Ndinogadzira 2K polyurethane namira yehuni. PF-040 inobatsira sei?
PF-040 (OH=450, f=3) inoshanda sechikamu chinobatanidza zvinhu, ichisimudzira kubatana uye kuramba kupisa; shandisa 10–30% yehuwandu hwepolyol.

Chidziviriro changu chefuro respray hachina kugadzikana zvakanaka. PF-040 inogona kuchigadzirisa here?
Ehe, mashandiro ayo epamusoro (3) uye mwero weMW zvinowedzera huwandu hwe crosslink, zvichideredza shrinkage; kushandiswa kwakajairika kubva pa5–15 phr.

Ndeipi mukana wePF-040 pane we standard diol mu structural adhesives?
Inopa simba rakawanda rekuchekwa uye inodzivisa kukambaira zviri nani nekuda kwechimiro chayo chemabasa matatu.

Ndinofanira kuderedza kusimba kweglue rakazara. PF-040 inogona kubatsira here?
PF-040 ine viscosity yakaderera (360 mPa·s), ichivandudza kunyorovesa kwefiller pasina kuderedza reactivity.

Chivharo changu chePU hachina simba regirini rakawanda. PF-040 ingashandiswa sei?
Tsiva 5–10% ye diol ne PF-040 kuti uwedzere simba rekutanga mushure mekupora.

PF-040 yakakodzera here maginamisi anonamira hunyoro hwechikamu chimwe chete?
Ehe, asi nekuti inoshanda katatu, inowedzera kubatanidza zvinhu; shandisa padanho rakaderera (2–5%) kudzivirira kubatanidza zvinhu zvakanyanya.

Ndeipi indekisi ye isocyanate yandinofanira kushandisa ne PF-040?
Kune zvinonamatira, nyorai 105–110 kuti muve nechokwadi chekuti mapoka ese eOH anosangana zvizere.

Chinonamira changu chinopera simba kana tembiricha yakakwira (80°C). PF-040 inogona here kugadzirisa kusapisa?
Ehe, chimiro che "trifunctional structure" chinokwidza tembiricha yekuchinja kwegirazi; tsiva 20% ye diol nePF-040.

Ko PF-040 ine zvayakanakira here panguva yekuvhurwa kwemitambo?
Inopfupisa nguva yekuvhura zvishoma nekuda kwekuita kwayo zvakanyanya; gadzirisa catalyst zvinoenderana.

Ko PF-040 inogona kushandiswa mu polyurethane grouts pakubaya crack?
Ehe, kusviba kwayo kwakaderera uye reactivity yakakwira zvinoita kuti ikodzere kushandiswa mumajekiseni ejekiseni; shandisa ne fast catalyst.

Ini ndinogadzira machira epurasitiki pasi asingatsvedzeri zvakanyanya. PF-450 inoshanda sei?
PF-450 (OH=380, MW=450, f=3) inopa mafirimu akasimba, akabatana zvakanaka uye anodzivirira kupfeka zvakanaka; kushandiswa kwakajairika 40–60 phr.

Chinhu changu chekugadzira chine simba shoma rekudzvanya. PF-450 inogona kuchigadzirisa here?
Ehe, chinja diol nePF-450 kuti uwedzere huwandu hwe crosslink; simba rinogona kuwedzera ne20–30%.

Ndeipi mukana wePF-450 pane PF-040 muzvipfeko?
MW yakakwira (450) inoita kuti pave nekuchinjika kuri nani uku ichiramba yakasimba; PF-040 inopfava zvakanyanya.

Ndinogadzira PU ine zvikamu zviviri yekunamatira simbi. Ndeupi mwero wePF-450 unokurudzirwa?
20–40% ye polyol yese; inoita kuti irambe ichinamira zvakanaka uye inodzivirira ngura.

Sisitimu yangu yepasi haina simba rakakwana rekudzivirira makemikari. PF-450 ingabatsira sei?
Kuwedzera kwekubatana kwePF-450 kunovandudza kusimba kwemakemikari kuzvinhu zvinonyungudutsa uye acids.

Ko PF-450 inoenderana here neMDI prepolymers?
Ehe, inoenderana zvakanyanya; kupisa kusvika 40°C kunogona kuderedza kusviba kwekusanganisa.

Chii chinoitika kana uchishandisa PF-450 ine amine catalyst yakajairika?
Pa25°C, nguva yekushanda kwehari imaminitsi 15-30 zvichienderana nehuwandu hwechikafu chinogadzirwa.

Kupfeka kwangu kwakasimba nekuda kwekusapora kwakakwana. PF-450 inogona kugadzirisa izvi here?
Kushanda kwayo kwepamusoro kunoita kuti pamusoro payo pave nekupora; ita shuwa kuti indekisi ye isocyanate iri ≥105.

Ko PF-450 inogona kushandiswa here mu polyurethane screeds dzepasi dzemaindasitiri?
Ehe, inoita kuti ifambe zvakanaka uye inokurumidza kukura nekuomarara; shandisa nemushonga wekubvisa mavanga.

Ko PF-450 inokonzera kutsvuka kwebvudzi here?
Usapfuure ma polyols e polyether akajairwa; shandisa aliphatic isocyanates kune masisitimu asina kutsvukira.

Ndinogadzira polyurethane elastomer castings ine kuoma kuri pakati nepakati (Shore 80A). PF-1050 yakakodzera here?
Ehe, PF-1050 (MW=1000, f=3) inopa kuenzana kwakanaka kwesimba uye kusimba; kushandiswa kwakajairika 30–70%.

Pendi yangu yepasi inopfava zvakanyanya kana kuchitonhora. PF-1050 ingavandudza sei kuchinjika kwayo?
Tsiva chikamu chepolyol pfupi (semuenzaniso, PF-450) nePF-1050 kuderedza Tg uye kuwedzera kuchinjika kwekupisa kwakaderera.

Simba rekudhonza rinogadzirwa nePF-1050 rinowanzoita sei?
Nekushandisa MDI uye stoichiometry yakakodzera, simba rekudhonza re5–8 MPa rinogona kuwanikwa.

Kuumbwa kwangu kwesimbi kune mabubble emhepo. PF-1050 ine mhepo inobuda zvakanaka here?
Kusviba kwayo kuri pakati nepakati (250 mPa·s) kunoita kuti mhepo ibude zvakanaka; kubvisa gasi ne vacuum kunokurudzirwa.

Ko PF-1050 inogona kushandiswa mu polyurethane sealants pakuvaka majoini here?
Ehe, inopa kureba kwakanaka (300–500%) uye kupora; shandisa ne diol chain extender.

Ndeipi mukana wePF-1050 kupfuura diol yeMW yakafanana?
Kushanda kwepamusoro kunoita kuti pave nesimba riri nani kubvaruka uye kudzivirira kupisa.

Kupenda kwangu hakuna simba rekudzivirira kukuvadzwa. Ndingavandudza sei nePF-1050?
Wedzera chiyero chePF-1050 kusvika 60–80% yehuwandu hwepolyol; zvikamu zvinochinjika kwenguva refu zvinotora simba.

Ko PF-1050 yakakodzera here kushandisa polyurethane potting compounds yemagetsi?
Ehe, kusviba kwayo kwakaderera uye hunhu hwakanaka hwemagetsi hwekudzivirira hunoita kuti ive yakakodzera.

PF-1050 inoenzaniswa sei neVoranol CP 1050?
Kutsiva zvakananga; zvakafanana.

Chinonamira changu chinopera kana paine hunyoro. PF-1050 ingabatsira here?
Kwete zvakananga; shandisa chinhu chinobvisa hunyoro kana kuwedzera indekisi ye isocyanate.

Ndinogadzira polyurethane sealant yakasimba uye yakareba zvakanaka. Sei uchifanira kusarudza PF-2080?
PF-2080 (MW=8000, f=2) inopa modulus yakaderera, kureba kwakanyanya (>600%), uye kupora kwakanaka kwazvo.

Chinonamira changu chine zvikamu zviviri chekubatanidza chinochinjika hachina simba rakawanda rekubvisa maganda. PF-2080 inogona kuchigadzirisa here?
Ehe, cheni dzayo refu dzinochinjika dzinowedzera simba remaganda; shandisa 30–50% yepolyol yese.

Chii chinonzi viscosity yakajairika yePF-2080 (3000 mPa·s). Ungaibata sei?
Pisa kusvika pa40–50°C kuderedza kusviba kuti zvive nyore kusanganisa.

Chikamu changu che elastomer hachina simba rekudzivirira kubvaruka. PF-2080 ingabatsira here?
Se diol, haizowedzera simba rekubvaruka zvakanyanya; pamwe chete ne polyol ine mabasa matatu.

Ko PF-2080 yakakodzera here kushandisa zvivharo zvinodzivirira hunyoro zvechikamu chimwe chete?
Ehe, huwandu hwayo hweMW yakakwira uye huwandu hwayo hweOH hwakaderera (14) zvinopa kugadzikana kwakanaka pasherufu uye kudzikira kwakaderera.

Chisimbiso changu hachina kunamira zvakanaka pakongiri. PF-2080 inogona kuchigadzirisa here?
Kwete zvakananga; shandisa chinhu chinosimudzira kunamira kwe silane. PF-2080 inopa kuchinjika kukuru.

Chii chinonzi chain extender ine PF-2080 inokurudzirwa pakugadzira elastomer?
1,4-Butanediol kana MOCA; chiyero chakajairika NCO/OH = 1.05.

Chinonamira changu chine kunyura kwakawanda pasi pekuremerwa. Ndingachigadzirisa sei?
Sanganisa PF-2080 ne polyol ine mashandiro akakwira sePF-450 (80/20 ratio).

Ko PF-2080 inogona kushandiswa here mumaglues e polyurethane anonyunguduka (HMPUR)?
Ehe, hunhu hwayo hwakati simbei kana tembiricha yemumba inobatsira kusimbisa simba rayo regirini.

Ko PF-2080 inogomera here kana tembiricha yakaderera?
Kwete, ipolyether isina chimiro; inoramba iri mvura asi yakakora.

Ndinoda chivharo chakapfava, chine modulus shoma chekuwedzera majoini. PF-2120 yakanaka here?
Ehe, PF-2120 (MW=12000, OH=9.5) inopa modulus yakaderera zvikuru uye kureba kwakanyanya (>800%).

Elastomer yangu yepolyurethane haina kuchinjika kwakanyanya pakupisa kwakaderera. PF-2120 ingabatsira sei?
Maketani ayo marefu uye anochinjika anoderedza Tg kusvika pasi pe -60°C, zvakanaka kwazvo kushandiswa mumamiriro ekunze anotonhora.

Musiyano uripo pakati pePF-2080 nePF-2120 ndeupi?
PF-2120 ine MW yakakwira uye OH yakadzikira, zvichipa hunhu hwakapfava uye hunopfava.

Chinonamira changu chine zvikamu zviviri chekubatanidza rabha chinoda simba rakawanda rekubvisa mavanga. PF-2120 yakakodzera here?
Ehe, asi sanganisa nechikamu chidiki che crosslinker kuti urambe wakabatana.

Ndingawana sei kuomarara kwegungwa kwe40–50 mu elastomer yekukanda?
Shandisa PF-2120 se polyol huru (80%) ine diol chain extender uye MDI.

Ko PF-2120 inogona kushandiswa muchinhu chimwe chete chine silane termination here?
Ehe, inoenderana ne silane-terminated polyurethanes (SPUR).

Chivharo changu hachina kupora zvakanaka mushure mekudzvanywa. Ndingavandudza sei?
Wedzera 5–10% ye polyol ine mabasa matatu yakaita sePF-1050 kuti uise crosslinking diki.

PF-2120 inogara kwenguva yakareba sei mudhiramu rakavharwa?
Mwedzi gumi nemiviri kana yakachengetwa yakaoma uye isina nitrogen.

Ko PF-2120 inoda kubatwa kwakakosha here nekuda kwekusimba kwayo kwakanyanya?
Ehe, pisai kusvika 50–60°C kuti mupombe; imvura yakakora kwazvo.

Ko PF-2120 inoenderana here nepurasitiki yakaita seDINP?
Ehe, asi kuenderana kwayo kunofanira kuyedzwa; kazhinji inoshandiswa isina plasticizer nekuda kwekusashanda zvakanaka kwemodulus.

Ndinogadzira furo rinochinjika reslabstock rine density shoma (14 kg/m³). PF-3500 inobatsira sei?
PF-3500 (OH=35, f=3, EO/PO) inoshanda senzira yekuvhura masero, ichidzivirira kupwanyika kwefuro uye inovandudza kufema.

Furo rangu re viscoelastic (memory) rinononoka kupora. PF-3500 inogona here kugadzirisa nguva yekupora?
Ehe, kuwedzera 3–8 phr PF-3500 kunoderedza nguva yekupora (kunoita kuti furo rirege kunonoka kupora) nekuvhura masero.

Basa rePF-3500 mu hypersoft foam nderei?
Inonyorovesa furo uye inowedzera kufamba kwemhepo, ichibvisa masero akaomarara.

Furo rangu rinodzikira zvakanyanya mushure mekubviswa kwefuro. Ndingawedzera PF-3500 yakawanda sei?
2–5 phr (zvichibva pa polyol yakazara) inowanzo gadzirisa shrinkage pasina kukanganisa kuomarara zvakanyanya.

Ko PF-3500 inogona kushandiswa here muforomu ine simba rekudzivirira (HR)?
Ehe, semushonga wekuvhura masero kuti uvandudze kufema uye kuderedza zvikanganiso zvepadenga.

Ko PF-3500 inoenderana here neTDI neMDI systems?
Ehe, inoshanda zvakanaka mune ese ari maviri, asi kunyanya muTDI-based flexible foams.

Mushonga wangu wefuro hauna kugadzikana zvakanaka panguva yekukwira. PF-3500 ichaita kuti zvinhu zvinyanye kuipa here?
Kuwanda (>10 phr) kunogona kukonzera kudonha; shandisa 3-5 phr kuti masero avhurike zvakanaka pasina kukanganisa kugadzikana.

Ko PF-3500 inokanganisa kuomarara kwefuro here?
Ehe, inoderedza kuomarara zvishoma nekuda kwemasero akawanda akavhurika; inotsiva ne index yakakwira ye isocyanate.

Ndeipi mukana wePF-3500 pane ma "openers" emasero akajairwa akaita sepolybutadiene?
Inorwisa zvachose uye haifambi kana kukonzera kutumbuka pamusoro.

Ko PF-3500 inogona kushandiswa mufuro rakaumbwa here pazvigaro zvemotokari?
Ehe, zvinovandudza nyaradzo uye zvinoderedza kudiwa kwekupwanywa nemechanical.

Ndinogadzira modified MDI (liquid MDI) ye prepolymers. PF-010 inobatsira sei?
PF-010 (OH=22, f=3, MW=8000) inodyidzana neMDI kuti igadzire mvura yakagadzikana, isina kusimba zvakanyanya MDI ine hupenyu hwakareba.

Pepa rangu repurasitiki rinonyungudika mumvura harina kuzvimba zvakanaka. PF-010 inogona kurigadzirisa here?
Ehe, chimiro chayo chakapfuma muEO chinowedzera kushanduka kwemvura; shandisa 20–50% yehuwandu hwepolyol.

Chii chinowanzo shandiswa pakugadzira prepolymer yakagadzirwa nePF-010?
8–12% NCO ye elastomers; gadzirisa zvichienderana nekuomarara kwaunoda.

Ndinoda polyurethane inonyungudika mumvura yekuputira machira. PF-010 yakakodzera here?
Ehe, zvikamu zvayo zveEO zvinofarira hydrophilic zvinobvumira kuzvigadzira mumvura.

Mushonga wangu wehydrogel unoda kunyudzwa mvura yakawanda. PF-010 ingashandiswa sei?
Se crosslinker (f=3) ine PEG diols kugadzira network inokwidibira.

Ko PF-010 inogona kushandiswa mu polyurethane sealants kunatsiridza kunamira panzvimbo dzakanyorova here?
Ehe, kupfava kwayo kunobatsira kubvisa hunyoro pamusoro, zvichivandudza kunamira kwayo.

Ndeipi mukana wePF-010 pane Voranol IP 010?
Kutsiva zvakananga; mashandiro akafanana.

Prepolymer yangu ine viscosity yakanyanya. Ndingaideredza sei?
Shandisa PF-010 yoga kana kusanganisa ne diol ine viscosity yakaderera; pisa kusvika 60°C.

Ko PF-010 inokonzera hydrolysis mu polyurethane here?
Mapolyol ane EO-rich anogona kukwezva mvura; ona kuti yakaoma zvakanaka uye shandisa ma isocyanates akasimba mumvura.

Ko PF-010 yakakodzera here kushandisa furo repolyurethane rinonyudza mvura yakawanda (semuenzaniso, remasiponji)?
Ehe, asi sanganisa ne crosslinker inoshanda zvakanyanya kuti uchengetedze chimiro.

Ini ndinogadzira shangu dzepolyurethane dzisina simba rakawanda kubvaruka. PF-2802 ingabatsira sei?
PF-2802 idiol ine simba rekuita basa (OH=28, MW=4000, EO/PO) inowedzera simba rekubvaruka nekuvandudza kupatsanurwa kwechikamu; shandisa 30–50%.

Zvinorevei kuti "high reactive" paPF-2802?
Ine maEO end caps, zvichiita mapoka ekutanga ehydroxyl (~80%), ayo anoita nekukurumidza nemaisocyanates.

Sisitimu yangu yetsoka ine nguva yakareba yekushanda (maminitsi mashanu). PF-2802 inogona kuipfupisa here?
Ehe, kushanda kwayo zvakanyanya kunoderedza nguva yekushanda kusvika pamaminitsi maviri kusvika matatu pa50°C.

Ko PF-2802 inoenderana here neMDI neTDI shoe sole systems?
Inoshanda zvakanyanya neMDI; inopa simba rakanaka rekudzivirira kukweshwa.

Chii chinonzi chain extender chinokurudzirwa nePF-2802?
1,4-Butanediol kana ethylene glycol; typical NCO/OH = 1.02–1.05.

Chikamu changu che elastomer hachina simba rekusimba. PF-2802 inogona kuchigadzirisa here?
Ehe, huremu hwayo hwakawanda hwemamorekuru uye OH huru inowedzera kuenderana kwechikamu chakasimba, zvichiwedzera simba rekudhonza kusvika 30–40 MPa.

PF-2802 inoenzaniswa sei neVoranol EP 1900?
Kutsiva zvakananga; hunhu hwakafanana.

Ko PF-2802 inogona kushandiswa mu polyurethane sealants kuti ikwanise kupora nekukurumidza here?
Ehe, asi zvinogona kupfupisa nguva yekuvhura; shandisa nechinhu chinokonzeresa chakavanzika.

Chinonamira changu chinoda kunamira kwakakwirira pakutanga (simba regirini). Ko PF-2802 ichabatsira here?
Ehe, nekuda kwekukurumidza kuita ne isocyanate, simba regirini rinoungana mukati memaminitsi.

Ko PF-2802 inoda nzvimbo yekuchengetera zvinhu yakakosha here?
Kwete, asi chengetai yakaoma (pasi pe0.05% yemvura) kudzivirira matambudziko.

Ndinogadzira zvinhu zvakasanganiswa (semuenzaniso, fiberglass reinforced polyurethane). Sei uchifanira kusarudza Y-950?
Y-950 (OH=950, MW=180, f=3) inopa huwandu hwakawanda hwe crosslink, zvichipa simba remakanika uye kudzivirira kupisa.

Chinhu chandinoisa muchina wemagetsi wekudzivirira kupisa hachina simba rakawanda. Y-950 ingachigadzirisa sei?
Shandisa Y-950 se polyol huru (60–80%); simba rekuchinjika rinogona kudarika 100 MPa.

Chii chinonzi viscosity yakajairika yeY-950 (6750 mPa·s)? Maitiro ekugadzirisa?
Pisa kusvika 50–60°C; inonamira zvakanyanya asi inokosha kune zvikamu zvakasimba.

Y-950 yakakodzera here mishonga ye polyurethane inoda kuomarara kwakanyanya (Shore D >80)?
Ehe, sanganisa neMDI uye ma short diol chain extenders.

Chikamu changu chakasanganiswa chine tembiricha isina kunaka yekuchinja kupisa (HDT). Y-950 inogona kuisimudza here?
Ehe, HDT inogona kusvika 150°C kana yakagadzirwa zvakanaka.

Y-950 inokonzera kuputsika here?
Inowedzera simba pamwe nekuomarara; sanganisa ne flexible diol kuti irambe yakasimba.

Ko Y-950 inogona kushandiswa mumanamathe e polyurethane pakubatanidza simbi nesimbi?
Ehe, inopa simba guru rekuchekerera makumbo (>20 MPa).

Ndeipi indekisi ye isocyanate inokurudzirwa yeY-950?
105–110 kuti ive nechokwadi chekuti ganda rinopora zvakakwana; high index inowedzera kubatana kwemasero.

Y-950 inoenderana here nema epoxy resins ema hybrid systems?
Zvishoma; kupatsanurwa kwechikamu kunogona kuitika. Edza kuenderana kwekutanga.

Maitiro angu ekuumba poto anoda kugara kwenguva refu. Ndingazviita sei neY-950?
Shandisa chinhu chinokonzeresa kunonoka uye chengetedza tembiricha yakasanganiswa yakaderera (20–25°C).

Ndinoda polyol yekuisa polyurethane yakasimba ine viscosity iri pakati nepakati. PF-3075 isarudzo yakanaka here?
PF-3075 (OH=750, MW=220, f=3) inopa kubatanidza kwakakwirira, viscosity yakaderera pane Y-950 (5750 vs 6750), zviri nyore kugadzirisa.

Chinonamira changu chemukati chinokundikana kana charohwa. PF-3075 inogona here kugadzirisa kusasimba kwechinhu chacho?
Ehe, musana wayo we trimethylolpropane unopa kusimba; musanganiswa we 50/50 ne diol inochinjika.

Ndeipi mhando yekuomarara yakajairika inogoneka kuwanikwa nePF-3075?
Shore D 70–85 zvichienderana ne isocyanate uye chain extender.

Kupfeka kwangu kunoda kuramba kunyungudutsa zvakanyanya. PF-3075 ingashandiswa sei?
Tsiva 20–30% yepolyol huru nePF-3075 kuti uwedzere huwandu hwe crosslink.

Ko PF-3075 yakakodzera here kugadzira potting ye polyurethane yemagetsi?
Ehe, inopa conductivity yakanaka yekupisa uye shrinkage yakaderera.

PF-3075 inoenzaniswa sei nePF-450?
PF-3075 ine OH yakakwira (750 vs 380) uye MW yakaderera, zvichiita kuti zvigadzirwa zvakaoma uye zvisanyanya kuputsika.

Zvinhu zvangu zvakasanganiswa zvinoda kugadziriswa nekukurumidza. PF-3075 inogona here kukurumidza kupora?
Ehe, huwandu hwayo hweOH hwakawanda hunowedzera reactivity; nguva yekudzima inogona kuva maminetsi gumi kusvika gumi nemashanu pa80°C.

Ndeipi chain extender inoshanda zvakanyanya nePF-3075?
Madiol mapfupi akadai se1,4-BDO kana EDO; dzivisa ma extenders echeni refu.

Ko PF-3075 inokonzera matambudziko exotherm mukugadzira ma "castings" makuru here?
Ehe, yakakwira zvikuru; shandisa kuwedzera zvishoma nezvishoma kana kusanganisa nematanho akawanda.

Ko PF-3075 inogona kushandiswa here mu polyurethane laminating glues?
Ehe, kune ma laminates akaomarara (semuenzaniso, ma sandwich panels e aluminium-foam).

Ndinogadzira furo repamusoro-soro rematiresi. PF-628 inovandudza sei kugadzikana?
PF-628 (OH=28, f=6, MW=12000) inopa simba repamusoro (70–80%) uye rutsigiro rwakanaka kwazvo.

Furo rangu rePU rakaita selatex harina "kusvetuka" kwelatex yechisikigo. PF-628 ingabatsira here?
Ehe, mashandiro ayo epamusoro uye MW yakakwira zvinogadzira network inonamira zvakanyanya, ichitevedzera kunzwa kwe latex.

Ndeipi nhanho yekushandiswa kwePF-628 muHR foam?
10–30% ye polyol yese; kuwanda kwayo kunogona kukonzera kudonha kwefuro nekuda kwekusimba kwakanyanya.

Furo rangu harina kugara kwenguva refu (kurasikirwa nekukwirira mushure mekudzvanywa kakawanda). PF-628 ingarigadzirisa sei?
Maumbirwo ayo ane mabasa matanhatu anowedzera kusimba uye anoderedza kumanikidzwa kunogara kwenguva refu.

Ko PF-628 inoenderana here nezvinowedzera zveHR foam (semuenzaniso, DEOA, silicone)?
Ehe, inoenderana zvizere; pisa kusvika pa30°C kuti zvive nyore kusanganisa.

Ndeipi mukana wePF-628 kupfuura polyol ine mabasa matatu yeMW yakafanana?
Kushanda kwepamusoro kunoita kuti zvinhu zvikwanise kutakura mutoro zviri nani uye kuti zvidzoke.

Furo rangu rinokundikana bvunzo yebhora (zvinodiwa >65%). PF-628 inogona kuwana 70% here?
Ehe, pa 20–30 phr, rebound inogona kusvika 70–75%.

Ko PF-628 inowedzera huwandu hwefuro here?
Kwete, asi zvingada mvura yakawanda kana chinhu chinofefetera kuti zvirambe zvakakora nekuda kwekusviba kwakanyanya.

Ko PF-628 inogona kushandiswa mufuro rakaumbwa here kuti rigare mumotokari?
Ehe, zvinovandudza nyaradzo yekufamba uye zvinoderedza kuneta.

Nguva yekushanda kwePF-628 ndeyei?
Yakagara mwedzi mitanhatu mudhiramu rakavharwa; yakakora asi yakasimba.

Ndinogadzira furo re polyurethane rakasimba rekudzivirira kupisa kwepombi uye ndinoda polyol inokurumidza kushanda. Sei PF-800?
PF-800 (OH=800, f=4, ine aromatic amine-based) inokonzeresa otomatiki, ichideredza kudiwa kweamine catalysts dzakasimba.

Chinonamira changu chezviumbwa zvemukati chinoda simba regirini nekukurumidza. PF-800 ingabatsira sei?
Inoshanda zvakanyanya uye inochinja-chinja otomatiki inoita kuti ikwanise kupora patembiricha yemumba mumaminitsi mashoma.

Zvinorevei "AFFA" muPF-800?
Polyol ine amine inonhuhwirira (semuenzaniso, TDA kana MDA yakatanga), ichipa basa rekugadzira zvinhu zvitsva.

Furo rangu rakaomarara harina kunamira zvakanaka pasimbi. PF-800 inogona kugadzirisa kunamira here?
Ehe, mapoka eamine anonhuhwirira anowedzera kunyorova pamusoro uye kubatana kwemakemikari.

Ndeipi indekisi ye isocyanate yePF-800 mu furo rakasimba?
120–150 yePUR; 250–350 yePIR.

Ko PF-800 inokonzera kuchinja kweruvara mufuro here?
Mafuta anonhuhwirira e-amine polyols anogona kukonzera yero; hazvikurudzirwi kune furo rine ruvara rwakareruka.

Sisitimu yangu yekukanda zvinhu zvemagetsi inoda mvura shoma. PF-800 yakakodzera here?
Ehe, musana wayo wakasimba unoderedza kudhonzwa kwemvura zvichienzaniswa ne polyether diols.

Ko PF-800 inogona kushandiswa mu spray furo padenga here?
Ehe, kukurumidza kwayo kunoderedza kutsvedza panzvimbo dzakamira.

Kusimba kwePF-800 (17000 mPa·s) chii? Kubata sei?
Pisa kusvika 60°C; shandisa magiya pombi.

Ko PF-800 inoenderana here nemishonga inoputira pentane?
Ehe, asi nekuda kwe polarity yakakwira, zvingada co-solvent senge surfactant.

Ndinogadzira mapaneru ePIR laminate anoenderera mberi ekudzivirira zvivakwa. PF-1380 yakakodzera here?
PF-1380 (yakagadzirwa ne sucrose, OH=280, f=7, MW=1380) inopa kunonoka kwemurazvo kwakanaka uye kugadzikana kwezvikamu.

Furo rangu remvura rinopfapfaidza rakasimba rekudzivirira mapaipi harina chimiro chakanaka chemasero. PF-1380 ingarivandudza sei?
Kushanda kwayo kwepamusoro (7) kunoita kuti masero avharwe zvakanaka, zvichideredza kupisa.

Ndeipi mukana wePF-1380 kupfuura polyol yakagadzirwa neglycerol iri mufuro rakasimba?
Kuwanda kwe crosslink kunoita kuti pave nekusapisa kwakanyanya uye kusaita chando zvakanyanya.

Foam panel yangu haina simba rekudzvanya. PF-1380 inogona kuiwedzera here?
Ehe, tsiva 30–50% ye polyol ine mashandiro akaderera; simba rekudzvanya rinogona kupetwa kaviri.

Ko PF-1380 inoenderana here nezvinhu zvinoputira hydrocarbon (cyclopentane)?
Ehe, asi nekuda kwekusviba kwakanyanya, sanganisa ne surfactant.

Mvura yePF-1380 (≤0.15%) yakawanda sei? Inokanganisa sei furo?
Mvura inosangana ne isocyanate kuti ibudise CO₂; chengetedza CO₂ pasi pe 0.15% kudzivirira kusiyana kwehuwandu hwezvinhu.

Furo rangu rekupfapfaidza harina kunamira zvakanaka pasimbi. PF-1380 ingabatsira here?
Kuwanda kwayo kwehydroxyl kunovandudza kunyorova; shandisa silane adhesion promoter kuti uwane mhedzisiro yakanaka.

Ko PF-1380 inokonzera exotherm yakakwira muzvikamu zvakakora here?
Ehe, nekuda kwekuita kwayo zvakanyanya; inoshandiswa muma laminates matete kana nema catalysts asina simba.

PF-1380 inogona kushandiswa here mukuisa mufiriji panzvimbo yekudira?
Ehe, inopa kuyerera kwakanaka uye k-factor yakaderera.

PF-1380 inoenzaniswa sei neVoranol 280?
Kutsiva zvakananga; zvakafanana.

Ndinoda furo rakasimba rinoita basa repamusoro uye rinodzivirira moto zvakanaka (Kirasi B1). Sei ndichifanira kushandisa PF-585?
PF-585 (novolac polyol) ine musana unonhuhwirira unoumbwa panguva yemoto, zvichideredza kupararira kwemurazvo.

Panel yangu yePIR inoenderera mberi ine hutsi hwakanyanya. PF-585 inogona kuderedza utsi here?
Ehe, novolac polyols inoderedza zvakanyanya kugadzirwa kweutsi zvichienzaniswa ne sucrose polyols.

Chii chinonzi viscosity yakajairika (12000 mPa·s) yePF-585. Nzira yekugadzirisa sei?
Pisa kusvika 60–70°C; shandisa misoro yekusanganisa inopisa.

Ko PF-585 inoenderana here nema catalysts akajairwa e trimerization (K15, K2097)?
Ehe, asi gadzirisa huwandu hwe catalyst hwakakwira nekuda kwe acidity ye novolac.

Furo rangu harina kugadzikana zvakanaka mushure mekuchembera kwekupisa (70°C). PF-585 inogona kurigadzirisa here?
Ehe, kunhuhwirira kwayo kwakanyanya kunoita kuti irambe ichipisa kusvika pa180°C.

Ndeipi indekisi ye isocyanate inokurudzirwa yePF-585 muPIR foam?
300–400; chiyero chepamusoro chinowedzera mashandiro emoto.

Ko PF-585 inokonzera ngura pazviso zvesimbi here?
Kwete, kana yakagadzirwa zvakanaka; huwandu hweasidhi yasara hushoma.

Furo rangu rekupfapfaidza rinoshandiswa mumvura rinoda mvura shoma. PF-585 yakakodzera here?
Ehe, chimiro chayo chekunhuhwirira chinonyungudutsa mvura chinoderedza kunwa kwemvura.

Ko PF-585 inogona kusanganiswa ne sucrose polyols here?
Ehe, kuenzanisa mutengo nekushanda; semuenzaniso, 50/50 nePF-1380.

Nguva yekushanda kwePF-585 ndeyei?
Mwedzi mitanhatu kana ikachengetwa yakaoma; novolac polyols inonzwa hunyoro.

Ndinoda polyol inonyungudutsa mvura ye polyurethane hydrogels. Sei uchifanira kusarudza PEG1000?
PEG1000 inonyungudika zvakanaka mumvura uye inobvumira kunyungudika kwemvura kusvika 500%; yakakodzera pakusunga maronda.

Mushonga wangu wekudzivirira kupararira kwemasero eganda unoda mushonga unobvisa huturu. PEG1000 ingabatsira here?
Ehe, PEG1000 inokwezva hunyoro, ichideredza kuungana kwemvura; shandisa 1–5% mukugeza kwekupedzisa.

Ndeupi musiyano uripo pakati pePEG1000 nePEG2000 muzvinhu zvinoburitsa rabha?
PEG1000 imvura, iri nyore kupfapfaidza; PEG2000 yakasimba, inoshandiswa muzvinhu zvinopisa zvakanyunguduka.

Kupararira kwangu kwepolyurethane (PUD) kunoda chikamu chisiri cheionic hydrophilic. Ungashandisa sei PEG1000?
Isa PEG1000 sechikamu chakapfava (10–20%) kuti uwedzere kupararira mumvura.

PEG1000 inogona kushandiswa semafuta ekushandisa muzvinwiwa zvesimbi here?
Ehe, inopa mafuta ekuzora uye kutonhodza pasina kusiya zvasara.

Chinonamira changu chemapepa chinoda kuramba hunyoro. PEG1000 yakakodzera here?
Kwete, inonyungudutsa mumvura; shandisa polyol inonyungudutsa mumvura panzvimbo payo.

Chii chinonzi K⁺ content (≤5 ppm) muPEG1000?
Potassium shoma inokosha pakushandiswa kwemagetsi; MOFAN PEG inosangana neizvi.

Ko PEG1000 inokonzera yero mu polyurethane elastomers here?
Kwete, inogara yakagadzikana mumamiriro ezvinhu akajairwa, asi dzivisa kupisa kwakanyanya (>150°C) kwenguva refu.

Mushonga wangu wekuzora unoda muchina unonyungudutsa. PEG1000 inogona kushandiswa here?
Ehe, haina kunyorova uye haitsamwisi, inoshandiswa mumakirimu nemafuta ekuzora.

PEG1000 yakakodzera here kushandiswa pakubata chikafu zvisina kunanga?
Ehe, mamakisi anoenderana neFDA anowanikwa; tarisa mitemo chaiyo.

Ndinogadzira manamatiro epolyurethane akasimba ekugadzira shangu. Sei ndichifanira kushandisa PEG2000?
PEG2000 yakasimba patembiricha yemumba, inopa simba regirini nekukurumidza uye kunyunguduka kwakaderera (60–80°C).

Mushonga wangu wekuisa saizi yemachira unoda kuchinjika kwakanaka kwefirimu uye kunyungudika kwemvura. PEG2000 inoshanda sei?
Inogadzira mafirimu anochinjika, anonyungudika mumvura; kazhinji inoshandiswa 5–10% muhukuru.

Ndeipi mukana wekuti PEG2000 ipfuure PEG1000 pakuburitsa rabha mold?
PEG2000 yakasimba inogona kushandiswa sekunyunguduka kunopisa kana kunyungudutswa mumvura; inoita kuti firimu rive gobvu uye rakasimba.

Furo rangu repolyurethane remasiponji rinoda kunyudzwa mvura yakawanda. PEG2000 inogona kuva chikamu chayo here?
Ehe, sanganisa ne diisocyanate prepolymer kuti ugadzire furo rinogoneka kuwedzera simba.

Ko PEG2000 yakakodzera here kushandiswa kwezvizoro zvemishonga?
Ehe, inoshandiswa senzvimbo inonyungudika mumvura yekuisa mafuta emudumbu.

Musanganiswa wangu wekongiri unoda muchina wekuderedza mvura. PEG2000 inoshanda here?
Kwete zvakananga; PEG inoshandiswa senzira yekuderedza shrinkage, kwete superplasticizer.

Chii chinonzi PEG2000 inonyunguduka?
Inenge 50–54°C; inonyorova isati yanyunguduka.

PEG2000 inogona kushandiswa sechinhu chinochinja-chinja (PCM) here chekuchengetedza kupisa?
Ehe, simba rayo rekunyungudutsa mvura rinosvika ~170 J/g; rakanaka pakuchengetera mvura mutembiricha yakaderera.

Chigadziko changu chesimbi chinoda zvinhu zvinodzivirira kupisa. PEG2000 yakakodzera here?
Ehe, inotsva zvakanaka pa300–400°C, isingasiyi dota.

Ko PEG2000 inonwisa hunyoro kubva mumhepo here?
Ehe, inopenya zvakanaka; chengeta mumidziyo yakavharwa.

Ndinoda PEG ine granular kuti zvive nyore kusanganisa nepowder coating. PEG3000 yakakodzera here?
Ehe, magranule ePEG3000 anogona kusanganiswa nemafuta akaoma; anoshandiswa semafuta anobatsira pakuyerera kwemvura.

Rudzi rwangu rwerabha runoda rubatsiro rwekugadzirisa kuti ruderedze kunamira. Ndingashandisa sei PEG3000?
Wedzera 1–3 phr panguva yekusanganisa; inotama ichienda pamusoro uye inoshanda semushonga unodzivirira kubatwa.

Chii chinonzi hydroxyl chakajairika chePEG3000?
32–35 mgKOH/g; inobatsira pakupenda polyurethane ine crosslink yakaderera.

Kupenda kwangu kwepepa kunoda kupenya kwakawedzerwa. PEG3000 ingabatsira here?
Ehe, senzira yekuyera; shandisa 0.5–2% zvichibva pane zvese zvakasimba.

PEG3000 yakakodzera here kugadzira ma elastomer ane huremu hwakawanda hwemamorekuru epolyurethane?
Ehe, asi sechikamu chakapfava chete; shandisa ne diisocyanate uye chain extender.

Mvura yangu yesimbi inoda chinhu chisiri cheionic surfactant. PEG3000 inoshanda here?
Ine basa shoma pamusoro; zviri nani kushandisa maPEG esters (semuenzaniso, PEG3000 dioleate).

Chii chinonzi quantity yemvura (≤0.15%)? Ungaiona sei?
MOFAN PEG ine mvura inosvika 0.15%; chengeta munzvimbo dzakaoma.

PEG3000 inogona kushandiswa here mu 3D printing filaments (se plasticizer)?
Ehe, asi inonyorova mumvura; inogona kukonzera matambudziko ekutorwa kwehunyoro.

Chinonamira changu chemidziyo ine maburi chinoda kupinda mukati memvura yakadzika. PEG3000 yakanyanya kukora here?
Pisa kusvika 60°C kuderedza kusviba kuti mvura ipinde zvakanaka.

Ko PEG3000 inoora here?
Ehe, inogona kuora nyore nyore.

Ndinogadzira machira ekudzivirira kupisa anofanirwa kugara kwenguva refu. Sei ndichifanira kushandisa PEG6000?
Huremu hwakawanda hwemamorekuru hunoita kuti firimu rigare kwenguva refu uye kufamba kwacho kushoma; shandisa 2–5%.

Chinhu changu chinoburitsa rabha chinoda PEG ine huremu hwakawanda kuti igadzire firimu rakasimba. PEG6000 yakakodzera here?
Ehe, inopa mukana wakanaka wekuburitsa latex nefoam rabha; shandisa semvura.

Ndeipi mukana wePEG6000 pane PEG3000 muzvinodzivirira ngura yesimbi?
PEG6000 inoumba firimu rakakora rinodzivirira, rinogara kwenguva yakareba mumamiriro ekunze ane hunyoro.

Chinowedzerwa papepa ne pulp yangu chinofanira kuwedzera simba remvura. PEG6000 inogona kubatsira here?
Kwete zvakananga; inoshandiswa sechinobvisa ingi kana sechinozora chinodzivirira kuputirwa kwesimbi.

PEG6000 yakakodzera here ma electrolyte e polymer akasimba mumabhatiri?
Ehe, inogona kuomarara nemunyu we lithium kuti ioni ienderane nemhepo.

Chinhu chandinoshandisa pakukuya mabrasives ndechekuderedza kukweshana. Ndingashandisa sei PEG6000?
Wedzera 0.5–2% semafuta panguva yekukuya.

PEG6000 inotaridzika sei?
Magranule machena; anonyunguduka kuita mvura yakajeka pamusoro pe60°C.

Musanganiswa wangu wepolyurethane potting unoda kuderera zvishoma. PEG6000 inogona kuuderedza here?
Ehe, reactivity yayo yakaderera uye MW yakakwira inoderedza polymerization shrinkage.

Ko PEG6000 inokonzera kuti pamusoro payo pabukire rabha here?
Kana yakakwira (>3 phr), inogona kutumbuka; chengeta pasi pe2 phr.

Ko PEG6000 inotenderwa here kuti ishandiswe muzvinhu zvinobata chikafu?
Ehe, kana paine kutevedzera kwakakodzera mazinga echikafu.

Ndinoda PEG ine huremu hwakawanda hwemamorekuru yekubatanidza mapiritsi emishonga. PEG10000 yakakodzera here?
Ehe, inopa simba rakasimba rekusunga uye rinodzorwa; rinoshandiswa mumafomura ekuburitsa kwenguva refu.

Mafuta angu ekushandisa pakurapa anoshandisa mvura anoda kusviba kwakanyanya uye chepfu shoma. PEG10000 inoshanda sei?
Inopa mafuta akanaka kwazvo uye inoenderana nehupenyu hwemunhu; shandisa mhinduro dze10–20%.

Ndeipi mukana wePEG10000 pane PEG6000 mumafuta ekuzora?
Simba guru rekukora uye ganda rinonzwa rakatsetseka.

Chibatiso changu chepurasitiki chinoda simba regirini rakawanda. PEG10000 inogona kubatsira here?
Ehe, inopa purasitiki yakanaka uye inotsva zvakanaka.

PEG10000 yakakodzera here sechinhu chekuchinja chikamu chakasimba-chakasimba?
Ehe, pokunyunguduka ~64°C, kupisa kwekusanganiswa ~180 J/g.

Kupenda kwangu kwepepa kunoda chinhu chinotsvedza. Ndingashandisa sei PEG10000?
Isa semvura inonyunguduka inopisa kana kuti inopararira mumvura; 0.5–2% pahuremu hwekufukidza.

Hunhu hwehupfu hwePEG10000 chii?
Upfu huchena; hunowanzo ungana; chengeta panopisa pasi pe30°C.

Furo rangu repolyurethane rinoshandiswa pakurapa rinoda kuti risapise chepfu mumuviri. PEG10000 inogona kushandiswa here?
Ehe, imhando yeUSP/EP inowanikwa; inoshandiswa mumahydrogels.

PEG10000 inokonzera kutsamwa kweganda here?
Kwete, hazvikuvadzi uye hazvikonzere kurwara.

Mushonga wangu wekupukuta simbi unoda chinhu chinotakurisa mvura zvakanaka. PEG10000 yakakodzera here?
Ehe, asi tanga wanyunguduka mumvura inodziya.

Ndinoda PEG ine huremu hwepamusoro-soro kuti mushonga upihwe kwenguva refu. PEG20000 ndiyo sarudzo chaiyo here?
Ehe, PEG20000 inopa mwero wekunyungudika unononoka; yakakodzera kushandiswa kamwe chete pazuva.

Mushonga wangu wekuchenesa mvura unoda polymer yakakora kwazvo, isiri ionic. PEG20000 inoshanda sei?
Inowedzera viscosity yemvura pasina kudyidzana kweionic; shandisa 1–3% kuti ukobvu hwacho huwedzere.

Ndeipi mukana wePEG20000 mukuburitswa kwerubha mold?
Inogadzira firimu rakasimba, risingabatike rinogona kutsungirira kuumbwa kwakawanda.

Electrolyte yangu yakasimba yepolymer yebhatiri re lithium inoda simba rakawanda remuchina. PEG20000 inogona kushandiswa here?
Ehe, asi inopenya zvakanaka patembiricha yemumba; sanganisa neMW PEG shoma kana mapurasitiki.

Ko PEG20000 yakakodzera here semafuta ekugadzira simbi inokurumidza?
Ehe, inoshandiswa semvura inonyunguduka kana kuti inopisa; inopa simba rakanaka kwazvo remafirimu.

Kupedzisa kwangu machira kunoda kuti pave nechinhu chinodzivirira static zvachose. PEG20000 inogona here kuigadzira?
Mwero wayo weMW wakakwira unoderedza kufamba, zvichiita kuti pave nemigumisiro inogara kwenguva refu.

Chii chinonzi PEG20000 chinonyunguduka?
Inenge 66–68°C; yakakwirira kupfuura MW PEGs dziri pasi.

Kukanda kwangu slip ceramic kunoda binder inodzima zvishoma nezvishoma. PEG20000 yakakodzera here?
Ehe, kuora kwayo zvishoma nezvishoma kunobvumira kupisa kwakaringana pasina kutsemuka.

Ko PEG20000 inonwisa hunyoro hwakafanana neMW PEG dzakaderera here?
Zvishoma hygroscopic nekuda kwehuwandu hwakaderera hwemapoka ekupedzisira; zvichiri kuda kuchengetwa muvhu rakaoma.

Chinonamira changu chekurapa chinoda kutsigirwa kunonyungudika mumvura. PEG20000 inogona kushandiswa here?
Ehe, inogona kuiswa mumafirimu ekugadzira zvinonamira ganda zvechinguvana.