Polyurethane Catalyst: Gwaro Rakazara reMarudzi, Mashandiro uye Mashandisirwo
Chinhu chinobatsira kugadzira polyurethane chinhu chinokurumidza kugadzira makemikari. Vagadziri vanovimba nema catalysts kuderedza nguva yekushanda, kuvandudza kuenderana, uye kutonga zvinhu zvakaita sekuomarara uye kuchinjika. Musika wema polyurethane catalysts unoramba uchikura, nekufungidzira kuri kuratidza kuwedzera kuripo mukudiwa kwepasi rose uye kukosha. MOFAN inotungamira indasitiri nekupa mhinduro itsva uye kupa zvigadzirwa zvemhando yepamusoro kuvatengi pasi rese.
Zvinhu Zvinokosha Zvaunofanira Kuziva
- Zvinhu zvinokonzeresa polyurethanekukurumidzisa mashandiro emakemikari, zvichivandudza kushanda zvakanaka kwekugadzira uye kunaka kwechigadzirwa.
- Mhando dzakasiyana dzezvinhu zvinokonzeresa, zvakaita seamine nesimbi zvinokonzeresa, zvinopesvedzera hunhu hwefuro sehuremu nesimba.
- Kusarudza chinhu chinobatsira pakugadzira furo chakakodzera kwakakosha kuti uwane hunhu hwefuro hwaunoda uye kusangana nezvinodiwa nenharaunda.
- Zvinokonzeresa zvemhando yepamusoro zvinogona kuwedzera kushanda zvakanaka kwemabasa, zvichikonzera kuchengetedza mari uye kushanda zvakanaka mukugadzira.
- Nzira dzekusimudzira zvinhu dzinogara kwenguva refu dziri kumuka, dzichinyanya kutarisa pakuderedza kukanganisa kwezvakatipoteredza uye kutevedzera mitemo.
Chii Chinonzi Polyurethane Catalyst?
Tsanangudzo yeCatalyst
Polyurethane catalyst chinhu chinobatsira kukurumidzisa kusangana pakati peisocyanate nepolyol. Kuita uku kunoumba polyurethane, chinhu chinoshandiswa muzvigadzirwa zvakawanda zvakaita semafuro, machira, uye zvinonamatira. Mazhinji epolyurethane catalysts matertiary amines. Aya maamine anoita kuti diol component ive nyore kuita, izvo zvinobatsira kudzora maumbirwo epolyurethane.
- Zvinhu zvinokonzeresa polyurethane zvinogona kuiswa muzvikamu zveamine zvepakutanga uye zveacidic.
- Yepamusorozvinokonzeresa aminekuwedzera hunhu hwe diol, zvichiita kuti mhinduro ikurumidze uye ishande zvakanaka.
Vagadziri vanoshandisa polyurethane catalysts kutungamira maitiro emakemikari. Izvi zvinoita kuti chigadzirwa chekupedzisira chive nehunyanzvi hwakakodzera, hwakadai sekuchinjika kana kuomarara.
Zvinhu zvinogadzira simbi zvine polyurethane zvinoita basa guru mukuona kuti zvinoitika nekukurumidza uye zvakanaka. Dai zvisina izvozvo, maitiro acho angadai akanonoka uye asinganyanyi kufanotaurwa.
Basa mukugadzirwa kwePolyurethane
Basa rema "polyurethane catalysts" mukugadzirwa kwakakosha. Anoderedza simba rekuita kuti pave ne "reaction" pakati pe "isocyanates" ne "polyols". Izvi zvinoreva kuti "reaction" inoitika nekukurumidza uye patembiricha yakaderera. Ma "catalysts" anosangana ne "reactants", achigadzira "intermediate complexes" anoita kuti zvive nyore kuti "urethane bonds" iumbwe.
- Zvinhu zvinogadzira simbi zvinokurumidzisa kupindirana kwechinhu, zvichichengetedza nguva nesimba.
- Dzinobatsira kugadzira boka remusana reurethane, izvo zvinoita kuti pave nemapolymer akasimba, akabatana.
- MaCatalyst anokanganisa kuwedzera kwecheni uye kubatana kwecheni, izvo zvinokanganisa hunhu hwekupedzisira hwechinhu chacho.
Zvinokonzera simbiDzinoitawo basa. Dzinoshanda pamwe chete nemapoka e-isocyanate ne-hydroxyl, dzichishanda seLewis acids. Kubatana uku kunoita kuti isocyanate bond iparadzane, zvichiita kuti ive nyore kushanda uye kukurudzira kuumbwa kweurethane bond nekukurumidza.
Polyurethane catalyst inokosha pakugadzira furo. Iyo isocyanate-water reaction inogadzira carbamic acid, iyo inopwanyika kuita amine necarbon dioxide. Kabhoni dioxide inobatsira kugadzira chimiro chefuro. Maitiro echipiri, akadai se biuret ne allophanate linkages, anowedzera cross-linkages, zvichiita kuti chinhu chacho chive chakasimba.
Basa rema "polyurethane catalysts" nderekuona kuti maitiro acho anoshanda zvakanaka uye kuti chigadzirwa chacho chinosangana nezvinodiwa zvemhando yepamusoro. Vagadziri vanovimba nema "catalysts" aya kugadzira zvinhu zvinoshanda zvakanaka mukushandiswa kwakasiyana-siyana.
Mhando dzePolyurethane Catalysts
Zvishandiso zvepolyurethane zvinoita basa rakakosha mukugadzirwa kwezvinhu zvepolyurethane. Vagadziri vanosarudza kubva mumhando dzakasiyana dzezvishandiso zvepolyurethane kuti vasvike padanho rekuita, maumbirwo efuro, uye zvinangwa zvezvakatipoteredza. Mapoka makuru anosanganisira amine catalysts, metal catalysts, uye green kana emerging catalysts. Rudzi rumwe nerumwe rune mabhenefiti akasiyana uye rwakakodzera mashandisirwo akasiyana.
Pazasi pane tafura inopfupikisa mhando dzinonyanya kuzivikanwa dze polyurethane catalysts nemienzaniso yadzo:
| Rudzi rweCatalyst | Mienzaniso |
|---|---|
| Zvinokonzera Amine | N,N-dimethylcyclohexylamine, bis(2-dimethylaminoethyl)ether, Triethylamine |
| Alicyclic Amine Catalysts | N-ethylmorpholine, N-methylmorpholine, N,N'-diethylpiperazine |
| Doro Rinosanganiswa | Triethanolamine, DMEA |
| MaAmine Anonhuhwirira | Pyridine, N,N'-lutidine |
| Zvinokonzera Organometallic | Dibutyltin dilaurate, mutobvu weorganic |
| Zvinhu Zvikuru zveSimbi | Tin, potasium, lead, mercury, zinc |
Zvinokonzera Amine
MaAmine catalysts ndiwo anonyanya kushandiswa mukugadzira furo repolyurethane. MaCatalysts aya anobatsira kudzora mafambiro ari pakati peisocyanates nepolyols. MaAmine catalysts anogona kuiswa muzvikamu zvakasiyana-siyana, zvakaita setertiary amines, alicyclic amines, uye aromatic amines. Subtype yega yega inokanganisa mafambiro acho nenzira yakasiyana.
- Ma amine epamusoro, akadai seN,N-dimethylcyclohexylamine netriethylamine, anowanikwa mukugadzirwa kwefuro rinochinjika uye rakaoma.
- Alicyclic amines, dzakadai seN-ethylmorpholine, dzinopa kugadzikana kuri nani uye dzinowanzo shandiswa mumafuro akasarudzika.
- Ma amine anonhuhwirira, kusanganisira pyridine, anopa mashandiro akasiyana kune mamwe mashandisirwo.
MaAmine catalysts anokosheswa nekukwanisa kwawo kukurumidzisa polyurethane reaction uye kudzora chimiro chefoam cell. Anobatsira vagadziri kuwana chiyero chinodiwa pakati pekumhanya kwereaction uye mhando yefoam. Mafomula eMOFAN epamusoro eamine catalyst akagadzirwa kuti agutse zvinodiwa neindasitiri, zvichipa kuchena kwakanyanya uye kushanda kwakasimba.
Zvinokonzera Simbi
Zvishandiso zvesimbi, zvinozivikanwawo sezvishandiso zve organometallic, chimwe chikamu chakakosha mukugadzirwa kwe polyurethane. Zvishandiso izvi zvinowanzova nesimbi dzakadai setin, potassium, kana zinc. Dibutyltin dilaurate muenzaniso unozivikanwa. Zvishandiso zvesimbi zvinoshanda seLewis acids, zvinoreva kuti zvinobatsira kumutsa boka re isocyanate uye kukurudzira kuumbwa kwe urethane bond.
- Zvinhu zvinovaka muviri zvakagadzirwa netin zvinoshandiswa zvakanyanya nekuda kwebasa razvo guru rekugadzirisa masero uye kugona kudzora nguva yekupisa.
- Zvinokonzera potassium ne zinc zvinopa dzimwe nzira dzekushandisa kana paine chepfu shoma kana kuti zvimwe zvinhu zvinoda kugadziriswa.
Mofan's flagship TMR-30 Catalyst inoonekwa zvakanyanya muchikamu ichi. Ine delayed-action trimerization, iyo inobvumira kudzora zviri nani pakukwira nekupora kwefoam. TMR-30 Catalyst inewo kuchena kwakanyanya uye kushanda zvakanaka, zvichiita kuti ive yakakodzera kugadzirwa kwepolyurethane nepolyisocyanurate foam.
Zvishandiso zveGreen uye Emerging Catalysts
Indasitiri yepolyurethane iri kufambira mberi kune mhinduro dzinochengetedza nharaunda uye dzinogara kwenguva refu. Zvishandiso zvegirini nezvinobva zvagadzirwa kuderedza kukanganisa nharaunda uye kutevedzera mitemo yakaoma. Mafambiro akati wandei ari kuumba kukura kwezvishandiso izvi:
- Shandurai kushandisa zvinhu zvakabikwa kubva muzvinhu zvipenyu kuti muderedze kuvimba nemafuta epasi
- Tarisa pakuvandudza kugona kudzokorodza zvinhu uye kuora kwezvinhu zve polyurethane
- Kusimbiswa kwekushandisa simba zvakanaka mumabasa ekugadzira
- Kushandiswa kwemaitiro emvura kuderedza kuburitswa kwemhepo inoputika (VOC) uye kuwedzera kuchengetedzeka
- Kumanikidzwa kwemutemo maererano nezvinhu zvine chepfu uye kuburitswa kwemhepo panguva yekugadzira
Magadzirirwo emhando yepamusoro eMOFAN anobatsira muindasitiri iyi nekuderedza kuburitswa kweVOC uye kutevedzera mitemo yakaoma yezvakatipoteredza. Magadzirirwo aya anowedzera kuchengetedzeka kwezvigadzirwa zvepolyurethane, zvichiita kuti zvikwanise kushandiswa muzvivakwa zvinoshandisa simba shoma uye zvikamu zvemotokari zvakareruka. Magadzirirwo emazuva ano epolyurethane anopawo kutonga kwakaringana pamusoro pehuwandu hwemhinduro, izvo zvinobatsira kuvandudza hunhu hwefuro uye kuwedzera kushandiswa kwadzo mumaindasitiri akasiyana-siyana.
Mabasa eCatalyst
Kukurumidza Kupindura
MaCatalyst anoita basa guru mukugadzira furo repolyurethane. Anobatsira kukurumidzisa ma "gelation" uye "blowing reactions". Ma "reactions" aya anofanira kuitika panguva yakakodzera kuti furo riumbwe nemazvo. Ma "catalysts" akasiyana ane mhedzisiro yakasiyana pa "reactions" idzi. Mamwe anoshanda zvirinani pa "gelation", nepo mamwe ari nani pa "blowing". Sisitimu yakaenzana yakakosha pakudzora kwakanaka. Chiyero che "gelation" ne "blowing catalyst" chinoshandura simba nehukuru hwefuro. Semuenzaniso:
- Kuwedzera kwe gelation catalyst zvinoreva kukurumidza kubatanidza uye furo rakasimba.
- Kufuridza zvakanyanya zvinoreva kukurumidza kugadzirwa kwecarbon dioxide uye kudzikira kwehuwandu hwefuro.
Kukanganiswa kweZvinhu zveFoam
Rudzi rwechikakasha chinoshandiswa runogona kuchinja chitarisiko uye manzwiro efuro. Zvikakasha zve organic acidic, organic basic, uye tin-based chimwe nechimwe chinokanganisa maitiro e gelling ne blowing nenzira dzakasiyana. Kana blowing reaction ikanyanya kukurumidza, furo rinogona kudonha. Kana gelling reaction ikanyanya kukurumidza, furo rinogona kusakwira zvakakwana. Amine catalysts inokosha pa blowing reaction. Dzinobatsira kudzora density uye resistance yefuro. Kuenzana pakati pezviitiko izvi kwakakosha pakushanda kwekupedzisira kwefuro.
Kushanda Nesimba Kwemaitiro
MaCatalysts anovandudzawo kushanda zvakanaka kwemabasa. Kushandisa maCatalysts epamusoro kunogona kuwedzera kushanda zvakanaka kusvika ku30% pakupisa kwakanaka. Mafuro akagadzirwa nemaCatalysts aya anogona kuratidza kuwedzera kwe15% musimba rekudhonza. Nzira dziri nani dzekusanganisa dzinoita kuti maCatalysts anoshanda zvakanaka zvikuru. Izvi zvinoita kuti kuoma nekukurumidza uye kubereka kwakawanda mukugadzira. Kubudirira kwemabasa kunoreva kushanda zvakanaka uye kuderedza mitengo yezvigadzirwa kune vagadziri.
Zvishandiso zveCatalyst
Mafuro Anochinjika
Zvishandiso zvepolyurethane zvinoita basa guru mukugadzirwa kwefuro rinochinjika. Vagadziri vanoshandisa zvishandiso izvi kugadzira furo repolyurethane rakapfava, rakati sandara, uye rakaoma. Mafuro anochinjika anowanikwa mumacushion efenicha, mukati memotokari, uye mukudzivirira furo rinopfapfaidzwa. Nheyo dzekushandisa macatalyst epolyurethane dzinobatsira kudzora kuwanda kwefuro uye kusimba kwaro. Zvishandiso zvinogonesawo kugadzirwa kwemadashboard nezvigaro zvemotokari. MOFAN inopa mhinduro dzakagadzirirwa maindasitiri aya, ichivimbisa kuti mhando yacho inogara iripo uye kuti inosvika pasi rose.
- Inoshandiswa mukuisa machira efenicha
- Zvakakosha zvemukati memotokari
- Kurerutsira kuputira furo respray
- Tsigira kugadzirwa kwedashboard
Mafuro Akasimba
Foam yepolyurethane yakasimba inoshandiswa zvakanyanya mukuvaka nekudzivirira kupisa. Nheyo dzekushandiswa kwe polyurethane catalysts dzinoona simba refoam, kumhanya kwekupisa, uye kuchengetedzeka. Mhando dzakasiyana dzecatalysts dzinokanganisa mashandiro uye kukanganisa kwezvakatipoteredza. Tafura iri pazasi inoratidza kuti sarudzo dzecatalysts dzinokanganisa sei hunhu hwefoam yakasimba:
| Rudzi rweCatalyst | Mhedzisiro Yakakosha Pakushanda Nekuchengetedza |
|---|---|
| Zvikonzeriso zveAmine zveTertiary | Kurumidza kuumbwa kwebonde reurethane; vandudza kuenderana; kuderedza kuburitswa kwemhepo; wedzera furo. |
| Zvinokonzera Organometallic | Kurudzira kuumbwa kweurethane; dzimwe nzira dzekuderedza chepfu dziripo. |
| Maitiro eKinetics | Nguva dzinoshandiswa dzinokanganisa mashandiro ekugadzirisa. |
| Kukanganiswa Kwezvakatipoteredza | Zvinokonzera kukuvadza zveBismuth zvinoderedza chepfu uye zvinogamuchirwa nemutemo. |
MOFAN inopa zvinhu zvemhando yepamusoro zvekushandisa furo rakasimba, zvichitsigira mapurojekiti ekuvaka asingashandise simba zvakanyanya pasi rese.
Mapendi uye Zvinonamira
Machira ePolyurethane neanamatira anoshandisa macatalyst kudzora kumhanya kwekuita uye kuwedzera kupora. Nheyo dzekushandisa macatalyst epolyurethane dzinovimbisa kugadzirwa kwakafanana uye kushanda zvakanaka. MaCatalyst anoenzanisa ma gelling ne blowing reactions, izvo zvakakosha kumachira eindasitiri neanamatira. Kusarudza catalyst chaiyo kwakakosha pakutevedzera mitemo yemutemo uye kuwana hunhu hwaunoda senge kuomarara uye kuramba ngura.
- MaCatalyst anodzora kumhanya kwekuita uye kupora
- Kuenzanisa gelling uye kuputika kwemaitiro
- Kuomarara uye kuramba ngura
- Zvakakosha pakuvandudza kunamira mumashandisirwo emaindasitiri
Kubata zvinhu zvinokonzeresa njodzi kunoda matanho ekuchengetedza. Nguva dzose tarisa mapepa ekuchengetedza uye shandisa michina yekudzivirira. Kufefetera kwakakwana kunodiwa munzvimbo dzebasa.
MaElastomer uye Mashandisirwo Akakosha
Ma elastomer epolyurethane anoshandiswa mumabasa akasiyana siyana akadai semavhiri, zvisimbiso, uye zvikamu zvemaindasitiri. Ma catalysts anobatsira kuwana hunhu hwemakanika uye kugara kwenguva refu. MOFAN inopa mhando dze polyurethane catalyst dzakagadzirirwa kushandiswa uku, zvichizadzisa zvinodiwa nevatengi vayo. Kuwanikwa kwenyika yese uye kuvimbiswa kwemhando kunotsigira kushandira pamwe kwenguva refu nemaindasitiri muEurope, America, neAustralia.
Zano: Tsanangura zvinodiwa pakushanda, edza mafomura, uye gadzirisa zvinhu zvinopa simba kuti uve nechokwadi chekuti machira uye mashandisirwo emukati anosangana nezvinodiwa uye zvinodiwa pakugara kwenguva refu.
Kusarudza Polyurethane Catalysts
Zvinhu Zvikuru
Kusarudza chinhu chinobatsira kugadzira zvinhu zvepolyurethane chakakodzera kwakakosha pakuwana mhedzisiro yakanaka mukugadzira zvinhu. Vagadziri vanofanira kufunga nezvezvinhu zvakati wandei pavanosarudza zvinhu zvinobatsira pakushandisa zvinhu zvakasiyana:
- Kusagadzikana uye mwero wekubuda kwemhepo: Ongorora kumanikidzwa kwemhepo, chiyero chekunhuhwirira, uye maitiro ekufamba kwemhepo muPU matrix.
- Kuenzana kwekuita: Kuburitsa furo nejeli kunofanirwa kunge kwakasimba kuti furo rive rakafanana.
- Kuenderana: Iva nechokwadi chekuti catalyst inoshanda zvakanaka ne polyol, isocyanate, nezvimwe zvinowedzera kudzivirira kusagadzikana.
- Zvinodiwa zvinoenderana nekushandiswa: Mashandisirwo akasiyana anoda mwero wakasiyana wekunhuhwirira uye maitiro ekuita basa racho.
MOFAN inopa mazano ehunyanzvi uye mhinduro dzakagadzirirwa vatengi kusarudza mhando dzakanakisa dzepolyurethane catalyst dzinoenderana nezvavanoda. Kubvunzana nenyanzvi kunoita kuti zvikwanisike kugadzirisa mashandiro ekushandisa uye kutevedzera mitemo yeindasitiri.
Kushanda uye Kuchengetedzeka
Kuchena kweCatalyst kunoita basa rakakosha mukugadzirwa kwepolyurethane. Zvishandiso zveCatalyst zvine hutsanana hwakawanda zvinotungamira kuhunhu hwefuro hwakafanana uye zvinoderedza mhedzisiro isingadiwe. Zvishandiso zveCatalyst zvinononoka zvinobvumira kudzora zviri nani nguva yemhinduro, izvo zvinovandudza kunaka kwenzvimbo uye kugona kuyerera kwefuro. Izvi zvinotsigira zvakanakira kushandisa zvishandiso zvepolyurethane mukugadzira kwemazuva ano.
Vagadziri vanofanirawo kutevedzera mitemo yekuchengetedza uye zvitupa. Tafura iri pazasi inoratidza zvitupa zvakafanana zvekusarudza PU catalyst:
| Rudzi rweChitupa | Tsananguro |
|---|---|
| ISO 9001 | Kutevedzera mitemo yemhando yepamusoro yekugadzira |
| COA | Chitupa Chekuongorora chinowanikwa kana wakumbira |
| SDS/MSDS | Sheti reData rekuchengetedza rinowanikwa kana wakumbira |
Kuchengetedzeka chinhu chinokosha. Gara uchiongorora mapepa ekuchengetedza uye tevera nzira dzinokurudzirwa dzekubata nadzo.
Kufunga Nezvezvakatipoteredza
Mitemo yezvakatipoteredza inokanganisa kushandiswa uye kuraswa kwezvinokonzeresa polyurethane. Marara epolyurethane anodzivirira kuora kwezvipenyu, izvo zvinogona kukonzera kusvibiswa kwevhu nemvura. Maitiro ekugadzira anoshandisawo simba rakawanda uye anobatsira mukuburitswa kwemagasi anodziya pasi.
- Kurasa zvakanaka zvinhu zvinokonzeresa polyurethane amine kunodzivirira kusvibiswa.
- Marara ane njodzi anofanira kubatwa zvichienderana nemitemo yemuno.
- Chenesa uye rasa midziyo isina chinhu zvine hungwaru.
Kufambira mberi kwazvino muhunyanzvi hwekugadzira zvinhu zvinovaka muviri kunotarisa pakugadzira zvinhu zvinobva kuzvinhu zvipenyu, nanotechnology, uye kuchengetedzwa kwezvinhu zviri nani. Zvinhu zvinovaka muviri zveMOFAN zvinobatsira vagadziri kusangana nemitemo inochinja uye kuderedza kukanganisa nharaunda.
Kusarudza chinhu chinobatsira pakugadzira chigadzirwa kunotsigira mashandiro azvo uye mutoro wezvakatipoteredza.
Kusarudzwa kwe polyurethane catalyst kunokanganisa kunaka kwechigadzirwa, kushanda zvakanaka, uye kukanganisa nharaunda. Kusarudza mhando chaiyo yePU catalyst kunovandudza hunhu hwefuro uye kunoderedza marara. Catalysts dzemhando yepamusoro, dzakadai sedzinobva kuMOFAN, dzinopa mhedzisiro inogara iripo uye dzinochengetedza mari kwenguva refu. Vagadziri vanobatsirwa nerutsigiro rwenyanzvi uye mhinduro dzakagadzirirwa zvinodiwa.
Kuti muwane ruzivo rwepamusoro, tsvagai ruzivo nezvemhando dzepolyurethane catalyst uye mafambiro ekuchengetedza nguva. Nhungamiro yakavimbika inovimbisa kushanda zvakanaka uye kutevedzera mitemo yese inoshandiswa.
Mibvunzo Inowanzo bvunzwa
QChii chinonzi polyurethane catalyst?
Chinhu chinobatsira kugadzira zvinhu zvinogadzira polyurethane chinokurumidza kushanda pakati peisocyanate nepolyol. Maitiro aya anogadzira furo repolyurethane, machira, uye zvinonamira. Vagadziri vanoshandisa zvinhu zvinogadzira zvinhu zvinogadzira PU kuti vawedzere kushanda zvakanaka uye vadzore kunaka kwechigadzirwa.
QMhando dzePU catalyst dzinokanganisa sei hunhu hwefuro?
Mhando dzakasiyana dze polyurethane catalyst dzinoita kuti furo rive rakawanda, simba, uye kukurumidza kurishandisa. Amine catalysts dzinobatsira kugadzira furo rakapfava. Metal catalysts dzinogadzira furo rakasimba uye rakaomarara. Kusarudza PU catalyst chaiyo kunoita kuti pave nekushanda kwaunoda.
QKo zvinhu zvinogadzira polyurethane zvakachengeteka here kushandiswa mumba?
Zvizhinji zvezvino zvinogadzira polyurethane, kusanganisira sarudzo dzeMOFAN dzinoburitsa utsi hushoma, zvinosangana nezvinodiwa zvekuchengetedza zvekushandisa mumba. Nguva dzose tarisa mapepa ekuchengetedza uye tevera nzira dzinokurudzirwa dzekubata nadzo.
QNdingashandisa here chinhu chimwe chete chePU chinobatsira pakugadzira zvinhu zvese zve polyurethane?
Kwete. Rudzi rwega rwega rwe polyurethane catalyst runoshanda zvakanyanya pakushandiswa kwaro. Mafuro anochinjika, mafuro akaomarara, machira, uye ma elastomers zvinoda ma catalyst akasiyana. Bvunza nyanzvi kuti usarudze PU catalyst yakakodzera zvaunoda.
QNdingasarudza sei chinhu chakanakisa chepolyurethane catalyst?
Funga nezvemhando yefuro, kumhanya kwekuita, kuburitsa kwemhepo, uye kuenderana nezvimwe zvinhu. Zvinhu zvinovaka muviri zvine hutsanana hwakanyanya, zvakaita seMOFAN, zvinopa mhedzisiro yakafanana. Mazano enyanzvi anobatsira kugadzirisa mashandiro uye kusangana nezvinodiwa nemitemo.
Nguva yekutumira: Chikunguru-07-2026