| Mushonga wekurapa weEpoxy nepolyurethane | ||||||
| Nhamba | MOFAN GRADE | Zita reKemikari | Fomura Yekuvaka | Kurema kweMorekuru | Nhamba yeCAS | Kushandiswa |
| 1 | MOFAN DBU | 1,8-Diazabicyclo[5.4.0]undec-7-ene |  | 152.24 | 6674-22-2 | Chinhu chinogadzirisa maresini epoxy nepolyurethane. |
| 2 | MOFAN SA-1 | Munyu weDBU/phenoxide |  | 246.35 | 57671-19-9 | Chinobatidza chakanyanya kudziya kwemuviri Chinoshanda pa ca.40~50℃ |
| 3 | MOFAN SA-102 | Munyu weDBU/2-ethylhexanoate |  | 296.4 | 33918-18-2 | Chinobatidza chakanyanya kudziya kwemuviri. Chinoshanda pa ca.50~60℃ - |
| 5 | MOFAN DB60 | DBU / Phthalic Acid Munyu |
| 318.37 | 97884-98-5 | Chinobatidza thermosensitive chakanyanya. Chinoshanda pa90℃ kana kupfuura. |
MOFAN DBU
Ndinoda chinhu chakasimba chinobatsira pakugadzirisa epoxy-anhydride. DBU inoshanda sei?
DBU chinhu chinoshamisa chinobatsira zvikuru pakugadzirisa epoxy-anhydride pa 80–120°C, zvichideredza nguva yekurapa ne 50% kana kupfuura.
Chinonamira changu che epoxy hachina simba rakawanda pakupisa. DBU inogona kuchigadzirisa here?
Ehe, DBU inokurudzira kubatana kwakakwana, ichikwidza tembiricha yekuchinja kwegirazi (Tg) ne10–20°C zvichienzaniswa netertiary amines seDMP-30.
Ko DBU yakakodzera here pakugadzira epoxy ine chikamu chimwe chete?
Kwete sehwaro hwakachena; inosangana ne epoxy patembiricha yemumba. Shandisa ma blocked DBU derivatives akadai seMOFAN SA-1 kana SA-102 kune masisitimu echikamu chimwe chete.
Elastomer yangu yepolyurethane inoda chinhu chakasimba che trimerization kuti irambe kupisa zvakanaka. DBU inogona kushandiswa here?
Ehe, DBU inoshanda pakuita kuti isocyanate trimerization ishande; shandisa 0.1–0.5 phr kuwedzera kugadzikana kwekupisa.
Ndeipi dosi inokurudzirwa yeDBU musystem ye epoxy-amine ine zvikamu zviviri patembiricha yemumba?
0.5–2 phr (yakavakirwa pa epoxy resin); inoderedza zvakanyanya hupenyu hwehari, saka shandisa nokungwarira pazvikamu zvidiki.
Pendi yangu ye epoxy inotadza kupora zvachose kana tembiricha yakaderera (5°C). DBU ingabatsira here?
Ehe, DBU inochengetedza basa rekugadzira zvinhu kunyangwe patembiricha yakaderera; wedzera kusvika pa2–3 phr yemafomula echando.
Ko DBU inokonzera yero here mu epoxy castings yakajeka?
Ehe, zvinogona kukonzera kuchinja kweruvara; kuti uonekwe zvakanaka, shandisa chinhu chinobatsira kupenya kana kuti chakavharika.
Ini carbon fiber composite prepreg inoda kurapwa nekukurumidza pa120°C. DBU yakakodzera here?
Ehe, asi nekuti ine mvura uye inoshanduka pakupisa kwemumba, chengeta prepreg yakaomeswa nechando. Funga nezveSA-102 kuti uwane nguva yekunonoka iri nani.
Ko DBU inogona kushandiswa semushonga unonyungudutsa CO₂ here kana kuti mu polyurethane foam semushonga unogadzirisa kupisa?
Ehe, DBU inoshandiswa mukubata CO₂ uye se trimer catalyst yePIR rigid foam (0.2–0.6 phr).
Nguva yekushanda kweMOFAN DBU mumudziyo wakavhurwa ndeyei?
Mwedzi gumi nemiviri kana ikachengetwa yakaoma uye isina nitrogen; inonwisa CO₂ kubva mumhepo inogadzira carbonate, zvichideredza kushanda kwayo.
MOFAN SA-1
Ndinoda chinonamira che epoxy chine chikamu chimwe chete chine kugadzikana kwenguva refu patembiricha yemumba asi chinopora nekukurumidza pa40–50°C. SA-1 yakakodzera here?
Ehe, MOFAN SA-1 munyu weDBU wakavharika unoramba usingashande pasi pe40°C uye unoshanda nekukurumidza pa40–50°C, zvichipa hupenyu hwemwedzi mitanhatu kana kupfuura hwekupisa kwemukamuri.
Chinonamira changu che epoxy structural film chinoda kucheneswa pa50°C kwemaminitsi makumi matatu. Chipimo cheSA-1 chinowanzoitwa sei?
1–3 phr yakavakirwa pa epoxy resin; inopa kupora kwakakwana mukati memaminitsi makumi matatu pa50°C pasina kuda maovheni anodziya zvakanyanya.
SA-1 inogona kushandiswa here mu polyurethane ine chikamu chimwe chete chehunyoro-hunoporesa?
Hazvikurudzirwi; yakagadzirirwa epoxy. PaPU, shandisa amine yakavharika yakaita seMOFAN SA-102.
Kabhoni yangu inofanira kuchengetwa patembiricha yemumba kwemwedzi yakati wandei. SA-1 inopa nguva yekunonoka here?
Ehe, SA-1 inopa nguva yakanaka yekunonoka mu epoxy-anhydride kana epoxy-dicyandiamide systems; chengetedza mushonga wacho wakaoma.
Chii chinonzi activation tembiricha yeSA-1?
Inenge 40–50°C. Pasi pe40°C, chinhu chinobatsira pakugadzira hachina simba.
Mushonga wangu wemagetsi wekugadzira midziyo yemagetsi unoda mushonga unodziya zvishoma (50°C) kuti usakuvadze zvikamu. SA-1 ndiyo sarudzo chaiyo here?
Ehe, SA-1 inoporesa pa50°C pasina exotherm spikes; shandisa 1.5–2.5 phr kuti uporeswe zvizere mumaawa 1–2.
Ko SA-1 inokonzera ngura pamhangura kana dzimwe simbi here?
Kwete, phenoxide salts hadziwanzo kuvadza; zvisinei, edza kuona kana simbi yako yakabatana.
Chinonamira changu che epoxy chinorasikirwa nesimba mushure mekukwegura kwekupisa. SA-1 inogona here kuvandudza kusimba kwekukwegura?
DBU yakavharika inopa mushonga unodzorwa zviri nani, inoderedza kushushikana kwemukati uye inovandudza kukwegura kwekupisa.
SA-1 inogona kushandiswa neanhydride hardeners here pakugadzira epoxy molding compounds dzinopisa zvakanyanya?
Ehe, SA-1 inoshanda zvakanaka nemaanhydride (semuenzaniso, MHHPA, THPA) pakurapa pa80–100°C, zvichipa Tg yakakwira.
Ndeipi nzira yakajairika yekushandisa epoxy paste ine chikamu chimwe chete neSA-1?
Epoxy resin (100 phr), anhydride hardener (80–100 phr), SA-1 (1–3 phr), uye zvinozadza kana zvichidikanwa. Chengeta pasi pe30°C.
MOFAN SA-102
Ndinoda chinonamira che epoxy chine chikamu chimwe chete chinoporesa pa50–60°C kuti chibatanidzwe muchimiro chemotokari. Sei uchifanira kusarudza SA-102?
SA-102 ine tembiricha yekushanda yakakwira zvishoma (50–60°C) kupfuura SA-1, zvichipa kugadzikana kuri nani pakati petembiricha yemukamuri uku ichiri kupora pakupisa kuri pakati nepakati.
Sealant yangu yepolyurethane ine chikamu chimwe chete inoda catalyst yakavanzika inoshanda pa60°C. SA-102 yakakodzera here?
Ehe, SA-102 inogona kushandiswa mumasisitimu epolyurethane sechinhu chinobvisa tsvina, kunyanya pakushandiswa kwekumanikidzwa kuporesa pa60–80°C.
Ndeipi mukana weSA-102 pane SA-1?
SA-102 inopa kugadzikana kwenguva refu kwekuchengetedza patembiricha yemumba (inopfuura mwedzi gumi nemiviri) uye nguva yekushanda yakapinza.
Epoxy prepreg yangu yemashizha emhepo inoda kucheneswa pa60°C kwemaawa maviri. Ndinofanira kushandisa SA-102 level yakaita sei?
1–2 phr (pa epoxy) yakasanganiswa ne hardener yakakodzera (dicyandiamide kana anhydride).
SA-102 inoshanda here nema polyurethane casting systems kuti inonoke kuita kwayo kusvika yapisa?
Ehe, inogona kushandiswa kugadzira polyurethane ine chikamu chimwe chete chinorapika nekupisa; chiyero chakajairika 0.5–1.5 phr.
Zvinhu zvangu zvemagetsi zvinofukidza madziro zvinoda sisitimu ine chinhu chimwe chete, ine viscosity shoma. SA-102 inoenderana here?
Ehe, SA-102 inonyungudika mumaresin mazhinji epoxy uye haiwedzere viscosity zvakanyanya.
Ndeipi nguva yekushanda kwe epoxy ine SA-102 pa25°C?
Kazhinji zvinogara kwemwedzi 6-12 mumudziyo wakavharwa, wakaoma; dzivirira hunyoro uye tembiricha yakakwira.
SA-102 inogona kushandiswa kurapa maresini epoxy-phenolic ekudzivirira kupisa kwakanyanya here?
Ehe, inokurumidza kubatanidza epoxy ne phenolic resins pa 80–100°C.
Chinonamira changu chinotadza kupora kana chakaita sechinokora nekuda kwekupisa. SA-102 inobatsira sei?
Kushanda kwayo kunokonzerwa nekupisa kunoita kuti iporeswe kunyangwe iri hombe kana tembiricha yekushanda yasvika.
SA-102 ine chepfu here kana kuti ine njodzi?
Haina kusimba zvakanyanya asi inokuvadza ganda; mubato wayo une magirovhosi. Haina simbi dzinorema.
MOFAN DB60
Ndinogadzira zvinonamira zve epoxy zvine chikamu chimwe chete zvinoda kugara zvakagadzikana kwemwedzi yakati wandei pa40°C uye zvinongoramba zvichipisa kupfuura 90°C chete. DB60 ndiyo sarudzo chaiyo here?
Ehe, MOFAN DB60 ine tembiricha yekushanda ye90°C kana kupfuura, zvichipa nguva yekunonoka yakanaka kunyangwe munzvimbo dzinopisa.
Kuvhara kwangu kwehupfu hwezvikamu zvesimbi kunoda mushonga unopedza simba pa120°C. DB60 inogona kushandiswa here muhupfu hwe epoxy hybrid?
Ehe, DB60 inoshanda zvakanaka mu epoxy powder coatings; 1–3% ye resin yese, inonyungudika pa120–150°C.
Ndeipi mukana weDB60 pane SA-102 mukushandisa prepreg?
DB60 inobvumira kuchengetwa patembiricha yekunze (kunyangwe kusvika 40°C) pasina kukwidziridzwa, yakakodzera kugadzirwa kwemidziyo mikuru.
Kabhoni yangu inosanganiswa nefiber inofanira kucheneswa pa130°C kwemaminitsi makumi matatu. Ndinofanira kushandisa DB60 yakawanda sei?
2–4 phr zvichibva pa epoxy; inopa mushonga unoshanda nekukurumidza uye inoburitsa simba shoma.
Ko DB60 inogona kushandiswa mu polyurethane high-temperature curating systems here?
Ehe, senzira yekuvharira polyurethane crosslinking, semuenzaniso, mumaglues anonyunguduka anoshandiswa nekupisa.
Ko DB60 inokonzera kuchinja kweruvara mu epoxy castings ine ruvara rwakajeka here mushure mekugadziriswa kwekupisa kwakanyanya?
Zvishoma; zvinogadzira ruvara rweamber rwakachenuruka, rushoma pane zvimwe zvinhu zvakawanda zvinokonzeresa ruvara.
Paste yangu ye epoxy ine chikamu chimwe chete haina kunamira zvakanaka paaruminiyamu mushure mekugadziriswa. DB60 inogona kuvandudza kunamira here?
Kwete zvakananga; asi nekuti inobvumira mushonga wakachena, unodziya zvakanyanya pasina kuita nekukurumidza, kunamira kunogona kuwedzerwa.
Ndeipi musanganiswa wekare wekusimbisa simba neDB60 we epoxy ine chikamu chimwe chete?
Dicyandiamide (dicy) kana kuti anhydrides (MHHPA, nadic methyl anhydride) ndiyo inonyanya kushandiswa.
Chikamu changu chakasanganiswa chine maburi madiki nekuda kwekushandiswa kwegelling nguva isati yakwana. Ko DB60 ichabvisa maburi madiki here?
Ehe, tembiricha yayo yepamusoro inobvumira kuyerera kwakakwana kwe resin uye kubuda kwemhepo isati yatanga kurapwa.
Nguva yekushanda kweDB60 mu masterbatch ndeyei?
Kupfuura mwedzi gumi nemiviri kana yakachengetwa pasi pe30°C mumudziyo wakaoma, wakavharwa.