PMDI CAS 9016-87-9 Polymethylene Polyphenyl Polyisocyanate
Shanghai Ruifu Chemical Co., Ltd bụ onye na-emepụta Polymethylene Polyphenyl Polyisocyanate (PMDI; Polymeric MID) (CAS: 9016-87-9) nwere oke mma.Ruifu Chemical nwere ike ịnye nnyefe zuru ụwa ọnụ, ọnụahịa asọmpi, ọrụ magburu onwe ya, obere na nnukwu ọnụọgụ dị.Zụrụ PMDI,Please contact: alvin@ruifuchem.com
| Aha Chemical | Polymethylene Polyphenyl Polyisocyanate |
| Ụdị okwu | PMDI;PAPI;Polymeric MID;MDI PM 200;Polymethylene Polyphenyl Isocyanate;Poly[(phenyl isocyanate) - co-formaldehyde;Coronatemr200;cr200 |
| Ọnọdụ Ahịa | N'ọkwa, Azụmahịa Azụmahịa |
| Nọmba CAS | 9016-87-9 |
| Usoro ihe omimi | C8H7NO2 |
| Ibu molekụla | 149.14668 g/mol |
| Ebe esi nri | 392 ℃/5 mm Hg |
| Ebe mgbari | >230°F |
| Njupụta | 1.2 g / ml na 25 ℃ (ọkụ) |
| Ntụgharị ntụgharị n20/D | 1.634 |
| COA & MSDS | Dị |
| Ụdị | Ruifu Chemical |
| Ihe | Standardkpụrụ nyocha | Nsonaazụ | NwaleeMusoro |
| Ọdịdị | Mmiri mmiri Brown | Mmiri mmiri Brown | GB/T 13658-1992 |
| Viscosity(25 ℃) (mPa.S) | 150-250 | 231 | GB/T 12009.3-2009 |
| Ọdịnaya NCO(% Wt) | 30.20-32.00 | 30.87 | GB/T 12009.4-1989 |
| Njupụta (25 ℃)/(g/cm3) | 1.220-1.250 | 1.232 | GB/T 4472-1984 |
| Ọdịnaya Acid(%, HCICihe) | ≤0.05 | 0,0060 | GB/T 12009.5-1992 |
| Chlorine nwere ike ime(%) | ≤0.20 | 0,0544 | GB/T 12009.2-1989 |
ngwugwu:220kg / Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Mbupu:Bufee ụwa niile site na ikuku, n'oké osimiri site na FedEx / DHL Express.Nye nnyefe ngwa ngwa na ntụkwasị obi.
Nkwụsi ike:Kwụsie ike.Na-ekwekọghị na ndị ọrụ oxidizing siri ike, mmanya.Nwere ike ire ere n'ikuku mmiri, ma ọ bụ na kọntaktị na mmiri.
Ebe ọ bụ na PMDI bụ kemịkalụ na-emeghachi omume, mmeghachi omume na mmiri ikuku na-eme n'ụzọ dị mfe ma na-eduga n'ịmepụta ureas na-adịghị edozi ya na gas carbon dioxide, nke nwere ike ime ka nrụgide dị elu na arịa mechiri emechi na mmụba viscosity nke ngwaahịa.Ya mere, akpa ga-adịrịrị nke ọma ma kpochie ya nke ọma mgbe ejiri nitrogen juchie ya.Ekwesịrị idowe arịa PMDI nke ọma ma chekwaa ya n'ime ụlọ na ọnọdụ okpomọkụ (15-35 ℃) na mpaghara ikuku nwere nke ọma.Nchekwa na obere okpomọkụ (n'okpuru 5 ℃) nwere ike iduga ụfọdụ crystallization;Ya mere, ihe a ga-echebe site na ntu oyi.Ọ bụrụ na kristal na-eme, a ga-ekpo ọkụ ihe ahụ site n'ịtụgharị drum na oven dị ọkụ na 70-80 ℃ iji gbazee ya, mgbe ahụ, a ga-agbaze nke ọma tupu ejiri ya.A naghị atụ aro ịgbaze na mmiri ịsa mmiri.A naghị atụ aro nchekwa agbatị na okpomọkụ dị elu karịa 50 ℃ iji gbochie nguzobe nke siri ike na-enweghị ike ime na mmụba viscosity.
Kedu ka esi azụta?Biko kpọtụrụDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Ahụmịhe afọ 15?Anyị nwere ihe karịrị 15 afọ nke ahụmahụ na mmepụta na mbupụ nke a dịgasị iche iche nke elu mma pharmaceutical intermediates ma ọ bụ ezi kemịkal.
Isi ahịa?Na-ere ahịa ụlọ, North America, Europe, India, Korea, Japanese, Australia, wdg.
Uru?Ogo kachasị elu, ọnụ ahịa dị ọnụ ala, ọrụ ọkachamara na nkwado teknụzụ, nnyefe ngwa ngwa.
OgoNkwenye?Usoro njikwa mma siri ike.Ngwá ọrụ ọkachamara maka nyocha gụnyere NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, wdg.
Ihe atụ?Ọtụtụ ngwaahịa na-enye ihe nlele efu maka nyocha dị mma, ndị ahịa kwesịrị ịkwụ ụgwọ mbupu.
Nyocha ụlọ ọrụ?Nnabata nyocha ụlọ ọrụ.Biko mee oge oge tupu oge eruo.
MOQ?Enweghị MOQ.A na-anabata obere usoro.
Oge Mbuga ozi? Ọ bụrụ n'ime ngwaahịa, ekwenyere nnyefe ụbọchị atọ.
Ụgbọ njem?Site Express (FedEx, DHL), nke ikuku, site n'oké osimiri.
Akwụkwọ?Mgbe ọrụ ahịa gasịrị: COA, MOA, ROS, MSDS, wdg nwere ike ịnye.
Synthesis omenala?Nwere ike ịnye ọrụ nhazi ahaziri iche ka ọ dabara mkpa nyocha gị nke ọma.
Usoro ịkwụ ụgwọ?A ga-ebu ụzọ ziga akwụkwọ ọnụahịa Proforma mgbe nkwenye nke iwu, kpuchiri ozi ụlọ akụ anyị.Ịkwụ ụgwọ site na T/T (Telex Nyefee), PayPal, Western Union, wdg.
Koodu ihe egwu
R20 - na-emerụ ahụ site na iku ume
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
R42 - nwere ike ịkpata uche site na iku ume
R42/43 - nwere ike ịkpata uche site na iku ume na kọntaktị anụ ahụ.
R26 - Na-egbu egbu nke ukwuu site na ikuku ume
R22 - na-emerụ ma ọ bụrụ na loro ya
R39/23/24/25 -
R23/24/25 - Na-egbu egbu site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro.
R11 - Na-agba ọkụ nke ukwuu
R20 / 21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya.
Nkọwapụta nchekwa
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S28 - Mgbe emechara akpụkpọ ahụ, were ọtụtụ ncha-suds saa ozugbo.
S38 - Ọ bụrụ na enweghị ikuku na-eku ume, yikwasị akụrụngwa iku ume kwesịrị ekwesị.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
S23 - Ekula uzuoku.
S16 - Wepụ ya na isi mmalite nke mgbanye.
S7 - Mechie akpa ahụ nke ọma.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
WGK Germany 3
RTECS TR0350000
Polymethylene Polyphenyl Polyisocyanate (PMDI; Polymeric MID) (CAS: 9016-87-9)
PMDI bụ ihe mejupụtara diisocyanate-diphenylmethane (MDI) nwere ụfọdụ isocyanates arụ ọrụ dị elu.Ọrụ dị ihe dịka 2.6-2.7.Ọ bụ mmiri mmiri aja aja na ọnọdụ okpomọkụ.
Enwere ike iji PMDI mee ihe n'ọtụtụ ebe na-emepụta ihe na-ekpuchi ụfụfụ PU siri ike;na-eji na isocyanurate ụfụfụ, ágbá, adhesives, structural ụfụfụ, cell integral akpụkpọ ụfụfụ, automotive bompa na ime akụkụ, elu-resilience ụfụfụ na sịntetik osisi, wdg N'ihi ya pụrụ iche mejupụtara Ọdịdị, PMDI nwere ike inye mma flowability.Ya mere, ọ dị mma karịsịa maka mmepụta nke chọrọ usoro siri ike nke ọma.
PMDI bụ polymer injinia eji eme ihe na njikọ nke ụfụfụ polyurethane na-agbake nke ukwuu na ire ere ọkụ.Nsí gburugburu ebe obibi na ndepụta US EPA Toxic Release Inventory list (TRI).
A na-eji ya maka imepụta microporous polyurethane elastomer dị elu, mkpuchi na ụfụfụ polyurethane dị nro nke na-agbapụta onwe ya, gụnyere soles, taya siri ike, ihe mkpuchi ụgbọ ala, ihe na-awụ akpata oyi n'ahụ, efere choke, wiil ndị na-akwọ ụgbọ mmiri, isi oche oche, ogwe aka, ngwa ime ụlọ, wdg. A na-ejikwa ya n'ọtụtụ ebe na mmepụta nke adhesives, coatings, prepolymers na semi-prepolymers.
A na-eji plastik mee ihe na-emepụta ụfụfụ ụfụfụ, adhesives, wdg. eji eme ihe na-emepụta ihe polyurethane, nke a na-ejikarị eme ihe na ụlọ ọrụ mmepụta ihe, ụlọ ọrụ ụgbọ ala, ụlọ ọrụ eletriki, dị ka ihe mkpuchi ọkụ ma ọ bụ ihe ndina.
PMDI bụ ihe na-agbanwe agbanwe na obere ihe na-egbu egbu na iku ume iku ume na nnabata anụ ahụ, mana ọ nwere otu isocyanate dị iche iche (NCO) dị mfe iji meghachi omume na mmiri, mgbe okpomọkụ ihe na-ekpo ọkụ karịa 40 ℃ (dị ka agbaze) ma ọ bụ na-arụ ọrụ. gburugburu ebe obibi na-adịghị mma ventilated, ọ ga-amụba na uzuoku toxicity, na mgbakwunye na ojiji nke spraying usoro ewu ebe ọrụ, ọ pụrụ iduga na-abawanye na ịta nke kwụsịtụrụ ahụ na ikuku na-eme ka toxicity.Arụ ọrụ na gburugburu ebe obibi kwesịrị iyi ihe mkpuchi gas na respirator, ma ọ bụghị ya, iku ume ugboro ugboro nke oke uzuoku nke uzuoku ga-ebute allergies nke iku ume.Ozugbo ị nwetara ya na akpụkpọ ahụ ma ọ bụ n'ime anya, kpochaa ya na mmiri ma jiri ncha na mmiri saa akpụkpọ ahụ.Ihe nkwakọ ngwaahịa nke galvanized iron drum, ngwaahịa ahụ adịghị agbanwe agbanwe, enwere ike ibufe ya dịka ihe ndị dị mkpa nke kemịkalụ izugbe si dị.N'ihi ọdịdị kemịkalụ na-arụ ọrụ nke PMDI, ọ dị mfe iji mmiri meghachi omume iji mepụta ogige urea na-adịghị edozi ma hapụ carbon dioxide, na-ebute gbọmgbọm drum na ịbawanye viscosity.Ya mere, n'oge usoro nchekwa ahụ, a ghaghị ekpuchi akpa ahụ nke ọma ma jupụta na nchebe nitrogen akọrọ.PMDI kwesịrị ịdị na ụlọ okpomọkụ (20 ~ 25 deg C) n'ime ụlọ nwere ikuku nke ọma;Ọ bụrụ na nchekwa okpomọkụ dị oke ala (n'okpuru 5 deg C) nwere ike iduga n'ichepụta ihe ngosi crystallization, n'ihi ya, a ghaghị ịṅa ntị na mgbochi freeze.Ozugbo crystallization mere, a ga-ekpo ọkụ ma gbazee na 70-80 ℃ tupu ejiri ya, ma kpalie ya nke ọma.Kwesịrị izere nchekwa ogologo oge n'elu 50 ℃, Iji zere nguzobe nke siri ike na-adịghị ike ma mee ka viscosity dịkwuo elu.Ndụ nchekwa nke PMDI bụ afọ 1 n'okpuru ọnọdụ nchekwa kwesịrị ekwesị.
Njirimara anụ ahụ na kemịkalụ:Mmiri mmiri na-acha aja aja na-esi ísì ụtọ.
Mmeghachi omume ikuku na mmiri:Na-emeghachi omume site na mmiri jiri nwayọọ nwayọọ na-akpụ asịrị na-atọhapụ carbon dioxide gas.Nrụgide dị ize ndụ nwere ike ịmalite ma ọ bụrụ na ejiri mechie akpa.
Profaịlụ mmeghachi omume:Polymethylene polyphenyl polyisocyanate na-emeghachi omume na mmiri ji nwayọọ nwayọọ na-akpụ asịrị dị arọ ma na-ahapụ carbon dioxide gas.Nrụgide dị ize ndụ nwere ike ịmalite ma ọ bụrụ na ejiri mechie akpa.A ga-eme mmeghachi omume ndabere-catalysed nke isocyanates na alcohols na ihe mgbaze inert.Mmeghachi omume ndị dị otú ahụ na enweghị ihe mgbaze na-emekarị na ime ihe ike [Wischmeyer 1969].
Ọrịa carcinogen na-ajụ ajụjụ.
Ihe ize ndụ ahụike:iku ume na-akpata iku ume, ahụ erughị ala obi, na mbelata ọrụ akpa ume;iku ume, ụkwara, na sputum nwekwara ike ime.Mmekọrịta na mmiri mmiri na-akpasu anya na akpụkpọ ahụ iwe.Iri nri na-ebute mgbakasị nke ọnụ na afọ.
Ihe ize ndụ ọkụ:Omume n'ime ọkụ: arịa nwere ike ịgbawa.
Profaịlụ nchekwa:Na-egbu egbu dị obere site na iri nri.Eji nwayọọ na-egbu egbu site na iku ume.Carcinogen a na-ajụ ajụjụ nwere data neoplastigenic nnwale site n'ụzọ ịkụnye.Mgbe ọ na-ekpo ọkụ ka ire ere, ọ na-ewepụta uzuzu na-egbu egbu nke NOx.
