Ịdị ọcha 99% min 1,4-Phenylene diisocyanate CAS 104-49-4 p-phenylene diisocyanate (PPDI)
Aha ọgwụ: 1,4-Phenylene diisocyanate
Ụdị okwu: p-phenylene diisocyanate (PPDI)
Usoro ihe omimi: C8H4N2O2
Arọ molikula: 160.13
Nọmba CAS: 104-49-4
Njirimara physicochemical: PPDI bụ ihe siri ike na-acha ọcha. Ebe mgbaze: 94 Celsius. Ebe esi mmiri: 110 ~ 112 °C (3.3kPa) Njupụta: 1.17g/cm3
PPDI dị ọcha 1,4-Phenylene diisocyanate (PPDI), nọmba CAS bụ 104-49-4. PPDI bụ onye na-ahụ maka ọgwụgwọ dị elu / ihe ndọtị maka polyurethane (PU) thermoplastic elastomer. Elastomers nkedo dabere na PPDI ka ejiri arụ ọrụ siri ike mara mma. Uru doro anya bụ na wiil ndị dị elu na-emepụta na PPDI nwere ike iguzo maka oke okpomọkụ dị elu n'okpuru ọrụ / mmegharị ngwa ngwa ma na-aga n'ihu. Ya mere, wiil ndị dabeere na PPDI bụ ihe ngwọta dị mma maka ndị chọrọ ogologo ndụ na-agba ọsọ, ikike ibu ibu na ihe ndị na-eguzogide okpomọkụ dị elu. N'ozuzu, PU elastomers ji ọmarịcha abrasion, dọkasịa na ibelata nguzogide ma e jiri ya tụnyere rubbers sịntetik. N'agbanyeghị PPDI na MDI nwere ụdị nhazi, ike ike na modul ji atụnyere TODI, isocyanate nwere obere molar ruru nke polyol na polyol na PPDI. N'ụzọ bụ isi, ụdị elastomers PPDI na-agbanwe karịa ụdị MDI omenala na ụdị TODI polyurethane elastomers. N'ime ihe niile polyurethane elastomers, ndị dabeere PPDI ka amara maka wiil ndị nwere oke nrụgide, ya bụ taya maka ndụdụ ndụ, ụgbọ ala na ụgbọ elu; rollers ndu, wiil maka igwe; elu ọsọ skate rollers na na. Na nkenke, ụdị elastomer PPDI bụ nhọrọ kachasị mma maka ngwa nke abrasion kacha ala na okpomọkụ kachasị elu. N'oge a, a na-eji onye na-agwọ ọrịa PPDI eme ihe na TPU-ngwaahịa dị ka ihe ndọtị isi iyi, ngwa ahụ na-aga n'ihu na-agbasawanye, gụnyere O-mgbanaka, akara hydraulic, kpakpando njikọ na mpempe akwụkwọ squeegee.
Uru maka uru pụrụ iche nke okpomọkụ, abrasion, akwa na ibelata nguzogide, PPDI dabeere na elastomers na-etinye n'ọtụtụ ebe na ụlọ ọrụ ndị chọrọ maka nrụrụ siri ike, ọrụ na-adịgide adịgide. PPDI bụ isi ihe ọkpụkpọ na TPU (thermoplastic polyurethane elastomer). Ihe mkpuchi hydraulic, wipers, akara piston, O-mgbanaka, akara mkpanaka, pulleys nke rịọrọ maka nguzogide okpomọkụ na nrụgide nrụgide bụ akụkụ ndị ọzọ dị mkpa nke onye na-agwọ ọrịa PPDI. Ekwupụtaghị taya maka forklift, ụgbọ ala, igwe, ụgbọ elu na ihe ndọba ụgbọ elu, wiil, ihe ntụzịaka maka ihe na-akụda mmụọ bụ ngalaba nke ọzọ maka ụdị elastomers ụdị PPDI.
Mbukota: 20kg, 40kg, 50kg / ígwè drum.
Nchekwa na njem: PPDI na-enwe mmetụta nke ukwuu maka mmiri. Mmiri na-emeghachi omume na diisocyanates niile iji mepụta urea ihe na-esighi ike. Etinyekwala PPDI yana nri ma zere ikpughe na gburugburu 30 ℃. Mgbe ejiri ya, a ga-emechi mkpuchi ozugbo ma ọ bụrụ na ọ naghị arụ ọrụ. N'okpuru ọnọdụ mpụga dabara adaba, PPDI dị irè ruo ọnwa isii opekata mpe site na ụbọchị ewepụtara ya.
Ngwakọta kemịkalụ | 1,4-Phenylene diisocyanate (PPDI), P-Phenylene Didisocyanate, Paraphenylene diisocyanate, Benzene 1,4-diisocyanate |
Nọmba CASN | 104-49-4 |
NCO% | 52.5% |
Njirimara isi | cyanate isi |
Ịdị ọcha | ≥99.0% |
Njupụta | 1.17g//cm3 na 20°C |
Ebe esi nri | 236.2°C na 760 mmHg |
Ebe na-ekpo ọkụ | 96-99°C |
ebe mgbari | 92.4°C |
Uzuoku mgbali | 0.048mmHg na 25°C |
Mkpokọta chlorine | ≤0.1% |
Chlorine nwere ike ime | ≤0.03% |
Ebe mgbaze | 94°C |
Ngwaahịa | 1,4-Phenylene diisocyanate(PPDI) | |||||
Ogbe Mba | 2300405 | Nkwakọ ngwaahịa | 20kg/drum | Ọnụọgụ | 500kg | |
Ụbọchị nrụpụta | 2023-04-05 | Ụbọchị agwụ | 2024-04-04 | |||
Ihe | Nkọwapụta | Nsonaazụ | ||||
Ọdịdị | Ọkụ na-acha odo odo ruo ọcha siri ike | ọcha flaky siri ike | ||||
Chlorine hydrolyzed,% | ≤0.02 | 0.0183 | ||||
Ebe mgbaze, ℃ | 94-96 | 95 | ||||
-NCO ọdịnaya,% | 52.0-53.0 | 52.21 | ||||
Ịdị ọcha,% | ≥99.0 | 99.35 | ||||
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