4,4′-Diphenylmethane diisocyanate(CAS#101-68-8)

Okwu mmalite

Diphenylmethane-4,4′-diisocyanate, nke a makwaara dị ka MDI. Ọ bụ ngwakọta organic na bụ ụdị ogige benzodiisocyanate.

Ogo:

1. Ọdịdị: MDI enweghị agba ma ọ bụ ìhè odo siri ike.

2. Solubility: MDI bụ soluble na organic solvents dị ka chlorinated hydrocarbons na aromatic hydrocarbons.

Jiri:

A na-eji ya dị ka akụrụngwa maka ogige polyurethane. Ọ nwere ike meghachi omume na polyether ma ọ bụ polyurethane polyols iji mepụta polyurethane elastomers ma ọ bụ polymers. Ihe a nwere otutu ngwa n'ime ihe owuwu, ugbo ala, arịa ụlọ, na akpụkpọ ụkwụ, n'etiti ndị ọzọ.

Usoro:

Usoro nke diphenylmethane-4,4'-diisocyanate bụ nke na-emeghachi omume aniline na isocyanate iji nweta isocyanate dabeere aniline, wee gaa site na mmeghachi omume diazotization na denitrification iji nweta ngwaahịa ezubere iche.

Ozi nchekwa:

1. Zenarị kọntaktị: Zenarị kọntaktị anụ ahụ ozugbo ma nweekwa akụrụngwa nchedo onwe onye kwesịrị ekwesị dị ka uwe, enyo na uwe nchebe.

2. Igwe ikuku: Nọgide na-enwe ọnọdụ ikuku dị mma n'oge ọrụ.

3. Nchekwa: Mgbe ị na-echekwa ya, a ga-emechi ya ma debe ya site na isi ọkụ, ebe okpomọkụ na ebe mgbanye ọkụ na-eme.

4. Ntufu ihe mkpofu: E kwesịrị ịgwọta ihe mkpofu nke ọma ma kpofuo ya, e kwesịghịkwa ịwụfu ya mgbe ọ masịrị ya.

Mgbe a na-ejikwa ihe kemịkal, ekwesịrị ijikwa ha nke ọma dabere na usoro ọrụ ụlọ nyocha na ntuziaka nchekwa, yana dabere na iwu na ụkpụrụ dị mkpa.