Ngwaahịa
Polyether Pụrụ Iche - Polyether PET dị ala
Njirimara na Ojiji
Ọ dị mmiri mmiri n'okpomọkụ ụlọ, nke dị mfe iji ma hazie. Okpomọkụ mgbanwe iko nke -80 ℃, yana arụmọrụ dị ala nke ọma, njirimara igwe nke ngwaahịa elastomer ya na PTMG dị nso na PTMG, nwere ike dochie PTMG na gburugburu ebe okpomọkụ dị ala siri ike.
Site na ezigbo mgbanwe molekul, ọ nwere ike dochie PTMG na akpụkpọ anụ e ji aka mee na ink mbipụta na-agbanwe agbanwe; enwere ike iji ya na ihe nrapado na-eguzogide obere okpomọkụ, mkpuchi, polyurethane elastomers na ihe ndị ọzọ.
Nkọwapụta teknụzụ
| ihe | PET500 | PET1000 | PET2000 |
| Ọnụọgụ nkezi ibu molekụla | 400-600 | 800-1200 | 1700-2300 |
| Uru hydroxyl, mgKOH/g | 177.7~266.5 | 88.8~133.2 | 46.3~62.7 |
| Viscosity (40℃), Pa.s | ≤0.5 | ≤1.0 | ≤5.0 |
| Uru asịd, mgKOH/g | ≤0.05 | ≤0.05 | ≤0.05 |
| Nkebi oke mmiri, % | ≤0.05 | ≤0.05 | ≤0.05 |
Dee ozi gị ebe a zitere anyị ya
