Ngwaahịa
Polyether PET Polyether Ọpụrụiche - Arọ Molecular dị ala
Njirimara na ojiji
Ọ bụ mmiri mmiri na ụlọ okpomọkụ, nke dị mma iji na nhazi. Igwe mgbanwe okpomọkụ nke -80 ℃, na arụmọrụ dị ala dị ala, ihe eji arụ ọrụ nke ngwaahịa elastomer ya na PTMG dị nso na PTMG, nwere ike dochie PTMG na gburugburu ebe okpomọkụ dị ala.
Site na ngbanwe dị mma nke mkpụrụ ndụ ihe nketa, ọ nwere ike dochie PTMG na akpụkpọ anụ arụ ọrụ na-agbanwe agbanwe na ink mbipụta; enwere ike iji ya na nrapado na-eguzogide obere okpomọkụ, mkpuchi, polyurethane elastomers na ihe ndị ọzọ.
Nkọwa nka na ụzụ
| Ihe | PET500 | PET 1000 | PET 2000 |
| Ọnụọgụ nkezi ịdị arọ molekụla | 400-600 | 800-1200 | 1700-2300 |
| Uru Hydroxyl, mgKOH/g | 177.7-266.5 | 88.8 ruo 133.2 | 46.3-62.7 |
| Viscosity (40 ℃), Pa.s | ≤0.5 | ≤1.0 | ≤5.0 |
| Uru acid, mgKOH/g | ≤0.05 | ≤0.05 | ≤0.05 |
| Iberibe oke mmiri,% | ≤0.05 | ≤0.05 | ≤0.05 |
Dee ozi gị ebe a ziga anyị ya
