Phthalic anhydride Polyester polyol
Taxanaha polyols-ka waxay u badan yihiin polyester polyester-ka udgoon oo lagu diyaariyey polycondensation ama wax ka beddelka phthalic anhydride, diethylene glycol iyo walxo kale oo ceeriin ah.Inta badan waxaa loo isticmaalaa beerta xumbo adag iyo xabagta.Waxay leeyihiin faa'iidooyinka urta yar, midabka hooseeya, dhaqdhaqaaqa falcelinta sare, xasilloonida hydrolysis aad u fiican, maadada udgoonka sare leh, xasilloonida wanaagsan iyo dareeraha walxaha isku dhafan, iyo qaab-dhismeedka sheyga ayaa lagu hagaajin karaa iyadoo loo eegayo shuruudaha macaamiisha.
Taxanaha polyester-ka ayaa si weyn loogu isticmaali karaa qaboojiyaha, kaydinta qabow, buufinta, tamarta qorraxda, dhuumaha kulaylka, dahaarka dhismaha iyo meelaha kale ee ka kooban xumbo adag, qaar ka mid ah alaabta xabagta.
| taxane | Walxaha | Qiimaha Hydroxyl (mgKOH/g) | Qiimaha aysiidhka (mgKOH/g) | Biyaha ku jira () | viscosity heerkulka qolka (25 ℃, cps) |
| Taxanaha phthalic anhydride iyo asiidh dibasic kale oo udgoon | PE-B175 | 170-180 | ≤1.0 | ≤0.05 | 9000-13000 |
| PE-B503 | 300-330 | ≤1.0 | ≤0.05 | 2000-4000 | |
| PE-D504 | 400-450 | ≤2.0 | ≤0.1 | 2000-4000 | |
| PE-D505 | 400-460 | ≤2.0 | ≤0.1 | 2000-4000 |
