
A na-eji obere nkesa ibu molekul, ezigbo ihe mkpuchi na ezigbo mgbanwe eme ihe.
A pụrụ iji ya mee ihe n'ime ite, ihe nrapado, ihe mkpuchi, ihe mkpuchi mmiri na ihe nrapado pụrụ iche. A pụrụ iji ya mee ka ọ dị ka hydrogen, mgbe a gbasasịrị ya, ọ ka na-ejigide mmiri mmiri n'ime ụlọ, ma na-eguzogide ihu igwe ka mma.
Nkọwapụta teknụzụ
| ihe | Nkọwapụta teknụzụ | |
| Uru hydroxyl, mmol/g | 0.6-0.65 | 0.9-0.95 |
| Ibu molekụla | 3000 | 2000 |
| Ọdịnaya Vinyl 1,2,% | Afọ 50-70 | Afọ 50-70 |
| Viscosity (40℃), Pa-s | <15 | <10 |
| Nkebi oke mmiri, % | <0.05 | <0.05 |