聚偏二氯乙烯(PVDC)、PE、 PVC 三聚合物的结晶能力的强弱顺序为
A: PE>;PVC>; PVDC
B: PVDC >; PE >; PVC
C: PE >; PVDC >; PVC
D: PVDC >; PVC >; PE
A: PE>;PVC>; PVDC
B: PVDC >; PE >; PVC
C: PE >; PVDC >; PVC
D: PVDC >; PVC >; PE
举一反三
- PE、PVC、PVDC(聚偏二氯乙烯)结晶能力的强弱顺序为 A: PE>PVC>PVDC B: PVDC>PE>PVC C: PVC>PE>PVD D: PE>PVDC>PVC
- PE、PVC、PVDC结晶能力的强弱顺序为 A: PE>PVC>PVDC B: PVDC>PE>PVC C: PE>PVDC>PVC D: PVC>PE>PVDC
- PE,PVC,PVDC结晶能力强弱顺序是()。 A: PE>PVC>PVDC B: PVDC>PE>PVC C: PE>PVDC>PVC
- PE、PVC、PVDC的结晶能力大小顺序是 A: PE>PVDC>PVC B: PE>PVC>PVDC C: PVDC>PE>PVC D: PVDC>PVC>PE
- 下列聚合物结晶能力强弱排序正确的是( )。 A: PE>PVC>PVDC B: PVDC>PE>PVC C: PE>PVDC>PVC D: PVDC>PVC >PE