Polypropylene
MDL:
MFCD00084447
Molecular Formula:
[CH2CH(CH3)]n
Molecular Weight:
42.0804
Alias:
聚丙烯
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Polypropylene |
熔融指數(shù) 1.8/10min |
500G |
RMB 536.8 |
現(xiàn)貨 |
Polypropylene |
熔體流動(dòng)速率:3.10g/10min |
250g |
RMB 1801.8 |
Consulting service |
Polypropylene |
熔體流動(dòng)速率:3.10g/10min |
25g |
RMB 231 |
Consulting service |
Polypropylene |
熔體流動(dòng)速率:1.65g/10min |
25g |
RMB 231 |
Consulting service |
Polypropylene |
流動(dòng)速率:11.30g/10min |
25g |
RMB 200.2 |
Consulting service |
Polypropylene |
熔融指數(shù) 0.3g/10min (1.3 @5kg) |
1kg |
RMB 308 |
Consulting service |
Polypropylene |
熔融指數(shù) 2.2g/10min |
100g |
RMB 200.2 |
Consulting service |
Polypropylene |
熔融指數(shù) 2.2g/10min |
500g |
RMB 536.8 |
Consulting service |
Polypropylene |
熔融指數(shù) 35g/10min |
1kg |
RMB 308 |
Consulting service |
Polypropylene |
熔融指數(shù) 12g/10min |
1kg |
RMB 308 |
Consulting service |
Polypropylene |
熔融指數(shù) 4g/10min |
1kg |
RMB 308 |
Consulting service |
Polypropylene |
熔融指數(shù) 0.5g/10min |
1kg |
RMB 308 |
Consulting service |
Character:
聚丙烯是通過(guò)丙烯和乙烯的單體形成長(zhǎng)鏈而制得的。
在1930年乙烯被成功聚合,但直到20世紀(jì)50年代在丙烯聚合的領(lǐng)域上沒(méi)有很大進(jìn)展。這是因?yàn)楸┓肿颖纫蚁└鼜?fù)雜,在生成的主鏈可以通過(guò)三種方式結(jié)合丙烯。所有連接環(huán)的方向不是一個(gè)方向的話,聚丙烯就不會(huì)結(jié)晶化而以無(wú)定形狀態(tài)存在。 制造出一致方向結(jié)合的丙烯單體“isotactic”形態(tài)的聚丙烯的秘訣在于催化劑。使用特定催化劑,分子會(huì)按一定方向形成其鏈而結(jié)合。