聚丙烯(PP)的简述:
聚丙烯采用齐格勒-纳塔催化剂使丙烯催化聚合而得,它是分子链节排列得很规整的结晶形等规聚合物。聚丙烯英文名为Polypropylene,简称PP(以下或简称PP),俗称百折胶。聚丙烯按其结晶度可以分为等规聚丙烯和无规,等规聚丙烯为高度结晶的热塑性树脂,结晶度高达95%以上,分子量在8~15万之间,以下介绍的聚丙烯主要为等规聚丙烯。而无规聚丙烯在室温下是一种非结晶的、微带粘性的白色蜡状物,分子量低(3000~10000),结构不规整缺乏内聚力,应用较少。
PP材料的其他牌号:
Pushtrusion D-GMT LGF34-PP NAT PlastiComp, LLC PP
QR Resin QR-6010-MN32 QTR, Inc. PP
Radici Compounds PP100G10HSL Radici Plastics USA, Inc. PP
Radici Compounds PP100G10L Radici Plastics USA, Inc. PP
Radici Compounds PP100G20HSL Radici Plastics USA, Inc. PP
Radici Compounds PP100G20L Radici Plastics USA, Inc. PP
Radici Compounds PP100G30HSL Radici Plastics USA, Inc. PP
Radici Compounds PP100G30L Radici Plastics USA, Inc. PP
Radici Compounds PP100GSC10HSL Radici Plastics USA, Inc. PP
Radici Compounds PP100GSC10L Radici Plastics USA, Inc. PP
Radici Compounds PP100GSC40HSL Radici Plastics USA, Inc. PP
Radici Compounds PP100GSC40L Radici Plastics USA, Inc. PP
Ravago Compounds GFP-4413 Ravago Manufacturing Americas, LLC PP
加工方法 | · 注射成型 |
| | | |
比重 | 0.978 | g/cm3 | ASTM D792 |
收缩率 - 流动 | 0.70 | % | ASTM D955 |
| | | |
抗张强度 (断裂) | 42.7 | MPa | ASTM D638 |
伸长率 (断裂) | 3.0 | % | ASTM D638 |
弯曲模量 | 2690 | MPa | ASTM D790 |
| | | |
悬壁梁缺口冲击强度 (23°C, 3.18 mm) | 53 | J/m | ASTM D256 |
| | | |
热变形温度 (1.8 MPa, 未退火) | 129 | °C | ASTM D648 |
熔融温度 | 164 | °C | |