聚丙烯(PP)的化学性能:
PP(聚丙烯)的化学稳定性很好,除了强氧化剂和非极性溶剂能使PP降解外,(例:浓硫酸、浓硝酸、发烟硫酸、发烟硝酸、铬酸溶液、卤素、苯、四氯化碳、氯仿),PP对化学侵蚀有很强的抵抗力。 浓度较低的溶液则对PP无害。但低分子量的脂肪烃、汽油、二甲苯、氯化烃等能使PP(聚丙烯)软化和溶胀。共聚物溶胀程度比均聚物高。PP从这类溶剂中取出后,其尺寸又会恢复原状。由于PP表面惰性极大,如果不采用火焰处理或类似技术,很难在PP上进行印刷、涂漆及粘合。
PP材料的其他牌号:
Petrotene PP A3 G40 NTLA010 PH306 Petropol Industry and Trade of Polymers LTDA PP
Petrotene PP A3 T10 AML PH314 Petropol Industry and Trade of Polymers LTDA PP
Petrotene PP A3 T20 BRC0001 PH344 MSP Petropol Industry and Trade of Polymers LTDA PP
Petrotene PP A3 T20 PRTA010 PH336 MSP Petropol Industry and Trade of Polymers LTDA PP
Petrotene PP A3 T35 PRTA011 PH355 Petropol Industry and Trade of Polymers LTDA PP
Petrotene PP A3 T40 BRCA005 PH322 Petropol Industry and Trade of Polymers LTDA PP
Petrotene PP T3 CINZA 7743 SB28 PH341 Petropol Industry and Trade of Polymers LTDA PP
PLASTRON PP-GF20-02 Daicel Polymer Ltd. PP
PLASTRON PP-GF30-02 Daicel Polymer Ltd. PP
PLASTRON PP-GF40-02 Daicel Polymer Ltd. PP
PLASTRON PP-GF50-02 Daicel Polymer Ltd. PP
Polifil PP CAS-40 The Plastics Group PP
Polifil PP HM-20 The Plastics Group PP
Polifil PP HM-40 The Plastics Group PP
Polifil PP RMT-20V The Plastics Group PP
Polifil PP RMT-40V The Plastics Group PP
加工方法 | |
| | | |
比重 | 1.23 | g/cm3 | ASTM D792 |
熔流率 | 3.0 | g/10 min | ASTM D1238 |
收缩率 - 流动 | 0.60 | % | ASTM D955 |
| | | |
洛氏硬度 (R 计秤) | 95 | | ASTM D785 |
| | | |
抗张强度 (屈服) | 36.5 | MPa | ASTM D638 |
弯曲模量 | 5270 | MPa | ASTM D790 |
| | | |
悬壁梁缺口冲击强度 | 27 | J/m | ASTM D256 |
无缺口悬臂梁冲击 | 170 | J/m | ASTM D256 |
落锤冲击 | 0.655 | J | ASTM D3029 |
| | | |
热变形温度 (0.45 MPa, 未退火) | 127 | °C | ASTM D648 |
| | | |
螺筒后部温度 | 193 到 204 | °C | |
螺筒中部温度 | 199 到 210 | °C | |
螺筒前部温度 | 204 到 216 | °C | |
射嘴温度 | 210 到 221 | °C | |
模具温度 | 48.9 到 65.6 | °C | |
注塑温度 | 82.7 到 110 | MPa | |
注射速度 | 中等偏快 | | |
背压 | 0.345 | MPa | |