1) atactic polypropylene
无规聚丙烯
1.
Characterization of high molecular weight atactic polypropylene and preliminary study on its curing properties;
高分子量无规聚丙烯的表征及其硫化性能研究
2.
Isotactic polypropylene/ CaCO_3 composites were prepared by adding interfacial modifier,maleic anhydride grafted atactic polypropylene copolymer(APP-g-MAH),which was synthesized by solution grafting copolymerization in the presence of oxygen.
在非隔氧条件下,以溶液法合成无规聚丙烯接枝马来酸酐(APP-g-MAH),以其作界面改性剂制得等规聚丙烯(IPP)/APP-g-MAH/CaCO3复合材料,并对其微观结构和力学性能进行研究。
3.
High relative molecular mass atactic polypropylene (aPP) and propylene-ethylene copolymer elastomer were synthesized with taking Cp*TiCl2N[Si(CH3)3]2/methyl aluminoxane as catalyst and heptane as solvent via homopolymerization of propylene and copolymerization of propylene and ethylene, respectively.
采用Cp*TiCl2N[Si(CH3)3]2/甲基铝氧烷新型催化体系,以正庚烷为溶剂进行丙烯均聚合及与乙烯的共聚合,得到了高相对分子质量的无规聚丙烯(aPP)及乙丙共聚物,产物经差示扫描量热法、核磁共振碳谱、动态力学分析等方法表征,并对其硫化前后的力学性能进行了研究。
4) propylene random copolymer
无规共聚聚丙烯
1.
The research and development of speciality propylene random copolymer for tubing;
无规共聚聚丙烯管材专用料的研制开发
2.
A kind of composite material was prepared through filling propylene random copolymer (PPR) with bagasse fiber that was subject to surface treatment by silane.
利用硅烷处理的甘蔗渣纤维填充无规共聚聚丙烯制备了复合材料,研究其力学性能与相态结构。
3.
Through selection and optimization the technology,a kind of colored polypropylene(PP)tubing resin was prepared with adopting propylene random copolymer as base resin and a speciality color masterbatch for tubing.
通过选择和优化工艺,采用无规共聚聚丙烯(PP-R)树脂和管材专用色母粒制备出PP-R管材着色料。
5) PPR
无规共聚聚丙烯
1.
PPR pipe is a new type construction material widely used in civilian and industrial water supply and sewerage system,but it is poor in hot and pressure resistance.
PPR(无规共聚聚丙烯)管材是广泛应用于民用和工业给排水系统的一种新型建筑材料,但存在耐热、耐压性能方面的不足。
2.
The reaction rule of PPR melt grafted Maleic anhydride (MAH) during reactiveextrusion has been studied in a specific designed grafted reactive extruder in this paper.
本文研究了无规共聚聚丙烯(PPR)在接枝型反应挤出机中接枝马来酸酐(MAH)的熔融反应规律，探索了单体MAH用量、引发剂过氧化二异丙苯(DCP)用量以及反应挤出工艺条件等对产物的接枝率和熔体流动速率的影响，从而得出制备PPR接枝马来酸酐产物(PPR-g-MAH)的最佳配方及工艺条件为：MAH 2。
6) Random Co-polypropylene
无规共聚聚丙烯
1.
Effect of Ethylene Content on Property of Random Co-polypropylene Resin;
乙烯含量对无规共聚聚丙烯薄膜树脂性能的影响
补充资料：无规聚丙烯
无规聚丙烯是生产等规聚丙烯的副产物，平均分子量3000-10000。有时可高达几万。室温下为天定形微带粘性的白色蜡状固体，相对密度0．86，软化点90-150 ℃，闪点220-230 ℃．燃点300-330 ℃，玻璃化温度＞-25℃，脆化温度-6～-15℃，拉伸强度 ＜0.784 MPa, 200 ℃开始分解。溶于烷烃、芳烃和酯类等有机溶剂，不溶乙醇、丙酮和水。由于分子量小，结构不规整、内聚力低，故机械性能和耐热性较差。
用于制取热熔胶、压敏胶、铺路胶粘剂等。储存于阴凉、通风的库房内，防火、防热。
用于制取热熔胶、压敏胶、铺路胶粘剂等。储存于阴凉、通风的库房内，防火、防热。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条