1) PP R pipe
无规共聚聚丙烯管
1.
According to the gist of the documents concerned of the Ministry of Construction,coating steel pipe for water in houses is forbidden in newly built residence in cities and towns from June 1,2000 and new types of pipes,such as Al plastics laminated pipe,PE X pipe and PP R pipe are popularized.
根据国家建设部等部门有关文件精神 ,自 2 0 0 0年 6月 1日起 ,在城镇新建住宅中 ,将禁止使用冷镀锌钢管用于室内给水管道 ,推广应用铝塑复合管、交联聚乙烯管、无规共聚聚丙烯管等新型管材。
2) PPR pipe
无规共聚三型聚丙烯管
3) 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。
4) 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。
5) 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
6) random copolymer of propylene
无规共聚聚丙烯
1.
Polypropylene speciality resin that met performance specification of the hot pack bottle was synthesized with taking random copolymer of propylene as base resin and introducing transparent agent in small quantity.
以无规共聚聚丙烯为基础树脂,添加少量透明剂,生产出符合热灌装瓶用树脂性能要求的专用树脂;探讨了乙烯加入比例、透明剂的品种及其添加量对专用树脂性能的影响。
2.
A kind of speciality resin, denoted as EP1D30P, for hot water pipe was prepared with taking random copolymer of propylene as basic resin into which a home-made compound auxiliary agent was introduced.
采用无规共聚聚丙烯(PP-R)EP1D30P为基础树脂,添加复合助剂,生产出PP-R热水管专用树脂EP2D30P。
3.
This paper studied the molecular chain structure, melting behaviour, molecular weight and its distribution of the imported random copolymer of propylene (PP-R) resin for tubing by means of Fourier transform infra-red spectrometry, differential scanning calorimetry, gel permeation chromatography and nuclear magnetic resonance spectrometry.
采用傅里叶变换红外光谱、热分析、凝胶渗透色谱等方法,对进口无规共聚聚丙烯管材料的分子链结构、熔融行为、相对分子质量及其分布等进行了研究。
补充资料：聚丙烯无规共聚物
分子式：
CAS号：
性质： 聚丙烯主链中无规则地插入其他共聚单体，包括乙烯、1-丁烯、1-己烯，降低其结晶性的一种改性聚丙烯。其性能随所用共聚单体类型及含量的不同而有较大差异。与均聚物相比，其透明性、抗冲击性、柔软性、低温热封性有明显的改进。乙烯含量7％(mol)的无规共聚物。密度0.89～0.9g/cm3。拉伸强度25～26MPa。弯曲弹性模量700～800MPa。悬臂梁缺口冲击强度2.5～8kJ/m2。熔点150℃。维卡软化点122～125℃。工业生产主要采用本体法、气相法，在齐格勒-纳塔催化剂或茂金属催化剂作用下，由丙烯与乙烯或1-丁烯、1-己烯聚合而成。用于薄膜、吹塑和注塑，主要是食品、药物、织物包装，作复合膜的密封层。
CAS号：
性质： 聚丙烯主链中无规则地插入其他共聚单体，包括乙烯、1-丁烯、1-己烯，降低其结晶性的一种改性聚丙烯。其性能随所用共聚单体类型及含量的不同而有较大差异。与均聚物相比，其透明性、抗冲击性、柔软性、低温热封性有明显的改进。乙烯含量7％(mol)的无规共聚物。密度0.89～0.9g/cm3。拉伸强度25～26MPa。弯曲弹性模量700～800MPa。悬臂梁缺口冲击强度2.5～8kJ/m2。熔点150℃。维卡软化点122～125℃。工业生产主要采用本体法、气相法，在齐格勒-纳塔催化剂或茂金属催化剂作用下，由丙烯与乙烯或1-丁烯、1-己烯聚合而成。用于薄膜、吹塑和注塑，主要是食品、药物、织物包装，作复合膜的密封层。
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