1) relative molecular weight and its distribution
相对分子质量及其分布
1.
Thephysical property,relative molecular weight and its distribution, sequence structure of polymer molecule chain andrheological performance were tested and analyzed respectively.
以几种不同国内外厂家生产的双向拉伸聚丙烯(BOPP)专用料为研究对象,从聚合物的基本物性、相对分子质量及其分布、聚合物分子链的序列结构、流变性能等方面进行测试和表征,从而得到各种BOPP专用料的性能参数,揭示和比较它们在物性和结构之间的异同,指导BOPP专用料的生产。
2) relative molecular mass and its distribution
相对分子质量及其分布
1.
Based on the analysis of process conditions which influenced the melt flow rate(MFR),isotacticity,relative molecular mass and its distribution of the product,the optimal indexes and countermeasures were proposed.
通过分析影响产品熔体流动速率(MFR)、等规度、相对分子质量及其分布等主要物性的工艺条件,提出优化指标及措施如下:控制产品的MFR为0。
3) molecular weight and distribution
分子量及其分布
1.
The results show that the molecular weight and distribution of PCS can be roughly controlled by synthesis conditions.
采用高温高压法合成了聚碳硅烷(PCS),通过改变合成条件与减压蒸馏温度的方法对PCS分子量及其分布进行调控。
2.
The methods of precipitation and blending to adjust the molecular weight and distribution of polycarbosilane(PCS) synthesized at high temperature under high pressure were investigated in the paper.
研究了沉淀与复配两种调控高压合成聚碳硅烷(PCS)分子量及其分布的方法。
4) molecular weight and its distribution
分子量及其分布
1.
The solubility parameter, molecular weight and its distribution of styrene butadiene rubber (SBR) were measured with the turbidity titration method, balance swelling technique, intrinsic viscosity method and gel permeation chromatography (GPC) in this paper.
采用浊度滴定法、平衡溶胀法、粘度法和凝胶渗透色谱法 (GPC)测定了丁苯橡胶 (SBR)的溶解度参数 (δ)、分子量及其分布 ,其 δ分别为 17。
2.
The experimental results showed that the molecular weight and its distribution is restrained by the reaction mass's ratio, reaction temperature, and the different addition of reaction promoter, molecular weight regulator and additive, the correspinding product's scale inhibitive perfomance of Water Stabiliser is different.
结果表明 :单体配比、反应温度、引发剂、分子量调节剂和添加剂的不同用量对分子量及其分布都有制约作用 ,相应的水质稳定剂产品的阻垢性能也不
3.
The results show that the ZnEt 2 has evident effect on microstructure, molecular weight and its distribution of PB with n BuLi as initiator, but the addition of ZnEt 2 to n BuLi DPE(or TMEDA) sy.
结果表明，在ｎ－ＢｕＬｉ－ＺｎＥｔ２引发体系中，ＺｎＥｔ２的用量对ＰＢ微观结构、分子量及其分布影响均不太明显；在ｎ－ＢｕＬｉ－ＤＰＥ（或ＴＭＥＤＡ）－ＺｎＥｔ２体系中，ＺｎＥｔ２的加入，导致ＰＢ的１，２－结构含量、分子量、聚合速度均明显下降，求得了表观增长速率常数ｋｐ″，偶联法能合成产生微观相分离的１，２－１，４－１，２三嵌段ＰＢ。
5) molecular weight and molecular weight distribution
分子量及其分布
1.
The molecular weight and molecular weight distribution of polymers were characterized by means of GPC,and shear stability of the polymer solution was investigated by means of ultrasonic instrument and rotary viscosimeter.
并用凝胶渗透色谱(GPC)测定了其聚合物的分子量及其分布;用旋转粘度计和超声波仪研究了其聚合物溶液的抗剪切稳定性。
6) relative molecular mass distribution
相对分子质量分布
1.
Determination of relative molecular mass distribution of poly(phenylene sulfide) using computer simulations;
聚苯硫醚相对分子质量分布的计算机模拟测定
2.
Study on relative molecular mass distribution of low cis-1,4 -polybutadiene rubber by GPC;
GPC法研究低顺式聚丁二烯相对分子质量分布
3.
Synthesis of high cis-1,4-polybutadiene with narrow relative molecular mass distribution by homogeneous neodymium-based catalyst;
均相钕系催化剂合成窄相对分子质量分布的高顺式-1,4-聚丁二烯
补充资料：相对分子质量
分子式：
CAS号：
性质：简称分子量(molecular weight)。物质的分子或特定单元的平均质量与核素12C原子质量的1/12之比。符号Mr。某分子的相对分子质量等于该分子中各原子的相对原子质量之和。例如氢的相对原子质量为1.00797，氧的相对原子质量为15.9994，故水分子的相对分子质量Mr(H2O)=1.00797×2+15.9994=18.01534。
CAS号：
性质：简称分子量(molecular weight)。物质的分子或特定单元的平均质量与核素12C原子质量的1/12之比。符号Mr。某分子的相对分子质量等于该分子中各原子的相对原子质量之和。例如氢的相对原子质量为1.00797，氧的相对原子质量为15.9994，故水分子的相对分子质量Mr(H2O)=1.00797×2+15.9994=18.01534。
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参考词条