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- By mechanical mixing of ABS and HPVC(high polymerization degree poly(vinyl chloride))at high temperature, polymer alloys with good overall properties are prepared. 将ABS和HPVC高温机械共混,制备了综合性能好的聚合物合金。
- Flame retardancy of a high polymerization degree PVC, plasticizer and flame retardant elastomer is studied. 研究了高聚合度聚氯乙烯树脂与增塑剂及阻燃剂共混弹性体材料的阻燃性能。
- The GPC results indicated that the polymerization degree increased with the extension of reaction tine and the molecular weight distribution was tend to be monodispersity. GPC研究结果表明随反应时间延长，聚合度增大，聚合物分子量趋于增大但分散性减小。
- The paper probes into the influencing factors of cotton linter pulp's polymerization degree under different cooking conditions. 研究了不同的蒸煮工艺条件下各因素对棉短绒浆聚合度的影响情况。
- X-ray diffraction shows that polyaniline crystal particles are formed in SF coal, which have low polymerization degree ... 衍射分析表明;苯胺在煤中聚合生成了较多低聚合度的聚苯胺晶粒;这些晶粒与SF煤发生了较为稳定的复合.
- A series of rosin pentaerythritol ester polyoxylethylene ether (RPEO) with different polymerization degree (n) of epoxy ethane (EO) were synthesized. 合成了不同聚合度的松香季戊四醇酯聚氧乙烯醚(RPEO)。
- In addition, the density and the polymerization degree of the fiber both declined appreciably because of exploding function. 而纤维的密度和聚合度由于热压和冲击波的作用有所下降。
- Poly(vinyl acetate) with low polymerization degree had been prepared through radical polymerization using AIBN as initiator in methol solution. 以甲醇为溶剂,偶氮二异丁腈(AIBN)为引发剂,采用自由基聚合方法合成了低聚合度聚醋酸乙烯酯,并对其结构进行了表征。
- The influences of such factors as PA6 content and polymerization degree, deformation stretch and recovery temperature, recovery times on the shape memory function were studied. 研究了PA6含量与聚合度、形变拉伸温度与形变回复温度及回复次数等因素对形状记忆功能的影响。
- The detergency,dispersing and wetting properties of alkyl polyglucosides with differences in chain length and average polymerization degree(DP)were evidenced. 对不同碳链和不同聚合度的烷基多苷的去污力、钙皂分散力、润湿力进行了研究和评价。
- Proportioning of catalyst and 1-decene monomer effects the conversion of oligomerization, but takes little effect with polymerization degree of 1-decene. 增加催化剂与单体的配比，可以提高转化率，但不会影响齐聚产物聚合度；
- The alloy with main materals of acrylonitrile-butadiene-styrene resin (ABS), high polymerization degree of poly(vinyl chloride) (HPVC),ACR as the compatibilizer,and with other agents was investigated. 研究了采用丙烯腈 -丁二烯 -苯乙烯树脂 (ABS) ,高聚合度聚氯乙烯 (HPVC)为主体材料 ,丙烯酸酯类共聚物改性剂 (ACR)为增容剂 ,并配以其它助剂制备 ABS/ HPVC合金。
- It is for the first time to analyze the polymerization degree of [SiO4] and [AlO6] of FBC ashes by IR,and the results show that the polymerization degree of [SiO4] and [AlO6] of FBC ashes is lower than that of PC fly ashes, especially the former. 首次用红外光谱对固硫灰渣的硅酸盐阴离子聚合度进行了分析,发现固硫灰渣[SiO4]和[AlO6]聚合度均低于粉煤灰的,尤其是[SiO4]。
- The results showed that the molecular weight of PVC resin increased, and molecular weight distribution widened, tg rose with the polymerization degree increasing, which resulted in the ris... 试验结果表明:随着聚合度的提高,PVC树脂的分子量增大,分布变宽,T升高,导致材料的加工温度升高,力学性能提高。
- The charged Pt particles were stabled with electrostatic and steric effect of PDDA and had obvious correlation with pH value of the solution, PDDA polymerization degree and PDDA content. 颗粒的稳定是PDDA长链分子的位阻效应和阳离子的静电效应协同作用的结果，其稳定能力与PDDA的聚合度、PDDA的用量以及反应体系的pH值密切相关。
- Different kind of promoter can constitutes different complexed catalytic system, with H2O more preferable than MeOH in that more conversion of oligomerization and polymerization degree is obtained. 采用不同的促进剂对反应也会有一定影响，选用水作促进剂比选用甲醇作促进剂能够得到更高的转化率和聚合度。
- The results show that Tear and Polymerization degree of Masson Pine kraft pulp are increased 13.6%and 25.9%after adding 2‰-3‰Amino sulfonic acid,and pulp brightness can remain the same level. 结果表明;添加2-3‰氨基磺酸(对绝干浆);在漂到相同白度的条件下;撕裂指数提高13.;6%25;聚合度提高25
- Abstract The system investigated are the solutions of monosilicic acid and poly silicic acids with different polymerization degrees. 摘要 本文研究的体系是单硅酸和聚合度不同的多硅酸溶液。
- A polymer of two or more different monomers. 共聚物一种由两种或多种不同单体构成的聚合物
- During the PVA process,gel effect will occur and restrict the production PVA of high polymerization degree when the viscosity of material in polymerization autoclave reach a certain value. 聚乙烯醇生产过程中,当反应体系黏度达到一定值时,会产生"凝胶效应",从而制约高聚合度产品的生产。
