The average polymerization degree of cellulose cotton pulp was measured as 546 - 556 by this method.
利用该方法测得的纤维素棉浆粕的平均聚合度为546-556;
PVC thermoplastic elastomer (TPVC) was prepared by plasticization, blending and compounding of high polymerization degree PVC, and its impact resilience and compression properties were investigated.
采用高聚合度PVC与增塑剂等共混、复配制备了PV C热塑性弹性体(TPVC),对TPVC的沖击回弹和压缩性能进行了研究。
The controlling methods of polymeric dispersant with low polymerization degree and narrow molecular weight distribution were introduced.
介绍了低聚合度、窄分子量分布的聚合物分散剂的控制方法。
The conclusions can been gotten through the above experimental results as follows: (1) higher boron concentration of solution is helpful in the formation of higher polymerization degree borate.
通过以上实验结果得出了以下结论:(1)合成溶液中硼酸浓度越大,硼酸钙中硼氧配阴离子的聚合度越大。
The result of the apparent viscosity analysis indicated that the polymerization degree of the chitin molecule was maintained well through the normal temperature, process.
表观粘度分析结果表明常温处理可较好地维持甲壳素分子的聚合度。
The effects of the polymerization degree and conversion rate of the feedstocks on the high-strength high-modulus poly- vinyl alcohol fiber were studied.
研究了纺丝原料聚合度、转化率对聚乙烯醇(PVA)纤维高强高模化的影响。
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 influence of the modifiers DOP, MRS & ACR on the processing characteristics and mechanical properties of high polymerization degree PVC material is studied.
研究了DOP,MBS,ACR改性剂对高聚合度聚氯乙烯加工性能和改性体系力学性能的影响。
Effects of various factors on reaction rate and polymerization degree of ethylene oxide on properties of products were discussed. The IR spectroscopy and thermal stability were also discussed.
探讨了不同因素对反应速度及环氧乙烷聚合度对产物性能的影响,分析了产物的红外光谱及热重曲线。
The results showed that the polymer with 1 of polymerization degree had the fastest imidization rate;
聚合度为1的聚酰胺酸的链段运动能力强,反应速率快;
In connection with the poor processibility of high polymerization degree poly (vinyl chloride), chemical and physical methods for improving its processibility were reviewed in this paper.
针对高聚合度聚氯乙烯加工性能较差的缺点,综述了改进其加工性能的化学和物理方法。
The results show that tensile strength, glass transition temperatures, molecular weights and number averaged polymerization degree of the polycarbonate decreased with the dose.
结果表明,聚碳酸酯材料的力学性能、玻璃化温度、分子量和数均聚合度均随吸收剂量的增加而下降;
The miscibility of the system become worse when the polymerization degree of polystyrene has been increased.
随着聚苯乙烯聚合度增大,体系相容性变差;