mass polymerization

英 [mæs ˌpɒliməraɪˈzeɪʃn] 美 [mæs ˌpɑːlimərəˈzeɪʃn]

本体聚合法;大块聚合法

化学



双语例句

  1. The effects of reaction temperature, mass of surfactant, mass of initiator and mass of PSG on the polymerization conversion were investigated.
    考察了聚合温度、乳化剂用量、引发剂用量和PSG用量对细乳液聚合转化率的影响。
  2. Polytetrahydrofuran ( PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.
    以发烟硫酸-高氯酸为催化剂,通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃(PTHF)。
  3. When the mass fraction of reused water ( to total water) was30%, the polymerization time was prolonged, Mooney viscosity was increased and the mechanical properties of the rubber got poor.
    占总用水质量分数30%的冷凝水被回用于聚合体系时使反应时间延长,产物门尼黏度偏高,力学性能不佳;
  4. Influence of AA content, mass ratio, polymerization method and reaction temperature was investigated to optimize the polymerization process.
    研究了丙烯酸含量、单体配比、加料方式、反应温度等条件对树脂性能和涂膜性能的影响,确定了最佳合成工艺。
  5. Carboxylated latex of vinylidene chloride ( VCD)-butadiene-styrene with 23%~ 43% ( mass) of VDC was prepared using seed polymerization process in the presence of initiator ammonium persulfate and emulsifier lauryl sodium sulfate.
    以过硫酸铵为引发剂,十二烷基硫酸钠为乳化剂,采用种子聚合工艺,合成了偏氯乙烯质量分数为23%~43%的羧基偏氯乙烯丁苯胶乳。
  6. Results show that mass polymerization route has advantages of high yield, simple reaction procedure and low energy consumption.
    研究表明,采用本体聚合工艺具有收率高、工艺简单及能耗少等优点;
  7. Synthesis of low relative molecular mass trans-1, 4-polyisoprene wax by solution polymerization with supported titanium catalyst
    溶液聚合法合成低分子反式-1,4-聚异戊二烯蜡
  8. The relative molecular mass of the PE resin remarkably went up as the polymerization temperature lowered, e.g. its weight average molecular weight attained ( 16-60)× 104 in the temperature range from 0 to 60 ℃.
    PE的相对分子质量随聚合温度的下降有明显增大,在0-60℃时重均分子量为(16-60)×104。
  9. And the four effect factors, such as temperature, time, concentration of initiator and mass ratio of acrylamide to starch, on the polymerization ratio, graft ratio and graft efficiency were discussed.
    同时考察了反应温度、引发剂浓度、反应时间、单体与淀粉质量比四个因素对反应聚合率、接枝率和接枝效率的影响。
  10. The relative molecular mass and distributions of de-gree of polymerization were obtained.
    得到了均聚芳香硫酚环状低聚物的相对分子质量及其分布信息;
  11. This paper studied catalytic performance and kinetic behaviour of spherical MgCl_2-supported catalyst in polymerization process of ethylene. The effects of heat transfer, mass transfer, temperature and pressure on behaviour of the catalyst in the polymerization process were analyzed.
    考察了球形MgCl2载体催化剂在乙烯聚合过程中的催化性能和动力学行为,分析了聚合过程的传热、传质和温度、聚合压力对催化剂行为的影响。
  12. The effects of initiators and thermal initiation on a reaction rate, molecular weight and molecular weight distribution of products in a mass polymerization of styrene were investigated.
    考察了热引发方式和不同种类、浓度下的引发剂引发方式在苯乙烯的本体聚合中对聚合反应速率和产品的分子量及其分子量分布的影响。
  13. Based on the fact that the logarithm value of furfural mass concentration has good linear relationship with cellulose polymerization degree reflecting insulation paper aging, this paper describes the empirical formula for calculating cellulose polymerization degree. The accuracy of the formula is verified by examples.
    根据糠醛的质量浓度值取对数后与代表绝缘纸老化程度的纤维素聚合度之间有较好的线性关系的情况,介绍了计算纤维素聚合度的经验公式,并列举了实例验证公式的准确程度。
  14. The experiments results shows that any mass, except polymerization inhibitor, has synergetic effect with catalyst and enhanced viscosity reduction rate of extra-heavy oil.
    实验结果证明,除阻聚剂外,其它各物质均可与催化剂产生协同作用,不同程度地提高了稠油的降粘率。
  15. Last, this thesis analyzes the influence of the vacuum, the reaction temperature, the reaction time and the quantity of catalyst ( Sn ( Oct)_2) used on the molecular mass of polymers produced during the process of polymerization of the purified 1-lactide.
    最后,考察了提纯后的L-丙交酯在以Sn(Oct)2为催化剂的聚合过程中,真空度、聚合温度、聚合时间以及催化剂用量对聚合产物聚L-乳酸分子量的影响。
  16. The effects of monomer mass ratio, quantity of initiating agent in the process of polymerization, exclusive use of bipolymer and compound use of bipolymer on the solidifying point reduction have been studied for 0# diesel oil in No.
    考察了在聚合过程中单体配比、引发剂用量以及共聚物单独使用时和复配使用对抚顺石油二厂0柴油的降凝效果。
  17. During production of polypropylene with intermittent liquid-phase mass polymerization, there produced a lot of wastewater containing drain off water from annular pump, chilled water for shaft seal and overflow from hot-water tank.
    在利用间歇式液相本体法工艺生产聚丙烯时,易产生大量废水,包括闪蒸水环真空泵排放水、聚合釜轴封冷却水排放水、聚合升温用热水罐溢流水等。
  18. Comprehensive Modification of Mass Polymerization Powder Polypropylene
    本体法粉末聚丙烯的综合改性
  19. Because of emitting off mass heat, polymerization is done under low temperature conditions in order to fall reaction velocity and get high molecular weight.
    聚合α&烯烃散热量大,采用本体聚合方法必需解决好此问题,这就需要在低温条件下聚合,控制反应速度,提高产物分子量。
  20. Improvement of the Control of Polymerization Process for Liquid Mass Polymerization Polypropylene Unit
    液相本体法聚丙烯装置聚合过程控制方案的改进
  21. Hazard Analysis of Polypropylene Plant with Mass Polymerization and its Countermeasure
    本体法聚丙烯装置危险性分析及应对措施
  22. After analyzing the properties of the integrals, the effective integration area for the solution equations is established, so the speed of calculation is increased. Theoretical data for the relative molecular mass distribution of styrene bulk polymerization have been obtained in good agreement with experimental results.
    分析积分函数的性质,确定了有效积分区间,提高了计算速度,给出苯乙烯本体聚合反应物相对分子质量分布的理论计算结果,与实验结论一致。
  23. Study on Gas-Liquid Mass Transfer in Self-Suctioning Polymerization Reactor with Agitator
    立式聚合釜气液传质特性的研究
  24. A comparison between initiators and thermal initiation in the mass polymerization of styrene
    引发剂引发与热引发在苯乙烯本体聚合中的比较
  25. The effects of chloroprene conversion, relative molecular mass adjuster concentration, residual chloroprene content, graft polymerization temperature, and CR/ MMA ratio on graft percent and the copolymer properties were investigated.
    研究了氯丁二烯转化率、相对分子质量调节剂用量、残留氯丁二烯含量、接枝聚合温度、MMA用量等对接枝共聚物溶解性和接枝率的影响。
  26. These agents can be divided into two major classes based on their effect on microtubule polymerization and the mass of microtubule polymers: those that inhibit polymerization, such as the vinca alkaloids and those that stabilize microtubules, such as the taxanes and epothilones.
    根据对微管作用的不同将药物分为两类:抑制微管蛋白聚合的药物,如长春碱类;稳定微管的药物,如紫杉烷类和埃坡霉素类。