用正电子湮没技术研究在聚四氟乙烯辐照接枝过程中的自由体积与正电子湮没寿命谱的关系。
The positron annihilation technique was applied to study the relation between relative free volume and irradiated graft for PTFE.
研究了聚丙烯(PP)与马来酸酐(MAH)的接枝配方;并且探索了接枝反应过程中PP自由基的降解抑制方法。
The graft recipe of maleic anhydride (MAH) onto PP was studied, and the decomposition inhibition method on PP radical during grafting reaction process was explored.
采用在熔融挤出过程中提高双螺杆挤出机螺杆转速的方法,研究了机械力引发马来酸酐(MAH)熔融接枝弹性体poe的接枝反应。
Grafting of maleic anhydride (MAH) onto POE performed in melting state through mechanical force initiation by increasing the screw rotation speed of twin-screw extruder was studied.
接枝反应动力学曲线与接枝反应过程的机理和特征相吻合。
Reaction kinetics accords with mechanism and characteristic of grafting reaction.
研究了不同螺杆构型的混合性能以及低密度聚乙烯熔融接枝马来酸酐的过程,探讨了不同螺杆构型的混合性能与接枝反应接枝率的关系。
The mixing performance of different screw configurations of a co-rotating twin screw extruder and the grafting reactive extrusion of PE-LDg-MAH were investigated.
本文较详细地介绍了表层低交联度聚苯乙烯树脂及接枝聚苯乙烯树脂的制备过程及它们的一些物理性质。
The preparation of thin layer polystyrene resin and grafted polystyrene resin as well as their physical properties have been described in detail.
本文较详细地介绍了表层代交联度聚苯乙烯树脂及接枝聚苯乙烯树脂的制备过程及它们的一些物理性质。
The preparation of thin layer polystyrene resin and grafted polystyrene resin aswell as their physical properties have been described in detail.
FTIR谱图分析表明,共聚过程中,有机硅氧烷已经接枝到丙烯酸酯聚合物分子链上,并且改变了共聚树脂的性能。
It has shown, by use of FTIR analysis, that during copolymerization, silicone is grafted onto the acrylic polymer chain, and modified the properties of the copolymer resin.
本发明变性淀粉的制作过程经 过接枝、交联和氧化的多元反应。
The production method of the modified starch is a complex reaction of grafting, cross-linking and oxidizing.
叙述了氯丁橡胶与甲基丙烯酸甲酯接枝聚合的反应原理,胶粘剂溶液的配方以及制造工艺操作过程。
It relates to reaction principle of cr with methyl-acrylate graft polymerization, formulation of adhesive solution and manufacturing technology.
实验结果表明,链转移法合成含氯接枝共聚物过程中,反应温度、反应时间、引发剂浓度、氯含量及单体含量是重要的影响因素;
The results show: that the effects of chlorine content of CPE, reactive time, initiator concentration and monomer concentration on the reaction are critical;
实验结果表明,链转移法合成含氯接枝共聚物过程中,反应温度、反应时间、引发剂浓度、氯含量及单体含量是重要的影响因素;
The results show: that the effects of chlorine content of CPE, reactive time, initiator concentration and monomer concentration on the reaction are critical;
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