1)prepolymerization预聚
1.Engineering Research in Prepolymerization Process of Polycarbonate Synthesis Through Melt Transesterification;聚碳酸酯熔融酯交换法预聚过程的工程研究
2.The effects of prepolymerization and postcure temperature on the dielectric performance of bismaleimide-cyanate ester copolymer are investigated in this article.研究了预聚工艺和后固化温度对双马来酰亚胺/氰酸酯共聚物介电性能的影响。
英文短句/例句
1.low free TDI prepolymer低游离TDI预聚体
2.Synthesis of PU Resin with Prepolymer s Method;预聚法合成湿式聚氨酯(PU)树脂
3.Preparation of Poly-1-Dodecene Drag Reducer by Bulk Prepolymerization本体预聚合法制备聚1-十二烯减阻剂
4.Study on synthesis of polysiloxane urethane acrylate oligomer有机硅聚氨酯丙烯酸酯预聚物的合成
5.Study on the Synthesis and Application of Polyurethane Acrylate Prepolymer聚氨酯丙烯酸酯预聚体的合成及应用
6.Engineering Research in Prepolymerization Process of Polycarbonate Synthesis Through Melt Transesterification;聚碳酸酯熔融酯交换法预聚过程的工程研究
7.Chain Extension and Formation of Dispersion Particle Based on Polyurethane Prepolymer聚氨酯预聚体分散体胶粒的形成与扩链
8.Synthesis and characterization of isocyanate-terminated polyurethane prepolymer端异氰酸酯基聚氨酯预聚体的合成与表征
9.The synthesis and characterization of polyurethane modified with siloxane有机硅改性聚氨酯预聚体的制备及表征
10.Content Test of Isocyanate Group in Polyurethane Prepolymer聚氨酯预聚体中异氰酸酯基团含量的测定
11.Styrene mini-emulsion polymerization co-stabilized by predissolved fluoropolymer以含氟预聚物为助稳定剂的苯乙烯细乳液聚合
12.Preparation and Properties of Soya Bean Oil Based Polyurethane Prepolymer大豆油基聚氨酯预聚体的制备及其性能研究
13.Study on photopolymerization property of photosensitive polysiloxane urethane acrylate oligomer光敏有机硅聚氨酯丙烯酸酯预聚体光聚合性能的研究
14.Rate of the Miniemulsion Polymerization Costabilized by Pre-polymer PMMA聚甲基丙烯酸甲酯预聚物作为助稳定剂的细乳液聚合速率研究
15.Types and dimensions of prefocus capsGB/T2800-1981预聚焦式灯头的型式和尺寸
16.Gauges of prefocus capsGB/T6998-1986预聚焦式灯头的量规
17.Research on Synthesis of Lactic Acid Prepolymer by Melt Polycondensation and Its Chain Extension;熔融法合成乳酸预聚物及其扩链研究
18.Prediction models of migration and accumulation coefficient for petroleum migration and accumulation unit油气运聚单元石油运聚系数的预测模型
相关短句/例句
pre-polymerization预聚
1.Study on application of N catalyst for propylene polymerization I. Effects of pre-polymerization and pre-compounding on the polymerization of propylene with N catalyst;N催化剂在丙烯聚合反应中的应用 Ⅰ.预聚与预络合对N催化剂聚合性能的影响
2.A novel light scattering polymeric material was prepared by pre-polymerization and in-situ polymerization.将苯乙烯预聚物加入到甲基丙烯酸甲酯单体中进行原位聚合,制备透明、高散射、导光聚合物材料。
3.This article is about the technics of Synthesis of High-Molecular-weight Poly(L-lactic acid) by Direct melt Polycondesation,which is to use the two procedures--- pre-polymerization and melt polycondensation to make the PLLA.采用乳酸脱水预聚、熔融缩聚的两步法来制备聚乳酸。
3)prepolymer预聚物
1.Then the characterization of CTBN/EP prepolymers and properties of CTBN/EP/PEA curings were investigated.用液体端羧基丁腈橡胶(CTBN)对环氧树脂(EP)进行改性,合成了CTBN/EP预聚物,FT-IR分析表明,在反应中EP的环氧基开环后与CTBN的羧基反应生成了酯键。
2.Introduced the synthetic principle and method,the performance and application of polyurethane acrylate prepolymer are also discussed.简述了一种重要的紫外光固化用基础材料——聚氨酯丙烯酸酯预聚物(PUA)的合成原理及合成方法,并讨论了其性能特点和应用。
3.In the near future, several large bases for manufacturing commercial prepolymers by distillation process should be established, meanwhile, various production processes and various production technologies should be created and be in harmony, so that technology stan.今后应抓紧建立几个规模化的蒸馏法生产预聚物商品的基地,同时坚持技术发展的多样性与技术、产品间的交流融通,积极创造条件把游离TDI限量的技术标准提升到更接近国际先进水平。
4)Prepolymer预聚体
1.Preparation of moisture-curable type polyurethane prepolymer;湿固型聚氨酯胶粘剂预聚体的研制
2.Preparations and property of UV curable polyurethane acrylates prepolymer;UV固化聚氨酯丙烯酸酯预聚体的合成及其性质
3.Preparation of prepolymer for soft PU elastomer and its application;软质PU弹性体用预聚体的制备及其应用
5)prepolymerization reaction预聚反应
1.A kind of waterborn polyurethane is synthesized by the reaction of diisocyanate with polyethylene glycol at the presence of end capping reagent;The factors that affect the blocking reaction and prepolymerization reaction were investigated.以二异氰酸酯、聚醚多元醇为原料,利用二异氰酸酯和聚乙二醇在封端剂的存在下合成了一种水性聚氨酯;探讨了影响预聚反应和封端反应的因素。
2.The influence of reaction temperature, used solvents and catalysts on the prepolymerization reaction was investigated.研究了反应温度、溶剂、催化剂及用量对预聚反应的影响。
3.The results indicated that the optimum reaction temperature of prepolymerization reaction was 75℃,the maximum reaction temperature of prepolymer was between 60℃ and 80℃,the quantity of hydrophilic chain extender was equal to 5% of feedstocks.以甲苯二异氰酸酯(HDI)、聚酯多元醇和二羟甲基丙酸(DMPA)为主要原料合成水性聚氨酯固色剂,研究了反应温度、聚酯多元醇、有机溶剂、亲水扩链剂等对预聚反应的影响。
6)HDI pre-polymerHDI预聚物
延伸阅读
氨基甲酸酯预聚物分子式：CAS号：性质：是指含有NCO端基的预聚物，它可通过与空气中潮气的反应生成脲键而固化成膜，也可加胺催化固化成膜，主要用于制备聚氨酯地板清漆、木器家具漆等。
