英语释义

1. a stable usually partially polymerized chemical intermediate that can be fully polymerized at a later time — compare monomer

片语

urethane prepolymer氨基甲酸酯预聚物

polysulfide prepolymer聚硫橡胶预聚体

preformed polymer预聚物

bismaleimide prepolymer双马来酰亚胺预聚体

triglyceride prepolymer三甘油酯预聚物

phthalonitrile prepolymer邻苯二甲腈预聚物

314 prepolymer预聚物

random prepolymer无规预聚物

prepolymer liquidity预聚物流动性

SPU prepolymerSPU预聚体

英汉例句

• Then, the prepolymer was neutralized by using triethylamine, and dispersed in water by force. Finally, using ethylene diamine as chain extenders, the waterborne polyurethane emulsion was obtained.

  用三乙胺中和成盐，将预聚体强制分散于水中，并用乙二胺扩链，最终制得水性聚氨酯乳液。

• A high solid elastic polyurethane prepolymer has been prepared based on MDI, PAPI, HDI, IPDI and polyester polyols and polyether polyols.

  采用MDI、PAPI、HDI、IPDI等不同的异氰酸酯和聚酯多元醇、聚醚多元醇等反应，制备高固体分的聚氨酯弹性体预聚物。

• The effects of the amounts of three blocking agents, temperature and time on blocking reaction for prepolymer are discussed.

  讨论了三种封闭剂不同加量、温度和时间对聚氨酯预聚体封闭反应的影响。

• The results showed that the terminated prepolymer was prepared by introducing ethylene glycol alkyl ether as a capping agent into the reaction system of castor oil and tolylene diisocyanate (TDI).

  结果表明，采用蓖麻油与甲苯二异氰酸酯（TDI）反应，加入封端剂乙二醇烷基醚类，得到封端型聚氨酯预聚体。

• Both effects of soft segment molecule weight and various NCO content of prepolymer on physical mechanical properties of dry films and effects of neutralizer type on emulsion properties were studied.

  研究了软段相对分子质量、预聚体的NCO含量对其干膜物理机械性能的影响以及中和剂种类对乳液性能的影响。

• During the course of making prepolymer of CPU prepolymers with different content of m NCO % had different qualities and different duration.

  研究了聚氨酯预聚体合成过程中，-NCO其含量对预聚体性质的影响，考察了聚氨酯预聚体贮存时间与性能的关系。

• The preparation methods for aqueous polyurethane are introduced briefly. The properties of products prepared by acetone process and prepolymer mixing process are compared.

  简述水性聚氨酯制备方法，并对丙酮法和预聚物分散法所制产品性能进行比较。

• The photocrosslinking process and the amount of residual unsaturation in the cured film were shown to depend primarily on the nature of prepolymer and on the functionality of crosslinking agents.

  结果表明，光交联过程及固化膜中剩余双键含量与预聚体的性质及交联剂官能团的性能有关。

• The formulation and preparation process of polyurethane for underlayer of slush pump were introduced. The effects of -NCO content of prepolymer and MOCA rate were studied.

  介绍了泥浆泵护套用聚氨酯胶的配方和制作工艺，并对预聚物中—NCO含量和MOCA用量进行了考察。

• The research progress of photosensitive prepolymer in the UV system in recent years was introduced, and the development trends of UV-curing paint were discussed.

  介绍了近年来紫外光固化体系中光敏预聚体的研究进展，以及UV固化涂料的发展动态。

• The alkyd resin, silicone prepolymer and alkyd-silicone block copolymer were characterized bv use of iR and SEM.

  采用红外吸收光谱图和透射电镜表征了醇酸树脂、有机硅预聚体以及醇酸-有机硅嵌段共聚物。

• Medical thermoplastic polyether urethanes(TPU) based on MDI/PTMG/BDO system were prepared by one -shot, prepolymer and semi-prepolymer processes with equivalent stoichiometries respectively.

  在系统中，以一步法和预聚法为对照，研究了半预聚法对医用热塑性聚氨酯（TPU）结构和性能影响。

• The polymerization kinetics of styrene catalyzed by Ziegler-Natta catalyst and the effects of prepolymerization conditions on morphology of prepolymer particles were systemically studied.

  通过淤浆预聚对齐格勒·纳塔催化剂催化的苯乙烯预聚动力学规律和预聚条件对预聚物粒子形态的影响进行了系统的研究。

• The acrylate-modified waterborne polyurethane dispersion was prepared through reaction of acrylate and polyurethane prepolymer with reactive groups.

  本文利用丙烯酸酯与带有活性官能团的聚氨酯预聚体反应，生成了水分散的丙烯酸酯改性聚氨酯分散体。

• Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).

  通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物，可改性环氧树脂。

• The release reaction of blocked prepolymer were discussed and release temperature were determined.

  探讨了封闭的预聚体的解封反应，确定了其解封温度。

• The complex chemical crosslinking PU network means that a PU network is cured from the curing system which includes the prepolymer and curing agent with the functionality more than 4.

  所谓复杂化学文联型聚氨酯网络是指固化体系中含有官能度大于4的预聚物及固化剂固化形成的交联网络。

• The effect of the amounts of curing agent and prepolymer on the properties of cured epoxy resins were investigated.

  本文研究了固化剂和预聚物用量对环氧树脂性能的影响。

• The increasing in plant「s throughput and other changing factors drastically shortened the prepolymer filter」s running period.

  装置提产及其他因素的改变，造成了预聚物过滤器的使用周期缩短。

• Epoxy encapsulating materials grafted and modified with polyurethane (PU) was prepared by reaction of -nco-terminated PU prepolymer with epoxy resin (ep).

  以异氰酸酯封端的聚氨酯预聚体(PU)与环氧树脂(EP)发生反应，制备了聚氨酯接枝改性环氧灌封材料。

• The article gave a minute description of operational method and skill in measuring trace free TDI in polyurethane prepolymer by gas chromatography.

  详细叙述了用气相色谱法测定聚氨酯预聚体中微量游离tdi的操作方法和技巧。

• The UV-curable acrylated epoxy prepolymer resin was prepared by reacting E-44 epoxy resin with acrylic acid in the presence of onium salt catalyst.

  采用E-44环氧树脂与丙烯酸反应，用鎓盐作催化剂，制备了适于配制竹木基涂饰的紫外光固化的环氧丙烯酸酯预聚物，讨论了催化剂的种类对合成反应的影响。

• A weather resistant IPN-improved acrylic polyurethane coating has been developed by controlling the composition of acrylic prepolymer and coating formulation.

  通过调整丙烯酸组分的单体组成和涂料配方，研制出一种耐候性的IPN改性丙烯酸聚氨酯涂料。