A flexible epoxy acrylate resin prepolymer was prepared.
制得柔性环氧丙烯酸酯预聚体。
The influence factors in the synthesis of the prepolymer are discussed.
讨论了合成预聚体时的影响因素。
Gives the viscosity control method of polyurethane prepolymer preparation.
给出了聚氨酯预聚物合成的粘度控制方法。
Hexamethylene diisocyanate (HMDI) may be used in prepolymer, in place of TDI.
六亚甲基二异氰酸酯(HMDI)可用在预聚物中代替甲苯二异氰酸酯〔tdi〕。
One of applications of rosin in PU paint is rosin ester resin modified polyisocyanate prepolymer.
松香酯树脂改性多异氰酸酯预聚物是松香在PU涂料中应用的一个途径。
Curing agent 4, 2 '- and 4, 4' -methyl diphenylene diisocyanate prepolymer and preparation thereof.
一种固化剂4,2-及4,4-二苯基甲烷二异氰酸酯预聚物及其制备方法。
The functional groups of prepolymer are not changed with supercritical CO2 inducing crystallization.
超临界CO2诱导结晶并未引起预聚体官能团的改变。
A kind of punching machine spring was developed by using polyester prepolymer, MOCA as raw materials.
以聚酯型预聚体和MOCA为原料研制了一种冲床弹簧。
Phenolaldehyde resin prepolymer (PFRFPS) meeting the demands was synthesized from phenol and formaldehyde.
以苯酚、甲醛为主要原料 ，合成了满足要求的酚醛树脂预聚体 （PFRFPS）。
The IR spectra for prepolymer, blocked prepolymer and blocked prepolymer decomposed by heating are compared.
对封闭前后和加热解封后的红外图谱作了比较。
One-component PU adhesives were prepared from the blocked prepolymer and hydroxyl group-containing prepolymer.
以封闭型预聚体和含羟基预聚体为主要原料制备得单组分聚氨酯(PU)胶粘剂。
The results showed that adequate catalyst can obviously raise the reaction speed of polyurethane(PU)prepolymer.
研究结果表明，适量的催化剂能明显加快聚氨酯（PU）预聚体的反应速率；
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 results show that RIRIM can be used in one-step method, two-step method (prepolymer method) and semi-prepolymer method.
结果表明：RIRIM机适用于一步法、预聚物法和半预聚物法；
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。
Modification was performed by grafting polyurethane prepolymer via condensation polymerization on the surfaces of attapulgite.
采用缩合聚合法对凹凸棒石进行表面接枝聚氨酯预聚体改性。
Different emulsifier types and prepolymer dropping rate on impact of microcapsules morphology were investigated in experiments.
研究了不同乳化剂种类和预聚体滴加速率对微胶囊形貌的影响。
The structure of the prepolymer is characterized. The properties of prepolymer and its acrylic polyurethane coatings are discussed.
对合成预聚体的结构进行了表征，并对预聚体及其丙烯酸聚氨酯涂料的性能进行了研究。
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。
A solid product formed by polymerizing a urethane prepolymer in the presence of a curative has a Bashore rebound that is less than about 38%.
通过在固化剂存在下使氨基甲酸酯预聚物聚合而形成的固体产物具有小于大约38%的巴肖氏回弹。
To form a microcellular polyurethane material, the urethane prepolymer is frothed with inert gas, in the presence of a surfactant, then cured.
为了形成微孔聚氨酯材料，在表面活性剂存在下用惰性气体使该氨基甲酸酯预聚物发泡，随后固化。
Preferably, the urethane prepolymer is an aliphatic isocyanate polyether prepolymer and the curative includes an aromatic diamine and a triol.
优选地，该氨基甲酸酯预聚物是脂族异氰酸酯聚醚预聚物，且该固化剂包括芳族二胺和三醇。
The invention is mainly prepared by crop straw, polyisocyanate or isocyanate prepolymer, water, foam kicker, foam stabilizer and foaming agent.
本发明主要由作物秸秆、多异氰酸酯或异氰酸酯预聚体、水、发泡催化剂、泡沫稳定剂和发泡剂制成。
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。
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。
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。
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。
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。
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。
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