封端剂,blocking agent英语短句,例句大全

封端剂,blocking agent
1)blocking agent封端剂
1.The influences of different monomers,blocking agents and synthesis processes to the thickening ability are investigated.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缔合型增稠剂;考察了不同单体、封端剂以及反应工艺对产物增稠性能的影响;讨论了增稠剂的相对分子质量和相对分子质量分布与其增稠性能的关系。
2.The blocking agent with enol keto stucture( BAEK) .采用具有烯醇结构的封端剂,用反应活性较高的芳香族异氰酸酯制备了聚氨酯-丙烯酸酯(PUA)水分散液。

英文短句/例句

1.Study of Reaction Conditions and End-blocking Agent in D_4 Ring-opening PolymerizationD_4乳液聚合反应条件及封端剂的研究
2.capped nonionics封端的非离子表面活性剂
3.Investigation and application of the waterborne blocked polyurethane anti-pilling agent封端型水性聚氨酯抗起毛起球剂的研制与应用
4.Application and Action Mechanism of Imidazole End Capped Water- based Polyurethane Retanning Agent咪唑封端水性聚氨酯复鞣剂的应用及机理研究
5.Effect of End- closing Rate on Performance of PTMG Polyurethane Plastic Adhesive封端率对PTMG型聚氨酯胶黏剂性能的影响
6.Preparation of Hydrazine-Terminated Polyurethane Latex and Modification of Adhesive Based on Acrylic Copolymer Latex肼基封端聚氨酯的制备及对乳液型丙烯酸酯粘合剂的改性
7.Study on Reaction Kinetics of Curing Agent Synthesis of Diisocyanate Terminated Polyester Polyol二异氰酸酯封端聚酯多元醇型固化剂合成反应动力学的研究
8.Synthesis of a new initiator and application in preparing F30一种新型引发剂的合成及其在制备全氟封端F30树脂中的应用
9.channel blocker通道封阻剂，通道阻断剂
10.Apply silicon sealer/lubricant to the inner and outer diameters of the flange kit gasket, and press the gasket onto the valve body end.将硅密封/润滑剂施加在法兰组件垫圈的内径和外径上，将垫圈压在阀体端口上。
11.Synthesis of Novel Sulfur Containing Silane Coupling Agent and Its Properties in Silica Reinforced Styrene Butadiene Rubber;封端型巯基硅烷偶联剂的合成及其在白炭黑补强丁苯橡胶中的性能研究
12.Preparation and study of hydrazine-terminated polyurethane emulsions for modifying polyacrylic-copolymer latex adhesives肼基封端聚氨酯乳液的制备及其对丙烯酸酯共聚物乳液粘合剂的改性
13.radial double mechanical seal径向双端面机械密封
14.axial double mechanical seal轴向双端面机械密封
15.The tube is sealed at both ends.这管子两端是密封的。
16.Technology for End-coating Chip Resistors and the Structure and Principle of the End-coating Machine片式电阻器封端工艺及封端机的结构原理
17.The test tube is closed at one end with a hydraulic seal.试管的一端为水封所封闭。
18.testing methods for sealant for automobiles汽车用密封剂试验方法

相关短句/例句

capping agent封端剂
1.Stearic acid was used as capping agent of the hyperbranched poly(amide-ester),IR spectrum testified the reaction.应用红外谱图对改性的超支化聚(酰胺-酯)进行了分析,用十八酸作封端剂对超支化聚(酰胺-酯)进行端基改性。
2.A series of sulfonic acid type hydroxyl-terminated organo-silicone/polyurethane micro-emulsions modified by N-β-aminoethyl-γ-aminopropyl trimethyldimethoxysilane(APAETMS)as capping agent were prepared by self-emulsification in water medium.以N-(β-氨乙基)-γ-氨丙基三甲氧基硅烷(APAETMS)为封端剂,对自乳化法合成的新型磺酸型表面活性单体制备的磺酸型水性聚氨酯(简称WPU)微乳液进行改性,得到端羟基有机硅/聚氨酯微乳液;考察了单体1,2-二羟基-3-丙磺酸钠(DHPA)和APAETMS的含量对磺酸型WPU微乳液性能的影响。
3)Terminator[英]['t?:mineit?][美]['t?m?,net?]封端剂
1.The title PU associative thickener is prepared by use of PU monomer that is obtained by reaction of IPDI and polyethylene glycol,then modified with chain extender and terminator and mixed with solvents and cosolvents.利用异佛尔酮二异氰酸酯(IPD I)与一定相对分子质量的聚乙二醇进行本体聚合得到聚氨酯单体,加入扩链剂和封端剂进行改性,最后与溶剂和助溶剂进行复配成缔合型聚氨酯增稠剂成品。
4)End Capping Agent封端剂
1.A kind of polyurethane monomer was synthesized by the polymerization reaction of diisocyanate IPDI with polyethylene glycol of certain molecular weight, at the same time, added some chain expanding agent and end capping agent to modify it, so the polyurethane associative thickener were prepared by using some solvents to mix together.利用异佛尔酮二异氰酸酯(IPDI)与一定相对分子质量的聚乙二醇进行本体聚合得到一定规格的聚氨酯单体,同时加入扩链剂和封端剂进行改性,最后与溶剂和助溶剂进行复配,制成缔合型聚氨酯增稠剂成品。
5)siloxane end-capping reagent硅烷封端剂
6)end-blocked agent端基封锁剂