查询词典 vinyl

Product is tetrafluoroethylene - perfluoroalkyl vinyl ether polymer resin by extrusion, blow molding expansion of heat shrinkable tubes, heat shrinkable tube temperature is -80 ℃~ 260 ℃, shrinkage temperature of 180 ℃-250 ℃, the general shrinkage of 30%, it has no viscosity, heat, weathering, corrosion resistance, anti-fouling, and high electrical insulation properties, is a steel bar rubber and silicone rubber coated roll the ideal casing, may be extended roller life, reduced wear and tear, widely used in chemical industry, electroplating, pharmaceutical, printing, papermaking and other fields.

本产品由四氟乙烯－全氟烷基乙烯基醚聚合物树脂经挤出、吹胀成型的热收缩管，热收缩管使用温度为-80℃～260℃，收缩温度为180℃-250℃，收缩率一般为30%，它具有不粘性、耐热、耐候、耐腐蚀、防污和电高绝缘性能，是钢棒橡胶和硅橡胶辊理想的包覆套管，可延长辊筒寿命、减小损耗，广泛地应用在化工、电镀、制药、印刷、造纸等领域。

The POSS-based hybrids were characterized by FTIR,~1H-NMR,~(29)Si-NMR and UV. The POSS content in the hybrids were determined using three kinds of different methods and could be effectively controlled by varying the POSS feed ratio.4. It was estimated that about 5~8 vinyl groups in POSS participated in the copolymerization reactions by the ~1H-NMR spectra.

分别采用FTIR、~1H-NMR、~(29)Si-NMR和UV等方法对五个系列POSS基高分子材料进行了表征，证实POSS已与共聚单体发生了聚合反应；并通过红外标准曲线和紫外标准曲线以及核磁积分面积对共聚物中POSS的含量进行了计算，发现可以通过投料比来控制共聚物的组成。

The invention adopts polyvinyl resin to substitute vinyl-polybutadiene, thereby decreasing the production cost, and increasing the mechanical property of high melt strength polypropylene resin get by only lead-in acrylics and the smooth finish of the product surface.

本发明采用聚乙烯树脂类代替乙烯基聚丁二烯。降低了生产成本，提高了单纯引入丙烯酸酯类所得的高熔体强度聚丙烯树脂的力学性能和制品表面的光洁度。

The Company perennial operating a variety of organic chemical raw materials, varieties include: methanol, ethanol, ethylene glycol, n-butyl alcohol, isobutyl alcohol, isopropyl alcohol, acetic acid, vinyl acetate, acetic acid acetate, acetic acid small lipid , styrene, toluene, phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulfuric acid, methyl isobutyl ketone, glycol ether, three toluene, octyl resin, melamine, etc. and so on.

本公司常年经营各种有机化工原料，品种有：甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺，等等。

I for Hong Kong and Taiwan-owned business enterprises in the chemical industry more than twenty years of marketing, agent distribution Chemical famous brand, the main service items are as follows: methanol, ethanol, ethylene glycol, n-butyl alcohol, isobutyl alcohol, isopropyl alcohol, ice acetic acid, vinyl acetate, acetic acid acetate, acetic acid Ding resin, styrene, toluene, phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulfuric acid, methyl isobutyl ketone, glycol ether, three toluene, octyl resin, melamine, and so on.

我公司为港台商独资企业，于化工行业行销二十余年，代理经销国外著名化工品牌，主要服务项目如下：甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺，等等。

This year the company operating the various organic chemical raw materials, varieties are: methanol, ethanol, ethylene glycol, butanol, isobutanol, isopropanol, glacial acetic acid, vinyl acetate, B lipid, Ding acetic acid lipid, styrene, toluene, phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulphuric acid, methyl isobutyl ketone, glycol Dingmi, three toluene, 2 Xin fat, melamine.

本公司常年经营各种有机化工原料，品种有：甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺。

The company operating a variety of perennial organic chemical raw materials, varieties include: methanol, ethanol, ethylene glycol, n-butyl alcohol, isobutyl alcohol, isopropyl alcohol, acetic acid, vinyl acetate, acetic acid acetate, acetic acid Ding resin, styrene, toluene , phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulfuric acid, methyl isobutyl ketone, glycol ether, mesitylene, octyl resin, melamine.

本公司常年经营各种有机化工原料，品种有：甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺。

The swelling properties of epoxy vinyl ester resin/2-hydroxyethyl methacrylate copolymeric hydrogels were investigated.

该文研究了酚醛环氧型乙烯基酯树脂/甲基丙烯酸-β-羟乙酯共聚水凝胶的溶胀性质。

A series of hydrogels based on macromonomer novolac epoxy vinyl ester resin and hydrophilic-2-hydroxyethyl methacrylate were synthesized by bulk copolymerization.

采用大分子单体酚醛环氧型乙烯基酯树脂与亲水性单体甲基丙烯酸-β-羟乙酯为原料，以本体聚合方法制备了一系列新型水凝胶。

The reaction mechanism,process,operation conditions and main technical indexes for the synthesis of vinyl chloride from acetylene were introduced briefly as well as the specification and preparation method of mercuric chloride catalyst s.

简单介绍了乙炔法合成氯乙烯的反应原理、工艺流程、操作条件和主要技术指标，以及氯化汞催化剂的规格和制备方法，讨论了氯化汞催化剂的缺陷，总结了在减少汞流失方面对氯化汞催化剂进行改良的进展情况。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。