乙烯

Briefly introduced the production method of balanced oxychlorination producing Vinyl Chloride Monomer(VCM).

简要介绍了平衡氧氯化法生产氯乙(VCM)的生产方法。

Using self-prepared sodium naphthalide solution,PTFE micropore membrane was modified to improve its wetness and adhesiveness.

用自制的钠—萘处理液,改性聚四氟乙(PTFE)微孔膜,改善薄膜表面的润湿性和粘合性。

Made of shaping Polytetrafluorethylene Resin by moulding in ordinary temperature then through high heat sintering.

将聚四氟乙树脂在常温下用法成型后再高温烧结制成。

This polythene sheet should serve to keep out the rain for a while.

这种聚乙塑料应该可以挡一会儿雨。

The grey vinyl floor gave way to carpet tiles.

灰聚乙基地面换成了方块地毯。

35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .

乙和反式二氯乙在红外光谱的这个区域都无活性。

Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.

环氧化合，环硫化合和乙亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙基醚类化合的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。

Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

硫酸与聚乙(PVA)酯化制备PVA聚阴离子电解质。

Being a bivinyl crosslinker,3 could be copolymerized with styrene giving gel-type resin with superior swelling characteristics.

用此方法合成的标题化合作交联剂与苯乙聚合,可得到具有特殊溶胀性能的聚苯乙树脂。

Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.

本文研究从荆芥穗中提取回收聚苯乙所需的柠檬,其方法是溶剂萃取。

The role of polyoxyethylene triol,rosin polyester polyol and asphalt in the asphalt-polyurethane rigid foam was stressed.

重点介绍了聚氧乙三、松香芳烃聚酯多元在配方中的作用。

The reaction between polystyrene having oxazoline groups(RPS) and chlorinated polyethylene(CPE) was investigated by FTIR, DSC methods.

用FTIR、DSC等方法研究了含恶唑啉官能团的聚苯乙(RPS)与氯化聚乙(CPE)之间的反应。

Preparation of microencapsulated osmium tetraoxide from GPPS was reported,and effect of solvent,temperature and dispersant was analyzed.

采用通用聚苯乙(GPPS)制备了四氧化锇微胶囊。

The acrylonitrile-styrol reisn is firmly combined on active carbon, thus being safe and nontoxic to the environment.

丙腈-苯乙树脂和铜离子牢固结合在活性炭上，对环境安全无毒。

A two-step process for preparing silane-crosslinked polyethylene (PE) insulant for power cable was developed in this paper.

采用两步法制备了硅烷交联聚乙(PE)电力电缆绝缘料。

The result of experiment shows that polyethylene cerate and bentonite pregel play important roles for flash primer.

实验结果说明，聚乙蜡膏，膨通预凝胶在闪光漆中有着重要作用。

Porous ceramic materials on the base of strontium zirconate were developed with zirconium dioxide,baddeleyite powder,and granular polysterol.

采用二氧化锆、斜锆矿粉、碳酸锶及粒状聚苯乙制成了锆酸锶多孔陶瓷材料。

Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer.

分别阐述了聚全氟乙丙和四氟乙全氟代烷基乙基醚共聚的结构和力学热学、辐射、化学性能。

Ingredients:olive extract, whitening factor,fatty alcohol polyoxyethyleneether sulfate, xanthane, polyethylene scratching particles, jojoba scratching particles.

橄榄提取液,美白因子,脂肪醚硫酸钠，汉生胶，聚乙磨砂粒，霍霍巴磨砂粒。