乙烯-乙烯醇共聚物(EVOH)是目前世界三大阻隔树脂之一,工业生产可分为聚合、醇解两步。
Ethylene vinyl alcohol (EVOH) copolymer is one of three largest barrier resins in the world. Its industrial production process comprises two steps, i. e. copolymerization and alcoholysis.
本发明得到一种改性的乙烯-乙烯醇共聚物膜,在同等条件下,其吸水率只有evoh膜的30 - 40%。
Water absorption rate of this film is only 30-40% of EVOH film under same conditions.
乙烯-丙烯酸共聚物(EAA)和三梨糖醇在抑制聚乙烯的水树形成机理上有所不同。
Different mechanisms to inhibit water treeing were found for ethylene-acrylic acid(EAA)copolymer and sorbital.
加2%星形嵌段共聚物有利于聚苯乙烯与氯醇橡-胶的共混,使产物的物理机械性能有所提高。
Addition of 2% of the amphiphilic copolymer is beneficial to the blending of polystyrene and epichlorohydrine rubber, improving the physico-mechanical properties of the blend.
胺官能聚 乙烯醇中的一种是通过醋酸乙烯基酯与N-乙烯基甲酰胺或醋酸乙烯基酯 与烯丙胺的共聚物的水解而生成的。
One form of an amine functional polyvinyl alcohol is produced by the hydrolysis of a copolymer of vinyl acetate and Nvinylformamide or vinyl acetate and allyl amine.
降滤失剂 为聚乙烯醇或丙烯酰胺共聚物中的一种;
The dispersing agent is sulfonated acetone-formaldehyde polycondensate or amidosulfuric acid.
研究了三聚氰胺磷酸盐(M P)和季戊四醇(PER)作为膨胀型阻燃剂(ifr)在乙烯-醋酸乙烯酯共聚物(EVA)中的阻燃作用。
Flame retardation of EVA copolymer using melamine phosphate (MP) and pentaerythritol (PER) as intumescent flame retardants (IFR) was investigated.
研究了三聚氰胺磷酸盐(M P)和季戊四醇(PER)作为膨胀型阻燃剂(ifr)在乙烯-醋酸乙烯酯共聚物(EVA)中的阻燃作用。
Flame retardation of EVA copolymer using melamine phosphate (MP) and pentaerythritol (PER) as intumescent flame retardants (IFR) was investigated.
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