Poly (vinyl alcohol) (PVA) is widely applied in the textile as a sizing agent.
聚乙烯醇(PVA)在纺织工业中被广泛用作上浆剂。
Poly (vinyl alcohol) (PVA) is widely used in textile industry as a sizing agent.
聚乙烯醇(PVA)在纺织工业中被广泛用作上浆剂。
Mixed bacteria could degrade poly (vinyl alcohol) (PVA) completely and produce extracellular PVA-degrading enzyme.
混合菌能完全降解pva，并产生胞外pva降解酶。
Embolizing agents include Polythene vinyl alcohol (PVA), Pingyangmycin, super lipiodol emulsion and gelatin sponge particles.
栓塞剂选用PVA颗粒联合明胶海绵颗粒或碘油平阳霉素乳剂联合明胶海绵颗粒。
Using trimethylamine, epoxy chloropropane and poly (vinyl alcohol) as materials, the quaternary cationic poly (vinyl alcohol) was synthesized.
以三甲胺、环氧氯丙烷和聚乙烯醇为原料，合成出季铵型阳离子聚乙烯醇。
Besides being completely biodegradable, they also exhibit barrier properties similar to those exhibited by ethylene vinyl alcohol (see Section 3.1.2).
除了完全可生物降解的，它们的阻隔性能也表现出相似，展出的乙烯乙烯醇(见第3.1.2)。
The effects of the polymerization degree and conversion rate of the feedstocks on the high-strength high-modulus poly- vinyl alcohol fiber were studied.
研究了纺丝原料聚合度、转化率对聚乙烯醇（PVA）纤维高强高模化的影响。
Poly (vinyl alcohol) (PVA) is recognized as one of the very few vinyl polymers soluble in water also susceptible of ultimate biodegradation by microorganisms.
聚乙烯醇（PVA）是较少的可溶于水并被生物降解的乙烯聚合物之一。
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.
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。
Poly(vinyl alcohol) (PVA) is a multi-hydroxyl polymer, which can be prepared from natural gas, thus becomes more and more important in the situation of petroleum scarcity.
聚乙烯醇（PVA）是一种性能优良、用途广泛的多羟基聚合物，可从天然气制备，在目前石油资源日渐匮乏的形势下日显重要。
The hydrophilic modification of polypropylene non-woven fabric (NWF) surface was conducted by coating PVA (poly vinyl alcohol) film on the NWF surface via dip-coating method.
采用表面涂覆法，将聚乙烯醇（PVA）薄膜固定在聚丙烯无纺布表面，进行表面亲水改性。
The grafting reaction of vinyl acetate with polyvinyl alcohol which was regarded as the protecting colloid in the emulsion polymerization of vinyl acetate was investigated in this paper.
研究了以聚乙烯醇为保护胶体的醋酸乙烯乳液聚合中，作为保护胶体的聚乙烯醇与醋酸乙烯的接枝反应。
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.
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。
The water-solubility of poly (vinyl alcohol) (PVA) films is analyzed from the polymer structure, the blend modification method is put forward to increase the water solubility of PVA films.
从聚合物结构方面分析了聚乙烯醇(pva)薄膜的水溶性，提出用共混改性方法提高PVA薄膜的溶解性能。
The present invention provides an industrially advantageous method for producing an unsaturated carboxylic acid-modified vinyl alcohol polymer, and a gas barrier film obtained by using the same.
本发明提供工业上具有优势地位的不饱和羧酸改性乙烯醇类聚合物的制造方法以及使用该聚合物的阻气性膜。
By coating the blend of poly (vinyl alcohol) and chitosan on the inner surface of poly (acrylonitrile) hollow fiber ultrafiltration membrane, the composite membrane for pervaporation was obtained.
本文将聚乙烯醇和壳聚糖混合物涂到聚丙烯腈中空纤维内表面制备用于渗透汽化过程的中空纤维复合膜。
Bubble effect in aqueous slurry of powder polypropylene (PP) using poly (vinyl alcohol) (PVA) as the stabilizer which is used as a sort of raw materials in rotational moulding has been investigated.
研究了以粉状聚丙烯为原料、以聚乙烯醇(PVA)为稳定剂的旋转成型浆液料中的气泡效应。
Extruded vinyl aromatic foam with 1, 1, 1, 2 - tetrafluoroethane and alcohol as blowing agent.
使用1,1,1,2-四氟乙烷和醇作为发泡剂的挤塑乙烯基芳族泡沫塑料。
Polyvinl alcohol(PVA) is only one water-soluble high polymer we know at present , it is the saponification substance of vinyl acetate, mainly used in produce fibre.
聚乙烯醇（PVA）是由醋酸乙烯经皂化而成的高分子化合物，是目前发现的唯一具有水溶性的高聚物，主要用于生产维纶纤维。
Cosmetic composition based on a cationic surfactant, a silicone containing either an amine or a vinyl, a fatty alcohol and a propelling agent.
基于阳离子表面活性剂，氨基硅氧烷或乙烯基硅氧烷，脂肪醇和推进剂的化妆组合物。
Cosmetic composition based on a cationic surfactant, a silicone containing either an amine or a vinyl, a fatty alcohol and a propelling agent.
基于阳离子表面活性剂，氨基硅氧烷或乙烯基硅氧烷，脂肪醇和推进剂的化妆组合物。
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