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- Effects of chemical cross-linking and heat treatment on polyvinyl alcohol membrane performance 化学交联与热处理对聚乙烯醇膜性能的影响
- Pervaporation properties of H-Y zeolite-filled polyvinyl alcohol membrane and its application to catalytic esterification 氢型沸石掺杂聚乙烯醇膜的渗透蒸发性质及其在酯化反应中的催化作用研究
- polyvinyl alcohol membrane 聚乙烯乙醇膜(透)
- The surface of polyvinyl alcohol pervaporation membrane was modified by low tmeperature plasma with oxygen. 在氧等离子体中对聚乙烯醇、海藻酸钠、聚乙烯和聚对苯二甲酸乙二醇脂等有机薄膜进行表面处理。
- In this paper, polyvinyl alcohol pervaporation composite membrane blended with acrylic ester acrylic acid copolymer in different ratios was prepared. 介绍了不同比例的丙烯酸酯 -丙烯酸共聚物 (AE-co-AA)与聚乙烯醇 (PVA)共混制得渗透汽化膜。
- Pervaporation separation of water ethanol mixture was carried out through the polyvinyl alcohol(PVA) membrane crosslinked by multinary acid. 用多元酸作交联剂与聚乙烯醇（PVA）进行反应制得渗透汽化膜，并对水-乙醇混合物进行渗透汽化分离。
- The polyanionic membrane material was synthesized with polyvinyl alcohol (PVA) and vitriol as raw materials via ultrasonic. 采用超声振荡法,通过聚乙烯醇(PVA)与硫酸进行酯化反应制备了聚阴离子膜材料。
- The effects of the mass ratio of monomers, surfactant (SOS) and alkaline and polyvinyl alcohol (PVA) were studied for preparing the best ultrafiltration membrane. 以聚醚巩为支撑膜，聚乙烯醇(PVA)、哌嗪与对苯二甲酰氯为反应物，采用界面聚合手段，在支撑膜表面成功地形成一层极薄的复合亲水分离层。
- This thesis is based on polyvinyl alcohol fibers (vinylon) reinforced mortar. 本文以聚乙烯醇纤维(即维纶)增强砂浆为基础进行研究。
- The polyanionic membrane material was synthesized with polyvinyl alcohol (PVA) and chloroacetic acid as raw materials under the influence of ultrasonic, and sodium hydroxide as catalyst. 摘要利用超声振荡，以聚乙烯醇(PVA)和氯乙酸为原料，氢氧化钠为催化剂，制备聚阴离子膜材料。
- The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening. 聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料。
- The modified polyvinyl alcohol as a membrane material is developed to get porous membranes.The polyvinyl butyral membranes are prepared through the phase inversion method. 摘要以聚乙烯醇缩丁醛为膜材料，采用湿法相转化法制备了聚乙烯醇缩丁醛多孔分离膜，考察了聚乙烯醇缩丁醛的成膜规律和膜性能。
- The dichroic agent is polymetric iodine formed by impregnating an intially transparent plastic sheet of polyvinyl alcohol with iodine and heating. 其二向色剂是聚合磺，它是将透明的聚己烯醇塑料薄片在磺内浸渍后加热制成的。
- The preparation and the properties of polyvinyl alcohol spilled oil gelling agents on water surface. 聚乙烯醇系水面溢油凝油剂的制备与性能。
- The new usage of polyvinyl alcohol (PVA) in many industrial fields in recent years are presented. 摘要介绍了近年来聚乙烯醇产品在各个工业领域中的新用途，说明这种化工原料仍有广泛的使用价值。
- Dehydration behavior of polyvinyl alcohol glutaraldehyde hydrogel has been investigated in this paper. 本文对聚乙烯醇-戊二醛水凝胶的脱水行为进行了研究。
- The surfaces of wool single yarn are covered by soluble polyvinyl alcohol using friction spinning. 利用摩擦纺技术将可溶性维纶以一定包覆比包覆于毛单纱表面。
- Simultaneousl change flexility of the resin by introducing the melamine and the polyvinyl alcohol. 同时加入三聚氰胺和聚乙烯醇,以改变树脂的柔韧性。
- S. standards.Company product materials used Carbomer, sodium polyacrylate, polyvinyl alcohol penetration agent. 本公司产品辅料使用了卡波姆、聚丙烯酸钠、聚乙烯醇 促渗剂。
- The result showed that titanate modificator is better than siloxane and PVA (polyvinyl alcohol). 实验表明，钛酸酯的表面修饰效果优于聚乙烯醇和矽氧烷。
