It is pointed out that the biodegradability of modified sodium polyacrylate can be improved by introducing vinyl alcohol to its molecular chain.
综述了无磷洗涤助剂的开发进展 ,并对 4A沸石、偏硅酸钠、聚丙烯酸钠、沸石P、顺丁烯二酸酐 丙烯酸共聚物钠盐、层状结晶二硅酸钠等助剂的性能作了评述 ;指出在改性聚丙烯酸钠分子链中引入乙烯醇能改善其生物降解
The results in-dicate that the loss of aβ-hydrogen from 2-hydroxyethyl radical to yield vinyl alcohol and that a 1,3-hydrogen shift to form ethoxy radical have close A factors and rate constants.
用量子化学结果和Ｅｙｒｉｎｇ过渡态理论计算了２００－１２００Ｋ温度范围内，标题反应的Ａ因子和速度常数，结果表明，２－羟乙基脱去β－Ｈ生成乙烯醇与其经［１，３］重排生成乙氧基有相近的Ａ因子和速度常数，且常温下速度较慢，反应难以进行。
Synthesize on modification for polyvinyl alcohol by etherifying agent;
醚化改性聚乙烯醇的合成研究
Preparation and characterization of paraffin/polyvinyl alcohol phase change fibers for energy storage;
石蜡/聚乙烯醇相变储能纤维的制备与表征
Study on esterification modification for polyvinyl alcohol;
酯化改性聚乙烯醇的研究
PVA-Assisted Synthesis and Characterization of CdS Nanowires;
聚乙烯醇辅助合成CdS纳米线及其表征
Study on Gasoline Barrier Property of PVA Blown Tubes;
聚乙烯醇吹塑管坯汽油阻隔性能的研究
Treatment of PVA-containing Wastewater with Coagulating Method;
混凝法处理含聚乙烯醇废水
The casting solution is comprised of polyvinyl alcohol(PVA) as membrane material, polyethylene glycols(PEG) as additive.
采用聚乙烯醇(PVA)为膜材料,以聚乙二醇(PEG)为致孔剂,利用相转化法制备超滤(UF)膜用于分离蚕蛹蛋白。
Biological activated carbon fiber beads were prepared by fixing microbe which originated from activated sludge incubated in phenol,on activated carbon fiber(ACF) and using polyvinyl alcohol(PVA) as embedding material.
采用经苯酚驯化后的活性污泥,以活性炭纤维为载体,以聚乙烯醇(PVA)为包埋剂制成固定化生物活性炭纤维小球。
The casting solution is comprised of polyvinyl alcohol(PVA)as membrane material, polyethylene glycols(PEG)as additive.
本研究以聚乙烯醇(PVA)为膜材料,以聚乙二醇(PEG)为致孔剂配制铸膜液,凝固浴为去离子水,利用相转化法制备超滤(UF)膜用于分离蚕蛹蛋白。
Study on Gas Barrier Property of Poly (vinyl alcohol);
聚乙烯醇材料阻气性能研究
Spun poly (vinyl alcohol) with different degrees of alcoholysis by gel-spinn ing method and drew them,then got a series of PVA fiber with alcoholysis degree 99.
用不同醇解度的聚乙烯醇进行冻胶纺丝 ,得到了醇解度为 99 5 %、93%、86 %的聚乙烯醇纤维 ,研究了不同醇解度下纤维中的氢键及其对纤维力学性能的影响。
Orthogonal experiments were carried out to study the effects of the preparation processing conditions on the structure of Poly (vinyl alcohol)/montmorillonite nanocomposites, which were prepared by means of solution intercalation-casting film method, and confirmed the optimum preparation method.
通过正交实验法研究了溶液插层-流延成膜法制备聚乙烯醇/蒙脱石纳米复合材料中制备工艺条件对复合材料结构的影响,确定了最佳的制备方法。
Effect of dilute acetic acid on electrospinnability of poly(vinyl alcohol)aqueous solution;
稀乙酸对聚乙烯醇水溶液静电纺丝性能的影响
Characteristics of a mixed culture for degradation of poly(vinyl alcohol)and optimization of culture conditions;
一个降解聚乙烯醇混合菌系的降解特性及培养基碳氮源优化
On Structure and Properties of Konjac Glucomannan-Chitosan Poly(vinyl alcohol) Fertilizers;
葡甘聚糖—壳聚糖—聚乙烯醇肥料包膜的结构表征及性能研究
polyvinyl acetal resin
聚乙烯醇缩乙醛树脂
Radiation Effect of Ethylene-vinyl Alcohol Copolymers (EVOH);
乙烯—乙烯醇无规共聚物（EVOH）的辐射效应
Experimental Study of the National Eval Embolic Mixture;
国产乙烯乙烯醇聚合物（EVAL）的实验研究
Study on Polyvinylidene Fluoride (PVDF)/Polyvinyl Alcohol (PVA) Blend Membrane;
聚偏氟乙烯（PVDF）/聚乙烯醇（PVA）共混膜研究
polyvinyl formal wire
聚乙烯醇缩甲醛绝缘线
pelyvinyl formal fibre
聚乙烯醇缩甲醛纤维
polyvinyl butyral cementing agent
聚乙烯醇缩丁醛粘合剂
compatible cross-linked polyvinyl alcohol
相容的交联聚乙烯醇
Preparation and Research of Poly(Ethylene-Co-Vinyl Alcohol) Alkaline Battery Separator;
聚乙烯—乙烯醇碱性电池隔膜的制备及性能研究
Production and Market Prospects of Ethylene Vinyl Alcohol Copolymer;
乙烯-乙烯醇共聚物的生产及市场前景分析
catalyst for ethanol delydration to ethylene
乙醇脱水制乙烯催化剂
polyoxyethylene lauryl sulfate triethanolamine salt
月桂醇聚氧乙烯醚硫酸三乙醇胺盐
diethylene glycol monoacrylate
二乙二醇单丙烯酸酯
ethylene glycol dimethacrylate
乙二醇二甲基丙烯酸酯
polyethylene glycol fumarate
聚反丁烯二酸乙二醇酯
vinylated alkyd resi
乙烯基改性醇酸树脂
dibutoxy triethylene glycol
二丁氧基三乙烯甘醇
dibutoxy tetraethylene glycol
二丁氧基四乙烯甘醇