The invention relates to a preparation method of liquid vinyl poly-silazane resin.
本发明涉及一种液态乙烯基聚硅氮烷树脂的制备方法。
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。
Loose-fitting poly gloves are perfect in most circumstances, but in cases where greater dexterity is needed, closer-fitting vinyl gloves come in handy.
很多情况下，聚乙烯手套很实用，但是，在一些需要灵活操作的环境下，更贴手型的乙烯基手套就派上用场。
Vinyl and poly deck lumber is available in more colors than wood, but is more expensive.
乙烯和聚在甲板木材比木材更颜色可供选择，但更昂贵。
The shammy, made out of rayon or poly-vinyl, can hold a lot of water and dry quickly, the former US diver reveals.
这种由人造纤维丝或聚乙烯醇树脂制成的麂皮革可以快速吸干运动员身上的大量水分。
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。
In the paper orthographical method was used to study the control of smoke generation from poly (vinyl chloride).
本文采用正交实验的方法，研究了聚氯乙烯发烟量的控制。
The following table is based on the guidelines of ASTM D 2855, "Standard Practice for Making Solvent-Cemented Joints with Poly Vinyl Chloride (PVC) Pipe and Fittings".
下表以美国材料实验协会ASTMD 2855“聚氯乙烯（PVC）管道和管件液状粘固剂连接标准规程”有关标准制定。
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。
A static conductive emulsion adhesive which is used to paste poly (vinyl chloride) conducting static block was prepared with nonsoap emulsion polymerization mechanism as a reference.
研究借鉴无皂乳液聚合机理，加入导电纤维丝，制备了用于粘贴导静电聚氯乙烯地板胶粘剂。
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。
In connection with the poor processibility of high polymerization degree poly (vinyl chloride), chemical and physical methods for improving its processibility were reviewed in this paper.
针对高聚合度聚氯乙烯加工性能较差的缺点，综述了改进其加工性能的化学和物理方法。
The RM-200 torque-rheometer was used to study the rheological properties of the rigid low-foamed poly(vinyl chloride)(PVC) in this paper.
用RM-200转矩流变仪对不同配方的硬质低发泡聚氯乙烯（PVC）的流变性能进行了分析。
The compositions include an aqueous alkaline solvent soluble phenolic resin or poly (vinyl acetal) as a polymeric binder.
该组合物包括含水碱性溶剂可溶性酚醛树脂或聚(乙烯醇缩醛)作为聚合物粘结剂。
This paper introduces modification of poly vinyl acetate by copolymerization and the application state of the modified products.
文章介绍了聚醋酸乙烯酯共聚改性研究及改性产品应用进展情况。
Broadband radar absorbing materials were prepared by blending modified poly (vinyl chloride) with complex absorbers including regular powder absorbers and conducting fibers.
采用常规粉体吸收剂和导电纤维作为复合吸收剂，掺混于改性聚氯乙烯基体中，制备出宽频雷达吸波材料。
Three new types of side chain polyviologen, using poly 4-vinyl pyridine as main chain, were synthesized and their electroredox and photoreduction behaviors were investigated.
合成了三种新型的主链为聚4-乙烯基吡啶的侧链型紫精聚合物和相应的小分子紫精，研究了它们的电还原及光还原行为。
In this paper, aimed layer-by-layer assembly deposition techniques, we have build free-standing poly (4-vinyl pyridine) membrane with perforated porous by preparing sacrificial layers.
本论文基于交替沉积技术利用牺牲层法制备一种新型的具有穿孔状多孔的自支持聚4 -乙烯基吡啶膜。
Experiments were performed on the influences of the concentration of poly (vinyl acetal) and temperature on pure water flux and rejection of membranes.
实验又考察了聚乙烯醇缩乙醛浓度、铸膜液温度、凝固浴温度和盐含量以及添加剂含量等因素对膜纯水通量和截留率的影响。
Thermal-oxidative stability of poly (vinyl chloride) (PVC) by carboxylic ester rare earth salt (CERES) has been studied during thermoexidativeageing in static condition in air.
用热烘法研究了羧酸酯稀土（CERES）对聚氯乙烯（PVC）的热氧稳定作用。
Finally, we have characterized the microporous poly (4-vinyl pyridine) membrane.
最后，对微孔聚4 -乙烯基吡啶膜进行表征。
The methods for modifying heat resistance of poly(vinyl chloride) (PVC) resins were reviewed, including blending modification, copolymerization modification and chlorination modification, etc.
对聚氯乙烯（PVC）树脂耐热改性方法的研究进行了综述。 PVC树脂耐热改性方法有共混改性、共聚合改性、氯化改性和其他改性。
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。
This paper summarized to prepare the principle and method of poly(vinyl crotonal), as well as mainly discussed state-of-arts of poly(vinyl crotonal)at home and abroad.
综述了聚乙烯醇缩丁烯醛胶的制备原理和制备方法，并主要讨论了聚乙烯醇缩丁烯醛在国内外的应用进展情况。
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 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。
Plastics piping systems for buried and above-ground drainage and sewerage under pressure - Unplasticized poly (vinyl chloride) (PVC-U) - Part 1: specifications for piping components and the system.
地下和地上排水和排污用塑料压力管道系统。未增塑聚氯乙烯(PVC- U)。第1部分：管道件和系统规范。
In this paper the chemical reaction of poly (vinyl pyridine) was studied and the polyelectrolytes CAPVP containing zwitterion structure units were synthesized.
以聚乙烯吡啶的化学反应制备了含正负离子对结构单元的两性聚合物CAPVP。
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。
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。
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