vinyl alcohol造句

• Eval evoh ethylene vinyl alcohol copolymer
  乙烯一乙烯醇共聚物
• Investigation of swelling property of poly vinyl alcohol hydrogel prepared by acetals
  水凝胶溶胀性能研究
• Vinyl alcohol resin
  乙烯醇树脂
• Plastics - poly vinyl alcohol materials - designation system and basis for specifications
  塑料制品.聚乙烯醇材料.规范的标识系统和基础
• In this paper , the development and application of high molecular weight poly ( vinyl alcohol ) were reviewed
  摘要综述了高相对分子质量聚乙烯醇的发展及其用途。
• A mixture of poly vinyl alcohol , vinyl alcohol and water . it is mainly used in manufacture of frp production
  聚乙烯醇脱模剂是由聚乙烯醇与乙醇等溶剂配制而成，包括n0
• The perspective application of high strength and high modulus poly ( vinyl alcohol ) was mentioned
  从聚合方法和引发方式两方面介绍了国内外合成高相对分子质量聚乙烯醇研究进展。
• Plastics - ethylene vinyl alcohol copolymer moulding and extrusion materials - designation system and basis for specifications
  塑料.乙烯乙烯醇共聚物模塑和压塑材料.命名系统和规范基本知识
• Plastics - ethylene vinyl alcohol copolymer moulding and extrusion materials - preparation of test specimens and determination of properties
  塑料.乙烯乙烯醇共聚物模塑和压塑材料.式样制备和性能测定
• Thermosensitive pva - g - nipaam copolymers was prepared by grafting copolymerization of n - isopropylacrylamide nipaam onto poly vinyl alcohol in homogeneous system by
  研究了在均相体系中通过共辐射接枝法将nipaam接枝到pva上。
• Vinyl alkyd coatings are based on the blend of a copolymer ( or more commonly terpolymer ) of vinyl chloride , vinyl acetate , and vinyl alcohol with a compatible alkyd resin
  乙烯基多元醇酸涂料是氯乙烯、醋酸乙烯和乙烯醇共聚物(或其它的三元共聚物)和相容的多元醇酸树脂的共混物。
• After the rapid development of ultrahigh - molecular weight polyethylene ( uhmw - pe ) fiber , the study of high strength poly ( vinyl alcohol ) fiber also was gained much attention
  摘要继超高相对分子质量聚乙烯( uhmw - pe )纤维得到较快发展以来，有关高强度聚乙烯醇纤维的研究与开发也受到人们重视。
• Introduced and discussed the latest developments of the high strength poly ( vinyl alcohol ) fiber , including its preparation methods , the structure and properties as well as its applications
  介绍和讨论了高强度聚乙烯醇纤维的研究和开发现状，包括制备方法、纤维结构与性能、应用等方面的情况。
• Thirdly , the polyaniline / poly ( vinyl alcohol ) conductive composites are synthesized by " in - stiu " polymerization . the structure , photoelectric and stability of the composites are characterized by using conductivity , ir spectra , uv - vis spectra , fluorescent and tga
  第三采用原位聚合的方法制备的pan / pva复合材料，通过电导率、红外光谱、紫外光谱、荧光光谱与热重曲线等分析复合材料的光电性能、结构和稳定性。
• The effects of poly ( vinyl alcohol ) ( pva ) , poly ( vinylpyrrolidone ) ( pvp ) , sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) , blended with sodium carboxymethyl cellulose ( cmc ) respectively , on the suspension stability of graphite were studied
  由于pva 、 pvp大分子的熵弹性和渗透压效应,能改善悬浮液稳定性。 sa - na 、 pa - na还具有静电排斥的机理,因此,比pva 、 pvp更能显著地改善石墨悬浮液的分散性与稳定性。
• Conductive polymer composite film of polyaniline / poly ( vinyl alcohol ) ( pan / pva ) was synthesized with an in - situ polymerization . the conductivity of the composite film was determinated to be 4 . 36 s - cm ' 1 . thermal stabilities of this composite film and pure pan were investigated by baking polymers in air atmosphere at 200 * c
  通过现场聚合制备出聚苯胺与聚乙烯醇的复合膜，产物电导率达4 . 36s ? cm ~ ( - 1 ) ，扫描电镜研究结果表明，随聚合时间和静置时间的延长，膜表面的聚苯胺层致密、均匀。
• Fibers based on poly ( acrylic - co - acrylamide ) ( caa ) and poly ( vinyl alcohol ) ( pva ) blends were prepared using n - hydroxymethyl acrylamide as a post - crosslinking agent . the blend aqueous solution was extruded into an acetone coagulation bath to form continuous caa / pva ( camp ) gel fibers via a wet - spinning method . the camp gel fibers were dehydrated by exchanging water with acetone , thermal - crosslinked
  以n -羟甲基丙烯酰胺为后交联剂，制备丙烯酸-丙烯酰胺共聚物聚乙烯醇共混物( camp )溶液，挤出成形后，经丙酮浴固化成形，并经后交联，制备出具有较强吸水和保水能力，且有一定强力的camp纤维。
• The camp fiber has large water absorbency and good water retention capacity . the influence of the synthetic variables and post - crosslinking process on water - absorbency of the camp fibers were studied in this paper , the results showed that the optimal synthetic conditions were as follows : the initiator concentration , 0 . 4wt % of the monomer concentration ; degree of neutralization of acrylic acid , 85 % ; the amount of acrylamide and poly ( vinyl alcohol ) in the blends , 20 % and 20 % respectively ; and the post - crosslinking agent content , 0 . 5 %
  结果表明，当引发剂过硫酸钾( kps )用量为单体的0 . 4wt 、丙烯酸( aa )中和度为85 、丙烯酰胺( am )含量20 、聚乙烯醇( pva )含量为20 ，且后交联剂用量为0 . 5 ，后交联温度和时间分别为120 、 4min时，所得camp纤维的吸水性能较好，随着后交联温度提高， camp纤维的聚集态结构变得规整。
• The significance of the flame - retardant fiber researches and the existent products , the properties and uses of the special flame - retardant fibers such as vinyl chloride - vinylidene chloride copolymer , acrylonitrile - vinylidene chloride copolymer and poly ( vinyl alcohol - vinylidene chloride ) are presented , and the common flame - retardant fibers and flame - retardant agents are summarized
  摘要介绍了研究阻燃纤维的意义、目前阻燃纤维的品种和特种阻燃纤维（偏氯纶和腈氯纶及维氯纶）的性能、用途，并对常见的阻燃涤纶及其阻燃剂进行了表述。
• The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation , the violet visible spectrophotometer , the laser particle size analyzer and scanning electron microscopy ( sem ) . the following aspects of the production technique were carefully studied : 1 . the effects of surfactants , poly ( vinyl alcohol ) ( pva ) , poly ( vinyl pyrrolidone ) ( pvp ) , sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated
  本研究的主要内容有以下三个方面: 1 、研究了阴离子表面活性剂、非离子表面活性剂、聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸钠( sa - na ) 、聚丙烯酸钠( pa - na )对石墨在水中分散性和稳定性的影响; 2 、研究了分散方法、分散介质、 ph值及羧甲基纤维素钠( cmc )含量对石墨在水中分散性和稳定性的影响; 3 、研究了聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸钠( sa - na ) 、聚丙烯酸钠( pa - na )四种助分散剂与羧甲基纤维素钠( cmc )复配对石墨在水中分散性和稳定性的影响。