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CAS 9002-89-5 Polyvinyl Alcohol PVA

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POLYVINYL ALCOHOL (PVA)

2011-4-19 · Polyvinyl alcohol (CAS no. 9002-89-5) was placed on the agenda of the 61st JECFA. Polyvinyl alcohol was first prepared by Hermann and Haehnel in 1924 by hydrolyzing polyvinyl acetate in ethanol with potassium hydroxide. Polyvinyl alcohol is produced commercially from polyvinyl acetate, usually by a continuous process.

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Polyvinylalkohol – Wikipedia

2020-3-4 · Polyvinylalkohol (Kurzzeichen PVAL oder PVOH) ist ein thermoplastischer Kunststoff, der als weißes bis gelbliches Pulver meistens durch Verseifung (Hydrolyse) von Polyvinylacetat (PVAC) hergestellt wird. Der direkte Syntheseweg ist nicht möglich. PVAL ist beständig gegen fast alle wasserfreien organischen Lösemittel.[2] Teilverseifte

Geschichte · 

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2020-3-7 · PubMed:NTP Toxicology and Carcinogenesis Studies of Polyvinyl Alcohol (CAS No.9002-89-5) in Female B6C3F1 Mice (Intravaginal Studies). PubMed:Review of the oral toxicity of polyvinyl alcohol (PVA). PubMed:Amino acid turnover by elongating cattle blastocysts recovered on days 14 …

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Polyvinyl Alcohol Properties. Polyvinyl alcohol (CAS: 9002-89-5) resin is a kind of heavy polymer. It is usually a white or slight yellow floccules, flake, granular or powdery in appearance. Polyvinyl alcohol is non-toxic, insipid and non-polluting. Polyvinyl alcohol is …

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9002-89-5 聚乙烯醇 cas号9002-89-5分子式、结构式

9002-89-5 聚乙烯醇 中文名称: 聚乙烯醇 英文名称: Ethenol, homopolymer CAS No.: 9002-89-5 分子式: C2H4O 同分异构体 分子量: 44.053 EINECS号: 209-183-3; 618-340-9 类别: 醇类

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Wego Chemical Group is a Polyvinyl Alcohol supplier. Wego supplies Polyvinyl Alcohol to various industries for a variety of applications and uses. Wego is an importer of Polyvinyl Alcohol to numerous countries around the world. Manufacturers rely on Wego for a reliable, efficient, and cost-effective supply of Polyvinyl Alcohol.

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Let’s know more about polyvinyl alcohol (CAS 9002-89-5) Main uses of polyvinyl alcohol The CAS No. of polyvinyl alcohol is 9002-89-5, PVA is its abbreviation. Polyvinyl alcohol is mainly used in manufacturing of polyvinyl acetal, gasoline resistant pipeline, vinylon synthetic fiber, fabric treatment agent, emulsifier, paper coating, adhesive and etc. A water-soluble polyvinyl alcohol fiber …

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Polyvinyl Alcohol|9002-89-5

CAS No. 9002-89-5: Molecular Formular: C2H4O: EINEC No. Molecular Structure: Product Property: Dry, unplasticized polyvinyl alcohol powders are white to cream colored, soften at about 200°with decompn. Commercial polyvinyl alcohols have different contents of residual acetyl groups and therefore different viscosity characteristics.

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PVA(聚乙烯醇) - 搜狗百科

2018-9-15 · 英文名 polyvinyl alcohol,vinylalcohol polymer 化学式 [C2H4O]n CAS登录号 9002-89-5 水溶性 溶于水 闪 点 79℃ 危险性描述 吸收后对身体有害,可燃,具有刺激性。

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ポリビニルアルコール - Wikipedia

2020-3-3 · ポリビニルアルコール (polyvinyl alcohol, PVA,PVOH) は合成樹脂の一種で、親水性が非常に強く、温水に可溶という特徴を持つ。 別名をポバール(POVAL)とも呼ばれる。

概要 · 

CAS # 9002-89-5, Poly(vinyl alcohol), PVA

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Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 9002-89-5, Whether you call it Polyvinyl Alcohol, Ethenol Homopolymer or PVA you can be assured the Polyvinyl Alcohol products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.

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2018-2-7 · 用途一:主要用于纺织行业经纱浆料、织物整理剂、维尼纶纤维原料;建筑装潢行业107胶、内外墙涂料、粘合剂;化工行业用作聚合乳化剂、分散剂及聚乙烯醇缩甲醛、缩乙醛、缩丁醛树脂;造纸行业用作纸品粘合剂;农业方面用于土壤改良剂、农药粘附增效剂和聚乙烯醇薄膜;还可用于日用化妆品

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