聚乙烯醇 (CAS No.9002-89-5)
- 物化性质
- 常温下易溶于水，水溶液透明；pH值在5-7左右，粘度稳定；几乎不受弱酸、弱碱或有机溶剂（酯、酮、高级醇、烃类）的影响，耐油性极高；具有良好的成膜性、粘接性和乳化性。
- 外观
- 白色粉末或颗粒。 常温下易溶于水，水溶液透明无杂质。
English description（英文原文，共 1242 字符）
Product Name:Polyvinyl Alcohol
English Name:Polyvinyl Alcohol
CAS No.:9002-89-5
Aliases:PVA, Poly(vinyl alcohol), Vinyl alcohol polymer
Molecular Formula:(C2H4O)n
Physical Properties:Easily soluble in water at room temperature, forming a clear aqueous solution. The pH value is around 5-7 with stable viscosity. It is almost unaffected by weak acids, weak bases, or organic solvents (esters, ketones, higher alcohols, hydrocarbons), and has extremely high oil resistance. It also exhibits excellent film-forming, adhesive, and emulsifying properties.
Uses:Widely used in construction, textile, papermaking, chemical, agricultural and other industries as adhesives, film-forming agents, emulsifiers, and stabilizers. In the textile industry, it serves as a warp sizing agent; in papermaking, as a coating binder; in cosmetics, as a film former and thickener; and in the film sector, for producing water-soluble packaging films.
Technical Specifications:
Appearance: white powder or granules.
Easily soluble in water at room temperature, forming a clear and impurity-free aqueous solution.
pH value (4% aqueous solution): 5-7.
Viscosity (4% aqueous solution, 20°C): typically 5-50 mPa·s depending on grade.
Packaging: 25 kg per bag.
English Name:Polyvinyl Alcohol
CAS No.:9002-89-5
Aliases:PVA, Poly(vinyl alcohol), Vinyl alcohol polymer
Molecular Formula:(C2H4O)n
Physical Properties:Easily soluble in water at room temperature, forming a clear aqueous solution. The pH value is around 5-7 with stable viscosity. It is almost unaffected by weak acids, weak bases, or organic solvents (esters, ketones, higher alcohols, hydrocarbons), and has extremely high oil resistance. It also exhibits excellent film-forming, adhesive, and emulsifying properties.
Uses:Widely used in construction, textile, papermaking, chemical, agricultural and other industries as adhesives, film-forming agents, emulsifiers, and stabilizers. In the textile industry, it serves as a warp sizing agent; in papermaking, as a coating binder; in cosmetics, as a film former and thickener; and in the film sector, for producing water-soluble packaging films.
Technical Specifications:
Appearance: white powder or granules.
Easily soluble in water at room temperature, forming a clear and impurity-free aqueous solution.
pH value (4% aqueous solution): 5-7.
Viscosity (4% aqueous solution, 20°C): typically 5-50 mPa·s depending on grade.
Packaging: 25 kg per bag.
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常见问题
- 聚乙烯醇的 CAS 号是多少？
- 聚乙烯醇的 CAS 号是 9002-89-5。
- 聚乙烯醇的分子式和分子量是什么？
- 聚乙烯醇的分子式为 (C2H4O)n。
- 聚乙烯醇的英文名称是什么？
- 聚乙烯醇的英文名称为 Polyvinyl Alcohol。
- 聚乙烯醇还有哪些别名？
- 聚乙烯醇又称 PVA、聚乙烯醇树脂、乙烯醇均聚物。
- 聚乙烯醇有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条聚乙烯醇供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 聚乙烯醇的供应商主要分布在哪些地区？
- 聚乙烯醇的供应商主要分布在 上海市（1 条） 等地。
- 聚乙烯醇有哪些级别可选？
- 平台上聚乙烯醇的供应级别包括 工业级。
- 聚乙烯醇的报价单位是什么？
- 聚乙烯醇的报价单位主要有 千克。
- 哪里可以查到聚乙烯醇的价格？
- 掌上化工聚乙烯醇产品页汇总了各供应商的最新报价与规格，地址：/chemicals/9002-89-5/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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