1、湖南省湘维有限公司
湖南省湘维有限公司（简称湘维）是一家国有独资企业，始建于1971年，1978年建成投产，主营业务为聚乙烯醇（PVA）及其相关化工产品。 2021年，公司在当地政府支持下实施破产重整并恢复生产。 通过技术攻关，其高端PVB专用料等产品获得市场认可。 2024年实现聚乙烯醇（PVA）产量4.4万吨。 2026年1月，公司获评“化工重点监控点”。
2、Hunan Xiangwei Co., Ltd._POLYVINYL ALCOHOL (PVA
we are the leading manufacturer of pva in china.we have been in this field for more than 40years.now our capacity for pva and pva fiber is 150000mt per year and 20000mt per year.we are state-owned company and are one subsidiary of China Chemical Group.
3、Hunan Xiangwei Co., Ltd_ Polyvinyl alcohol _ calcium hydroxide
Xiangwei, formerly known as Hunan Vinylon Factory, was founded in 1971 and officially put into operation in April 1979. It is a wholly state-owned large-scale enterprise.
Polyvinylacetate Manufacturers & Suppliers, China polyvinylacetate
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Polyvinyl Acetate Emulsion(China hunan polyvinyl acetate emulsion
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Magpow Polyvinyl Acetate Non
Hunan Magpow Adhesive Group is a Hi-tech enterprise in developing, manufacturing and sales of all kinds of adhesive with head office in Hunan International Commerce in Changsha City.
Hunan Xiangwei Co., Ltd._POLYVINYL ALCOHOL (PVA),PVA fiber,polyvinyl
Hunan Xiangwei Co., Ltd. Follow POLYVINYL ALCOHOL (PVA),PVA fiber,polyvinyl butyral (PVB),VINYL ACETATE (VAM),METHYL ACETATE No. 158, Jianxiang South Road, Changsha, Hunan, China (Mainland) Totally has 1 empolyees in Tradesns Home Page Announcement Employees Visitors Products
POLYVINYL ALCOHOL
Using vinyl acetate as the main raw material, a water-soluble and environmentally friendly flocculent polymer compound was obtained through polymerization and alcoholysis processes, which is suitable for architectural coatings and textile sizing, urea-formaldehyde resin, paper processing, etc. Appearance is white or yellowish flocculent solid ...
Hunan Xiangwei Co., Ltd._POLYVINYL ALCOHOL (PVA
主营产品： POLYVINYL ALCOHOL (PVA),PVA fiber,polyvinyl butyral (PVB),VINYL ACETATE (VAM),METHYL ACETATE 出口市场： Domestic Market:80.00%|Southeast Asia:5.00%|Eastern Asia:4.00%
Hunan, a land steeped in both ancient culture and vibrant modernity, has given rise not only to rich historical heritage but also to a diverse array of chemical products. Among these, Hunan polyvinyl acetate (PVAc) stands out as a remarkable innovation. This high-performance polymer material, with its unique properties and vast application potential, is rapidly becoming an indispensable component of modern industrial development.
Chemical Composition and Properties Polyvinyl acetate, also known as poly(vinyl acetate), is a thermoplastic polymer synthesized through the polymerization of vinyl acetate monomers. It boasts exceptional mechanical strength, outstanding water resistance, oil resistance, and superior adhesive properties. These characteristics have made it a versatile material widely utilized across industries such as construction, automotive, packaging, electronics, and more.
Applications in Key Industries
- Construction: PVAc is extensively used in flooring, wall decorations, door/window sealing strips, and waterproof coatings. Its hydrophobic nature makes it ideal for humid environments like swimming pools and bathrooms, while its durability ensures long-lasting structural integrity.
- Automotive: With growing demands for lightweight and eco-friendly materials, PVAc’s low density and easy molding capabilities have positioned it as a preferred choice for manufacturing auto parts. It reduces vehicle weight to improve fuel efficiency and supports recycling to minimize environmental impact.
- Packaging: The material’s moisture-proof and shock-resistant properties make it a top pick for food and pharmaceutical packaging. Its transparency and malleability also enable innovative designs that combine aesthetics with functionality.
- Electronics: As devices shrink in size, PVAc’s excellent electrical insulation and heat resistance have secured its role in critical applications like circuit board protective layers and battery encapsulation, ensuring reliable performance under high temperatures.
Challenges and Limitations Despite its advantages, PVAc has notable drawbacks. Its flammability poses significant risks; exposure to open flames or high temperatures can lead to rapid ignition or even explosions. Strict safety protocols and controlled usage environments are essential to mitigate these hazards.
Broader Impact Across Sectors Beyond its primary applications, PVAc contributes to various other fields:
- Agriculture: Used in fertilizer bags and pesticide containers.
- Textiles: Employed as a coating for water-resistant and durable paper products.
- Healthcare: Utilized in medical device housings for enhanced protection.
Future Prospects While PVAc’s limitations cannot be overlooked, its significance in modern society continues to grow. Rising demand for high-performance, eco-friendly materials aligns with PVAc’s strengths. Advances in material science may unlock new applications, reinforcing its role in driving industrial progress. prioritizing safety measures remains crucial to prevent potential risks associated with its flammability.
As technology evolves, Hunan polyvinyl acetate is poised to expand its influence, offering innovative solutions while upholding stringent safety standards. Its journey reflects both the ingenuity of chemical engineering and the relentless pursuit of sustainable industrial advancement.
