1、聚乙酸乙烯酯_百度百科
聚乙酸乙烯酯（Polyvinyl acetate，简称PVAc）的研究始于20世纪初。 1912年，德国化学家Fritz Klatte首次通过乙酸乙烯酯的聚合合成了该物质，并获得了相关专利。 在1920年代，随着聚合技术的进步，聚乙酸乙烯酯开始工业化生产，最初用于制造安全玻璃的中间层。
2、Polyvinyl acetate (PVAc)
Polyvinyl acetate, a synthetic resin prepared by the polymerization of vinyl acetate. In its most important application, polyvinyl acetate serves as the film-forming ingredient in water-based (latex) paints; it is also used in adhesives.
3、Poly(vinyl acetate)
Polyvinyl acetate is a rubbery synthetic polymer. It is a component of glue and is used mainly as an adhesive for porous materials, particularly for wood, paper, and cloth. While polyvinyl acetate itself is not considered hazardous, it usually contains trace amounts of its precursor, vinyl acetate, which is toxic. (L1301, L1302)
4、Polyvinyl Acetate
Polyvinyl acetate (PVA) and polyvinyl alcohol (PVOH) are further examples of ethylene copolymers. PVA is used as an emulsion adhesive for bag, sack and carton making.
Polyvinyl Acetate_化工百科
Polyvinyl Acetate - 简介 聚醋酸乙烯酯，也被称为聚乙烯酸乙酯，是一种聚合物材料。 性质： 1. 聚醋酸乙烯酯是无色至微黄色的固体，在常温下呈现为高透明度和玻璃状的外观。 2. 具有良好的耐化学性，耐溶剂性和耐热性。 3. 高度可塑，可用于制成各种 ...
Polyvinyl acetate: Properties, Production process and Uses
PVAc is a transparent glassy substance at room temperature. It is a colorless, odorless, nontoxic, thermoplastic and water-insoluble polymer. In the presence of an acid or alkali, it can be alcoholyzed to produce PVA. PVAc has high stability to light and hardly ages under the action of light.
Polyvinyl Acetate (PVAc)
Polyvinyl Acetate, commonly referred to as PVAc, is a synthetic polymer renowned for its adhesive properties. This colorless material is characterized by its versatility and low toxicity, making it a popular choice in several industries.
Polyvinyl acetate
Polyvinyl acetate (PVA or PVAc) is a rubbery synthetic polymer. It is prepared by polymerization of vinyl acetate monomer, also referred to as VAM. Partial or complete hydrolysis of the polymer is used to prepare polyvinyl alcohol. Hydroylized alcohol product is typically in the 87% to 99% range (converted PVA).
What is Polyvinyl Acetate?
Polyvinyl acetate is a thermoplastic polymer commonly used in glues, paint, and a number of industrial adhesives. Polymers are essentially large molecules linked together in such a way that they are very strong and durable.
Polyvinyl Acetate Uses: Adhesives, Industrial Applications & Safety
Polyvinyl acetate, often shortened to PVAc, is a man-made polymer produced by joining vinyl acetate molecules together. It forms soft, flexible films when it dries, which makes it excellent for bonding porous materials like paper and wood.
Polyvinyl Acetate (PVAc): An Overview Polyvinyl acetate (PVAc) is a thermoplastic polymer with diverse applications. The following article explores its properties and significance:
What is Polyvinyl Acetate? Polyvinyl acetate is a critical synthetic resin polymerized from vinyl acetate monomers. Its molecular structure, rich in ester bonds, endows it with strong chemical stability and malleability. PVAc exhibits a broad molecular weight range (from several thousand to hundreds of thousands), resulting in varied physical properties.
Properties of Polyvinyl Acetate
- Excellent Chemical Stability: PVAc remains stable against most acids, alkalis, and salts at room temperature, resisting chemical reactions.
- Outstanding Mechanical Performance: It combines high tensile strength, hardness, toughness, and wear resistance, making it widely used in industries such as packaging, construction, automotive parts, and medical devices.
- Superior Electrical Insulation: PVAc’s strong electrical insulating properties suit it for manufacturing electrical equipment.
- Optical Clarity: Its transparency and gloss make it ideal for lenses, eyeglasses, and decorative items.
- Biocompatibility: Non-toxic and harmless to humans, PVAc is extensively employed in medical materials like artificial joints and cardiac stents.
Applications of Polyvinyl Acetate
- Packaging Materials: Leveraging its mechanical and insulating properties, PVAc is used in food, pharmaceutical, and cosmetic packaging.
- Construction Materials: Its flexibility and durability lead to applications in flooring, ceilings, doors, and windows.
- Automotive Parts: High strength-to-weight ratios enable uses in bumpers, interior panels, and engine covers.
- Medical Devices: Biocompatibility and low toxicity ensure safety in implants and surgical tools.
- Optical Products: Clarity and refractive index suitability support lenses, optical filters, and prisms.
Future Prospects Growing technological demands propel PVAc’s role in eco-friendly materials, smart materials, and advanced engineering. Ongoing innovations aim to enhance its performance, expanding its utility in sustainable and high-tech sectors.
As a high-performance polymer, polyvinyl acetate continues to drive progress across industries. Its adaptability and versatility position it as a cornerstone material for modern technology and everyday convenience.
This translation maintains technical accuracy while ensuring readability. Key terms (e.g., thermoplastic polymer, biocompatibility) align with scientific terminology, and structural headings preserve the original organization.
