1、聚醋酸乙烯乳液_百度百科
聚醋酸乙烯类乳液Polyvinyl acetate emulsion是以醋酸乙烯为单体，水为分散介质，进行乳液聚合而得。 由于聚醋酸乙烯乳液具有胶黏强度较高、固化速度较快、使用方便、价格便宜、无毒安全、无环境污染等特点，适用于木材加工、家具制造、建筑装修、书籍装订、织物处理、卷烟接嘴、汽车内装饰等胶黏剂的制备。
2、聚醋酸乙烯乳液
名稱：聚醋酸乙烯乳液 Polyvinyl acetate emulsion 用途：聚醋酸乙烯乳液，是一種常用白乳膠，主要用於木材、裝飾板、紙張加工、無線裝門、皮件、木質與水泥製品的粘合以及印染固著劑等，使用方便、無毒無臭、無腐蝕塊，分D505型、I型、Ⅱ型和Ⅲ型四種型號，含 ...
3、Polyvinyl acetate and polyurethane
The polyvinyl acetate emulsion (PVAc) and vinyl acetate/water-based polyurethane hybrid emulsions were successfully prepared in this research work. The weight percentage of polyurethane components was varied to synthesize emulsions with different properties.
白胶，纸品胶，纺织品胶，卷烟胶，铅笔胶，史莱姆胶
聚醋酸乙烯酯乳液（polyvinyl acetate emulsion,PVAc white glue,PVA wood glue）是以醋酸乙烯为主单体的高分子聚合物。 适用于木材、纸张、纤维等多孔性材料的粘接，广泛应用于印刷、木材加工、建筑、皮革、卷烟、铝箔纸的复合、砂布砂纸等行业，也可用于内墙涂料 ...
Preparation and properties of polyvinyl acetate using room temperature
In this paper, polyvinyl acetates (PVAcs) were prepared by free radical emulsion polymerisation at room temperature in the presence of persulphate and commercially available reducing agent monomer of 2- (dimethyl amino)ethyl methacrylate (DMAEMA).
Emulsion Polymerisation
Polyvinyl acetate is synthesized by the emulsion polymerisation of vinyl acetate monomer (VAM). PVAc emulsions are best known for their use in wood glues or school glues due to their strong adhesion properties.
聚醋酸乙烯酯乳液胶粘剂_百度百科
聚醋酸乙烯酯 (Polyvinyl Acetate, PVAc)乳液胶粘剂是以 乙酸乙烯酯 (VAc)作为反应单体在分散介质中经乳液聚合而制得的，也称聚乙酸乙烯酯乳液，俗称白乳胶或白胶，是 合成树脂 乳液中产量最大的品种之一。 1929年，德国的H. Plauson首先采用乳液聚合法制得聚醋酸乙烯酯乳液，于1937年实现了工业化生产，特别是德国法本 (Farben)公司的W. Starck和Frendeberg发明的以 聚乙烯醇 (PVA)作保护胶体进行乙酸乙烯酯乳液聚合的方法，大大推动了PVAc乳液工业的发展。 我国于20世纪50年代开始进行聚醋酸乙烯酯乳液的研究开发工作，至70年代聚醋酸乙烯酯乳液工业得到了快速发展，现在其产量仅次于 聚丙烯酸酯乳液 胶粘剂，位居水基胶粘剂产量的第二位。
PVAc EMULSION
These are mainly used in woodworking and furniture manufacture, in the paper and packaging industry, in screen printing photo emulsion as well as metal polish and furniture and floor care products...
Cellulose Stabilized Polyvinyl Acetate Emulsion: Review
Exploring cellulose as a stabilizer for polyvinyl acetate emulsion polymerization with reinforcement has created potential applicabil-ity of cellulose in adhesives. Surface hydroxyl groups in cellulose act as sites for functionalization, making it material for the adhesive sector.
Polyvinyl Acetate Emulsions – Product Applications
Vinyl acetate monomer, which is prepared from ethylene by reaction with oxygen and acetic acid over a palladium catalyst, is polymerized while dispersed in water to form a milky-white polyvinyl acetate emulsion (hereinafter referred to as PVAc).
In modern industry and construction, advancements in material science have unlocked unprecedented possibilities for various applications. Among these, polyvinyl acetate emulsion (PVAc)—a high-performance synthetic material—has garnered significant attention due to its unique physicochemical properties. This material not only exhibits excellent adhesive capabilities but also demonstrates superior water resistance, chemical resistance, and biocompatibility, making it indispensable across multiple industries.
The primary component of polyvinyl acetate emulsion is polyvinyl acetate (PVAc), a polymer formed by the polymerization of vinyl acetate monomers. Its molecular structure contains numerous polar groups, which enable strong interactions with diverse substances, thereby delivering exceptional adhesive performance. Additionally, PVAc’s notable film-forming ability and flexibility make it highly effective in applications such as coatings, adhesives, and sealants.
The production of polyvinyl acetate emulsion involves three main stages: polymerization, emulsion preparation, and post-treatment. During polymerization, vinyl acetate monomers are polymerized into high-molecular-weight chains under controlled temperature and pressure. The polymer is then dissolved in a solvent to form a uniform emulsion. Finally, cross-linking agents or additives are incorporated during post-treatment to enhance performance and expand application scope.
Key application areas of polyvinyl acetate emulsion include:
- Construction: Used in waterproof coatings, sealants, and tile adhesives, addressing issues like moisture sensitivity and aging in traditional materials.
- Automotive manufacturing: Employed as an adhesive and sealant for interior components, improving vehicle safety and comfort.
- Electronics: Utilized in circuit board protective films and optical glass adhesives, highlighting its role in high-tech industries.
Performance advantages of PVAc emulsion include:
- Strong adhesion: Forms robust bonds between diverse materials.
- Water and chemical resistance: Withstands harsh environmental conditions.
- Biocompatibility: Suitable for medical applications.
- Ease of processing: Allows for efficient shaping and fabrication.
Despite its advantages, challenges remain. High production costs may limit competitiveness in certain markets, while its chemical stability could pose challenges in specific environmental contexts. Researchers are actively exploring modifications and process innovations to address these limitations and broaden PVAc’s applicability.
As a high-performance material, polyvinyl acetate emulsion plays a pivotal role in modern industry and construction. With its exceptional adhesive properties, durability, and versatility, it remains a cornerstone of technological and industrial progress. Ongoing advancements promise to further amplify its impact in future innovations.
