1、Improvement in hardwood bonding strength of polyvinyl acetate emulsion
With this emulsion, a hardwood glue with 47.80 percent of solids, 21.760 cP viscosity, and an average grab strength of 17.63 MPa was formulated, corresponding to an increase of 5.86 MPa compared to a similar glue with monomodal particle size distribution.
2、聚醋酸乙烯乳液_百度百科
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。
3、新型改性醋酸乙烯酯共聚物乳液的研究
MORE Emulsions of polyvinyl acetate, butyl acrylate and organosilicon were synthesized to prepare a novel modified polymer emulsion. Influences of polymerization processes, emulsifiers, BA and organosilicons on polymerization and properties of copolymer emulsions and their films were investigated.
4、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).
5、Effects of the Preparation Conditions and Reinforcement Mechanism of
The focus of this study was to determine the effects of preparation conditions on the viscosity of the polyvinyl acetate (PVAc) emulsion, including reaction temperature (Tr), initiator concentration (CAPS), monomer concentration (CVA), pH value, and degree of dilution (Ddi).
Polyvinyl Acetate ( PVAc ) Emulsion Wood Adhesives
Formulation and application technologies of polyvinyl acetate (PVAc) emulsion resin wood adhesives are presented based on open literature. Properties and formulation methods of commercially available PVAc resins with various common and cross-linking additives are presented.
Modification of polyvinyl acetate(PVAc) emulsion by
The influence of proportion on the properties of polyvinyl acetate copolymer emulsion was studied, using vinyl acetate as material, polyvinyl alcohol as protective colloid and methyl acrylate as modifier.
Cellulose Stabilized Polyvinyl Acetate Emulsion: Review
PDF | On Jan 1, 2021, Pritam V. Dhawale and others published Cellulose Stabilized Polyvinyl Acetate Emulsion: Review | Find, read and cite all the research you need on ResearchGate
Emulsion polymerization of vinyl acetate: Safe optimization of a
In this work, it is shown how to use the topological criterion theory together with proper adiabatic calorimeter and RC1 experimental data to safely optimize the synthesis of polyvinyl acetate through the radical emulsion polymerization of vinyl acetate by the means of an indirectly cooled isoperibolic semibatch reactor.
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.
In the modern field of building materials, polyvinyl acetate emulsion (VAE emulsion) has garnered significant attention as an environmentally friendly construction coating. Renowned for its unique properties and broad application prospects, it not only offers a cost-effective and eco-friendly alternative for the construction industry but also plays a vital role in enhancing aesthetic appeal, improving durability, and extending the lifespan of buildings. This article aims to delve into the efficacy of polyvinyl acetate emulsion and analyze its value in the realm of architectural coatings.
Polyvinyl acetate emulsion is a polymer emulsion synthesized using polyvinyl alcohol (PVA) as the primary raw material, combined with auxiliary agents such as cross-linking agents and emulsifiers. It boasts excellent stability, water resistance, and weather resistance, alongside superior film-forming properties and adhesion, making it widely applicable in architectural coatings.
1. Excellent Weather Resistance Polyvinyl acetate emulsion demonstrates exceptional resilience to environmental factors such as ultraviolet radiation, rain, and temperature fluctuations. This makes it an ideal choice for outdoor architectural coatings. For instance, in the maintenance of public infrastructure like roads, bridges, parks, and plazas, VAE emulsion provides long-term protection, reduces maintenance costs, and prolongs the lifespan of structures.
2. Superior Adhesion The emulsion exhibits strong adhesion to various substrates, forming tight coatings that enhance durability and waterproofing. This is particularly critical for high-rise buildings, bridges, tunnels, and other key infrastructure projects. By utilizing VAE emulsion as a coating material, moisture penetration can be effectively prevented, internal humidity reduced, and the quality of living and working environments improved.
3. Optimal Film-Forming Properties During the film-forming process, polyvinyl acetate emulsion creates uniform, dense coatings with good gloss and transparency. These qualities have led to its widespread use in decorative coatings. Indoor applications, such as wall and ceiling finishes, benefit from its ability to produce visually appealing, comfortable, and healthy spaces.
4. Environmental and Energy Efficiency As a non-toxic, harmless, and eco-friendly coating, polyvinyl acetate emulsion is free of volatile organic compounds (VOCs), posing no harm to humans or the environment. Compared to traditional solvent-based coatings, its production and application are more environmentally friendly, reducing pollution. Thus, it holds a distinct ecological advantage in the coating industry.
5. Economic Practicality Despite its relatively higher cost, the comprehensive performance of VAE emulsion offers long-term economic benefits. Compared to conventional solvent-based coatings, it has a longer service life, reducing the frequency and expense of repainting. Additionally, its straightforward application—requiring no specialized equipment or techniques—lowers construction complexity and costs.
6. Enhanced Aesthetic Appeal Polyvinyl acetate emulsion delivers stable color retention and gloss, providing a wide range of hues to suit diverse architectural styles and aesthetic preferences. Exterior coatings using VAE emulsion enrich facades’ visual appeal and market value, elevating the overall image of buildings.
polyvinyl acetate emulsion stands out as a high-performance architectural coating, excelling in weather resistance, adhesion, film-forming properties, environmental friendliness, and cost-efficiency. With growing awareness of sustainability and demand for green materials, VAE emulsion is poised to play an increasingly pivotal role in the coating industry. In the future, technological advancements and expanding applications may position it as the top choice for architectural projects worldwide, fostering healthier and more sustainable living and working environments.
