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According to the "In-depth Research and Development Forecast Report on China's High-Strength and High-Model PVA Industry from 2024 to 2029" released by the China Industrial Research Institute, the global polyvinyl alcohol (PVA) film market size will reach 13.827 billion yuan in 2023, and is expected to reach 13.827 billion yuan by 2029. , this market size will grow to 14.368 billion yuan, and the composite materials forecast within the year has been 0.65%. Although this data directly targets the PVA film market, the strong point is that as an important application field of PVA, its market size growth trend should be consistent with or more significant than the overall PVA market.   In China, the market demand for high-strength and high-modulus PVA fibers is growing rapidly. According to statistics from the China Chemical Fiber Industry Association, the actual output of high-strength and high-modulus polyvinyl alcohol fiber in my country in 2020 was 44,800 tons. With the advancement of technology and the expansion of the market, production should increase in recent years. In particular, China's PVA-coated high-barrier film market will grow by 19.2% year-on-year in 2023, and is expected to grow by 7.8% year-on-year in 2024. This data shows the rapid growth of market demand in this field, and also indirectly reflects high-end products such as high-strength and high-modulus PVA fibers. The market demand is constantly expanding.   With the continued growth of the global economy and the continuous advancement of science and technology, the demand for high-performance fiber materials in high-end fields has become increasingly prominent. Especially in the fields of national defense, aerospace and other fields, the demand for high-strength and high-modulus polyethylene fibers will continue to grow. At the same time, the demand for high-strength and high-modulus PVA fibers in many industries such as building materials, textiles, papermaking, and coatings is also expanding.   In the context of increasing global environmental awareness, the high-strength high-mode PVA industry will also develop in a more environmentally friendly direction. By adopting environmentally friendly materials and optimizing production processes, pollution emissions in the production process are reduced and resource utilization efficiency is improved.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

The global consumption structure of polyvinyl alcohol (PVA) is: polymerization assistants account for about 24%, polyvinyl butyral (PVB) accounts for about 15%, adhesives account for about 14%, textile pulp accounts for about 14%, and paper pulp Materials and coatings account for about 10%, and others 23%.   The consumption structure of polyvinyl alcohol (PVA) in China is: polymerization assistants account for about 38%, fabric slurries account for about 20%, adhesives account for about 12%, vinylon fibers account for about 11%, papermaking slurries and coatings account for about 8% %, architectural coatings account for about 5%, and others 6%. Polymerization aids, fabric sizing and adhesives are the main downstream consumer markets for polyvinyl alcohol.   In the first half of 2023, the supply and demand of China PVA products were in a weak balance, and prices were running at low levels. The advantages of China PVA variety in supporting a stable market share. With the introduction of new technologies, new processes, and new products, the continuous expansion of new application fields, and the gradual replacement of imported products, new development opportunities have been brought to the domestic polyvinyl alcohol and vinylon industry. However, as various companies increase their export efforts and adopt fierce competition at the low end, and with the adjustment of China's industrial structure, rising wages and other costs, and high environmental protection requirements, some downstream industries, such as the labor-intensive textile industry, have relocated to Southeast Asia, making domestic Demand growth momentum has slowed, foreign consumption has increased, and exports have increased. After more than ten years of competitive integration and optimization, the industry is showing a new pattern of optimized production capacity, increased concentration, stable market varieties, slow growth in market demand, high technical barriers, moderate competition, and innovation-driven development, reaching a new balance between supply and demand. Develop into a benign new business format.   With the rapid development of PVA downstream industries such as PVA optical film, PVB film, polymerization additives, soil improvement, paper adhesives, ceramic adhesives, environmental protection, medicine and cosmetics, the demand for special PVA products is very strong, and Anhui The special PVA products of leading enterprises in the industry represented by ElephChem have developed rapidly, and they have increased their research and development efforts on PVA fiber, PVB resin, PVB film, PVA optical film, redispersible rubber powder and other products. Special varieties of PVA and The production technology of downstream new material products is becoming increasingly mature, filling many gaps in the country. New PVA products are gradually being put on the market, and their market share is also constantly increasing. Common varieties have basically achieved import substitution, and the downstream consumption structure of the domestic PVA industry has been further expanded.

China is one of the world's largest PVA production countries, since 1965 Beijing Oriental Petrochemical Co., LTD. (the former Beijing Organic Chemical plant) from Japan to introduce technology to build China's first set of calcium carbide acetylene method (from calcium carbide acetylene method to petroleum ethylene method in 1995) PVA production plant, China's PVA production has developed steadily.   According to statistics, in 2015, China's polyvinyl alcohol (PVA) production was about 700,000 tons, increasing to 802,000 tons in 2022, with a compound annual growth rate of 1.96% during the period. In terms of demand, the apparent consumption of PVA in China in 2022 was 639,600 tons, an increase of 2.16%. Common types such as PVA 2488, PVA 2088 and PVA 0588 are in great demand in various fields.   Output and consumption

VAE emulsion, short for Vinyl Acetate Ethylene copolymer emulsion, is a versatile material widely used in various industries. Its unique properties make it an essential ingredient in the manufacturing of adhesives, paints, coatings, and construction materials.   VAE Emulsion is a water-based dispersion composed of vinyl acetate and ethylene monomers. This copolymerization results in a high-quality emulsion that offers outstanding adhesive properties, excellent flexibility, and exceptional bonding strength. VAE Emulsion acts as a binder, providing exceptional stability and enhancing the performance of various end products.   One of the notable applications of VAE Emulsion is in the production of adhesives. Due to its excellent adhesion properties, VAE Emulsion is widely used in industries such as woodworking, paperboard lamination, and packaging. The high bonding strength and flexibility of VAE Emulsion enable it to deliver durable and long-lasting adhesion, ensuring the integrity of bonded surfaces.   In the world of architectural coatings, VAE Emulsion plays a crucial role as a binder. It is known for its exceptional film-forming abilities, providing coatings with excellent weather resistance, water repellency, and durability. Moreover, VAE Emulsion enhances the color stability and gloss of coatings, resulting in a visually appealing finish. Its versatility allows it to be used in various coating systems, including exterior paints, interior wall paints, and textured coatings.   Construction materials also benefit from the extraordinary properties of VAE Emulsion. It can be combined with cement, gypsum, or other powders to produce VAE Redispersible Powder. When used in tile adhesives, grouts, and self-leveling compounds, VAE Redispersible Powder enhances workability, water retention, and adhesion strength. This combination ensures reliable performance in demanding applications, such as tile installation and repair.   While the quality of the product itself is essential, exceptional service adds significant value to the overall customer experience. ELEPHCHEM, a leading supplier of VAE Emulsion and related products, is known for its commitment to providing comprehensive services. From technical support to customized solutions, ELEPHCHEM assists clients in optimizing their applications and achieving the desired results. Their expertise and industry knowledge have made them a trusted partner for many businesses.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

Polyvinyl alcohol, commonly known as PVA, is a versatile polymer that has found its way into numerous industries due to its exceptional properties and wide range of applications.   Polyvinyl Alcoho is a water-soluble synthetic polymer that finds application in diverse industries. It is commonly used as a binder in the production of paper, textiles, and nonwoven fabrics. PVA imparts desirable characteristics to these materials, including improved strength, tear resistance, and printability. Additionally, it acts as a key ingredient in personal care products, such as shampoos, hair gels, and face masks, providing viscosity and film-forming properties.   PVA Powder, also referred to as PVA Granules, is a finely powdered form of polyvinyl alcohol.When PVA products are produced, they are in the form of flakes and floc. In order to facilitate transportation and later dissolution, PVA flakes need to be ground into particles or powders of different sizes. It should be noted that the smaller the particles, the better. Specific methods must be used during the dissolution process of particles or powders that are too small to prevent the powder from agglomerating when exposed to water. For specific methods, please refer to "How to make PVA dissolve faster"   PVA Resin has high molecular weight and improved physical properties, PVA Resin offers enhanced tensile strength, flexibility, and solubility. It is widely utilized in the production of various fiber types, such as synthetic fibers, due to its excellent affinity for dyes and ability to improve fiber strength. Moreover, PVA Resin serves as a crucial ingredient in the formulation of latex paints, where it provides improved adhesion and water resistance properties.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.  

VAE emulsion is short for ethylene acetate-ethylene copolymerization emulsion, which is a polymer emulsion made of ethylene acetate and ethylene monomer as the basic raw materials and other auxiliary materials through emulsion. Products with ethylene acetate content in the range of 70%～95% are usually in the emulsion state, called VAE emulsions.     VAE Emulsion is a copolymer of vinyl acetate with low ethylene content having been developed as a powerful adhesive base. It has excellent performance in environmental protection, has good adhesion and environmental protection properties, and is widely used in green fine chemical products. Due to its excellent comprehensive performance and environmental protection characteristics, VAE emulsion is very popular in the market and has become an indispensable green fine chemical product. ‌VAE emulsion is widely used in building materials, textiles, printing and dyeing, papermaking, adhesives, etc. Recommended: ★ ;   Useful: ●   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.  

VAE emulsion is the abbreviation of vinyl acetate-ethylene copolymer emulsion. It is a polymer emulsion formed by emulsion polymerization of vinyl acetate and ethylene monomer as basic raw materials with other auxiliary materials.‌The production process of VAE emulsion mainly includes the following steps‌: The main raw materials of VAE emulsion include ethylene, vinyl acetate, emulsifier and initiator. Ethylene can be made from naphtha or natural gas; vinyl acetate is made from the reaction of ethylene and acetic acid.   After mixing ethylene and vinyl acetate in a certain proportion, they are passed into the reactor, initiators and emulsifiers are added, and emulsion polymerization is carried out under appropriate temperature and pressure. Control the reaction speed and temperature to completely convert the monomer and generate VAE emulsion‌.   The generated VAE emulsion needs to be degassed to remove unreacted monomers and low molecular volatiles. Adjust the pH value of the emulsion to make it more stable, and perform filtration to remove impurities and solid particles in the emulsion.   Put the processed VAE emulsion into a special container, seal it and store it away from direct sunlight and high temperature environment.   The production and use of VAE emulsion must comply with national and local environmental protection standards, including emission standards for waste water, exhaust gas, noise, etc. Waste water, waste gas and other waste generated during the production process need to be effectively treated and discharged to ensure compliance with environmental protection requirements.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

Vinyl acetate is a colorless flammable liquid with a strong odor. Its vapor is irritating to the eyes. It is insoluble in water but soluble in most organic solvents. Vinyl acetate monomer is flammable and reacts rapidly with chlorine, bromine, and ozone. There are two production process routes for vinyl acetate monomer: the ethylene method and the acetylene method. The acetylene method can be divided into a liquid phase method and a gas phase method, and the ethylene method can also be divided into a liquid phase method and a gas phase method.   Acetylene gas phase method: desulfurized and dephosphinated calcium carbide acetylene and acetic acid are used as raw materials, the catalyst is zinc acetate-activated carbon (15:100), and a promoter is added. The reaction temperature is 170~200℃, the pressure is atmospheric pressure, and the space velocity is 200~400/h. Reaction results: acetic acid single-pass conversion rate is 25~40%, acetylene single-pass conversion rate is 12~16%. The selectivity of VAM is 92~96% for acetylene and 95~98% for acetic acid. The total yield of VAM is 97~98% for acetic acid and 92~96% for acetylene.   The catalysts for the ethylene gas phase process are mainly Pd-Au, Pd-Pt and Pd-Cd supported catalysts, and the carriers are mainly silica gel and alumina. The two main factors affecting the catalyst are the coordination ability of Pd and the ability of acetic acid or acetate to oxidize Pd(0) to Pd(II). The single-pass conversion rate of ethylene in this process is 8~10%, the single-pass conversion rate of acetic acid is 8~20%, and the VAM selectivity based on ethylene is 90~94%.   In the past few years, the acetylene process has been gradually replaced by the ethylene process due to the high cost of raw materials. However, with the continuous rise in oil prices, the acetylene process has regained economic vitality, especially the acetylene process using natural gas as raw material. At present, the acetylene process still occupies an important position in China. The ethylene gas phase process occupies a dominant position in the market due to its good processability and economic performance. At present, the ethylene production technology in China accounts for more than 55% of the total national production capacity.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

The redispersible emulsion powder is first physically mixed with other inorganic cementing materials (such as cement, hydrated lime, etc.) and various aggregates and additives to make dry mixed mortar. When the dry mixed mortar is mixed with water, under the action of hydrophilic protective colloid (polyvinyl alcohol) and mechanical shear force, the rubber powder particles are dispersed into the water, and affect the rheology, constructability, compressive bending strength and tensile bond strength of the mortar.   Ceramic tile binder is the cement-based bonding material of ceramic tile, which can be used to paste natural stone such as ceramic tile, polished brick and granite. The addition of redispersible emulsion powder can extend the working time and adjust the time of the newly mixed mortar, improve the water retention performance and anti-hanging performance; Improve the bonding property, deformation resistance and aging resistance of hardened mortar.   External wall insulation system has been applied in the field of the world, and its installation on the external wall of the building mainly saves the energy consumption of the building 40%-70%. Dry mix mortar modified with redispersing emulsion powder is used to bond polystyrene board to the wall while protecting the polystyrene board. For protective mortars as well as cement-based decorative mortars, polymer adhesive powder provides good adhesion, impact resistance, low water absorption and high flexibility even in harsh environments.   After film formation, the emulsion and redispersed emulsion powder can form high tensile strength and bond strength on different materials, and they are combined with cement as the second binder in the mortar, and the cement and polymer play the corresponding special features respectively, so that the performance of the mortar can be improved.   Even if the type of emulsion powder copolymer is the same, due to the different production processes of different manufacturers, the properties of latex powder are different, and its properties in the corresponding mortar should be considered comprehensively when selecting rubber powder. With the increase of the national promotion of the use of dry mixed mortar, the demand for redispersible emulsion powder is showing a rapid growth momentum, which is bound to usher in a new peak of use.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

Hot melt adhesive is solvent-free, almost odorless, pollution-free, and easy to apply, so it is widely used in many fields. Hot melt adhesive with ethylene-vinyl acetate random copolymer (EVA) as the base resin is one of the most important varieties of hot melt adhesive, which can be used in packaging materials, book binding, wood processing and other industries.   The development of EVA hot melt adhesive in my country began in the early 1970s. In the 1980s, due to the rapid development of related industries and industries such as printing, food and beverage, wood processing, and electronics, various production lines were introduced to stimulate the rapid growth of new product development and production capacity of EVA hot melt adhesive. EVA hot melt adhesive is mainly used in the following fields in my country.   1 Book binding EVA hot melt adhesive is used for wireless binding, which changes the cumbersome processes of threading round backs, gluing, and covering the cover used in the past for binding books with latex, greatly shortening the book publishing cycle and improving work efficiency and book binding quality. 2 Wood processing In wood processing, EVA hot melt adhesive is mainly used in combination with panel furniture edge banding machines for furniture edge banding, which has changed the backward appearance of manual operation in the past, and is easy to fold and assemble, which improves labor efficiency. 3. Clothing lining EVA and EVAL powders are inexpensive and have good adhesion. They are suitable for various coating processes such as powder coating, powder dot coating, and slurry coating. The hot melt lining made of EVA hot melt adhesive can make the clothing beautiful, crisp, non-deformed, and low-cost. 4 Packaging The bonding ability of EVA hot melt adhesive is relatively stable, not affected by changes in temperature and humidity in the working environment, and eliminates the inherent gluing and peeling problems of packaging machinery. Therefore, EVA hot melt adhesive can be used in the packaging industry in the fields of cardboard and cardboard boxes, cement bags, labeling, food packaging, protective packaging, and packaging container sealing.   EVA hot melt adhesive is also used in the manufacture of electrical appliances such as televisions, air conditioners, refrigerators, as well as the shoemaking industry, PET blow molding bottles, cigarette filter winding, outer packaging tear strips, cable joint sealing, oil pipeline anti-corrosion and other fields.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com   ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

EVA hot melt adhesive is a solvent-free, water-free, 100% solid fusible polymer. It is solid at room temperature and becomes a liquid adhesive that can flow and has a certain viscosity when heated and melted to a certain degree. It is light brown translucent or white after melting.   EVA hot melt adhesive is mainly made of the following four components: base resin, namely EVA resin, tackifying resin, wax, antioxidant, and a small amount of filler can be added in some occasions to increase the gap filling and reduce costs.   EVA hot melt adhesive has the following characteristics: (1). It has fast curing, low pollution, strong adhesion, and the adhesive layer has certain flexibility, hardness, and toughness; (2). After the adhesive liquid is applied to the adherend and cooled and solidified, the adhesive layer can be heated and melted again to become an adhesive body and then bonded to the adherend, with a certain degree of re-adhesion; (3). When using, just heat and melt the hot melt adhesive into the required liquid state and apply it to the adherend. After pressing, the bonding and curing can be completed within a few seconds, and the hardening, cooling and drying can be achieved within a few minutes.   The type of EVA determines the cohesive strength, flexibility, adhesion to the substrate and processability of the hot melt adhesive. For hot melt adhesive, the following properties of EVA should be paid attention to: molecular weight and its distribution, vinyl acetate (VA) content, crystallinity, softening point, melting point, melt index (MI) and melt viscosity, etc., because these properties directly affect the various properties of hot melt adhesive.   As the melt index of EVA increases, its strength, hardness, softening point and viscosity all decrease regularly; and the more VA content in EVA, the greater the elongation at break and the lower the hardness. In addition, when the VA content exceeds 30%, although the adhesion to polar and various non-porous non-polar substrates is improved, this EVA polymer is incompatible with wax, which is a point to be noted when designing hot melt adhesive formulas. In a formula, it is often necessary to use EVA with different MI or EVA with different VA content to obtain satisfactory comprehensive performance.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.

EVA resin is short for ethylene acetate-ethylene resin, which is a polymer made of ethylene acetate and ethylene monomer. According to the different contents of ethylene acetate, the copolymers of ethylene and ethylene acetate were divided into EVA resin, EVA rubber and VAE emulsion. .Products containing less than 40% vinyl acetate are EVA resins.    EVA resin has good softness and shock-absorbing properties. It is one of the materials widely used in the footwear manufacturing industry and can be used to make soles, insoles, uppers and other components. It is also often used as a cushioning material, such as knee pads, wrist pads, and ankle pads in sporting goods, as well as car seat pads, motorcycle seat pads, etc.   EVA resin can be molded through various processing methods, such as extrusion, injection, calendering, etc., and it also has shock-absorbing properties. It is an excellent packaging material such as protective film, liner, protective cover, etc. to protect items during transportation and storage. No damage is caused during the process.   The chemical resistance of EVA resin can resist the erosion of many chemical substances. In medicine, EVA resin is often used to make medical instruments and equipment, such as surgical instruments, medical tapes, gloves, etc. It has good chemical resistance and transparency, and meets hygiene and health requirements. It is also an insulating material for electronic products, such as cable insulation tubes, insulating gaskets, etc. It can also be used as a protective material for batteries, with excellent chemical resistance and heat insulation properties.   In terms of building materials, EVA resin can be used as building materials, such as sound insulation panels, heat insulation panels, etc. It has good sound absorption, heat insulation and weather resistance properties, and can improve the comfort of buildings.   Agricultural use EVA resin can be used as agricultural covering film. It has good weather resistance and light transmittance, and can protect crops from bad weather.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.