First, environmental performance VOC content Needless to say, water-based wood paint is perfect in this respect, water-based wood paint is based on water as a solvent with ultra-low VOC content, and will not produce pungent odor during construction. Nitrocellulose paint and polyester paint add organic solvents, and their products contain benzene, toluene, xylene and its derivatives, which are volatilized into the air during the process of brushing and drying, directly stimulating the human sensory organs and endangering the health of construction workers. Therefore, the organic volatile matter content of oily wood paint is high, and the environmental protection performance is poor. Long periods of ventilation are required after construction is completed. Second, security In the process of storage and transportation, water-based wood paint replaces organic solvents with water, which has the characteristics of safety and non-flammable. Greatly reduce the production, circulation link of dangerous factors and trouble. Benzene, xylene, acetone, solvent gasoline, and tenna water contained in nitro paint and polyester paint are highly flammable items, and there are safety risks. Third, the convenient performance of renovation The moisture in the water-based wood paint evaporates quickly, so the surface of the water-based wood paint dries quickly and is convenient for rapid construction. And because of its good environmental performance, it can be moved in after the completion of construction, reducing unnecessary trouble and saving time. Nitrocellulose paint and polyester paint because their organic solvents will volatilize harmful gases during the drying process, so it takes a long time to ventilate after renovation or decoration. Not only pollute the air and volatilize is not clean, the residual VOC will cause harm to people, so it needs to be avoided for a long time before use, which is very troublesome. Because the renovation also has to consider the problem of "homelessness". Four, paint film hardness Now the hardness of water-based wood paint is also increasing, and the hardness of its two-component water-based wood paint can be comparable to that of paint. Five, paint film feel and fullness, color The film of waterborne wood paint feels smooth, delicate and not dry, and the film is mainly thinly coated and open and semi-open. Up to 9 splitters. The paint is easier to achieve high fullness, the color brightness is better, and the high gloss is easier to achieve but requires a cleaner construction environment. Sixth, yellowing resistance, durability Waterborne wood paint yellowing is generally good, steam impervious paint film has breathability, is not easy to crack or fall off, durability is better. Conventional paint products have poor yellowing resistance and excellent chemical resistance. The paint film is hard so it is easy to crack and fall off.

Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials and water based adhesive. On February 5, 2024, Sinograce Chemical held a year-end work summary meeting and a New Year party. Sinograce Chemical wishes all customers a happy New Year and a better and better New Year.

Water-based coating adhesive is a product based on water-based environmental protection emulsion system, which is mainly used in the field of packaging and printing, and can firmly bond film materials to paper and other surfaces. Characteristics of water-based coating adhesive Fast dry ：Under the appropriate temperature and pressure conditions, the water-based coating adhesive will dry quickly and improve production efficiency. Strong adhesion: It can effectively keep the material firmly bonded, withstand external forces such as stretching, twisting or shearing, and avoid problems such as detachment, spots or cracking. Good weather resistance:The film formed by water-based film adhesive after drying has good weather resistance, can resist the erosion of environmental factors such as sunlight and moisture, and increase the service life of the coated material. Application scenario of water-based coating adhesive Water-based film adhesive is usually used to compound paper with BOPET/BOPP film, and is widely used in print surface treatment. After composite, the gloss and color saturation of the printed product will be improved, while preventing scratches and stains on the surface of the printed matter, improving the durability and quality of the printed matter. The composite of paper and BOPET/BOPP film usually adopts the dry composite process of drying channel: the water-based coating adhesive is evenly coated on the surface of the film, and the water in the water-based coating adhesive begins to evaporate through heating and ventilation of the drying channel. At this time, the film and paper coated with glue are combined to form a stable composite structure. Sinograce waterborne film adhesive is widely used in the drying process of paper and BOPET/BOPP film. The product can dry quickly, has good leveling, initial viscosity and freeze-thaw stability, and has excellent bond strength to achieve a firm and flat film effect. Sinograce water-based film adhesive has a wide range of application, has good adaptability to gold and silver printing products, and has obvious reinforcement effect on the paper coating with a loose surface. Its process is simple, easy to operate, environmental protection, and is especially suitable for the use of medium and high speed automation equipment. In addition, the product also has excellent resistance to embossing and bump properties, which can meet a variety of complex post-processing requirements.

An important link in the production of color printing packaging is after color printing or paper-plastic film decoration, now the means of packaging products mainly rely on film or glazing, advertising instructions, books and notebook covers, commodity packaging and signs are all so. In terms of surface coating or glazing, there are now a variety of decorative methods to choose from, such as: (1)Cover BOPP, PE or PVC plastic film with water-based laminating glue; (2)With organic solvent-based coated plastic film; (3)Cover the plastic film with a plastic film pre-coated with adhesive; (4)Select the high-grade coated paper that has been coated with finishing agent directly, and no longer polish or laminate after printing; (5)After printing, the surface is coated with water-based polishing oil; (6)The surface is coated with organic solvent-based polishing oil; (7)With UV UV curing glazing oil and so on. Correct understanding of the advantages and disadvantages of these surface decoration methods, how their respective vitality, how the future development trend, not only for the packaging and printing industry is extremely important, the development and production of related adhesives, glazing oil, finishing agent, plastic film, laminating and glazing machinery and equipment manufacturers are also extremely important. First of all, let's talk about the performance and use characteristics of water-based film adhesive, it is a white emulsion adhesive composed of water as a dispersing agent and high molecular polymer as a dispersing phase. The real water-based film adhesive should not contain any organic solvent, the residual organic monomer should be less than 0.1%, and it smells no odor or slightly alcohol or ester fragrance. Good water-based coating adhesive can be used for water-based machine, can also be used for oil machine, water machine structure is simple, cheap (2.5 ~ 100,000 yuan/set), driving speed, is generally 2 times the speed of oil machine. Good water-based adhesive content is about 1 times higher than oil-based adhesive, and it is wet coated, and the adhesive is dry and transparent by the absorption and distribution of water by the paper fiber after coating, and firmly bonded with the plastic film. The product gloss and whiteness of water-based adhesive are better than that of organic solvent-based adhesive, and the adhesive force is equivalent to solvent-based adhesive. And water-based adhesive with water-based machine coating using cold bonding method, without heating drying, can save a lot of energy; Due to the high content of water-based adhesive, the coating area of water-based adhesive of the same weight is more than 50% larger than that of solvent adhesive, so the product cost of water-based adhesive coating is much lower than that of solvent adhesive; Because water-based adhesive does not contain toxic, flammable, explosive, environmental pollution of organic solvents, but also reduce the risk of fire, because water-based adhesi...