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The grinding fineness of paint is one of the important qualities of color paint, which has a great impact on film forming quality, film gloss, durability, storage stability of paint, etc., and is one of the routine testing items of paint production. The fineness of the paint refers to the size of the particle size or the uniformity of the dispersion of the pigment or the bulk pigment, and the unqu...
First. Application of paper coating Paper coating is mainly used in packaging printing, book printing, poster printing and other fields, which can improve the gloss of paper, waterproof, oil-proof, wear-resistant, anti-folding and other functions. The paper coating can not only improve the quality of the paper, but also enhance the durability, stability and aesthetics of the paper, and is also a s...
First, resin reaction temperature standard The reaction temperature of resin is an important process parameter, which has great influence on the reaction rate, physical properties and chemical stability of resin. In general, the resin reaction temperature should be determined according to different resin types and catalyst types. The following are some commonly used resin reaction temperature stan...
1.Type: There are three main types of water-based acrylic resins, including emulsion, water dispersion and aqueous solution. The emulsion is synthesized by emulsifying olefins in water under the action of water-based free radical initiator. The aqueous dispersion is synthesized by free radical solution polymerization or stepwise solution polymerization. Aqueous acrylics are directly soluble in wat...
Water-based coatings, acrylic resins are commonly used resins that can not be avoided, commonly used metal coatings, ABS, PC coatings, glass coatings that require hardness, most of them will be applied to acrylic resins, especially solid acrylic resins. There are many varieties of solid acrylic resins, and some solid acrylic resins can be used to produce water-based paints, including the popular l...
Fabric coating finishing is to evenly coat a layer of molecular film on the surface of the fabric to give the fabric with various functions and expand the use of the fabric. Compared with other coating materials, polyurethane coating has high tensile strength, large elongation, good elasticity, good wear resistance, heat resistance, low temperature resistance and aging resistance, and is a hi...
Aqueous acrylic emulsion is a kind of chemical raw material with strong function and excellent performance, which is widely used in many fields such as coating, ink, textile, papermaking and waterproofing. This emulsion is mainly composed of pure acrylic monomer, which is prepared by precise copolymerization, and its non-toxic and pollution-free characteristics make it popular. I.Physica...
(1)Paint for transportation vehicles cars, ships, aircraft and other transportation vehicles, in addition to meet the requirements of gloss, friction resistance, adhesion, etc., due to its special frequency of use and environment, the waterproof performance of waterborne polyurethane coatings used is also put forward high requirements. The water-based polyurethane waterproof coating referred to he...
What is Water-based acrylic Emulsion? How is water-based acrylic emulsion classified? Water-based acrylic emulsion is a type of emulsion that is produced by emulsion polymerization, in which various monomers of acrylic acid are polymerized. This emulsion is widely used in the coatings, adhesives, paper, and textile industries. The production process can be simply described as follows: First, mix p...
Water-based acrylic resin and water-based acrylic emulsion have the following differences: 1.Appearance: • Water based acrylic resin: available in a variety of forms, both solid and liquid. Solid water-based acrylic resin is powder, need to be diluted with water after use; Liquid water-based acrylic resin can be transparent or milky liquid, its particle size is relatively small, generally in a nan...
Aqueous acrylic emulsion High viscosity is a monomer polymerization emulsion with good self-crosslinking performance, which helps to improve the density and water resistance of the film. The high hardness ensures the stability of the coating under external physical impact, and the high solid content increases the covering power of the coating and reduces the number of construction. Alkali resistan...
Liquid end hydroxyl polybutadiene rubber (HTPB) is a liquid rubber with hydroxyl functional group at the end of the molecular chain of polybutadiene, which is colorless or light yellow transparent liquid at room temperature. HTPB and chain extender, polyisocyanate cross-linking agent in the reaction at room temperature or high temperature can generate three-dimensional network structure of the sol...
Glove PU coating refers to coating the outer layer of gloves with a layer of polyurethane (PU) material. This coating has a variety of functions, mainly including: Oil and chemical resistance: makes the gloves suitable for work environments where oils and chemicals need to be handled. Anti-slip and wear resistance: Enhances the stability of the gloves in wet or greasy environments, reduces the ris...
In the formulation of water-based paint, the choice of emulsion raw material is the most important decision for the engineer. The main properties of the paint are determined by the resin. There are a wide variety of water-based acrylate emulsions, including polystyrene-acrylate emulsions, which are mixed in the market. The different composition of water-based acrylate resin has great influence on ...
(1) The use of hydrosol Hydrosol is a polymeric dispersion of very small particles, which has the characteristics of both emulsion system and solution system, and can effectively improve water resistance (2) Reduce the amount of emulsifier Although emulsifier plays an important role in the formation of micelles in polymerization and the stability of the polymerization emulsion, it is als...
Water-based viscosification emulsion plays a very important role in water-based acrylic pressure sensitive adhesive, which can improve the adhesion strength and initial viscosity of pressure sensitive adhesive on high and low energy surface, so as to achieve the best balance point, and improve the application range and grade of pressure sensitive products. Today, I will introduce you to the applic...
sinograce chemical
Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials. Sinograce Chemical Company is composed of R&D center, Manufacture center, Quality control department, Market center and International trade department. We have been dedicating to research on excellent paint/coating, adhesive for over 15 years. And now still conti...
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