• Woodiness furniture besmeared nanometer coating to have what advantage
    Woodiness furniture besmeared nanometer coating to have what advantage

    2022-01-25

    Nano coating is widely used in modern times, and all industries are in use. What are the benefits of nano coating for wooden furniture? Let us know about it today. 1 Texture is more transparent Wood furniture nano coating is combined with furniture paint to form a new nano coating that can act as a filter to re-reduce wood texture permeability more than 10 times higher than the permeability of traditional paint. Nanomaterials can resist oxidation 2 perfect finish The nano-coating of the wooden furniture perfectly fills the defects of leveling the paint surface. Meanwhile, the composite nano-coating has a very uniform gloss, no refraction, no horizontal traces, showing a bright, non-glare, warm and comfortable visual experience 3 Feel more smooth The nano-coating of sensewood furniture is made of a new antifouling nano-material, whose single molecule is one-fifth the size of a hair, and its fineness is much higher than that of traditional materials, so it presents an amazing effect 4 The coating is antifouling and easy to clean Nano coating of wooden furniture has magical anti-fouling performance, almost all kinds of common stains are difficult to adhere to the film layer even the most serious oily traces in life, coated furniture can also be wiped with a clean water rag Our company produces nano superhydrophobic, which is used for building and wooden surface, car body, car glass and so on. Welcome to contact us, our email is sales@sinogracechem.com.

    read more
  • The application of waterborne polyurethane in the finishing of fabric
    The application of waterborne polyurethane in the finishing of fabric

    2022-01-24

    Cotton fabric is loved by everyone because of its good application characteristics such as soft touch, comfortable wear, moisture absorption and air permeability, but it also has defects such as poor elasticity and wrinkling after washing.In order to improve the shape retention of cotton fabric and to make it easy to maintain, it is usually treated with a hands-off finish.Etherified 2D resin finishing agent with low formaldehyde emission is the most widely used in the current domestic easy - to - iron finishing.Although this kind of finishing agent reduces the amount of formaldehyde released, the strength of the finished fabric is seriously damaged. In recent years, we have also developed polycarboxylic acid acetals and other new no-hot finishing agents, but the cost is high and the actual effect of no-hot is poor. It is difficult to obtain good comprehensive properties of cotton fabric with only one finishing solution, but reasonable combination of finishing solution can give cotton fabric various functions.Polyurethane (PU) is a copolymer with alternating hard and soft chains. Its chemical structure can be controlled and it is widely used in adhesives, coatings, printing, textiles and medicine.Waterborne polyurethane (WPU) uses water instead of organic solvent as its medium, which has attracted widespread attention because of its environmental protection characteristics.Different waterborne polyurethanes and etherized 2D resins were selected to be used as the hands-off finishing of cotton fabric, in order to increase the actual effect of hands-off finishing of fabric and reduce the strength damage, and according to the optimal ratio of different components, the formula of hands-off finishing liquid with the best shape preserving characteristics was obtained. Test results show (1)The strength retention rate of the cotton fabric after the compound finishing of etherized 2D resin and 8 different water-based polyurethane was improved to different degrees. When the mass concentration of water-based polyurethane was 60g/L, the strength retention rate was as high as 69.52%. (2)Strong protective agent can improve the strength retention rate of the cotton fabric after the ironing finishing, but excessive strong protective agent will reduce the wrinkling recovery of the cotton fabric According to various performance indexes of cotton fabric, when the mass concentration of etherized 2D resin is 100g/L, the mass concentration of water-based polyurethane is 40g/L, and the strong protective agent is 35g/L, the actual effect of free ironing is the best, the crease recovery Angle is up to 271.50, and the strength retention rate is 65.1 Our company produces polyurethane emulsion for textile, and all kinds of film glue, textile and so on, welcome to consult to buy, please click here

    read more
  • Study on waterborne polyurethane for fabric printing
    Study on waterborne polyurethane for fabric printing

    2022-01-20

    Compared with acrylic resin, water based polyurethane is a new and more environmentally friendly adhesive, because acrylic resin mostly contains hydroxymethyl acrylamide, which will produce formaldehyde during the use of water loss and crosslinking, causing air pollution and endangering human health.Waterborne polyurethane has the advantages of high bonding strength, good flexibility, good frost resistance, excellent wear resistance, good solvent resistance and so on. When it is used in fabric printing, it can give the printing pattern excellent frost resistance, wear resistance, softness, resilience, dry and so on.Because most water based polyurethane emulsion is obtained by self-emulsification method, a certain amount of hydrophilic groups are usually introduced, which will lead to reduced water resistance of waterborne polyurethane film; In addition, waterborne polyurethane is used as coating printing adhesive, the price is high, water fastness and wet rubbing fastness to be improved in order to overcome this defect, many scholars have carried out research on waterborne polyurethane for coating printing. Some homemade waterborne polyurethane printing crosslinker, at the same time synthesized better water resistance mixed polyurethane adhesive used in coating printing and anti-wrinkle anti-pilling finishing effect is better.The application process of waterborne polyurethane adhesive in coating printing was studied, including the influence of adhesive dosage, crosslinker dosage, optimum baking temperature and time on fabric printing performance.The water-based polyurethane for coating printing was self-synthesized. The indexes of rubbing fastness, hand soap fastness and so on were investigated. The indexes met the national standards (wet rubbing fastness above 2, dry rubbing fastness 2-3).The water-based polyurethane with excellent performance was synthesized by molecular design, and the influence of R value and DMPA percentage of polyester synthesis process on the performance of coating printing adhesive was investigated. The water-based polyurethane was modified by silicone/epoxy composite, and the coating printing glue with good comprehensive performance was prepared. At present, waterborne polyurethane adhesive used in coating printing generally needs to add curing agent to achieve the ideal washable performance, and too much curing agent will affect the softness of printing feel. Our company produces textile inks, adhesives, polyurethane coatings, welcome to consult

    read more
  • What factors affect the hydrophobicity of the coating
    What factors affect the hydrophobicity of the coating

    2022-01-18

    With the development of The Times, people's invention is more and more magical, super hydrophobic coating is one of them, the use of the product can make the surface of the pollutants or dust can be gravity, rain or wind and other external forces automatically removed or degraded.What factors will affect the coating hydrophobicity, let us know about it. 1 hydrophobic principle The wettability of water on a solid surface is related to the state of the solid surface.For different permeability models, the roughness of solid surface is different. Water is usually affected by Young s equation on an ideal smooth plane.When the solid surface has a certain roughness, the equation is not applicable to the wettability model of rough surface mainly including Wenzel model.The model has an important assumption: it is assumed that liquid can always fill grooves on rough surfaces, which does not seep liquid into the rough mechanism.In this case, the Cassie-Baxter model is mainly used, which assumes that the droplet base on the rough surface is compound contact, and the apparent liquid-solid interface is actually composed of solid and gas. 2 Factors affecting the hydrophobicity of coating The hydrophobicity of the coating is mainly determined by the chemical composition of the coating and the physical structure of the surface. The chemical composition mainly affects the hydrophobicity of the coating as a chemical group with low surface energy. At present, the widely used hydrophobic coating has fluorine coating, silicon coating and paraffin fluorine coating. The surface energy of fluorine group in fluorine coating decreases with the substitution of fluorine atom number, so fluorine atom number increases the hydrophobic function of the coating.The silicon-containing coating mainly forms special structures on the surface of the coating by sol-gel method, and silane monomers with a certain length of carbon chain can also be introduced to increase hydrophobicity. Paraffin is a mixture of straight-chain alkanes with 16-30 carbon atoms, which has low surface energy and water will not penetrate into its surface. When the organic coating contains larger hydrocarbon groups, it also has lower surface energy and a certain degree of hydrophobicity.The physical structure of the surface has a great influence on it.The hydrophobic coating on the surface of biological surface is mainly constructed by a special knot.Structurally, nanoparticles are constructed on the surface of particles to obtain micro/nano structure and achieve hydrophobicity. Our company produces all kinds of nano coating, used for car body, car windshield, building wall, textile fabric.Welcome to consult

    read more

Copyright © 2015-2025 Anhui Sinograce Chemical Co., Ltd..All Rights Reserved.powered by dyyseo.com

top