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809results about How to "Low VOC" patented technology

Water-based two-component fluorosilicone acrylic anticorrosive paint and preparation method thereof

The invention relates to a water-based two-component fluorosilicone acrylic anticorrosive paint. A film forming material component consists of 50-70 parts of water-based hydroxyl fluorosilicone acrylic resin, 20-40 parts of a pigment/filler, 1-10 parts of an auxiliary and 3-20 parts of de-ionized water, and a curing agent component comprises 5-10 parts of aqueous polyisocyanate and 1-5 parts of a thinner, wherein the weight ratio of the film forming material to the curing agent is 100: (5-15). The preparation method comprises the steps of dispersing and grinding the de-ionized water, the auxiliary and the pigment/filler, adding the water-based hydroxyl fluorosilicone acrylic resin, and uniformly stirring the prepared film forming material with the curing agent to obtain the paint. The anticorrosive paint has the advantages that a polysiloxane-polyurethane segmented copolymer is synthesized by taking the polysiloxane as a soft segment, thus enhancing water resistance, corrosion resistance and other performances; the shell raw material, which includes a fluorine-containing acrylic monomer, guarantees excellent ultraviolet and nuclear radiation resistance, flexibility, wear resistance and durability of coating. The paint is good in compatibility, self-dried at normal temperature, non-toxic and tasteless, low in volatile organic compound (VOC) and strong in coating adhesion, and can be widely applied to large steel structure, bridge, boat and other fields.
Owner:JIUQING PAINT SHANGHAI

Environmentally friendly hot melt adhesive membrane for automotive interior products, preparation method and application

The invention discloses an environmentally friendly hot melt adhesive membrane for automotive interior products, a preparation method and application. The environmentally friendly hot melt adhesive membrane for the automotive interior products comprises the following components in parts by mass: 100 parts of an elastic component, 0.1-50 parts of a non-elastic component and 0.1-20 parts of composite filler. The melt index of the elastic component is 0.9-30 g / 10 min (190 DEG C, 2.16 kg), the melt index of the non-elastic component is 0.2-10 g / 10 min (190 DEG C, 2.16 kg), and the melt index of the elastic component is greater than that of the non-elastic component. The composite filler comprises bamboo charcoal fibers and flame-retardant filler. The environmentally friendly hot melt adhesive membrane is used for adhesion of the automotive interior products, does not contain any organic solvents, does not produce toxic or harmful gas, and has antibacterial property and flame retardancy. Compared with a common antibacterial or flame-retardant product, the environmentally friendly hot melt adhesive membrane for the automotive interior products is simple and convenient to process.
Owner:HANGZHOU FIRST APPLIED MATERIAL CO LTD

Antibacterial water color ink and method for preparing same

The invention relates to an antibacterial water color ink for printed matters for packaging children products and a method for preparing the same. The method comprises the following steps: firstly, according to the stated weight percentage, evenly mixing and stirring part of a water soluble resin dispersoid, an amine stabilizer, a latent solvent, a bactericidal agent, deionized water and an antifoaming agent, then adding a pigment into the mixture, and dispersing the pigment at a rotating speed of between 500 and 1,200 rpm to prepare an even water soluble dispersed slurry; and secondly, pumping the water soluble dispersed slurry obtained in the step A into a sand mill by a pump, grinding the slurry until the fineness is less than or equal to 10 microns, then adding the remaining water soluble resin dispersoid, a wetting agent and a rheology modifier to the slurry, stirring the mixture until the materials are dispersed and mixed evenly, and adjusting the viscosity to prepare the antibacterial water color ink. The antibacterial water color ink prepared by the method has good adhesive force to various base materials or textiles, and the varnish thereof is full and has certain flexibility; besides, the antibacterial water color ink has low smell and ultra-low VOC without PAE and heavy metals, and has good antibacterial and antifungus functions.
Owner:SHENZHEN OCEANPOWER NEW MATERIALS TECH
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