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Novel polyurethane extinction glass oil
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A technology of matting varnish and polyurethane, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of not outstanding yellowing resistance and poor emulsion storage, achieve anti-sedimentation effect, avoid easy oxidation, and good The effect of coating properties
Active Publication Date: 2014-04-16
SICHUAN DOWELL SCI & TECH INC
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The disadvantage of this patent is that the storage of the emulsion is not good, and the blackness, hand feeling and yellowing resistance in leather application are not outstanding
Method used
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Embodiment 1
[0038] A new type of polyurethane matting varnish, by weight, the formula consists of:
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Abstract
The invention provides a novel polyurethaneextinction glass oil. The novel polyurethaneextinction glass oil comprises the following compositions in parts by weight: 10 to 30 parts of isopropanol, 0.1 to 0.5 part of a PH modifier, 70 to 100 parts of polyurethane, 0.1 to 0.5 part of a dispersing agent, 2 to 5 parts of organosilicone extinctionpowder, 0.1 to 0.5 part of an antifoaming agent, 0.1 to 0.5 part of waxpowder, 5 to 10 parts of a feeling agent, 2 to 6 parts of a thickening agent, and 30 to 50 parts of water. The extinction glass oil has an anti-settling effect, the yellowing resistance is good, the extinction material does not gather, the extinction glass oil cannot become white during spraying, and the blackness is good; in addition, the hand feeling is good, and the moist, soft and comfortable wax feeling is achieved.
Description
technical field [0001] The invention belongs to the field of leather chemical industry, and in particular relates to a novel polyurethane matting varnish. Background technique [0002] A resin coating layer is formed on the leather surface, which not only makes the leather surface oil-resistant and sweat-resistant, but also protects the leather grain and beautifies the leather surface. Polyurethane resin is a common material for leather finishing. It is mainly used for top coating. It has excellent adhesion, softness, transparency, bending resistance, low temperature resistance, chemical resistance, heat resistance and abrasion resistance. It is the most widely used . [0003] Polyurethane top coating is mainly divided into high gloss and matte according to its brightness. Matting is an essential product to meet the different needs of people. At present, there are relatively few methods for this new type of matting varnish, and the product positioning is also uneven. Due...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information
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