Anti-ultraviolet paint for cosmetic packing bottles and preparation method and application technique thereof
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An anti-ultraviolet, packaging bottle technology, applied in the field of coatings, can solve the problems of easy separation of cosmetic fat and water, cosmetic deterioration and failure, oxidation of oils and fragrances, etc., and achieves low water absorption, improved corrosion resistance, and good water resistance.
Inactive Publication Date: 2019-07-26
广州澳盈日化包装用品有限公司
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[0004] The existing water-based plastic coating paint has good adhesion, hardness, high temperature resistance and light resistance, but because some cosmetics encounter ultraviolet radiation, the oil and spices in the cosmetics will oxidize and destroy the pigment, so that Some ingredients in cosmetics lose their vitality, and at higher temperatures, the fat and water in cosmetics are easy to separate, making cosmetics deteriorate and fail. The coating is the problem that needs to be solved
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preparation example 1-3
[0042] The silane coupling agent KH570 is selected from the silane coupling agent of the model KH-570 sold by Guangzhou Baocheng New Material Technology Co., Ltd. The ceramic powder is selected from the product number 256-9 sold by Yancheng Mineral Products Processing Factory, Lingshou County, Shijiazhuang City The ceramic powder, titanium dioxide is selected from the titanium dioxide of the model NTR606 sold by Guangzhou Xueyu Trading Co., Ltd.
preparation example 1
[0043] Preparation example 1: (1) Add 1kg of silane coupling agent KH570 into deionized water, mix well, add 3kg of titanium dioxide and 3kg of ceramic powder, stir at 250r / min for 10min, centrifuge at 4000r / min for 30min, Wash twice with deionized water, and dry to constant weight at 78°C;
[0044] (2) Add 4 kg of styrene, 3 kg of polytetrafluoroethylene and 2 kg of polyvinyl alcohol to the product obtained in step (1), ultrasonically treat it for 10 minutes, add 1 kg of ammonium persulfate, react for 4 hours, suction filter, wash and vacuum dry.
preparation example 2
[0045] Preparation example 2: (1) Add 2kg of silane coupling agent KH570 into deionized water, mix well, add 6kg of titanium dioxide and 4kg of ceramic powder, stir at 280r / min for 15min, centrifuge at 4200r / min for 32min, Wash twice with deionized water and dry at 81°C until constant weight;
[0046] (2) Add 5 kg of styrene, 3.5 kg of polytetrafluoroethylene and 4 kg of polyvinyl alcohol to the product obtained in step (1), ultrasonically treat it for 13 minutes, add 2 kg of ammonium persulfate, react for 4.5 hours, suction filter, wash and vacuum dry.
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Abstract
The invention discloses an anti-ultraviolet paint for cosmetic packing bottles and a preparation method and application technique thereof. The anti-ultraviolet paint is made from, by weight, 30-45 parts of resin emulsion, 4-8 parts of an aid, 6-10 parts of a filling material, 3-5 parts of an ultraviolet absorbent, and 20-30 parts of deionized water. The resin emulsion is made by mixing a silica-modified acrylate, polyurethane acrylate and hollow glass beads in a mass ratio of 1:(0.8-1):(0.5-0.8); the ultraviolet absorbent comprises, by weight, 5-10 parts of modified titania, 3-5 parts of methyl silicone oil, 3-6 parts of polydimethylsiloxane, 3-5 parts of phenyl salicylate, 1.8-2.5 parts of zirconia fiber, 1.4-2.4 parts of ceramic fiber, and 20-30 parts of epoxy resin emulsion. The anti-ultraviolet paint for cosmetic packing bottles has good heat insulation effect and high ultraviolet resistance.
Description
technical field [0001] The invention relates to the technical field of coatings, more specifically, it relates to an anti-ultraviolet coating for cosmetic packaging bottles, a preparation method and a coating process thereof. Background technique [0002] Due to the characteristics of light weight, easy processing, corrosion resistance, and abundant resources, plastics are widely used in our daily life, and gradually replace glass bottles, becoming the main material in the cosmetic packaging market. In recent years, plastic packaging has occupied 80% of cosmetic packaging materials above. At present, the materials used in plastic packaging containers for cosmetics mainly include polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polyvinyl chloride (PVC), etc. In order to make the surface of cosmetic packaging bottles With rich color effects, it is generally sprayed with multiple layers of paint on cosmetic packaging bottles. [0003] In the prior art,...
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