Processing method for interior wall latex paint having radon absorbing effect
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A technology for interior latex paint and processing methods, applied in latex paint, biocide-containing paint, antifouling/underwater paint, etc., can solve problems such as increased damage intensity, and achieve increased emulsification, quality, and weather resistance Good, reduce decoration pollution effect
Inactive Publication Date: 2018-09-28
晴隆县申利普涂料有限公司
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Studies have shown that even if the content of a single VOC in indoor air is lower than its limit, the mixed existence and interaction of multiple VOCs will increase the hazard intensity.
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Embodiment 1
[0040] Present embodiment provides a kind of processing method of interior wall latex paint with radon absorbing effect, concrete process is as follows:
[0041] a. In parts by weight, take 23 parts of polyester resin, 5 parts of hydroxypropyl methacrylate, 40 parts of deionized water, 11 parts of silicon-acrylic emulsion, 4 parts of emulsifier, 31 parts of ethanol, and 1 part of dispersant. Stir evenly in a 150r / min agitator, transfer to the polymerization reactor, seal the reactor and add nitrogen gas accounting for 1 / 3 of the reactor volume, under the protection of nitrogen, drop 3 parts of initiator, slowly heat up, the heating rate The temperature is 5°C / min. After the temperature is raised to 55°C, the temperature is controlled to be constant, and the polymerization reaction is carried out. After the reaction is completed, it is cooled to room temperature, and the crude emulsion is prepared for use;
[0042] b. Transfer the above crude product emulsion to a closed mixer,...
Embodiment 2
[0053] Present embodiment provides a kind of processing method of interior wall latex paint with radon absorbing effect, concrete process is as follows:
[0054] a. In parts by weight, take 27 parts of polyester resin, 3 parts of hydroxypropyl methacrylate, 45 parts of deionized water, 13 parts of silicon-acrylic emulsion, 5 parts of emulsifier, 28 parts of ethanol, and 1 part of dispersant. Stir evenly in a 175r / min stirrer, transfer to the polymerization reactor, seal the reactor and add nitrogen gas accounting for 1 / 3 of the reactor volume, under the protection of nitrogen, add 3.5 parts of the initiator dropwise, slowly heat up, the heating rate The temperature is 5°C / min. After the temperature is raised to 55°C, the temperature is controlled to be constant, and the polymerization reaction is carried out. After the reaction is completed, it is cooled to room temperature, and the crude emulsion is prepared for use;
[0055] b. Transfer the above crude product emulsion to a ...
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Abstract
The invention relates to the technical field of processing of coatings, and in particular relates to a processing method for interior wall latex paint having a radon absorbing effect. The processing method comprises the following steps: uniformly stirring polyester resin, hydroxypropyl methacrylate, deionized water, a silicone-acrylic emulsion, an emulsifier, ethanol and a dispersant in a stirrerwith a rotation speed of 125-300 r / min, moving the stirred material into a polymerization reaction kettle, under the protection of a nitrogen gas, adding an initiator dropwise, performing slow heating, performing a polymerization reaction, after the reaction is completed, performing cooling to room temperature to prepare an emulsion of a crude product, adding titanium dioxide, a surfactant, ethylene glycol, a radon absorbing reagent, an anti-settling agent, polydimethylsiloxane, a bactericidal mould inhibitor, eucalyptus oil and deionized water, placing the mixed material into a closed stirrerwith a rotation speed of 250-350 r / min, under the protection of a nitrogen gas, performing slow heating, performing uniform mixing for 1-3 h, opening a cover for discharging a gas to prepare an emulsion of a secondary product, adding a material, performing uniform stirring, performing grinding to prepare white slurry, performing quality inspection, and enabling a product passing the quality inspection to be the finished-product latex paint.
Description
technical field [0001] The invention relates to the technical field of paint processing, in particular to a processing method for interior wall latex paint with radon absorbing effect. Background technique [0002] Emulsion paint (Emulsion Paint.), also known as synthetic resin emulsion paint, is a kind of organic paint. It is a kind of water-based paint formulated with synthetic resin emulsion as the base material, adding pigments, fillers and various additives. According to different production raw materials, latex paint mainly includes polyvinyl acetate latex paint, ethylene-propylene latex paint, pure acrylic latex paint, styrene-acrylic latex paint and other varieties. According to the different application environment of the product, it is divided into two types: interior wall latex paint and exterior wall latex paint. According to the gloss effect of the decoration, it can be divided into dull, matte, semi-gloss, mercerized and glossy. Latex paint has many advantage...
Claims
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