Special odorless modified acrylic acid stoving varnish coating
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A kind of acrylic and special technology, applied in the direction of coating, etc., can solve the problems of large solvent volatilization, irritating nose and eyes, and health damage of workers, etc., and achieve the effect of excellent impact flexibility and good adhesion
Pending Publication Date: 2021-10-29
珠海市卓和化工科技有限公司
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Problems solved by technology
[0002] The baking varnish is to spray several layers of paint on the base that has been polished to a certain degree of roughness, and then baked at a high temperature to set the shape. Now the conventional baking varnish is used in the production process to produce toxic volatile gases due to the volatility of the solvent, and the flash point of the solvent in the work production It is easy to cause safety accidents, is flammable and explosive, affects the safety of production, and harms the health of workers. The high-temperature baking gas volatilizes and smells pungent, which has a great impact on the air environment;
[0003] In the market, the main resins of conventional amino baking varnishes are low-solid content resins with large solvent volatilization and low solvent boiling point. Resin resins have small molecular weights during production reactions and a small amount of monomer residues, and irritating odors are emitted during high-temperature film-forming reactions of paints. Conventional amino baking varnish has a pungent taste of volatile free formaldehyde; for this reason, we propose a special modified acrylic bright oil baking varnish with clean odor
Method used
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Embodiment 1
[0023] A special modified acrylic varnish with clean odor, in parts by weight, including 60 parts of HE61, 11 parts of nano black paste, 0.5 part of fumed silica, 0.2 part of BYK333, 0.1 part of TEGO410, 0.2 part of TEGO245, 5.7 parts of DBE, 2 parts of Z-6040, 13 parts of Bayer 3175, 3 parts of Cytec 303, 0.3 parts of cooling agent and 4 parts of 704 epoxy resin.
[0024] A preparation method of a clean-odor type special modified acrylic varnish paint comprising the following steps:
[0025] Step 1: Adjust the speed of the dispersing machine to 800-1200rpm / min, put HE61, nano black paste, fumed silica, BYK333, TEGO410, TEGO245 and DBE into the dispersing tank according to the amount and stir thoroughly to obtain the mixture;
[0026] Step 2: Based on the above step 1, continue to put in Z-6040, Bayer 3175, Cytec 303, cooling agent and 704 epoxy resin in sequence, and keep stirring;
[0027] Step 3: Adjust paint viscosity;
[0028] Step 4: Detect the viscosity of ethanol to ...
Embodiment 2
[0036] For the detection of the use effect of the net-odor special modified acrylic varnish paint prepared by the method of the present invention, the net-odor special modified acrylic varnish paint prepared by the method of the present invention is selected;
[0037] Construction process conditions: paint viscosity coating 2#14 / second Baking process: 180℃×30min
[0038] Substrate: tinplate
[0039]
[0040]
[0041] It can be seen from the above table that the odor-cleaning special modified acrylic varnish baking varnish prepared by the method of the present invention performs well in each detection index, and has a strong promotional value.
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Abstract
The invention discloses a special odorless modified acrylic acid stoving varnish coating, and relates to the technical field of coatings. The special odorless modified acrylic acid varnish stoving varnish coating comprises the following components in parts by weight: 60 parts of HE61, 11 parts of nano black paste, 0.5 part of fumed silica, 0.2 part of BYK333, 0.1 part of TEGO410, 0.2 part of TEGO245, 5.7 parts of DBE, 2 parts of Z-6040, 13 parts of Bayer 3175 curing agent, 3 parts of Cytec 303, 0.3 part of a cooling agent and 4 parts of 704 epoxy resin. According to the special odorless modified acrylic acid stoving varnish coating, the resin is selected from high-solid-content and low-viscosity resin, a high-boiling-point and low-odor type solvent is selected as a solvent of the matrix resin, during film forming at the high temperature of 160-180 DEG C, paint film forming reaction is fast, volatile gas is little, solvent volatilization is little, the odorless and environment-friendly effects are achieved during production and construction, The varnish coating can be applied to industrial stoving varnish, household appliance stoving varnish, electric cookers, electric frying pans and the like.
Description
technical field [0001] The invention relates to the technical field of coatings, in particular to a special modified acrylic varnish paint with clean odor. Background technique [0002] The baking varnish is to spray several layers of paint on the base that has been polished to a certain degree of roughness, and then baked at a high temperature to set the shape. Now the conventional baking varnish is used in the production process to produce toxic volatile gases due to the volatility of the solvent, and the flash point of the solvent in the work production It is easy to cause safety accidents, is flammable and explosive, affects the safety of production, and harms the health of workers. The high-temperature baking gas volatilizes and smells pungent, which has a great impact on the air environment; [0003] In the market, the main resins of conventional amino baking varnishes are low-solid content resins with large solvent volatilization and low solvent boiling point. Resin r...
Claims
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Application Information
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