Coating additive and preparation method thereof
A technology of additives and active additives, applied in antifouling/underwater coatings, chemical instruments and methods, coatings, etc., can solve unacceptable problems and achieve the effect of improving odor and enhancing stability
Inactive Publication Date: 2017-03-15
FOSHAN GAOMING DISTRICT MINGCHENG TOWN NEW ENERGYNEW MATERIAL IND TECH INNOVATION CENT
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Problems solved by technology
[0003] In the field of home improvement market, because the coatings in the prior art often have its characteristic smell, that is, the "taste of chemicals" identified by consumers, although many coatings are environmentally friendly products, the inherent smell of the coating still makes the These products are not accepted, so coatings with special smell are more and more favored by market segments, and many manufacturers have made corresponding research and development on this, and launched many distinctive products
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[0042] The content of the present invention is further described below by way of examples.
[0043] 1. Preparation of organically modified bentonite
[0044] The preparation method of organically modified bentonite is as follows: immerse bentonite in vinyl silicone oil-n-hexane solution with a mass percentage of 18%, continuously stir at 40°C for 2h, then transfer to a drying box, and dry at 92°C 2.5h, and finally roasted at 560°C for 2h, and then cooled in the furnace after the roasting.
[0045] The mass ratio of bentonite to vinyl silicone oil-n-hexane solution is 1:4.5.
[0046] Considering that it is added as an additive in the paint, the smaller the particle size of the solid component in the additive is, the more delicate the film-forming effect of the paint will be. Therefore, in this embodiment, when the particle size of bentonite is controlled to be less than 10 μm, it can be obtained in actual use. Good film-forming effect.
[0047] 2. Prepare coating additives a...
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Abstract
The invention discloses a coating additive. The coating additive comprises components: 25-40 parts of PMA (polymethyl acrylate) solvent, 5-7 parts of organically modified bentonite, 3-5 parts of nano calcium carbonate, 0.2-0.6 part of thickener, 0.2-0.4 part of barium metaborate, 0.5-1 part of anti-sedimentation agent, 0.2-0.6 part of infiltrating dispersant, 0.1-0.3 part of dryer, 0.3-0.6 part of sensitizer, 0.1-0.3 part of activity additive and 0.8-2 parts of essence. The coating additive facilitates enhancement of stability of an organic coating, enhances stability of the organic coating during the storage and use process, has no influence to the coating process of the coating, and simultaneously can further inhibit generation of mildew on the surface of a coating layer during the use process.
Description
technical field [0001] The invention belongs to the field of paint additives, and in particular relates to an environment-friendly and non-toxic paint additive and a preparation method of the additive. Background technique [0002] In modern life, coatings have been widely used in all aspects of national life, especially coatings with high performance and safety and environmental protection performance for inspection tools, which are especially favored by consumers. While coatings bring excellent anti-corrosion protection and decorative properties to coated products, as consumer demand becomes more and more refined, various coatings with special properties emerge as the times require. [0003] In the field of home improvement market, because the coatings in the prior art often have its characteristic smell, that is, the "taste of chemicals" identified by consumers, although many coatings are environmentally friendly products, the inherent smell of the coating still makes the...
Claims
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IPC IPC(8): C09D7/12C09D7/00C09D5/14C09F9/00
CPCC09D7/63C09D5/14C09D7/20C09D7/61C09D7/62C09D7/65C09F9/00
Inventor 麦浩
Owner FOSHAN GAOMING DISTRICT MINGCHENG TOWN NEW ENERGYNEW MATERIAL IND TECH INNOVATION CENT