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An inorganic silicon-aluminum dry powder coating for exterior walls

A dry powder coating and inorganic silicon technology, applied in the field of coatings, can solve the problems of poor acid and alkali resistance, aging resistance, difficult construction, etc., and achieve the effects of solving compatibility and processing problems, improving mechanical strength, and excellent weather resistance.

Active Publication Date: 2017-10-10
楚雄佑琳生科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the existing exterior wall coatings still have the problems of fire prevention, water resistance, acid and alkali resistance, and aging resistance, and the construction is difficult.

Method used

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  • An inorganic silicon-aluminum dry powder coating for exterior walls
  • An inorganic silicon-aluminum dry powder coating for exterior walls
  • An inorganic silicon-aluminum dry powder coating for exterior walls

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0045] F1: Sulfonated hyperbranched polypyrrone modified graphene oxide, prepared by the following method:

[0046] (1) Preparation of naphthalene anhydride-capped hyperbranched polypyrrole solution

[0047] Add 1 mole of 1,3,5-tris(4-naphthyloxy-1,8-dioic acid) trimellitic anhydride and 2000ml m-cresol in a completely dry three-necked flask, stir under nitrogen protection, when the trianhydride After completely dissolving, add 0.5 mole of 3,3'-diaminobenzidine, stir at room temperature for 30 minutes, heat to 85°C, react for 3.5h, then react at 185°C for 4.5h; after the reaction, drop to At room temperature, naphthalene anhydride-capped hyperbranched polypyrrole solution is obtained;

[0048] (2) prepare the hyperbranched polypyrrole modified by diaminopolyethylene glycol

[0049] To the naphthalene anhydride-capped hyperbranched polypyrrole solution obtained in step (1), add 2 moles of diaminopolyethylene glycol with an average degree of polymerization of 226, stir at room...

Embodiment 1

[0091] In parts by weight, add 10 parts of A1, 15 parts of B1, 6 parts of C1, 8 parts of F1, 8 parts of G1, 5 parts of H1 and 0.2 parts of I1 into the mixer and mix thoroughly for 10 minutes, add 15 parts of D1 and 15 parts of E1 continued to mix for 5 minutes and discharged. Stir evenly according to the ratio of powder to water of 1:0.4, and it can be used according to the weight ratio.

Embodiment 2

[0093]In parts by weight, add 10 parts of A1, 15 parts of B1, 6 parts of C1, 8 parts of F2, 8 parts of G2, 5 parts of H1 and 0.2 parts of I1 into the mixer and mix them thoroughly for 10 minutes. Add 15 parts of D1 and 15 parts of E1 continued to mix for 5 minutes and discharged. Stir evenly according to the ratio of powder to water of 1:0.4, and it can be used according to the weight ratio.

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Abstract

The invention discloses an inorganic silicon-aluminum dry-powder paint for an exterior wall. The paint is composed of powder and water and is characterized in that a weight ratio of the powder to water is 1: 0.2 to 1: 0.6; and the powder comprises, by weight, natural resin, a sal material, a fibrous material, quartz powder, sand, sulfonated hyperbranched polypyrrolone-modified graphene oxide, polybenzimidazole-modified meso-porous silicon, KH-560 and inorganic pigment. The inorganic silicon-aluminum dry-powder paint is eco-environment friendly, does not contain volatile harmful substances like VOCs, formaldehyde and ammonia, has ultra-long service life which is identical to the service life of the wall, and has excellent weatherability, acid and alkali resistance, anti-powdering performance, color retention performance, temperature and humidity adjustment performance and ecological functionality, and good construction operability.

Description

technical field [0001] The invention belongs to the technical field of coatings, and more specifically, the invention relates to an inorganic silicon-aluminum dry powder coating for exterior walls. Background technique [0002] Modern exterior wall coatings, including exterior wall latex paints and exterior wall water-based paints based on chemical emulsions, chemical additives, chemical colorants, etc., real stone paints, elastic brushed paints, textured paints, oil-in-water, water-in-water colorful paints , imitation marble paint, etc., and also include the matching sealing primer, base coat, finish paint, and finish agent. The above substances all contain a large amount of volatile harmful substances such as formaldehyde, VOC, ammonia, etc. These harmful substances are in the process of volatilization. It will be absorbed by some suspended matter in the air (including PM2.5), producing toxic smog, seriously affecting the air quality of the atmospheric environment, water s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/22C04B14/02C04B14/06C04B20/02C08G73/20C08G81/00C08G73/18
CPCC04B20/023C04B26/22C04B2111/00482C08G73/18C08G73/20C08G81/00C04B18/08C04B16/0633C04B14/06C04B14/024C04B24/42C04B14/305
Inventor 容七英
Owner 楚雄佑琳生科技有限公司
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