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Novel colorful dry powder coating

A dry powder coating and color technology, applied in the field of new color dry powder coatings, can solve problems such as differences in coating film performance

Inactive Publication Date: 2017-07-21
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the dry powder coating of the pure rubber powder system, the performance of the coating depends largely on the rubber powder, but the difference in film formation between the redispersible rubber powder and the emulsion leads to the difference in the performance of the coating film, which is mainly manifested in the scrub resistance, aging resistance, etc., therefore, this type of coating has not been applied on a large scale

Method used

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  • Novel colorful dry powder coating

Examples

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Effect test

Embodiment 1

[0030] The novel color dry powder coating that present embodiment provides, comprises the component of following parts by weight:

[0031] (1) Ordinary Portland cement: 500 parts;

[0032] (2) heavy calcium carbonate: 300 parts;

[0033] (3) Talcum powder: 100 parts;

[0034] (4) titanium dioxide: 20 parts;

[0035] (5) Iron oxide pigment: 50 parts;

[0036] (6) Hydroxypropyl cellulose ether: 3 parts;

[0037] (7) Modified redispersible polymer resin latex powder: 30 parts;

[0038] (8) Sodium bentonite: 3 parts;

[0039] (9) Ferrous sulfate: 3 parts.

[0040] The preparation method of modified redispersible polymer resin latex powder is as follows:

[0041] Mix redispersible latex powder, polypropylene, and styrene-acrylonitrile copolymer in parts by weight of 10:5:3, put them into a reaction kettle, react at 150 degrees Celsius for 1 hour, dry and pulverize.

Embodiment 2

[0043] The novel color dry powder coating that present embodiment provides, comprises the component of following parts by weight:

[0044] (1) Ordinary Portland cement: 400 parts;

[0045] (2) heavy calcium carbonate: 200 parts;

[0046] (3) Talcum powder: 50 parts;

[0047] (4) titanium dioxide: 10 parts;

[0048] (5) Iron oxide pigment: 20 parts;

[0049] (6) Hydroxypropyl cellulose ether: 2 parts;

[0050] (7) Modified redispersible polymer resin latex powder: 20 parts;

[0051] (8) Sodium bentonite: 2 parts;

[0052] (9) Ferrous sulfate: 2 parts.

[0053] The preparation method of modified redispersible polymer resin latex powder is as follows:

[0054] Mix redispersible latex powder, polypropylene, and styrene-acrylonitrile copolymer in parts by weight of 10:2:1, put them into a reaction kettle, react at 130 degrees Celsius for 2 hours, dry and pulverize.

[0055] Add the colored dry powder paint prepared in the above examples into water, stir evenly, and then car...

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Abstract

The invention discloses a novel colorful dry powder coating. The novel colorful dry powder coating is prepared from, by weight, 400-500 parts of ordinary Portland cement, 200-300 parts of heavy calcium carbonate, 50-100 parts of talcum powder, 10-20 parts of titanium dioxide powder, 20-50 parts of iron oxide pigment, 2-3 parts of hydroxypropyl cellulose ether, 20-30 parts of modified redispersible polymer resin latex powder, 2-3 parts of sodium bentonite and 2-3 parts of ferrous sulfate. The colorful dry powder coating can be hardened under the condition of high humidity and rainfall, the adhesive power and washing resistant performance of a coating film are very excellent, the weatherability is good, and the novel colorful dry powder coating can be used for coating of internal and external wall veneers of new and old buildings.

Description

technical field [0001] The invention relates to a novel colored dry powder paint. Background technique [0002] Architectural coatings mainly refer to coatings used for building exterior walls, interior walls, ceilings, floors, etc., which have decorative, protective and residential performance improvement functions. At present, architectural coatings are mainly water-based coatings, and water-based coatings are coatings with water as the dispersion medium, including water emulsion and aqueous solution coatings. However, the composition of water-based paints includes up to 35% to 55% of water, which requires a lot of manpower, material and financial resources for the packaging and transportation of water-based paints; the shelf life and storage period of water-based paints are short. Resilience, that is, no stratification, thickening, etc. during storage, also requires high cost and specialized technology. [0003] Germany Wacker Chemical Company (WackerChemieAG) has devel...

Claims

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Application Information

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IPC IPC(8): C04B28/04
CPCC04B28/04C04B2111/00482C04B14/28C04B14/042C04B14/305C04B14/308C04B24/383C04B2103/0057C04B14/104C04B22/142
Inventor 迟培云迟衡
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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