One-component organosilicon heat-resistant and anti-corrosion coating and preparation method thereof

An anti-corrosion coating and silicone technology, applied in anti-corrosion coatings, fire-proof coatings, coatings, etc., can solve the problems of poor mechanical strength, adhesion and salt spray resistance, achieve excellent heat resistance, simple preparation process, The effect of good toughness

Active Publication Date: 2018-09-07
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a one-component organosilicon heat-resistant and anti-corrosion coating and its preparation method, which solves the technical problems of poor mechanical strength, adhesion and salt spray resistance of the organosilicon coating in the prior art at 700°C

Method used

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  • One-component organosilicon heat-resistant and anti-corrosion coating and preparation method thereof

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preparation example Construction

[0034] On the other hand, based on the same inventive concept, the embodiment of the present invention provides a preparation method of the above coating, see figure 1 ,include:

[0035] Step S101: mixing benzyl silicone resin with a solvent to obtain component A; wherein, the weight ratio of the benzyl silicone resin to the solvent is 1:0.2-0.5;

[0036] In the specific implementation process, after the benzyl silicone resin and the solvent are mixed in step S101, the high-speed disperser can be used to disperse for 10 minutes, so as to realize rapid and thorough mixing.

[0037] Step S102: Add high-temperature-resistant fillers and pigments to the component A, and mix, stir, and grind to prepare the heat-resistant and anti-corrosion coating; wherein, the benzyl silicone resin, high-temperature-resistant fillers and pigments The weight ratio is 1:0.65~1.7:0.2~0.4; the high temperature resistant filler is composed of sericite powder, quartz powder, alumina powder and phosphat...

Embodiment 1

[0044] In a stainless steel bucket, mix 1 part by weight of benzyl silicone resin and 0.35 parts by weight of xylene, disperse for 10 minutes in a high-speed disperser, add 0.45 parts by weight of sericite powder, 0.21 parts by weight of quartz powder, 0.35 parts by weight of Aluminum oxide powder, 0.07 parts by weight of zinc phosphate, and 0.36 parts by weight of iron oxide red were dispersed for 30 minutes by a high-speed disperser, then ground for 2 hours, stirred evenly before use. After testing, its coating adhesion is grade 1, flexibility is grade 1, salt spray resistance reaches 550 hours after heating, salt spray resistance reaches more than 1000 hours after self-drying at room temperature, and freeze-thaw cycles (700°C / -20°C) reach 17 times.

Embodiment 2

[0046] In a stainless steel bucket, 1 part by weight of benzyl silicone resin and 0.25 parts by weight of n-butanol were mixed, dispersed by a high-speed disperser for 10 minutes, and 0.35 parts by weight of sericite powder, 0.28 parts by weight of quartz powder, 0.45 parts by weight of Part of alumina powder, 0.25 part by weight of aluminum phosphate salt, and 0.28 part by weight of copper chromium black, disperse for 30 minutes with a high-speed disperser, grind for 2.5 hours, stir well before using. After testing, its coating adhesion is grade 1, flexibility is grade 1, salt spray resistance reaches 550 hours after heating, salt spray resistance reaches more than 1000 hours after self-drying at room temperature, and freeze-thaw cycles (700°C / -20°C) reach 15 times.

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Abstract

The invention relates to a single-component organic silicon heat-resistant corrosion-resistant paint and a preparation method thereof, belonging to the technical field of paints. The paint is composed of the following components in parts by weight: 1 part of benzyl organic silicon resin, 0.65-1.7 parts of high-temperature-resistant filler, 0.2-0.4 part of pigment and 0.2-0.5 part of solvent. The high-temperature-resistant filler is composed of sericite powder, quartz powder, aluminum oxide powder and phosphate powder. The preparation method comprises the following steps: mixing the benzyl organic silicon resin, adding the high-temperature-resistant filler and pigment, mixing, stirring, and grinding to obtain the heat-resistant corrosion-resistant paint. The paint can be uniformly stirred when in use. According to the technical scheme, the paint disclosed by the invention solves the technical problems of poor mechanical strength, poor adhesion and poor salt spray resistance at 700 DEG C in the organic silicon paint in the prior art, and can be used for corrosion resistance of boilers, smelters and other high-temperature components.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a one-component organosilicon heat-resistant and anti-corrosion coating and a preparation method thereof. Background technique [0002] Existing silicone high-temperature resistant coatings will crack and burst at 700°C, have problems such as poor mechanical strength, adhesion and salt spray resistance, and cannot effectively protect the substrate. According to the deficiencies of existing coatings, it is necessary to develop silicone coatings with high salt spray resistance, excellent adhesion and flexibility, and excellent adhesion that can be used for a long time at 700°C. Contents of the invention [0003] The invention provides a one-component organosilicon heat-resistant and anti-corrosion paint and a preparation method thereof, which solves the technical problems of poor mechanical strength, adhesion and salt spray resistance of the organosilicon paint at 700°C in the p...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): C09D183/04C09D5/08C09D7/61
CPCC08K3/00C08K3/22C08K3/32C08K3/34C08K3/36C08K2003/2227C08K2003/328C09D5/08C09D5/18C09D7/61C09D183/04
Inventor丁超段绍明郭晓军韩忠智刘浩亮崔灿灿王磊尹晓琳李石
OwnerBC P INC CHINA NAT PETROLEUM CORP