CN105273619B - Organic silicon high-temperature coating and preparation method thereof - Google Patents
Organic silicon high-temperature coating and preparation method thereof Download PDFInfo
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- CN105273619B CN105273619B CN201510674306.XA CN201510674306A CN105273619B CN 105273619 B CN105273619 B CN 105273619B CN 201510674306 A CN201510674306 A CN 201510674306A CN 105273619 B CN105273619 B CN 105273619B
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Abstract
The invention discloses a kind of organic silicon high-temperature coating, including component A and component B, its spy is：The component A is made up of the following components of parts by weight：44 66 parts of WT800 organic siliconresins, 0.4 0.6 parts of dispersant, 0.4 0.6 parts of white carbon, 0.9 1.5 parts of organobentonite, 7.2 10.8 parts of kaolin, 7.2 10.8 parts of talcum powder, 12 18 parts of high-temperature resisting pigment, 3.2 4.8 parts of butyl ester, 4.6 7.0 parts of dimethylbenzene；Component B is tetraethyl orthosilicate, and component A and component B ratio of weight and number is 100:2.4‑3.6.Preparation technology of the present invention is simple, with good heat resistance, using having good adhesive force and mechanical performance on metal within 800 DEG C.
Description
Technical field
The present invention relates to a kind of high temperature organosilicon paint, the invention further relates to the preparation method of the coating, belong to coating
Technical field.
Background technology
Steel is at high temperature and oxidizable, the steel component under needing to hot environment in some special industrial environments
Protected.Common organosilicon heat-resistant lacquer can only bear less than 500 DEG C of temperature, more than this temperature, and paint film can be held automatically
Split and come off.Finding the high-temperature coatings of ability higher temperature becomes current problem in urgent need to solve.
The content of the invention
For it is existing the problem of, it is an object of the invention to provide a kind of organic silicon high-temperature coating, present invention also offers
The preparation method of this kind of coating.
To achieve these goals, the technical scheme is that such：A kind of organic silicon high-temperature coating, including A groups
Divide and component B, its spy is：The component A is made up of the following components of parts by weight：
44-66 parts of WT800 organic siliconresins, 0.4-0.6 parts of dispersant, 0.4-0.6 parts of white carbon, organobentonite 0.9-
1.5 parts, 7.2-10.8 parts of kaolin, 7.2-10.8 parts of talcum powder, 12-18 parts of high-temperature resisting pigment, 3.2-4.8 parts of butyl ester, diformazan
4.6-7.0 parts of benzene；
Component B is tetraethyl orthosilicate, and component A and component B ratio of weight and number is 100:2.4-3.6.
In such scheme：The dispersant is the model that Guangdong company of generation Bang Jiaming Chemical Co., Ltd.s produces
82800 dispersant.Dispersion effect is best.
The coating that the present invention is made of WT800 organic siliconresins and other materials has good heat resistance, WT800
Organic siliconresin coordinates as film forming matter with tetraethyl orthosilicate, while tetraethyl orthosilicate also serves as crosslinking and curing agent.Both associations
The hardness of paint film of same-action formation is greatly improved, and adhesive ability is good, high temperature impact resistance.For high-temperature machinery shell, high-temperature exhaust air
The high-temperature services such as pipeline, boiler, chimney, using having good adhesive force and mechanical performance, its property on metal within 800 DEG C
Can test result such as table one:
| Project | Technical indicator | The method of inspection |
| 1st, paint film appearance | Paint film is normal, tone is indefinite | Range estimation |
| 2nd, drying time：150℃h | ≤2 | GB/T1728-1989 |
| 3rd, pliability, mm | ≤3 | GB/T1731-1993 |
| 4th, adhesive force, level | ≤2 | GB/T1720-1989 |
| 5th, kg.cm is impacted | ≥35 | GB/T1732-1993 |
| 6th, heat resistance (800 DEG C, 3h) is impacted, cm | ≥15 | GB/T1735-1989 |
We can be drawn from table one, and the present invention is coated in behind metal surface, and 3h is toasted in the environment of being placed in 800 DEG C,
After taking-up, it be will not fall off with 1kg block stamp from the Height Impact lacquer painting high more than 15cm.And what existing organic siliconresin was made
Coating, after being toasted at more than 500 DEG C, lacquer painting just directly with regard to coming off naturally, it is impossible to works at high temperature.The production of the present invention
Product drying time is short, and adhesive force is good, and impact resistance is good.
In such scheme：The high-temperature resisting pigment is any one in black chromium-copper, titan yellow, cobalt blue.It is black using chromium-copper
Ascend the throne blacking, titan yellow is yellow paint, and cobalt blue is blue paste.Other high-temperature resistant coatings can also be used.
It is another object of the present invention to what is be achieved in that：A kind of any one of claim 1-3 organic silicon high-temperature coating
Preparation method, it is characterised in that：Complete in accordance with the following steps：
(1), WT800 organic siliconresins are added in reaction vessel, then stir it is lower add dispersant, it is white carbon, organic
Bentonite, kaolin, talcum powder, high-temperature resisting pigment, disperse；
(2), disperse after finishing, be ground to fineness≤50 μm；
(3) butyl ester and dimethylbenzene, are added in material after grinding, is well mixed to regulation viscosity, is then filtrated to get
Component A, in use, component A is mixed in proportion with component B.
In such scheme：In step (3), the filter screen for filtering is 80 mesh.
In such scheme：In step (2), regulation viscosity is 60-80S (applying -4 glasss).
The beneficial effects of the invention are as follows：Compared with prior art, preparation technology of the present invention it is simple, with good heat-resisting
Property, using having good adhesive force and mechanical performance on metal within 800 DEG C.
Embodiment
With reference to specific embodiment, the present invention will be further described：
In the present invention：
82800 dispersants are：The dispersant of the model 82800 of Guangdong company of generation Bang Jiaming Chemical Co., Ltd.s production.
Embodiment 1
A kind of organic silicon high-temperature coating：It is made up of component A and B component：
Component A
It is made up of the following raw material of parts by weight：
44 parts of WT800 organic siliconresins, 0.4 part of dispersant, 0.4 part of white carbon, 0.9 part of organobentonite, kaolin 7.2
Part, 7.2 parts of talcum powder, 12 parts of high-temperature resisting pigment cobalt blue, 3.2 parts of butyl ester, 4.6 parts of dimethylbenzene.
B component is tetraethyl orthosilicate, and the ratio of weight and number of component A and B component is 100:2.4.
Preparation method is：
(1), WT800 organic siliconresins are added in reaction vessel, then stir it is lower add dispersant, it is white carbon, organic
Bentonite, kaolin, talcum powder, high-temperature resisting pigment, disperse at a high speed 20min.
(2), disperse after finishing, be ground to fineness≤50 μm.
(3) butyl ester and dimethylbenzene, are added in material after grinding, is well mixed to (60-80S (the paintings -4 of regulation viscosity
Cup)), component A then is obtained with 80 mesh filter screen filtrations, in use, component A is mixed in proportion with B component, is added appropriate dilute
Agent (NF) X-12 organosilicon coating diluents are released, sagging is not advisable consumption with application.
Embodiment 2
A kind of organic silicon high-temperature coating：It is made up of component A and B component：
Component A
It is made up of the following raw material of parts by weight：
66 parts of WT800 organic siliconresins, 0.6 part of dispersant, 799 0.6 part of white carbons, 1.5 parts of organobentonite, kaolin
10.8 parts, 325 10.8 parts of mesh talcum powder, 18 parts of high-temperature resisting pigment titan yellow, 4.8 parts of butyl ester, 7.0 parts of dimethylbenzene.
B component is tetraethyl orthosilicate, and the ratio of weight and number of component A and B component is 100:3.6.
Preparation method is：
(1), WT800 organic siliconresins are added in reaction vessel, then stir it is lower add dispersant, it is white carbon, organic
Bentonite, kaolin, talcum powder, high-temperature resisting pigment, disperse at a high speed 20min.
(2), disperse after finishing, be ground to fineness≤50 μm.
(3) butyl ester and dimethylbenzene, are added in material after grinding, is well mixed to (60-80S (the paintings -4 of regulation viscosity
Cup)), component A then is obtained with 80 mesh filter screen filtrations, in use, component A is mixed in proportion with B component, is added appropriate dilute
Agent (NF) X-12 organosilicon coating diluents are released, consumption is advisable with finish department sagging.
Embodiment 3
A kind of organic silicon high-temperature coating：It is made up of component A and B component：
Component A
It is made up of the following raw material of parts by weight：
56 parts of WT800 organic siliconresins, 0.5 part of dispersant, 0.55 part of white carbon, 1.2 parts of organobentonite, kaolin 10
Part, 325 9.2 parts of mesh talcum powder, black 16 parts of high-temperature resisting pigment chromium-copper, 3.5 parts of butyl ester, 6.0 parts of dimethylbenzene.
B component is tetraethyl orthosilicate, and the ratio of weight and number of component A and B component is 100:3.
Preparation method is：
(1), WT800 organic siliconresins are added in reaction vessel, then stir it is lower add dispersant, it is white carbon, organic
Bentonite, kaolin, talcum powder, high-temperature resisting pigment, disperse at a high speed 20min.
(2), disperse after finishing, be ground to fineness≤50 μm.
(3) butyl ester and dimethylbenzene, are added in material after grinding, is well mixed to (60-80S (the paintings -4 of regulation viscosity
Cup)), component A then is obtained with 80 mesh filter screen filtrations, in use, component A is mixed in proportion with B component, is added appropriate dilute
Agent (NF) X-12 organosilicon coating diluents are released, consumption is advisable with finish department sagging.
The present invention is not limited to above-mentioned specific embodiment, it will be appreciated that one of ordinary skill in the art is without creative
Work just can make many modifications and variations according to the design of the present invention.In a word, all technical staff in the art are according to this
The design of invention passes through the available technical side of logical analysis, reasoning, or a limited experiment on the basis of existing technology
Case, all should be in the protection domain being defined in the patent claims.
Claims (4)
1. a kind of organic silicon high-temperature coating, including component A and component B, its spy are：The component A is by the following of parts by weight
Component is made：
44-66 parts of WT800 organic siliconresins, 0.4-0.6 parts of dispersant, 0.4-0.6 parts of white carbon, organobentonite 0.9-1.5
Part, 7.2-10.8 parts of kaolin, 7.2-10.8 parts of talcum powder, 12-18 parts of high-temperature resisting pigment, 3.2-4.8 parts of butyl ester, dimethylbenzene
4.6-7.0 part；
Component B is tetraethyl orthosilicate, and component A and component B ratio of weight and number is 100:2.4-3.6.
2. organic silicon high-temperature coating according to claim 1, it is characterised in that：The high-temperature resisting pigment is that chromium-copper is black, titan yellow,
Any one in cobalt blue.
3. a kind of preparation method of any one of claim 1-2 organic silicon high-temperature coating, it is characterised in that：According to following step
It is rapid to complete：
(1), WT800 organic siliconresins are added in reaction vessel, lower addition dispersant, white carbon, organic swelling is then stirred
Soil, kaolin, talcum powder, high-temperature resisting pigment, disperse；
(2), disperse after finishing, be ground to fineness≤50 μm；
(3) butyl ester and dimethylbenzene, are added in material after grinding, is well mixed to regulation viscosity, is then filtrated to get component
A, in use, component A is mixed in proportion with component B.
4. the preparation method of organic silicon high-temperature coating according to claim 3, it is characterised in that：In step (3), for filtering
Filter screen be 80 mesh.
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| CN105273619B true CN105273619B (en) | 2017-08-29 |
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| CN107384192A (en) * | 2017-08-31 | 2017-11-24 | 常州道博化工有限公司 | A kind of preparation method of high temperature organosilicon paint |
| CN110256960B (en) * | 2019-07-10 | 2020-11-10 | 广东省科学院产业技术育成中心 | Organic silicon high-temperature-resistant coating and preparation method thereof |
| CN115974460A (en) * | 2022-11-04 | 2023-04-18 | 大石桥市美尔镁制品有限公司 | Solid waterproof additive based on magnesium oxide powder mixing ratio and mixing ratio method |
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| CN101033369A (en) * | 2007-04-19 | 2007-09-12 | 重庆三峡油漆股份有限公司 | Semi-interpenetrating network structure double-component fire resistant paint |
| CN101899253A (en) * | 2010-07-09 | 2010-12-01 | 孟鋆辉 | Wear-resistant and high temperature-resistant powder coating for preventing corrosion of inside and outside of steel pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN86104951A (en) * | 1986-07-26 | 1988-02-10 | 东北工学院 | Silicon resin, heat-resistant paint |
| CN100422278C (en) * | 2005-08-26 | 2008-10-01 | 中国科学院金属研究所 | Nano SiO2-organosilicon coating and preparation method thereof |
| CN103265885B (en) * | 2013-06-14 | 2015-07-15 | 江苏科技大学 | Welding paste with insulating temperature resistance and preparation method thereof |
| CN103468130A (en) * | 2013-09-03 | 2013-12-25 | 吴江市冰心文教用品有限公司 | High temperature resistant anticorrosive paint |
| CN104893569A (en) * | 2015-06-10 | 2015-09-09 | 上海大学 | Silica sol enhanced organic silicon antifouling paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033369A (en) * | 2007-04-19 | 2007-09-12 | 重庆三峡油漆股份有限公司 | Semi-interpenetrating network structure double-component fire resistant paint |
| CN101899253A (en) * | 2010-07-09 | 2010-12-01 | 孟鋆辉 | Wear-resistant and high temperature-resistant powder coating for preventing corrosion of inside and outside of steel pipeline |
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