CN104845511B - A kind of mould gel coating resin and preparation method thereof - Google Patents
A kind of mould gel coating resin and preparation method thereof Download PDFInfo
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- CN104845511B CN104845511B CN201510253771.6A CN201510253771A CN104845511B CN 104845511 B CN104845511 B CN 104845511B CN 201510253771 A CN201510253771 A CN 201510253771A CN 104845511 B CN104845511 B CN 104845511B
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- gel coating
- coating resin
- dispersant
- mould gel
- unsaturated polyester
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Abstract
The present invention provides a kind of mould gel coating resin, its component for including following weight portion:80~93 parts of unsaturated polyester resin, 0.2~2 part of aerosil, 0.1~0.5 part of dispersant, 0.1~0.5 part of defoamer, 0.1~0.3 part of polymerization inhibitor, 0.1~0.3 part of initiator, 5~15 parts of nanometer silicon carbide, 0.5~2 part of coupling agent.The invention also discloses the preparation method of the mould gel coating resin.The mould gel coating resin that the present invention is provided has preferable mechanical performance and pliability.
Description
Technical field：
The present invention relates to a kind of gel coating resin, more particularly to a kind of mould gel coating resin and preparation method thereof.
Background technology：
Gel coating resin is a kind of special resin in unsaturated polyester resin, for being coated in substrate material surface to it
Protective layer is provided, the properties of product are improved, to product with beautiful outward appearance, is increased the service life.Gel coating resin it is main with
Unsaturated polyester resin is matrix, is formed by the blended dispersion of thixotropic agent of aerosil.Gel coating resin application field ratio
It is relatively wide, including mould gel coating resin, gel coating resin for ship, food-grade gel coating resin etc..Wherein, mould is main with gel coating resin
For making mould, therefore must there are good mechanical performance, pliability, common gel coating resin can not fully meet above-mentioned wanting
Ask.
The content of the invention：
The technical problem to be solved in the present invention is to provide a kind of mould gel coating resin, with preferable mechanical performance and
Pliability.
In order to solve the above technical problems, the technical scheme is that：
A kind of mould gel coating resin, its component for including following weight portion:80~93 parts of unsaturated polyester resin, gas phase
0.2~2 part of silica, 0.1~0.5 part of dispersant, 0.1~0.5 part of defoamer, 0.1~0.3 part of polymerization inhibitor, initiator 0.1
~0.3 part, 5~15 parts of nanometer silicon carbide, 0.5~2 part of coupling agent.
Preferably, unsaturated polyester resin of the present invention is 196 type unsaturated polyester resins.
Preferably, dispersant of the present invention is BYK-110 or BYK-104S.
Preferably, defoamer of the present invention is methyl-silicone oil.
Preferably, polymerization inhibitor of the present invention is quinhydrones, methylnaphthohydroquinone or copper naphthenate.
Preferably, initiator of the present invention is methyl ethyl ketone peroxide.
Preferably, coupling agent of the present invention is silane coupler.
Another technical problem to be solved by the present invention is that providing the preparation method of above-mentioned mould gel coating resin.
In order to solve the above technical problems, technical scheme is：
A kind of preparation method of mould gel coating resin, comprises the following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection,
Stirring removes material after 4 hours, and stratification washs lower sediment thing with acetone, is vacuum dried 12 hours at 80 DEG C, obtains
To modified Nano carborundum；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, froth breaking
Agent, polymerization inhibitor, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
Compared with prior art, the invention has the advantages that：
Nanometer silicon carbide is modified by the surface of coupling agent, can be homogeneously dispersed in resin matrix, silicon-carbide particle
Interface cohesion between resin matrix compares tight, region of the intensity higher than resin matrix is formd, by external force load
When, these regions can transfer load to rigid silicon-carbide particle, and adding silicon-carbide particle can hinder Crack Extension, therefore
Obvious humidification can be played, the mechanical performance and flexibility of material is significantly improved.
Specific embodiment：
Describe the present invention in detail below in conjunction with specific embodiment, herein illustrative examples of the invention and explanation
It is for explaining the present invention but not as a limitation of the invention.
Embodiment 1
A kind of mould gel coating resin, its component for including following weight portion:Unsaturated polyester resin 80g, gas phase dioxy
SiClx 2g, dispersant 0.5g, defoamer 0.5g, polymerization inhibitor 0.3g, initiator 0.3g, nanometer silicon carbide 14.4g, coupling agent 2g.
Its preparation method is comprised the following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection,
Stirring removes material after 4 hours, and stratification washs lower sediment thing with acetone, is vacuum dried 12 hours at 80 DEG C, obtains
To modified Nano carborundum；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, froth breaking
Agent, polymerization inhibitor, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
Embodiment 2
A kind of mould gel coating resin, its component for including following weight portion:Unsaturated polyester resin 93g, gas phase dioxy
SiClx 0.1g, dispersant 0.1g, defoamer 0.1g, polymerization inhibitor 0.1g, initiator 0.1g, nanometer silicon carbide 5.9g, coupling agent
0.5g。
Its preparation method is comprised the following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection,
Stirring removes material after 4 hours, and stratification washs lower sediment thing with acetone, is vacuum dried 12 hours at 80 DEG C, obtains
To modified Nano carborundum；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, froth breaking
Agent, polymerization inhibitor, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
Embodiment 3
A kind of mould gel coating resin, its component for including following weight portion:Unsaturated polyester resin 92.2g, gas phase two
Silica 1g, dispersant 0.2g, defoamer 0.2g, polymerization inhibitor 0.2g, initiator 0.2g, nanometer silicon carbide 5g, coupling agent 1g.
Its preparation method is comprised the following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection,
Stirring removes material after 4 hours, and stratification washs lower sediment thing with acetone, is vacuum dried 12 hours at 80 DEG C, obtains
To modified Nano carborundum；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, froth breaking
Agent, polymerization inhibitor, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
Embodiment 4
A kind of mould gel coating resin, its component for including following weight portion:Unsaturated polyester resin 82.2g, gas phase two
Silica 0.5g, dispersant 0.3g, defoamer 0.3g, polymerization inhibitor 0.1g, initiator 0.1g, nanometer silicon carbide 15g, coupling agent
1.5g。
Its preparation method is comprised the following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection,
Stirring removes material after 4 hours, and stratification washs lower sediment thing with acetone, is vacuum dried 12 hours at 80 DEG C, obtains
To modified Nano carborundum；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, froth breaking
Agent, polymerization inhibitor, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
Embodiment 5
A kind of mould gel coating resin, its component for including following weight portion:Unsaturated polyester resin 86g, gas phase dioxy
SiClx 1.5g, dispersant 0.4g, defoamer 0.4g, polymerization inhibitor 0.3g, initiator 0.3g, nanometer silicon carbide 10g, coupling agent
1.1g。
Its preparation method is comprised the following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection,
Stirring removes material after 4 hours, and stratification washs lower sediment thing with acetone, is vacuum dried 12 hours at 80 DEG C, obtains
To modified Nano carborundum；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, froth breaking
Agent, polymerization inhibitor, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
Embodiment 6
A kind of mould gel coating resin, its component for including following weight portion:Unsaturated polyester resin 90g, gas phase dioxy
SiClx 1.8g, dispersant 0.1g, defoamer 0.5g, polymerization inhibitor 0.2g, initiator 0.2g, nanometer silicon carbide 6g, coupling agent 1.2g.
Its preparation method is comprised the following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection,
Stirring removes material after 4 hours, and stratification washs lower sediment thing with acetone, is vacuum dried 12 hours at 80 DEG C, obtains
To modified Nano carborundum；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, froth breaking
Agent, polymerization inhibitor, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (6)
1. a kind of mould gel coating resin, it is characterised in that：Its component for including following weight portion:Unsaturated polyester resin 80~
93 parts, 0.2~2 part of aerosil, 0.1~0.5 part of dispersant, 0.1~0.5 part of defoamer, 0.1~0.3 part of polymerization inhibitor,
0.1~0.3 part of initiator, 5~15 parts of nanometer silicon carbide, 0.5~2 part of coupling agent；
The unsaturated polyester resin is 196 type unsaturated polyester resins；
The defoamer is methyl-silicone oil.
2. a kind of mould gel coating resin according to claim 1, it is characterised in that：The dispersant be BYK-110 or
BYK-104S。
3. a kind of mould gel coating resin according to claim 1, it is characterised in that：The polymerization inhibitor is quinhydrones, methyl
Quinhydrones or copper naphthenate.
4. a kind of mould gel coating resin according to claim 1, it is characterised in that：The initiator is peroxidating first and second
Ketone.
5. a kind of mould gel coating resin according to claim 1, it is characterised in that：The coupling agent is silane coupled
Agent.
6. a kind of preparation method of the mould gel coating resin according to Claims 1 to 5 any one, it is characterised in that bag
Include following steps：
(1) nanometer silicon carbide, coupling agent are dissolved in toluene, with the fully dispersed rear oil bath heating of dispersant, lead to nitrogen protection, stirring
Material is removed after 4 hours, stratification washs lower sediment thing with acetone, be vacuum dried 12 hours at 80 DEG C, changed
Property nanometer silicon carbide；
(2) modified Nano carborundum is mixed with unsaturated polyester resin, adds aerosil, dispersant, defoamer, resistance
Poly- agent, initiator, stirring obtain well mixed compound as mould gel coating resin to without bulk particle.
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| CN201510253771.6A CN104845511B (en) | 2015-05-18 | 2015-05-18 | A kind of mould gel coating resin and preparation method thereof |
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| CN201510253771.6A CN104845511B (en) | 2015-05-18 | 2015-05-18 | A kind of mould gel coating resin and preparation method thereof |
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| CN104845511B true CN104845511B (en) | 2017-06-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106752782A (en) * | 2016-12-12 | 2017-05-31 | 衡阳山泰化工有限公司 | A kind of reinforced polyester resin and preparation method thereof |
| CN110669458B (en) * | 2017-09-27 | 2021-06-29 | 苏州星烁纳米科技有限公司 | Resin composition |
| CN111019494B (en) * | 2019-12-31 | 2021-10-01 | 南京德嘉玻璃钢材料有限公司 | High-weather-resistance gel coat and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221013A (en) * | 1997-12-22 | 1999-06-30 | 黎燕 | Gel coating resin for ship |
| CN1712476A (en) * | 2005-08-08 | 2005-12-28 | 常州天马集团有限公司 | Gel coating resin and production thereof |
| CN102627740A (en) * | 2012-03-21 | 2012-08-08 | 常州华科树脂有限公司 | Low styrene volatilization unsaturated polyester gel coat resin and preparation method thereof |
| CN103525262A (en) * | 2013-09-30 | 2014-01-22 | 安徽蓝柯复合材料有限公司 | UV (ultraviolet) curing coating with functions of light energy absorption and heat conduction and preparation method of coating |
-
2015
- 2015-05-18 CN CN201510253771.6A patent/CN104845511B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221013A (en) * | 1997-12-22 | 1999-06-30 | 黎燕 | Gel coating resin for ship |
| CN1712476A (en) * | 2005-08-08 | 2005-12-28 | 常州天马集团有限公司 | Gel coating resin and production thereof |
| CN102627740A (en) * | 2012-03-21 | 2012-08-08 | 常州华科树脂有限公司 | Low styrene volatilization unsaturated polyester gel coat resin and preparation method thereof |
| CN103525262A (en) * | 2013-09-30 | 2014-01-22 | 安徽蓝柯复合材料有限公司 | UV (ultraviolet) curing coating with functions of light energy absorption and heat conduction and preparation method of coating |
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Effective date of registration: 20221010 Address after: 215200 supply and Marketing Cooperative warehouse, Wanping Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: WUJIANG ZHENYU SEWING EQUIPMENT Co.,Ltd. Address before: Group 24, Anhu Village, Wanping Street, Hengfan Town, Wujiang District, Suzhou City, Jiangsu Province, 215200 Patentee before: WUJIANG HONGYU MACHINERY Co.,Ltd. |