CN111073477A - Flame-retardant low-smoke-density gel coat and preparation method thereof - Google Patents
Flame-retardant low-smoke-density gel coat and preparation method thereof Download PDFInfo
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- CN111073477A CN111073477A CN201911407300.0A CN201911407300A CN111073477A CN 111073477 A CN111073477 A CN 111073477A CN 201911407300 A CN201911407300 A CN 201911407300A CN 111073477 A CN111073477 A CN 111073477A
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- gel coat
- polyester resin
- unsaturated polyester
- density gel
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention discloses a flame-retardant low-smoke density gel coat and a preparation method thereof, wherein the flame-retardant low-smoke density gel coat comprises the following raw material components: 35-40% of unsaturated polyester resin, 1-3% of silicon dioxide, 8-12% of titanium dioxide, 0.3-0.7% of defoaming agent, 0.3-0.7% of flatting agent, 0.3-0.7% of antioxidant, 0.3-0.7% of ultraviolet absorbent, 3-5% of composite viscosity reducer and 42-46% of aluminum hydroxide powder, wherein the mass percentages are mass percentages, the sum of the mass percentages of the components is 100%, and the composite viscosity reducer is gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and 1-propyl-1- (triethoxysilyl) methyl urea, and the mass ratio of the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane to the 1-propyl-1- (triethoxysilyl: (0.8-1.2). The flame-retardant low-smoke-density gel coat greatly improves the content of aluminum hydroxide powder by using the composite viscosity reducer, so that the strength of resin is kept well, basically no smoke exists after combustion, the flame retardance and mechanical property of the gel coat are considered, and the gel coat has the characteristics of flame retardance, low smoke and high strength; simple preparation and low cost.
Description
Technical Field
The invention relates to a flame-retardant low-smoke-density gel coat and a preparation method thereof, belonging to the field of gel coats.
Background
The gel coat resin is a special resin, is a special resin for manufacturing a gel coat layer of a glass fiber reinforced plastic product, mainly plays a role in protecting the glass fiber reinforced plastic product, prolonging the service life of the glass fiber reinforced plastic product and decorating the surface of the glass fiber reinforced plastic product, and has a vital influence on the quality of the glass fiber reinforced plastic product.
With the progress of scientific and technological technology, the performance of the gel coat is continuously improved, however, the fire resistance and the mechanical property of the gel coat cannot be balanced because the mechanical property is reduced due to the addition of the fire-resistant additive.
Disclosure of Invention
The invention provides a flame-retardant low-smoke-density gel coat and a preparation method thereof, which give consideration to the fire resistance and the mechanical property of the gel coat and have the characteristics of flame retardance, low smoke and high strength.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a flame-retardant low-smoke density gel coat comprises the following raw material components: 35-40% of unsaturated polyester resin, 1-3% of silicon dioxide, 8-12% of titanium dioxide, 0.3-0.7% of defoaming agent, 0.3-0.7% of flatting agent, 0.3-0.7% of antioxidant, 0.3-0.7% of ultraviolet absorbent, 3-5% of composite viscosity reducer and 42-46% of aluminum hydroxide powder, wherein the mass percentages are mass percentages, the sum of the mass percentages of the components is 100%, and the composite viscosity reducer is gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and 1-propyl-1- (triethoxysilyl) methyl urea, and the mass ratio of the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane to the 1-propyl-1- (triethoxysilyl: (0.8-1.2).
In the prior art, the smoke of gel coat is basically more than 500, and the composite viscosity reducer is used, so that the content of aluminum hydroxide powder is greatly improved, the strength of resin is kept well, and no smoke exists basically after combustion. In many cases, the casualties of people in the fire scene are basically in a smoke coma, so the social significance of the low smoke density gel coat is very important.
The gel coat has excellent use performance, gives consideration to the flame retardance and the mechanical property of the gel coat, and has the characteristics of flame retardance, low smoke and high strength.
In order to enhance the flame retardant effect and improve the uniformity of the materials, the mesh number of the aluminum hydroxide powder is 1400-1600 meshes.
In order to improve the service performance of the gel coat, improve the construction quality, ensure the smoothness, strengthen, resist aging, improve the thixotropy and stability and the like, preferably, the silicon dioxide is fumed silica M5.
In order to improve the weather resistance of the gel coat, the ultraviolet absorber is at least one of 2- (2' -hydroxy-3 ',5' -bis (a, a-dimethylbenzyl) phenyl) benzotriazole, 2' - (2' -hydroxy-3 ' -tert-butyl-5 ' -methylphenyl) -5-chlorobenzotriazole or 2- (2' -hydroxy-5 ' -tert-octylphenyl) benzotriazole.
In order to ensure the weather resistance of the gel coat and promote the interaction between materials, the ultraviolet absorber is 2- (2' -hydroxy-3 ',5' bis (a, a-dimethylbenzyl) phenyl) benzotriazole.
In order to further ensure the weather resistance of the gel coat and promote the interaction between materials, the antioxidant is β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid n-octadecyl ester.
In order to ensure the use performance and strength requirements of the product, the unsaturated polyester resin is at least one of unsaturated polyester resin 191, unsaturated polyester resin 192, unsaturated polyester resin 189 and unsaturated polyester resin 196. More preferably, the unsaturated polyester resin is unsaturated polyester resin 191, unsaturated polyester resin 189 and unsaturated polyester resin 196, and the mass ratio of the unsaturated polyester resin is 1: (0.5-0.7): (0.5-0.7).
In order to further improve the service performance of the gel coat, the titanium dioxide is titanium dioxide 895; the defoaming agent is a defoaming agent 555, and the leveling agent is a polyether siloxane copolymer. More preferably, the leveling agent is the leveling agent 110.
The preparation method of the flame-retardant low-smoke-density gel coat comprises the following steps:
1) stirring unsaturated polyester resin, a flatting agent and a defoaming agent at the rotating speed of 1500-1800 r/min for 10-20 min;
2) uniformly mixing silicon dioxide, titanium dioxide, an antioxidant, an ultraviolet absorbent, a composite viscosity reducer and aluminum hydroxide powder;
3) adding the material obtained in the step 2) into the material obtained in the step 1), and stirring at 2000-2200 r/min for 20-30 min to obtain the flame-retardant low-smoke-density gel coat. The preparation method can be operated at room temperature.
The prior art is referred to in the art for techniques not mentioned in the present invention.
The flame-retardant low-smoke-density gel coat greatly improves the content of aluminum hydroxide powder by using the composite viscosity reducer, so that the strength of resin is kept well, basically no smoke exists after combustion, the flame retardance and mechanical property of the gel coat are considered, and the gel coat has the characteristics of flame retardance, low smoke and high strength; simple preparation and low cost.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Auxiliaries used in examples 1-3: the unsaturated polyester resin is prepared from unsaturated polyester resin 191, unsaturated polyester resin 189 and unsaturated polyester resin 196 in a mass ratio of 1: 0.6: 0.6 of a mixture, unsaturated polyester resin 189 from jacobian, Jiangsu, unsaturated polyester resin 191, unsaturated polyester resin 196 from Huaron, unsaturated polyester resin, Changzhou; the silica is fumed silica M5, brand: cabot, mesh number, nano mesh, model number M-5; titanium dioxide is titanium dioxide 895, purchased from Jinan Baoli chemical Co., Ltd; defoamer BYK-555 defoamer, brand, Germany bike; the leveling agent is 110, the brand is Yingchuangdi Gao, and the leveling agent is purchased from Guangzhou Si scribble source chemical company Limited; the antioxidant is antioxidant 1076; the ultraviolet absorbent is ultraviolet absorbent 234 from Beijing Tiangang auxiliary agent; the composite viscosity reducer is prepared by mixing gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and 1-propyl-1- (triethoxysilyl) methyl urea (XH-712, Germany Byk company) in a mass ratio of 1: 1.
Example 1
The flame-retardant low-smoke-density gel coat comprises the following raw material components: 38 percent of unsaturated polyester resin, 2 percent of silicon dioxide, 10 percent of titanium dioxide, 0.5 percent of defoaming agent, 0.5 percent of flatting agent, 0.5 percent of antioxidant, 0.5 percent of ultraviolet absorbent, 4 percent of composite viscosity reducer and 1500 meshes of aluminum hydroxide powder and 44 percent of aluminum hydroxide powder, wherein the percentages are mass percentage.
Example 2
The flame-retardant low-smoke-density gel coat comprises the following raw material components: 35% of unsaturated polyester resin, 2% of silicon dioxide, 10% of titanium dioxide, 0.5% of defoaming agent, 0.5% of flatting agent, 0.5% of antioxidant, 0.5% of ultraviolet absorbent, 5% of composite viscosity reducer and 1500-mesh 46% of aluminum hydroxide powder, wherein the percentages are mass percentages.
Example 3
The flame-retardant low-smoke-density gel coat comprises the following raw material components: 40% of unsaturated polyester resin, 2% of silicon dioxide, 10% of titanium dioxide, 0.5% of defoaming agent, 0.5% of flatting agent, 0.5% of antioxidant, 0.5% of ultraviolet absorbent, 4% of composite viscosity reducer and 1500-mesh 42% of aluminum hydroxide powder, wherein the percentages are mass percentages.
Comparative example 1
The difference from example 1 is: the viscosity reducer is gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane.
Comparative example 2
The difference from example 1 is: the viscosity reducer is 1-propyl-1- (triethoxysilyl) methylurea.
The preparation method of the flame-retardant low-smoke-density gel coat comprises the following steps:
1) stirring unsaturated polyester resin, a flatting agent and a defoaming agent for 15min at the rotating speed of 1600 r/min;
2) uniformly mixing fumed silica M5, titanium dioxide, an antioxidant, an ultraviolet absorbent, a composite viscosity reducer and aluminum hydroxide powder;
3) adding the material obtained in the step 2) into the material obtained in the step 1), and stirring at 2000r/min for 25min to obtain the flame-retardant low-smoke density gel coat.
The laboratory temperature 23+/-2 ℃ and the relative humidity 50 +/-6% were used to prepare the gel coats obtained in each example as gel coat panels: the thickness of the gel coat coating film is 0.3mm, the gel coat coating film is baked for 1 hour at 60 ℃, and 3 layers of 300 g chopped strand mats of Taishan glass fiber company are 583 resin-reinforced (2% of Aksu M50 curing agent), the resin content is 55%, and the gel coat coating film is baked for 2 hours at 60 ℃. All the gel coats are flat, have no wrinkles, no pinholes, no micropores, uniform and fine surfaces, and basically have no smoke when being combusted. The properties of the gel coats obtained in the examples are shown in Table 1.
TABLE 1 tables of properties of the gel coats obtained in the examples
Claims (10)
1. A flame-retardant low-smoke density gel coat is characterized in that: the raw material components comprise: 35-40% of unsaturated polyester resin, 1-3% of silicon dioxide, 8-12% of titanium dioxide, 0.3-0.7% of defoaming agent, 0.3-0.7% of flatting agent, 0.3-0.7% of antioxidant, 0.3-0.7% of ultraviolet absorbent, 3-5% of composite viscosity reducer and 42-46% of aluminum hydroxide powder, wherein the mass percentages are mass percentages, the sum of the mass percentages of the components is 100%, and the composite viscosity reducer is gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane and 1-propyl-1- (triethoxysilyl) methyl urea, and the mass ratio of the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane to the 1-propyl-1- (triethoxysilyl: (0.8-1.2).
2. The flame retardant, low smoke density gel coat of claim 1, wherein: the mesh number of the aluminum hydroxide powder is 1400-1600 meshes.
3. A flame retardant low smoke density gel coat as defined in claim 1 or 2 wherein: the unsaturated polyester resin is at least one of unsaturated polyester resin 191, unsaturated polyester resin 192, unsaturated polyester resin 189 and unsaturated polyester resin 196.
4. A flame retardant, low smoke density gel coat as defined in claim 3, wherein: the unsaturated polyester resin is prepared from unsaturated polyester resin 191, unsaturated polyester resin 189 and unsaturated polyester resin 196 in a mass ratio of 1: (0.5-0.7): (0.5-0.7).
5. A flame retardant low smoke density gel coat as defined in claim 1 or 2 wherein: the silicon dioxide is fumed silica M5; the titanium dioxide is titanium dioxide 895; the defoaming agent is a defoaming agent 555; the leveling agent is polyether siloxane copolymer.
6. The flame retardant, low smoke density gel coat of claim 5, wherein: the leveling agent is a leveling agent 110.
7. A flame retardant low smoke density gel coat as defined in claim 1 or 2 wherein: the ultraviolet absorber is at least one of 2- (2' -hydroxy-3 ',5' -bis (a, a-dimethylbenzyl) phenyl) benzotriazole, 2' - (2' -hydroxy-3 ' -tert-butyl-5 ' -methylphenyl) -5-chlorobenzotriazole or 2- (2' -hydroxy-5 ' -tert-octylphenyl) benzotriazole.
8. The flame retardant, low smoke density gel coat of claim 7, wherein: the ultraviolet absorbent is 2- (2' -hydroxy-3 ',5' -bis (a, a-dimethylbenzyl) phenyl) benzotriazole.
9. The fire-retardant low-smoke density gel coat as claimed in claim 1 or 2, wherein the antioxidant is β - (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate.
10. A method of making a flame retardant low smoke density gel coat according to any of claims 1 to 9, characterized in that: the method comprises the following steps:
1) stirring unsaturated polyester resin, a flatting agent and a defoaming agent at the rotating speed of 1500-1800 r/min for 10-20 min;
2) uniformly mixing silicon dioxide, titanium dioxide, an antioxidant, an ultraviolet absorbent, a composite viscosity reducer and aluminum hydroxide powder;
3) adding the material obtained in the step 2) into the material obtained in the step 1), and stirring at 2000-2200 r/min for 20-30 min to obtain the flame-retardant low-smoke-density gel coat.
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| CN201911407300.0A CN111073477A (en) | 2019-12-31 | 2019-12-31 | Flame-retardant low-smoke-density gel coat and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122173A (en) * | 2021-03-22 | 2021-07-16 | 北京科英精益技术股份公司 | Expansion type unsaturated flame-retardant gel coat and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235221A (en) * | 2008-02-20 | 2008-08-06 | 北京理工大学 | Method for preparing aminosilane coupling agent modifying ammonium polyphosphate |
| CN103254601A (en) * | 2013-05-30 | 2013-08-21 | 华东理工大学 | Inorganic flame-retardant unsaturated resin and viscosity reducing dispersing auxiliary for same |
| CN104357004A (en) * | 2014-12-04 | 2015-02-18 | 广州汇纳新材料科技有限公司 | Pouring sealant suitable for use in high and cold environment as well as preparation method and application of pouring sealant |
| CN106381717A (en) * | 2016-08-30 | 2017-02-08 | 浙江飞虎新材料有限公司 | Multifunctional outdoor foaming coating material and preparation method |
| CN106881881A (en) * | 2017-03-29 | 2017-06-23 | 重庆海庆新材料有限公司 | Weather resistant glass fiber reinforced plastics product vacuum imports processing method |
| EP3363869A1 (en) * | 2017-02-20 | 2018-08-22 | TIGER Coatings GmbH & Co. KG | Powder coating composition |
-
2019
- 2019-12-31 CN CN201911407300.0A patent/CN111073477A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235221A (en) * | 2008-02-20 | 2008-08-06 | 北京理工大学 | Method for preparing aminosilane coupling agent modifying ammonium polyphosphate |
| CN103254601A (en) * | 2013-05-30 | 2013-08-21 | 华东理工大学 | Inorganic flame-retardant unsaturated resin and viscosity reducing dispersing auxiliary for same |
| CN104357004A (en) * | 2014-12-04 | 2015-02-18 | 广州汇纳新材料科技有限公司 | Pouring sealant suitable for use in high and cold environment as well as preparation method and application of pouring sealant |
| CN106381717A (en) * | 2016-08-30 | 2017-02-08 | 浙江飞虎新材料有限公司 | Multifunctional outdoor foaming coating material and preparation method |
| EP3363869A1 (en) * | 2017-02-20 | 2018-08-22 | TIGER Coatings GmbH & Co. KG | Powder coating composition |
| CN106881881A (en) * | 2017-03-29 | 2017-06-23 | 重庆海庆新材料有限公司 | Weather resistant glass fiber reinforced plastics product vacuum imports processing method |
Non-Patent Citations (1)
| Title |
|---|
| 王彩丽: "《粉体表面改性 第3版》", 30 September 2011, 中国建材工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122173A (en) * | 2021-03-22 | 2021-07-16 | 北京科英精益技术股份公司 | Expansion type unsaturated flame-retardant gel coat and preparation method and application thereof |
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Application publication date: 20200428 |