CN113292907A - Vinyl resin gel coat firmly combined with phenolic resin and preparation method thereof - Google Patents
Vinyl resin gel coat firmly combined with phenolic resin and preparation method thereof Download PDFInfo
- Publication number
- CN113292907A CN113292907A CN202110708589.0A CN202110708589A CN113292907A CN 113292907 A CN113292907 A CN 113292907A CN 202110708589 A CN202110708589 A CN 202110708589A CN 113292907 A CN113292907 A CN 113292907A
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- China
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- parts
- weight
- gel coat
- vinyl resin
- resin
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Classifications
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
Abstract
The invention discloses a vinyl resin gel coat firmly combined with phenolic resin and a preparation method thereof, wherein the vinyl resin gel coat comprises the following components in parts by weight: 1000 parts of epoxy modified vinyl resin, 10 parts of accelerator, 15 parts of thixotropic agent, 10 parts of defoaming agent, 3 parts of wetting dispersant, 3 parts of flatting agent, 10 parts of adhesion promoter and 12 parts of fumed silica. The invention has scientific and reasonable formula, and can well solve the phenomenon that the surface layer is easy to delaminate, bubble or separate when the resin gel coat is coated on the existing common resin gel coat.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a vinyl resin gel coat firmly combined with phenolic resin and a preparation method thereof.
Background
The gel coat resin is a special resin for manufacturing a gel coat layer of a glass fiber reinforced plastic product, is a special variety of unsaturated polyester, is mainly used for the surface of a resin product, is a continuous covering thin layer and has the thickness of about 0.6 mm generally. The gel coat resin on the surface of the product is used for providing a protective layer for the matrix resin or the laminated material, so as to improve the properties of weather resistance, corrosion resistance, wear resistance and the like of the product and give the product a bright and beautiful appearance. The gel coat resins can be roughly classified into phthalic acid type gel coat resins, isophthalic acid type gel coat resins, bisphenol A type gel coat resins, and vinyl resin gel coats according to their components. However, the existing vinyl resin gel coat has the defect that the existing vinyl resin gel coat cannot be firmly combined with phenolic resin in the using process, so that the application range and the using effect are limited, and therefore, a novel vinyl resin gel coat is needed to be provided.
Disclosure of Invention
In view of the above problems, the present invention provides a vinyl gel coat that is firmly bonded to a phenolic resin.
According to the purpose of the invention, the invention provides the following technical scheme:
a vinyl resin gel coat firmly combined with phenolic resin comprises the following components in parts by weight:
1000 parts by weight of epoxy-modified vinyl resin
10 parts by weight of a curing accelerator
Thixotropic agent 15 parts by weight
10 parts by weight of defoaming agent
Wetting dispersant 3 parts by weight
Leveling agent 3 parts by weight
Fumed silica 12 parts by weight
10 parts of adhesion promoter.
The preparation method of the vinyl resin gel coat firmly combined with the phenolic resin comprises the following steps:
s1, adding 1000 parts by weight of epoxy modified vinyl resin into a reaction kettle, then adding 10 parts by weight of accelerator and 15 parts by weight of thixotropic agent to fully mix the epoxy modified vinyl resin with the accelerator and the thixotropic agent, and stirring the epoxy modified vinyl resin uniformly by the reaction kettle;
s2, simultaneously adding 10 parts by weight of defoaming agent into the reaction kettle to eliminate foaming generated in the stirring process;
s3, adding 3 parts by weight of wetting dispersant to keep the dispersibility of the fumed silica and avoid the agglomeration of the fumed silica;
s4, adding 3 parts by weight of a leveling agent to prevent the gel coat from shrinking and keep the leveling property of the gel coat;
s5, adding 12 parts by weight of fumed silica to increase thixotropic strength and hardness, and uniformly stirring in the reaction kettle after adding the components into the reaction kettle, wherein the stirring process is vacuum stirring for 45-50 minutes.
Further, the temperature was controlled at 35 ℃ during the stirring.
Compared with the prior art, the invention has the beneficial effects that:
the vinyl resin gel coat firmly combined with the phenolic resin has a scientific and reasonable formula, and can well solve the phenomenon that the surface layer is easy to delaminate, bubble or separate when the existing common resin gel coat is coated with the resin gel coat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A vinyl resin gel coat firmly combined with phenolic resin comprises the following components in parts by weight:
1000 parts by weight of epoxy-modified vinyl resin
Accelerator 10 parts by weight
Thixotropic agent 15 parts by weight
10 parts by weight of defoaming agent
Wetting dispersant 3 parts by weight
Leveling agent 3 parts by weight
Fumed silica 12 parts by weight
10 parts of adhesion promoter. (mainly for increasing adhesion)
The accelerator is LCC-10, which acts to promote rapid curing.
The thixotropic agent is AFCONA-7532, which has the function of preventing flowing.
The defoaming agent is AFCONA7206-40 or AFCONA2790, is an additive for composite materials, has the function of eliminating foaming in the stirring process, and is a product purchased from Haimen Aikona chemical company and produced and sold.
The wetting dispersant is AFCONA-7476 which is an additive for composite materials, and the AFCONA-7476 is a product purchased from Haimen Aikona chemical Co.
The leveling agent is AFCONA-7370, is an additive for composite materials, and has the function of controlling shrinkage cavity. Is purchased from the products manufactured and sold by the Himmerman Kovar chemical company Limited.
Adhesion promoter Bettersol 7442, an epoxy silane compound, primarily to increase adhesion. Purchased from Shanghai cang flood industry Co., Ltd. The product is used as an adhesion promoter for improving the adhesion and water resistance of the resin coating to the inorganic base material; the adhesive is also commonly used in various caulking adhesives and sealant industries, such as epoxy resin, PU adhesive and the like, and is used for improving the bonding property of the adhesive and a base material; the epoxy resin is used in the industries of inorganic substance filling and glass reinforced thermoplastic resin, the electrical property of electronic sealing agents and packaging materials based on epoxy resin and printed circuit boards is enhanced, and the adhesive force between the resin and a matrix or a filling agent is improved.
A preparation method of vinyl resin gel coat firmly combined with phenolic resin comprises the following steps:
s1, adding 1000 parts by weight of epoxy modified vinyl resin into a reaction kettle, then adding 10 parts by weight of accelerator and 15 parts by weight of thixotropic agent to fully mix the epoxy modified vinyl resin with the accelerator and the thixotropic agent, and stirring the epoxy modified vinyl resin uniformly by the reaction kettle;
s2, simultaneously adding 10 parts by weight of defoaming agent into the reaction kettle to eliminate foaming generated in the stirring process;
s3, adding 3 parts by weight of wetting dispersant to keep the dispersibility of the fumed silica and avoid the agglomeration of the fumed silica;
s4, adding 3 parts by weight of a leveling agent to prevent the gel coat from shrinking and keep the leveling property of the gel coat;
s5, 12 parts by weight fumed silica was added to increase thixotropic strength and hardness.
The components are added into a reaction kettle and then uniformly stirred in the reaction kettle, and the stirring process is vacuum stirring for 45-50 minutes. The temperature was controlled at 35 ℃ during the stirring.
The invention has scientific and reasonable formula, and can well solve the phenomenon that the surface layer is easy to delaminate, bubble or separate when the resin gel coat is coated on the existing common resin gel coat.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The vinyl resin gel coat firmly combined with the phenolic resin is characterized by comprising the following components in parts by weight:
1000 parts by weight of epoxy-modified vinyl resin
10 parts by weight of a curing accelerator
Thixotropic agent 15 parts by weight
10 parts by weight of defoaming agent
Wetting dispersant 3 parts by weight
Leveling agent 3 parts by weight
Fumed silica 12 parts by weight
10 parts of adhesion promoter.
2. A preparation method of vinyl resin gel coat firmly combined with phenolic resin is characterized by comprising the following steps:
s1, adding 1000 parts by weight of epoxy modified vinyl resin into a reaction kettle, then adding 10 parts by weight of accelerator and 15 parts by weight of thixotropic agent to fully mix the epoxy modified vinyl resin with the accelerator and the thixotropic agent, and stirring the epoxy modified vinyl resin uniformly by the reaction kettle;
s2, simultaneously adding 10 parts by weight of defoaming agent into the reaction kettle to eliminate foaming generated in the stirring process;
s3, adding 3 parts by weight of wetting dispersant to keep the dispersibility of the fumed silica and avoid the agglomeration of the fumed silica;
s4, adding 3 parts by weight of a leveling agent to prevent the gel coat from shrinking and keep the leveling property of the gel coat;
s5, 12 parts by weight fumed silica was added to increase thixotropic strength and hardness.
3. The method for preparing the vinyl resin gel coat firmly combined with the phenolic resin as claimed in claim 2, wherein the components are added into a reaction kettle and then uniformly stirred in the reaction kettle, and the stirring process is vacuum stirring for 45-50 minutes.
4. The method of claim 3, wherein the temperature of the stirring process is controlled at 35 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708589.0A CN113292907A (en) | 2021-06-25 | 2021-06-25 | Vinyl resin gel coat firmly combined with phenolic resin and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708589.0A CN113292907A (en) | 2021-06-25 | 2021-06-25 | Vinyl resin gel coat firmly combined with phenolic resin and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113292907A true CN113292907A (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110708589.0A Withdrawn CN113292907A (en) | 2021-06-25 | 2021-06-25 | Vinyl resin gel coat firmly combined with phenolic resin and preparation method thereof |
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| Country | Link |
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| CN (1) | CN113292907A (en) |
Citations (10)
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|---|---|---|---|---|
| CN1712476A (en) * | 2005-08-08 | 2005-12-28 | 常州天马集团有限公司 | Gel coating resin and production thereof |
| US20060196404A1 (en) * | 2005-03-03 | 2006-09-07 | Gulden George G | Laminated boat hull and method of manufacturing same |
| FR2944026A1 (en) * | 2009-04-03 | 2010-10-08 | Atmosphere Piscines | Pigmented coating useful as a liner in a composite shell of a swimming pool, comprises a resin matrix, phosphorescent pigments, a gel coat composition applied on a composite material, and a thermoplastic coating such as a liner |
| CN103045057A (en) * | 2013-01-21 | 2013-04-17 | 常州众杰复合材料有限公司 | Antistatic color gel coat and preparation method thereof |
| CN103725184A (en) * | 2014-01-06 | 2014-04-16 | 南通天和树脂有限公司 | High-activity vinyl ester resin gel coat and preparation method thereof |
| US20140199551A1 (en) * | 2013-01-16 | 2014-07-17 | Scott Lewit | Co-cured gel coats, elastomeric coatings, structural layers, and in-mold processes for their use |
| CN105440622A (en) * | 2015-12-20 | 2016-03-30 | 福建梭罗复合材料研究有限公司 | Gel coat with high thixotropic property and low viscosity and preparation method thereof |
| CN110077731A (en) * | 2019-04-28 | 2019-08-02 | 沃德林科环保设备（北京）有限公司 | Spray coating method glass reinforced plastic floating plate and construction method |
| CN111138958A (en) * | 2020-01-10 | 2020-05-12 | 中国科学院海洋研究所 | Gel coat coating material with antifouling property and preparation method thereof |
| CN113388236A (en) * | 2021-06-28 | 2021-09-14 | 常州天马集团有限公司（原建材二五三厂） | Corrosion-resistant gel coat and preparation method thereof |
-
2021
- 2021-06-25 CN CN202110708589.0A patent/CN113292907A/en not_active Withdrawn
Patent Citations (10)
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|---|---|---|---|---|
| US20060196404A1 (en) * | 2005-03-03 | 2006-09-07 | Gulden George G | Laminated boat hull and method of manufacturing same |
| CN1712476A (en) * | 2005-08-08 | 2005-12-28 | 常州天马集团有限公司 | Gel coating resin and production thereof |
| FR2944026A1 (en) * | 2009-04-03 | 2010-10-08 | Atmosphere Piscines | Pigmented coating useful as a liner in a composite shell of a swimming pool, comprises a resin matrix, phosphorescent pigments, a gel coat composition applied on a composite material, and a thermoplastic coating such as a liner |
| US20140199551A1 (en) * | 2013-01-16 | 2014-07-17 | Scott Lewit | Co-cured gel coats, elastomeric coatings, structural layers, and in-mold processes for their use |
| CN103045057A (en) * | 2013-01-21 | 2013-04-17 | 常州众杰复合材料有限公司 | Antistatic color gel coat and preparation method thereof |
| CN103725184A (en) * | 2014-01-06 | 2014-04-16 | 南通天和树脂有限公司 | High-activity vinyl ester resin gel coat and preparation method thereof |
| CN105440622A (en) * | 2015-12-20 | 2016-03-30 | 福建梭罗复合材料研究有限公司 | Gel coat with high thixotropic property and low viscosity and preparation method thereof |
| CN110077731A (en) * | 2019-04-28 | 2019-08-02 | 沃德林科环保设备（北京）有限公司 | Spray coating method glass reinforced plastic floating plate and construction method |
| CN111138958A (en) * | 2020-01-10 | 2020-05-12 | 中国科学院海洋研究所 | Gel coat coating material with antifouling property and preparation method thereof |
| CN113388236A (en) * | 2021-06-28 | 2021-09-14 | 常州天马集团有限公司（原建材二五三厂） | Corrosion-resistant gel coat and preparation method thereof |
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| 李宏等: "《材质构成》", 30 October 2016, 辽宁美术出版社 * |
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Application publication date: 20210824 |