CN114395235A - SMC material with high permeability resistance and preparation method thereof - Google Patents
SMC material with high permeability resistance and preparation method thereof Download PDFInfo
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- CN114395235A CN114395235A CN202210094153.1A CN202210094153A CN114395235A CN 114395235 A CN114395235 A CN 114395235A CN 202210094153 A CN202210094153 A CN 202210094153A CN 114395235 A CN114395235 A CN 114395235A
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- parts
- resin
- smc material
- smc
- paste
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/06—Unsaturated polyesters
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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
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
Abstract
The invention discloses a high permeability-preventing SMC material and a preparation method thereof, wherein the high permeability-preventing SMC material is mainly prepared from the following raw materials in parts by weight: 30-50 parts of high-activity unsaturated resin, 10-30 parts of vinyl resin, 25-45 parts of low-shrinkage resin, 10-20 parts of corrosion-resistant high-covering color paste, 1.0-1.2 parts of tert-butyl peroxyisopropyl carbonate, 0.2-0.5 part of butanone solution with the concentration of 10% of p-benzoquinone, 1-7 parts of mixed paste of magnesium oxide and calcium hydroxide, 4-6 parts of zinc stearate, 180 parts of 150-sodium hydroxide and 21-23 parts of 25mm glass fiber. Compared with the prior art, the high permeability-preventing SMC material has excellent permeability-preventing and corrosion-resisting properties.
Description
Technical Field
The invention discloses a high permeability-preventing SMC material and a preparation method thereof, and belongs to the technical field of SMC materials.
Background
The preparation and application of the traditional SMC composite material in high-quality bathroom are difficult all the time, and the traditional SMC composite material can only meet the requirements of low-end customers and cannot adapt to the rapid development of the current society. Thus, the bathroom product produced by no professional technology and process has certain disadvantages: if the strength is not enough, the composite material is easy to damage in the using process to cause safety accidents, the corrosion resistance can not reach the standard far, the service life of the product can be shortened, the gloss is low, the coloring performance is poor, the attractiveness is influenced, and the like, and the purchase price of foreign related high-performance SMC composite materials is higher, so that the development of a high anti-permeability SMC composite material in bathroom products is necessary.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems of the prior art, the invention provides an SMC material with high permeability resistance and a preparation method thereof, and the SMC material has excellent permeability resistance and corrosion resistance.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:
the high permeability-preventing SMC material is mainly prepared from the following raw materials in parts by weight:
preferably, the corrosion-resistant high-covering-performance color paste mainly comprises the following raw materials in parts by weight:
preferably, the magnesium oxide and calcium hydroxide mixed paste mainly comprises the following raw materials in parts by weight:
15-25 parts of active magnesium oxide powder
5-15 parts of calcium hydroxide
80-100 parts of saturated carrier resin.
Further preferably, the saturated carrier resin is selected from imperial K135.
Preferably, the highly reactive unsaturated resin is selected from the group consisting of Liquirssi P18 and Huari 520.
Preferably, the vinyl resin is selected from INEOS 782.
Preferably, the low shrinkage resin is selected from Huari PB-H9100.
The invention also provides a preparation method of the SMC material, which comprises the following steps:
mixing m-benzene unsaturated resin, vinyl resin, low-shrinkage resin and zinc stearate, dispersing for 2-4min, adding tert-butyl peroxyisopropyl carbonate and butanone solution with p-benzoquinone content of 10%, stirring for 4-6min, adding corrosion-resistant high-covering color paste and aluminum hydroxide, dispersing for 12-18min, adding mixed paste of magnesium oxide and calcium hydroxide, stirring for 2-4min, putting the stirred paste material into an SMC (sheet molding compound) unit for production, starting yarn cutting when a paste tank flows to a yarn cutting device, cutting glass fibers to 25mm, rubbing by an SMC unit crawler belt, rolling and packaging, heating and curing the packaged material to finish the preferred production, wherein the curing temperature is 35 +/-2 ℃, and the curing time is 22-26 h.
Has the advantages that: compared with the prior art, the invention has the following advantages:
1. the compounding principle of the high-activity unsaturated resin and the vinyl resin has price advantage compared with pure vinyl and better permeability resistance compared with the pure high-activity resin.
2. The color paste adopts vinyl resin and high-activity resin in an SMC formula system as carriers, the influence on the whole chemical performance is better improved compared with the influence on the whole chemical performance of common carrier resin, the compatibility is better compared with the common carrier, the color making performance is favorably improved, and the production cost of the color paste is reduced.
3. The filler uses aluminum hydroxide which has better chemical stability and lower specific gravity than common calcium carbonate.
Detailed Description
In order to further understand the features and technical means of the present invention, and to achieve the specific objects and functions, and analyze the advantages and spirit of the present invention, the following embodiments further illustrate the present invention.
The examples of the invention and the comparative examples used the following raw materials: the high activity unsaturated resin is selected from Liliansi P18 or Huari 520.
The vinyl resin is selected from INEOS 782.
The low shrinkage resin is selected from Huari PB-H9100.
The saturated carrier resin is selected from Difei K135.
Example 1
The corrosion-resistant high-covering-power color paste mainly comprises the following raw materials in parts by weight:
the magnesium oxide and calcium hydroxide mixed paste mainly comprises the following raw materials in parts by weight:
20 portions of active magnesium oxide powder
10 portions of calcium hydroxide
K135 90。
Mixing high-activity unsaturated resin, vinyl resin, low-shrinkage resin and zinc stearate, dispersing for 3min, adding tert-butyl peroxyisopropyl carbonate and butanone solution with the concentration of 10% of p-benzoquinone, stirring for 5min, adding corrosion-resistant high-covering color paste and aluminum hydroxide into the mixture, dispersing for 15min, adding mixed paste of magnesium oxide and calcium hydroxide, stirring for 3min, putting the stirred paste material into an SMC unit for production, starting yarn cutting (cutting into 25mm glass fibers) when the paste material flows to a yarn cutting device along with a paste groove, rolling and packaging after kneading by an SMC unit crawler belt, placing the packaged material in a drying room, adjusting the heating temperature to 35 ℃, curing for 24h, and completing production.
Comparative example 1
The formula is made of 10 parts of vinyl and conventional color paste, and the content of the vinyl resin is low, so that the corrosion-resistant anti-seepage test parameters are not ideal
The magnesium oxide and calcium hydroxide mixed paste mainly comprises the following raw materials in parts by weight:
20 portions of active magnesium oxide powder
10 portions of calcium hydroxide
K13590 parts.
Mixing high-activity unsaturated resin, vinyl resin, low-shrinkage resin and zinc stearate, dispersing for 3min, adding tert-butyl peroxyisopropyl carbonate and butanone solution with the concentration of 10% of p-benzoquinone, stirring for 5min, respectively adding common color paste and aluminum hydroxide, dispersing for 15min, adding mixed paste of magnesium oxide and calcium hydroxide, stirring for 3min, putting the stirred paste material into an SMC (sheet molding compound) unit for production, starting yarn cutting (cutting into 25mm glass fibers) when the paste flows to a yarn cutting device along with a paste groove, rolling and packaging after kneading by an SMC unit crawler belt, and putting the packaged material in a drying room, adjusting the heating temperature to 35 ℃, curing for 24h, and finishing the production.
Comparative example 2
The formula optimizes a color paste system and increases the using amount of vinyl resin, the appearance influence is large due to more vinyl amount, the thickening of the material is too fast in the early stage, and the appearance has fog spots after the sheet material is pressed due to poor hardness in the later stage.
The corrosion-resistant high-covering-power color paste mainly comprises the following raw materials in parts by weight:
the magnesium oxide and calcium hydroxide mixed paste mainly comprises the following raw materials in parts by weight:
20 portions of active magnesium oxide powder
10 portions of calcium hydroxide
K13590 parts.
Mixing high-activity unsaturated resin, vinyl resin, low-shrinkage resin and zinc stearate, dispersing for 3min, adding tert-butyl peroxyisopropyl carbonate and butanone solution with the concentration of 10% of p-benzoquinone, stirring for 5min, respectively adding common color paste and aluminum hydroxide, dispersing for 15min, adding mixed paste of magnesium oxide and calcium hydroxide, stirring for 3min, putting the stirred paste material into an SMC (sheet molding compound) unit for production, starting yarn cutting (cutting into 25mm glass fibers) when the paste flows to a yarn cutting device along with a paste groove, rolling and packaging after kneading by an SMC unit crawler belt, and putting the packaged material in a drying room, adjusting the heating temperature to 35 ℃, curing for 24h, and finishing the production.
And (3) corrosion resistance test:
the stain resistance test requires that vaseline and carbon black materials are mixed and coated on the surface of a product, the product is wiped on the surface of the product for 1 minute by using a cloth, then the product is placed for 30 minutes, and then the surface is cleaned to see whether black particles exist on the surface.
The acid and alkali resistance test adopts one pH value of 10 detergents on the market between pH values of 1-13 to test, and adopts a smearing mode to observe whether corrosion exists after smearing for 5 minutes. The acid-base test on the surface of the generated bubbles is unqualified, and the acid-base test without bubbles is qualified, and the result is as follows.
| Test sample | Comparative example 1 | Comparative example 2 | Example 1 |
| Stain resistance test | OK | OK | OK |
| Acid and alkali resistance test | NG | NG | OK |
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims. .
Claims (9)
1. The SMC material is characterized by being mainly prepared from the following raw materials in parts by weight:
2. an SMC material according to claim 1, wherein the corrosion-resistant high-covering color paste mainly comprises the following raw materials in parts by weight:
3. an SMC material according to claim 1, characterized in that the magnesium oxide and calcium hydroxide mixed paste mainly comprises the following raw materials in parts by weight:
15-25 parts of active magnesium oxide powder
5-15 parts of calcium hydroxide
80-100 parts of saturated carrier resin.
4. An SMC material according to claim 3, wherein the saturated carrier resin is selected from the group consisting of dell K135.
5. An SMC material as in claim 1, wherein said highly reactive unsaturated resin is selected from the group consisting of melissin P18 or warfarin 520.
6. An SMC material as in claim 1 wherein the vinyl resin is selected from INEOS 782.
7. An SMC material as in claim 1, wherein said low shrinkage resin is selected from warfarin PB-H9100.
8. A method of making a SMC material as claimed in any of claims 1-7, comprising the steps of:
mixing high-activity unsaturated resin, vinyl resin, low-shrinkage resin and zinc stearate, dispersing for 2-4min, adding tert-butyl peroxyisopropyl carbonate and butanone solution with the concentration of 10% of p-benzoquinone, stirring for 4-6min, adding corrosion-resistant high-covering color paste and aluminum hydroxide into the mixture, dispersing for 12-18min, adding mixed paste of magnesium oxide and calcium hydroxide, stirring for 2-4min, putting the stirred paste material into an SMC (sheet molding compound) unit for production, starting yarn cutting when a paste tank flows to a yarn cutting device, cutting glass fiber to 25mm, rubbing by an SMC unit crawler belt, rolling and packaging, and heating and curing the packaged material to finish production.
9. A method for preparing an SMC material according to claim 8, wherein the curing temperature is 35 +/-2 ℃ and the curing time is 22-26 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094153.1A CN114395235A (en) | 2022-01-26 | 2022-01-26 | SMC material with high permeability resistance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094153.1A CN114395235A (en) | 2022-01-26 | 2022-01-26 | SMC material with high permeability resistance and preparation method thereof |
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| CN114395235A true CN114395235A (en) | 2022-04-26 |
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| CN202210094153.1A Pending CN114395235A (en) | 2022-01-26 | 2022-01-26 | SMC material with high permeability resistance and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005154458A (en) * | 2003-11-20 | 2005-06-16 | Hitachi Housetec Co Ltd | Sheet molding compound |
| CN1903563A (en) * | 2006-08-08 | 2007-01-31 | 北京玻钢院复合材料有限公司 | SMC sheets and its prepn. method |
| CN101804712A (en) * | 2010-03-18 | 2010-08-18 | 上海新天和树脂有限公司 | Flaky moulding material for moulded bath tub and preparation method thereof |
| CN102358798A (en) * | 2011-09-13 | 2012-02-22 | 青岛润兴高分子材料有限公司 | High strength sheet molding plastics and production method |
| CN106280349A (en) * | 2016-08-05 | 2017-01-04 | 陈小华 | A kind of high fire-retardance height flowing sheet molding compound and preparation method thereof |
| CN108299813A (en) * | 2017-12-20 | 2018-07-20 | 安徽鑫普瑞复合材料有限公司 | A kind of high-strength, high-anti-friction SMC moulding compounds and its manufacturing method |
| CN108559230A (en) * | 2018-05-28 | 2018-09-21 | 江苏兆鋆新材料股份有限公司 | Applied to easy coloring lower shrinkage, the high fire-retardance SMC material and preparation method thereof in new energy car battery box |
| CN109971132A (en) * | 2019-03-18 | 2019-07-05 | 江苏蓝泰复合材料有限公司 | Improved SMC sheet and preparation method thereof |
-
2022
- 2022-01-26 CN CN202210094153.1A patent/CN114395235A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005154458A (en) * | 2003-11-20 | 2005-06-16 | Hitachi Housetec Co Ltd | Sheet molding compound |
| CN1903563A (en) * | 2006-08-08 | 2007-01-31 | 北京玻钢院复合材料有限公司 | SMC sheets and its prepn. method |
| CN101804712A (en) * | 2010-03-18 | 2010-08-18 | 上海新天和树脂有限公司 | Flaky moulding material for moulded bath tub and preparation method thereof |
| CN102358798A (en) * | 2011-09-13 | 2012-02-22 | 青岛润兴高分子材料有限公司 | High strength sheet molding plastics and production method |
| CN106280349A (en) * | 2016-08-05 | 2017-01-04 | 陈小华 | A kind of high fire-retardance height flowing sheet molding compound and preparation method thereof |
| CN108299813A (en) * | 2017-12-20 | 2018-07-20 | 安徽鑫普瑞复合材料有限公司 | A kind of high-strength, high-anti-friction SMC moulding compounds and its manufacturing method |
| CN108559230A (en) * | 2018-05-28 | 2018-09-21 | 江苏兆鋆新材料股份有限公司 | Applied to easy coloring lower shrinkage, the high fire-retardance SMC material and preparation method thereof in new energy car battery box |
| CN109971132A (en) * | 2019-03-18 | 2019-07-05 | 江苏蓝泰复合材料有限公司 | Improved SMC sheet and preparation method thereof |
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