CN105542506A - SMC (sheet molding compound) material for automobile accessories and preparation method thereof - Google Patents
SMC (sheet molding compound) material for automobile accessories and preparation method thereof Download PDFInfo
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- CN105542506A CN105542506A CN201610064367.9A CN201610064367A CN105542506A CN 105542506 A CN105542506 A CN 105542506A CN 201610064367 A CN201610064367 A CN 201610064367A CN 105542506 A CN105542506 A CN 105542506A
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- parts
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- smc
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- 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
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention discloses an SMC (sheet molding compound) material for automobile accessories. The SMC material is prepared from the following ingredients in parts by weight: 190 to 210 parts of resin, 80 to 100 parts of shrinking agent, 2 to 4 parts of curing agent, 1 to 3 parts of blocking agent, 10 to 15 parts of zinc stearate, 400 to 450 parts of calcium carbonate, 1 to 3 parts of styrene, 8 to 10 parts of magnesium oxide paste, 250 to 300 parts of glass fiber and 20 to 25 parts of carrying films. The SMC material for the automobile accessories has better mechanical strength, electric performance, insulation voltage-withstanding performance, flame-retarding performance, impact intensity, bending strength and tensile intensity, and belongs to a high-performance thermosetting macromolecular composite material; the specific gravity is low; the surface treatment is not needed; the SMC material can replace steel materials to be used for manufacturing the automobile accessories.
Description
Technical field
The present invention relates to sheet molding compound material field, specifically a kind of automobile fitting SMC material and preparation method thereof.
Background technology
SMC matrix material, belongs to the one of glass reinforced plastic.Main raw material is made up of special yarn, filler and various auxiliary agent.SMC material has the good characteristics such as lightweight, design freedom is high, component integration, cost are low, temperature-resistance thermal-insulation good, have good adhesiveproperties, stable performance, corrosion-resistant, easy-formation, easily spraying, and these are all that SMC material creates favourable condition for auto parts machinery.In recent years, along with increasingly sharpening of Global Auto market homogeneity competition, automobile manufacturers is one of important considerations SMC material auto parts machinery being developed new model as it.Along with improving constantly of people's environmental consciousness, automobile loss of weight has become the inexorable trend of future automobile development, and SMC can prepare low-specific gravity composite material, adopts SMC matrix material as automobile fitting material, effectively can alleviate vehicle weight.Along with the more and more higher requirement that modern manufacturing industry proposes the performance of material, the performance need of SMC sheet material further improves and improves, and needs better shock strength, flexural strength and tensile strength.
Summary of the invention
Therefore, for solving the problem, the invention provides a kind of physical strength, electric property, insulation resistance, flame retardant type, shock strength, flexural strength and tensile strength better automobile fitting SMC material and preparation method thereof.
The technical solution used in the present invention is: automobile fitting SMC material, comprises the raw material of following weight part:
Unsaturated polyester 190-210 part,
Shrinking agent 80-100 part,
Solidifying agent 2-4 part,
Block agent 1-3 part,
Zinic stearas 10-15 part,
Calcium carbonate 400-450 part,
Vinylbenzene 1-3 part,
Magnesium oxide sticks with paste 8-10 part,
Glass fibre 250-300 part,
Carrier film 20-25 part,
Described shrinking agent is polystyrene; It is described that to block agent be para benzoquinone.
Preferably, described automobile fitting SMC material, comprises the raw material of following weight part: 200 parts of unsaturated polyesters, 90 parts of shrinking agents, 2.9 parts of solidifying agent, block agent for 1.3 parts, 13 parts of Zinic stearass, 425 parts of calcium carbonate, 2 parts of vinylbenzene, 9.2 parts of magnesium oxide are stuck with paste, 280 parts of glass fibre, 23 parts of carrier films.
The preparation method of above-mentioned automobile fitting SMC material, comprises the following steps:
(1) raw material is taken in proportion;
(2) mixing raw material resin paste is prepared: the resin taken and shrinking agent are mixed, add solidifying agent again, block agent mixing, then add stearic acid release agent zinc to stir, finally add mineral filler calcium carbonate, obtain resin paste, resin paste is dispersed into uniform mixing raw material resin paste with vinylbenzene, magnesium oxide paste high speed dispersor again;
(3) sheet material is suppressed: mixing raw material resin paste scattered in step (2) is passed through the uniform blade coating of sheet material machine on upper and lower two panels carrier film, glass fibre is cut into staple fiber by cutting machine simultaneously, evenly be laid in the mixing raw material resin paste of lower carrier film, it is made fully to flood, after pasting the suitable number of plies, upper carrier film is laid in the superiors, and upper and lower carrier film is pressed in centre glass fibre, and being finally placed on compression moulding in the pressure forming machine of heating is sheet material;
(4) rolling: be that sheet material carries out rolling by step (3) compression moulding, then sheet material is put into drying room and carry out slaking to setting viscosity, obtain automobile fitting SMC material, sample presentation is tested, warehousing after passing.
The invention has the beneficial effects as follows: this automobile fitting SMC material has better physical strength, electric property, insulation resistance, flame retardant type, shock strength, flexural strength and tensile strength, it is a kind of high-performance thermosetting polymer composite, add glass fibre and make that composite density declines, proportion is low, resin and filler are under shrinking agent, make between phase and phase evenly, be conducive to evenly manifesting of color, the requirement on A level surface can be reached.Exempt from surface treatment, steel material can be replaced for the manufacture of auto parts machinery.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Embodiment 1
Automobile fitting SMC material provided by the invention, comprises the raw material of following weight part:
Unsaturated polyester 190 parts,
Shrinking agent 90 parts,
3 parts, solidifying agent,
Block agent 3 parts,
Zinic stearas 10 parts,
400 parts, calcium carbonate,
Vinylbenzene 2 parts,
Magnesium oxide sticks with paste 9 parts,
280 parts, glass fibre,
Carrier film 22 parts;
Shrinking agent is polystyrene; Blocking agent is para benzoquinone.
The present invention also provides a kind of preparation method of above-mentioned automobile fitting SMC material, comprises the following steps:
(1) raw material is taken according to said ratio:
(2) mixing raw material resin paste is prepared: the resin taken and shrinking agent are mixed, add solidifying agent again, block agent mixing, then add stearic acid release agent zinc to stir, finally add mineral filler calcium carbonate, obtain resin paste, resin paste is dispersed into uniform mixing raw material resin paste with vinylbenzene, magnesium oxide paste high speed dispersor again;
(3) sheet material is suppressed: mixing raw material resin paste scattered in step (2) is passed through the uniform blade coating of sheet material machine on upper and lower two panels carrier film, glass fibre is cut into staple fiber by cutting machine simultaneously, evenly be laid in the mixing raw material resin paste of lower carrier film, it is made fully to flood, after pasting the suitable number of plies, upper carrier film is laid in the superiors, and upper and lower carrier film is pressed in centre glass fibre, and being finally placed on compression moulding in the pressure forming machine of heating is sheet material;
(4) rolling: be that sheet material carries out rolling by step (3) compression moulding, then sheet material is put into drying room and carry out slaking to setting viscosity, obtain automobile fitting SMC material, sample presentation is tested, warehousing after passing.
Embodiment 2
Automobile fitting SMC material provided by the invention, comprises the raw material of following weight part:
Unsaturated polyester 200 parts,
Shrinking agent 80 parts,
2 parts, solidifying agent,
Block agent 1 part,
Zinic stearas 15 parts,
450 parts, calcium carbonate,
Vinylbenzene 1 part,
Magnesium oxide sticks with paste 10 parts,
250 parts, glass fibre,
Carrier film 20 parts,
Shrinking agent is polystyrene; Blocking agent is para benzoquinone.
The preparation method of above-mentioned automobile fitting SMC material is identical with embodiment 1.
Embodiment 3
Automobile fitting SMC material provided by the invention, comprises the raw material of following weight part:
Unsaturated polyester 210 parts,
Shrinking agent 100 parts,
4 parts, solidifying agent,
Block agent 2 parts,
Zinic stearas 13 parts,
420 parts, calcium carbonate,
Vinylbenzene 3 parts,
Magnesium oxide sticks with paste 8 parts,
300 parts, glass fibre,
Carrier film 25 parts,
Shrinking agent is polystyrene; Blocking agent is para benzoquinone.
The preparation method of above-mentioned automobile fitting SMC material is identical with embodiment 1.
Embodiment 4
Automobile fitting SMC material provided by the invention, comprises the raw material of following weight part:
Unsaturated polyester 200 parts,
Shrinking agent 90 parts,
2.9 parts, solidifying agent,
Block agent 1.3 parts,
Zinic stearas 13 parts,
425 parts, calcium carbonate,
Vinylbenzene 2 parts,
Magnesium oxide sticks with paste 9.2 parts,
280 parts, glass fibre,
Carrier film 23 parts,
Shrinking agent is polystyrene; Blocking agent is para benzoquinone.
The preparation method of above-mentioned automobile fitting SMC material is identical with embodiment 1.
Claims (3)
1. automobile fitting SMC material, is characterized in that, comprises the raw material of following weight part:
Unsaturated polyester 190-210 part,
Shrinking agent 80-100 part,
Solidifying agent 2-4 part,
Block agent 1-3 part,
Zinic stearas 10-15 part,
Calcium carbonate 400-450 part,
Vinylbenzene 1-3 part,
Magnesium oxide sticks with paste 8-10 part,
Glass fibre 250-300 part,
Carrier film 20-25 part,
Described shrinking agent is polystyrene; It is described that to block agent be para benzoquinone.
2. automobile fitting SMC material according to claim 1, it is characterized in that, comprise the raw material of following weight part: 200 parts of unsaturated polyesters, 90 parts of shrinking agents, 2.9 parts of solidifying agent, block agent for 1.3 parts, 13 parts of Zinic stearass, 425 parts of calcium carbonate, 2 parts of vinylbenzene, 9.2 parts of magnesium oxide are stuck with paste, 280 parts of glass fibre, 23 parts of carrier films.
3. a preparation method for automobile fitting SMC material according to claim 1, is characterized in that, comprise the following steps:
(1) raw material is taken in proportion;
(2) mixing raw material resin paste is prepared: the resin taken and shrinking agent are mixed, add solidifying agent again, block agent mixing, then add stearic acid release agent zinc to stir, finally add mineral filler calcium carbonate, obtain resin paste, resin paste is dispersed into uniform mixing raw material resin paste with vinylbenzene, magnesium oxide paste high speed dispersor again;
(3) sheet material is suppressed: mixing raw material resin paste scattered in step (2) is passed through the uniform blade coating of sheet material machine on upper and lower two panels carrier film, glass fibre is cut into staple fiber by cutting machine simultaneously, evenly be laid in the mixing raw material resin paste of lower carrier film, it is made fully to flood, after pasting the suitable number of plies, upper carrier film is laid in the superiors, and upper and lower carrier film is pressed in centre glass fibre, and being finally placed on compression moulding in the pressure forming machine of heating is sheet material;
(4) rolling: be that sheet material carries out rolling by step (3) compression moulding, then sheet material is put into drying room and carry out slaking to setting viscosity, obtain automobile fitting SMC material, sample presentation is tested, warehousing after passing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610064367.9A CN105542506B (en) | 2016-01-28 | 2016-01-28 | Automobile fitting SMC material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610064367.9A CN105542506B (en) | 2016-01-28 | 2016-01-28 | Automobile fitting SMC material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105542506A true CN105542506A (en) | 2016-05-04 |
| CN105542506B CN105542506B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610064367.9A Active CN105542506B (en) | 2016-01-28 | 2016-01-28 | Automobile fitting SMC material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608846A (en) * | 2018-12-04 | 2019-04-12 | 镇江利德尔复合材料有限公司 | A kind of preparation method of magnesia paste thickening SMC material |
| CN114311902A (en) * | 2021-04-28 | 2022-04-12 | 厦门七级风科技有限公司 | Glass fiber reinforced plastic fan shell and preparation method thereof |
| CN115678305A (en) * | 2022-10-28 | 2023-02-03 | 泰州高意诚复合材料有限公司 | HF acid corrosion resistant special anti-corrosion SMC material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927570A (en) * | 2010-05-11 | 2010-12-29 | 合肥华欣自控设备成套厂 | Method for preparing SMC composite material with high finish surface |
| CN103773216A (en) * | 2012-10-23 | 2014-05-07 | 北京汽车玻璃钢有限公司 | Composition used for SMC product and preparation method for SMC product |
| CN104193911A (en) * | 2014-09-11 | 2014-12-10 | 临安巨丰城市配套设备有限公司 | Sheet-shaped mould plastic for manufacturing inspection well lid and preparation method for sheet-shaped mould plastic |
-
2016
- 2016-01-28 CN CN201610064367.9A patent/CN105542506B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927570A (en) * | 2010-05-11 | 2010-12-29 | 合肥华欣自控设备成套厂 | Method for preparing SMC composite material with high finish surface |
| CN103773216A (en) * | 2012-10-23 | 2014-05-07 | 北京汽车玻璃钢有限公司 | Composition used for SMC product and preparation method for SMC product |
| CN104193911A (en) * | 2014-09-11 | 2014-12-10 | 临安巨丰城市配套设备有限公司 | Sheet-shaped mould plastic for manufacturing inspection well lid and preparation method for sheet-shaped mould plastic |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608846A (en) * | 2018-12-04 | 2019-04-12 | 镇江利德尔复合材料有限公司 | A kind of preparation method of magnesia paste thickening SMC material |
| CN114311902A (en) * | 2021-04-28 | 2022-04-12 | 厦门七级风科技有限公司 | Glass fiber reinforced plastic fan shell and preparation method thereof |
| CN115678305A (en) * | 2022-10-28 | 2023-02-03 | 泰州高意诚复合材料有限公司 | HF acid corrosion resistant special anti-corrosion SMC material |
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| CN105542506B (en) | 2018-02-16 |
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