CN101157794A - Melamine resin modified unsaturated polyester mould plastic - Google Patents
Melamine resin modified unsaturated polyester mould plastic Download PDFInfo
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- CN101157794A CN101157794A CNA2007101320473A CN200710132047A CN101157794A CN 101157794 A CN101157794 A CN 101157794A CN A2007101320473 A CNA2007101320473 A CN A2007101320473A CN 200710132047 A CN200710132047 A CN 200710132047A CN 101157794 A CN101157794 A CN 101157794A
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- unsaturated polyester
- melamine resin
- resin modified
- mould plastic
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Abstract
A modification unsaturated polyester molding compound of melamine resin pertains to the thermosetting molding compound technology field and consists of the following raw materials according to weight proportion: 20 parts to 30 parts of unsaturated polyester resin, 4 parts to 15 parts of melamine resin, 2 parts to 5 parts of cross-linking agent, 0.2 part to 2 parts of initiator, 0.01 part to 0.03 part of inhibitor, 40 parts to 60 parts of fillers, 2 parts to 5 parts of enhanced fiber, 3 parts to 6 parts of flame-retardant agent and 2 parts to 4 parts of knockout agent. The dielectric strength of the molding compound of the invention is more than 12 (MV/m); the heat distortion temperature of the invention is more than 220 DEG C; the curing shrinkage rate of the invention is between 0.8 percent and 1.0 percent; the surface Rockwell hardness of the invention is between M100 and M115; the bending strength of the invention is between 50 MPa and 65 MPa; the bending modulus of the invention is between 6 GPa and 7.5 GPa; the notched impact strength of the invention is between 2 Kj/m<SUP>2</SUP> and 3 Kj/m<SUP>2</SUP> and the flame-retardant performance of the invention is grade UL-94-V-0.
Description
Technical field
The invention belongs to the duroplastic moulding materials technical field, be specifically related to a kind of melamine resin modified unsaturated polyester mould plastic.
Background technology
Polyester molding compound is because of it has that dielectric properties are good, dimensional stabilizing in the hot environment, solidify advantages such as post-shrinkage ratio is little, be widely used as the insulating material of electric product such as switch, electrical equipment, electrical apparatus insulation parts and so on, but, during used as the insulating material of switching relay, contactor etc., do not have the ideal wearability because the surface hardness of polyester molding compound is low, very easily damage, thereby inhibition or title have limited the expansion of polyester molding compound purposes.Melamine formaldehyde resin is the alleged melamine resin of people, it has surface hardness height, strong point that wearability is good, therefore, if can carry out successfully modification to polyester molding compound with it, a kind of useful act that is able to the advantage of vibrin is caused to the greatest extent performance of then can yet be regarded as, the application's technical scheme described below produces under this background.
Summary of the invention
Task of the present invention is to provide that a kind of not only to have excellent dielectric properties, hot environment dimensional stabilizing, cure shrinkage low, and the melamine resin modified unsaturated polyester mould plastic with excellent surface hardness and wear resistance and flame retardant resistance.
Task of the present invention is finished like this, a kind of melamine resin modified unsaturated polyester mould plastic, and its raw material by following parts by weight is formed:
Unsaturated polyester resin 20-30 part;
Melamine resin 4-15 part;
Linking agent 2-5 part;
Initiator 0.2-2 part;
Stopper 0.01-0.03 part;
Filler 40-60 part;
Fortifying fibre 2-5 part;
Fire retardant 3-6 part;
2～4 parts of releasing agents.
A kind of melamine resin modified unsaturated polyester mould plastic, its raw material by following parts by weight is formed:
Unsaturated polyester resin 21-28 part;
Melamine resin 3-13 part;
Linking agent 2-4 part;
Initiator 0.2-1.8 part;
Stopper 0.01-0.019 part;
42～55 parts of fillers;
Fortifying fibre 2-4.5 part;
Fire retardant 3.5-5 part;
2～3.5 parts of releasing agents.
In one embodiment of the invention, described unsaturated polyester resin comprises that fusing point is the non-crystalline type unsaturated polyester resin that 100-115 ℃ crystal type unsaturated polyester resin and fusing point are 80-100 ℃, wherein, the parts by weight of crystal type unsaturated polyester resin are 15～22.5 parts; The parts by weight of non-crystalline type unsaturated polyester resin are 5～7.5 parts.
In another embodiment of the present invention, described linking agent is the monomer that contains the unsaturated double-bond class in the molecular chain, and the monomer that contains the unsaturated double-bond class in the described molecular chain is any one in vinylbenzene, vinyl toluene, the Phthalic acid, diallyl ester.
In yet another embodiment of the present invention, described initiator is one or more the mixing in 2.5-dimethyl-2.5-di-t-butyl-hexane, 1.1-di-t-butyl peroxy-3.3.5-trimethyl-cyclohexane, peroxidized t-butyl perbenzoate, 1.1-bis(t-butylperoxy) cyclohexane, peroxidation tert-butyl acetate, di-t-butyl peroxide, the dicumyl peroxide.
In another embodiment of the present invention, described stopper is any one or more than one the mixing in para benzoquinone, Resorcinol, the methyl hydroquinone.
In another embodiment of the present invention, described filler is mineral filler, and described mineral filler is a mineral filler, and described mineral filler is any one or more than one the mixing in aluminium hydroxide, lime carbonate, talcum powder, the kaolin.
More of the present invention and among embodiment, described fortifying fibre is an organic reinforced fiber, and described organic reinforced fiber is any one or more than one the mixing in aramid fiber, polypropylene fibre, polyacrylonitrile fibre, trevira, Mierocrystalline cellulose, cotton fibre, bamboo fibers, the flaxen fiber.
In of the present invention and then embodiment, described fire retardant is the Halogen based flame retardant or contains phosphorus type flame retardant that described Halogen based flame retardant comprises decabromodiphynly oxide, TDE; The described phosphorus type flame retardant that contains comprises triethyl phosphate, diethyl phosphoric acid, tributyl phosphate, trimethylphenyl phosphoric acid ester.
Of the present invention again more and among embodiment, described releasing agent comprises any one or its mixing in Zinic stearas, Magnesium Stearate, calcium stearate, the lithium stearate.
The dielectric strength of moulding compound provided by the invention greater than 12 (MV/m), heat-drawn wire greater than 220 ℃, cure shrinkage 0.8%～1.0%, surface rockwell hardness M100～M115, flexural strength 50MPa～65MPa, modulus in flexure 6GPa～7.5GPa, notched Izod impact strength 2Kj/m
2～3Kj/m
2, combustion resistive can UL-94-V-0 level.
Embodiment
Embodiment 1:
16 parts of crystal type unsaturated polyester resins;
6 parts of non-crystalline type unsaturated polyester resins;
6.6 parts of melamine resins;
2.5 parts of Phthalic acid, diallyl esters;
0.5 part of peroxidized t-butyl perbenzoate;
0.02 part of para benzoquinone;
50 parts in aluminium hydroxide;
2.5 parts on trevira;
3.2 parts of decabromodiphynly oxides;
2.5 parts of Zinic stearass;
0.2 part of organic yellow (tinting material).
Said components with accurate weighing, after mixing, in double shaft mixer, carry out mixing, melting temperature is 100 ℃～120 ℃, after treating the abundant melting of resin Composition, mixing material is pressed into thin slice and is cooled to room temperature, is crushed to 2～3 millimeters particle then, and obtaining color is the melamine resin modified unsaturated polyester die plastic particle of xanchromatic.
Embodiment 2:
18.5 parts of crystal type unsaturated polyester resins;
6.5 parts of non-crystalline type unsaturated polyester resins;
7.5 parts of melamine resins;
2.8 parts of vinyl toluenes;
0.6 part of dicumyl peroxide;
0.03 part of methyl hydroquinone;
55 parts in lime carbonate;
2.8 parts of polyacrylonitrile fibres;
5.8 parts of tributyl phosphates;
2.8 parts of calcium stearates;
0.15 part of sun-proof red (tinting material).
Said components with accurate weighing, after mixing, in double shaft mixer, carry out mixing, melting temperature is 100 ℃～120 ℃, after treating the abundant melting of resin Composition, mixing material is pressed into thin slice and is cooled to room temperature, is crushed to 2～3 millimeters particle then, obtains color and is red melamine resin modified unsaturated polyester die plastic particle.
Embodiment 3:
21 parts of crystal type unsaturated polyester resins;
7.5 parts of non-crystalline type unsaturated polyester resins;
8.55 parts of melamine resins;
3 parts of Phthalic acid, diallyl esters;
0.45 part of peroxidized t-butyl perbenzoate;
0.15 part of dicumyl peroxide;
0.02 part of para benzoquinone;
Methyl hydroquinone 0.01;
45 parts in aluminium hydroxide;
10 parts in lime carbonate;
2 parts on trevira;
1 part of polyacrylonitrile fibre;
3.4 parts of decabromodiphynly oxides;
2.5 parts of Magnesium Stearates;
0.2 part in phthalein cyanogen green (tinting material).
Said components with accurate weighing, after mixing, in double shaft mixer, carry out mixing, melting temperature is 100 ℃～120 ℃, after treating the abundant melting of resin Composition, mixing material is pressed into thin slice and is cooled to room temperature, is crushed to 2～3 millimeters particle then, obtains color and is green melamine resin modified unsaturated polyester die plastic particle.
Embodiment 4:
16 parts of crystal type unsaturated polyester resins;
6 parts of non-crystalline type unsaturated polyester resins;
10 parts of melamine resins;
4 parts of Phthalic acid, diallyl esters;
2.5-0.7 part of dimethyl-2.5-di-t-butyl-hexane;
0.02 part of para benzoquinone;
45 parts of kaolin;
4 parts of polypropylene fibres;
3 parts of TDE;
3 parts of Zinic stearass;
1 part of titanium dioxide (tinting material).
Said components with accurate weighing, after mixing, in double shaft mixer, carry out mixing, melting temperature is 100 ℃～120 ℃, after treating the abundant melting of resin Composition, mixing material is pressed into thin slice and is cooled to room temperature, is crushed to 2～3 millimeters particle then, obtains the melamine resin modified unsaturated polyester die plastic particle of color for light color.
Embodiment 5:
18 parts of crystal type unsaturated polyester resins;
5 parts of non-crystalline type unsaturated polyester resins;
12 parts of melamine resins;
3.5 parts of Phthalic acid, diallyl esters;
1 part of di-t-butyl peroxide;
0.02 part of para benzoquinone;
58 parts in aluminium hydroxide;
4.2 parts on trevira;
4.5 parts of decabromodiphynly oxides;
2.5 parts of Zinic stearass;
0.3 part in phthalein cyanogen indigo plant (tinting material).
Said components with accurate weighing, after mixing, in double shaft mixer, carry out mixing, melting temperature is 100 ℃～120 ℃, after treating the abundant melting of resin Composition, mixing material is pressed into thin slice and is cooled to room temperature, is crushed to 2～3 millimeters particle then, obtains color and is blue melamine resin modified unsaturated polyester die plastic particle.
Embodiment 6:
21 parts of crystal type unsaturated polyester resins;
5.2 parts of non-crystalline type unsaturated polyester resins;
13.5 parts of melamine resins;
2.6 parts of vinyl toluenes;
1.8 parts of peroxidized t-butyl perbenzoates;
0.028 part of para benzoquinone;
52 parts in aluminium hydroxide;
5 parts of polypropylene fibres;
3.6 parts of decabromodiphynly oxides;
2.3 parts of lithium stearates;
0.5 part of carbon black (tinting material).
Said components with accurate weighing, after mixing, in double shaft mixer, carry out mixing, melting temperature is 100 ℃～120 ℃, after treating the abundant melting of resin Composition, mixing material is pressed into thin slice and is cooled to room temperature, is crushed to 2～3 millimeters particle then, and obtaining color is the melamine resin modified unsaturated polyester die plastic particle of black.
The technique effect that has the excellence shown in the following table after tested by the resulting melamine resin modified unsaturated polyester mould plastic of the foregoing description:
| Test event | Embodiment | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | |
| Cure shrinkage % | 0.82 | 0.84 | 0.87 | 0.91 | 0.94 | 0.98 |
| Notched Izod impact strength Kj/m 2 | 2.2 | 2.3 | 2.5 | 2.4 | 2.8 | 2.6 |
| Flexural strength MPa | 54 | 56 | 64 | 55 | 62 | 57 |
| Modulus in flexure GPa | 6.3 | 6.7 | 6.8 | 6.6 | 7.0 | 7.5 |
| Rockwell hardness | M105 | M107 | M108 | M110 | M114 | M112 |
| Electrical strength MV/m | ≥12 | |||||
| Surface resistivity Ω | 1×10 13 | |||||
| Heat-drawn wire ℃ | ≥220 | |||||
| Combustionproperty | V-0 | |||||
Claims (10)
1. melamine resin modified unsaturated polyester mould plastic is characterized in that its raw material by following parts by weight forms:
Unsaturated polyester resin 20-30 part;
Melamine resin 4-15 part;
Linking agent 2-5 part;
Initiator 0.2-2 part;
Stopper 0.01-0.03 part;
Filler 40-60 part;
Fortifying fibre 2-5 part;
Fire retardant 3-6 part;
2～4 parts of releasing agents.
2. melamine resin modified unsaturated polyester mould plastic is characterized in that its raw material by following parts by weight forms:
Unsaturated polyester resin 21-28 part;
Melamine resin 3-13 part;
Linking agent 2-4 part;
Initiator 0.2-1.8 part;
Stopper 0.01-0.019 part;
42～55 parts of fillers;
Fortifying fibre 2-4.5 part;
Fire retardant 3.5-5 part;
2～3.5 parts of releasing agents.
3. melamine resin modified unsaturated polyester mould plastic according to claim 1 and 2, it is characterized in that described unsaturated polyester resin comprises that fusing point is that to count fat and fusing point be 80-100 ℃ non-crystalline type unsaturated polyester resin for 100-115 ℃ crystal type unsaturated polyester, wherein, the parts by weight of crystal type unsaturated polyester resin are 15～22.5 parts; The parts by weight of non-crystalline type unsaturated polyester resin are 5～7.5 parts.
4. melamine resin modified unsaturated polyester mould plastic according to claim 1 and 2, it is characterized in that described linking agent is the monomer that contains the unsaturated double-bond class in the molecular chain, the monomer that contains the unsaturated double-bond class in the described molecular chain is any one in vinylbenzene, vinyl toluene, the Phthalic acid, diallyl ester.
5. melamine resin modified unsaturated polyester mould plastic according to claim 1 and 2 is characterized in that described initiator is one or more the mixing in 2.5-dimethyl-2.5-di-t-butyl-hexane, 1.1-di-t-butyl peroxy-3.3.5-trimethyl-cyclohexane, peroxidized t-butyl perbenzoate, 1.1-bis(t-butylperoxy) cyclohexane, peroxidation tert-butyl acetate, di-t-butyl peroxide, the dicumyl peroxide.
6. melamine resin modified unsaturated polyester mould plastic according to claim 1 and 2 is characterized in that described stopper is any one or more than one the mixing in para benzoquinone, Resorcinol, the methyl hydroquinone.
7. melamine resin modified unsaturated polyester mould plastic according to claim 1 and 2, it is characterized in that described filler is mineral filler, described mineral filler is a mineral filler, and described mineral filler is any one or more than one the mixing in aluminium hydroxide, lime carbonate, talcum powder, the kaolin.
8. melamine resin modified unsaturated polyester mould plastic according to claim 1 and 2, it is characterized in that described fortifying fibre is an organic reinforced fiber, described organic reinforced fiber is any one or more than one the mixing in aramid fiber, polypropylene fibre, polyacrylonitrile fibre, trevira, Mierocrystalline cellulose, cotton fibre, bamboo fibers, the flaxen fiber.
9. melamine resin modified unsaturated polyester mould plastic according to claim 1 and 2 is characterized in that described fire retardant is the Halogen based flame retardant or contains phosphorus type flame retardant, and described Halogen based flame retardant comprises decabromodiphynly oxide, TDE; The described phosphorus type flame retardant that contains comprises triethyl phosphate, diethyl phosphoric acid, tributyl phosphate, trimethylphenyl phosphoric acid ester.
10. melamine resin modified unsaturated polyester mould plastic according to claim 2 is characterized in that described releasing agent comprises any one or its mixing in Zinic stearas, Magnesium Stearate, calcium stearate, the lithium stearate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101320473A CN101157794B (en) | 2007-09-07 | 2007-09-07 | Melamine resin modified unsaturated polyester mould plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101320473A CN101157794B (en) | 2007-09-07 | 2007-09-07 | Melamine resin modified unsaturated polyester mould plastic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101157794A true CN101157794A (en) | 2008-04-09 |
| CN101157794B CN101157794B (en) | 2011-05-18 |
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ID=39306039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101320473A Active CN101157794B (en) | 2007-09-07 | 2007-09-07 | Melamine resin modified unsaturated polyester mould plastic |
Country Status (1)
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| CN (1) | CN101157794B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389185A (en) * | 2011-07-27 | 2012-03-28 | 广东溢达纺织有限公司 | Unsaturated polyester resin button and preparation method thereof |
| CN103160092A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Halogen-free antibacterial flame-retardation unsaturated polyester molding compound |
| CN103160097A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Flame-retardation nonsaturated polyester glass fiber reinforced plastic molding compound |
| CN103160089A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Flame-retardant nanometer rubber modified glass fiber reinforced plastic molding compound |
| CN103160095A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Halogen-free high-flame-retardant unsaturated polyester molding compound |
| CN103160090A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Conductive unsaturated polyester molding plastic |
| CN103160098A (en) * | 2013-03-21 | 2013-06-19 | 宁波华缘复合新材料有限公司 | Thermosetting plastic |
| GB2499491A (en) * | 2011-12-14 | 2013-08-21 | Univ Bolton | Compatibilised polymer blends |
| CN106751451A (en) * | 2016-11-24 | 2017-05-31 | 郑州峰泰纳米材料有限公司 | A kind of fiber reinforcement type melamine resin foam sponge and preparation method thereof |
| CN108192280A (en) * | 2017-12-29 | 2018-06-22 | 溧阳市乔森塑料有限公司 | Modified melamine-formaldehyde moulding compound and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554493A (en) * | 2003-12-25 | 2004-12-15 | 同济大学 | Recovering and treating method for glass fibre reinforced plastic waste |
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2007
- 2007-09-07 CN CN2007101320473A patent/CN101157794B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389185A (en) * | 2011-07-27 | 2012-03-28 | 广东溢达纺织有限公司 | Unsaturated polyester resin button and preparation method thereof |
| GB2499491A (en) * | 2011-12-14 | 2013-08-21 | Univ Bolton | Compatibilised polymer blends |
| GB2499491B (en) * | 2011-12-14 | 2016-07-27 | Univ Of Bolton | Compatibilised polymer blends |
| CN103160092A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Halogen-free antibacterial flame-retardation unsaturated polyester molding compound |
| CN103160097A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Flame-retardation nonsaturated polyester glass fiber reinforced plastic molding compound |
| CN103160089A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Flame-retardant nanometer rubber modified glass fiber reinforced plastic molding compound |
| CN103160095A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Halogen-free high-flame-retardant unsaturated polyester molding compound |
| CN103160090A (en) * | 2011-12-16 | 2013-06-19 | 常熟市发东塑业有限公司 | Conductive unsaturated polyester molding plastic |
| CN103160098A (en) * | 2013-03-21 | 2013-06-19 | 宁波华缘复合新材料有限公司 | Thermosetting plastic |
| CN106751451A (en) * | 2016-11-24 | 2017-05-31 | 郑州峰泰纳米材料有限公司 | A kind of fiber reinforcement type melamine resin foam sponge and preparation method thereof |
| CN108192280A (en) * | 2017-12-29 | 2018-06-22 | 溧阳市乔森塑料有限公司 | Modified melamine-formaldehyde moulding compound and preparation method thereof |
| CN108192280B (en) * | 2017-12-29 | 2020-12-22 | 溧阳市乔森塑料有限公司 | Modified melamine formaldehyde molding compound and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101157794B (en) | 2011-05-18 |
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