CN109880332A - A kind of high fire-retardance, high-intensitive environmental type sheet molding compound and preparation method thereof - Google Patents
A kind of high fire-retardance, high-intensitive environmental type sheet molding compound and preparation method thereof Download PDFInfo
- Publication number
- CN109880332A CN109880332A CN201910113783.7A CN201910113783A CN109880332A CN 109880332 A CN109880332 A CN 109880332A CN 201910113783 A CN201910113783 A CN 201910113783A CN 109880332 A CN109880332 A CN 109880332A
- Authority
- CN
- China
- Prior art keywords
- parts
- molding compound
- sheet molding
- retardance
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of high fire-retardance, high-intensitive environment-friendly type sheet molding compound and preparation method thereof, the present invention relates to plastics arts.It is made of following parts by weight ingredient: 60-70 parts of unsaturated polyester resin, 30-40 parts of low shrinkage additive, 3-8 parts of crosslinking agent, 3-8 parts of dispersing agent, 0.3-1 parts of coupling agent, 1-2 parts of curing agent, 0.3-0.6 parts of polymerization inhibitor, 4-6 parts of release agent, 4-8 parts of pigment paste, 150-200 parts of aluminium hydroxide, 10-40 parts of phosphorus-nitrogen containing flame retardant, 1-2 parts of thickener, 100-200 parts of reinforcing material.System viscosity is reduced, boundary strength is improved, improves the strength of materials, sheet molding compound has high fire-retardance, high-strength characteristic, and the material is halogen-free, and smokescope is low, environmentally protective.
Description
Technical field
The present invention relates to plastics arts, and in particular to a kind of high fire-retardance, high-intensitive environment-friendly type sheet molding compound and
Preparation method.
Background technique
Sheet molding compound (English name is Sheet molding compound, abbreviation SMC) is a kind of novel thermosetting
Property reinforced plastics, is made of unsaturated polyester resin, low shrinkage additive, filler, thickener, glass fibre and various auxiliary agents
Raw material are used in molding.It has excellent mechanical performance, electric property, thermal stability and corrosion resistance, mechanical performance
It can compare favourably with part metals material, and its product shrinks low, accurate size, specific strength is high, lightweight, thus answers extensively
For in the industries such as auto industry, building, electric.
With environmental regulation, security legislation it is increasingly stringent, flame-retardant system has developed to Halogen system by halogen system, but
It is that sheet molding compound currently on the market is for fire-retardant rank requires the high SMC system that especially can reach non-ignitable rank, together
When, has high-intensitive, environmentally protective again, and there is also certain technical bottlenecks.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of structure is simple, design rationally, make
With convenient high fire-retardance, high-intensitive environment-friendly type sheet molding compound and preparation method thereof, system viscosity is reduced, interface is improved
Intensity improves the strength of materials, and sheet molding compound has high fire-retardance, high-strength characteristic, and the material is halogen-free, and smog is dense
Spend it is low, it is environmentally protective.
To achieve the above object, heretofore described environment-friendly type sheet molding compound, it is made of following parts by weight ingredient:
60-70 parts of unsaturated polyester resin, 30-40 parts of low shrinkage additive, 3-8 parts of crosslinking agent, 3-8 parts of dispersing agent, coupling agent 0.3-1
Part, 1-2 parts of curing agent, 0.3-0.6 parts of polymerization inhibitor, 4-6 parts of release agent, 4-8 parts of pigment paste, 150-200 parts of aluminium hydroxide, phosphorus nitrogen
10-40 parts of flame retardant, 1-2 parts of thickener, 100-200 parts of reinforcing material.
Further, the unsaturated polyester resin is isophthalic neopentyl glycol type resin, one in vinyl ester resin
Kind or both mixing.
Further, the low shrinkage additive is saturated polyester resin, high impact polystyrene resinoid, poly-vinegar acid
Vinylester resin.
Further, the crosslinking agent is styrene, methyl methacrylate, preferably methyl methacrylate.
Further, the dispersing agent is one or both of BYK-W996, BYK-W9010 mixing.
Further, the coupling agent is silane coupling agent.
Further, the curing agent is peroxidized t-butyl perbenzoate.
Further, the polymerization inhibitor is 8% 1,4-benzoquinone styrene solution.
Further, the release agent is one of zinc stearate, calcium stearate or both mixing.
Further, the pigment paste is that the toner of various colors and monomer-free unsaturated polyester resin P50 mixing are ground
Mill base made of mill.
Further, the aluminium hydroxide is the aluminium hydroxide of 8um and 15um size grading, the weight of 8um and 15um
Than for (3-4): 1.
Further, the phosphorus-nitrogen containing flame retardant is melamine phosphate, polyphosphoric acid ammonium salt.
Further, the thickener is the mixture of magnesium hydroxide and magnesia, is configured to 50wt% paste, oxygen
The weight ratio for changing magnesium and magnesium hydroxide is (3-4): 1.
Further, the reinforcing material is the mixing of 1 inch, 2 inches alkali-free glass fibre of length.
Environment-friendly type sheet molding compound of the present invention, preparation method are as follows:
1, first by unsaturated polyester resin, low shrinkage additive, crosslinking agent, dispersing agent, coupling agent, curing agent, polymerization inhibitor, demoulding
Agent, aluminium hydroxide, nitrogen phosphorus flame retardant are uniformly mixed by high speed disperser, obtain SMC resin paste；
2, SMC resin paste obtained in step 1 is poured into the resin paste storage tank of SMC sheet unit, it is online be added pigment paste and
Thickener, produces high fire-retardance, high-intensitive environment-friendly type sheet molding compound in SMC sheet shaping machine set, in 45- after sealed package
It is thickened 16-48h at a temperature of 48 DEG C, obtains the sheet molding compound.
After mentioned component and procedure of processing, the invention has the following beneficial effects: a kind of high fire-retardance of the present invention, high-strength
Environment-friendly type sheet molding compound of degree and preparation method thereof adds the aluminium hydroxide of certain amount different-grain diameter gradation, adds simultaneously
A certain number of phosphorus-nitrogen containing flame retardants improve product flame retardant rating using composite flame retardant system, reach non-ignitable, and be free of
Halogen, smokescope is low, environmentally protective；By adding a certain number of dispersing agents and coupling agent, system viscosity is reduced, is improved
Boundary strength, reinforcing material is with 2 inch fiberglass fibers mixed using 1 inch, improves the strength of materials, reaches high intensity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the performance test table of environment-friendly type sheet molding compound obtained by embodiment one to example IV.
Specific embodiment
The present invention will be further described below with reference to the drawings.
Referring to as shown in Figure 1, high fire-retardance described in present embodiment (embodiment one) the present embodiment, high-intensitive
Environment-friendly type sheet molding compound, weight are as follows: 60 parts of o-phthalate neopentyl glycol type unsaturated polyester resin, saturated polyester class
40 parts of low shrinkage additive, 5 parts of styrene, 3 parts of W9010 dispersing agent, 0.5 part of silane coupling agent, peroxidized t-butyl perbenzoate
1.1 parts, 0.35 part of 8% 1,4-benzoquinone styrene solution, 4.5 parts of zinc stearate, 5 parts of pigment paste, 120 parts of 8um aluminium hydroxide, 15um
0.4 part, 1 inch 30 parts of aluminium hydroxide, 30 parts of melamine phosphate, 1.2 parts of magnesia, magnesium hydroxide alkali-free glass fibre
100 parts, 2 inches 50 parts of alkali-free glass fibre.
Environment-friendly type sheet molding compound, preparation method described in the present embodiment are as follows:
1, by above-mentioned o-phthalate neopentyl glycol type unsaturated polyester resin, saturated polyester class low shrinkage additive, styrene, W9010
Dispersing agent, silane coupling agent, peroxidized t-butyl perbenzoate, 8% 1,4-benzoquinone styrene solution, zinc stearate, 8um hydroxide
Aluminium, 15um aluminium hydroxide, melamine phosphate are uniformly mixed by high speed disperser, obtain SMC resin paste；
2, SMC resin paste obtained in step 1 is poured into the resin paste storage tank of SMC sheet unit, it is online be added pigment paste and
Thickener produces high fire-retardance, high-intensitive green environment friendly sheet molding compound, after molding in SMC sheet shaping machine set
45-48 DEG C at a temperature of be thickened 16-24h, obtain sheet molding compound.
After mentioned component and procedure of processing, present embodiment has the beneficial effect that one kind of the present invention
High fire-retardance, high-intensitive environment-friendly type sheet molding compound and preparation method thereof, add the hydroxide of certain amount different-grain diameter gradation
Aluminium, while a certain number of phosphorus-nitrogen containing flame retardants are added, using composite flame retardant system, product flame retardant rating is improved, is reached not
Combustion, and be halogen-free, smokescope is low, environmentally protective；By adding a certain number of dispersing agents and coupling agent, body is reduced
It is viscosity, improves boundary strength, reinforcing material is mixed with 2 inch fiberglass fibers using 1 inch, improves the strength of materials, reaches
To high intensity.
Embodiment two:
High fire-retardance described in the present embodiment, high-intensitive environment-friendly type sheet molding compound, weight are as follows: isophthalic new penta
30 parts of diol type unsaturated polyester resin, 30 parts of vinyl ester resin, 25 parts of saturated polyester class low shrinkage additive, vinyl acetate
15 parts of esters low shrinkage additive, 5 parts of methyl methacrylate, 2 parts of W996 dispersing agent, 2 parts of W9010 dispersing agent, silanes are even
Join 0.8 part of agent, 1.3 parts of peroxidized t-butyl perbenzoate, 0.4 part of 8% 1,4-benzoquinone styrene solution, 4.8 parts of zinc stearate, pigment
Paste 6 parts, 140 parts of 8um aluminium hydroxide, 40 parts of 15um aluminium hydroxide, 25 parts of melamine phosphate, 1.0 parts of magnesia, hydroxide
0.3 part, 1 inch of magnesium, 50 parts of alkali-free glass fibre of 105 parts, 2 inches of alkali-free glass fibre.
Environment-friendly type sheet molding compound, preparation method described in the present embodiment are as follows:
1, by above-mentioned o-phthalate neopentyl glycol type unsaturated polyester resin, vinyl ester resin, saturated polyester class low shrinkage additive,
Vinyl acetate esters low shrinkage additive, methyl methacrylate, W996 dispersing agent, W9010 dispersing agent, silane coupling agent,
Peroxidized t-butyl perbenzoate, 8% 1,4-benzoquinone styrene solution, zinc stearate, 8um aluminium hydroxide, 15um aluminium hydroxide, trimerization
Cyanamide phosphate is uniformly mixed by high speed disperser, obtains SMC resin paste；
2, SMC resin paste obtained in step 1 is poured into the resin paste storage tank of SMC sheet unit, it is online be added pigment paste and
Thickener produces high fire-retardance, high-intensitive green environment friendly sheet molding compound, after molding in SMC sheet shaping machine set
45-48 DEG C at a temperature of be thickened 24-40h, obtain sheet molding compound.
Embodiment three:
High fire-retardance described in the present embodiment, high-intensitive environment-friendly type sheet molding compound, weight are as follows: vinyl esters
65 parts of resin, 35 parts of high impact polystyrene class low shrinkage additive, 5 parts of styrene, 3 parts of W996 dispersing agent, W9010 dispersing agent
3 parts, 0.6 part of silane coupling agent, 1.5 parts of peroxidized t-butyl perbenzoate, 0.45 part of 8% 1,4-benzoquinone styrene solution, stearic acid
5.0 parts of zinc, 5 parts of pigment paste, 120 parts of 8um aluminium hydroxide, 30 parts of 15um aluminium hydroxide, 35 parts of melamine phosphate, magnesia
1.5 parts, 0.5 part, 1 inch of magnesium hydroxide, 50 parts of alkali-free glass fibre of 105 parts, 2 inches of alkali-free glass fibre.
Environment-friendly type sheet molding compound, preparation method described in the present embodiment are as follows:
1, above-mentioned vinyl ester resin, high impact polystyrene class low shrinkage additive, methyl methacrylate, W996 are dispersed
Agent, W9010 dispersing agent, peroxidized t-butyl perbenzoate, 8% 1,4-benzoquinone styrene solution, zinc stearate, 8um aluminium hydroxide,
15um aluminium hydroxide, melamine phosphate are uniformly mixed by high speed disperser, obtain SMC resin paste；
2, SMC resin paste obtained in step 1 is poured into the resin paste storage tank of SMC sheet unit, it is online be added pigment paste and
Magnesia paste produces high fire-retardance, high-intensitive green environment friendly sheet molding compound, molding in SMC sheet shaping machine set
Afterwards 45-48 DEG C at a temperature of be thickened 40-48h, obtain sheet molding compound.
Example IV:
High fire-retardance described in the present embodiment, high-intensitive environment-friendly type sheet molding compound, weight are as follows: vinyl
65 parts of ester resin, 25 parts of saturated polyester class low shrinkage additive, 10 parts of vinyl acetate esters low shrinkage additive, 5 parts of styrene,
6 parts of W996 dispersing agent, 3 parts of W9010 dispersing agent, 1 part of silane coupling agent, 1.5 parts of peroxidized t-butyl perbenzoate, 8% 1,4-benzoquinone
0.45 part of styrene solution, 5 parts of zinc stearate, 6 parts of pigment paste, 150 parts of 8um aluminium hydroxide, 50 parts of 15um aluminium hydroxide, paracyanogen
20 parts of ammonium phosphate salt, 1.6 parts of magnesia, 0.4 part, 1 inch of magnesium hydroxide, 105 parts, 2 inches of alkali-free glass fibre alkali-free glass fibre
50 parts of dimension.
Environment-friendly type sheet molding compound, preparation method described in the present embodiment are as follows:
1, by above-mentioned vinyl ester resin, saturated polyester class low shrinkage additive, vinyl acetate esters low shrinkage additive, benzene second
Alkene, W996 dispersing agent, W9010 dispersing agent, peroxidized t-butyl perbenzoate, 8% 1,4-benzoquinone styrene solution, zinc stearate, 8um
Aluminium hydroxide, 15um aluminium hydroxide, polyphosphoric acid ammonium salt are uniformly mixed by high speed disperser, obtain SMC resin paste；
2, SMC resin paste obtained in step 1 is poured into the resin paste storage tank of SMC sheet unit, it is online be added pigment paste and
Magnesia paste produces high fire-retardance, high-intensitive green environment friendly sheet molding compound, molding in SMC sheet shaping machine set
Afterwards 45-48 DEG C at a temperature of be thickened 16-40h, obtain sheet molding compound.
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of high fire-retardance, high-intensitive environment-friendly type sheet molding compound, it is characterised in that:, it is made of following parts by weight ingredient:
60-70 parts of unsaturated polyester resin, 30-40 parts of low shrinkage additive, 3-8 parts of crosslinking agent, 3-8 parts of dispersing agent, coupling agent 0.3-1
Part, 1-2 parts of curing agent, 0.3-0.6 parts of polymerization inhibitor, 4-6 parts of release agent, 4-8 parts of pigment paste, 150-200 parts of aluminium hydroxide, phosphorus nitrogen
10-40 parts of flame retardant, 1-2 parts of thickener, 100-200 parts of reinforcing material.
2. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Unsaturated polyester resin be one of isophthalic neopentyl glycol type resin, vinyl ester resin or both mixing.
3. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Dispersing agent be one or both of BYK-W996, BYK-W9010 mixing.
4. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Coupling agent be silane coupling agent；The curing agent is peroxidized t-butyl perbenzoate；The polymerization inhibitor is 8% pair of benzene
Quinone styrene solution；The crosslinking agent is styrene, methyl methacrylate；The low shrinkage additive is saturated polyester
Resin, high impact polystyrene resinoid, polyvinyl acetate resins；The phosphorus-nitrogen containing flame retardant is melamine phosphoric acid
Salt, polyphosphoric acid ammonium salt.
5. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Pigment paste be various colors toner and monomer-free unsaturated polyester resin P50 mixing mill made of mill base.
6. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Release agent be one of zinc stearate, calcium stearate or both mixing.
7. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Aluminium hydroxide be 8um and 15um size grading aluminium hydroxide, the weight ratio of 8um and 15um are (3-4): 1.
8. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Thickener be magnesium hydroxide and magnesia mixture, be configured to 50wt% paste, the weight ratio of magnesia and magnesium hydroxide
For (3-4): 1.
9. a kind of high fire-retardance according to claim 1, high-intensitive environment-friendly type sheet molding compound, it is characterised in that: described
Reinforcing material be 1 inch, 2 inches alkali-free glass fibre of length mixing.
10. the preparation method of a kind of high fire-retardance, high-intensitive environment-friendly type sheet molding compound, it is characterised in that:
(1), first by unsaturated polyester resin, low shrinkage additive, crosslinking agent, dispersing agent, coupling agent, curing agent, polymerization inhibitor, de-
Mould agent, aluminium hydroxide, nitrogen phosphorus flame retardant are uniformly mixed by high speed disperser, obtain SMC resin paste；
(2), SMC resin paste obtained in step (1) is poured into the resin paste storage tank of SMC sheet unit, pigment is added online
Paste and thickener, produce high fire-retardance, high-intensitive environment-friendly type sheet molding compound in SMC sheet shaping machine set, after sealed package
45-48 DEG C at a temperature of be thickened 16-48h, obtain the sheet molding compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113783.7A CN109880332A (en) | 2019-02-14 | 2019-02-14 | A kind of high fire-retardance, high-intensitive environmental type sheet molding compound and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113783.7A CN109880332A (en) | 2019-02-14 | 2019-02-14 | A kind of high fire-retardance, high-intensitive environmental type sheet molding compound and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109880332A true CN109880332A (en) | 2019-06-14 |
Family
ID=66928046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910113783.7A Pending CN109880332A (en) | 2019-02-14 | 2019-02-14 | A kind of high fire-retardance, high-intensitive environmental type sheet molding compound and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109880332A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951227A (en) * | 2019-12-23 | 2020-04-03 | 无锡新宏泰电器科技股份有限公司 | SMC polyester molding compound and preparation method and application thereof |
| CN111303651A (en) * | 2020-03-09 | 2020-06-19 | 句容市久诺复合材料有限公司 | Flame-retardant SMC composite material |
| CN111892802A (en) * | 2020-07-31 | 2020-11-06 | 广东百汇达新材料有限公司 | SMC (sheet molding compound) for new energy automobile battery cover and preparation method thereof |
| CN111944292A (en) * | 2020-07-31 | 2020-11-17 | 广东百汇达新材料有限公司 | Colorful SMC material applied to bathroom product and preparation method thereof |
| CN113174126A (en) * | 2021-05-13 | 2021-07-27 | 河北英丽达新材料科技有限公司 | High-performance SMC molding compound and preparation method thereof |
| CN113308103A (en) * | 2021-06-02 | 2021-08-27 | 江苏金隆新材料有限公司 | Heat-resistant flame-retardant unsaturated polyester resin and preparation method thereof |
| CN114085510A (en) * | 2021-12-30 | 2022-02-25 | 江苏兆鋆新材料股份有限公司 | SMC (sheet molding compound) material with high covering rate and high gloss and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514254A (en) * | 2009-03-09 | 2009-08-26 | 北京中铁长龙新型复合材料有限公司 | Sheet molding compound with high flame resistance, low smoke and non-toxic and preparation method thereof |
| CN105482399A (en) * | 2015-11-27 | 2016-04-13 | 四川迪弗电工科技有限公司 | Unsaturated polyester resin fiber reinforced sheet-shape molding compound and preparation method thereof |
| CN106167609A (en) * | 2016-08-05 | 2016-11-30 | 振石集团华美新材料有限公司 | A kind of high flow flame-proof sheet molding compound and preparation method thereof |
| CN107474507A (en) * | 2017-08-11 | 2017-12-15 | 振石集团华美新材料有限公司 | Continuously-directional glass fiber strengthens high fire-retardance low water absorption sheet molding compound and preparation method |
-
2019
- 2019-02-14 CN CN201910113783.7A patent/CN109880332A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514254A (en) * | 2009-03-09 | 2009-08-26 | 北京中铁长龙新型复合材料有限公司 | Sheet molding compound with high flame resistance, low smoke and non-toxic and preparation method thereof |
| CN105482399A (en) * | 2015-11-27 | 2016-04-13 | 四川迪弗电工科技有限公司 | Unsaturated polyester resin fiber reinforced sheet-shape molding compound and preparation method thereof |
| CN106167609A (en) * | 2016-08-05 | 2016-11-30 | 振石集团华美新材料有限公司 | A kind of high flow flame-proof sheet molding compound and preparation method thereof |
| CN107474507A (en) * | 2017-08-11 | 2017-12-15 | 振石集团华美新材料有限公司 | Continuously-directional glass fiber strengthens high fire-retardance low water absorption sheet molding compound and preparation method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951227A (en) * | 2019-12-23 | 2020-04-03 | 无锡新宏泰电器科技股份有限公司 | SMC polyester molding compound and preparation method and application thereof |
| CN111303651A (en) * | 2020-03-09 | 2020-06-19 | 句容市久诺复合材料有限公司 | Flame-retardant SMC composite material |
| CN111892802A (en) * | 2020-07-31 | 2020-11-06 | 广东百汇达新材料有限公司 | SMC (sheet molding compound) for new energy automobile battery cover and preparation method thereof |
| CN111944292A (en) * | 2020-07-31 | 2020-11-17 | 广东百汇达新材料有限公司 | Colorful SMC material applied to bathroom product and preparation method thereof |
| CN111892802B (en) * | 2020-07-31 | 2022-11-29 | 广东百汇达新材料有限公司 | SMC (sheet molding compound) for new energy automobile battery cover and preparation method thereof |
| CN113174126A (en) * | 2021-05-13 | 2021-07-27 | 河北英丽达新材料科技有限公司 | High-performance SMC molding compound and preparation method thereof |
| CN113308103A (en) * | 2021-06-02 | 2021-08-27 | 江苏金隆新材料有限公司 | Heat-resistant flame-retardant unsaturated polyester resin and preparation method thereof |
| CN113308103B (en) * | 2021-06-02 | 2022-03-08 | 江苏金隆新材料有限公司 | Heat-resistant flame-retardant unsaturated polyester resin and preparation method thereof |
| CN114085510A (en) * | 2021-12-30 | 2022-02-25 | 江苏兆鋆新材料股份有限公司 | SMC (sheet molding compound) material with high covering rate and high gloss and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109880332A (en) | A kind of high fire-retardance, high-intensitive environmental type sheet molding compound and preparation method thereof | |
| US3227665A (en) | Polymerizable, cross-linkable, unsaturated polyester resin composition and method of making same | |
| CN108559230A (en) | Applied to easy coloring lower shrinkage, the high fire-retardance SMC material and preparation method thereof in new energy car battery box | |
| CN105482399A (en) | Unsaturated polyester resin fiber reinforced sheet-shape molding compound and preparation method thereof | |
| CN104231584A (en) | Low-shrinkage medium-temperature-cured high-efficiency flame-retardant unsaturated polyester fiberglass reinforced plastic board and preparation method thereof | |
| CN104629238B (en) | A kind of halogen-free flameproof basalt fibre enhancing unsaturated polyester resin composite material and preparation method thereof | |
| CN101935441B (en) | Glass steel curing agent composition, glass steel made therefrom and transformer platform | |
| GB2033403A (en) | Glass fibre-reinforced thermoplastic polyester composition | |
| CN104098897A (en) | Corrosion-resistant anti-fatigue cable sheath material | |
| CN103554863A (en) | LED lampshade material polycarbonate resin composition and preparation method thereof | |
| CN102719062B (en) | Glass fiber reinforced flame retardant polybutylene terephthalate resin composition with laser engraving function and preparation method thereof | |
| CN100404238C (en) | Thermosetting-heat plasticity compound resin based continuous fiber reinforced composite material | |
| KR910007302B1 (en) | Fiber-reinforced thermosetting resin molding material and process for its production | |
| CN107418119A (en) | A kind of fire-retardant power electric meter sheathing material and preparation method thereof | |
| CN105885169A (en) | Wear-proof high-intensity composite power cable material and preparation method thereof | |
| CN106398137B (en) | A kind of halogen-free flameproof long glass fiber reinforced PET composite material and preparation method thereof | |
| US3158528A (en) | Siliceous reinforced resins | |
| CN103289368B (en) | A kind of continuous carbon fibre strengthens halogen-free reinforced nylon composite and preparation method thereof | |
| CN114213827A (en) | Solvent-resistant halogen-free flame-retardant PC/PETG alloy and preparation method thereof | |
| CN106397915A (en) | Cable insulating layer material with excellent thermal stability and preparation method thereof | |
| CN117700836A (en) | Flame-retardant glass fiber, preparation method thereof and thermoplastic resin composite material | |
| CN109988404A (en) | A kind of dedicated sheet molding compound of railway tunnel protective door and preparation method thereof | |
| JPH0867771A (en) | Flame-retardant molding material | |
| CN110358296A (en) | A kind of high tenacity continuous fiber reinforcement PPS composite material prepreg and preparation method thereof | |
| EP0052642A4 (en) | Flame retardant molding composition. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |
|
| RJ01 | Rejection of invention patent application after publication |