CN103788314A - Rapid-prototyping high-performance imitation natural marble series mould plastic - Google Patents
Rapid-prototyping high-performance imitation natural marble series mould plastic Download PDFInfo
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- CN103788314A CN103788314A CN201410052983.3A CN201410052983A CN103788314A CN 103788314 A CN103788314 A CN 103788314A CN 201410052983 A CN201410052983 A CN 201410052983A CN 103788314 A CN103788314 A CN 103788314A
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Abstract
The invention discloses a rapid-prototyping high-performance imitation natural marble series mould plastic which comprises the following materials in percentage by weight: 18-25% of m-phenyl A-class surface resin, 4-8% of HIPS polystyrene, 2-4% of PE micro powder, 1-2% of saturated polyester, 1-4% of styrene monomer, 0.15-0.3% of TBPB curing agent, 0.10-0.2% of BPIC-C75 curing agent, 0.10-0.3% of polymerization inhibitor, 0.1-0.3% of magnesium oxide, 0.3-1% of ultraviolet absorber, 0.1-0.3% of fumed silica, 40-45% of aluminum hydroxide filler, 10-15% of heavy calcium carbonate filler, 10-15% of 6mm glass fiber, 5-10% of 12mm glass fiber and 0.1-0.5% of color paste. The product provided by the invention can be compared favorably with natural marble.
Description
Technical field
The present invention relates to a kind of moulding compound, refer in particular to a kind of rapid shaping high-performance imitating natural marble series moulding compound DLS-BMC.
Background technology
At present, due to natural marble scarcity of resources, and processed complex, loss are large, cause and hold at high price.A large amount of rostones that use on market, rostone outward appearance is beautiful, and machine-shaping is convenient, still produces because present rostone generally adopts normal temperature, pouring technology with no pressure, and there is the problems such as the easy generation in surface pore, goods wear no resistance in product; User generally reflects that surface is easy to scratch after using, and has affected the attractive in appearance of entirety.
Chinese patent once disclosed a kind of " the sheet-like formed material of acrylic acid series or bulk molding compound (BMC) and production thereof and the marmorean method of production acrylic synthetic and thickening material " (publication number CN1277573A, open day on December 20th, 2000), if be wherein 0.1-0.7 grams per milliliter by loose density, the oil number of Toenol 1140 is 60-200 milliliter/100 gram, methyl methacrylate turgidity is that 16 times or higher and specific surface area are that the polymer powder (C) of 2/ gram, 1-100 rice adds as thickening material, so can be by having used the polymer powder (C1) that does not contain any tensio-active agent, comprise active surfactant and improve its hot water resistance as the polymer powder (C2) of component, or by using the non-cross-linked polymer powder (C3) of substance average molecular weight 100000-2500000, the non-cross-linked polymer powder (C4) of weight-average molecular weight 2500000-5000000, the polymer powder (D) that crosslinked polymer powder (C5) and specific surface area 0.01-1 rice are 2/ gram is controlled thickening rate, its preparation method, a kind of marmorean method of acrylic artificial of producing, wherein uses kneading extruder (9) that each component is extruded into given shape, and a kind of thickening material.
Chinese patent once disclosed a kind of " unsaturated polyester resin " (publication number CN1296995A, open day May 30 calendar year 2001), comprise: a kind of copolymerisable monomer and a kind of unsaturated polyester, α in described unsaturated polyester, the ratio of β-alkene unsaturated dicarboxylic acid or its acid anhydrides accounts for 50 % by mole of all sour compositions or more, and described unsaturated polyester also comprises that the adducts of dihydroxyphenyl propane and propylene oxide and the adducts of dihydroxyphenyl propane and oxyethane serve as glycol component.The specific refractory power of wherein said unsaturated polyester resin is 1.540-1.570 at 25 ℃.This unsaturated polyester resin is suitable for producing the artificial marble moulded product with good transparency structure and excellent water resistance.
Chinese patent once disclosed a kind of " polyester molding compound of marbleize and preparation method thereof " (publication number CN1548471A, open day on November 24th, 2004), it is hydrated aluminum oxide, initiator, releasing agent, thickening material, vinylon fiber, viscosity-depression agent and alkali-free short glass fiber by unsaturated polyester, low shrinkage additive, grating, mixing forming according to a certain percentage.This polyester molding compound, had both had marblized porcelain appearance, not fragile again, can meet variation, the individual requirement of people to product.Can be used for making the insulated product on high and low pressure electrical equipment.
Chinese patent once disclosed a kind of " marbling polyester molding compound for medium-high voltage appliances and preparation method thereof " (publication number CN101643534A, open day on February 10th, 2010), it is in the agent structure of common marbling polyester molding compound, to adopt multiple size grading packing material, coordinate again with tencel material and other subsidiary material and be prepared from new process, in keeping original other premium properties of polyester molding compound, electrical insulation properties is greatly improved, more than its power frequency dielectric strength reaches 25kV/mm, more than resistance to electric arc reaches 200S, anti creepage trace index reaches 800V, it is the electrical equipment polyester molding compound that a kind of utmost point has application prospect.
Summary of the invention
The object of the present invention is to provide a kind of rapid shaping high-performance imitating natural marble series moulding compound DLS-BMC, it has higher lasting surface aesthetic, well surface abrasion resistance, good mechanical property and the fungus resistance in wet environment, easily machine-shaping, can arbitrarily paste combination.
For achieving the above object, the solution that the present invention takes is: a kind of rapid shaping high-performance imitating natural marble series moulding compound, by weight proportion, its material mixture ratio is as follows: isophthalic A level surface resin 18%～25%, HIPS polystyrene 4%～8%, PE micro mist 2%～4%, saturated polyester 1%～2%, styrene monomer 1%～4%, TBPB solidifying agent 0.15%～0.3%, BPIC-C75 solidifying agent 0.10%～0.2%, stopper 0.10%～0.3%, magnesium oxide 0.1%～0.3%, UV light absorber 0.3%～1%, fumed silica 0.1%～0.3%, filling aluminium hydrate 40%～45%, heavy calcium carbonate filling 10%～15%, 6mm glass fibre 10%～15%, 12mm glass fibre 5%～10%, colored mill base 0.1%～0.5%.
The product that the present invention makes has higher lasting surface aesthetic, well surface abrasion resistance, good mechanical property and the fungus resistance in wet environment, and easily machine-shaping, can arbitrarily paste combination.The goods natural marble that can match in excellence or beauty.
Embodiment
Embodiment 1: table 1 rapid shaping high-performance imitating natural marble series moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18～25 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4～8 |
| 3 | PE micro mist | Du Pont | 2～4 |
| 4 | Saturated polyester | DSM?H2073 | 1～2 |
| 5 | Styrene monomer | 99.9％ | 1～4 |
| 6 | Solidifying agent | TBPB | 0.15～0.3 |
| 7 | Solidifying agent | BPIC-C75 | 0.1～0.2 |
| 8 | Stopper | PBQ | 0.1～0.3 |
| 9 | Magnesium oxide | RA40# | 0.1～0.3 |
| 10 | UV light absorber | UV531 | 0.3～1 |
| 11 | Fumed silica | ? | 0.1～0.3 |
| 12 | Filling aluminium hydrate | 8μm | 40～45 |
| 13 | Heavy calcium carbonate filling | 5μm | 10～15 |
| 14 | Glass fibre | 6mm | 10～15 |
| 15 | Glass fibre | 12mm | 5～10 |
| 16 | Colored mill base (various color) | ? | 0.1～0.5 |
General common moulding compound is mainly made up of following material: body material UP resin, low-contour additive (HIPS, PE), styrene monomer (ST), solidifying agent (TBPB, BPO), filler (aluminium hydroxide, calcium carbonate etc.), glass fibre (E glass), thickening material (MgO) and other auxiliary agent.
In order to obtain the surface aesthetic of product, the isophthalic A level surface resin (P18) that the present invention selects DSM N. V. to produce.At present, general moulding compound is substantially take UP resin as main body material.There is the fundamental property that electric equipment products require, it is the main separation body material of producing SMC, BMC material, but do not possess planeness, the aesthetic property etc. of the product that surface requirements is high, there is the performance of minute surface luminosity and isophthalic A level surface resin (P18) can reach surface, can meet the product demand that user is high to appearance requirement.
Before low-contour additive, people adopt single HIPS series substantially, and this shrinking agent is simple and easy to system, and tinctorial property is good, but due to luminance brightness and contraction problem, only can be used for low-quality product.In order to obtain surperficial high glossiness, reduce ultraviolet erosion, the present invention has selected combined shrinking agent, comprising PE micro mist, HIPS, saturated polyester (H2681 of DSM N. V.), its feature has covered highly versatile, weather-proof good, and hardness and toughness are all given prominence to.This composite class shrinking agent can reach zero shrinkage of product, makes the surface of product more smooth beautiful.The PE micro mist of trace has the effect of efficient inhibition its surface compressed, can prevent surface detail tiny crack.Saturated polyester (H2681) has played crucial effect to the surperficial best bright finish of product, and the performance that it can reach zero contraction makes product can obtain excellent dimensional stability.Modified high impact resistant HIPS can meet increases the essential mechanical property of product.
The impact of several shrinking agents of table 2 on product properties:
From table 1, be used in combination with the shrinking agent of sequence number 1,2,3, can obtain surfacing, bright and clean goods.Through repetition test, prove that its performance all meets aforesaid Performance and quality index.
In order to solve in use Long Term Contact water quality (as kitchen guarding's series products) of some products, easily produce the problem of mould, the present invention has added solidifying agent.
General upper, moulding compound is all to adopt organo-peroxide TBPB or BPO to be cured substantially, but the superoxide of this kind can not be removed the remaining concentration of vinylbenzene in solidification process well, makes the surface of product occur that vinylbenzene overflows the water wave staying.Through test repeatedly, the present invention has adopted the peroxy isopropyl base carbonic acid tert-butyl ester Trijonox BPIC-C75 of Akzo Nobel N.V..Such superoxide has higher reactive behavior, can greatly reduce cinnamic remaining concentration in solidification process, makes the surface of goods reach desirable effect remarkable.
In the present invention, glass fibre adopts top quality alkali-free E glass in the world, adopts two kinds of model collocation of 6mm and 12mm to use, and effect is more satisfactory, can meet the mechanical property of product.
The food grade aluminium hydroxide that filler adopts China Aluminum Co., Ltd to produce, its size distribution is even, reliable in quality.
Thickening material is selected the M40 magnesium oxide of Dead Sea company of Israel, and thickening effectiveness is ideal.
Other kind of analog assistant all uses well, all do not need change to exchange.
The product of requirement according to to(for) aspects such as anti-aging and mould proof, incrustation scales, comprise the improvement of Surface Quality etc., in order further to improve the anti ageing property of product, the present invention has selected UV absorption agent, and for improve UV absorption agent result of use, and solve the problem that produces mould, incrustation scale in product use procedure, increased anti-rheological agent (aerosil), adding of this material of aerosil can also prevent that UV absorption agent from occurring the problems such as sedimentation in material produce process.
In production process, improve part of production, the key distinction is to live not progressively disposable reinforced production, and in order to produce marbling satisfactory for result, special production auxiliary means, decorative pattern mill base, in the time that material completes substantially, is added in material with special auxiliary means, and stirred a little.
The material that production completes, through mold pressing, the product of the depanning natural marble that can match in excellence or beauty completely.This production technique can be according to user's needs, produce the imitating natural marble material of shades of colour, decorative pattern.
Embodiment 2: imitative natural Dali moulding compound DLS-BMC proportioning (weight percent) table of table 3 rapid shaping high-performance.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 48.05 |
| 13 | Heavy calcium carbonate filling | 5μm | 10 |
| 14 | Glass fibre | 6mm | 10 |
| 15 | Glass fibre | 12mm | 5 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Embodiment 3: a table 4 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 40 |
| 13 | Heavy calcium carbonate filling | 5μm | 10.05 |
| 14 | Glass fibre | 6mm | 10 |
| 15 | Glass fibre | 12mm | 5 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Embodiment 4: a table 5 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18.1 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4 |
| 3 | PE micro mist | Du Pont | 4 |
| 4 | Saturated polyester | DSM?H2073 | 2 |
| 5 | Styrene monomer | 99.9％ | 4 |
| 6 | Solidifying agent | TBPB | 0.3 |
| 7 | Solidifying agent | BPIC-C75 | 0.2 |
| 8 | Stopper | PBQ | 0.3 |
| 9 | Magnesium oxide | RA40# | 0.3 |
| 10 | UV light absorber | UV531 | 1 |
| 11 | Fumed silica | ? | 0.3 |
| 12 | Filling aluminium hydrate | 8μm | 40 |
| 13 | Heavy calcium carbonate filling | 5μm | 10 |
| 14 | Glass fibre | 6mm | 10 |
| 15 | Glass fibre | 12mm | 5 |
| 16 | Colored mill base (various color) | ? | 0.5 |
Embodiment 5: a table 6 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 25 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 5.05 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 40 |
| 13 | Heavy calcium carbonate filling | 5μm | 10 |
| 14 | Glass fibre | 6mm | 10 |
| 15 | Glass fibre | 12mm | 5 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Embodiment 6: a table 7 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 8 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 40 |
| 13 | Heavy calcium carbonate filling | 5μm | 10 |
| 14 | Glass fibre | 6mm | 14.05 |
| 15 | Glass fibre | 12mm | 5 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Embodiment 7: a table 8 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 40 |
| 13 | Heavy calcium carbonate filling | 5μm | 13.05 |
| 14 | Glass fibre | 6mm | 15 |
| 15 | Glass fibre | 12mm | 5 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Embodiment 8: a table 9 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 40 |
| 13 | Heavy calcium carbonate filling | 5μm | 15 |
| 14 | Glass fibre | 6mm | 13.05 |
| 15 | Glass fibre | 12mm | 5 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Embodiment 9: a table 10 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 43.05 |
| 13 | Heavy calcium carbonate filling | 5μm | 10 |
| 14 | Glass fibre | 6mm | 10 |
| 15 | Glass fibre | 12mm | 10 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Embodiment 10: a table 11 rapid shaping high-performance imitating natural marble moulding compound DLS-BMC proportioning (weight percent) table.
| Sequence number | Title material | Specifications and models | Ratio % |
| 1 | Isophthalic A level surface resin | DSMP18 | 18 |
| 2 | HIPS polystyrene | Tao Shi 1300# | 4 |
| 3 | PE micro mist | Du Pont | 2 |
| 4 | Saturated polyester | DSM?H2073 | 1 |
| 5 | Styrene monomer | 99.9％ | 1 |
| 6 | Solidifying agent | TBPB | 0.15 |
| 7 | Solidifying agent | BPIC-C75 | 0.1 |
| 8 | Stopper | PBQ | 0.1 |
| 9 | Magnesium oxide | RA40# | 0.1 |
| 10 | UV light absorber | UV531 | 0.3 |
| 11 | Fumed silica | ? | 0.1 |
| 12 | Filling aluminium hydrate | 8μm | 45 |
| 13 | Heavy calcium carbonate filling | 5μm | 10 |
| 14 | Glass fibre | 6mm | 10 |
| 15 | Glass fibre | 12mm | 8.05 |
| 16 | Colored mill base (various color) | ? | 0.1 |
Claims (1)
1. a rapid shaping high-performance imitating natural marble series moulding compound, it is characterized in that: by weight proportion, its material mixture ratio is as follows: isophthalic A level surface resin 18%～25%, HIPS polystyrene 4%～8%, PE micro mist 2%～4%, saturated polyester 1%～2%, styrene monomer 1%～4%, TBPB solidifying agent 0.15%～0.3%, BPIC-C75 solidifying agent 0.10%～0.2%, stopper 0.10%～0.3%, magnesium oxide 0.1%～0.3%, UV light absorber 0.3%～1%, fumed silica 0.1%～0.3%, filling aluminium hydrate 40%～45%, heavy calcium carbonate filling 10%～15%, 6mm glass fibre 10%～15%, 12mm glass fibre 5%～10%, colored mill base 0.1%～0.5%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860716A (en) * | 2015-05-11 | 2015-08-26 | 齐春林 | Rock molecule structure recombination improvement method |
| CN112694731A (en) * | 2020-12-23 | 2021-04-23 | 浙江省乐清树脂厂 | Molding compound and preparation method thereof |
| CN114940811A (en) * | 2021-02-17 | 2022-08-26 | 伊顿智能动力有限公司 | Thermoplastic-based arc-resistant materials for electrical applications |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548471A (en) * | 2003-05-12 | 2004-11-24 | 赵敏海 | Molded polyester material with marble-like grain and its prepn |
| CN1673164A (en) * | 2004-03-24 | 2005-09-28 | 和田商事株式会社 | Method for producing artificial stone |
| CN102459373A (en) * | 2009-06-24 | 2012-05-16 | 昭和电工株式会社 | Unsaturated polyester resin composition and encapsulated motor |
| CN103570883A (en) * | 2012-07-19 | 2014-02-12 | 上海早杰复合材料科技有限公司 | Unsaturated polyester molding compound |
-
2014
- 2014-02-13 CN CN201410052983.3A patent/CN103788314A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548471A (en) * | 2003-05-12 | 2004-11-24 | 赵敏海 | Molded polyester material with marble-like grain and its prepn |
| CN1673164A (en) * | 2004-03-24 | 2005-09-28 | 和田商事株式会社 | Method for producing artificial stone |
| CN102459373A (en) * | 2009-06-24 | 2012-05-16 | 昭和电工株式会社 | Unsaturated polyester resin composition and encapsulated motor |
| CN103570883A (en) * | 2012-07-19 | 2014-02-12 | 上海早杰复合材料科技有限公司 | Unsaturated polyester molding compound |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860716A (en) * | 2015-05-11 | 2015-08-26 | 齐春林 | Rock molecule structure recombination improvement method |
| CN112694731A (en) * | 2020-12-23 | 2021-04-23 | 浙江省乐清树脂厂 | Molding compound and preparation method thereof |
| CN114940811A (en) * | 2021-02-17 | 2022-08-26 | 伊顿智能动力有限公司 | Thermoplastic-based arc-resistant materials for electrical applications |
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Application publication date: 20140514 |