CN1424868A - Method for producing basalt fiber reinforced copper coated boards - Google Patents
Method for producing basalt fiber reinforced copper coated boards Download PDFInfo
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- CN1424868A CN1424868A CN 01130581 CN01130581A CN1424868A CN 1424868 A CN1424868 A CN 1424868A CN 01130581 CN01130581 CN 01130581 CN 01130581 A CN01130581 A CN 01130581A CN 1424868 A CN1424868 A CN 1424868A
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- copper
- basalt fibre
- reinforcing material
- copper foil
- glue
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Abstract
A copper foil covered laminated board reinforced by basalt fibres is prepared from basalt fibre cloth or felt, modified phenolic or epoxy resin, copper foil and its adhesive, solidifying agent and promoter thruogh dipping in resin, laminating, spreading die, pressing and shearing. Its advantages are high resistivity, high bending strength and elestic modules, low expansibility, high resistance to high temp and low cost.
Description
Technical field
The present invention relates to make as reinforcing material the method for copper clad laminate with basalt fibre.
Background technology
Electronics industry is the pillar industry of Chinese national economy, and copper clad laminate (hereinafter to be referred as copper-clad plate) is the proprietary material of electronics industry, and electronic-grade glass is the important foundation material of copper-clad plate at present.The main employing of China's copper-clad plate industry epoxy glass fiber cloth etc. is made copper-clad plate as fabricbase, and epoxy glass fiber cloth is the alkali-free glass fiber cloth base; Glass fibre mat is a kind of glass fibre nonwoven articles, is commonly called as all-glass paper, and it is the primary raw material of CEM-3 type copper-clad plate.Electronic-grade glass series of products (cloth, yarn, paper) has only with advanced tank furnace method and produces, and just can reach the requirement of international quality standards.The processing of glass fibre tank furnace wire drawing and goods thereof is that investment is big, the fund-intensive and the technology-intensive industries of technical sophistication, and input and output are lower, the payback period longer.
The basalt fibre that draws out through fusing with basalt, has the nearly all advantage performance of glass fibre, its alkali resistance, acid resistance, thermal stability, tensile strength and mechanical property are all above glass fibre, and in addition, it also has the characteristics of modulus of elasticity height, good insulation preformance.Except that properties of product, the advantage of basalt fibre is that also its raw material wide material sources, resource are unlimited, and production cost is low.Make copper-clad plate with basalt fibre as reinforcing material, can enhance product performance, reduce its price.
Summary of the invention
The purpose of this invention is to provide a kind of method of making copper-clad plate with basalt fibre as reinforcing material.
Technical scheme of the present invention is to adopt technology laminated into type to make copper-clad plate.
Raw material: adopt surface treated basalt fibre plain or basalt fibre mat as reinforcing material; Resin adopts phenol-formaldehyde resin modified, epoxy resin etc.Curing agent and promoter are adopted dicyandiamide, diamino-diphenyl sulfone, benzyl dimethylamine, and 2-ethyl-4-methylimidazole, glyoxal ethyline etc., solvent have dimethyl formamide, dimethylacetylamide, EGME, acetone etc.Raw material comprise that also Copper Foil and polyvinyl butyral resin, nitrile rubber resin modified phenol resin are as Copper Foil glue.
Production equipment mainly comprises: glue system-reaction pot, condenser, vacuum pump etc.; Adhesive plaster making-cement dipping machine; Laminated into type-the hot pressing unit; Side cut packing-plate shearing machine etc.
Its technical process is impregnation, superimposed, shop mould, five operations such as suppresses, cuts out.
(1) impregnation adopts twice cement-dipping method impregnation on cement dipping machine, adopts anti-squeezing roller or gelatin jet method for the first time, is dipping for the second time.The cement dipping machine baking oven divides four warm area control temperature.
(2) superimposed in the clean room, finish superimposed.According to the copper-clad plate design thickness, the apolegamy adhesive plaster number of plies also misplaces stacked.Press Copper Foil-adhesive plaster-Copper Foil (double face copper) again or Copper Foil-adhesive plaster-film (single-side coated copper plate) is superimposed.
(3) the shop mould uses shop mould collator to finish in the clean room.
(4) the neutralizing layer pressing plate contains 18 layers or 20 layers approximately.To spread the appropriate material of mould with charging crane and send into laminating machine intensification pressurization compacting.Cooling and demolding then.
(5) cut out with plate shearing machine and cut out by designing requirement.
Make the beneficial effect of copper-clad plate as reinforcing material with basalt fibre:
A large amount of use copper-clad plates in the hyundai electronics industry, its substrate require: the insulation resistance height; Dielectric constant and dielectric loss angle tangent are low; The enough bending strengths and the modulus of elasticity in static bending are arranged; Water absorption is little; Good heat resistance; Thermal coefficient of expansion is little; Difficult combustion; Price is low.According to above-mentioned several conditions, as making the reinforcing material that copper-clad plate is used, with basalt fibre with compare the superiority of basalt fibre as can be seen with glass fibre.
The specific volume resistivity of basalt fibre (ohm.m) is 1 * 1012., and the specific volume resistivity of glass fibre (ohm.m) is 1 * 1011.;
Modulus of elasticity (the kg/mm of basalt fibre
2) 9,100～11,000, the modulus of elasticity peak of glass fibre is 7,200;
The water absorption of basalt fibre and dielectric constant, dielectric loss angle tangent and glass fibre are close;
The temperature limit of basalt fibre-260～700 ℃, the temperature limit of glass fibre-60～460 ℃, the thermal endurance of basalt fibre is better;
The thermal conductivity coefficient of basalt fibre is littler than the thermal conductivity coefficient of glass fibre, and thermal coefficient of expansion is also little;
The difficult combustion of basalt fibre, 1050 ℃ of its sintering temperatures, 600 ℃ of the sintering temperatures of glass fibre;
Basalt fibre is lower than the cost of raw material of glass fibre, and its goods price is also competitive.
From above analysis, basalt fibre has remarkable advantages in this field of making copper-clad plate.
Embodiment
Make the specific embodiment of copper-clad plate as reinforcing material with basalt fibre.
At first carry out binder making.With dicyandiamide, dimethyl formamide ratio wiring solution-forming, be made into binding agent by design proportion with brominated epoxy resin and dicyandiamide solution etc. in 3.25: 15.The binding agent gel time is controlled at 180～200s/170 ℃; The relative density of glue is 1.05～1.1.
Fiber cloth adopts anti-squeezing roller or gelatin jet method earlier on cement dipping machine, it is even that glue is permeated towards another side from one of fiber cloth, the gas in the delivery space; Flood then, and, make it even by a pair of squeezing roller control, adjusting glue amount.The cement dipping machine baking oven divides up, descending each two warm area segmentation control temperature.Adhesive plaster goes out rolling or cut-parts behind the incubator.During impregnation, fiber cloth gel content about 44%, soluble resin content about 70%, fluidity 22%～27%.
In the clean room, finish superimposed.According to the copper-clad plate design thickness, the apolegamy adhesive plaster number of plies also misplaces stacked.Press Copper Foil-adhesive plaster-Copper Foil (double face copper) again or Copper Foil-adhesive plaster-film (single-side coated copper plate) is superimposed.
In the clean room, use shop mould collator to finish the shop mould.
After the shop mould is finished, will spread the appropriate material of mould with charging crane and send into laminating machine intensification pressurization compacting.Laminated sheet contains 18 layers or 20 layers approximately.120～130 ℃ of the temperature of laminating machine template, precompression 3～5mpa, squeeze time 15～25min, adhesive plaster gel.Be warming up to 170～175 ℃ within the 10min, boost to 7～8mpa, insulation 75～90min is cooled to 50 ℃ with bottom knockout.Or vacuum pressing, vacuum degree to 91.2 during compacting～96.3/kpa.
Cut out with plate shearing machine by design specification then, finish making.
Claims (5)
1, makes the method for copper clad laminate as reinforcing material with basalt fibre.This method adopts technology laminated into type.It is characterized in that raw material adopt surface treated basalt fiber cloth or basalt fibre mat as reinforcing material; Resin adopts phenol-formaldehyde resin modified, epoxy resin etc.; Raw material also comprise Copper Foil, Copper Foil glue.Auxiliary material comprise curing agent and promoter etc.Production equipment mainly comprises glue systems such as reaction pot, condenser, vacuum pump, cement dipping machine, the hot pressing unit of using laminated into type, plate shearing machine etc.Its technical process is impregnation, superimposed, shop mould, five operations such as suppresses, cuts out.
2, the method for making copper clad laminate with basalt fibre as reinforcing material according to claim 1, it is characterized in that being made into binding agent with brominated epoxy resin and dicyandiamide solution etc. by design proportion with dicyandiamide, dimethyl formamide ratio wiring solution-forming in 3.25: 15.The binding agent gel time is controlled at 180～200s/170 ℃; The relative density of glue is 1.05～1.1.
3, the method for making copper clad laminate with basalt fibre as reinforcing material according to claim 1, it is characterized in that fiber cloth adopts anti-squeezing roller or gelatin jet method earlier on cement dipping machine, it is even that glue is permeated towards another side from one of fiber cloth, the gas in the delivery space; Flood then, and, make it even by a pair of squeezing roller control, adjusting glue amount.The cement dipping machine baking oven divides up, descending each two warm area segmentation control temperature.During impregnation, fiber cloth gel content about 44%, soluble resin content about 70%, fluidity 22%～27%.
4, according to claim 1 with the method for basalt fibre as reinforcing material manufacturing copper clad laminate, it is characterized in that in the clean room, finishing superimposed.According to the copper-clad plate design thickness, the apolegamy adhesive plaster number of plies also misplaces stacked.Press Copper Foil-adhesive plaster-Copper Foil (double face copper) again or Copper Foil-adhesive plaster-film (single-side coated copper plate) is superimposed.
5, according to claim 1 with the method for basalt fibre as reinforcing material manufacturing copper clad laminate, it is characterized in that laminated sheet contains 18 layers or 20 layers approximately.120～130 ℃ of the temperature of laminating machine template, precompression 3～5mpa, squeeze time 15～25min.Be warming up to 170～175 ℃ within the 10min, boost to 7～8mpa, insulation 75～90min is cooled to 50 ℃ with bottom knockout.Or vacuum pressing, vacuum degree to 91.2 during compacting～96.3/kpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01130581 CN1424868A (en) | 2001-12-08 | 2001-12-08 | Method for producing basalt fiber reinforced copper coated boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01130581 CN1424868A (en) | 2001-12-08 | 2001-12-08 | Method for producing basalt fiber reinforced copper coated boards |
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| Publication Number | Publication Date |
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| CN1424868A true CN1424868A (en) | 2003-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01130581 Pending CN1424868A (en) | 2001-12-08 | 2001-12-08 | Method for producing basalt fiber reinforced copper coated boards |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100593720C (en) * | 2005-10-26 | 2010-03-10 | 宁波华远电子科技有限公司 | Measuring method and compensating method for expansion-contract coefficient in winding copper coated plate manufacturing process |
| US7887654B2 (en) | 2003-11-13 | 2011-02-15 | Unternehmen Für Spezialfasern Sakrowski e.K. | Biocide-free anti-fouling coating containing a fabric based on basalt fibers |
| CN102286191A (en) * | 2011-05-04 | 2011-12-21 | 扬州润友复合材料有限公司 | High-temperature-resistant insulating composite material sheet and preparation method thereof |
| CN102310616A (en) * | 2011-08-05 | 2012-01-11 | 金安国纪科技（珠海）有限公司 | Weight and pressure reducing compacting method of copper-clad plate |
| CN109378143A (en) * | 2018-11-12 | 2019-02-22 | 四川自胜机电设备有限责任公司 | A kind of motor basalt fiber cloth major insulation band and preparation method thereof |
| CN111825955A (en) * | 2020-07-23 | 2020-10-27 | 海南大学 | High-frequency prepreg, preparation method thereof, copper-clad plate and preparation method thereof |
| CN112026326A (en) * | 2020-09-02 | 2020-12-04 | 贵州玄武岩新材料工程技术开发有限公司 | Method for manufacturing copper-clad laminate by using basalt fiber as reinforcing material |
-
2001
- 2001-12-08 CN CN 01130581 patent/CN1424868A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7887654B2 (en) | 2003-11-13 | 2011-02-15 | Unternehmen Für Spezialfasern Sakrowski e.K. | Biocide-free anti-fouling coating containing a fabric based on basalt fibers |
| CN100593720C (en) * | 2005-10-26 | 2010-03-10 | 宁波华远电子科技有限公司 | Measuring method and compensating method for expansion-contract coefficient in winding copper coated plate manufacturing process |
| CN102286191A (en) * | 2011-05-04 | 2011-12-21 | 扬州润友复合材料有限公司 | High-temperature-resistant insulating composite material sheet and preparation method thereof |
| CN102286191B (en) * | 2011-05-04 | 2013-06-12 | 扬州润友复合材料有限公司 | High-temperature-resistant insulating composite material sheet and preparation method thereof |
| CN102310616A (en) * | 2011-08-05 | 2012-01-11 | 金安国纪科技（珠海）有限公司 | Weight and pressure reducing compacting method of copper-clad plate |
| CN102310616B (en) * | 2011-08-05 | 2014-03-12 | 金安国纪科技（珠海）有限公司 | Weight and pressure reducing compacting method of copper-clad plate |
| CN109378143A (en) * | 2018-11-12 | 2019-02-22 | 四川自胜机电设备有限责任公司 | A kind of motor basalt fiber cloth major insulation band and preparation method thereof |
| CN111825955A (en) * | 2020-07-23 | 2020-10-27 | 海南大学 | High-frequency prepreg, preparation method thereof, copper-clad plate and preparation method thereof |
| CN111825955B (en) * | 2020-07-23 | 2023-07-21 | 海南大学 | Prepreg for high frequency, preparation method thereof and copper-clad plate and preparation method thereof |
| CN112026326A (en) * | 2020-09-02 | 2020-12-04 | 贵州玄武岩新材料工程技术开发有限公司 | Method for manufacturing copper-clad laminate by using basalt fiber as reinforcing material |
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