CN101781870B - High-strength insulation vulcanized fiber board and manufacture process thereof - Google Patents
High-strength insulation vulcanized fiber board and manufacture process thereof Download PDFInfo
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- CN101781870B CN101781870B CN2010101071487A CN201010107148A CN101781870B CN 101781870 B CN101781870 B CN 101781870B CN 2010101071487 A CN2010101071487 A CN 2010101071487A CN 201010107148 A CN201010107148 A CN 201010107148A CN 101781870 B CN101781870 B CN 101781870B
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Abstract
The invention relates to a high-strength insulation vulcanized fiber board and a manufacture process thereof, which is mainly manufactured from plant fibers based on the paper making technology, adopts multiple special chemical assistants of adhesive, wet strength agent, strengthening agent, water-resisting agent, brightener, defoamer, dispersant and the like, and endues the paper board with favorable machinability (such as pressure resistance, erosion resistance, cut-through resistance, carving resistance, no delamination when being pressed, no burst and the like) and multiple special functions of electrical insulation performance, moisture resistance, water resistance and the like. The invention adopts the production process technology of one-step molding, vacuum dewatering and high-temperature hot-press drying. Compared with the production process mode of the domestic product of the same type, the invention has the advantages of lower production cost, less equipment investment, simple process, easy implementation, convenient operation and low energy consumption, and can realize the cleaner production.
Description
Technical field
The present invention relates to high-strength insulation vulcanized fiber board, the invention still further relates to the manufacture method of this kind high-strength insulation vulcanized fiber board.
Background technology
Because production, the trade of China are progressively internationalized, the people's living standard improved constantly, and pursue quality of life more, so environmental consciousness improved day by day in recent years.The Chinese government emphasizes that enterprise must be placed on critical role to environmental protection and resource regeneration and exploitation in the economic pursuit benefit.The call of " people-oriented, builds a harmonious society " has particularly been proposed in recent years, any industry no matter, every enterprise that people's life and property are worked the mischief all will close.Paper base material plays more and more important effect in daily life because of it has renewable, environmentally safe, easily reclaims, easy characteristics such as processing, and its Application Areas is constantly being widened.The high-strength insulation vulcanized fiber board car is indispensable a kind of insulating materials in economic construction, it is a kind of good unique construction multifunctional material, it is widely used as pad everywhere, the lighting apparatus part of traffic direct current power machinery rotor and stator, various dividing plates every electric pad, loudspeaker wiring frame and stereo set such as relay, oil circuit breaker, television set, computer, motor, electric fan etc. and as liner, various valve, the compressor liner of steam turbine, motor, pressure duct (400 atmospheric pressure).
China is the big country of complete machines such as electronics, electrical equipment, small household appliances, sound equipment, electric tool, automobile making and accessories manufacturing and outlet.Annual big especially to the demand of high-strength insulation vulcanized fiber board car.High-strength insulation vulcanized fiber board is that a kind of electronic component that is used for electronics, electric equipment products is isolated cardboard.It is main raw material with the string, based on paper technology, select multiple special chemical assistants such as adhesive, wet strength agent, stiff dose, water repellent agent, brightening agent, defoamer and dispersant for use, give cardboard favorable mechanical processing characteristics (withstand voltage, dash, cut, quarter, pressurized be not stratified, and multiple special functions such as electrical insulation properties and protection against the tide, water resistance not explosion etc.).It adopts one-shot forming, vacuum dehydration, the production Technology of high temperature hot-pressing drying simultaneously.Compare with the production technology mode of domestic product of the same type, have that production cost is lower, equipment investment is few, technology simply, easily start, easy to operate, advantage of low energy consumption, and can realize cleaner production.Our industrial water power consumption is half of existing conventional vulcanized fiber board production technology approximately.
Summary of the invention
The objective of the invention is, improve,, select special chemical assistant for use, give cardboard multiple special function, and form with the prepared of High Temperature High Pressure based on paper technology at our deficiency of existing insulation vulcanized fiber board technology of producing.Thereby replace fast crust paper, blue or green naked paper, fire proofings such as mica sheet are as the insulation punch forming part of industries such as electronics, electrical equipment and electroacoustic apparatus.
Technical solution of the present invention is to be made by following main materials and weight ratio:
The content percentage sum of above each component equals 100%.
Its manufacture method is following steps:
A) string is carried out the fibration making beating with beating equipment and handle, the beating degree of string is beaten to 30～60 ° of SR, and laggard row filter is handled in making beating, the purification back adds filler and brightening agent fully mixes;
B) polyvinyl alcohol and melamine carboxylic formaldehyde resin being prepared into concentration respectively is 5% solution, evenly is mixed with into stiff dose, diluted for use by 1: 1 proportioning then;
C) batching adds wet strength agent, adhesive, dry strength agent, stiff dose, dispersant, water repellent agent, component of antifoam agent and water in joining stock tank respectively by described proportioning and order, mix;
D) will be equipped with good slurry with the one-shot forming of page wet process equipment, and carry out the high temperature hot-pressing drying through press dewatering, hot pressing drying plant, baking temperature is 95～120 ℃;
E) ornamenting, check get product.
It is characterized in that string is the composition of one or more materials of bleaching or unbleached wood pulp fibre, ramie pulp fiber, secondary stock or straw pulp fiber.
It is characterized in that adhesive is a cinnamic acrylic ester family macromolecule polymer emulsion.
It is characterized in that wet strength agent is polyamide one an epoxy polyamine chloropropane resin.
It is characterized in that dry strength agent is a kind of in cationic polyacrylamide, anionic polyacrylamide and the amphion polyacrylamide.
It is characterized in that stiff dose is polyvinyl alcohol and 1: 1 mixture of melamine carboxylic formaldehyde resin.
It is characterized in that dispersant is a kind of in sodium carboxymethylcellulose, the polyethylene glycol oxide.
It is characterized in that filler is the composition of one or more materials in talcum powder, soda lime, the china clay.
It is characterized in that water repellent agent is the composition of one or more materials in rosin milk, wax emulsion, the polyamide polyureas.
It is characterized in that defoamer is a kind of in organosilicon macromolecule class and the polyethers defoamer.
The invention has the advantages that:
1. raw material components of the present invention is simple, and main raw material wide material sources, cheap, nontoxic, goods are easy to degraded and meet the environmental protection instructions for use;
2. production technology of the present invention is compared with traditional red steel paper production Technology, and it is few to have an equipment investment, and technology is simple, is easy to start, and easily grasps, and easy to operate, energy consumption is low, and the water power consumption is few, and production cost is low, and can realize cleaner production;
3. compare with original insulation vulcanized fiber board, have higher intensity and stiff degree.
The specific embodiment
In conjunction with the embodiments the present invention is described in further details:
Example one:
1. the bleached wood pulp fiber is carried out the fibration making beating with beating equipment and handle, the beating degree of wood pulp fibre is beaten to 45 ° of SR;
2. in machine chest, add the above-mentioned bleached wood pulp fiber of accomplishing fluently (concentration 5%) 4000kg, filler 20kg, brightening agent (powdery) 1.5kg fully mixes;
3. polyvinyl alcohol and melamine carboxylic formaldehyde resin are prepared into concentration respectively and are 5% solution, evenly be mixed with into stiff dose by 1: 1 proportioning then, it is standby to be diluted to 1% concentration;
4. extracting the above-mentioned slurry 1000kg that mixes in the machine chest goes into to join in the stock tank, add wet strength agent (concentration 12.5%) 1.5kg, adhesive (concentration 50%) 5kg, dry strength agent (concentration 15%) 6kg, stiff dose of (concentration 1%) 200kg, dispersant (concentration 0.1%) 10kg, water repellent agent (concentration 1%) 25kg, defoamer (concentration 0.5%) 5kg component in order successively, mix;
5. will be equipped with good slurry and take by weighing the slurry a certain amount of, that outfit is good by the page thickness requirement with the one-shot forming of page wet process equipment, and carry out the high temperature hot-pressing drying through press dewatering, hot pressing drying plant, baking temperature is 95～120 ℃;
6. ornamenting, check get product;
Example two:
1. the bleached wood pulp fiber is carried out the fibration making beating with beating equipment and handle, the beating degree of wood pulp fibre is beaten to 35 ° of SR; The white wastepaper carries out fibration making beating processing with, beating equipment, and the beating degree of secondary stock is beaten to 55 ° of SR
2. in machine chest, add the above-mentioned wood pulp fibre of accomplishing fluently (concentration 5%) 3000kg, secondary stock (concentration 5%) 1000kg, filler 10kg, brightening agent (powdery) 1kg fully mixes;
3. polyvinyl alcohol and melamine carboxylic formaldehyde resin are prepared into concentration respectively and are 5% solution, evenly be mixed with into stiff dose by 1: 1 proportioning then, it is standby to be diluted to 1% concentration;
4. extracting the above-mentioned slurry 1000kg that mixes in the machine chest goes into to join in the stock tank, add wet strength agent (concentration 12.5%) 1.5kg, adhesive (concentration 50%) 7kg, dry strength agent (concentration 15%) 7kg in order successively, stiff dose of (concentration 1%) 200kg,, dispersant (concentration 0.1%) 10kg, water repellent agent (concentration 1%) 25kg, defoamer (concentration 0.5%) 5kg component, mix;
5. will be equipped with good slurry takes by weighing a certain amount of by the page thickness requirement, to be equipped with the page wet process equipment one-shot forming of good slurry with the page wet process equipment, carry out the high temperature hot-pressing drying through press dewatering, hot pressing drying plant, baking temperature is 95～120 ℃;
6. ornamenting, check get product.
Example three:
1. the bleached wood pulp fiber is carried out the fibration making beating with beating equipment and handle, the beating degree of wood pulp fibre is beaten to 35 ° of SR; The bleaching ramie pulp fiber carries out the fibration making beating with beating equipment to be handled, and the beating degree of ramie pulp fiber is beaten to 30 ° of SR, and white wastepaper carries out the fibration making beating with beating equipment to be handled, and the beating degree of secondary stock is beaten to 55 ° of SR;
2. in machine chest, add the above-mentioned wood pulp fibre of accomplishing fluently (concentration 5%) 2500kg, ramie pulp fiber (concentration 5%) 500kg, secondary stock (concentration 5%) 1000kg, filler 10kg, brightening agent (powdery) 1.5kg fully mixes;
3. polyvinyl alcohol and melamine carboxylic formaldehyde resin are prepared into concentration respectively and are 5% solution, evenly be mixed with into stiff dose by 1: 1 proportioning then, it is standby to be diluted to 1% concentration;
4. extracting the above-mentioned slurry 1000kg that mixes in the machine chest goes into to join in the stock tank, add wet strength agent (concentration 12.5%) 1.5kg, adhesive (concentration 50%) 5kg, dry strength agent (concentration 15%) 5kg, stiff dose of (concentration 1%) 200kg, dispersant (concentration 0.1%) 10kg, water repellent agent (concentration 1%) 25kg, defoamer (concentration 0.5%) 5kg component in order successively, mix;
5. will be equipped with good slurry and take by weighing a certain amount ofly by the page thickness requirement, and with the one-shot forming of page wet process equipment, carry out the high temperature hot-pressing drying through press dewatering, hot pressing drying plant, baking temperature is 95～120 ℃;
6. ornamenting, check get product.
Claims (10)
1. high-strength insulation vulcanized fiber board, it is to be made by following main materials and weight ratio and manufacture method:
The content percentage sum of above each component equals 100%.
Its manufacture method is following steps:
A) string is carried out the fibration making beating with beating equipment and handle, the beating degree of string is beaten to 30～60 ° of SR, and laggard row filter is handled in making beating, the purification back adds filler and brightening agent fully mixes;
B) polyvinyl alcohol and melamine carboxylic formaldehyde resin being prepared into concentration respectively is 5% solution, evenly is mixed with into stiff dose, diluted for use by 1: 1 proportioning then;
C) batching adds wet strength agent, adhesive, dry strength agent, stiff dose, dispersant, water repellent agent, component of antifoam agent and water in joining stock tank respectively by described proportioning and order, mix;
D) will be equipped with good slurry with the one-shot forming of page wet process equipment, and carry out the high temperature hot-pressing drying through press dewatering, hot pressing drying plant, baking temperature is 95～120 ℃;
E) ornamenting, check get product.
2. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, string is the composition of one or more materials of bleaching or unbleached wood pulp fibre, ramie pulp fiber, secondary stock or straw pulp fiber.
3. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, adhesive is a cinnamic acrylic ester family macromolecule polymer emulsion.
4. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, wet strength agent is polyamide-epoxy polyamine chloropropane resin.
5. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, dry strength agent is a kind of in cationic polyacrylamide, anionic polyacrylamide and the amphion polyacrylamide.
6. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, stiff dose is polyvinyl alcohol and 1: 1 mixture of melamine carboxylic formaldehyde resin.
7. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, dispersant is a kind of in sodium carboxymethylcellulose, the polyethylene glycol oxide.
8. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, filler is the composition of one or more materials in talcum powder, soda lime, the china clay.
9. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, water repellent agent is the composition of one or more materials in rosin milk, wax emulsion, the polyamide polyureas.
10. high-strength insulation vulcanized fiber board according to claim 1 is characterized in that, defoamer is a kind of in organosilicon macromolecule class and the polyethers defoamer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101071487A CN101781870B (en) | 2010-02-04 | 2010-02-04 | High-strength insulation vulcanized fiber board and manufacture process thereof |
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| CN2010101071487A CN101781870B (en) | 2010-02-04 | 2010-02-04 | High-strength insulation vulcanized fiber board and manufacture process thereof |
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| CN101781870A CN101781870A (en) | 2010-07-21 |
| CN101781870B true CN101781870B (en) | 2011-09-28 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103088697B (en) * | 2012-04-13 | 2017-06-13 | 广东省造纸研究所 | A kind of colorful flame-retardant type insulation vulcanized fiber board and its manufacturing process |
| CN103088703A (en) * | 2012-04-13 | 2013-05-08 | 广东省造纸研究所 | Colored insulation vulcanized fiber board and manufacturing technique thereof |
| CN103088702A (en) * | 2012-04-13 | 2013-05-08 | 广东省造纸研究所 | Colored high-strength insulation vulcanized fiber board and manufacturing technique thereof |
| CN103103892B (en) * | 2012-12-27 | 2015-05-13 | 山东轻工业学院 | Preparation method of nanometer titanium dioxide (TiO2) sound absorption paper board |
| US20160351291A1 (en) * | 2014-01-27 | 2016-12-01 | 3M Innovative Properties Company | Electrically insulating material and conductor wrap for electrical equipment, such as transformers |
| US20160343465A1 (en) * | 2014-01-27 | 2016-11-24 | 3M Innovative Properties Company | Electrical insulation material and transformer |
| CN105821702B (en) * | 2016-03-30 | 2019-03-29 | 山东源根化学技术研发有限公司 | A kind of boxboard highly efficient intensifying agent and preparation method thereof |
| CN105908578A (en) * | 2016-05-03 | 2016-08-31 | 东莞当纳利印刷有限公司 | Production method of paper pulp molded product |
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| CN1071982A (en) * | 1992-12-03 | 1993-05-12 | 泰州市纸绝缘材料研究所 | Process for producing bast fiber pulp by oxygen-alkali method for electric insulation paper |
| US20050031842A1 (en) * | 2003-08-07 | 2005-02-10 | John Felegi | Fiberboard panel having improved acoustics and durability |
| CN1936182A (en) * | 2006-10-19 | 2007-03-28 | 樊运民 | Preparation method of stainless steel lining paper |
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|---|---|---|---|---|
| CN1071982A (en) * | 1992-12-03 | 1993-05-12 | 泰州市纸绝缘材料研究所 | Process for producing bast fiber pulp by oxygen-alkali method for electric insulation paper |
| US20050031842A1 (en) * | 2003-08-07 | 2005-02-10 | John Felegi | Fiberboard panel having improved acoustics and durability |
| CN1936182A (en) * | 2006-10-19 | 2007-03-28 | 樊运民 | Preparation method of stainless steel lining paper |
Non-Patent Citations (3)
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| JP特开2001-181951A 2001.07.03 |
| 周辑 等.电绝缘纸板的清洁生产.《造纸科学与技术》.2004,第23卷(第2期),62-63. * |
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Address after: 510300 No. 154 West Xingang Road, Guangzhou, Guangdong, Haizhuqu District Patentee after: Guangdong Paper Research Institute Co.,Ltd. Address before: 510300 No. 154 West Xingang Road, Guangzhou, Guangdong, Haizhuqu District Patentee before: GUANGDONG PAPER INDUSTRIAL Research Institute |
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