CN103129057A - Electric conduction board and manufacture method thereof - Google Patents
Electric conduction board and manufacture method thereof Download PDFInfo
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- CN103129057A CN103129057A CN2011103817716A CN201110381771A CN103129057A CN 103129057 A CN103129057 A CN 103129057A CN 2011103817716 A CN2011103817716 A CN 2011103817716A CN 201110381771 A CN201110381771 A CN 201110381771A CN 103129057 A CN103129057 A CN 103129057A
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Abstract
The invention discloses an electric conduction board and a manufacture method of the electric conduction board. Body paper after being steeped into melamino-formaldehyde resin undergoes primary drying, and impregnated paper is manufactured. The melamino-formaldehyde resin containing nanoscale conductive carbon black is coated on the surface of the impregnated paper, and secondary drying is performed so as to obtain electric conduction paper. The electric conduction paper and the impregnated paper are respectively pressed on different side surfaces of a flat board main body in a sticking mode, and the electric conduction board is manufactured. The surface of the manufactured electric conduction board is free of the defect of hickie, and blackness is even. Resistance value of the surface is in a range of 1 to 5 megohm. The electric conduction board and the manufacture method of the electric conduction board can be used in a microcomputer console cabinet, a switching room and areas prone to generate friction and release static naturally such as a running machine room.
Description
Technical field
The present invention relates to a kind of decorations wood-based plate, particularly a kind of at conductive plate that produces the static electric field release electrostatic and preparation method thereof.
Background technology
Static is a kind of objective natural phenomena, has the characteristics such as high voltage, low electric weight, little electric current and action time is short.The mode of generation of static electricity is various, all can produce static as contact, friction etc., especially in the microcomputer control room, the zone such as switchgear house and running unit room, buildup of static electricity is particularly remarkable.For preventing that the caused physical electrical shock fire protection of accumulation of static electricity, fire, blast and electronic device lost efficacy and damaged, need to take the effective precautionary measures to the harmful effect of its generation, as suppressing the generation of static, accelerate the leakage of static, carry out in static and etc.
The existing multiple antistatic floor that dustproof, antistatic, built on stilts occasion are arranged for computer room, light current machine room, clean room etc. in the market, its ground connection or be connected to anyly during than electronegative potential point can make the interior charge dissipation of static electric field.As the PVC antistatic floor, it is take polyvinyl chloride resin as base material, and the surface scribbles the conductive carbon black of stable performance, and conductive network has the permanently antistatic function from the straight-through lower surface of upper surface, good decorating effect, and installation rate is fast, and antistatic performance is comparatively stable.Yet it as base material, is easy to agingly with the PCV plastics, and stain resistance almost and needs the installer of specialty to install, otherwise arch camber foaming phenomenon easily occurs.
Anti-quiet flexible lamp floor is comprised of base material (as base steel, aluminium base, composite base, particieboard base etc.) and surface lining (as static-electricity proof tile, melamine, PVC etc.) usually.Common as anti-static ceramic-metal composite movable floor, adopt static-electricity proof tile to process as surface layer, compound all-steel floor or cement-bonded wood chipboard, surrounding conductive adhesive tape edge sealing, have the advantages such as antistatic performance is stable, high abrasion, high life, high-mechanic, good decorating effect, yet its weight is larger, and the load-bearing of static electric field is had certain influence.The full-steel, antistatic movable floor adopts the melamine HPL PLASTIC LAMINATED of high abrasion or PVC as surface layer, the box hat form substrate, and its construction, installation, replacing are convenient, however its life-span is short, and easily the peeling rake angle, need periodic replacement.
Publication number is that the Chinese invention patent of CN 101402270A discloses a kind of antistatic nano-composite board and preparation method, at first preparation contains the antistatic coloring agent liquid of epoxy resin, conductive carbon powder, high-temperature nano synthetic filling, acetone and coloring agent, then glue is evenly spread upon on the original layers that cuts, roasted 1 hour for 80-120 ℃, obtain the antistatic nano plate, the stack preparation is pressed into antistatic nano-composite board, can be used for surface mount, yet its original layers is laminated structure, need to smear repeatedly stack preparation compacting afterwards, complex process.
Summary of the invention
Primary and foremost purpose of the present invention is to provide a kind of technique simple for the problem that above-mentioned prior art exists, easy for installation, life-span is long, need not often to change can be used in microcomputer control room, switchgear house and by running unit room etc. some by the conductive plate in the zone of friction or Spontaneous release static and preparation method thereof, the conductive plate surface of the present invention's preparation is without white spot defect, blackness is even, sheet resistance value is the 1-5 megaohm, can effectively solve the static release And Spread of Solute of static electric field.
In order to achieve the above object, one aspect of the present invention provides a kind of preparation method of conductive plate, it is characterized in that, comprises the steps:
1) will impregnated in the body paper of dipping after glue and carry out first drying, and make impregnated paper, wherein said dipping glue is melamine resin;
2) cover on above-mentioned impregnated paper surface and carry out secondary drying after being coated with conductive glue, make conductive paper, wherein said conductive glue is the melamine resin that contains the nano-level conducting carbon black;
3) above-mentioned conductive paper and impregnated paper are overlayed respectively on the different side surfaces of dull and stereotyped main body, make conductive plate.
The body paper that the present invention adopts is the black paper of 80g, and the solid content of melamine resin is 50-55%.The nano-level conducting carbon black has electric action, connects with ground wire, the static that static electric field produces can be discharged into the earth system; Can form on the body paper surface water-fast, heat-resisting, wear-resisting, anti-pollution corrosion after melamine resin solidifies, and be rich in gloss, have decoration function and good performance preferably.
The pH value of the glue of dipping wherein, step 1) is 7.0-8.0, is preferably 7.0; Temperature is 20-30 ℃, is preferably 25 ℃; In dipping glue, the viscosity of melamine resin is 14-15 second, is preferably 14 seconds 45; The temperature of described first drying is 140-155 ℃, and wind speed is 15-25HZ.
Particularly, described first drying carries out in three joint baking boxs successively, wherein, the temperature of first segment baking box is 140-150 ℃, and wind speed is 15-25HZ, and the temperature of second section baking box is 145-155 ℃, wind speed is 20-25HZ, and the temperature of the 3rd joint baking box is 140-150 ℃, and wind speed is 15-25HZ; Particularly, temperature and the wind speed of first segment to the three joint baking boxs are preferably respectively: 145 ℃, 20HZ; 150 ℃, 23HZ; 145 ℃, 20HZ.
Wherein, step 2) described in conductive glue the content of nano-level conducting carbon black be 5-10%, be preferably 7%; The pH value of conductive glue is 7.0-8.0, is preferably 7.0; Temperature is 20-30 ℃, is preferably 25 ℃; Be 12-18 minute hardening time, is preferably 15 minutes; In conductive glue, the viscosity of melamine resin is 14-16 second, is preferably 14 seconds 50-15 seconds 30, more preferably 15 seconds; The temperature of described secondary drying is 140-160 ℃, and wind speed is 20-35HZ.
Particularly, described secondary drying carries out in five joint baking boxs successively, wherein, the temperature of first segment baking box is 140-150 ℃, wind speed is 20-30HZ, and the temperature of second section baking box is 145-150 ℃, and wind speed is 25-30HZ, the temperature of the 3rd joint baking box is 145-155 ℃, wind speed is 23-35HZ, and the temperature of the 4th joint baking box is 150-160 ℃, and wind speed is 25-35HZ, the temperature of the 5th joint baking box is 145-155 ℃, and wind speed is 25-30HZ; Particularly, temperature and the wind speed of first segment to the five joint baking boxs are preferably respectively: 145 ℃, 25HZ; 148 ℃, 28HZ; 150 ℃, 30HZ; 155 ℃, 30HZ; 150 ℃, 28HZ.
Step 2) cover on a side surface of impregnated paper and be coated with conductive glue, namely conductive paper side surface is melamine resin, and another side surface is the melamine resin that contains the nano-level conducting carbon black; The conductive paper spread of preparation is 180-220%, and fugitive constituent is 5-10%, and the precuring degree is 25-35%.
Wherein, step 3) pressure that overlays described in is the 1800-2000 ton, and temperature is 160-180 ℃, and the time is 45-60 second; When overlaying, conductive paper is covered be coated with the side surface of conductive glue up, do not fit in dull and stereotyped main body and cover the side surface that is coated with conductive glue, described dull and stereotyped main body is particieboard or density board, particularly EO level shaving board or EO level density board.
Further aspect of the present invention provides the conductive plate of preparation according to the method described above, and its sheet resistance value is the 1-5 megaohm.
The present invention has the following advantages:
1, conductive plate employing particieboard or the density board of the present invention's preparation are sheet material, and rate of expand to shrink is low, dimensionally stable, material is even, is difficult for strain cracking, is easy to dipping, easy construction is conducive to conduct electricity and other functional processing, as fire-retardant, anticorrosion, nonshrink, wear-resisting etc.;
2, preparation method of the present invention adopts horizontal double-steeping production line, and technique is simple, easy operating, and production efficiency is high, and constant product quality is with low cost;
3, the conductive plate of the present invention's preparation is covered with the nano-level conducting carbon black, electric conductivity is stable, conductive effect is better, the sheet resistance value of conductive plate is in the 1-5 megaohm, import the earth system with the static that can preferably static electric field be produced after ground wire is communicated with, thus the various adverse effects of avoiding static to produce;
4, conductive plate surface of the present invention is without white spot defect, and blackness is even, is rich in gloss, and therefore good decorating effect can utilize finishing to solve the static release And Spread of Solute that produces static electric field; The construction technology of conductive plate is simple, easy for installation in addition, the life-span long, need not frequent replacing, and the corrosion of water-fast, heat-resisting, wear-resisting, anti-pollution can be used for microcomputer control room, switchgear house preferably and some are easy to produce the zone of friction or Spontaneous release static by running unit room etc.
Description of drawings
Fig. 1 is the structural representation of conductive plate of the present invention;
Fig. 2 is the structural representation of conductive paper of the present invention;
Fig. 3 is the structural representation of impregnated paper of the present invention;
Description of reference numerals:
1, dull and stereotyped main body; 2, conductive paper; 3, impregnated paper; 4, body paper; 5, conductive layer; 6, glue-line; 7, nano-level conducting carbon black; 8, melamine resin.
The specific embodiment
Body paper of the present invention is the black paper of 80g, available from Shandong Zibo Qi Feng limited company; Melamine resin comes green technology Co., Ltd available from the Jinan, Shandong Province universe, and its solid content is 50-55%, and the pH value is 7.0-8.0, and viscosity is 14-16 second; The nano-level conducting carbon black is available from Tianjin hundred million rich auspicious chemical industry Co., Ltd; Adopt the horizontal double-steeping production line of ST1500B to prepare conductive paper of the present invention.
In the present invention, the performance measurement of dipping glue and conductive glue is with reference to GB/T 14074-2006 " based Wood Adhesives and the resin method of inspection thereof "; Conductive paper spread, fugitive constituent and precuring degree are measured with reference to LY/T1143-2006 " facing impregnated bond paper "; The sheet resistance value of conductive plate adopts the sheet resistance tester to test.
1, impregnation process
The dipping glue that adopts during impregnation process is melamine resin (solid content is 53%), and its viscosity is 14 seconds 45 (being coated with four glasss), and the pH value is 7.0, and temperature is 25 ℃;
Adopt the horizontal double-steeping production line of ST1500B that the black paper of 80g is sent to back of the body paint roller through intake roller, carry on the back and be coated with, dipping dipping glue then, through plastic squeeze, floating after, then enter a baking oven section and carry out drying, namely make impregnated paper after cooling; Wherein a baking oven Duan Weisan saves baking box, black paper after impregnation is successively by first segment to the three joint baking boxs, the temperature of first segment baking box and wind speed are respectively 145 ℃ and 20HZ, the temperature of second section baking box and wind speed are respectively 150 ℃ and 23HZ, and temperature and the wind speed of the 3rd joint baking box are respectively 145 ℃ and 20HZ;
As shown in Figure 3, impregnated paper comprises body paper 4, applies glue-line 6 in end face and the bottom surface of body paper 4, glue-line 6 is formed by melamine resin curing, it is water-fast, heat-resisting, wear-resisting, anti-pollution corrosion, is rich in gloss, makes impregnated paper and dull and stereotyped main body adhesion in overlaying process;
2, cover and be coated with processing
The nano-level conducting carbon black is joined melamine resin, and (solid content is 53%, viscosity is 15 seconds, the pH value is 7.0) in, mix, make conductive glue, wherein, in conductive glue, the quality percentage composition of nano-level conducting carbon black is 7%, be 15 minutes the hardening time of conductive glue, and temperature is 25 ℃;
Impregnated paper carries out single face and covers and be coated with conductive glue by covering the machine of being coated with, and after floating, enter secondary baking oven section and carries out drying, makes conductive paper after cooling; Wherein secondary baking oven Duan Weiwu saves baking box, impregnated paper is successively by first segment to the five joint baking boxs, the temperature of first segment baking box and wind speed are respectively 145 ℃ and 25HZ, the temperature of second section baking box and wind speed are respectively 148 ℃ and 28HZ, temperature and the wind speed of the 3rd joint baking box are respectively 150 ℃ and 30HZ, temperature and the wind speed of the 4th joint baking box are respectively 155 ℃ and 30HZ, and temperature and the wind speed of the 5th joint baking box are respectively 150 ℃ and 28HZ;
The spread of the conductive paper that makes is 200%, and fugitive constituent is 7.5%, and the precuring degree is 30%.As shown in Figure 2, conductive paper comprises body paper 4, applies conductive layer 5 in the bottom surface of body paper 4, and conductive layer 5 comprises nano-level conducting carbon black 7 and melamine resin 8, and nano-level conducting carbon black 7 is evenly distributed in melamine resin 8.Nano-level conducting carbon black in conductive layer has electric action, and it is connected with earth system, and the static that produces in static electric field can be discharged by conductive layer, thereby has effectively prevented the various harm that static brings; Bottom surface at body paper 4 applies glue-line 6, is formed by melamine resin curing, and it is water-fast, heat-resisting, wear-resisting, anti-pollution corrosion, is rich in gloss, good decorating effect;
3, overlay processing
Get conductive paper and the impregnated paper identical with EO level shaving board one side surface area, with pressure attached machine, conductive paper is overlayed end face in particieboard, dipping paper pressing laminate is in the bottom surface of particieboard, conductive paper cover be coated with conductive glue a side surface up, do not fit in particieboard and cover a side surface that is coated with conductive glue, namely make conductive plate of the present invention; Wherein, the pressure of pressure attached machine is 1800 tons, and overlaying temperature is 180 ℃, and the time of overlaying is 45s; The sheet resistance value of conductive plate is 3 megaohms;
As shown in Figure 1, conductive plate comprises dull and stereotyped main body 1, and the end face of dull and stereotyped main body 1 covers conductive paper 2, and the bottom surface of dull and stereotyped main body 1 covers impregnated paper 3, and dull and stereotyped main body is particieboard or the density board of EO level.The conductive plate surface that the present invention makes is without white spot defect, blackness is even, and water-fast, heat-resisting, wear-resisting, anti-pollution corrosion, is rich in gloss, good decorating effect can be used for microcomputer control room, switchgear house and some are easy to produce the zone of friction or Spontaneous release static by running unit room etc.
Except in the impregnation process step, the viscosity of dipping glue is 14 seconds (being coated with four glasss), and pH value is 8.0, and temperature is 20 ℃, and first segment, second section and the 3rd save the temperature of baking box and wind speed and be respectively 140 ℃ and 15HZ, 145 ℃ and 20HZ, 140 ℃ and 15HZ;
Cover and be coated with in treatment step, in conductive glue, the viscosity of melamine resin is 14 seconds 50 (being coated with four glasss), the pH value is 8.0, the quality percentage composition of nano-level conducting carbon black is 5%, the temperature of conductive glue is 20 ℃, be 18 minutes hardening time, the temperature of first segment to the five joint baking boxs and wind speed are respectively 140 ℃ and 20HZ, 145 ℃ and 25HZ, 145 ℃ and 25HZ, 150 ℃ and 25HZ, 145 ℃ and 25HZ, the spread of the conductive paper that makes is 180%, fugitive constituent is 5.0%, and the precuring degree is 25%;
Overlay in treatment step, adopt EO level density board, the pressure of pressure attached machine is 2000 tons, and overlaying temperature is 160 ℃, and the time of overlaying is outside 60s, and all the other are all identical with embodiment 1, and the sheet resistance value of the conductive plate that makes is 2 megaohms.
Except in the impregnation process step, the viscosity of dipping glue is 15 seconds (being coated with four glasss), and pH value is 7.5, and temperature is 30 ℃, and first segment, second section and the 3rd save the temperature of baking box and wind speed and be respectively 150 ℃ and 25HZ, 155 ℃ and 25HZ, 150 ℃ and 25HZ;
Cover and be coated with in treatment step, in conductive glue, the viscosity of melamine resin is 16 seconds (being coated with four glasss), the pH value is 8.0, the quality percentage composition of nano-level conducting carbon black is 10%, the temperature of conductive glue is 28 ℃, be 12 minutes hardening time, the temperature of first segment to the five joint baking boxs and wind speed are respectively 150 ℃ and 30HZ, 150 ℃ and 30HZ, 155 ℃ and 35HZ, 160 ℃ and 35HZ, 155 ℃ and 30HZ, the spread of the conductive paper that makes is 220%, fugitive constituent is 10.0%, and the precuring degree is 35%;
Overlay in treatment step, adopt EO level density board, the pressure of pressure attached machine is 2000 tons, and overlaying temperature is 170 ℃, and the time of overlaying is outside 50s, and all the other are all identical with embodiment 1, and the sheet resistance value of the conductive plate that makes is 5 megaohms.
Embodiment 4
Except in the impregnation process step, the viscosity of dipping glue is 14 seconds 45 (being coated with four glasss), and temperature is 23 ℃, and the temperature of first segment, second section and the 3rd joint baking box and wind speed are respectively 142 ℃ and 22HZ, 148 ℃ and 25HZ, 145 ℃ and 20HZ;
Cover and be coated with in treatment step, in conductive glue, the viscosity of melamine resin is 15 seconds 30 (being coated with four glasss), the quality percentage composition of nano-level conducting carbon black is 8%, the temperature of conductive glue is 30 ℃, the temperature of first segment to the five joint baking boxs and wind speed are respectively 148 ℃ and 28HZ, 150 ℃ and 30HZ, 152 ℃ and 32HZ, 155 ℃ and 35HZ, 153 ℃ and 30HZ, the spread of the conductive paper that makes is 210%, fugitive constituent is 8.0%, the precuring degree is outside 32%, all the other are all identical with embodiment 1, and the sheet resistance value of the conductive plate that makes is 5 megaohms.
Above-described embodiment is only exemplary, scope of the present invention is not consisted of any restriction.It will be understood by those skilled in the art that lower without departing from the spirit and scope of the present invention and can modify or replace details and the form of technical solution of the present invention, but these modifications and replacement all fall within the scope of protection of the present invention.
Claims (10)
1. the preparation method of a conductive plate, is characterized in that, comprises the steps:
1) will impregnated in the body paper of dipping after glue and carry out first drying, and make impregnated paper, wherein said dipping glue is melamine resin;
2) cover on above-mentioned impregnated paper surface and carry out secondary drying after being coated with conductive glue, make conductive paper, wherein said conductive glue is the melamine resin that contains the nano-level conducting carbon black;
3) above-mentioned conductive paper and impregnated paper are overlayed respectively on the different side surfaces of dull and stereotyped main body, make conductive plate.
2. preparation method as claimed in claim 1, is characterized in that step 1) described in the pH value of dipping glue be 7.0-8.0, temperature is 20-30 ℃, the viscosity of flooding melamine resin in glue is 14-15 second.
3. preparation method as claimed in claim 1 or 2, is characterized in that step 1) described in first drying carry out in baking boxs at three joints successively, wherein, the temperature of first segment baking box is 140-150 ℃, and the temperature of second section baking box is 145-155 ℃, and the temperature of the 3rd joint baking box is 140-150 ℃.
4. preparation method as claimed in claim 1 or 2, is characterized in that step 2) described in the pH value of conductive glue be 7.0-8.0, temperature is 20-30 ℃, in conductive glue, the viscosity of melamine resin is 14-16 second.
5. preparation method as claimed in claim 1 or 2, is characterized in that step 2) described in conductive glue in the content of nano-level conducting carbon black be 5-10%.
6. preparation method as claimed in claim 1 or 2, it is characterized in that, step 2) described secondary drying carries out in five joint baking boxs successively, wherein, the temperature of first segment baking box is 140-150 ℃, and the temperature of second section baking box is 145-150 ℃, and the temperature of the 3rd joint baking box is 145-155 ℃, the temperature of the 4th joint baking box is 150-160 ℃, and the temperature of the 5th joint baking box is 145-155 ℃.
7. preparation method as claimed in claim 1 or 2, is characterized in that step 2) described in the spread of conductive paper be 180-220%, fugitive constituent is 5-10%, the precuring degree is 25-35%.
8. preparation method as claimed in claim 1 or 2, is characterized in that step 3) described in the pressure that overlays be the 1800-2000 ton, temperature is 160-180 ℃, the time is 45-60 second.
9. preparation method as claimed in claim 1 or 2, is characterized in that step 3) described in dull and stereotyped main body be particieboard.
10. preparation method as claimed in claim 1 or 2, is characterized in that step 3) described in dull and stereotyped main body be density board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103817716A CN103129057A (en) | 2011-11-25 | 2011-11-25 | Electric conduction board and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103817716A CN103129057A (en) | 2011-11-25 | 2011-11-25 | Electric conduction board and manufacture method thereof |
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| CN103129057A true CN103129057A (en) | 2013-06-05 |
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| CN2011103817716A Pending CN103129057A (en) | 2011-11-25 | 2011-11-25 | Electric conduction board and manufacture method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505190A (en) * | 2018-11-22 | 2019-03-22 | 江苏佳饰家新材料有限公司 | Conductive dipping sizing agent and conductive impregnated paper and preparation method |
| CN109577073A (en) * | 2018-11-12 | 2019-04-05 | 江苏佳饰家新材料有限公司 | Antistatic dipping sizing agent and antistatic impregnated paper and preparation method |
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| CN1060858A (en) * | 1990-10-20 | 1992-05-06 | 浙江工学院 | Oil-resisting antistatic and anticorrosive coating |
| EP0987297A1 (en) * | 1997-01-06 | 2000-03-22 | A Creative Research & Testing Company, Inc. | Coating composition and coatings thereof |
| CN101111376A (en) * | 2005-01-25 | 2008-01-23 | 浦瑞玛柯Rwp控股公司 | Compound formable decorative laminate door panel |
| CN102019739A (en) * | 2009-09-10 | 2011-04-20 | 福建汇洋林业投资股份有限公司 | Method for gluing melamine impregnated paper on glass magnesium board |
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- 2011-11-25 CN CN2011103817716A patent/CN103129057A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060858A (en) * | 1990-10-20 | 1992-05-06 | 浙江工学院 | Oil-resisting antistatic and anticorrosive coating |
| EP0987297A1 (en) * | 1997-01-06 | 2000-03-22 | A Creative Research & Testing Company, Inc. | Coating composition and coatings thereof |
| CN101111376A (en) * | 2005-01-25 | 2008-01-23 | 浦瑞玛柯Rwp控股公司 | Compound formable decorative laminate door panel |
| CN102019739A (en) * | 2009-09-10 | 2011-04-20 | 福建汇洋林业投资股份有限公司 | Method for gluing melamine impregnated paper on glass magnesium board |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109577073A (en) * | 2018-11-12 | 2019-04-05 | 江苏佳饰家新材料有限公司 | Antistatic dipping sizing agent and antistatic impregnated paper and preparation method |
| CN109505190A (en) * | 2018-11-22 | 2019-03-22 | 江苏佳饰家新材料有限公司 | Conductive dipping sizing agent and conductive impregnated paper and preparation method |
| CN109505190B (en) * | 2018-11-22 | 2022-06-24 | 江苏佳饰家新材料集团股份有限公司 | Conductive impregnated slurry, conductive impregnated paper and preparation method |
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Application publication date: 20130605 |