CN102614972B - Methods for recovery treatment reutilization of prepreg offcuts - Google Patents
Methods for recovery treatment reutilization of prepreg offcuts Download PDFInfo
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- CN102614972B CN102614972B CN201210019968.XA CN201210019968A CN102614972B CN 102614972 B CN102614972 B CN 102614972B CN 201210019968 A CN201210019968 A CN 201210019968A CN 102614972 B CN102614972 B CN 102614972B
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- 238000000034 method Methods 0.000 title claims abstract description 83
- 238000011084 recovery Methods 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 155
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 48
- 238000005520 cutting process Methods 0.000 claims description 34
- 238000003825 pressing Methods 0.000 claims description 29
- 238000004064 recycling Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 22
- 238000010009 beating Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 11
- 238000010298 pulverizing process Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000004537 pulping Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 239000002440 industrial waste Substances 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 239000002023 wood Substances 0.000 description 25
- 239000000835 fiber Substances 0.000 description 24
- 239000000853 adhesive Substances 0.000 description 16
- 230000001070 adhesive effect Effects 0.000 description 16
- 239000000203 mixture Substances 0.000 description 11
- 238000007731 hot pressing Methods 0.000 description 10
- 239000000843 powder Substances 0.000 description 10
- 239000004575 stone Substances 0.000 description 10
- -1 polyethylene Polymers 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 8
- 238000004026 adhesive bonding Methods 0.000 description 8
- 239000010440 gypsum Substances 0.000 description 8
- 229910052602 gypsum Inorganic materials 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 229920001187 thermosetting polymer Polymers 0.000 description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920001617 Vinyon Polymers 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 229920001587 Wood-plastic composite Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007430 reference method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 239000011155 wood-plastic composite Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Abstract
The present invention discloses a recovery treatment method for prepreg offcuts, wherein the method comprises: carrying out a deep cooling treatment and crushing on prepreg offcuts. The present invention further discloses a reutilization method for prepreg offcuts, wherein the method comprises: carrying out reproducing on the raw material containing the treated prepreg offcuts according to the requirement. With the methods of the present invention, the environmental pollution is effectively controlled, the waste industrial scrap is recycled, the cost of the production enterprise is saved, the industrial chain cross can be formed with other industries, and the development of downstream industries can be prompted well.
Description
Technical field
The present invention relates to a kind of recovery and treatment method and recycling method of prepreg cutting edge material.
Background technology
Along with scientific and technical develop rapidly, the scale of electronic industry suitability for industrialized production constantly expands.Especially in recent years along with the developing rapidly of epoxy resin industry, the continuous increase of the market demand, has driven the diversified development of its downstream industry, and a new development peak period appears in laminate industry, a lot of laminated board production enterprise lifting production capacity of constantly expanding production.
At present, the production procedure of domestic laminate mainly comprises: the main flow process such as the preparation of the preparation of adhesive, the preparation of prepreg, lamination material and pressing.Wherein in the preparation process of prepreg, the edge of common glass fabric impregnant is after technological process, weft yarn end is owing to being infiltrated by adhesive and toasting, multiply weft yarn adhesion heat solidity adhesive, form tiny comparatively hard branch, not only reduced prepreg presentation quality, the operation of subsequent handling has been impacted simultaneously.
At present, the enterprise that automaticity is higher often adopts high-pressure hot air to process, but most of manufacturing enterprise is because production technology is relative with equipment backward, generally adopts cutter to cut processing, therefore produced a large amount of cutting edge material, because the reason of profile is commonly called as " caterpillar ".These cutting edge material are owing to being stained with the adhesives such as epoxy resin, self are difficult for decomposing, and adhesive composition machinery easily deliquescing stick to equipment surface after being heated during mechanical treatment, very large to equipment loss.For above-mentioned cutting edge material, also there is no at present good processing mode, if piled up in a large number, easily pollute environment.
Summary of the invention
Technical problem to be solved by this invention is to overcome and in prepreg process, produces a large amount of cutting edge material, contaminated environment and to defects such as equipment loss are large, provide a kind of recovery and treatment method and recycling method of prepreg cutting edge material existing preparation.Method of the present invention has been controlled environmental pollution effectively, has realized the waste and old recycling of industrial leftover pieces, has saved the cost payout of manufacturing enterprise, and can form intersecting of industrial chain with other industry, promotes better downstream industry exploitation.
The invention provides a kind of recovery and treatment method of prepreg cutting edge material: it comprises the following steps: prepreg cutting edge material carry out subzero treatment and pulverize, and obtains material.
In industry, material cooled is called to subzero treatment to the cold treatment below-100 ℃, temperature is generally-100 ℃～-196 ℃.Preferably-100 ℃～-175 ℃ of the temperature of subzero treatment of the present invention, more preferably-145 ℃～-175 ℃.The inorganic agent of described subzero treatment is preferably used liquid nitrogen.The consumption of described liquid nitrogen so that described prepreg cutting edge material fully subzero treatment be as the criterion, the preferred 1:1～1:3 of mass ratio of described liquid nitrogen and prepreg cutting edge material, more preferably 1:1.2～1:2.5.The processing time of described subzero treatment is selected according to the actual conditions of cutting edge material, preferably 3min～18min, more preferably 5min～10min.
Described pulverizing can be conventional pulverizing, generally comprises physical crushing and/or Ultrasonic Pulverization etc., and described physical crushing generally comprises to be sheared pulverizing and/or clash into pulverizing etc.The particle diameter of described pulverizing can be selected according to actual needs, preferably 0.01mm～100mm, more preferably 0.01mm～10.0mm, most preferably 0.01mm～0.1mm.Described pulverizing also can be carried out sorting process afterwards.Described sorting process can utilize screen cloth screening, Cyclonic separating apparatus sorting and magnetic plant to remove one or more in magnetic impurity.Described screen cloth is 50～2000 eye mesh screens preferably, more preferably 200～1250 eye mesh screens.The major function of described Cyclonic separating apparatus is to sub-elect by the particle size of crushed material the material needing, and removes partial impurities simultaneously.The major function of described magnetic plant is to utilize magnetic apparatus that the part metals impurity in material is separated.Described Cyclonic separating apparatus and the method for operating of magnetic plant and operating condition can be selected by the method for operating of this area routine and operating condition.
The present invention also provides a kind of recycling method of prepreg cutting edge material, and it comprises the following steps: raw material to manufacture as required again, obtains product; Described raw material packet is containing the material making by above-mentioned recovery and treatment method.
The product obtaining after described manufacture again comprises paper products, wood-based product, fiber sintetics and stone matter product etc.Described paper products comprises regeneration industrial paper, regeneration printing and regeneration package paper etc.Described wood-based product, due to preparation technology's difference, can be divided into pressing wood-based product, glued wood-based products, the bamboo product of pressing, glue together bamboo product and wooden inserts etc.Described fiber sintetics comprises electric equipment products, electronic product, dress and personal adornment, fiber-like packing material, fiber-like handicraft and laminate etc.Described stone matter product comprises construction material, ornament materials, stone matter handicraft and stone matter inserts etc.The conventional manufacturing process of the product that the described technique of manufacturing again can make is as required carried out.
In the present invention one, preferably in embodiment, described recycling method is carried out as follows: when described product is paper products, described raw material also can comprise paper material.Described paper material is for take types of applications material and the reworked material thereof that paper is that basic material is made, preferably one or more in industrial paper, newsprint and package paper.The technique of described manufacture paper products can be carried out according to common process, one or more in the techniques such as preferably making beating, plastotype, filling and pressing, more preferably making beating and/or plastotype technique.Described material and the preferred 1:8～1:50 of the mass ratio of paper material, more preferably 1:12～1:32.Described material is preferably manufactured paper products with granular participation.Described material and the preferred 1:0.5～1:10 of the size ratio of paper material, more preferably 1:0.5～1:1.
The preferred paper tube of described paper products.When described paper products is paper tube, described recycling method is preferably: described material and industrial waste paper pulping are mixed to rear making beating, by the production technology manufacture paper tube of this area routine.Described material is preferably produced paper tube with granular participation.The particle diameter of described material is 0.1mm～10mm, preferably 0.1mm～0.5mm.Preferred 1:10～the 1:50 of mass ratio of described material and industrial waste paper pulping, more preferably 1:20～1:32, most preferably 1:28～1:32.The beating degree of described making beating is 35 ° of SR～50 ° SR preferably, more preferably 38 ° of SR～45 ° SR.
The present invention another preferably in embodiment, when described product is wood-based product, described raw material also can comprise adhesive and wood materials.The preferred timber of described wood materials and/or bamboo wood.Described wood materials can be one or more in application material, its leftover pieces and the reworked material through processing and fabricating, preferably one or more in wood chip, wood shavings, carbonized wood, wood pottery, wood plastic composite and bamboo product.The agent of the preferred thermosetting gluing of described adhesive.The quality percentage composition that described adhesive accounts for raw material gross mass preferably 30%～75%, more preferably 40%～50%.The technique of described manufacture wood-based product can be carried out according to common process, one or more in preferably pressing, gummed, plastotype and fill process, more preferably pressing and/or gluing technique.Described pressing preferably adds hot pressing.The described temperature that adds hot pressing can be the temperature of this area routine, preferably 60 ℃～280 ℃.Described material and the preferred 1:0.25～1:10 of the mass ratio of wood materials, more preferably 1:0.5～1:5.Described material preferably participates in manufacturing wood-based product with granular form.Preferred 0.1mm～the 100mm of particle diameter of described material, more preferably 0.1mm～50mm.Described material and the preferred 1:0.5～1:20 of the size ratio of wood materials, more preferably 1:0.5～1:5.
Described wood-based product is preferably wooden force fit plate.When described wood-based product is wooden force fit plate, described recycling method is preferably: described material and wood chip are mixed, add the agent of thermosetting gluing, and insert in pressing mold, add hot pressing and produce wooden force fit plate.Described material is preferably produced wooden force fit plate with granular participation.Preferred 0.1mm～the 100mm of particle diameter of described material, more preferably 0.1mm～50mm, most preferably 1mm～30mm.Described material and the preferred 1:0.1～1:10 of the size ratio of wood chip, more preferably 1:0.5～1:1.Described material and the preferred 1:0.5～1:8 of the mass ratio of wood chip, more preferably 1:1～1:5, most preferably 1:1～1:4.Described add the hot pressing that adds that hot pressing can be this area routine.Preferably 120 ℃～180 ℃ of described heating pressing-in temps, more preferably 150 ℃～180 ℃.Preferred 10min～the 60min of heating pressing time, more preferably 5min～15min.Described material and the preferred 1:0.1～1:2.0 of the mass ratio of adhesive, more preferably 1:0.1～1:0.5.
The present invention another preferably in embodiment, when described product is fiber sintetics, described raw material also can comprise Fiber Composite Material and/or adhesive.The technique of described manufacture fiber sintetics can be carried out according to common process, one or more in preferably pressing, filling, extrusion molding, making beating and plastotype technique, one or more in more preferably pressing, extrusion molding and fill process.The agent of the preferred thermosetting gluing of described adhesive.The quality percentage composition that described adhesive accounts for raw material gross mass preferably 30%～75%, more preferably 40%～50%.Described Fiber Composite Material is all kinds of synthetic materials that utilize natural fiber and/or chemical fibre to manufacture, preferably one or more in wood fiber material, bamboo fiber material, flax fiber material, glass fiber material, Polyester Fibers, polyamide fiber material, vinal material, polyacrylonitrile fibre material, polyethylene fibre material, polypropylene fibre material and polyvinyl chloride fibre material.Described material and the preferred 1:10～1:82 of the mass ratio of Fiber Composite Material, more preferably 1:50～1:70.Described material preferably participates in manufacturing fiber sintetics with granular form.Described material and the preferred 1:0.1～1:20 of the size ratio of Fiber Composite Material, more preferably 1:0.1～1:1.Described fiber sintetics is preferably coated cable or laminate.
When described fiber sintetics is coated cable, described recycling method is preferably: the polyethylene fibre of described material and melting is mixed, then prepare coated cable by extruding-out process.Described mixing preferably added above-mentioned material in the polyethylene fibre of melting to.Described extruding-out process can be the production technology of this area routine, wherein, and the preferred 15r/min～50r/min of screw speed, the preferred 0.03MPa～0.10MPa of vacuum, the preferred 0.02MPa～0.10MPa of compressed air pressure.Described material is preferably with the coated cable of granular participation preparation.Preferred 0.01mm～the 0.05mm of particle diameter of described material, more preferably 0.01mm～0.03mm.Preferred 1:15～the 1:32 of mass ratio of described material and molten polyethylene fiber, more preferably 1:15～1:30, most preferably 1:20～1:25.The temperature of described molten polyethylene fibre blend material can be the temperature of molten polyethylene fibre blend material in the coated cable of preparation of this area routine, preferably 120 ℃～170 ℃, more preferably 135 ℃～160 ℃.
When described fiber sintetics is laminate, described recycling method is preferably: after described material and inserts are mixed, mix with the agent of thermosetting gluing, then by process for pressing prepared layer pressing plate.Described inserts can be the inserts of the conventional prepared layer pressing plate in this area, comprise inorganic fillings and organic inserts, one or more in preferred silica, talcum powder, aluminium hydroxide, magnesium hydroxide, barium sulfate, titanium dioxide, aluminium oxide, clay powder, rubber powder, polytetrafluorethylepowder powder, polyethylene powders, polyurethane powder, polyether ester powder and organic fire-retardant, more preferably one or more in silica, aluminium hydroxide and barium sulfate.Described process for pressing can be the process for pressing of this area routine, preferably adds hot pressing.Preferably 170 ℃～250 ℃ of the described temperature that adds hot pressing, more preferably 190 ℃～215 ℃.Described preferred 60min～180min of the time that adds hot pressing, more preferably 90min～120min.The described preferred 30Kg/cm of the pressure that adds hot pressing
2～55Kg/cm
2, more preferably 35Kg/cm
2～42Kg/cm
2.Described material is preferably with granular participation prepared layer pressing plate.Preferred 0.01mm～the 0.1mm of particle diameter of described material.Described material and the preferred 1:0.25～1:5 of the size ratio of inserts, more preferably 1:0.5～1:1.Preferred 1:10～the 1:25 of mass ratio of described material and inserts total amount, more preferably 1:15～1:25, most preferably 1:20～1:25.Described thermosetting gluing agent can be the thermosetting gluing agent that the conventional producing zone pressing plate in this area is used.The consumption of described adhesive can be the consumption of this area routine, described material and the preferred 1:8～1:60 of the mass ratio of adhesive, more preferably 1:15～1:30.
The present invention another preferably in embodiment, when described product is stone matter product, described raw material also can comprise ore material.Described ore material is for take types of applications material and the reworked material thereof that rock soil ore is that basic material is made, preferably one or more in marble, granite, flag, cobblestone, quartz, gypsum and pottery.The technique of described manufacture stone matter product can be carried out according to common process, preferably moulding, build, fill, one or more in gummed and process for pressing, more preferably moulding and/or casting craft.Preferred 1:8～the 1:50 of mass ratio of described material and ore material, more preferably 1:10～1:30.Described material preferably participates in manufacturing stone matter product with granular form.Described material and the preferred 1:0.1～1:20 of the size ratio of stone material, more preferably 1:0.5～1:1.
The described preferred plasterboard of stone matter product.When described stone matter product is plasterboard, described recycling method is preferably: described material and the gypsum grog of same particle size ratio are mixed, by the production technology of this area routine, produce plasterboard.Preferred 1:10～the 1:50 of mass ratio of described material and gypsum grog, more preferably 1:10～1:30, most preferably 1:15～1:20.Described material is preferably produced plasterboard with granular participation.Preferred 0.1mm～the 20mm of particle diameter of described material, more preferably 1mm～10mm.Described gypsum grog is preferably produced plasterboard with granular participation.Preferred 0.01mm～the 0.5mm of particle diameter of described gypsum grog, more preferably 0.01mm～0.1mm.
Without prejudice to the field on the basis of common sense, above-mentioned each optimum condition, can be combined, and obtains the preferred embodiments of the invention.
Agents useful for same of the present invention and raw material be commercially available obtaining all.
Positive progressive effect of the present invention is: the present invention can recycle and recycle prepreg cutting edge material effectively, realized the waste and old recycling of industrial leftover pieces, reduced the cost payout of manufacturing enterprise, for business processes prepreg cutting edge material provides a reference method with practical value; Meanwhile, control well problem of environmental pollution, effectively utilized solid waste; In addition, the popularization of the method, can form intersecting of industrial chain with other industry, promotes better downstream industry exploitation.
The specific embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.The experimental technique of unreceipted actual conditions in the following example, according to conventional method and condition, or selects according to catalogue.
Embodiment 1
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container, pass into liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1:1.5, liquid nitrogen temperature is controlled to-170 ℃ (± 5 ℃), if temperature raises, continues to pass into liquid nitrogen, and the processing time is 5min～10min.
Step 2: pulverize
Cutting edge material after above-mentioned steps is processed is transferred to rapidly in disintegrating apparatus, and powder particle diameter is 0.1mm～10mm, selects, then remove the impurity in crushed material by magnetic plant by 50 mesh sieve gauze brushes, obtains material.
Step 3: mix making beating
Material obtained above is joined in the industrial paper waste paper pulping of recovery, the mass ratio of material and industrial waste paper pulping is 1:30.After mixing, send into beater, pull an oar to beating degree be 40 ° of SR, then successively by dehydration, squeezing, dry, press polish, batch, the technological process such as rewinding, manufacture high strength paper tube.Wherein, above-mentioned every technological process is this area conventional process.
After tested, finished paper prepared by above-described embodiment technique, its tightness is 88～96g/cm
2, interlayer adhesion is>=320J/m
2, thickness difference≤0.015mm.
Embodiment 2
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container, pass into liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1:1.5, liquid nitrogen temperature is controlled to-150 ℃ (± 5 ℃), if temperature raises, continues to pass into liquid nitrogen, and the processing time is 3min～5min.
Step 2: pulverize
Cutting edge material after above-mentioned steps is processed is transferred to rapidly in disintegrating apparatus, and powder particle diameter is 0.1mm～10.0mm, by concentration equipment, removes the metal impurities in crushed material, obtains material.
Step 3: mix pressing
By the wood chip of material obtained above and same particle size ratio in proportion quality fully mix, add again the agent of thermosetting gluing, its quality is than material: wood chip: adhesive is 1:2:0.2, after mixing, insert in pressing mold, send into and in press equipment, add hot pressing, pressing-in temp is 160 ℃～180 ℃, and pressing time is 10min.Pressing flow process is this area conventional process.The size ratio of material and wood chip is 1:0.5～1:1.
The wooden force fit plate that above-described embodiment is produced, be all the up to state standards specification requirement of GB/T9846-2004 and GB/T22349-2008 defined of its performance indications.Meanwhile, its compressive property and sound insulation value are all better than conventional wooden force fit plate.
Embodiment 3
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container, pass into liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1:2.0, treatment temperature is controlled to-175 ℃ (± 5 ℃), if temperature raises, continue to pass into liquid nitrogen to guarantee treatment temperature, the processing time is 3min～5min.
Step 2: pulverize
Cutting edge material after above-mentioned steps is processed is transferred to rapidly in disintegrating apparatus, and powder particle diameter is 0.01mm～0.1mm, with 200 object screen cloth screenings, by concentration equipment, removes the metal impurities in crushed material, obtains material.
Step 3: filling, pressing
Above-mentioned material is fully mixed with the inserts (silica, aluminium hydroxide and barium sulfate) of same particle size ratio, the mass ratio of material and inserts total amount is 1:20, add in the adhesive for the production of laminate, by the conventional heating process for pressing producing zone pressing plate of this area.Wherein, the pressing-in temp of laminate is 190 ℃～210 ℃, and pressing time is 90min, and pressing pressure is 37Kg/cm
2.
The laminate that above-described embodiment is produced, be all the up to state standards specification requirement of GB/T1303.1-1998 defined of its performance indications.
Embodiment 4
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container, pass into liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1:2.2, treatment temperature is controlled to-180 ℃ (± 5 ℃), if temperature raises, continue to pass into liquid nitrogen to guarantee treatment temperature, the processing time is 5min～8min.
Step 2: pulverize
Cutting edge material after above-mentioned steps is processed is transferred in disintegrating apparatus and is pulverized rapidly, and crushed material passes through cyclone separator, and screens with 1250 object screen clothes, selecting particle diameter is the crushed material of 0.01mm～0.03mm, by concentration equipment, remove the metal impurities in crushed material again, obtain material.
Step 3: mixing, extrusion molding
Above-mentioned material is added in the molten polyethylene plastics for the production of coated cable, and material and molten plastic mass ratio are 1:20, make it disperse completely and mix, and by the conventional extruding-out process of this area, produce coated cable.Wherein, the temperature of vinyon mixed material is 150 ℃, and screw speed is 28r/min, and vacuum is 0.085MPa, and contracting air pressure is 0.05MPa.
After tested, above-described embodiment manufacturing take thickness of insulating layer as 0.70mm cable, 70 ℃ of its long-term work temperature >, spark experiment electric current > 7000V, work experiment electric current > 2000V, insulaion resistance >=2500M Ω Km after use direct current 500V voltage test constant charge 1min in the time of 20 ℃.
Embodiment 5
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container, pass into liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1:1.5, liquid nitrogen temperature is controlled to-170 ℃ (± 5 ℃), if temperature raises, continues to pass into liquid nitrogen, and the processing time is 3min～5min.
Step 2: pulverize
Cutting edge material after above-mentioned steps is processed is transferred to rapidly in disintegrating apparatus, and powder particle diameter is 1mm～10mm, obtains material.
Step 3: mix moulding
Material obtained above is joined for gypsum grog, and the mass ratio of material and gypsum grog is 1:15, makes gypsum slurry fully mixing, then successively by moulding, solidify, be dried, the technique such as sorting, edge sealing, produce key employing plasterboard.Wherein, above-mentioned every technological process is this area conventional process.
The plasterboard that above-described embodiment is produced, its performance indications all meet the specification requirement of national standard GB/T 9775-2008 and JC/T799-88 defined.The interior void of this plasterboard is less, and impact resistance, heat-proof quality are all better than the plasterboard that common process is produced, and has the feature of better light weight.In addition, this plasterboard hardness is larger, seamed edge hardness > 88N; Water imbibition is lower, water absorption rate < 6.5%.
Although the above-mentioned specific embodiment is described beneficial effect of the present invention in detail, it will be understood by those of skill in the art that above-described embodiment, only for to description and interpretation of the present invention, is not limitation of the present invention.Protection scope of the present invention is limited by claims.Any modification that the present invention is made, improve and be equal to replacement, within being all included in protection scope of the present invention.
Claims (13)
1. a recycling method for prepreg cutting edge material, is characterized in that comprising the following step: raw material is manufactured as required again, obtained product; The material that described raw material packet makes containing recovery and treatment method; Described material is made by following recovery and treatment method: prepreg cutting edge material carried out to subzero treatment and pulverizes, obtain material;
Described product is paper products, and described raw material also comprises paper material; The described technique of manufacturing is again to comprise one or more in making beating, plastotype, filling and pressing; Described material and the mass ratio of paper material are 1:8～1:50.
2. recycling method as claimed in claim 1, is characterized in that: the temperature of described subzero treatment is-100 ℃～-175 ℃; The inorganic agent of described subzero treatment is liquid nitrogen; The mass ratio of described liquid nitrogen and prepreg cutting edge material consumption is 1:1～1:3; The processing time of described subzero treatment is 3min～18min; The particle diameter of described pulverizing is 0.01mm～100mm.
3. recycling method as claimed in claim 2, is characterized in that: the temperature of described subzero treatment is-145 ℃～-175 ℃; The mass ratio of described liquid nitrogen and prepreg cutting edge material consumption is 1:1.2～1:2.5; The processing time of described subzero treatment is 5min～10min; The particle diameter of described pulverizing is 0.01mm～10.0mm.
4. recycling method as claimed in claim 3, is characterized in that: the particle diameter of described pulverizing is 0.01mm～0.1mm.
5. recycling method as claimed in claim 1 or 2, is characterized in that: after described pulverizing, also carry out sorting process; Described sorting process is to utilize one or more in screen cloth, Cyclonic separating apparatus and magnetic plant to carry out; Described screen cloth is 50～2000 eye mesh screens.
6. recycling method as claimed in claim 5, is characterized in that: described screen cloth is 200～1250 eye mesh screens.
7. recycling method as claimed in claim 1 or 2, is characterized in that: described paper material is one or more in industrial paper, newsprint and package paper; Described material and the mass ratio of paper material are 1:15～1:32.
8. recycling method as claimed in claim 7, is characterized in that: described material participates in manufacturing paper products with granular form; Described material and the size ratio of paper material are 1:0.5～1:10.
9. recycling method as claimed in claim 8, is characterized in that: described material and the size ratio of paper material are 1:0.5～1:1.
10. recycling method as claimed in claim 1 or 2, is characterized in that: described paper products is paper tube, and described recycling method is: described material and industrial waste paper pulping are mixed to rear making beating, manufacture paper tube.
11. recycling methods as claimed in claim 10, is characterized in that: described material is produced paper tube with granular participation; The particle diameter of described material is 0.1mm～10mm; The mass ratio of described material and industrial waste paper pulping is 1:10～1:50; The beating degree of described making beating is 35 ° of SR～50 ° SR.
12. recycling methods as claimed in claim 11, is characterized in that: the particle diameter of described material is 0.1mm～0.5mm; The mass ratio of described material and industrial waste paper pulping is 1:20～1:32; The beating degree of described making beating is 38 ° of SR～45 ° SR.
13. recycling methods as claimed in claim 12, is characterized in that: the mass ratio of described material and industrial waste paper pulping is 1:28～1:32.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410060029.9A CN103769290B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201410059835.4A CN103861717B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201410058745.3A CN103769289B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201210019968.XA CN102614972B (en) | 2012-01-21 | 2012-01-21 | Methods for recovery treatment reutilization of prepreg offcuts |
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| CN201210019968.XA CN102614972B (en) | 2012-01-21 | 2012-01-21 | Methods for recovery treatment reutilization of prepreg offcuts |
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| CN201410059835.4A Division CN103861717B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201410058745.3A Division CN103769289B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201410060029.9A Division CN103769290B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
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| CN102614972A CN102614972A (en) | 2012-08-01 |
| CN102614972B true CN102614972B (en) | 2014-05-07 |
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| CN201410059835.4A Expired - Fee Related CN103861717B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201410060029.9A Expired - Fee Related CN103769290B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201210019968.XA Expired - Fee Related CN102614972B (en) | 2012-01-21 | 2012-01-21 | Methods for recovery treatment reutilization of prepreg offcuts |
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| CN201410060029.9A Expired - Fee Related CN103769290B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
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| CN106042124B (en) * | 2016-06-08 | 2018-06-29 | 安徽汇力建筑工程有限公司 | A kind of light thermal-insulation curtain wall material manufacturing method |
| CN106494033B (en) * | 2016-10-26 | 2018-10-19 | 江门市龙兴电子材料有限公司 | A kind of reuse method sampling material, cutting edge material and unqualified prepreg and the copper-clad plate using this method manufacture |
| CN109082919A (en) * | 2018-09-20 | 2018-12-25 | 淮安天然丝纺织科技有限公司 | Magma paper breaking method |
| CN110625852B (en) * | 2019-09-24 | 2021-08-20 | 四川英创力电子科技股份有限公司 | Method for resource utilization of prepreg corner waste |
| CN111945450A (en) * | 2020-07-22 | 2020-11-17 | 东莞市凯成环保科技有限公司 | Injection molding production method of paper plastic |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103861717B (en) | 2015-10-07 |
| CN103769290A (en) | 2014-05-07 |
| CN103769289B (en) | 2015-10-07 |
| CN103769289A (en) | 2014-05-07 |
| CN103861717A (en) | 2014-06-18 |
| CN102614972A (en) | 2012-08-01 |
| CN103769290B (en) | 2015-08-19 |
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