CN102614972A - Methods for recovery treatment reutilization of prepreg offcuts - Google Patents
Methods for recovery treatment reutilization of prepreg offcuts Download PDFInfo
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- CN102614972A CN102614972A CN201210019968XA CN201210019968A CN102614972A CN 102614972 A CN102614972 A CN 102614972A CN 201210019968X A CN201210019968X A CN 201210019968XA CN 201210019968 A CN201210019968 A CN 201210019968A CN 102614972 A CN102614972 A CN 102614972A
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- 238000011084 recovery Methods 0.000 title claims abstract description 12
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- 239000000835 fiber Substances 0.000 claims description 42
- 239000002023 wood Substances 0.000 claims description 42
- 238000003825 pressing Methods 0.000 claims description 39
- 238000005520 cutting process Methods 0.000 claims description 34
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- 230000001070 adhesive effect Effects 0.000 claims description 24
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- 239000004575 stone Substances 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- 239000010440 gypsum Substances 0.000 claims description 13
- 229910052602 gypsum Inorganic materials 0.000 claims description 13
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- 238000010009 beating Methods 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 229920001187 thermosetting polymer Polymers 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 238000004537 pulping Methods 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 239000002440 industrial waste Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 4
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- 239000011248 coating agent Substances 0.000 claims description 3
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- 240000006240 Linum usitatissimum Species 0.000 claims description 2
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920002522 Wood fibre Polymers 0.000 claims description 2
- 229920001587 Wood-plastic composite Polymers 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- 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 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 239000010438 granite Substances 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000004579 marble Substances 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000002025 wood fiber Substances 0.000 claims description 2
- 239000011155 wood-plastic composite Substances 0.000 claims description 2
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- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- 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
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- Processing Of Solid Wastes (AREA)
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 of prepreg cutting edge material and utilize method again.
Background technology
Along with the develop rapidly of science and technology, the scale of electronic industry suitability for industrialized production constantly enlarges.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 the laminate industry, a lot of laminated board production enterprises lifting production capacity of constantly expanding production.
At present, the production procedure of domestic laminate mainly comprises: 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 through after the technological process; Weft yarn is terminal owing to soaked into and baking by adhesive, and multiply weft yarn adhesion heat solidity adhesive forms tiny comparatively hard branch; Not only reduced the prepreg presentation quality, the operation to subsequent handling simultaneously impacts.
At present; The higher enterprise of automaticity often adopts high-pressure hot air to handle, but most of manufacturing enterprise generally adopts cutter to cut processing because production technology and equipment are backward relatively; Therefore produced a large amount of cutting edge material, be " caterpillar " because the reason of profile is commonly called as.These cutting edge material self are difficult for decomposing owing to be stained with adhesive such as epoxy resin, and the adhesive composition machinery back deliquescing and stick to equipment surface easily of being heated during mechanical treatment, and are very big to equipment loss.Also do not have good processing mode at present for above-mentioned cutting edge material,, pollute environment easily if pile up in a large number.
Summary of the invention
Technical problem to be solved by this invention is to overcome and produces a large amount of cutting edge material, contaminated environment in the existing preparation prepreg process and to defectives such as equipment loss are big, a kind of recovery and treatment method of prepreg cutting edge material is provided and has utilized method again.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 expenditure of manufacturing enterprise, and can form intersecting of industrial chain with other industry, promotes the downstream industry exploitation better.
The invention provides a kind of recovery and treatment method of prepreg cutting edge material: it comprises the following steps: prepreg cutting edge material is carried out subzero treatment and pulverizing, gets material, gets final product.
In the industry, be called subzero treatment to material cooled to the cold treatment below-100 ℃, temperature is generally-100 ℃～-196 ℃.Preferred-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 said prepreg cutting edge material fully subzero treatment be as the criterion preferred 1: 1～1: 3 of the 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, preferred 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 shears pulverizing and/or bump pulverizing etc.The particle diameter of described pulverizing can be selected according to actual needs, preferred 0.01mm～100mm, more preferably 0.01mm～10.0mm, most preferably 0.01mm～0.1mm.Also can carry out sorting after the described pulverizing handles.Described sorting is handled screen cloth capable of using screening, Cyclonic separating apparatus sorting and magnetic plant and is removed in the magnetic impurity one or more.Preferred 50～2000 eye mesh screens of described screen cloth, more preferably 200～1250 eye mesh screens.The major function of described Cyclonic separating apparatus is to sub-elect the material that needs by the size of pulverizing material, removes partial impurities simultaneously.The major function of described magnetic plant is to utilize magnetic apparatus that the part metals impurity in the material is separated.The method of operating of described Cyclonic separating apparatus and magnetic plant and operating condition can be selected by this area conventional method of operating and operating condition.
What the present invention also provided a kind of prepreg cutting edge material utilizes method again, and it comprises the following steps: raw material is made as required again, product; Described raw material comprises the material that makes by above-mentioned recovery and treatment method.
The product that obtains after the described manufacturing 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 is because preparation technology's difference can be divided into pressing wood-based product, glued wood-based products, the bamboo product of pressing, the bamboo product of gummed 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 technology of making again can make is as required carried out.
In the present invention's one preferred implementation, the described method of utilizing is again carried out as follows: when described product was paper products, described raw material also can comprise paper material.Described paper material is for paper being types of applications material and the reworked material thereof that basic material is made, one or more in preferred industrial paper, newsprint and the package paper.The technology of described manufacturing paper products can be carried out according to common process, one or more in the technologies such as preferred making beating, plastotype, filling and pressing, more preferably making beating and/or plastotype technology.Preferred 1: 8～1: 50 of the mass ratio of described material and paper material, more preferably 1: 12～1: 32.Described material is preferably made paper products with granular participation.Preferred 1: 0.5～1: 10 of the size ratio of described material and paper material, more preferably 1: 0.5～1: 1.
The preferred paper tube of described paper products.When described paper products was paper tube, the described method of utilizing again was preferably: with pulling an oar behind described material and the industrial waste paper pulping mixing, use paper tube through the production technology manufacture that this area is conventional.Described material is preferably produced paper tube with granular participation.The particle diameter of described material is 0.1mm～10mm, preferred 0.1mm～0.5mm.Preferred 1: 10～1: 50 of the mass ratio of described material and industrial waste paper pulping, more preferably 1: 20～1: 32, most preferably 1: 28～1: 32.The preferred 35 ° of SR～50 ° SR of the beating degree of described making beating, more preferably 38 ° of SR～45 ° SR.
In another preferred implementation of the present invention, when said product was wood-based product, described raw material also can comprise adhesive and wood materials.Preferred timber of described wood materials and/or bamboo wood.Described wood materials can be one or more in Material Used, its leftover pieces and the reworked material through processing and fabricating, one or more in preferred wood chip, wood shavings, carbonized wood, wood pottery, wood plastic composite and the bamboo product.The agent of the preferred thermosetting gluing of described adhesive.It is preferred 30%～75% that described adhesive accounts for the quality percentage composition of raw material gross mass, and more preferably 40%～50%.The described technology of making wood-based product can be carried out according to common process, one or more in preferred pressing, gummed, plastotype and the 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 conventional temperature in this area, preferred 60 ℃～280 ℃.Preferred 1: 0.25～1: 10 of the mass ratio of described material and wood materials, more preferably 1: 0.5～1: 5.Described material preferably participates in making wood-based product with granular form.Preferred 0.1mm～the 100mm of the particle diameter of described material, more preferably 0.1mm～50mm.Preferred 1: 0.5～1: 20 of the size ratio of described material and wood materials, more preferably 1: 0.5～1: 5.
Described wood-based product is preferably wooden force fit plate.When described wood-based product was wooden force fit plate, the described method of utilizing again was preferably: with described material and wood chip mixing, add the agent of thermosetting gluing, and insert in the 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 the particle diameter of described material, more preferably 0.1mm～50mm, most preferably 1mm～30mm.Preferred 1: 0.1～1: 10 of the size ratio of described material and wood chip, more preferably 1: 0.5～1: 1.Preferred 1: 0.5～1: 8 of the mass ratio of described material and wood chip, more preferably 1: 1～1: 5, most preferably 1: 1～1: 4.Described add hot pressing can be this area conventional add hot pressing.Preferred 120 ℃～180 ℃ of described heating pressing-in temp, more preferably 150 ℃～180 ℃.Preferred 10min～the 60min of heating pressing time, more preferably 5min～15min.Preferred 1: 0.1～1: 2.0 of the mass ratio of described material and adhesive more preferably 1: 0.1～1: 0.5, gets final product.
In another preferred implementation of the present invention, when described product was the fiber sintetics, described raw material also can comprise Fiber Composite Material and/or adhesive.The technology of described manufacturing fiber sintetics can be carried out according to common process, one or more in preferred pressing, filling, extrusion molding, making beating and the plastotype technology, one or more in more preferably pressing, extrusion molding and the fill process.The agent of the preferred thermosetting gluing of described adhesive.It is preferred 30%～75% that described adhesive accounts for the quality percentage composition of raw material gross mass, and more preferably 40%～50%.Described Fiber Composite Material is all kinds of synthetic materials that utilize natural fiber and/or chemical fibre to make, one or more in preferred 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 the polyvinyl chloride fibre material.Preferred 1: 10～1: 82 of the mass ratio of described material and Fiber Composite Material, more preferably 1: 50～1: 70.Described material preferably participates in making the fiber sintetics with granular form.Preferred 1: 0.1～1: 20 of the size ratio of described material and Fiber Composite Material, more preferably 1: 0.1～1: 1.Described fiber sintetics is preferably and coats cable or laminate.
When described fiber sintetics is that the described method of utilizing again is preferably when coating cable:, coat cable through the extruding-out process preparation again with the polyethylene fibre mixing of described material and fusion.Described mixing preferably adds above-mentioned material in the polyethylene fibre of fusion to.Described extruding-out process can be the conventional production technology in this area, 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 preferably coats cable with granular participation preparation.Preferred 0.01mm～the 0.05mm of the particle diameter of described material, more preferably 0.01mm～0.03mm.Described material and molten polyethylene quality of fiber be than preferred 1: 15～1: 32, and more preferably 1: 15～1: 30, most preferably 1: 20～1: 25.The temperature of described molten polyethylene fiber mixing material can be the temperature that the conventional preparation in this area coats molten polyethylene fiber mixing material in the cable, preferred 120 ℃～170 ℃, more preferably 135 ℃～160 ℃.
When described fiber sintetics was laminate, the described method of utilizing again was preferably: behind described material and inserts mixing, with thermosetting gluing agent mixing, again through process for pressing prepared layer pressing plate.Described inserts can be the inserts of this area prepared layer pressing plate commonly used; Comprise inorganic fillings and organic inserts; 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 the organic fire-retardant one or more, more preferably one or more in silica, aluminium hydroxide and the barium sulfate.Described process for pressing can be the conventional process for pressing in this area, preferably adds hot pressing.Preferred 170 ℃～250 ℃ of the described temperature that adds hot pressing, more preferably 190 ℃～215 ℃.The described preferred 60min～180min of time that adds hot pressing, more preferably 90min～120min.The described preferred 30Kg/cm of pressure that adds hot pressing
2～55Kg/cm
2, more preferably 35Kg/cm
2～42Kg/cm
2Described material is preferably with granular participation prepared layer pressing plate.Preferred 0.01mm～the 0.1mm of the particle diameter of described material.Preferred 1: 0.25～1: 5 of the size ratio of described material and inserts, more preferably 1: 0.5～1: 1.Preferred 1: 10～1: 25 of the mass ratio of described material and inserts total amount, more preferably 1: 15～1: 25, most preferably 1: 20～1: 25.The agent of described thermosetting gluing can be the thermosetting gluing agent that this area producing zone pressing plate commonly used is used.The consumption of described adhesive can be the conventional consumption in this area, preferred 1: 8～1: 60 of the mass ratio of described material and adhesive, more preferably 1: 15～1: 30.
In another preferred implementation of the present invention, when described product was stone matter product, described raw material also can comprise the ore material.Described ore material is for the rock soil ore being types of applications material and the reworked material thereof that basic material is made, one or more in preferred marble, granite, flag, cobblestone, quartz, gypsum and the pottery.The technology of described manufacturing stone matter product can be carried out according to common process, preferably moulding, build, fill, in gummed and the process for pressing one or more, more preferably moulding and/or casting craft.Preferred 1: 8～1: 50 of the mass ratio of described material and ore material, more preferably 1: 10～1: 30.Described material preferably participates in making stone matter product with granular form.Preferred 1: 0.1～1: 20 of the size ratio of described material and stone material, more preferably 1: 0.5～1: 1.
The preferred plasterboard of described stone matter product.When described stone matter product was plasterboard, the described method of utilizing again was preferably: with the gypsum grog mixing of described material with the same particle size ratio, produce plasterboard by the production technology that this area is conventional.Preferred 1: 10～1: 50 of the 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 the 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 the particle diameter of described gypsum grog, more preferably 0.01mm～0.1mm.
On the basis of this area general knowledge, above-mentioned each optimum condition, but combination in any promptly get each preferred embodiments of the present invention.
Agents useful for same of the present invention and raw material are all commercially available to be got.
Positive progressive effect of the present invention is: the present invention can recycle effectively and utilize prepreg cutting edge material again; Realized the waste and old recycling of industrial leftover pieces; Reduced the cost expenditure of manufacturing enterprise, for business processes prepreg cutting edge material provides a reference method with practical value; Simultaneously, control problem of environmental pollution well, effectively utilized solid waste; In addition, the popularization of this method can form intersecting of industrial chain with other industry, promotes the downstream industry exploitation better.
The specific embodiment
Mode through embodiment further specifies the present invention below, but does not therefore limit the present invention among the described scope of embodiments.The experimental technique of unreceipted actual conditions in the following example according to conventional method and condition, or is selected according to catalogue.
Embodiment 1
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container, feed liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1: 1.5, liquid nitrogen temperature is controlled at-170 ℃ (± 5 ℃), continues to feed liquid nitrogen if temperature raises, and the processing time is 5min～10min.
Step 2: pulverize
Cutting edge material after the above-mentioned steps processing is transferred to rapidly in the disintegrating apparatus, and powder particle diameter is 0.1mm～10mm, selects through 50 mesh sieve gauze brushes, removes the impurity of pulverizing in expecting through magnetic plant again, gets material.
Step 3: mixing making beating
The above-mentioned material that obtains is joined in the industrial paper waste paper pulping of recovery, the mass ratio of material and industrial waste paper pulping is 1: 30.Send into beater after mixing, pull an oar to beating degree be 40 ° of SR, then successively through dehydration, squeezing, drying, press polish, batch, technological process such as rewinding, manufacture is used the high strength paper tube.Wherein, above-mentioned each item technological process is this area conventional process.
Through test, the finished paper of the foregoing description prepared, its tightness are 88～96g/cm
2, the 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, feed liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1: 1.5, liquid nitrogen temperature is controlled at-150 ℃ (± 5 ℃), continues to feed liquid nitrogen if temperature raises, and the processing time is 3min～5min.
Step 2: pulverize
Cutting edge material after the above-mentioned steps processing is transferred to rapidly in the disintegrating apparatus, and powder particle diameter is 0.1mm～10.0mm, removes the metal impurities of pulverizing in the material through concentration equipment, gets material.
Step 3: mixing pressing
With the wood chip of the above-mentioned material that obtains and same particle size ratio in proportion quality fully mix; Add the agent of thermosetting gluing again; Its quality is than material: wood chip: adhesive is 1: 2: 0.2, inserts in the pressing mold after mixing, and sends into to add hot pressing in the press equipment; Pressing-in temp is 160 ℃～180 ℃, and pressing time is 10min.The pressing flow process is this area conventional process.The size ratio of material and wood chip is 1: 0.5～1: 1.
All the be up to state standards specification requirement of GB/T9846-2004 and GB/T 22349-2008 defined of the wooden force fit plate that the foregoing description is produced, its performance indications.Simultaneously, its compressive property and sound insulation value all are superior to conventional wooden force fit plate.
Embodiment 3
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container; Feed liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1: 2.0, treatment temperature is controlled at-175 ℃ (± 5 ℃); Continue to feed liquid nitrogen to guarantee treatment temperature if temperature raises, the processing time is 3min～5min.
Step 2: pulverize
Cutting edge material after the above-mentioned steps processing is transferred to rapidly in the disintegrating apparatus, and powder particle diameter is 0.01mm～0.1mm, with the screening of 200 purpose screen clothes, through concentration equipment, removes the metal impurities of pulverizing in the material, gets material.
Step 3: filling, pressing
The inserts (silica, aluminium hydroxide and barium sulfate) of above-mentioned material with the same particle size ratio fully mixed; The mass ratio of material and inserts total amount is 1: 20; Add the adhesive that is used for the producing zone pressing plate to, add hot pressing technique producing zone pressing plate by the routine 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
All the be up to state standards specification requirement of GB/T 1303.1-1998 defined of the laminate that the foregoing description is produced, its performance indications.
Embodiment 4
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container; Feed liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1: 2.2, treatment temperature is controlled at-180 ℃ (± 5 ℃); Continue to feed liquid nitrogen to guarantee treatment temperature if temperature raises, the processing time is 5min～8min.
Step 2: pulverize
Cutting edge material after above-mentioned steps handled is transferred in the disintegrating apparatus rapidly and is pulverized, and pulverizes material through cyclone separator, and screens with 1250 purpose screen clothes; Selecting particle diameter for use is the pulverizing material of 0.01mm～0.03mm; Through concentration equipment, remove the metal impurities of pulverizing in the material again, get material.
Step 3: mixing, extrusion molding
Above-mentioned material added to be used for producing the molten polyethylene plastics that coat cable, material and molten plastic mass ratio are 1: 20, it is disperseed fully and mix, by the conventional extruding-out process production coating cable of this area.Wherein, the temperature of vinyon mixed material is 150 ℃, and screw speed is 28r/min, and vacuum is 0.085MPa, and the air pressure that contracts is 0.05MPa.
Through test; The foregoing description manufacturing be the 0.70mm cable with the thickness of insulating layer, its long-term work temperature＞70 ℃, spark experiment electric current＞7000V; Work experiment electric current＞2000V, in the time of 20 ℃ with insulaion resistance >=2500M Ω Km behind the direct current 500V voltage test constant charge 1min.
Embodiment 5
Step 1: subzero treatment
Prepreg cutting edge material is put into closed container, feed liquid nitrogen, the mass ratio of liquid nitrogen and cutting edge material consumption is 1: 1.5, liquid nitrogen temperature is controlled at-170 ℃ (± 5 ℃), continues to feed liquid nitrogen if temperature raises, and the processing time is 3min～5min.
Step 2: pulverize
Cutting edge material after the above-mentioned steps processing is transferred to rapidly in the disintegrating apparatus, and powder particle diameter is 1mm～10mm, gets material.
Step 3: mixing is moulding
The above-mentioned material that obtains joined be used for the gypsum grog, the mass ratio of material and gypsum grog is 1: 15, process gypsum slurry and fully mix, then successively through moulding, solidify, technologies such as drying, sorting, edge sealing, produce key employing plasterboard.Wherein, above-mentioned each item technological process is this area conventional process.
The plasterboard that the foregoing description is produced, the specification requirement of equal National standard GBT 9775-2008 of its performance indications and JC/T 799-88 defined.The interior void of this plasterboard is less, and impact resistance, heat-proof quality all are superior to the plasterboard that common process is produced, and have the characteristics of better light weight.In addition, this plasterboard hardness is bigger, seamed edge hardness＞88N; Water imbibition is lower, water absorption rate＜6.5%.
Though 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 the foregoing description is merely explanation of the present invention and explanation, be not limitation of the present invention.Protection scope of the present invention is limited claims.Any to modification that the present invention made, improve and be equal to replacement, all be included within protection scope of the present invention.
Claims (10)
1. the recovery and treatment method of a prepreg cutting edge material: it is characterized in that comprising the following steps: prepreg cutting edge material is carried out subzero treatment and pulverizes, material, get final product.
2. recovery and treatment method as claimed in claim 1 is characterized in that: the temperature of described subzero treatment is-100 ℃～-175 ℃, preferred-145 ℃～-175 ℃; The inorganic agent of described subzero treatment is a liquid nitrogen; The mass ratio of described liquid nitrogen and prepreg cutting edge material consumption is 1: 1～1: 3, preferred 1: 1.2～1: 2.5; The processing time of described subzero treatment is 3min～18min, preferred 5min～10min; The particle diameter of described pulverizing is 0.01mm～100mm, preferred 0.01mm～10.0mm, more preferably 0.01mm～0.1mm.
3. recovery and treatment method as claimed in claim 2 is characterized in that: also carry out sorting after the described pulverizing and handle; Described sorting is treated to and utilizes in screen cloth, Cyclonic separating apparatus and the magnetic plant one or more to carry out; Described screen cloth is 50～2000 eye mesh screens, preferred 200～1250 eye mesh screens.
A prepreg cutting edge material utilize method again, it is characterized in that comprising the following step: raw material is made as required again, product; Described raw material comprises the material that makes by each described recovery and treatment method of claim 1-3.
5. the method for utilizing again as claimed in claim 4 is characterized in that: when described product was paper products, described raw material also comprised paper material; In the preferred industrial paper of described paper material, newsprint and the package paper one or more; The described optimal process of making again comprises one or more in making beating, plastotype, filling and the pressing; Preferred 1: 8～1: 50 of the mass ratio of described material and paper material, more preferably 1: 15～1: 32; Described material preferably participates in making paper products with granular form; Preferred 1: 0.5～1: 10 of the size ratio of described material and paper material, more preferably 1: 0.5～1: 1;
Described paper products is preferably paper tube; When described paper products was paper tube, the described method of utilizing again was preferably: with pulling an oar behind described material and the industrial waste paper pulping mixing, make paper tube; Described material is preferably produced paper tube with granular participation; Preferred 0.1mm～the 10mm of the particle diameter of described material, more preferably 0.1mm～0.5mm; Preferred 1: 10～1: 50 of the mass ratio of described material and industrial waste paper pulping, more preferably 1: 20～1: 32, most preferably 1: 28～1: 32; The preferred 35 ° of SR～50 ° SR of the beating degree of described making beating, more preferably 38 ° of SR～45 ° SR.
6. the method for utilizing again as claimed in claim 4 is characterized in that: when said product was wood-based product, described raw material also comprised adhesive and wood materials; Preferred timber of described wood materials and/or bamboo wood; In the preferred wood chip of described wood materials, wood shavings, carbonized wood, wood pottery, wood plastic composite and the bamboo product one or more; The agent of the preferred thermosetting gluing of described adhesive; It is preferred 30%～75% that described adhesive accounts for the quality percentage composition of raw material gross mass, and more preferably 40%～50%; The described optimal process of making again comprises one or more in pressing, gummed, plastotype and the filling; Described pressing preferably adds hot pressing; Preferred 60 ℃～280 ℃ of the described temperature that adds hot pressing; Preferred 1: 0.25～1: 10 of the mass ratio of described material and wood materials, more preferably 1: 0.5～1: 5; Described material preferably participates in making wood-based product with granular form; Preferred 0.1mm～the 100mm of the particle diameter of described material, more preferably 0.1mm～50mm; Preferred 1: 0.5～1: 20 of the size ratio of described material and wood materials, more preferably 1: 0.5～1: 5;
Described wood-based product is preferably wooden force fit plate; When described wood-based product was wooden force fit plate, the described method of utilizing again was preferably: with described material and wood chip mixing, add the agent of thermosetting gluing, and insert in the 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 the particle diameter of described material, more preferably 0.1mm～50mm, most preferably 1mm～30mm; Preferred 1: 0.1～1: 10 of the size ratio of described material and wood chip, more preferably 1: 0.5～1: 1; Preferred 1: 0.5～1: 8 of the mass ratio of described material and wood chip, more preferably 1: 1～1: 5, most preferably 1: 1～1: 4; Preferred 120 ℃～180 ℃ of described heating pressing-in temp, more preferably 150 ℃～180 ℃; Preferred 10min～the 60min of heating pressing time, more preferably 5min～15min; Preferred 1: 0.1～1: 2.0 of the mass ratio of described material and adhesive more preferably 1: 0.1～1: 0.5, gets final product.
7. the method for utilizing again as claimed in claim 4 is characterized in that: when described product was the fiber sintetics, described raw material also comprised Fiber Composite Material and/or adhesive; The described optimal process of making again comprises one or more in pressing, filling, extrusion molding, making beating and the plastotype technology; The agent of the preferred thermosetting gluing of described adhesive; It is preferred 30%～75% that described adhesive accounts for the quality percentage composition of raw material gross mass, and more preferably 40%～50%; In the preferred wood fiber material of described Fiber Composite 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 the polyvinyl chloride fibre material one or more; Preferred 1: 10～1: 82 of the mass ratio of described material and Fiber Composite Material, more preferably 1: 50～1: 70; Described material preferably participates in making the fiber sintetics with granular form; Preferred 1: 0.1～1: 20 of the size ratio of described material and Fiber Composite Material, more preferably 1: 0.1～1: 1; Described fiber sintetics preferably coats cable or laminate.
8. reproducing method as claimed in claim 7; It is characterized in that: when described fiber sintetics is when coating cable; The described method of utilizing again is: with the polyethylene fibre mixing of described material and fusion, coat cable through the extruding-out process preparation again; Described mixing preferably adds above-mentioned material in the polyethylene fibre of fusion to; In the described extruding-out process, 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 preferably coats cable with granular participation preparation; Preferred 0.01mm～the 0.05mm of the particle diameter of described material, more preferably 0.01mm～0.03mm; Described material and molten polyethylene quality of fiber be than preferred 1: 15～1: 32, and more preferably 1: 15～1: 30, most preferably 1: 20～1: 25; Preferred 120 ℃～170 ℃ of the temperature of described molten polyethylene fiber mixing material, more preferably 135 ℃～160 ℃.
9. the method for utilizing again as claimed in claim 7; It is characterized in that: when described fiber sintetics is laminate; The described method of utilizing again is: behind described material and inserts mixing, with said thermosetting gluing agent mixing, again through process for pressing prepared layer pressing plate; In the preferred silica of described inserts, 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 the organic fire-retardant one or more; Described pressing preferably adds hot pressing; Preferred 170 ℃～250 ℃ of the described temperature that adds hot pressing, more preferably 190 ℃～215 ℃; The described preferred 60min～180min of time that adds hot pressing, more preferably 90min～120min; The described preferred 30Kg/cm of pressure that adds hot pressing
2～55Kg/cm
2, more preferably 35Kg/cm
2～42Kg/cm
2Described material is preferably with granular participation prepared layer pressing plate; Preferred 0.01mm～the 0.1mm of the particle diameter of described material; Preferred 1: 0.25～1: 5 of the size ratio of described material and inserts, more preferably 1: 0.5～1: 1; Preferred 1: 10～1: 25 of the mass ratio of described material and inserts total amount, more preferably 1: 15～1: 25, most preferably 1: 20～1: 25; Preferred 1: 8～1: 60 of the mass ratio of described material and adhesive, more preferably 1: 15～1: 30.
10. the method for utilizing again as claimed in claim 4 is characterized in that: when described product was stone matter product, described raw material also comprised the ore material; In the preferred marble of described ore material, granite, flag, cobblestone, quartz, gypsum and the pottery one or more; That the described optimal process of making again comprises is moulding, build, fill, in gummed and the process for pressing one or more; Preferred 1: 8～1: 50 of the mass ratio of described material and ore material, more preferably 1: 10～1: 30; Described material preferably participates in making stone matter product with granular form; Preferred 1: 0.1～1: 20 of the size ratio of described material and stone material, more preferably 1: 0.5～1: 1;
The preferred plasterboard of described stone matter product; When described stone matter product was plasterboard, the described method of utilizing again was preferably: with the gypsum grog mixing of described material with the same particle size ratio, produce plasterboard by the production technology that this area is conventional; Preferred 1: 10～1: 50 of the 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 the 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 the particle diameter of described gypsum grog, more preferably 0.01mm～0.1mm.
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| CN201410059835.4A CN103861717B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
| CN201410060029.9A CN103769290B (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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| 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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| CN201410059835.4A Expired - Fee Related CN103861717B (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 |
| CN201410058745.3A Active CN103769289B (en) | 2012-01-21 | 2012-01-21 | A kind of reuse method of prepreg cutting edge material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494033A (en) * | 2016-10-26 | 2017-03-15 | 江门市龙兴电子材料有限公司 | The reuse method of a kind of sampling material, cutting edge material and unqualified prepreg and the copper-clad plate of application the 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 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN103769289A (en) | 2014-05-07 |
| CN103769290B (en) | 2015-08-19 |
| CN102614972B (en) | 2014-05-07 |
| CN103769289B (en) | 2015-10-07 |
| CN103861717A (en) | 2014-06-18 |
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