CN102516592B - Preparation method of waste plastic composite material modified by waste circuit board non-metal powder - Google Patents
Preparation method of waste plastic composite material modified by waste circuit board non-metal powder Download PDFInfo
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- CN102516592B CN102516592B CN201110358001XA CN201110358001A CN102516592B CN 102516592 B CN102516592 B CN 102516592B CN 201110358001X A CN201110358001X A CN 201110358001XA CN 201110358001 A CN201110358001 A CN 201110358001A CN 102516592 B CN102516592 B CN 102516592B
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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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
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention relates to a preparation method of a waste plastic composite material modified by waste circuit board non-metal powder. The preparation method disclosed by the invention comprises the following steps of: performing hydrothermal process activation treatment on the waste circuit board non-metal powder after drying to get the activated waste circuit board non-metal powder, further mixing the activated waste circuit board non-metal powder with a waste plastic recycled material, and then performing extrusion molding in a parallel co-rotating twin-screw extruder to get the waste plastic composite material modified by the waste circuit board non-metal powder. The preparation method disclosed by the invention is simple in process, and the hydrothermal process activation treatment is performed on the waste circuit board non-metal powder, so that chemical bonds of the non-metal powder can be broken, new activation points are produced for producing new activation groups from the waste circuit board non-metal powder, the purpose of improving the bonding performance of the waste circuit board non-metal powder with an interface of a resin matrix can be achieved and the overall performance of the composite material can be improved. According to the preparation method disclosed by the invention, the waste circuit board non-metal powder and the waste plastic recycled material are taken as raw materials, so that resource utilization of the waste materials is realized, the cost of the materials is simultaneously reduced, and great economic and social significance is further realized.
Description
Technical field
The invention belongs to solid waste comprehensive utilization technique field, be specifically related to a kind of preparation method of waste plastic composite material modified by waste circuit board non-metal powder.
Background technology
At present, recycling for non-metallic material in the old circuit board disposal process, still lack at present effective economical means both at home and abroad, a big chunk non-metallic material are taken as rubbish and abandon, burn or bury, not only cause serious environmental pollution, and caused a large amount of wastes of useful resources.In old circuit board, non-metallic material generally account for more than 60%, main component is glass fibre and thermosetting epoxy resin, if can take full advantage of these materials, not only can alleviate offal treatment pressure, can also reduce material cost, have great economic implications and social effect.
Matrix material is that present Material Field has one of field of application and development prospect most, is also the main path that technics of reclaim of plastic waste is utilized.Glass fibre in nonmetallic metal powder of scrap circuit boards is a kind of desirable strongthener, good insulating, thermotolerance is strong, erosion resistance good, physical strength is high, simultaneously the glass fibre of nonmetallic metal powder of scrap circuit boards is the composite particles that is closely linked with the epoxy resin that has solidified, so it and plastics have good consistency.The chemical bond that utilizes hydrothermal method activation treatment nonmetallic metal powder of scrap circuit boards can interrupt cured epoxy resin in non-metal powder produces new activation point, thereby make nonmetallic metal powder of scrap circuit boards produce new activating group, reach the purpose of the interfacial combined function that improves nonmetallic metal powder of scrap circuit boards and resin matrix, thereby further improve the overall performance of matrix material.The matrix material of preparation has comparatively ideal over-all properties take nonmetallic metal powder of scrap circuit boards and waste or used plastics as raw material, applying of its technology, opened up the frontier that nonmetallic metal powder of scrap circuit boards and technics of reclaim of plastic waste are utilized, form the closed circulation of raw material-product-raw material, realized the waste and scrap recycling of highest level, not only can alleviate offal treatment pressure, can also reduce material cost, have great economic implications and social effect.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of waste plastic composite material modified by waste circuit board non-metal powder.
The preparation method of the waste plastic composite material modified by waste circuit board non-metal powder that the present invention proposes, dried nonmetallic metal powder of scrap circuit boards is carried out the hydrothermal method activation treatment, the nonmetallic metal powder of scrap circuit boards that obtains activating, nonmetallic metal powder of scrap circuit boards and waste thermoplastic resin reclaimed materials with activation mixes rear extrusion moulding in the parallel equidirectional two-screw forcing machine again, obtains the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards.Its concrete steps are as follows:
(1) add 1～4 * 10 in autoclave
3G liquefaction solvent and 1～1 * 10
3The g catalyzer after stirring 1～30 minute with glass stick, then adds 1～1 * 10
3The nonmetallic metal powder of scrap circuit boards of g drying, with the glass stick dispersed with stirring after 1～60 minute, process 1 minute ~ 12 hours by deionized water dilution washing under 1 ~ 200 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 1～48 hour under 25 ~ 120 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
(2) with the nonmetallic metal powder of scrap circuit boards 1～1 * 10 of processing through hydrothermal method of step (1) gained
3G and technics of reclaim of plastic waste material 1～1 * 10
3G adds in high-speed mixer together, in rotor speed is to mix under the condition of 1～300r/min after 1～60 minute to take out, and obtains Preblend;
(3) with the Preblend 1～1 * 10 of step (2) gained
3G and lubricant 1～1 * 10
2G adds in the parallel equidirectional two-screw forcing machine, is that 1 ~ 200 ℃, screw speed are extrusion moulding under the condition of 1～200r/min in temperature, obtains waste plastic composite material modified by waste circuit board non-metal powder.
In the present invention, liquefaction solvent described in step (1) is any or its multiple combination in water, phenol, methyl alcohol, ethanol, ethylene glycol, polyoxyethylene glycol, propyl alcohol, butanols, naphthane or perhydronaphthalene.
In the present invention, catalyzer described in step (1) is any or its multiple combination in sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, perchloric acid, Phenylsulfonic acid, oxalic acid, acetic acid, potassium hydroxide, sodium hydroxide, salt of wormwood or sodium carbonate.
In the present invention, nonmetallic metal powder of scrap circuit boards described in step (1) is for separating by old circuit board is broken, pulverising mill powdered the non-metal powder that obtains again.
in the present invention, technics of reclaim of plastic waste material described in step (2) is the waste polyethylene reclaimed materials, the waste and old polypropylene reclaimed materials, the waste polyvinyl chloride reclaimed materials, the waste and old polystyrol reclaimed materials, waste and old polymethylmethacrylate reclaimed materials, waste and old polyoxymethylene reclaimed materials, waste and old polymeric amide reclaimed materials, waste and old polycarbonate reclaimed materials, waste and old polyethylene terephthalate reclaimed materials, waste and old polybutylene terephthalate reclaimed materials, waste and old polyphenylene thioether, any or its multiple combination in waste and old polyphenylene oxide reclaimed materials or waste and old polyethylene terephthalate reclaimed materials.
In the present invention, the lubricant described in step (3) is any or its multiple combination in paraffin, polyethylene wax, Zinic stearas or stearic acid.
Technique of the present invention is simple, utilize hydrothermal method activation treatment nonmetallic metal powder of scrap circuit boards can interrupt the chemical bond of non-metal powder, producing new activation point makes nonmetallic metal powder of scrap circuit boards produce new activating group, reach the purpose of the interfacial combined function that improves nonmetallic metal powder of scrap circuit boards and resin matrix, thereby improve the overall performance of matrix material.The matrix material of the present invention preparation is take nonmetallic metal powder of scrap circuit boards and waste or used plastics as raw material, form the closed circulation of raw material-product-raw material, realized the waste and scrap recycling of highest level, not only can alleviate offal treatment pressure, can also reduce material cost, have great economic implications and social effect.
Description of drawings
Fig. 1 is the filling-modified waste or used plastics matrix material of the nonmetallic metal powder of scrap circuit boards impact fracture surface scanning electron microscope (SEM) photograph that EXAMPLE l provides.
Embodiment
The following examples are to further illustrate of the present invention, rather than limit the scope of the invention.
Embodiment 1: take water as liquefaction solution, sulfuric acid as catalyzer carries out the hydrothermal method activation treatment to nonmetallic metal powder of scrap circuit boards, obtain the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation; With extrusion moulding in the parallel equidirectional two-screw forcing machine after above nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation and the mixing of waste polyethylene reclaimed materials, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards again.
Step (1): add the water of 800mL and 80mL, 90% weight concentration sulphuric acid soln in autoclave, after stirring 10 minutes with glass stick, add again dry nonmetallic metal powder of scrap circuit boards 250g, with the glass stick dispersed with stirring after 30 minutes, process 4 hours by deionized water dilution washing under 180 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 6 hours under 120 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
Step (2): add together nonmetallic metal powder of scrap circuit boards 200g and the waste polyethylene reclaimed materials 800g through the hydrothermal method activation treatment of step (1) gained in high-speed mixer, be to mix after 30 minutes under the condition of 150r/min to take out in high-speed mixer rotor speed, obtain Preblend;
Step (3): Preblend 1000g and the lubricant paraffin 10g of step (2) gained are added in the parallel equidirectional two-screw forcing machine, be that 180 ℃, screw speed are extrusion moulding under the condition of 70r/min in temperature, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards.
Mechanical experimental results shows that the shock strength of the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards is 8KJ.m
-2, flexural strength is 70MPa, modulus in flexure is 6GPa.
Fig. 1 provides the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards impact fracture surface scanning electron microscope (SEM) photograph.
Embodiment 2: take water as liquefaction solution, potassium hydroxide as catalyzer carries out the hydrothermal method activation treatment to nonmetallic metal powder of scrap circuit boards, obtain the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation; With extrusion moulding in the parallel equidirectional two-screw forcing machine after above nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation and the mixing of waste and old polypropylene reclaimed materials, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards again.
Step (1): add the water of 900mL and the potassium hydroxide of 90g in autoclave, after stirring 20 minutes with glass stick, add again dry nonmetallic metal powder of scrap circuit boards 300g, with the glass stick dispersed with stirring after 20 minutes, process 6 hours by deionized water dilution washing under 160 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 6 hours under 100 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
Step (2): add together nonmetallic metal powder of scrap circuit boards 250g and the waste and old polypropylene reclaimed materials 750g through the hydrothermal method activation treatment of step (1) gained in high-speed mixer, be to mix after 40 minutes under the condition of 120r/min to take out in high-speed mixer rotor speed, obtain Preblend;
Step (3): Preblend 1000g and the lubricant paraffin 10g of step (2) gained are added in the parallel equidirectional two-screw forcing machine, be that 160 ℃, screw speed are extrusion moulding under the condition of 80r/min in temperature, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards.
Mechanical experimental results shows that the shock strength of the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards is 9KJ.m-2, and flexural strength is 75MPa, and modulus in flexure is 8GPa.
Embodiment 3: take water as liquefaction solution, salt of wormwood as catalyzer carries out the hydrothermal method activation treatment to nonmetallic metal powder of scrap circuit boards, obtain the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation; With extrusion moulding in the parallel equidirectional two-screw forcing machine after above nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation and the mixing of waste polyvinyl chloride reclaimed materials, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards again.
Step (1): add the water of 600mL and the salt of wormwood of 60g in autoclave, after stirring 20 minutes with glass stick, add again dry nonmetallic metal powder of scrap circuit boards 200g, with the glass stick dispersed with stirring after 30 minutes, process 5 hours by deionized water dilution washing under 170 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 5 hours under 110 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
Step (2): add together nonmetallic metal powder of scrap circuit boards 150g and the waste polyvinyl chloride reclaimed materials 850g through the hydrothermal method activation treatment of step (1) gained in high-speed mixer, be to mix after 40 minutes under the condition of 120r/min to take out in high-speed mixer rotor speed, obtain Preblend;
Step (3): Preblend 1000g and the lubricant paraffin 15g of step (2) gained are added in the parallel equidirectional two-screw forcing machine, be that 160 ℃, screw speed are extrusion moulding under the condition of 80r/min in temperature, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards.
Mechanical experimental results shows that the shock strength of the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards is 7KJ.m-2, and flexural strength is 72MPa, and modulus in flexure is 7GPa.
Embodiment 4: take water as liquefaction solution, nitric acid as catalyzer carries out the hydrothermal method activation treatment to nonmetallic metal powder of scrap circuit boards, obtain the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation; With extrusion moulding in the parallel equidirectional two-screw forcing machine after above nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation and the mixing of waste and old polystyrol reclaimed materials, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards again.
Step (1): add the water of 800mL and 80mL, 90% weight concentration salpeter solution in autoclave, after stirring 20 minutes with glass stick, add again dry nonmetallic metal powder of scrap circuit boards 200g, with the glass stick dispersed with stirring after 45 minutes, process 6 hours by deionized water dilution washing under 160 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 6 hours under 115 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
Step (2): add together nonmetallic metal powder of scrap circuit boards 150g and the waste and old polystyrol reclaimed materials 850g through the hydrothermal method activation treatment of step (1) gained in high-speed mixer, be to mix after 60 minutes under the condition of 150r/min to take out in high-speed mixer rotor speed, obtain Preblend;
Step (3): Preblend 1000g and the lubricant paraffin 12g of step (2) gained are added in the parallel equidirectional two-screw forcing machine, be that 170 ℃, screw speed are extrusion moulding under the condition of 130r/min in temperature, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards.
Mechanical experimental results shows that the shock strength of the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards is 12KJ.m-2, and flexural strength is 100MPa, and modulus in flexure is 8GPa.
Embodiment 5: take phenol as liquefaction solution, sulfuric acid as catalyzer carries out the hydrothermal method activation treatment to nonmetallic metal powder of scrap circuit boards, obtain the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation; With extrusion moulding in the parallel equidirectional two-screw forcing machine after above nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation and the mixing of waste polyethylene reclaimed materials, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards again.
Step (1): add the phenol of 1200g and 100mL, 90% weight concentration sulphuric acid soln in autoclave, after stirring 20 minutes with glass stick, add again dry nonmetallic metal powder of scrap circuit boards 300g, with the glass stick dispersed with stirring after 25 minutes, process 6 hours by deionized water dilution washing under 160 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 5 hours under 120 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
Step (2): add together nonmetallic metal powder of scrap circuit boards 250g and the waste polyethylene reclaimed materials 750g through the hydrothermal method activation treatment of step (1) gained in high-speed mixer, be to mix after 40 minutes under the condition of 130r/min to take out in high-speed mixer rotor speed, obtain Preblend;
Step (3): Preblend 1000g and the lubricant polyethylene wax 12g of step (2) gained are added in the parallel equidirectional two-screw forcing machine, be that 180 ℃, screw speed are extrusion moulding under the condition of 120r/min in temperature, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards.
Mechanical experimental results shows that the shock strength of the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards is 9KJ.m-2, and flexural strength is 80MPa, and modulus in flexure is 7GPa.
Embodiment 6: take dehydrated alcohol as liquefaction solution, sodium hydroxide as catalyzer carries out the hydrothermal method activation treatment to nonmetallic metal powder of scrap circuit boards, obtain the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation; With extrusion moulding in the parallel equidirectional two-screw forcing machine after above nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation and the mixing of waste and old polypropylene reclaimed materials, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards again.
Step (1): the sodium hydroxide that adds 900mL dehydrated alcohol and 100g in autoclave, after stirring 20 minutes with glass stick, add again dry nonmetallic metal powder of scrap circuit boards 300g, with the glass stick dispersed with stirring after 35 minutes, process 5 hours by deionized water dilution washing under 170 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 6 hours under 100 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
Step (2): add together nonmetallic metal powder of scrap circuit boards 250g and the waste and old polypropylene reclaimed materials 750g through the hydrothermal method activation treatment of step (1) gained in high-speed mixer, be to mix after 30 minutes under the condition of 120r/min to take out in high-speed mixer rotor speed, obtain Preblend;
Step (3): Preblend 800g and the lubricant stearic acid 8g of step (2) gained are added in the parallel equidirectional two-screw forcing machine, be that 180 ℃, screw speed are extrusion moulding under the condition of 140r/min in temperature, obtain the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards.
Mechanical experimental results shows that the shock strength of the filling-modified waste or used plastics matrix material of nonmetallic metal powder of scrap circuit boards is 10KJ.m-2, and flexural strength is 83MPa, and modulus in flexure is 10GPa.
Above-mentioned description to embodiment is to understand and apply the invention for the ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiments, and in the General Principle of this explanation is applied to other embodiment and needn't pass through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention to improvement and modification that the present invention makes according to announcement of the present invention.
Claims (6)
1. the preparation method of waste plastic composite material modified by waste circuit board non-metal powder is characterized in that concrete steps are as follows:
(1) add 1～4 * 10 in autoclave
3G liquefaction solvent and 1～1 * 10
3The g catalyzer after stirring 1～30 minute with glass stick, then adds 1～1 * 10
3The nonmetallic metal powder of scrap circuit boards of g drying, with the glass stick dispersed with stirring after 1～60 minute, process 1 minute ~ 12 hours by deionized water dilution washing under 1 ~ 200 ℃, the filter membrane suction filtration, it is neutral that repetitive scrubbing to filtrate is, drying is 1～48 hour under 25 ~ 120 ℃, obtains the nonmetallic metal powder of scrap circuit boards through the hydrothermal method activation treatment;
(2) with the nonmetallic metal powder of scrap circuit boards 1～1 * 10 through the hydrothermal method activation treatment of step (1) gained
3G and technics of reclaim of plastic waste material 1～1 * 10
3G adds in high-speed mixer together, in rotor speed is to mix under the condition of 1～300r/min after 1～60 minute to take out, and obtains Preblend;
(3) with the Preblend 1～1 * 10 of step (2) gained
3G and lubricant 1～1 * 10
2G adds in the parallel equidirectional two-screw forcing machine, is that 1 ~ 200 ℃, screw speed are extrusion moulding under the condition of 1～200r/min in temperature, obtains waste plastic composite material modified by waste circuit board non-metal powder.
2. the preparation method of waste plastic composite material modified by waste circuit board non-metal powder according to claim 1 is characterized in that liquefaction solvent described in step (1) is any or its multiple combination in water, phenol, methyl alcohol, ethanol, ethylene glycol, polyoxyethylene glycol, propyl alcohol, butanols, naphthane or perhydronaphthalene.
3. the preparation method of waste plastic composite material modified by waste circuit board non-metal powder according to claim 1 is characterized in that catalyzer described in step (1) is any or its multiple combination in sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, perchloric acid, Phenylsulfonic acid, oxalic acid, acetic acid, potassium hydroxide, sodium hydroxide, salt of wormwood or sodium carbonate.
4. the preparation method of waste plastic composite material modified by waste circuit board non-metal powder according to claim 1, is characterized in that nonmetallic metal powder of scrap circuit boards described in step (1) is for separating by old circuit board is broken, pulverising mill powdered the non-metal powder that obtains again.
5. the preparation method of waste plastic composite material modified by waste circuit board non-metal powder according to claim 1, it is characterized in that the technics of reclaim of plastic waste material described in step (2) is the waste polyethylene reclaimed materials, the waste and old polypropylene reclaimed materials, the waste polyvinyl chloride reclaimed materials, the waste and old polystyrol reclaimed materials, waste and old polymethylmethacrylate reclaimed materials, waste and old polyoxymethylene reclaimed materials, waste and old polymeric amide reclaimed materials, waste and old polycarbonate reclaimed materials, waste and old polybutylene terephthalate reclaimed materials, waste and old polyphenylene thioether, any or its multiple combination in waste and old polyphenylene oxide reclaimed materials or waste and old polyethylene terephthalate reclaimed materials.
6. the preparation method of waste plastic composite material modified by waste circuit board non-metal powder according to claim 1 is characterized in that the lubricant described in step (3) is any or its multiple combination in paraffin, polyethylene wax, Zinic stearas or stearic acid.
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| CN201110358001XA CN102516592B (en) | 2011-11-14 | 2011-11-14 | Preparation method of waste plastic composite material modified by waste circuit board non-metal powder |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103044772B (en) * | 2012-12-19 | 2015-07-15 | 清远市宏保环保科技有限公司 | Resin glass fiber formula and resin glass fiber type tile prepared by same |
| CN104610651B (en) * | 2014-12-31 | 2019-07-12 | 上海第二工业大学 | A kind of chemical treatment abandoned printed circuit board non-metal powder/PP composite material and preparation method thereof |
| CN105524434A (en) * | 2016-01-19 | 2016-04-27 | 上海第二工业大学 | Organic acid-treated waste printed circuit board non-metallic powder/polyethylene glycol terephthalate composite material and preparation method thereof |
| CN105694239B (en) * | 2016-04-19 | 2017-10-27 | 常熟理工学院 | A kind of discarded printed circuit boards non-metal powder/ternary ethlene propyene rubbercompound material and preparation method thereof |
| CN106750915A (en) * | 2016-12-07 | 2017-05-31 | 盐城工学院 | Nonmetallic residue building element of waste and old printed circuit board and its preparation method and application |
| CN109306065B (en) * | 2018-08-28 | 2021-01-26 | 陕西理工大学 | Preparation method of PVC-based stone-plastic composite board surface mold pressing film |
| CN109467867A (en) * | 2018-10-23 | 2019-03-15 | 上海第二工业大学 | A kind of fiber glass waste reinforced ABS/HIPS plastic alloy material and preparation method thereof |
| CN110757682A (en) * | 2019-10-29 | 2020-02-07 | 中国科学院山西煤炭化学研究所 | Method for recycling waste circuit boards in full-component mode through two-step method |
| CN113563686A (en) * | 2021-08-02 | 2021-10-29 | 清远市东江环保技术有限公司 | Method for preparing composite material from waste circuit board nonmetal powder |
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