CN106863964B - A kind of utilization method of electron wastes housing plastic and stalk - Google Patents

A kind of utilization method of electron wastes housing plastic and stalk Download PDF

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Publication number
CN106863964B
CN106863964B CN201710080552.1A CN201710080552A CN106863964B CN 106863964 B CN106863964 B CN 106863964B CN 201710080552 A CN201710080552 A CN 201710080552A CN 106863964 B CN106863964 B CN 106863964B
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supporting layer
puigging
insulating layer
environment
plastic
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CN106863964A (en
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薛健飞
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Dragon Totem Technology Hefei Co ltd
Guangdong Kangyi Ecological Technology Co.,Ltd.
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Changzhou University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56—Damping, energy absorption
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The utilization method of a kind of electron wastes housing plastic and stalk of the invention, prepares the first supporting layer, puigging, insulating layer and the second supporting layer first；Then environment-protective adhesive or hot melt adhesive are smeared in any one side of the first supporting layer glue spreader；Puigging is bonded on smearing the first supporting layer after environment-protective adhesive or hot melt adhesive；Environment-protective adhesive or hot melt adhesive are smeared in puigging upper surface with glue spreader；Insulating layer is bonded on smearing the puigging after environment-protective adhesive or hot melt adhesive；Environment-protective adhesive or hot melt adhesive are smeared in insulating layer upper surface with glue spreader；The second supporting layer is bonded on smearing the insulating layer after environment-protective adhesive or hot melt adhesive；Novel heat-preserving and sound-insulating composite plate is cut into after traction 4~6Mpa of roller press pressure rolling.

Description

A kind of utilization method of electron wastes housing plastic and stalk
Technical field
The present invention relates to environmental technology field, the utilization method of especially a kind of electron wastes housing plastic and stalk.
Background technique
Electron wastes are also known as electronic waste, refer to the discarded electric appliance and electronic equipment not used.With science and technology Fast development, the high-tech products such as computer, TV, refrigerator, mobile phone update time it is shorter and shorter, a large amount of electronic products It is just eliminated in a short time, becomes electron wastes, wherein using television set, washing machine, refrigerator, air-conditioning, computer as representative Big household electrical appliances occupy great quantity.China has become the second largest electronic waste generation state for being only second to the U.S..Plastics are as electricity The important raw material of device electronic product will generate apparent environmental pollution and ecology if arbitrarily abandoning, burning or filling it It destroys；And plastics are a kind of renewable resources, carrying out regeneration to the plastics in electron wastes has significant economic effect Benefit and environmental benefit.
Sight is turned to resourceful wheat with the scarcity of wood raw material, people as world forest resources is reduced increasingly The non-timbers biomass resources such as straw, corn stover, cotton stalk, sorghum stalk, to alleviate the timber resources matter of great urgency in short supply, especially In the country of the such forest reserves scarcity in China, the incineration loss of biomass resource how is reduced, is realized to biomass resource Comprehensive utilization, is current urgent task.People develop using biomass as primary raw material and a series of meet human lives and Sheng The composite wood product of production, wherein most important multiple including various biomass straw wood-based plates, biomass straw-thermosetting polymer Condensation material and biomass straw-thermoplastic plastic's composite material.But traditional biomass artificial board of straw physical and mechanical property It is lower, heat preservation and soundproof performance is poor, be badly in need of new preparation process and method.
Summary of the invention
The technical solution adopted by the present invention to solve the technical problems is: a kind of electron wastes housing plastic of the invention With the utilization method of stalk, including two big steps: the preparation of the first supporting layer, puigging, insulating layer and the second supporting layer；First The bonding and rolling of supporting layer, puigging, insulating layer and the second supporting layer.
The preparation of first supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 25~30%:50 in mass ratio~55%:5%:5%:5%:5% is wood-fibred, plastic grain, maleic acid Acid anhydride graft polypropylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 180~190 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the first supporting layer is made.
The preparation of the puigging: using ldpe resin, crosslinking agent and foaming agent through the continuous foamed system of high temperature At.
The making step of the insulating layer are as follows:
1. crop material is gathered in, is dried, the crop material after sunning is crushed, screening；
2. the crop material after screening is dried under the conditions of 103~105 DEG C；
3. being dried after the cleaning of electron wastes housing plastic；Electron wastes housing plastic after drying is crushed granulating Diameter is less than the plastic grain of 3mm；
4. 30~45%:45 in mass ratio~60%:5%:5% is crop material, plastic grain, phenolic resin gluing Agent, coupling agent are mixed；
5. hot pressing is mated formation under the conditions of 180~190 DEG C mixture；
6. hot pressing is mated formation, plate is cooling, cuts, and insulating layer finished product is made.
The preparation of second supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 25~30%:50 in mass ratio~55%:5%:5%:5%:5% is wood-fibred, plastic grain, maleic acid Acid anhydride graft polypropylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 180~190 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the second supporting layer is made.
First supporting layer, puigging, insulating layer and the second supporting layer bonding and rolling step are as follows:
1. smearing environment-protective adhesive or hot melt adhesive in any one side of the first supporting layer glue spreader first；
2. being bonded puigging on smearing the first supporting layer after environment-protective adhesive or hot melt adhesive；
3. smearing environment-protective adhesive or hot melt adhesive in puigging upper surface with glue spreader；
4. being bonded insulating layer on smearing the puigging after environment-protective adhesive or hot melt adhesive；
5. smearing environment-protective adhesive or hot melt adhesive in insulating layer upper surface with glue spreader；
6. being bonded the second supporting layer on smearing the insulating layer after environment-protective adhesive or hot melt adhesive；
7. being cut into novel heat-preserving and sound-insulating composite plate after traction 4~6Mpa of roller press pressure rolling.
The beneficial effects of the invention are as follows being raw material using electron wastes housing plastic and crop material, novel guarantor is prepared Warm isolating composite plate, the novel heat-preserving and sound-insulating composite plate sound absorption, sound insulation, damping property are strong, and heat insulating ability is high, and pull resistance is strong, and popularization is answered With the novel heat-preserving and sound-insulating composite plate, electron wastes housing plastic and crop material processing and disposal difficulties can be solved, are reduced The atmosphere pollution that waste plastics and crop material burning generate, protects environment, has considerable environmental benefit, economic benefit and society It can benefit.
Specific embodiment
Embodiment 1
A kind of utilization method of electron wastes housing plastic and stalk, including two big steps: the first supporting layer, sound insulation The preparation of layer, insulating layer and the second supporting layer；The bonding and rolling of first supporting layer, puigging, insulating layer and the second supporting layer.
The preparation of first supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 25%:55%:5%:5%:5%:5% in mass ratio is grafted wood-fibred, plastic grain, maleic anhydride poly- Propylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 180 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the first supporting layer is made.
The preparation of the puigging: using ldpe resin, crosslinking agent and foaming agent through the continuous foamed system of high temperature At.
The making step of the insulating layer are as follows:
1. crop material is gathered in, is dried, the crop material after sunning is crushed, screening；
2. the crop material after screening is dried under the conditions of 103 DEG C；
3. being dried after the cleaning of electron wastes housing plastic；Electron wastes housing plastic after drying is crushed granulating Diameter is less than the plastic grain of 3mm；
4. 30%:60%:5%:5% in mass ratio is crop material, plastic grain, phenolic resin adhesive, coupling agent It is mixed；
5. hot pressing is mated formation under the conditions of 180 DEG C mixture；
6. hot pressing is mated formation, plate is cooling, cuts, and insulating layer finished product is made.
The preparation of second supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 28%:52%:5%:5%:5%:5% in mass ratio is grafted wood-fibred, plastic grain, maleic anhydride poly- Propylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 185 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the second supporting layer is made.
First supporting layer, puigging, insulating layer and the second supporting layer bonding and rolling step are as follows:
1. smearing environment-protective adhesive in any one side of the first supporting layer glue spreader first；
2. being bonded puigging on smearing the first supporting layer after environment-protective adhesive；
3. smearing environment-protective adhesive in puigging upper surface with glue spreader；
4. being bonded insulating layer on smearing the puigging after environment-protective adhesive；
5. smearing environment-protective adhesive in insulating layer upper surface with glue spreader；
6. being bonded the second supporting layer on smearing the insulating layer after environment-protective adhesive；
7. being cut into novel heat-preserving and sound-insulating composite plate after traction roller press 4Mpa pressure rolling.
Embodiment 2
The utilization method of a kind of electron wastes housing plastic and stalk of the invention, including two big steps: the first support The preparation of layer, puigging, insulating layer and the second supporting layer；The bonding of first supporting layer, puigging, insulating layer and the second supporting layer With rolling.
The preparation of first supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 26%:54%:5%:5%:5%:5% in mass ratio is grafted wood-fibred, plastic grain, maleic anhydride poly- Propylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 190 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the first supporting layer is made.
The preparation of the puigging: using ldpe resin, crosslinking agent and foaming agent through the continuous foamed system of high temperature At.
The making step of the insulating layer are as follows:
1. crop material is gathered in, is dried, the crop material after sunning is crushed, screening；
2. the crop material after screening is dried under the conditions of 103 DEG C；
3. being dried after the cleaning of electron wastes housing plastic；Electron wastes housing plastic after drying is crushed granulating Diameter is less than the plastic grain of 3mm；
4. 35%:55%:5%:5% in mass ratio is crop material, plastic grain, phenolic resin adhesive, coupling agent It is mixed；
5. hot pressing is mated formation under the conditions of 185 DEG C mixture；
6. hot pressing is mated formation, plate is cooling, cuts, and insulating layer finished product is made.
The preparation of second supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 29%:51%:5%:5%:5%:5% in mass ratio is grafted wood-fibred, plastic grain, maleic anhydride poly- Propylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 190 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the second supporting layer is made.
First supporting layer, puigging, insulating layer and the second supporting layer bonding and rolling step are as follows:
1. smearing hot melt adhesive in any one side of the first supporting layer glue spreader first；
2. being bonded puigging on smearing the first supporting layer after hot melt adhesive；
3. smearing hot melt adhesive in puigging upper surface with glue spreader；
4. being bonded insulating layer on smearing the puigging after hot melt adhesive；
5. smearing hot melt adhesive in insulating layer upper surface with glue spreader；
6. being bonded the second supporting layer on smearing the insulating layer after hot melt adhesive；
7. being cut into novel heat-preserving and sound-insulating composite plate after traction 4~6Mpa of roller press pressure rolling.
Embodiment 3
The utilization method of a kind of electron wastes housing plastic and stalk of the invention, including two big steps: the first support The preparation of layer, puigging, insulating layer and the second supporting layer；The bonding of first supporting layer, puigging, insulating layer and the second supporting layer With rolling.
The preparation of first supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 30%:50%:5%:5%:5%:5% in mass ratio is grafted wood-fibred, plastic grain, maleic anhydride poly- Propylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 188 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the first supporting layer is made.
The preparation of the puigging: using ldpe resin, crosslinking agent and foaming agent through the continuous foamed system of high temperature At.
The making step of the insulating layer are as follows:
1. crop material is gathered in, is dried, the crop material after sunning is crushed, screening；
2. the crop material after screening is dried under the conditions of 104 DEG C；
3. being dried after the cleaning of electron wastes housing plastic；Electron wastes housing plastic after drying is crushed granulating Diameter is less than the plastic grain of 3mm；
4. 36%:54%:5%:5% in mass ratio is crop material, plastic grain, phenolic resin adhesive, coupling agent It is mixed；
5. hot pressing is mated formation under the conditions of 180 DEG C mixture；
6. hot pressing is mated formation, plate is cooling, cuts, and insulating layer finished product is made.
The preparation of second supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, Antioxidant ST-KY-1010 drying；
(4) 27%:53%:5%:5%:5%:5% in mass ratio is grafted wood-fibred, plastic grain, maleic anhydride poly- Propylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 185 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the second supporting layer is made.
First supporting layer, puigging, insulating layer and the second supporting layer bonding and rolling step are as follows:
1. smearing environment-protective adhesive in any one side of the first supporting layer glue spreader first；
2. being bonded puigging on smearing the first supporting layer after environment-protective adhesive；
3. smearing environment-protective adhesive in puigging upper surface with glue spreader；
4. being bonded insulating layer on smearing the puigging after environment-protective adhesive；
5. smearing environment-protective adhesive in insulating layer upper surface with glue spreader；
6. being bonded the second supporting layer on smearing the insulating layer after environment-protective adhesive；
7. being cut into novel heat-preserving and sound-insulating composite plate after traction roller press 6Mpa pressure rolling.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (1)

1. a kind of utilization method of electron wastes housing plastic and stalk, it is characterised in that: the method includes two big steps: 1. the preparation of the first supporting layer, puigging, insulating layer and the second supporting layer；2. the first supporting layer, puigging, insulating layer and second The bonding and rolling of supporting layer；
The preparation of first supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, antioxygen Agent ST-KY-1010 drying；
(4) 25~30%:50 in mass ratio~55%:5%:5%:5%:5% connects wood-fibred, plastic grain, maleic anhydride Branch polypropylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 180~190 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the first supporting layer is made；
The preparation of puigging: it is made using ldpe resin, crosslinking agent and foaming agent through high temperature is continuous foamed；
The preparation of insulating layer:
1. crop material is gathered in, is dried, the crop material after sunning is crushed, screening；
2. the crop material after screening is dried under the conditions of 103~105 DEG C；
3. being dried after the cleaning of electron wastes housing plastic；It is small that electron wastes housing plastic after drying is broken into partial size In the plastic grain of 3mm；
4. 30~45%:45 in mass ratio~60%:5%:5% is crop material, plastic grain, phenolic resin adhesive, idol Join agent to be mixed；
5. hot pressing is mated formation under the conditions of 180~190 DEG C mixture；
6. hot pressing is mated formation, plate is cooling, cuts, and insulating layer finished product is made；
The preparation of second supporting layer:
(1) it is dried after electron wastes housing plastic being cleaned；
(2) the electron wastes housing plastic after drying is broken into the plastic grain that partial size is less than 3mm；
(3) wood-fibred, maleic anhydride inoculated polypropylene, ethylene-octene copolymer, s-B-S, antioxygen Agent ST-KY-1010 drying；
(4) 25~30%:50 in mass ratio~55%:5%:5%:5%:5% connects wood-fibred, plastic grain, maleic anhydride Branch polypropylene, ethylene-octene copolymer, s-B-S, antioxidant ST-KY-1010 are mixed；
(5) mixture, hot pressing is mated formation under the conditions of 180~190 DEG C；
(6) hot pressing is mated formation, and plate is cooling, cuts, and the second supporting layer is made；
First supporting layer, puigging, insulating layer and the second supporting layer bonding and rolling step are as follows:
1. smearing environment-protective adhesive or hot melt adhesive in any one side of the first supporting layer glue spreader first；
2. being bonded puigging on smearing the first supporting layer after environment-protective adhesive or hot melt adhesive；
3. smearing environment-protective adhesive or hot melt adhesive in puigging upper surface with glue spreader；
4. being bonded insulating layer on smearing the puigging after environment-protective adhesive or hot melt adhesive；
5. smearing environment-protective adhesive or hot melt adhesive in insulating layer upper surface with glue spreader；
6. being bonded the second supporting layer on smearing the insulating layer after environment-protective adhesive or hot melt adhesive；
7. being cut into novel heat-preserving and sound-insulating composite plate after traction 4~6Mpa of roller press pressure rolling.
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