CN101279462B - Compound regenerated environment protecting sheet material and method of preparing the same - Google Patents
Compound regenerated environment protecting sheet material and method of preparing the same Download PDFInfo
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- CN101279462B CN101279462B CN2008100670722A CN200810067072A CN101279462B CN 101279462 B CN101279462 B CN 101279462B CN 2008100670722 A CN2008100670722 A CN 2008100670722A CN 200810067072 A CN200810067072 A CN 200810067072A CN 101279462 B CN101279462 B CN 101279462B
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- 239000004033 plastic Substances 0.000 claims abstract description 38
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- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 21
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 230000004927 fusion Effects 0.000 claims description 23
- 230000007613 environmental effect Effects 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 14
- 229920001169 thermoplastic Polymers 0.000 claims description 14
- 239000003063 flame retardant Substances 0.000 claims description 10
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- 244000025254 Cannabis sativa Species 0.000 claims description 5
- 241000209140 Triticum Species 0.000 claims description 5
- 235000021307 Triticum Nutrition 0.000 claims description 5
- 239000003340 retarding agent Substances 0.000 claims description 5
- 239000010902 straw Substances 0.000 claims description 5
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 2
- WQPDQJCBHQPNCZ-UHFFFAOYSA-N cyclohexa-2,4-dien-1-one Chemical compound O=C1CC=CC=C1 WQPDQJCBHQPNCZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 4
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- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
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- 239000000843 powder Substances 0.000 description 7
- 238000009747 press moulding Methods 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920001587 Wood-plastic composite Polymers 0.000 description 5
- 239000011155 wood-plastic composite Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
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- 238000003306 harvesting Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
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- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a composite regenerated environment-friendly plate and a preparation method. The composite regenerated eco-friendly plate consists of 20 percent to 50 percent of plastic and 50 percent to 80 percent of plant fiber in weight percentage; the plastic is a mixture of one or more thermoplactic plastic materials. The preparation method includes the steps that: the plastic and crushed plant fiber are mixed with each other and dried and then are subject to a first high-temperature stirring melting at the temperature ranging from 200 to 350 DEG C for 1 to 2 minutes for extrusion; the extruded mixtures go through second high-temperature stirring melting at the temperature ranging from 150 to 220 DEG C for 1 to 2 minutes and finally are subject to high-temperature oil-pressure molding at the temperature ranging from 80 to 130 DEG C. Being manufactured at the high temperature, the plates of the invention are not deformed at the high temperature ranging from 70 to 100 DEG C, do not swell if immersed in the water for 3 months, are the typical high-temperature resistant plates, have low cost, can be recycled in an economical and environmentally protective way, simultaneously solves the problems of insufficient wood resources and white pollution, can be extensively applied to the furniture manufacturing industry and construction industry, etc.
Description
Technical field
The invention belongs to environmental friendly regenerated material field, relate to a kind of compound regenerated environment protecting sheet material and preparation method thereof with resistance to elevated temperatures and feature of environmental protection that can recycling.
Background technology
Can include plastic cement high temperature plate, middle plate, wooden deck etc. by resistant to elevated temperatures sheet material in the market.Plastic cement high temperature sheet material wherein is to be raw material with the plastic cement that refines in the oil, and now in short supply day by day at crude resources, cost will increase gradually; In plate can not fire prevention, waterproof, mothproof, can not nailing, the holding capacity of tightening up a screw is low, screw can be slided gomphiasis and fell last second time, can not recycle and reclaim; The wooden deck is except that same existence fire prevention, waterproof, mothproof poor-performing and be difficult to circulate and reclaim the problem of using; particularly importantly not environmental protection; become the current of worldwide key subjects in environmental protection; felling for the protectiveness of trees is its emphasis; and the effective way that reduces the harvesting of wood reuses existing resource exactly, develops substitute for wood.
Meanwhile, also produce a large amount of discarded objects in the time of the extensive use of thermoplastic plastic's material product, this discarded object majority is difficult to natural decomposition, promptly is one of this consequence as white pollution, but this discarded object still has the value of utilizing again.
So it is composite to utilize discarded various natural fibers and recovery plastics to carry out, and produces various plastic-wood composite section and arises at the historic moment, and be widely used in industries such as garden architecture, transportation, decoration.Yet because natural fiber and recovery plastics all are combustibles, so fire-proof high-temperature resistant poor-performing.For improving the performance of this Wood plastic composite, No. 200610039985.4 application for a patent for invention of China proposed a kind of flame-resistant plastic-wood composite materials, it is to adopt environment amenable polyphosphoric acid amine as the fire retardant main body, by the composite flame-resistant plastic-wood composite materials of producing PP and base, oxygen index (OI) reaches 25-36%, can directly use as upholstery material; Though the fire protecting performance of this Wood plastic composite is largely improved, its resistance to elevated temperatures aspect still is short of to some extent, can not substitute original high temperature sheet material fully.
Therefore, the compound regenerated environment protecting sheet material of developing the feature of environmental protection with resistance to elevated temperatures and energy recycling promptly meets world today's development topic to substitute original high temperature sheet material fully, also has broad application prospects.
Summary of the invention
The present invention seeks to be unfavorable for environmental protection greatly in order to solve present timber cutting capacity, and the environmental protection of existing high temperature sheet material and the problem that regenerability is relatively poor, the Wood plastic composite resistance to elevated temperatures is short of to some extent, a kind of compound regenerated environment protecting sheet material with resistance to elevated temperatures and recovery capable of circulation is proposed, and this preparation of plates method, to substitute timber, reduce the cutting capacity of trees, promote environmental protection.
For reaching above-mentioned purpose, and the preparation method of the compound regenerated environment protecting sheet material that provides is to carry out according to following procedure of processing:
I, raw material is handled, and cleans thermoplastic plastic's material, and string is crushed to 20～30 orders;
II mixes oven dry, and the string after the plastic rubber material of above-mentioned cleaning and the pulverizing is mixed in proportion, dries not being higher than under 70 ℃ the temperature conditions;
III, for the first time high-temperature fusion stirs, and above-mentioned oven dry compound and environmental protection fire retarding agent and reinforcing material are put into the high-temperature fusion extruder together, under 220 ℃～300 ℃ temperature conditions, carries out the high-temperature stirring melting mixing and extrudes after 1～2 minute;
IV, high-temperature stirring for the second time, above-mentioned extruded stock enters the high-temperature stirring machine, under 150 ℃～220 ℃ temperature conditions, carries out secondary and stirs melting mixing 1～2 minute;
V, the high temperature oil pressure, above-mentioned through the second melting compound by hydraulic press, high temperature oil is molded, the oil pressure process temperature is controlled in 80 ℃～130 ℃ the scope, pressure limit is 100～500,000 newton.
Above-mentioned compound regenerated environment protecting sheet material, by plastic cement, string and can form with environmental protection fire retarding agent and reinforcing material that described plastic cement merges on a small quantity, wherein plastic cement and string constitute by following percentage by weight: 20%～50% plastic cement, 50%～80% string, described plastic cement is one or more the mixing in the thermoplastic plastic material, it is characterized in that: described thermoplastic plastic's material is for PE, PO, PVC, ABS, PP, PC or change in the benzene one or more; Described string is one or more in wood chip, wood shavings, leaf, leatheroid, grass blade, cavings or the wheat straw, described fire retardant can be selected deca-BDE, antimony oxide, aluminium hydroxide or flame retardant of magnesium hydroxide, and described reinforcing material is glass fibre or stone flour.
Compound regenerated environment protecting sheet material of the present invention is made through high temperature, and through 70 ℃～100 ℃ high temperature modification not, do not send out in three months through water logging and to rise, be typical high temperature resistant sheet material; The density height, wearability is good, and holding capacity is strong, and can dig, cut, saw, bore, nail etc., but the repeated multiple times unlikely stripped thread of tightening up a screw also; Raw material are easy to get, and cost is low, utilize existing worked timber waste material and leaf, grass blade etc., have reduced the timber utilization rate in a large number, have reduced the felling of trees, have solved the problem of timber resources anxiety; The utilization of waste and old plastic material has solved present ubiquitous white pollution problems simultaneously; Also all recycling uses of tailing in this sheet material processing, very economic environmental protection.And this sheet material is made the non-stimulated peculiar smell of disinfection through high temperature, human body is not had injury, the pollution of the also unmatchful air of manufacture process, water source environment etc.Thereby the environmental friendly regenerated poor-performing of existing high temperature sheet material existence and the problem of Wood plastic composite sheet material resistance to elevated temperatures shortcoming have been overcome, can substitute wooden boards in the larger context, be widely used in furniture manufacturing industry and building industry, as template, the plank that encloses street plate, fireproof door, fire-barrier ceiling, waterproof cabinet, moisture-proof floor, finishing usefulness, replacement toilet ceramic tile or the like, has vast market prospect.
The specific embodiment
High temperature sheet material of the present invention is to be made of following component: percentage by weight is 20%～50% plastic cement and 50%～80% string.
Wherein, plastic cement is thermoplastic plastic's material, the waste and old thermoplastic plastic's product that comprises new plastic and recovery, it can be the single kind plastic rubber material, also can be that multiple class plastic rubber material arbitrarily mixes, for example PE, PO, PVC, ABS, PP, PC, change benzene etc., wherein a kind of independent use also can be that multiple random mixing is used.Main waste and old plastic material to reclaim.
String comprise wood chip and (or) wood shavings etc., can also assist in addition fibroid materials such as leaf, leatheroid, grass blade, cavings, wheat straw.
Its procedure of processing is:
At first, raw material is handled, and cleans thermoplastic plastic's material, and string is crushed to 20～30 orders;
Second step, mix oven dry, the string after the plastic rubber material of above-mentioned cleaning and the pulverizing is mixed in proportion, dry not being higher than under 70 ℃ the temperature conditions;
In the 3rd step, high-temperature fusion stirs for the first time, and above-mentioned oven dry compound is put into the high-temperature fusion extruder, under 200 ℃～350 ℃ temperature conditions, carries out the high-temperature stirring melting mixing and extrudes after 1～2 minute;
The 4th step, high-temperature stirring for the second time, above-mentioned extruded stock enters the high-temperature stirring machine, under 150 ℃～220 ℃ temperature conditions, carries out secondary and stirs melting mixing 1～2 minute;
At last, the high temperature oil pressure, above-mentioned through the second melting compound by hydraulic press, high temperature oil is molded, the oil pressure process temperature is controlled in 80 ℃～130 ℃ the scope, pressure limit is 100～500,000 newton.
If strengthen a certain performance of this sheet material, can increase an amount of additive as required, this additive is fire retardant, reinforcing material or the other materials etc. that can merge with plastic cement.
Wherein fire retardant can be selected organic and inorganic fire retardants such as deca-BDE, antimony oxide, aluminium hydroxide, magnesium hydroxide, is that environmental protection fire retarding agent is optimal selection with bromine; The different an amount of increase and decrease of the consumption of fire retardant and plastic material just increases the consumption of fire retardant in right amount when being ABS such as raw material.
Reinforcing material can be selected glass fibre, stone flour etc.
Further specify the present invention below in conjunction with specific embodiment:
Embodiment one
At first raw material is handled, selected for use new PC plastics, wood dust is broken to 20 orders;
Second step, mix oven dry, be 20% PC plastics with above-mentioned weight ratio with weight ratio be that 80% wood chip mixes, under 40 ℃ condition, dry;
In the 3rd step, a high-temperature stirring fusion is put into the high-temperature fusion extruder with the compound of above-mentioned oven dry, extrudes after 1 minute in high-temperature stirring melting mixing under 200 ℃ the condition;
In the 4th step, the secondary high-temperature stirring enters the high-temperature stirring machine with above-mentioned extruded stock, stirs 90 seconds under 160 ℃ temperature conditions;
At last, this second melting compound is by the hydraulic press moulding, and the control temperature is that 80 ℃, oil pressure pressure are 500,000 Ns in the oil pressure process.
The above-mentioned composite board that makes has the good temperature resistance energy, and is indeformable through 70 ℃ high temperature, the water resistance height.
Embodiment two
At first raw material is handled, the various thermoplastics that include PE, PVC, PP etc. that reclaim are cleaned up, wood dust is broken to 30 orders;
Second step was 35% recovery plastic rubber material with above-mentioned weight ratio with weight ratio is that 64% wood chip mixes, and dries under 50 ℃ condition;
In the 3rd step, a high-temperature stirring fusion is put into the high-temperature fusion extruder with the compound of oven dry and the hydrogenation aluminium powder of weight ratio 1%, extrudes after 1 minute in high-temperature stirring melting mixing under 300 ℃ the condition;
The 4th step, the secondary high-temperature stirring, extruded stock enters the high-temperature stirring machine, stirs 60 seconds under 180 ℃ temperature conditions;
This second melting compound is by the hydraulic press moulding at last, and temperature is set at 130 ℃ in the oil pressure process, and oil pressure pressure is 400,000 Ns.
The above-mentioned composite board that makes can be through 70 ℃ of high temperature be indeformable except that having the good temperature resistance energy, and intensity also has raising, also possesses excellent fireproof performance simultaneously.
Embodiment three
At first raw material is handled, various thermoplastic plastics' material such as the PE, the ABS that reclaim, PO are cleaned up, wood chip and wood shavings mixed powder are broken to 20 purpose fine powders;
Second step was 39% recovery mixing plastic rubber material with above-mentioned weight ratio with weight ratio is that 59% fine powder mixes, and dries under 58 ℃ condition;
In the 3rd step, a high-temperature stirring fusion is put into the high-temperature fusion extruder jointly with the compound of above-mentioned oven dry and the deca-BDE of weight ratio 2%, extrudes after 2 minutes in high-temperature fusion under 350 ℃ the condition;
The 4th step, the secondary high-temperature stirring, above-mentioned extruded stock enters the high-temperature stirring machine, stirs 1 minute under 220 ℃ condition;
This second melting compound is by the hydraulic press moulding at last, and the temperature in the oil pressure process is 90 ℃, and oil pressure pressure is 250,000 Ns.
The above-mentioned composite board that makes can be through 80 ℃ of high temperature be indeformable except that having the good temperature resistance energy, the intensity height, and fire protecting performance is good.
Embodiment four
At first raw material is handled, various thermoplastic plastics' material such as the PP, the BOPP that reclaim, PC are cleaned up, wood chip, leaf, wheat straw mixed powder are broken to 20 order fine powders;
Second step was 40% recovery plastic rubber material with above-mentioned weight ratio with weight ratio is that 59% fine powder mixes, and dries under 65 ℃ condition;
In the 3rd step, a high-temperature stirring fusion is put into the high-temperature fusion extruder jointly with the compound of above-mentioned oven dry and the glass fibre of weight ratio 1%, extrudes after 2 minutes in high-temperature fusion under 280 ℃ the condition;
The 4th step, the secondary high-temperature stirring, above-mentioned extruded stock enters the high-temperature stirring machine, stirs 1 minute under 200 ℃ condition;
This second melting compound is by the hydraulic press moulding at last, and the temperature in the oil pressure process is 130 ℃, and oil pressure pressure is 280,000 Ns.
The above-mentioned composite board that makes can be through 100 ℃ of high temperature be indeformable except that having good temperature resistance, and the intensity height also possesses good wear-resisting, waterproof, anti crack performance simultaneously.
Embodiment five
At first raw material is handled, cleaned PC, PE compound, leaf, wheat straw, grass blade mixed powder are broken to 20 purpose fine powders;
Second step was 38% recovery mixing plastic rubber material with above-mentioned weight ratio with weight ratio is that 62% fine powder mixes, and dries under 40 ℃ condition;
In the 3rd step, a high-temperature stirring fusion is put into the high-temperature fusion extruder with the compound of above-mentioned oven dry, extrudes after high-temperature fusion under 220 ℃ the condition is mixed 1 minute;
The 4th step, the secondary high-temperature stirring, above-mentioned extruded stock enters the high-temperature stirring machine, and secondary mixes stirring 2 minutes under 150 ℃ condition;
This second melting compound is by the hydraulic press moulding at last, and the temperature in the oil pressure process is 90 ℃, and oil pressure pressure is 320,000 Ns.
The above-mentioned composite board that makes has excellent waterproof, mothproof, resistance to elevated temperatures.
Embodiment six
At first raw material is handled, various thermoplastic plastic's material such as PC, the OPP etc. that reclaim are cleaned up, wood dust is broken to 30 orders;
Second step was 50% recovery mixing plastic rubber material with above-mentioned weight ratio with weight ratio is that 50% wood chip mixes, and dries under 70 ℃ condition;
In the 3rd step, a high-temperature stirring fusion is put into the high-temperature fusion extruder with the compound of above-mentioned oven dry, extrudes after high-temperature fusion under 280 ℃ the condition is mixed 90 seconds;
The 4th step, the secondary high-temperature stirring, above-mentioned extruded stock enters the high-temperature stirring machine, and secondary mixes stirring 90 seconds under 180 ℃ condition;
This second melting compound is by the hydraulic press moulding at last, and the temperature in the oil pressure process is set at 130 ℃, and oil pressure pressure is 110,000 Ns.
The above-mentioned composite board that makes can be through 90 ℃ of high temperature be indeformable except that having the good temperature resistance energy, the density height, and bearing capacity is strong; Anti-wear performance is good, also has good non-skid property.
Embodiment seven
At first the tailing after the former composite board processing that will make or waste and old this composite of recovery are cleaned and pulverize, dry then, the drying course temperature is controlled in 70 ℃;
Carry out high-temperature stirring after the oven dry one time, in the high-temperature fusion extruder, under 220 ℃ the temperature conditions, stir melting mixing and extrude after 1 minute;
Then enter the high-temperature stirring machine, under 180 ℃ temperature conditions, secondary stirs melting mixing and enters the high temperature oil press after 1 minute, the control temperature at 80 ℃, pressure under 150,000 Ns condition, the oil pressure moulding.
So far, the tailing of this composite board post-production and waste and old reclaimed materials have been realized regeneration, can not cause the waste of material fully, very are environmental protection and energy saving.
The compound regenerated environment protecting sheet material that makes through said method is made through high temperature, have fire prevention, waterproof, function such as mothproof, and recovery capable of circulation is used; The density height, wear-resistant, holding capacity is strong; Raw material are easy to get, and are lower than other product costs of the same trade, both alleviated the anxiety of timber resources, solved present ubiquitous white pollution problems again, very economic environmental protection; And, human body is not had injury through the non-stimulated peculiar smell of high temperature manufacturing disinfection, do not cause new pollution in the manufacture process; Overcome the environmental friendly regenerated poor-performing of existing high temperature sheet material existence and the problem of Wood plastic composite sheet material resistance to elevated temperatures shortcoming, can substitute wooden boards in the larger context,
Compound regenerated environment protecting sheet material of the present invention has following characteristics:
The first, environmental-protecting performance is very outstanding, and not only raw material are taken from waste and scrap, and all recycling uses of the tailing that cuts out in process of production, can not cause the waste of resource;
The second, typical high temperature resistant sheet material, the performance that discharges water is strong, can be through 70 ℃～100 ℃ high temperature modification not, do not send out in 3 months through water logging and to rise;
The 3rd, possesses good processing characteristics, can dig, cut, saw, bore, follow closely, can customize big or small thickness as required, also can make certain curvature, arc, the plate face also can paste woodgrained paper and any color offset plate face, can also carve this sheet material, patterns such as the engraving lace as solid wood, paint is easily painted and to eat the lacquer amount few simultaneously;
The 4th, assembly performance is good, can repeat repeatedly to tighten up a screw unlikely stripped thread.
The existence of These characteristics, make sheet material of the present invention can substitute wooden boards in the larger context, can be widely used in furniture manufacturing industry and building industry, such as building template, the plank that encloses street plate, fireproof door, fire-barrier ceiling, waterproof cabinet, moisture-proof floor, finishing usefulness, replacement toilet ceramic tile or the like, and can substitute original high temperature plate fully.
The above only is a preferable possible embodiments of the present invention, and non-so limitation protection scope of the present invention so the equivalence techniques that uses specification of the present invention to do such as changes, all is contained in protection scope of the present invention.
Claims (2)
1. the preparation method of a compound regenerated environment protecting sheet material is to carry out according to following procedure of processing:
I, raw material is handled, and cleans thermoplastic plastic's material, and string is crushed to 20～30 orders;
II mixes oven dry, and the string after the plastic rubber material of above-mentioned cleaning and the pulverizing is mixed in proportion, dries not being higher than under 70 ℃ the temperature conditions;
III, for the first time high-temperature fusion stirs, and above-mentioned oven dry compound and environmental protection fire retarding agent and reinforcing material are put into the high-temperature fusion extruder together, under 220 ℃～300 ℃ temperature conditions, carries out the high-temperature stirring melting mixing and extrudes after 1～2 minute;
IV, high-temperature stirring for the second time, above-mentioned extruded stock enters the high-temperature stirring machine, under 150 ℃～220 ℃ temperature conditions, carries out secondary and stirs melting mixing 1～2 minute;
V, the high temperature oil pressure, above-mentioned through the second melting compound by hydraulic press, high temperature oil is molded, the oil pressure process temperature is controlled in 80 ℃～130 ℃ the scope, pressure limit is 100～500,000 newton.
2. the compound regenerated environment protecting sheet material of the method for claim 1 preparation, by plastic cement, string and can form with environmental protection fire retarding agent and reinforcing material that described plastic cement merges on a small quantity, wherein plastic cement and string constitute by following percentage by weight: 20%～50% plastic cement, 50%～80% string, described plastic cement is one or more the mixing in the thermoplastic plastic material, it is characterized in that: described thermoplastic plastic's material is for PE, PO, PVC, ABS, PP, PC or change in the benzene one or more; Described string is one or more in wood chip, wood shavings, leaf, leatheroid, grass blade, cavings or the wheat straw, described fire retardant can be selected deca-BDE, antimony oxide, aluminium hydroxide or flame retardant of magnesium hydroxide, and described reinforcing material is glass fibre or stone flour.
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| CN2008100670722A CN101279462B (en) | 2008-05-04 | 2008-05-04 | Compound regenerated environment protecting sheet material and method of preparing the same |
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| CN2008100670722A CN101279462B (en) | 2008-05-04 | 2008-05-04 | Compound regenerated environment protecting sheet material and method of preparing the same |
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| CN101279462A CN101279462A (en) | 2008-10-08 |
| CN101279462B true CN101279462B (en) | 2010-12-29 |
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|---|---|---|---|---|
| CN101871252B (en) * | 2009-04-24 | 2013-11-13 | 李春光 | Environment-friendly cotton cloth plate for construction and decoration and preparation method thereof |
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| CN111168803A (en) * | 2019-12-31 | 2020-05-19 | 嘉兴市集美新材料科技有限公司 | Environment-friendly waterproof high-strength artificial board and manufacturing method thereof |
| CN113956675A (en) * | 2021-10-19 | 2022-01-21 | 安徽同心林塑胶科技有限公司 | Environment-friendly plant modified household multipurpose board |
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2008
- 2008-05-04 CN CN2008100670722A patent/CN101279462B/en not_active Expired - Fee Related
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| CN101279462A (en) | 2008-10-08 |
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