CN110497668A - Heat-preservation and heat-insulation wood-plastic wall board and forming method thereof - Google Patents
Heat-preservation and heat-insulation wood-plastic wall board and forming method thereof Download PDFInfo
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- CN110497668A CN110497668A CN201910802927.XA CN201910802927A CN110497668A CN 110497668 A CN110497668 A CN 110497668A CN 201910802927 A CN201910802927 A CN 201910802927A CN 110497668 A CN110497668 A CN 110497668A
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- 239000004033 plastic Substances 0.000 title claims abstract description 31
- 229920003023 plastic Polymers 0.000 title claims abstract description 31
- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004321 preservation Methods 0.000 title abstract 3
- 239000010410 layer Substances 0.000 claims abstract description 54
- 239000002344 surface layer Substances 0.000 claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 25
- -1 polypropylene Polymers 0.000 claims abstract description 24
- 239000007822 coupling agent Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 18
- 229920001155 polypropylene Polymers 0.000 claims abstract description 18
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 239000012764 mineral filler Substances 0.000 claims abstract description 10
- 239000002023 wood Substances 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 241000196324 Embryophyta Species 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 150000004645 aluminates Chemical class 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 3
- 229930188012 Bromoether Natural products 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 3
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 3
- HJCMMOODWZOXML-UHFFFAOYSA-N bromo hypobromite Chemical compound BrOBr HJCMMOODWZOXML-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 239000001993 wax Substances 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000010815 organic waste Substances 0.000 claims description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical group CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 claims 2
- 238000005660 chlorination reaction Methods 0.000 claims 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 claims 1
- 239000011863 silicon-based powder Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 13
- 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 abstract 1
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 229920001587 Wood-plastic composite Polymers 0.000 description 3
- 239000011155 wood-plastic composite Substances 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229960001866 silicon dioxide Drugs 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- 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
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
Landscapes
- 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)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a heat-preservation and heat-insulation wood-plastic wall board which comprises an inner layer and a surface layer coated on the surface of the inner layer, wherein the surface layer is coated on the surface of the inner layer through a co-extrusion process, and the inner layer comprises the following raw materials in parts by weight: 55-65 parts of polypropylene, 55-65 parts of plant fiber powder, 4-6 parts of coupling agent I, 2-4 parts of lubricant, 12-14 parts of flame retardant and 6-8 parts of mineral filler; the surface layer comprises the following raw materials in parts by weight: 12-15 parts of ethylene propylene diene monomer, 6-8 parts of polypropylene, 1-3 parts of coupling agent II and 3-5 parts of silicon dioxide powder. According to the invention, the inner layer is wrapped by the heat-insulating surface layer, the components and the content of the inner layer are not affected, and the heat-insulating capability of the wood-plastic wall board is improved on the premise of not changing the excellent performance of the wood-plastic material; the surface layer adopts ethylene propylene diene monomer as a main component, and has excellent heat preservation and heat insulation performance; the polypropylene is used as an auxiliary material, so that the combination tightness of the inner layer and the surface layer is improved.
Description
Technical field
The present invention relates to the wood plastic wall plates and its molding side of Wood-plastic material technical field more particularly to a kind of insulation
Method.
Background technique
Wood plastic composite (WPC) is a kind of green material of rising in recent years, and this composite material is by agricultural
Waste (such as wood powder, bamboo powder, chaff powder plant fiber) and plastics carry out compound according to a certain ratio, and add corresponding additive through height
Made from warm high pressure, product is mainly used as the substitute of timber.Compared with traditional timber, wood plastic composite, which has, not to be stuck up
It is bent, do not crack, good stability of the dimension, easy processing, it is anti-mildew, be not afraid of damage by worms, acid and alkali-resistance, it is at low cost the advantages that, in recent years, wood moulding
Composite material is more and more widely used with its green environmental protection and its distinctive performance, and yield quickly increases year by year
It is long.
Heat-insulation wall plate is made applied in frame structure system in Wood-plastic material, this be not only Wood-plastic material is important
Developing direction provides new thinking also for wall reform.Based on this, how to design a kind of insulation wood plastic wall plate and
Its forming method is the technical problems to be solved by the invention.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the wood plastic wall plates and its forming method of a kind of insulation.
The present invention is realized by following technological means solves above-mentioned technical problem:
A kind of wood plastic wall plate of insulation, including internal layer and the surface layer for being coated on internal layer surface, the surface layer passes through
Coextrusion process is coated on internal layer surface,
The internal layer includes following raw material: polypropylene 55-65, plant fiber powder 55-65, I 4-6 of coupling agent,
Lubricant 2-4, fire retardant 12-14, mineral filler 6-8；
The surface layer includes following raw material: ethylene propylene diene rubber 12-15, polypropylene 6-8, II 1-3 of coupling agent, two
Silica powder 3-5.
Preferably, in the plant fiber powder wood powder, bamboo powder, chaff powder, straw powder or other agriculture and forestry organic waste material powder
It is any.
Preferably, the coupling agent I is solid aluminate or titanate ester；The coupling agent II is solid aluminate
Or titanate ester.
Preferably, the lubricant is the mixing of one or more of stearic acid, PE wax or calcium stearate.
Preferably, the fire retardant is chlorinated paraffin, eight bromo ether, antimony oxide, tricresyl phosphate (2- chloroethyl) ester or more
One of ammonium polyphosphate.
Preferably, the mineral filler is the mixing of calcium carbonate, talcum powder, wollastonite, kaolinic one or more.
A kind of forming method of the wood plastic wall plate of insulation, comprising the following steps:
(1) internal layer raw material is added in high-speed mixer, is added in parallel double-screw extruder after mixing, in temperature
160~170 DEG C, be kneaded under 70~90r/min of revolving speed, squeeze out, be granulated, cooling down, obtain interior layered material particle；
(2) face stock is added in high-speed mixer, is added in parallel double-screw extruder after mixing, in temperature
180~190 DEG C, be kneaded under 70~90r/min of revolving speed, squeeze out, be granulated, cooling down, obtain capstock particle；
(3) interior layered material particle is added twin-screw extrude, temperature be 180~190 DEG C under the conditions of melting extrusion extremely
In co-extruding mould runner；Capstock particle is added twin-screw extrude, melting is squeezed under the conditions of temperature is 190~200 DEG C
Out into co-extruding mould runner；Interior layered material and capstock after melting converge in double-layer coextrusion mold, are coated on surface layer interior
Layer surface finally enters cooling in cooling trough subsequently into being formed in stock mould.
The present invention has the advantages that the present invention passes through the surface layer wrapping inner layer of insulation, inner layer material ingredient and content
It is unaffected, under the premise of not changing Wood-plastic material excellent performance, improve the insulation ability of wood plastic wall plate；Surface layer is adopted
It is main component with ethylene propylene diene rubber, thermal and insulating performance is excellent；It is auxiliary material using polypropylene, on the one hand to ethylene-propylene-diene monomer
Glue is modified, and the intrinsic characteristic of ethylene propylene diene rubber is still retained in performance, but also with significant thermoplastic
Injection squeezes out, the processing performance of blow molding and calendering formation, improves the processing performance of surface layer and is tightly combined journey with internal layer
Degree；On the other hand, surface layer and internal layer all use pp material, in extrusion molding, further internal layer and the surface layer of improving
Bonding tightness.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in the embodiment of the present invention
Technical solution is clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1, a kind of wood plastic wall plate of insulation are described including internal layer and the surface layer for being coated on internal layer surface
Surface layer is coated on internal layer surface by coextrusion process,
The internal layer includes following raw material: polypropylene 55, plant fiber powder 55, coupling agent I 4, lubricant 2,
Fire retardant 12, mineral filler 6；
The surface layer includes following raw material: ethylene propylene diene rubber 12, polypropylene 6, coupling agent II 1, silica
Powder 3.
Embodiment 2, a kind of wood plastic wall plate of insulation are described including internal layer and the surface layer for being coated on internal layer surface
Surface layer is coated on internal layer surface by coextrusion process,
The internal layer includes following raw material: polypropylene 60, plant fiber powder 60, coupling agent I 5, lubricant 3,
Fire retardant 13, mineral filler 7；
The surface layer includes following raw material: ethylene propylene diene rubber 13, polypropylene 7, coupling agent II 2, silica
Powder 4.
Embodiment 3, a kind of wood plastic wall plate of insulation are described including internal layer and the surface layer for being coated on internal layer surface
Surface layer is coated on internal layer surface by coextrusion process,
The internal layer includes following raw material: polypropylene 65, plant fiber powder 65, coupling agent I 6, lubricant 4,
Fire retardant 14, mineral filler 8；
The surface layer includes following raw material: ethylene propylene diene rubber 15, polypropylene 8, coupling agent II 3, silica
Powder 5.
Embodiment 4, a kind of wood plastic wall plate of insulation are described including internal layer and the surface layer for being coated on internal layer surface
Surface layer is coated on internal layer surface by coextrusion process,
The internal layer includes following raw material: polypropylene 65, plant fiber powder 65, coupling agent I 6, lubricant 4,
Fire retardant 14, mineral filler 8；
The surface layer includes following raw material: polypropylene 8, coupling agent II 3, silicon-dioxide powdery 5.
Embodiment 5, a kind of wood plastic wall plate of insulation are described including internal layer and the surface layer for being coated on internal layer surface
Surface layer is coated on internal layer surface by coextrusion process,
The internal layer includes following raw material: polypropylene 65, plant fiber powder 65, coupling agent I 6, lubricant 4,
Fire retardant 14, mineral filler 8；
The surface layer includes following raw material: ethylene propylene diene rubber 15, coupling agent II 3, silicon-dioxide powdery 5.
In above-mentioned each embodiment, the plant fiber powder wood powder, bamboo powder, chaff powder, straw powder or other agricultural are discarded
Any one of object powder；The coupling agent I is solid aluminate or titanate ester；The coupling agent II is solid Aluminate
Class or titanate ester；The lubricant is the mixing of one or more of stearic acid, PE wax or calcium stearate；The fire retardant
For chlorinated paraffin, eight bromo ether, antimony oxide, tricresyl phosphate (2- chloroethyl) one of ester or ammonium polyphosphate；The mineral
Matter filler is the mixing of calcium carbonate, talcum powder, wollastonite, kaolinic one or more.
The forming method of the wood plastic wall plate of above-mentioned insulation, comprising the following steps:
(1) internal layer raw material is added in high-speed mixer, is added in parallel double-screw extruder after mixing, in temperature
165 DEG C, be kneaded under revolving speed 80r/min, squeeze out, be granulated, cooling down, obtain interior layered material particle；
(2) face stock is added in high-speed mixer, is added in parallel double-screw extruder after mixing, in temperature
185 DEG C, be kneaded under revolving speed 80r/min, squeeze out, be granulated, cooling down, obtain capstock particle；
(3) interior layered material particle is added twin-screw extrude, melting extrusion is to coextruding die under the conditions of temperature is 185 DEG C
Have in runner；Capstock particle is added twin-screw extrude, melting extrusion is to co-extruding mould under the conditions of temperature is 195 DEG C
In runner；Interior layered material and capstock after melting converge in double-layer coextrusion mold, and surface layer is made to be coated on internal layer surface, then into
Enter in stock mould and be formed, finally enters cooling in cooling trough.
The present invention passes through the surface layer wrapping inner layer of insulation, and inner layer material ingredient and content are unaffected, are not changing
Under the premise of Wood-plastic material excellent performance, the insulation ability of wood plastic wall plate is improved；Surface layer use ethylene propylene diene rubber for
Main component, thermal and insulating performance are excellent；It is auxiliary material using polypropylene, on the one hand ethylene propylene diene rubber is modified, performance
On still retain the intrinsic characteristic of ethylene propylene diene rubber, but also the injection with significant thermoplastic, extrusion, blow molding and
The processing performance of calendering formation improves the processing performance of surface layer and is tightly combined degree with internal layer；On the other hand, surface layer and
Internal layer all uses pp material, in extrusion molding, the further bonding tightness for improving internal layer and surface layer.
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of wood plastic wall plate of insulation, including internal layer and the surface layer for being coated on internal layer surface, the surface layer passes through altogether
Extruding process is coated on internal layer surface, it is characterised in that:
The internal layer includes following raw material: polypropylene 55-65, plant fiber powder 55-65, I 4-6 of coupling agent, lubrication
Agent 2-4, fire retardant 12-14, mineral filler 6-8；
The surface layer includes following raw material: ethylene propylene diene rubber 12-15, polypropylene 6-8, II 1-3 of coupling agent, titanium dioxide
Silicon powder 3-5.
2. a kind of wood plastic wall plate of insulation according to claim 1, it is characterised in that: the plant fiber powder
Any one of wood powder, bamboo powder, chaff powder, straw powder or other agriculture and forestry organic waste material powder.
3. a kind of wood plastic wall plate of insulation according to claim 1, it is characterised in that: the coupling agent I is solid
Body aluminate or titanate ester；The coupling agent II is solid aluminate or titanate ester.
4. a kind of wood plastic wall plate of insulation according to claim 1, it is characterised in that: the lubricant is tristearin
The mixing of one or more of acid, PE wax or calcium stearate.
5. a kind of wood plastic wall plate of insulation according to claim 1, it is characterised in that: the fire retardant is chlorination
Paraffin, eight bromo ether, antimony oxide, tricresyl phosphate (2- chloroethyl) one of ester or ammonium polyphosphate.
6. a kind of wood plastic wall plate of insulation according to claim 1, it is characterised in that: the mineral filler is
The mixing of calcium carbonate, talcum powder, wollastonite, kaolinic one or more.
7. a kind of forming method of the wood plastic wall plate of insulation, which comprises the following steps:
(1) internal layer raw material is added in high-speed mixer, is added in parallel double-screw extruder after mixing, in temperature 160
~170 DEG C, be kneaded under 70~90r/min of revolving speed, squeeze out, be granulated, cooling down, obtain interior layered material particle；
(2) face stock is added in high-speed mixer, is added in parallel double-screw extruder after mixing, in temperature 180
~190 DEG C, be kneaded under 70~90r/min of revolving speed, squeeze out, be granulated, cooling down, obtain capstock particle；
(3) interior layered material particle is added twin-screw extrude, melting extrusion is to co-extrusion under the conditions of temperature is 180~190 DEG C
In mold runner；Capstock particle is added twin-screw extrude, temperature be 190~200 DEG C under the conditions of melting extrusion extremely
In co-extruding mould runner；Interior layered material and capstock after melting converge in double-layer coextrusion mold, and surface layer is made to be coated on inner layer sheet
Face finally enters cooling in cooling trough subsequently into being formed in stock mould.
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