CN103804761B - A kind of heat conduction collision mat - Google Patents

A kind of heat conduction collision mat Download PDF

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Publication number
CN103804761B
CN103804761B CN201410070829.9A CN201410070829A CN103804761B CN 103804761 B CN103804761 B CN 103804761B CN 201410070829 A CN201410070829 A CN 201410070829A CN 103804761 B CN103804761 B CN 103804761B
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heat conduction
parts
gram
mixed
collision mat
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CN103804761A (en
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杨庆锋
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ZHEJIANG RUNYANG NEW MATERIAL TECHNOLOGY CO., LTD.
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ZHEJIANG RUN YANG NEW MATERIAL TECHNOLOGY Co Ltd
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    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
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    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
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    • C09J201/00—Adhesives based on 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
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    • C08L2203/14—Applications used for foams
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Abstract

The present invention relates to a kind of resin expanded matrix material, particularly relate to a kind of heat conduction collision mat.It is prepared from by following steps: just mix: by weight 8-12 part thermally conductive material being added 40-100 part density is that matrix resin obtains just mixed thing; Plasticizing granulation: add 2-8 part fire retardant by weight in described just mixed thing, 6-10 part softens softening agent, 3-7 part toughner, 1-4 part coupling agent and the plasticizing of 0.6-1.2 part oxidation inhibitor blending and modifying, extruding pelletization obtains the first particle; Mixed foaming again: by weight one or more in 15-25 part polyoxyethylenated alcohol sodium sulfate or azo-compound are mixed with one or more in described first particle and 30-70 part matrix resin, extrusion foaming obtains foam material, and then by glue, on described foam material, compound full open aperture foamed material layer and waterproofing membrane layer form heat conduction collision mat in order successively.Material of the present invention has high thermal conductivity, and waterproof shock-absorbing.

Description

A kind of heat conduction collision mat
Technical field
The present invention relates to a kind of resin expanded matrix material, particularly relate to a kind of heat conduction collision mat.
Background technology
In prior art, conventional epe, eva, ixpe, xpe, rubber expanded material etc. are as foam material, and this series products has function of heat insulation, but heat conductivility is poor, receives limitation in a lot of Application Areas, and energy consumption is high.
The high heat conduction metal-clad foil plate that CN101974208A (2011-2-16) discloses a kind of highly thermal-conductive resin composition and uses it to make, but the thermal conductivity of this material is to be improved, and be not suitable for the use of bedding class Material Field.
Summary of the invention
The object of this invention is to provide and a kind ofly there is high thermal conductivity and the heat conduction collision mat of waterproof shock-absorbing.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of heat conduction collision mat, it is prepared from by following steps:
(1) just mix: one or more in by weight 8-12 part thermally conductive material to be added 40-100 part density be Low Density Polyethylene, the density of 0.900 ~ 0.915 gram/cc to be high density polyethylene(HDPE), the density of 0.940 ~ 0.978 gram/cc the be linear low density polyethylene of 0.918 ~ 0.935 gram/cc or ethylene-vinyl acetate copolymer mix and obtain just mixed thing;
Described thermally conductive material is one or more in alumina powder, graphite, magnesium oxide, Calucium Silicate powder, copper powder, aluminium nitride;
(2) plastify granulation: in described just mixed thing, add 2-8 part fire retardant by weight, 6-10 part softens softening agent, 3-7 part toughner, 1-4 part coupling agent and the plasticizing of 0.6-1.2 part oxidation inhibitor blending and modifying, extruding pelletization obtains the first particle;
(3) mixed foaming again: be the Low Density Polyethylene of 0.900 ~ 0.915 gram/cc by weight by one or more in 15-25 part polyoxyethylenated alcohol sodium sulfate or azo-compound and described first particle and 30-70 part density, one or more in density to be high density polyethylene(HDPE), the density of 0.940 ~ 0.978 gram/cc the be linear low density polyethylene of 0.918 ~ 0.935 gram/cc or ethylene-vinyl acetate copolymer mix, extrusion foaming obtains foam material;
(4) compound: compound full open aperture foamed material layer and waterproofing membrane layer form heat conduction collision mat in order successively on described foam material by glue; Described full open aperture foamed material layer is rubber pange layer, foamed polystyrene layer, full open aperture EPDM foam sponge layer, full open aperture PE layer or polyethylene modified material layer.
By such scheme, the present invention:
1. overcome the shortcoming that traditional foam material can not have high thermal conductivity and waterproof shock-absorbing functional performance simultaneously; Directly effectively improving on the basis of thermal conductivity of foaming kind product, waterproof, the cushioning effect of foam material can be retained simultaneously, expand product applications;
2. contribute to follow-up mixed again foaming by just mixed plasticizing granulation, thermal conductivity and the antidetonation water-repellancy of material can be improved simultaneously, this is likely also that the formula of specific stock and adjunct and order of addition have played synergistic function, make Low Density Polyethylene, high density polyethylene(HDPE), mutually be wound around between linear low density polyethylene or ethylene-vinyl acetate copolymer (abbreviation matrix resin) molecular chain, pass through toughner, coupling agent, oxidation inhibitor and whipping agent regulate its consistency and antioxidant, improve materials processing performance, the heat conduction collision mat preparing gained is made to have excellent waterproof shock-absorbing function and flame retardant resistance,
3. all communicate between the hole that full open aperture foam material refers in material; By compound full open aperture foamed material layer and waterproofing membrane layer on foam material, the thermal conductivity of material and water resistance are increased further;
4. this product can be applied to daily necessities especially on bedding class articles for use such as tatami.
As preferably, described waterproofing membrane layer is PE film or aluminium film or the moistureproof ply of paper of metal.
As preferably, one or both in 15-25 part polyoxyethylenated alcohol sodium sulfate or azo-compound and described first particle and 30-70 part density are specifically the Low Density Polyethylene of 0.900 ~ 0.915 gram/cc by described step (3), density is the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc, density is that one or more in the linear low density polyethylene of 0.918 ~ 0.935 gram/cc or ethylene-vinyl acetate copolymer are at temperature is 180-200 DEG C after mixing moulding, electron irradiation carries out to section bar cross-linking modified, irradiation dose is 20-40KGy, 24-30h is placed after cross-linking radiation, then extrusion foaming after heating 5-10min at temperature is 220-245 DEG C.
The present invention is by the first mixed plasticizing granulation in early stage, and then mix again with one or more in Low Density Polyethylene, high density polyethylene(HDPE), linear low density polyethylene or ethylene-vinyl acetate copolymer, simultaneously by add predetermined substance and electron irradiation cross-linking modified, increase winding and the interaction of material molecule interchain, control the degree of crosslinking of foam composite material, make material have higher hole density and evenly pore size distribution, thus make the heat conduction collision mat preparing gained have excellent waterproof shock-absorbing function and thermal conductivity.
More preferably, described step (3) is also added with 3-6 part liquid low molecule straight chain hydrocarbon in the time again in mixed foaming after mixing moulding and before cross-linking radiation.
Add thermal conductivity and processing characteristics that liquid low molecule straight chain hydrocarbon can improve the heat conduction collision mat preparing gained, this may be because special interpolation opportunity of this material has played effective modifying function further in mixed foaming again.
More preferably, described liquid low molecule straight chain hydrocarbon is white oil or whiteruss.
As preferably, when described step (1) is just mixed, be also added with 3-6 part liquid silicone compound.
Add thermal conductivity and processing characteristics that liquid silicone compound can improve the heat conduction collision mat preparing gained, this may be because liquid silicone compound has carried out preliminary modification as liquid modifying agent to material.
More preferably, described liquid silicone compound is silicone oil.
As preferably, described polyethylene modified material layer is made up of the raw material of following parts by weight: polyethylene 30-75 part, zinc white 10-40 part, magnesium oxide 8-25 part, glass fibre 10-15 part, peroxidation two different phenylpropyl alcohol linking agent 0.8-1.5 part, stearic acid active lubricant 1-2 part.
More preferably, the preparation method of described PE modified sound-proof material comprises the following steps successively:
A. raw material prepares: polyethylene 30-75 part, zinc white 10-40 part, magnesium oxide 8-25 part, glass fibre 10-15 part, peroxidation two different phenylpropyl alcohol linking agent 0.8-1.5 part, stearic acid active lubricant 1-2 part;
B. just mixed: described linking agent, zinc white, magnesium oxide and glass fibre are mixed, obtain just mixed reactant;
C. entirely mix: the described reactant and described polyethylene and mix lubricant of just mixing is obtained complete dark compound;
D. banburying is shaping: by described complete dark compound temperature be 160-180 DEG C, pressure be 40-50MPa under banburying shaping.
The present invention adopts zinc white, magnesium oxide and glass fibre filling-modified in polyethylene, can assist further and solve the not good shortcoming of heat conductivility; Improve dimensional stability simultaneously.
As preferably, described glue is made up of the raw material of following parts by weight:
Phthalic anhydride 25-35 part, triethylene glycol 10-12 part, pentanedioic acid 15-18 part, trihydroxybutane 8-10 part, zinc white 5-7 part, magnesium oxide 3-5 part, chloroprene rubber 15-25 part, elastic plastic 70-95 part, softening oil 2-3 part, methylcarbonate 15-20 part, ethylbenzene 20-30 part, fire retardant 1-3 part.
Adopt glue of the present invention, there is the advantage that tack is good, fastness is high.
As preferably, described fire retardant is counted composed of the following components by weight: ammonium low polyphosphate 20 ~ 50 parts, 10 ~ 25 parts, ammonium phosphate, ammonium pyrophosphate 6 ~ 12 parts, 5 ~ 20 parts, ammonium sulfate, boric acid 5 ~ 10 parts, 10 ~ 25 parts, water.
As preferably, described softening softening agent is one or more in dioctyl phthalate (DOP), clorafin or naphthenic oil.
As preferably, described toughner is terpolymer EP rubber EPDM.
As preferably, described coupling agent is silane coupling agent, aluminate coupling agent or aluminium titanium composite coupler.
As preferably, described oxidation inhibitor is the mixture of phenols the primary antioxidant 1010 and auxiliary antioxidant 168 mixed by weight 3-4:6-7.
As preferably, described azo-compound is Cellmic C 121 or Diisopropyl azodicarboxylate.
In sum, the present invention has following beneficial effect:
1, there is high thermal conductivity;
2, there is waterproof shock-absorbing function;
3, there is flame retardant resistance;
4, this product can be applied to daily necessities especially on bedding class articles for use such as tatami.
Embodiment
Embodiment one
Just mixed: by weight 8 parts of alumina powders to be added 40 parts of density mixed by weight 1:1 be the Low Density Polyethylene of 0.900 ~ 0.915 gram/cc and density is add 3 parts of silicone oil again after the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc mixes to obtain just mixed things;
Plasticizing granulation: the oxidation inhibitor blending and modifying plasticizing adding the mixture composition of phenols primary antioxidant 1010 that 2 parts of fire retardants, 6 parts of dioctyl phthalate (DOP)s, 3 parts of terpolymer EP rubber EPDM toughner, 1 part of silane coupling agent and 0.6 part mixes by weight 3:7 and auxiliary antioxidant 168 in first mixed thing by weight, extruding pelletization obtains the first particle;
Fire retardant is counted composed of the following components by weight: ammonium low polyphosphate 20 parts, 10 parts, ammonium phosphate, ammonium pyrophosphate 6 parts, 5 parts, ammonium sulfate, boric acid 5 parts, 10 parts, water;
Mixed foaming again: to be the Low Density Polyethylene of 0.900 ~ 0.915 gram/cc and density by weight by 15 parts of polyoxyethylenated alcohol sodium sulfate and the first particle and 30 parts of density mixed by weight 1:1 be, and the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc mix, and extrusion foaming acquisition obtains foam material;
Compound: compounded rubber foaming layer and waterproofing membrane layer form heat conduction collision mat in order successively on foam material by glue.
Detect the thermal conductivity of final material according to GB9342, the results are shown in Table 1.And the thermal conductivity of conventional polyvinyl foam composite material is below 1W/mK.
Embodiment two
Just mixed: by weight 12 parts of graphite to be added 100 parts of density mixed by weight 1:1 be the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc and density is add 6 parts of silicone oil again after the linear low density polyethylene of 0.918 ~ 0.935 gram/cc mixes to obtain just mixed things;
Plasticizing granulation: the oxidation inhibitor blending and modifying plasticizing adding the mixture composition of phenols primary antioxidant 1010 that 8 parts of fire retardants, 10 parts of clorafins, 7 parts of terpolymer EP rubber EPDM toughner, 4 parts of aluminate coupling agents and 1.2 parts mix by weight 4:6 and auxiliary antioxidant 168 in first mixed thing by weight, extruding pelletization obtains the first particle;
Fire retardant is counted composed of the following components by weight: ammonium low polyphosphate 50 parts, 25 parts, ammonium phosphate, ammonium pyrophosphate 12 parts, 20 parts, ammonium sulfate, boric acid 10 parts, 25 parts, water;
Mixed foaming again: to be the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc and density by weight by 25 parts of Cellmic C 121s and the first particle and 70 parts of density that 1:1 mixes by weight the be linear low density polyethylene of 0.918 ~ 0.935 gram/cc is at temperature is 180 DEG C after mixing moulding, electron irradiation carries out to section bar cross-linking modified, irradiation dose is 20KGy, place 24h after cross-linking radiation, after then heating 5min at temperature is 220 DEG C, extrusion foaming obtains foam material;
Compound: composite polyethylene modifying material layer and waterproofing membrane layer form heat conduction collision mat in order successively on described foam material by glue.
The preparation method of PE modified sound-proof material comprises the following steps successively:
A. raw material prepares: polyethylene 30 parts, zinc white 10 parts, 8 parts, magnesium oxide, 10 parts, glass fibre, the different phenylpropyl alcohol linking agent of peroxidation two 0.8 part, stearic acid active lubricant 1 part;
B. just mixed: described linking agent, zinc white, magnesium oxide and glass fibre are mixed, obtain just mixed reactant;
C. entirely mix: the described reactant and described polyethylene and mix lubricant of just mixing is obtained complete dark compound;
D. banburying is shaping: by described complete dark compound temperature be 160 DEG C, pressure be 40MPa under banburying shaping.
Glue is made up of the raw material of following parts by weight: phthalic anhydride 25 parts, triethylene glycol 10 parts, pentanedioic acid 15 parts, trihydroxybutane 8 parts, zinc white 5 parts, 3 parts, magnesium oxide, chloroprene rubber 15 parts, elastic plastic 70 parts, softening oil 2 parts, methylcarbonate 15 parts, 20 parts, ethylbenzene, fire retardant 1 part.
Embodiment three
Just mixed: by weight 10 parts of copper powders being added 80 parts of density mixed by weight 1:1 is add 5 parts of silicone oil again after the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc and ethylene-vinyl acetate copolymer mix to obtain just mixed things;
Plasticizing granulation: the oxidation inhibitor blending and modifying plasticizing adding the mixture composition of phenols primary antioxidant 1010 that softening softening agent of one or more compositions in 6 parts of fire retardants, 8 parts of dioctyl phthalate (DOP)s, clorafin or naphthenic oils, 5 parts of terpolymer EP rubber EPDM toughner, 3 parts of aluminium titanium composite couplers and 1 part mixes by weight 1:1 and auxiliary antioxidant 168 in first mixed thing by weight, extruding pelletization obtains the first particle;
Fire retardant is counted composed of the following components by weight: ammonium low polyphosphate 30 parts, 15 parts, ammonium phosphate, ammonium pyrophosphate 10 parts, 15 parts, ammonium sulfate, boric acid 8 parts, 15 parts, water;
Mixed foaming again: the Low Density Polyethylene by 20 parts of Diisopropyl azodicarboxylates and the first particle and 30-70 part density being 0.900 ~ 0.915 gram/cc by weight, density is the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc, density is that one or more in the linear low density polyethylene of 0.918 ~ 0.935 gram/cc or ethylene-vinyl acetate copolymer are at temperature is 200 DEG C after mixing moulding, electron irradiation carries out to section bar cross-linking modified, irradiation dose is 40KGy, 30h is placed after cross-linking radiation, then after heating 10min at temperature is 245 DEG C, extrusion foaming obtains foam material,
Compound: composite polyethylene modifying material layer and waterproofing membrane layer form heat conduction collision mat in order successively on described foam material by glue.The preparation method of PE modified sound-proof material comprises the following steps successively:
A. raw material prepares: polyethylene 75 parts, zinc white 40 parts, 25 parts, magnesium oxide, 15 parts, glass fibre, the different phenylpropyl alcohol linking agent of peroxidation two 1.5 parts, stearic acid active lubricant 2 parts;
B. just mixed: above-mentioned linking agent, zinc white, magnesium oxide and glass fibre are mixed, obtain just mixed reactant;
C. entirely mix: the described reactant and described polyethylene and mix lubricant of just mixing is obtained complete dark compound;
D. banburying is shaping: by described complete dark compound temperature be 180 DEG C, pressure be 50MPa under banburying shaping.
Embodiment four
Just mixed: by weight 5 parts of magnesium oxide and 5 parts of Calucium Silicate powder to be added 80 parts of density mixed by weight 1:1:1 be the Low Density Polyethylene/density of 0.900 ~ 0.915 gram/cc is add 5 parts of silicone oil again after the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc and ethylene-vinyl acetate copolymer mix to obtain just mixed things;
Plasticizing granulation: in first mixed thing, add 6 parts of fire retardants by weight, clorafin that 8 parts of 1:1 weight is mixed into and the softening softening agent of naphthenic oil composition, 5 parts of terpolymer EP rubber EPDM toughner, phenols primary antioxidant 1010 that 3 parts of aluminium titanium composite couplers and 1 part mix by weight 38:62 and auxiliary antioxidant 168 the oxidation inhibitor blending and modifying plasticizing of mixture composition, extruding pelletization obtains the first particle; Fire retardant composition is with embodiment three;
Mixed foaming again: the polyoxyethylenated alcohol sodium sulfate be mixed into 18 parts by weight 1:1 by weight and Cellmic C 121 and the first particle and 50 parts of density that 1:1:1 is mixed into by weight are the Low Density Polyethylene of 0.900 ~ 0.915 gram/cc, density is that the mixture of the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc and ethylene-vinyl acetate copolymer composition is at temperature is 190 DEG C after mixing moulding, electron irradiation carries out to section bar cross-linking modified, irradiation dose is 30KGy, 28h is placed after cross-linking radiation, then after heating 8min at temperature is 235 DEG C, extrusion foaming obtains foam material,
Compound: composite polyethylene modifying material layer and waterproofing membrane layer form heat conduction collision mat in order successively on described foam material by glue.The preparation method of PE modified sound-proof material comprises the following steps successively:
A. raw material prepares: polyethylene 45 parts, zinc white 30 parts, 15 parts, magnesium oxide, 12 parts, glass fibre, the different phenylpropyl alcohol linking agent of peroxidation two 1 part, stearic acid active lubricant 1.5 parts;
B. just mixed: described linking agent, zinc white, magnesium oxide and glass fibre are mixed, obtain just mixed reactant;
C. entirely mix: the described reactant and described polyethylene and mix lubricant of just mixing is obtained complete dark compound;
D. banburying is shaping: by described complete dark compound temperature be 170 DEG C, pressure be 45MPa under banburying shaping.
Glue is made up of the raw material of following parts by weight: phthalic anhydride 28 parts, triethylene glycol 11 parts, pentanedioic acid 17 parts, trihydroxybutane 9 parts, zinc white 6 parts, 4 parts, magnesium oxide, chloroprene rubber 18 parts, elastic plastic 85 parts, softening oil 2.5 parts, methylcarbonate 18 parts, 25 parts, ethylbenzene, fire retardant 2 parts.
Embodiment five
With embodiment two, be also added with 4 parts of white oils unlike in the time after mixing moulding and before cross-linking radiation.Finally by glue, on foam material, composite polystyrene foaming layer and waterproofing membrane layer form heat conduction collision mat in order successively.
Embodiment six
With embodiment three, be also added with 6 parts of whiterusss unlike in the time after mixing moulding and before cross-linking radiation.Finally by glue, on foam material, compound full open aperture EPDM foam sponge layer and waterproofing membrane layer form heat conduction collision mat in order successively.
Embodiment seven
With embodiment four, be also added with 3 parts of white oils and 3 parts of whiterusss unlike in the time after mixing moulding and before cross-linking radiation.Finally by glue, on foam material, compound full open aperture PE layer and waterproofing membrane layer form heat conduction collision mat in order successively.
Table 1 heat conduction collision mat of the present invention performance perameter
As can be seen from Table 1,
The thermal conductivity of the embodiment of the present invention one-embodiment seven product is high, illustrates that it has high thermal conductivity; Tensile strength and tensile modulus are large, its shock resistance is described, has anti seismic efficiency, elasticity and hardness large; Izod notched impact strength is large, and illustrate that its toughness is large, anti seismic efficiency is good; Melting index is high, and its good fluidity is described; The flaming combustion time is long and the internally fired nonflame time is short, illustrates that its flame retardant resistance is strong; Whole processing performance is good, is particularly suitable for making the bedding products such as tatami.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, as long as but be all subject to the protection of patent law in right of the present invention.

Claims (8)

1. a heat conduction collision mat, is characterized in that: it is prepared from by following steps:
(1) just mix: one or more in by weight 8-12 part thermally conductive material to be added 40-100 part density be Low Density Polyethylene, the density of 0.900 ~ 0.915 gram/cc to be high density polyethylene(HDPE), the density of 0.940 ~ 0.978 gram/cc the be linear low density polyethylene of 0.918 ~ 0.935 gram/cc or ethylene-vinyl acetate copolymer mix and obtain just mixed thing;
Described thermally conductive material is one or more in alumina powder, graphite, magnesium oxide, Calucium Silicate powder, copper powder, aluminium nitride;
(2) plastify granulation: in described just mixed thing, add 2-8 part fire retardant by weight, 6-10 part softens softening agent, 3-7 part toughner, 1-4 part coupling agent and the plasticizing of 0.6-1.2 part oxidation inhibitor blending and modifying, extruding pelletization obtains the first particle;
(3) mixed foaming again: be the Low Density Polyethylene of 0.900 ~ 0.915 gram/cc by weight by 15-25 part polyoxyethylenated alcohol sodium sulfate and azo-compound and described first particle and 30-70 part density, one or more in density to be high density polyethylene(HDPE), the density of 0.940 ~ 0.978 gram/cc the be linear low density polyethylene of 0.918 ~ 0.935 gram/cc or ethylene-vinyl acetate copolymer mix, extrusion foaming obtains foam material;
(4) compound: compound full open aperture foamed material layer and waterproofing membrane layer form heat conduction collision mat in order successively on described foam material by glue; Described full open aperture foamed material layer is rubber pange layer, foamed polystyrene layer, full open aperture PE layer.
2. a kind of heat conduction collision mat according to claim 1, is characterized in that: described waterproofing membrane layer is the moistureproof ply of paper of PE film or aluminium film or metal.
3. a kind of heat conduction collision mat according to claim 1, it is characterized in that: 15-25 part polyoxyethylenated alcohol sodium sulfate and azo-compound and described first particle and 30-70 part density are specifically the Low Density Polyethylene of 0.900 ~ 0.915 gram/cc by described step (3), density is the high density polyethylene(HDPE) of 0.940 ~ 0.978 gram/cc, density is that one or more in the linear low density polyethylene of 0.918 ~ 0.935 gram/cc or ethylene-vinyl acetate copolymer are at temperature is 180-200 DEG C after mixing moulding, electron irradiation carries out to section bar cross-linking modified, irradiation dose is 20-40KGy, 24-30h is placed after cross-linking radiation, then extrusion foaming after heating 5-10min at temperature is 220-245 DEG C.
4. a kind of heat conduction collision mat according to claim 3, is characterized in that: described step (3) is mixed in the time in foaming after mixing moulding and before cross-linking radiation again and is also added with 3-6 part liquid low molecule straight chain hydrocarbon.
5. a kind of heat conduction collision mat according to claim 1, is characterized in that: be also added with 3-6 part liquid silicone compound when described step (1) is just mixed.
6. a kind of heat conduction collision mat according to claim 5, is characterized in that: described liquid silicone compound is silicone oil.
7. a kind of heat conduction collision mat according to any one of claim 1-6, is characterized in that: described glue is made up of the raw material of following parts by weight:
Phthalic anhydride 25-35 part, triethylene glycol 10-12 part, pentanedioic acid 15-18 part, trihydroxybutane 8-10 part, zinc white 5-7 part, magnesium oxide 3-5 part, chloroprene rubber 15-25 part, elastic plastic 70-95 part, softening oil 2-3 part, methylcarbonate 15-20 part, ethylbenzene 20-30 part, fire retardant 1-3 part.
8. a kind of heat conduction collision mat according to any one of claim 1-6, is characterized in that: described softening softening agent is one or more in dioctyl phthalate (DOP), clorafin or naphthenic oil.
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