CN106827549A - The preparation method and snow melt pad of a kind of snow melt pad - Google Patents

The preparation method and snow melt pad of a kind of snow melt pad Download PDF

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Publication number
CN106827549A
CN106827549A CN201611215811.9A CN201611215811A CN106827549A CN 106827549 A CN106827549 A CN 106827549A CN 201611215811 A CN201611215811 A CN 201611215811A CN 106827549 A CN106827549 A CN 106827549A
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layer
cold
snow melt
fibrage
preparation
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CN201611215811.9A
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CN106827549B (en
Inventor
姚聪明
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ALL MATS Co Ltd
Taicang All Mats Plastic Ind Co Ltd
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ALL MATS Co Ltd
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    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7311—Thermal properties
    • B29C66/73113—Thermal conductivity
    • B29C66/73114—Thermal conductivity of different thermal conductivity, i.e. the thermal conductivity of one of the parts to be joined being different from the thermal conductivity of the other part
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/779—Heating equipment
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon

Abstract

The application is related to the preparation method and snow melt pad of a kind of snow melt pad, described preparation method to comprise the following steps, and be integrated for the first fibrage and first cold-resistant layer of hot pressing fusion by (1), forms the first binder course；(2) combination layer comprising thermal conductive wire layer is laid on the first described combination；(3) laying second cold-resistant layer and the second fibrage on described combination layer, after hot pressing fusion, forms the second binder course on described combination layer.Snow melt pad described herein, can generate heat after energization, can be positioned over automobile tire lower section, be prevented from the potential safety hazards such as the elasticity reduction that automobile tire occurs because of enduring cold, flexibility decrease.

Description

The preparation method and snow melt pad of a kind of snow melt pad
Technical field
The application is related to the preparation method and snow melt pad of a kind of snow melt pad.
Background technology
In cold area, substantial amounts of accumulated snow not only accelerates automobile tire aging, more makes long-time parked car tire Elasticity is reduced, and flexibility weakens, and there is potential safety hazard, it is therefore desirable to the pad that placement can keep out the cold below automobile tire, is led to Heat temperature raising after electricity, makes snow melt, it is possible to reduce this hidden danger.
In the prior art, layer of PVC generally is covered in the two-layer up and down of thermal conductive wire, formation one is whole after hot pressing fusion Body, easily produces bubble during hot melt, and layer of PVC is contained within bubble, and surface irregularity after causing hot melt, works as heat conduction Line layer easily causes the phenomenon of voltage breakdown after being powered, the phenomenon is always the industry insoluble problem for a long time.Separately Outward, the softening temperature of PVC is at 60-80 DEG C, it is necessary to be cooled to below softening temperature could will be into from mould after the completion of hot melt The time spent in product taking-up, so cooling, is more long, and production efficiency is low.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art, there is provided a kind of snow melt pad and its making side Method.
To solve above technical problem, the present invention is adopted the following technical scheme that：
A kind of preparation method of snow melt pad, described preparation method is comprised the following steps,
(1) the first fibrage and first cold-resistant layer of hot pressing fusion are integrated, form the first binder course；
(2) combination layer comprising thermal conductive wire layer is laid on the first described combination；
(3) laying second cold-resistant layer and the second fibrage on described combination layer, after hot pressing fusion, in described combination The second binder course is formed on layer.
Preferably, the first described fibrage and the second fibrage are polyester, polypropylene, nylon, one kind of viscose rayon Or it is several be made, the first described fibrage and the softening point temperature of the second fibrage are 140~170 DEG C.
Preferably, the described first cold-resistant layer and the second cold-resistant layer are made up of PVC material, described the first cold-resistant layer and the The softening point temperature of two cold-resistant layers is 60-80 DEG C.
Preferably, in step (1) and step (3), the temperature of hot pressing fusion is 150~190 DEG C, heat-insulating pressurizing 3~ 8min, 16~24KN of pressure.
Preferably, described preparation method also includes,
(4) hot pressing, the surrounding of the first binder course, combination layer and the second binder course carries out hot pressing fusion；
(5) deburring, the surrounding flash of the material obtained by step (4) is pruned, and obtains snow melt pad.
Preferably, described combination layer include described thermal conductive wire layer and be separately positioned on the first of thermal conductive wire layer both sides every Absciss layer and the second separation layer.
Preferably, the first described separation layer and the second separation layer are grid cloth, in step (3), after hot pressing fusion, and position The first binder course and the second binder course in described combination layer both sides are mutually fused through grid cloth.
Preferably, the first described separation layer and the second separation layer are made up of transparent membrane material, in step (3), hot pressing After fusion, the first described separation layer and the second separation layer are fused with described the first binder course and the second binder course respectively.
The application also provides a kind of snow melt pad, and described snow melt pad includes combination layer, positioned at combination layer two sides first Binder course and the second binder course,
The first described binder course is that the first fibrage and the first cold-resistant mutual hot pressing fusion of layer are formed；
The second described binder course is that the second fibrage and the second cold-resistant mutual hot pressing fusion of layer are formed；
Described combination layer includes thermal conductive wire layer and is arranged on the first separation layer and second isolation of thermal conductive wire layer two sides Layer.
Preferably, the first described fibrage and the second fibrage are polyester, polypropylene, nylon, one kind of viscose rayon Or it is several be made, the first described fibrage and the softening point temperature of the second fibrage are 140~170 DEG C
The cold-resistant layer of described first and second resists cold layer by PVC material is made, and the first described cold-resistant layer and second resists cold The softening point temperature of layer is 60-80 DEG C.
Preferably, the material quality component of the described first cold-resistant layer and the second cold-resistant layer is,
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art：
Snow melt pad described herein, can generate heat after energization, can be positioned over automobile tire lower section, be prevented from automobile The potential safety hazards such as the elasticity reduction that tire occurs because of enduring cold, flexibility decrease.
Specific embodiment
The present invention is described in further details below in conjunction with specific embodiment.It should be understood that these embodiments are for saying The bright basic principles, principal features and advantages of the present invention, and the present invention is not limited by the scope of following examples.Adopted in embodiment Implementation condition can do further adjustment according to specific requirement, and unreceipted implementation condition is usually the bar in normal experiment Part.
A kind of manufacture method of snow melt pad described herein is comprised the following steps：
(1) the first fibrage and first cold-resistant layer of hot pressing fusion are integrated, form the first binder course, the temperature of hot pressing fusion 150~190 DEG C of degree, 3~8min of heat-insulating pressurizing, 16~24KN of pressure；
(2) combination layer comprising thermal conductive wire layer is laid on the first described combination, described combination layer includes institute The thermal conductive wire layer stated and the first separation layer and the second separation layer that are separately positioned on thermal conductive wire layer both sides, the first described separation layer With the second separation layer by insulating materials is made, and sheet resistance is more than 1012；
(3) laying second cold-resistant layer and the second fibrage on described combination layer, after hot pressing fusion, in described combination The second binder course, 150~190 DEG C of the temperature of hot pressing fusion, 3~8min of heat-insulating pressurizing, 16~24KN of pressure are formed on layer；
(4) hot pressing, the surrounding of the first binder course, combination layer and the second binder course carries out hot pressing fusion；
(5) deburring, the surrounding flash of the material obtained by step (4) is pruned, and obtains snow melt pad.
In one embodiment, the first described separation layer and the second separation layer are grid cloth, in step (3), heat After pressure fusion, the first binder course and the second binder course positioned at described combination layer both sides are mutually fused through grid cloth.
In another embodiment, the first described separation layer and the second separation layer are made up of transparent membrane material, in step Suddenly in (3), after hot pressing fusion, the first described separation layer and the second separation layer respectively with described the first binder course and the second knot Layer is closed to be fused.
Thermal conductive wire layer described herein is formed for the thermal conductive wire of bending arrangement, and the outer layer of described thermal conductive wire has insulation Layer, can measure against electrical leakage, local temperature it is too high；Long-term service temperature is 40-50 DEG C, and one end is connected with temperature detect switch (TDS), temperature detect switch (TDS) It is connected with protection system, once temperature is more than 70 DEG C, can be stopped immediately, shields；The thermal conductive wire other end and timing Device is connected.It is only outer, separately there is a ground wire to be arranged on snow melt pad corner, by buckle be interlinked to the outside, further serve as protection and make With.
The first described fibrage and the second fibrage are one or more systems of polyester, polypropylene, nylon, viscose rayon Form, the first described fibrage and the softening point temperature of the second fibrage are 140~170 DEG C.The cold-resistant layer of described first With the second cold-resistant layer by PVC material is made, the first described cold-resistant layer and the softening point temperature of the second cold-resistant layer are 60-80 DEG C. Due to the gas permeability of fibrage, during fibrage and the mutual hot pressing of cold-resistant layer are fused, fibrage and cold-resistant layer mutually melt Close mutually embedded in one, the bubble of generation can be discharged smoothly, will not be by bubble residence in binder course, and in reflow process The bubble of generation can be discharged uniformly from the surface of binder course, not result in the phenomenon of binder course surface irregularity.
In the production technology, inventor wants the surface for allowing fibrage to be covered in cold-resistant layer originally, but after hot melt, it is fine Dimension layer is fused and is integrated completely with cold-resistant layer, and this area for solving pendent problem always for a long time, serves meaning Unimaginable technique effect.
In the production method of snow melt pad described herein, the softening point temperature of fibrage is and resistance at 140~170 DEG C The softening point temperature of cold layer is at 60-80 DEG C, and the softening point temperature of the combination that fibrage and cold-resistant layer mutually heat formation is 90-100 DEG C, compared to existing technology the softening point temperature of middle PVC greatly improve, therefore, after hot melt, temperature only needs to be reduced to 80-90 DEG C, it is possible to be removed from the molds finished product, cool time is shortened, improve production efficiency.
In a preferred embodiment, the material quality component of the first described cold-resistant layer and the second cold-resistant layer is to gather 50~100 parts of vinyl chloride；5~20 parts of toughened resin；50~80 parts of plasticizer；3~6 parts of stabilizer；0~1 part of lubricant；Carbonic acid 30~50 parts of calcium.The toughened resin is one or more in vinyl chloride-vinyl acetate resin, acrylate copolymer, haloflex.Institute State one or more during plasticizer uses DOA, DOS, DOZ, DIDA, ATBC, TBC, DOTP, TOTM.The lubricant It is one or more in OPE, butyl stearate, stearic acid.Described stabilizer is calcium zinc stabilizer.First Fibrage and the second fiber layer surface resistance are more than 1012.String diameter is 3D-20D, and fibre length is 3-10cm.Cold-resistant layer and fiber The mass ratio of layer is 30:1~40:1.
Snow melt pad described herein makes its low temperature resistant -30 DEG C, high temperature resistant 90 due to its rational formula design and selection ℃.Compared with the quality of rubber materials of prior art, vinyl chloride copolymer processing characteristics is simpler, and smell is low, cheap, and Can be with recycling.The addition of fibrage, it is possible to reduce cool time and raising demoulding efficiency.It is fine after present invention shaping Dimension layer combines together with cold-resistant layer.
Snow melt pad described herein, can generate heat after energization, can be positioned over automobile tire lower section, be prevented from automobile The potential safety hazards such as the elasticity reduction that tire occurs because of enduring cold, flexibility decrease.
The present invention is described in detail above, the explanation of embodiment be only intended to help understand the method for the present invention and Its core concept, its object is to allowing the personage for being familiar with this art to will appreciate that present disclosure and implementing according to this, and Can not be limited the scope of the invention with this.Any equivalent change or modification in accordance with the spirit of the invention, should all contain Cover within protection scope of the present invention.

Claims (11)

1. a kind of preparation method of snow melt pad, it is characterised in that：Described preparation method is comprised the following steps,
(1) the first fibrage and first cold-resistant layer of hot pressing fusion are integrated, form the first binder course；
(2) combination layer comprising thermal conductive wire layer is laid on the first described combination；
(3) laying second cold-resistant layer and the second fibrage on described combination layer, after hot pressing fusion, on described combination layer Form the second binder course.
2. the preparation method of a kind of snow melt pad according to claim 1, it is characterised in that：The first described fibrage and Two fibrages are made for one or more of polyester, polypropylene, nylon, viscose rayon, described the first fibrage and the The softening point temperature of two fibrages is 140~170 DEG C.
3. the preparation method of a kind of snow melt pad according to claim 3, it is characterised in that：Described first cold-resistant layer and the Two cold-resistant layers are made up of PVC material, and the first described cold-resistant layer and the softening point temperature of the second cold-resistant layer are 60-80 DEG C.
4. the preparation method of a kind of snow melt pad according to claim 3, it is characterised in that：In step (1) and step (3) In, the temperature of hot pressing fusion is 150~190 DEG C, 3~8min of heat-insulating pressurizing, 16~24KN of pressure.
5. the preparation method of a kind of snow melt pad according to claim 1, it is characterised in that：Described preparation method is also wrapped Include,
(4) hot pressing, the surrounding of the first binder course, combination layer and the second binder course carries out hot pressing fusion；
(5) deburring, the surrounding flash of the material obtained by step (4) is pruned, and obtains snow melt pad.
6. the preparation method of a kind of snow melt pad according to claim 1, it is characterised in that：Described combination layer includes described Thermal conductive wire layer and be separately positioned on thermal conductive wire layer both sides the first separation layer and the second separation layer.
7. the preparation method of a kind of snow melt pad according to claim 6, it is characterised in that：The first described separation layer and Two separation layers are grid cloth, in step (3), after hot pressing fusion, positioned at described the first binder course for being combined into both sides and the Two binder courses are mutually fused through grid cloth.
8. the preparation method of a kind of snow melt pad according to claim 6, it is characterised in that：The first described separation layer and Two separation layers are made up of transparent membrane material, in step (3), after hot pressing fusion, and described the first separation layer and the second separation layer It is fused with described the first binder course and the second binder course respectively.
9. a kind of snow melt pad, it is characterised in that：Described snow melt pad includes combination layer, the first combination positioned at combination layer two sides Layer and the second binder course,
The first described binder course is that the first fibrage and the first cold-resistant mutual hot pressing fusion of layer are formed；
The second described binder course is that the second fibrage and the second cold-resistant mutual hot pressing fusion of layer are formed；
Described combination layer includes thermal conductive wire layer and is arranged on first separation layer and the second separation layer of thermal conductive wire layer two sides.
10. a kind of snow melt pad according to claim 9, it is characterised in that：
Described the first fibrage and the second fibrage is polyester, polypropylene, nylon, viscose rayon one or more make and Into the first described fibrage and the softening point temperature of the second fibrage are 140~170 DEG C
Described first cold-resistant layer and the second cold-resistant layer are made up of PVC material, described the first cold-resistant layer and the second cold-resistant layer Softening point temperature is 60-80 DEG C.
A kind of 11. snow melt pads according to claim 10, it is characterised in that：The cold-resistant layer of described first and the second cold-resistant layer Material quality component be,
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