CN106380819B - Applied to the ultra-soft matter thermoplastic elastic material in automobile interior decoration - Google Patents

Applied to the ultra-soft matter thermoplastic elastic material in automobile interior decoration Download PDF

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Publication number
CN106380819B
CN106380819B CN201610770285.6A CN201610770285A CN106380819B CN 106380819 B CN106380819 B CN 106380819B CN 201610770285 A CN201610770285 A CN 201610770285A CN 106380819 B CN106380819 B CN 106380819B
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ultra
interior decoration
automobile interior
tpo
thermoplastic elastomer
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CN106380819A (en
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顾磊
刘海洋
滕大勇
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Benecke Changshun Automotive Interior Materials (zhangjiagang) Co Ltd
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Benecke Changshun Automotive Interior Materials (zhangjiagang) Co Ltd
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • B32B27/00—Layered products comprising a layer of synthetic resin
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    • 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
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    • C08L45/00—Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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Abstract

The invention discloses the ultra-soft matter thermoplastic elastic materials being applied in automobile interior decoration, which is characterized in that it successively includes: hypothallus, spongy layer, TPO epidermis, skin of paint from bottom to top, TPO skin layer material, in parts by weight, comprising:Material of the invention can satisfy the requirement of wear-resisting property, and can bring good soft feel, and can reduce smell, VOC volatilization, and the lighter in weight of material meets the needs of present automotive interior material development.

Description

Applied to the ultra-soft matter thermoplastic elastic material in automobile interior decoration
Technical field
The present invention relates to automotive interior material fields, and in particular to a kind of super soft thermoplastic applied in automobile interior decoration Elastomeric material.
Background technique
In Trimming Design for Motor Vehicle, in order to make instrument board, door-plate etc. reaches certain feel and aesthetic effect, it will usually Some processing are done above its skeleton, the method for mainstream is mainly at present: slush moulding, polyurethane coating or directly use ABS epidermis.
Wherein, slush molding method is will to paste plastics (plastisol) to pour into the mold (cavity plate for being previously heated to certain temperature Or former) in, the paste plastics close to mould intracavity wall can be gelled because heated, then the paste plastics not being gelled poured out, and The paste plastics being attached on mould intracavity wall are heat-treated and (are dried molten), then hollw article can be obtained from mold through cooling, often It is PVC with material.
Polyurethane coating is high pressure polyurethane spraying equipment, because the material of high pressure painting equipment is in the mixed of space very little It closes indoor high-speed to hit and acutely rotate, mixing is very abundant, and the material of high-speed motion forms fine mist drop in gun slot, It is ejected into object surface evenly.
ABS is then common rigid plastics.Though the roto casting based on PVC is cheap, door-plate instrument can also be given Dial plate brings good feel, but its process control difference and bring smell are big, and VOC high is also insoluble problem.It is poly- The problem of urethane spraying also easily brings uneven thickness；There is the problem of feel difference as interior trim epidermis in ABS surface.
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, provide a kind of applied in automobile interior decoration Ultra-soft matter thermoplastic elastic material, the present invention are prepared for a kind of TPO material of ultra-soft, which can satisfy wear-resisting property It is required that and good soft feel can be brought, and smell, VOC volatilization can be reduced, the lighter in weight of material meets existing In the needs of automotive interior material development.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
Applied to the ultra-soft matter thermoplastic elastic material in automobile interior decoration, which is characterized in that it is successively wrapped from bottom to top It includes: hypothallus, spongy layer, TPO epidermis, skin of paint, wherein the TPO skin layer material, in parts by weight, comprising:
Wherein, the thermoplastic elastomer (TPE) melt mass flow rate is 5.0-60g/10min, the ethyl vinyl acetate second VA content is 45% in alkene copolymer, and the ethylene-vinyl acetate copolymer melt mass flow rate is 30-70g/10min.
Preferably, the thermoplastic elastomer (TPE) includes: polyurethane-type thermoplastic elastomer, styrene analog thermoplastic elasticity Body, polyamide-type thermoplastic elastomer, propylene-based thermoplastic's elastomer.
Preferably, the tackifying resin includes rosin resin, terpene resin, hydrocarbon resins, the tackifying resin it is global Softening point is 140-150 DEG C.
Preferably, the auxiliary agent includes: metal soap, phenols, stearic acid complex ester, phosphorous acid.
Preferably, the inorganic filler includes: talcum powder, calcium carbonate, barium sulfate, montmorillonite, nano-glass microballoon, described The partial size of inorganic filler is 3000-4000 mesh.
Preferably, thermoplastic elastomer (TPE), polyolefin, tackifying resin, foaming agent, auxiliary agent, inorganic filler are uniformly mixed, are thrown It is uniform to enter into double screw extruder melting mixing, then talcum powder is added from side spout into double screw extruder, squeezes Temperature is 195-235 DEG C out, and extruding pelletization obtains TPO skin layer material pellet.
Preferably, TPO skin layer material pellet is prepared into epidermis, is printed on the TPO epidermis aqueous poly- Urethane resin paint prepares each component in parts by weight, and waterborne polyurethane resin paint includes: 60-75 parts of aqueous poly- ammonia Ester dispersion, 0.5-1.5 parts of polyurethane thickeners, 0.1-0.5 parts of Isocyanates curing agents, 30-60 parts of water, 0.5-2 part two Silica.
Preferably, the TPO epidermis prints one layer of waterborne polyurethane resin paint, then TPO epidermis is passed through embossing Roller is combined on spongy layer, obtains the ultra-soft material with decorative pattern；Again by ultra-soft composite material by former and formpiston, in vacuum In middle hot pressing to part skeleton.
The beneficial effects of the present invention are:
The present invention is combined to above automotive interior material part skeleton using ultra-soft TPO material, has auto parts not Be worse than PVC skin material good soft feel and excellent decorative pattern appearance；Slush moulding material based on the material and PVC Material is compared, and on the basis of having identical even preferably hardness, be can reduce the VOC of automotive interior and is reduced penetrating odor, Environment is protected, protects that user's is safe and healthy；And the lighter in weight of ultra-soft TPO material of the invention, with general slush moulding work Skill is compared, and weight can at most mitigate 60%.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings. A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
It in order to more clearly illustrate the technical solutions in the embodiments of the present invention, below will be in embodiment technical description Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of ultra-soft material of the present invention；
Wherein, 1- hypothallus, 2- spongy layer, 3-TPO epidermis, 4- skin of paint.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Shown in referring to Fig.1, disclosed in the present embodiment applied to the ultra-soft matter thermoplastic elastic material in automobile interior decoration, It is characterized in that, it successively includes: hypothallus 1, spongy layer 2, TPO epidermis 3, skin of paint 4 from bottom to top, in above-mentioned TPO table Cortex prints one layer of waterborne polyurethane resin paint, then TPO epidermis is combined on spongy layer by knurling rolls, is had The ultra-soft material of decorative pattern；Again by ultra-soft composite material by former and formpiston, in a vacuum in hot pressing to part skeleton.
Wherein, above-mentioned TPO skin layer material, in parts by weight, comprising:
Wherein, above-mentioned thermoplastic elastomer (TPE) melt mass flow rate is 5.0g/10min, and above-mentioned ethene-vinyl acetate is total VA content is 45% in polymers, and above-mentioned ethylene-vinyl acetate copolymer melt mass flow rate is 30g/10min.
Above-mentioned thermoplastic elastomer (TPE) includes: polyurethane-type thermoplastic elastomer, styrene analog thermoplastic elastomer, polyamide Analog thermoplastic elastomer, propylene-based thermoplastic's elastomer.
Above-mentioned tackifying resin includes rosin resin, terpene resin, hydrocarbon resins, and the ring and ball softening point of above-mentioned tackifying resin is 140℃。
Above-mentioned auxiliary agent includes: metal soap, phenols, stearic acid complex ester, phosphorous acid.
Above-mentioned inorganic filler includes: talcum powder, calcium carbonate, barium sulfate, montmorillonite, nano-glass microballoon, above-mentioned inorganic to fill out The partial size of material is 3000 mesh.
The preparation method of above-mentioned TPO skin layer material is, by thermoplastic elastomer (TPE), polyolefin, tackifying resin, foaming agent, Auxiliary agent, inorganic filler are uniformly mixed, and investment melting mixing into double screw extruder is uniform, then by talcum powder from side spout It is added into double screw extruder, extrusion temperature is 195-235 DEG C, and extruding pelletization obtains TPO skin layer material pellet.
In the present embodiment, waterborne polyurethane resin paint is printed on above-mentioned TPO epidermis, in parts by weight Preparing each component, waterborne polyurethane resin paint includes: 60 parts of aqueous polyurethane dispersion, 0.5 part of polyurethane thickener, and 0.1 Part Isocyanates curing agent, 30 parts of water, 0.5 part of silica.
Embodiment 2
The structure of material disclosed in embodiment 2 is in the same manner as in Example 1, is a difference in that TPO skin layer material and water Property paint formula.
Above-mentioned TPO skin layer material, in parts by weight, comprising:
Wherein, above-mentioned thermoplastic elastomer (TPE) melt mass flow rate is 45g/10min, and above-mentioned ethene-vinyl acetate is total VA content is 45% in polymers, and above-mentioned ethylene-vinyl acetate copolymer melt mass flow rate is 50g/10min.
Above-mentioned thermoplastic elastomer (TPE) includes: polyurethane-type thermoplastic elastomer, styrene analog thermoplastic elastomer, polyamide Analog thermoplastic elastomer, propylene-based thermoplastic's elastomer.
Above-mentioned tackifying resin includes rosin resin, terpene resin, hydrocarbon resins, and the ring and ball softening point of above-mentioned tackifying resin is 145℃。
Above-mentioned auxiliary agent includes: metal soap, phenols, stearic acid complex ester, phosphorous acid.
Above-mentioned inorganic filler includes: talcum powder, calcium carbonate, barium sulfate, montmorillonite, nano-glass microballoon, above-mentioned inorganic to fill out The partial size of material is 4000 mesh.
The preparation method of above-mentioned TPO skin layer material is, by thermoplastic elastomer (TPE), polyolefin, tackifying resin, foaming agent, Auxiliary agent, inorganic filler are uniformly mixed, and investment melting mixing into double screw extruder is uniform, then by talcum powder from side spout It is added into double screw extruder, extrusion temperature is 195-235 DEG C, and extruding pelletization obtains TPO skin layer material pellet.
Embodiment 3
Above-mentioned TPO skin layer material, in parts by weight, comprising:
Wherein, above-mentioned thermoplastic elastomer (TPE) melt mass flow rate is 60g/10min, and above-mentioned ethene-vinyl acetate is total VA content is 45% in polymers, and above-mentioned ethylene-vinyl acetate copolymer melt mass flow rate is 70g/10min.
Above-mentioned thermoplastic elastomer (TPE) includes: polyurethane-type thermoplastic elastomer, styrene analog thermoplastic elastomer, polyamide Analog thermoplastic elastomer, propylene-based thermoplastic's elastomer.
Above-mentioned tackifying resin includes rosin resin, terpene resin, hydrocarbon resins, and the ring and ball softening point of above-mentioned tackifying resin is 150℃。
Above-mentioned auxiliary agent includes: metal soap, phenols, stearic acid complex ester, phosphorous acid.
Above-mentioned inorganic filler includes: talcum powder, calcium carbonate, barium sulfate, montmorillonite, nano-glass microballoon, above-mentioned inorganic to fill out The partial size of material is 4000 mesh.
Thermoplastic elastomer (TPE), polyolefin, tackifying resin, foaming agent, auxiliary agent, inorganic filler are uniformly mixed, put into double Melting mixing is uniform in screw extruder, then talcum powder is added from side spout into double screw extruder, extrusion temperature It is 195-235 DEG C, extruding pelletization obtains TPO skin layer material pellet.
TPO skin layer material pellet is prepared into epidermis, is printed with waterborne polyurethane resin on above-mentioned TPO epidermis Paint, prepares each component in parts by weight, and waterborne polyurethane resin paint includes: 75 parts of aqueous polyurethane dispersion, and 1.5 Part polyurethane thickener, 0.5 part of Isocyanates curing agent, 60 parts of water, 2 parts of silica.
The ultra-soft TPO material of embodiment 1-3 preparation, is combined to automotive interior material part skeleton using ultra-soft TPO material Above, make auto parts that there is the no worse than good soft feel of PVC skin material and excellent decorative pattern appearance；The material Material on the basis of having identical even preferably hardness, can reduce automotive interior compared with the slush moulding material based on PVC VOC and penetrating odor is reduced, protect environment, protects that user's is safe and healthy；And the weight of ultra-soft TPO material of the invention Relatively light, compared with general roto casting, weight can at most mitigate 60%.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (8)

1. being applied to the ultra-soft matter thermoplastic elastic material in automobile interior decoration, which is characterized in that it successively includes: from bottom to top Hypothallus, spongy layer, TPO epidermis, skin of paint, wherein the TPO skin layer material, in parts by weight, comprising:
Wherein, the thermoplastic elastomer (TPE) melt mass flow rate is 5.0-60g/10min, and the ethene-vinyl acetate is total VA content is 45% in polymers, and the ethylene-vinyl acetate copolymer melt mass flow rate is 30-70g/10min.
2. the ultra-soft matter thermoplastic elastic material according to claim 1 applied in automobile interior decoration, which is characterized in that The thermoplastic elastomer (TPE) includes: polyurethane-type thermoplastic elastomer, styrene analog thermoplastic elastomer, polyamide-type thermoplastic Elastomer, propylene-based thermoplastic's elastomer.
3. the ultra-soft matter thermoplastic elastic material according to claim 1 applied in automobile interior decoration, which is characterized in that The tackifying resin includes rosin resin, terpene resin, hydrocarbon resins, and the ring and ball softening point of the tackifying resin is 140-150 ℃。
4. the ultra-soft matter thermoplastic elastic material according to claim 1 applied in automobile interior decoration, which is characterized in that The auxiliary agent includes: metal soap, phenols, stearic acid complex ester, phosphorous acid.
5. the ultra-soft matter thermoplastic elastic material according to claim 1 applied in automobile interior decoration, which is characterized in that The inorganic filler includes: talcum powder, calcium carbonate, barium sulfate, montmorillonite, nano-glass microballoon, the partial size of the inorganic filler For 3000-4000 mesh.
6. being applied to the ultra-soft matter thermoplastic elastomer (TPE) material in automobile interior decoration described in -5 any one according to claim 1 Material, which is characterized in that thermoplastic elastomer (TPE), polyolefin, tackifying resin, foaming agent, auxiliary agent, inorganic filler are uniformly mixed, thrown It is uniform to enter into double screw extruder melting mixing, then talcum powder is added from side spout into double screw extruder, squeezes Temperature is 195-235 DEG C out, and extruding pelletization obtains TPO skin layer material pellet.
7. the ultra-soft matter thermoplastic elastic material according to claim 6 applied in automobile interior decoration, which is characterized in that TPO skin layer material pellet is prepared into epidermis, waterborne polyurethane resin paint is printed on the TPO epidermis, is pressed Prepare each component according to parts by weight meter, waterborne polyurethane resin paint includes: 60-75 parts of aqueous polyurethane dispersion, 0.5-1.5 Part polyurethane thickener, 0.1-0.5 parts of Isocyanates curing agents, 30-60 parts of water, 0.5-2 parts of silica.
8. the ultra-soft matter thermoplastic elastic material according to claim 7 applied in automobile interior decoration, which is characterized in that The TPO epidermis prints one layer of waterborne polyurethane resin paint, then TPO epidermis is combined to spongy layer by knurling rolls On, obtain the ultra-soft material with decorative pattern；Ultra-soft composite material is passed through into former and formpiston, in a vacuum hot pressing to part bone again On frame.
CN201610770285.6A 2016-08-30 2016-08-30 Applied to the ultra-soft matter thermoplastic elastic material in automobile interior decoration Active CN106380819B (en)

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