CN102514337B - Automobile interior decoration material and production method thereof - Google Patents
Automobile interior decoration material and production method thereof Download PDFInfo
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- CN102514337B CN102514337B CN201110362402.2A CN201110362402A CN102514337B CN 102514337 B CN102514337 B CN 102514337B CN 201110362402 A CN201110362402 A CN 201110362402A CN 102514337 B CN102514337 B CN 102514337B
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Abstract
The invention relates to an automobile interior decoration material and a production method thereof. The automobile interior decoration material is characterized in that the automobile interior decoration material comprises a thermoplastic polyolefin (TPO) surface layer and a polypropylene foamed layer which is bonded with the TPO surface layer. The TPO surface layer comprises the following material in part by weight: 30-90 parts of TPO, 0-40 parts of reactive-type TPO, 0-40 parts of polypropylene, 0-40 parts of polyethylene, 0-3 parts of hindered amine, 0-100 parts of inorganic filler, 0-20 parts of compatibilizer, 0-5 parts of lubricating agent, 0-10 parts of adsorbing agent, 0-100 parts of flame retardant and 0-20 parts of smoke suppressant. Compared with the prior art, the automobile interior decoration material has the advantages of high compatibility among a plurality layers of materials, aging resistance, high temperature resistance, easiness in recycling, good decoration effect and light weight.
Description
Technical field
The present invention relates to a kind of ornament materials, particularly material and manufacture method thereof for automotive trim.
Background technology
Automotive trim scope is mainly comprised of instrument board, door-plate, roof, cushion, graining, sunshading board, handrail, gear cover etc., and its material characteristic requirements is very high, to temperature tolerance, weatherability, smell, outward appearance, wear-resisting etc., requires very strict.Wherein the structure of instrument board, door-plate, handrail, roof, seat back etc. is basically identical, take instrument board as example, by its surface, can be divided into hard instrument panel and soft instrument panel.
Hard instrument panel refers to the instrument board that surface is hard, and normally the single layer structure (only a few can adopt sandwich construction) of direct injection mo(u)lding, adopts MODIFIED PP or TPO material more, and minority adopts ABS material.Hard instrument panel is because surface is hard, and texture, not as soft instrument panel, is usually used in lorry, passenger vehicle and economy car.
Soft instrument panel is the Plastic Instrument Board with froth bed, generally by body skeleton, intermediate layer foam, epidermis, formed, there is soft texture, give a kind of comfortable luxurious sensation of people, also there is the absorption function of collision energy and noise simultaneously, therefore be used on medium-to-high grade car, some palace car also can adopt soft instrument panel, but generally speaking application not as hard instrument panel extensive.
Soft instrument panel skeleton is mainly injection molded to strengthen PP, ABS/PC or styrene/materials such as suitable succinic anhydride (SMA); Foaming layer is mainly polyurethane elastomer (PU Foam); The moulding process of epidermis is except the vacuum male mould forming and PVC slush moulding of traditional PVC/ABS sheet material, develop in recent years the new technologies such as the better polyurethane coating moulding of overall performance (PU plastic-blasting) and TPO (Thermoplastic Polyolefin is called for short TPO) vacuum female mould forming, and the more corium of luxurious type passenger car applications is manual coated etc.
At present, high-end interior trim adopts softener material, and epidermal area fluoropolymer resin used mostly is PVC/ABS blend, and froth bed mainly adopts PU(polyurethane) foaming.But PVC/ABS, the interior material of PU and MODIFIED PP skeleton is except price has some superiority, there is many defects, as loss of properties on aging, heatproof and smell index are difficult to up to standard, and whole interior material adopted multiple polymer incompatible with each other, and the rate of recovery is low, cause a large amount of discarding, do not meet low-carbon environment-friendly requirement.
Summary of the invention
That goal of the invention of the present invention is to provide is compatible between a kind of multilayer material, ageing-resistant, heatproof, easily reclaim, good decorating effect, lightweight inner decoration material for automobile and manufacture method thereof.
Inner decoration material for automobile of the present invention is to realize like this, comprise surface layer TPO, the polypropylene expanded layer being pasted together with surface layer TPO, with listed as parts by weight, the composition of surface layer TPO is by 30-90 part TPO (TPO), 0-40 part response type TPO (r-TPO), 0-40 part polypropylene, 0-40 part polyethylene, 0-3 part hindered amine, the inorganic filler of 0-100 part, 0-20 part bulking agent, 0-5 part lubricant, 0-10 part adsorbent, 0-100 part fire retardant, 0-20 part smoke suppressant.The present invention has adopted surface layer TPO and the polypropylene expanded layer that main component is compatibility, like this, just easily reclaim, the rate of recovery is high, and main component adopts polypropylene, TPO, coordinate corresponding modification to add material, therefore, ageing-resistant performance is good, and heatproof and smell index are easily up to standard.And the proportion of TPO material is between 0.85～0.9, obviously low than the proportion of the material of prior art (1.3～1.4), therefore, lightweight.The effect of other additives: 1, polypropylene, polyethylene; In order to reach the technological requirement of rear processing vacuum forming, must adjust the viscosity-temperature curve of TPO system, make it mildization.Therefore must add corresponding component.Generally to adopt to add various different polymer to adjust system molecular weight distribution and side chain degree etc., to adjust the viscosity-temperature response curve of system.2, response type TPO; In the TPO of blending type system, mechanical performance, heat-resisting, weather resisteant can etc. with processability contradiction often, good mechanical performance etc. always means poor processability.The TPO of response type can take into account the performance of two aspects preferably, but economy is poor.Therefore, in the present invention formula, by meeting under the prerequisite of processing characteristics capability and performance, take into account economic performance, suitably add a certain amount of response type TPO, further improve mechanical performance, heat-resisting, weather resisteant can etc.3, can adopt antioxidant and hindered amines as optothermal stabilizer.4, inorganic filler; , dimensionally stable heat-resisting in order further to improve, fire-retardant etc. and economy, will add nano level inorganic powder material in formula, the selection of material should be considered the problems such as its kind particle diameter, crystal formation and the problem of the impact on polymer crystallization behavior.In addition, if desired, can consider to add various compatilizers, as coupling agent, surfactant and high molecular weight compatibilizer: PP-g-MAH, MMA-g-MAH etc.5, bulking agent, lubricant, adsorbent; Rolling process is produced TPO material, also there is a great difficult point: the hot melt of TPO class material has the trend of strong adhesiving metal machined surface, can complete basic demand of peeling off smoothly from last thermoforming roller and must meet hot melt in rolling process production.Therefore in formula system, must add proper lubrication agent, to meet the requirement of processing.And due to the polarity of TPO and the polarity of PVC different, the lubricant system of very ripe utilization PVC cannot apply to TPO system completely in the industry.Except lubricant, also must add a kind of special auxiliary lubricant, this type of auxiliary lubricant not only plays lubrication assistant effect but also can reduce and separate out and atomization.6, fire retardant, smoke suppressant; The fire resistance of automotive trim has clear and definite index request in standard GB/T 8410-2006, reach the burn rate lower than 100mm/min.The environmental protection toxicity problem of current most fire retardant does not pass a test, as multiple fire retardant in REACH, ROHS instruction is just clearly forbidden.The present invention intends adopting the flame-retardant system of environmental protection, efficient phosphorus-nitrogen-inorganic particle complex intumescent.
Here, TPO (TPO) consumption is 45-55 part, response type TPO (r-TPO) consumption is 9-12 part, polypropylene consumption is 18-22 part, polyethylene consumption is 9-12 part, its consumption of hindered amine is 0.9-1.1 part, inorganic filler adopts nanometer grade calcium carbonate, its consumption is 18-22 part, bulking agent adopts polypropylene-maleic anhydride graft copolymer (PP-g-MAH), its consumption is 0.4-0.6 part, lubricant adopts fatty acid magnesium, its consumption is 0.4-0.6 part, adsorbent adopts silica, its consumption is 0.9-1.1 part, fire retardant adopts melamine pyrophosphate, its consumption is 5-7 part, smoke suppressant adopts Firebrake ZB, its consumption is 2.5-3.5 part.
The foaming ratio of polypropylene expanded layer at 10 times between 30 multiples.Polypropylene foam layer (PPF) should specifically be used position and different according to product, as needed softer texture to select the material that foaming ratio is larger in design, otherwise selects the material that foaming ratio is less.
The manufacture method of inner decoration material for automobile of the present invention is to realize like this, comprise successively the preparation of surface layer TPO melt, the moulding of surface layer TPO sheet material, the surface treatment of surface layer TPO sheet material, laminating with polypropylene expanded layer, the preparation of surface layer TPO melt is will to form composition 30-90 part TPO (TPO) of surface layer TPO by the method for banburying, 0-40 part response type TPO (r-TPO), 0-40 part polypropylene, 0-40 part polyethylene, 0-3 part hindered amine, the inorganic filler of 0-100 part, 0-20 part bulking agent, 0-5 part lubricant, 0-10 part adsorbent, 0-100 part fire retardant, the banburying of 0-20 part smoke suppressant becomes melt, the moulding of surface layer TPO sheet material is, by calendering technology, TPO melt is processed into sheet material, the surface treatment of surface layer TPO sheet material is that dumb light and scratch-resistant surface treatment are carried out in the surface of TPO sheet material, to adopt compound by TPO epidermal area and polypropylene foam layer (PPF) of the form of glueing joint with the laminating of polypropylene expanded layer.
Automotive interior material causes Exploration on Train Operation Safety for fear of glass reflecting, be in principle to adopt dumb light design, and TPO material itself is to accomplish this point, therefore must carry out dumb light and scratch-resistant surface treatment.
Dumb light and scratch-resistant surface treatment are to adopt polyurethanes dumb light surface conditioning agent.
Glued joint bonding agent and adopt bi-component polyurethane fat bonding agent.
Here, before splicing, first adopt interface treating agent to process the surface of TPO sheet material, interface treating agent is acrylate base co-polymer or two component polyurethane.TPO material is take polypropylene as base resin, and its capillary energy and PP type seemingly, are a kind of low-energy surfaces, TPO material is carried out must carrying out interface processing before face coat, to change the situation of TPO low-energy surface.
The present invention compared with the prior art, have compatible between multilayer material, ageing-resistant, heatproof, easily reclaim, good decorating effect, lightweight advantage.
The specific embodiment:
Now the present invention is described in further detail in conjunction with the embodiments:
Inner decoration material for automobile of the present invention comprises surface layer TPO, with the polypropylene expanded layer that surface layer TPO is pasted together, the composition of surface layer TPO is by 30-90 part TPO (TPO), 0-40 part response type TPO (r-TPO), 0-40 part polypropylene, 0-40 part polyethylene, 0-3 part hindered amine, the inorganic filler of 0-100 part, 0-20 part bulking agent, 0-5 part lubricant, 0-10 part adsorbent, 0-100 part fire retardant, 0-20 part smoke suppressant.Inorganic filler adopts nanometer grade calcium carbonate, and bulking agent adopts polypropylene-maleic anhydride graft copolymer (PP-g-MAH), and lubricant adopts fatty acid magnesium, and adsorbent adopts silica, and fire retardant adopts melamine pyrophosphate, and smoke suppressant adopts Firebrake ZB.
Following table is the consumption (unit is weight portion) of each composition and the processing characteristics of finished product:
The foaming ratio of polypropylene expanded layer adopts 10 or 20 or 30 times.
The manufacture method of inner decoration material for automobile of the present invention is to realize like this, comprise successively the preparation of surface layer TPO melt, the moulding of surface layer TPO sheet material, the surface treatment of surface layer TPO sheet material, laminating with polypropylene expanded layer, the preparation of surface layer TPO melt is will to form composition 30-90 part TPO (TPO) of surface layer TPO by the method for banburying, 0-40 part response type TPO (r-TPO), 0-40 part polypropylene, 0-40 part polyethylene, 0-3 part hindered amine, the inorganic filler of 0-100 part, 0-20 part bulking agent, 0-5 part lubricant, 0-10 part adsorbent, 0-100 part fire retardant, the banburying of 0-20 part smoke suppressant becomes melt, the moulding of surface layer TPO sheet material is, by calendering technology, TPO melt is processed into sheet material, the surface treatment of surface layer TPO sheet material is that dumb light and scratch-resistant surface treatment are carried out in the surface of TPO sheet material, to adopt compound by TPO epidermal area and polypropylene foam layer (PPF) of the form of glueing joint with the laminating of polypropylene expanded layer.
Dumb light and scratch-resistant surface treatment are to adopt polyurethanes dumb light surface conditioning agent.
Glued joint bonding agent and adopt bi-component polyurethane fat bonding agent.
Here, before splicing, first adopt interface treating agent to process the surface of TPO sheet material, interface treating agent is acrylate base co-polymer or two component polyurethane.
Claims (2)
1. an inner decoration material for automobile, it is characterized in that comprising surface layer TPO, the polypropylene expanded layer being pasted together with surface layer TPO, with listed as parts by weight, surface layer TPO is by TPO, response type TPO, polypropylene, polyethylene, hindered amine, inorganic filler, bulking agent, lubricant, adsorbent, fire retardant, smoke suppressant composition, TPO consumption is 45-55 part, response type TPO consumption is 9-12 part, polypropylene consumption is 18-22 part, polyethylene consumption is 9-12 part, its consumption of hindered amine is 0.9-1.1 part, inorganic filler adopts nanometer grade calcium carbonate, its consumption is 18-22 part, bulking agent adopts polypropylene-maleic anhydride graft copolymer, its consumption is 0.4-0.6 part, lubricant adopts fatty acid magnesium, its consumption is 0.4-0.6 part, adsorbent adopts silica, its consumption is 0.9-1.1 part, fire retardant adopts melamine pyrophosphate, its consumption is 5-7 part, smoke suppressant adopts Firebrake ZB, its consumption is 2.5-3.5 part.
2. inner decoration material for automobile according to claim 1, the foaming ratio that it is characterized in that polypropylene expanded layer at 10 times between 30 multiples.
3. manufacture the method for inner decoration material for automobile according to claim 1 and 2 for one kind, it is characterized in that comprising successively the preparation of surface layer TPO melt, the moulding of surface layer TPO sheet material, the surface treatment of surface layer TPO sheet material, laminating with polypropylene expanded layer, the preparation of surface layer TPO melt is will to form the TPO of surface layer TPO by the method for banburying, response type TPO, polypropylene, polyethylene, hindered amine, inorganic filler, bulking agent, lubricant, adsorbent, fire retardant, smoke suppressant banburying becomes melt, the moulding of surface layer TPO sheet material is, by calendering technology, TPO melt is processed into sheet material, the surface treatment of surface layer TPO sheet material is that dumb light and scratch-resistant surface treatment are carried out in the surface of TPO sheet material, with the laminating of polypropylene expanded layer be adopt the form of glueing joint by surface layer TPO compound with polypropylene expanded layer.
4. the manufacture method of inner decoration material for automobile according to claim 3, is characterized in that dumb light and scratch-resistant surface treatment are to adopt polyurethanes dumb light surface conditioning agent to carry out surface treatment.
5. according to the manufacture method of the inner decoration material for automobile described in claim 3 or 4, it is characterized in that the form of glueing joint is to adopt bi-component polyurethane fat bonding agent to glued joint.
6. according to the manufacture method of the inner decoration material for automobile described in claim 3 or 4, before it is characterized in that glueing joint, first adopt interface treating agent to process the surface of TPO sheet material, interface treating agent is acrylate base co-polymer or two component polyurethane.
7. the manufacture method of inner decoration material for automobile according to claim 5, before it is characterized in that glueing joint, first adopts interface treating agent to process the surface of TPO sheet material, and interface treating agent is acrylate base co-polymer or two component polyurethane.
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| CN201110362402.2A CN102514337B (en) | 2011-11-16 | 2011-11-16 | Automobile interior decoration material and production method thereof |
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| CN103012901B (en) * | 2012-12-13 | 2015-09-09 | 广东天安新材料股份有限公司 | A kind of easily shaping inner decoration material for automobile |
| CN103085283A (en) * | 2013-01-28 | 2013-05-08 | 常熟市汽车饰件股份有限公司 | Automobile door interior trimming plate manufacturing technology |
| JP6205205B2 (en) * | 2013-08-09 | 2017-09-27 | 昭和電工パッケージング株式会社 | Molding packaging material |
| CN103965800B (en) * | 2014-05-09 | 2016-01-13 | 天津市大林新材料科技有限公司 | A kind of environment-friendly type TPO automotive interior material and preparation method thereof |
| CN104589748B (en) * | 2015-02-04 | 2017-04-19 | 上海铱塑科技有限公司 | Enhanced TPO (thermoplastic polyolefin) automobile instrument skin material and manufacturing method thereof |
| CN105058932A (en) * | 2015-07-30 | 2015-11-18 | 广东天安新材料股份有限公司 | Surface decorative material |
| CN105907323A (en) * | 2016-05-30 | 2016-08-31 | 苏州瑞高新材料有限公司 | Flame-retardant environment-friendly TPO (thermoplastic polyolefin) synthetic leather and preparation method thereof |
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| CN106280040A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒信汽车内饰制造有限公司 | The preparation method of automobile stand column plaque environment-friendly materials |
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| CN109789664A (en) * | 2017-05-24 | 2019-05-21 | 沙特基础工业全球技术公司 | Meet the thermoplastic composite of railway transportation interior trim standards |
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| CN107323046A (en) * | 2017-06-30 | 2017-11-07 | 苏州瑞高新材料有限公司 | A kind of automotive trim TPO epidermises and preparation method thereof |
| CN107584821A (en) * | 2017-07-17 | 2018-01-16 | 安徽天安新材料有限公司 | A kind of furniture building materials artificial leather surface layer material and its preparation method and application |
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| CN108822375A (en) * | 2018-05-18 | 2018-11-16 | 沧州大化股份有限公司 | A kind of automobile thermoplastic polyolefin elastomer interior material and preparation method thereof |
| CN109910411B (en) * | 2018-12-29 | 2021-03-09 | 太仓鸿恩电子科技有限公司 | Lightweight environment-friendly automobile interior material and preparation process thereof |
| US11560111B2 (en) * | 2019-03-29 | 2023-01-24 | Mcpp Innovation Llc | All TPO airbag assemblies |
| CN110903591A (en) * | 2019-12-10 | 2020-03-24 | 界首市旭升塑胶制品有限公司 | Preparation method of semitransparent skin material for automotive interior |
| CN110936687A (en) * | 2019-12-13 | 2020-03-31 | 福建兰天包装材料有限公司 | Low-glossiness anaerobic biodegradable biaxially oriented polypropylene film |
| CN112757153B (en) * | 2021-03-09 | 2022-07-12 | 万华化学集团电子材料有限公司 | Multi-structure chemical mechanical polishing pad, manufacturing method and application thereof |
| CN113462053B (en) * | 2021-06-22 | 2024-05-07 | 上海海优威新材料股份有限公司 | Flexible polymer wear resistant sheet |
| CN114193883B (en) * | 2021-12-24 | 2023-05-26 | 苏州瑞高新材料有限公司 | Interior material for low-pressure injection molding and preparation method thereof |
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Application publication date: 20120627 Assignee: ANHUI TIAN'AN NEW MATERIALS CO., LTD. Assignor: Guangdong Tianan New Material Co., Ltd. Contract record no.: 2018440000025 Denomination of invention: Automobile interior decoration material and production method thereof Granted publication date: 20140507 License type: Common License Record date: 20180319 |
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