CN101892789A - Molded composite product and production method thereof - Google Patents
Molded composite product and production method thereof Download PDFInfo
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- CN101892789A CN101892789A CN 201010237863 CN201010237863A CN101892789A CN 101892789 A CN101892789 A CN 101892789A CN 201010237863 CN201010237863 CN 201010237863 CN 201010237863 A CN201010237863 A CN 201010237863A CN 101892789 A CN101892789 A CN 101892789A
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Abstract
The invention relates to a laminar material, in particular to a molded composite product and a production method thereof. The molded composite product comprises at least the following raw materials: a first layer is a surface decorative fabric or leather, a second layer is a rebounding foam material, a third layer is a non-woven fabric made of a thermoplastic resin material and a fourth layer is a thermoplastic resin matrix. The product has the advantages of high uniformity of the surface, comfortable soft touch and high noise reduction performance by selecting the laminar material and organically combining flame pre-compounding technology and molding technology; and the production method has the characteristics of short working process and high efficiency.
Description
Technical field
The present invention relates to stratified material, particularly a kind of molded composite product and forming method thereof.
Technical background
Popular along with automobile consumption in order to cut down the consumption of energy, requires to reduce as much as possible the total quality of automobile on the one hand; Riding on the other hand personnel pursue riding comfortableness, require inside gadget to have soft sense of touch and noise reduction effect.The thing followed is that automotive trim adopts foamed material to realize this two functions as liner more and more.Be to realize this purpose, a kind of method commonly used at present is first injection mo(u)lding thermoplastic resin skeleton, and spray glue or brush coating on skeleton then bond to polyurethane foam and surface fabric or leather on the thermoplastic resin skeleton again.There is following weak point in this method: 1) production stage is too much, or production line is long, causes the manufacturing cost height; 2) viscose glue is grown and the follow-up typing processing of needs hardening time; 3) bondingly may there be organic peculiar smell etc.And the another kind of manufacture method that may adopt is a low-pressure injection molding technology, and secondary compaction injection moulding or order pouring procedure, but the shortcoming of these two kinds of methods is, the temperature or the pressure that advance near the thermoplastic resin of glue point are still very high, and the low temperature PUR at the ornament materials back side is easy to be punctured by thermoplastic resin, forms local hard spot, particularly when containing low-density foam, after high heat thermoplastic resin is introduced into foam, form expendable collapsing on the surface, form waste product.
Summary of the invention
The inventor is at existing problem in present goods and the technology, through overtesting, and molded goods with incrustation, manufacture method has surperficial high conformity, and it is short to have operation, the advantage that efficient is high.A kind of molded composite product has been proposed,
The object of the invention realizes being realized by following technical scheme:
Molded composite product of the present invention, its raw material comprises at least: but first floor incrustation fabric or leather, second layer resilience foam material, the 3rd layer of nonwoven and the 4th layer of thermoplastic resin matrix who makes by thermoplastic resin material; Described the 4th layer of thermoplastic resin matrix's THICKNESS CONTROL is between 1.5mm-3mm; Described the 4th layer of thermoplastic resin matrix is for comprising mineral or glass fibre filled polypropylene or acrylonitrile-butadiene-styrene (ABS) co-polymer resin; Described thermoplastic resin matrix's core is a foaming structure; Described thermoplastic resin matrix's core is that the cell diameter of foaming structure is accounting for 95% below 150 microns; But described second layer resilience foam material is a polyurethane foam, or the cross-linked polyolefin foam; But the density of described second layer resilience foam material is 30 kg/m
3--100 kg/m
3Between, thickness is between 1 mm--5mm.
Molded composite product according to claim 1 is characterized in that, described the 3rd layer is made as poly-dioctyl phthalate second diester nonwoven by thermoplastic resin.
The production method of described molded composite product is by comprising the following steps:
A) but with first floor incrustation fabric or leather, second layer resilience foam material, the 3rd layer of nonwoven of making by thermoplastic resin successively in advance flame be combined into one, and cut into molded needed shape in advance, place then and be fixed in the mold cavity close die;
B) in the nonwoven and the die space between mold cavity or the core chamber that three layers of the 4th layer of thermoplastic resin matrix's feed injection to the of preformed are made by thermoplastic resin;
C) cooling, die sinking, pickup.
Described above-mentioned processing step B) in, the 4th layer of thermoplastic resin matrix's raw material of preformed is the thermoplastic resin of preformed scheduled volume, in the molten thermoplastic resin, press 0.3-3% of thermoplastic resin quality then and add overcritical nitrogen or carbon dioxide, and under a supercriticality of described nitrogen or carbon dioxide, thermoplastic resin and nitrogen or carbon dioxide mix are formed homogeneous phase solution.
Advantage of the present invention is, by the selection of stratified material, and the organic assembling of pre-combination process of flame and molding process planning, make the product surface high conformity, have comfortable soft sense of touch and good anti-acoustic capability, manufacture method has the advantages that operation is short, efficient is high.
Description of drawings
Fig. 1: the cross section structure schematic diagram of a kind of goods of the present invention;
Fig. 2: process frame chart of the present invention.
The specific embodiment
For illustrating in greater detail characteristics of the present invention and advantage, the 1 and 2 pair of goods and manufacture method are described in detail in conjunction with the accompanying drawings.
As shown in drawings, label wherein: but 1--first floor surface decoration, 2--second layer resilience foam material, 3--the 3rd layer of nonwoven, 4--thermoplastic resin matrix.
Embodiment 1
The cross section structure schematic diagram of the appearance surfaces part of automobile door plate middle part plug-in unit as shown in Figure 1, the outward appearance part in use can contact with human body.First floor is a surface decoration layer 1, according to the needs of decorated style, can select fabric for use, or the PVC leather, adopts the PVC leather in the present embodiment; But the second layer is a resilience foam material 2, can adopt polyurethane foamed material, perhaps cross-linked polyolefin foam, and crosslinked polyethylene foamed material for example, according to the needs of designer, select thickness at 1 mm to sense of touch--between 5 mm, density is at 30 kg/m
3--100 kg/m
3Between foamed material; Because this foamed material has suitable compressibilty and good resilience, can make the goods after the moulding obtain soft feel, also make goods have better absorbing sound and lowering noise function; Adopt polyurethane foam material in the present embodiment, thickness is 4mm, and foam density is 55kg/m
3, the resilience index is less than 5% behind the pressurized; And the 3rd layer of nonwoven for making by thermoplastic resin, selecting grammes per square metre for use is every square metre 100 gram--the nonwoven of 200 grams, present embodiment adopts grammes per square metre to be about the poly-dioctyl phthalate second diester nonwoven of every square metre 170 gram, can with follow-up filling by melt bonds such as mineral or glass fibre filled polypropylene or acrylonitrile-butadiene-styrene (ABS) co-polymer (ABS) resins, also can stop the thermoplastic resin melt to enter into second layer sponge layer effectively.Material can directly obtain on commodity market in above-mentioned three; Before moulding, with the material selected by the broad-minded automotive fabrics in Changchun Co., Ltd with flame-treating process in advance with this first surface ornament materials 1(PVC leather), second layer sponge layer 2(polyurethane foam) and the 3rd strata dioctyl phthalate second diester nonwoven 3 compound in aggregates; Cut into needed shape then in advance, place then and be fixed in the mold cavity close die.To performance demands such as intensity, the 4th layer of thermoplastic resin matrix's material layer 4 chosen from comprise mineral or glass fibre filled polypropylene or acrylonitrile-butadiene-styrene (ABS) co-polymer resin according to goods, and thickness is between 1.5 mm-3 mm; Present embodiment adopts thick acrylonitrile-butadiene-phenylethylene copolymer (ABS) material of 2.3mm as the thermoplastic resin matrix; The ABS resin of plasticizing scheduled volume, press 0.3% of ABS resin plasticizing quality then--0.9% injects supercriticality nitrogen in molten resin, or 1%-3% injects the supercriticality carbon dioxide in molten resin; Inject 2% supercritical carbon dioxide in the present embodiment.Hybrid element by the screw rod rear portion fully mixes supercriticality carbon dioxide and ABS resin, forms homogeneous phase solution; Prepared homogeneous phase solution is expelled in the nonwoven of being made by thermoplastic resin and the die space between mold cavity or the core chamber; Cooling, die sinking, pickup obtains goods.
Embodiment 2
As embodiment 1, goods are identical automobile door plate middle part plug-in unit, and having than large tracts of land is appearance surfaces, and contacts with passenger or driver's hand.As different from Example 1, first floor surface decoration layer 1 is a fabric; Be that second layer polyurethane foam material is identical with embodiment 1 below tissue layer 1; Be the 3rd strata dioctyl phthalate second diester (PET) nonwoven under polyurethane foam, identical with embodiment 1; And the 4th layer be 2.3 millimeters thick, 10% glass filled polypropylene matrixes, and be foaming structure at core, and wherein 95% cell diameter at 150 microns once.First floor tissue layer 1, second layer polyurethane foam 2,3-layer PET nonwoven 3 all obtain from commodity market, and are combined into one with flame in advance by the broad-minded automotive fabrics in Changchun Co., Ltd.Press on the goods and to decorate area and, after composite material is cut in advance, put in the die cavity of mould and fix according to fixing needs; Plastify the acrylic resin that 10% glass is filled, press the overcritical nitrogen of adding in 0.4% the resin after fusing of resin quality, be mixed into homogeneous phase solution, this homogeneous phase solution is injected in the mould in the space between the nonwoven and die cavity; Cooling, the middle part plug-in unit is taken out in die sinking then.
No matter embodiment 1 still is embodiment 2, and the decorative cover of the goods that obtain is full, softness, the hard thing of no local crowning.
Though below design and embodiment according to the object of the invention have been done to elaborate with reference to accompanying drawing; but those of ordinary skills can recognize; under the precondition that does not break away from the claim limited range; still can make various improvement and conversion to the present invention, and this improvement and conversion still should belong to protection scope of the present invention.
Claims (10)
1.
A kind of molded composite product is characterized in that, its raw material comprises at least: but first floor incrustation fabric or leather, second layer resilience foam material, the 3rd layer of nonwoven and the 4th layer of thermoplastic resin matrix who makes by thermoplastic resin material.
2.
Molded composite product according to claim 1 is characterized in that, described the 4th layer of thermoplastic resin matrix's THICKNESS CONTROL is between 1.5mm-3mm.
3.
Molded composite product according to claim 1 is characterized in that, described the 4th layer of thermoplastic resin matrix is for comprising mineral or glass fibre filled polypropylene or acrylonitrile-butadiene-styrene (ABS) co-polymer resin.
4.
Molded composite product according to claim 1 is characterized in that, described thermoplastic resin matrix's core is a foaming structure.
5.
Molded composite product according to claim 4 is characterized in that, described thermoplastic resin matrix's core is that the cell diameter of foaming structure is accounting for 95% below 150 microns.
6.
Molded composite product according to claim 1 is characterized in that, but described second layer resilience foam material is a polyurethane foam, or the cross-linked polyolefin foam.
7.
Molded composite product according to claim 6 is characterized in that, but the density of described second layer resilience foam material is 30 kg/m
3--100 kg/m
3Between, thickness is between 1 mm--5mm.
8.
Molded composite product according to claim 1 is characterized in that, described the 3rd layer is made as poly-dioctyl phthalate second diester nonwoven by thermoplastic resin.
9.
The production method of molded composite product according to claim 1 is characterized in that, by comprising the following steps:
A) but with first floor incrustation fabric or leather, second layer resilience foam material, the 3rd layer of nonwoven of making by thermoplastic resin successively in advance flame be combined into one, and cut into molded needed shape in advance, place then and be fixed in the mold cavity close die;
B) in the nonwoven and the die space between mold cavity or the core chamber that three layers of the 4th layer of thermoplastic resin matrix's feed injection to the of preformed are made by thermoplastic resin;
C) cooling, die sinking, pickup.
10. the production method of molded composite product according to claim 9, it is characterized in that, described processing step B) in, the 4th layer of thermoplastic resin matrix's raw material of preformed is the thermoplastic resin of preformed scheduled volume, in the molten thermoplastic resin, press 0.3-3% of thermoplastic resin quality then and add overcritical nitrogen or carbon dioxide, and under a supercriticality of described nitrogen or carbon dioxide, thermoplastic resin and nitrogen or carbon dioxide mix are formed homogeneous phase solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237863 CN101892789A (en) | 2010-07-28 | 2010-07-28 | Molded composite product and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237863 CN101892789A (en) | 2010-07-28 | 2010-07-28 | Molded composite product and production method thereof |
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| CN101892789A true CN101892789A (en) | 2010-11-24 |
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| CN 201010237863 Pending CN101892789A (en) | 2010-07-28 | 2010-07-28 | Molded composite product and production method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619318A (en) * | 2012-04-25 | 2012-08-01 | 禹尔力 | Fabric inner wall decorating soft package |
| CN102824722A (en) * | 2012-09-13 | 2012-12-19 | 飞乐克斯（山东）体育有限责任公司 | Integral exercise mat of leather fabric and preparation method for integral exercise mat |
| CN103332224A (en) * | 2013-07-23 | 2013-10-02 | 天津国丰模具有限公司 | Automobile trim and preparation device and preparation method thereof |
| CN106761199A (en) * | 2017-01-17 | 2017-05-31 | 成都华固特种门窗有限公司 | A kind of interlayer sets the wooden vertical hinged door of insulation construction |
| CN108016109A (en) * | 2017-12-04 | 2018-05-11 | 昆山阿基里斯人造皮有限公司 | A kind of vehicle-mounted seat dermatine back pad and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06344362A (en) * | 1993-06-11 | 1994-12-20 | Mitsui Petrochem Ind Ltd | Manufacture of composite foam-molded product |
| CN2211923Y (en) * | 1994-05-12 | 1995-11-08 | 周国屏 | Composite wall cloth |
| CN1319486A (en) * | 2000-03-10 | 2001-10-31 | 住友化学工业株式会社 | Method for preparing foaming thermoplastic resin moulding products laminated with leather material and the foaming thermoplastic resin moulding material |
| CN101712789A (en) * | 2009-12-25 | 2010-05-26 | 北京中拓机械有限责任公司 | Fiber reinforcement injection molding product and injection molding method thereof |
| CN201856422U (en) * | 2010-07-28 | 2011-06-08 | 北京中拓机械有限责任公司 | Molded composite product |
-
2010
- 2010-07-28 CN CN 201010237863 patent/CN101892789A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06344362A (en) * | 1993-06-11 | 1994-12-20 | Mitsui Petrochem Ind Ltd | Manufacture of composite foam-molded product |
| CN2211923Y (en) * | 1994-05-12 | 1995-11-08 | 周国屏 | Composite wall cloth |
| CN1319486A (en) * | 2000-03-10 | 2001-10-31 | 住友化学工业株式会社 | Method for preparing foaming thermoplastic resin moulding products laminated with leather material and the foaming thermoplastic resin moulding material |
| CN101712789A (en) * | 2009-12-25 | 2010-05-26 | 北京中拓机械有限责任公司 | Fiber reinforcement injection molding product and injection molding method thereof |
| CN201856422U (en) * | 2010-07-28 | 2011-06-08 | 北京中拓机械有限责任公司 | Molded composite product |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619318A (en) * | 2012-04-25 | 2012-08-01 | 禹尔力 | Fabric inner wall decorating soft package |
| CN102824722A (en) * | 2012-09-13 | 2012-12-19 | 飞乐克斯（山东）体育有限责任公司 | Integral exercise mat of leather fabric and preparation method for integral exercise mat |
| CN103332224A (en) * | 2013-07-23 | 2013-10-02 | 天津国丰模具有限公司 | Automobile trim and preparation device and preparation method thereof |
| CN103332224B (en) * | 2013-07-23 | 2016-11-23 | 天津银宝山新科技有限公司 | Automotive trim and preparation facilities thereof and preparation method |
| CN106761199A (en) * | 2017-01-17 | 2017-05-31 | 成都华固特种门窗有限公司 | A kind of interlayer sets the wooden vertical hinged door of insulation construction |
| CN108016109A (en) * | 2017-12-04 | 2018-05-11 | 昆山阿基里斯人造皮有限公司 | A kind of vehicle-mounted seat dermatine back pad and preparation method thereof |
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Application publication date: 20101124 |