CN100509341C - Method for forming composite material product and composite material thereof - Google Patents
Method for forming composite material product and composite material thereof Download PDFInfo
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- CN100509341C CN100509341C CNB2004100029449A CN200410002944A CN100509341C CN 100509341 C CN100509341 C CN 100509341C CN B2004100029449 A CNB2004100029449 A CN B2004100029449A CN 200410002944 A CN200410002944 A CN 200410002944A CN 100509341 C CN100509341 C CN 100509341C
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- Prior art keywords
- layer
- composite
- base cloth
- cloth layer
- knitting
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- 239000002131 composite material Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 56
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 17
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 17
- 238000007731 hot pressing Methods 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 239000000806 elastomer Substances 0.000 claims abstract description 8
- 238000009940 knitting Methods 0.000 claims description 36
- 239000000835 fiber Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims description 8
- 239000004793 Polystyrene Substances 0.000 claims description 7
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 7
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 7
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000009958 sewing Methods 0.000 description 7
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000754 repressing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The present invention relates to composite material product and its forming process. The making process includes preparing base material, hot pressing to form the composite material, cutting into required size and cold pressing to form product. The composite material hot pressing includes spreading thermoplastic polyurethane elastomer onto two sides of base cloth layer, covering one bonding layer one of the sides, and hot pressing at temperature 120-180 deg.c and pressure 2-10 kg/sq cm for 60-250 sec to form the composite material; and the composite material is cut and cold pressed at temperature 100-130 deg.c and pressure 2-10 kg/sq cm for 60-180 sec to form the composite material product. The composite material has smooth surface and high bonding strength.
Description
Technical field
The present invention relates to a kind of method and this composite of forming composite goods, particularly relate to a kind of after being ready to composite material base one-shot forming have the method for the composite of smooth surface, the composite that makes has preferable bond strength, can be used in the occasion of sewing simultaneously.
Background technology
Generally be used for the composite of article such as Production Example such as golf bag, notebook computer, portable phone shell, make base cloth layer with materials such as glass fibre, carbon fibers mostly earlier, then the fiber of base cloth layer is contained and for example be immersed in the thermosetting resin such as epoxy resin, stacked several layers of base cloth layer that contains resin pickup of thickness according to need afterwards, these base cloth layers of hot repressing just can forming composite.Aforementioned composite sprays multilayer polyurethanes (PU) lacquer after deburring, just can on composite, form smooth surface, aforementioned composite with smooth surface is imposed cold moudling again, just can make the composite product that needs shape and size.Hot-forming and cold moudling described herein is meant the heating-up temperature difference, and the heating-up temperature of cold moudling just compares hot-forming low.
By the prepared composite of above method, though have that thickness can arbitrarily increase and decrease and advantage such as intensity is good, spray the polyurethanes lacquer each time after, all need to wait for very long drying time, so whole manufacturing process needs time of growing.In addition, composite impregnation thermosetting resin in the fiber of base cloth layer in the past, the aforementioned hot thermosetting resin also can make the hardness hardening behind the composite material forming, causes goods can't be used in the occasion of sewing.
In order to make composite have suitable intensity, solve problems such as to be used in the sewing occasion simultaneously, though can be with base cloth layer and the moderate polyvinyl chloride (PVC) of hardness, polystyrene knitting layers such as (PS) is combined into composite, the practice is at the knitting layer surface sizing, the applying base cloth layer, again in the knitting layer or coating number strata carbamate (PU) lacquer of base cloth layer another side applying polyurethanes (PU), has smooth surface after making its moulding, but because base cloth layer and knitting layer all need have very long firm time after fitting, so its molding time is still very long, is not inconsistent economic benefit.In addition, the base cloth layer of being made by fibrous material belongs to different materials with knitting layer, so with the juncture of glue as the solid of this base cloth layer of bonding and knitting layer, bond strength after it engages is not good, be easy to generate to each other and peel off the phenomenon that comes off, and when heating process, solvent residual in the glue also can produce muddiness and bubble, has influence on the aesthetic property after composite and goods thereof engage.
Summary of the invention
But the objective of the invention is is providing a kind of rapid shaping, is forming the forming method of the composite product of smooth surface simultaneously.
Another object of the present invention is to provide a kind of and have preferable bond strength, and can be used in composite in the sewing processing occasion.
The method of forming composite goods of the present invention comprises: prepares base material, hot-forming composite, cuts into steps such as preliminary dimension and cold moudling goods, wherein:
This preparation base material step: be in order to prepare the base material of forming composite, above-mentioned base material comprises: the first film layer, second thin layer that fiber was made and was added with the base cloth layer of two amine surface conditioning agents, is made of thermoplastic polyurethanes elastomer (TPU), and first knitting layer, wherein, these thin layers are respectively to first basal plane and second basal plane that should base cloth layer, cover this first knitting layer on this first film layer.And this knitting layer is to be selected from: polyvinyl chloride, acrylonitrile-butadiene-styrene copolymer, polystyrene, Merlon or PETG.
This hot-forming composite step: with 120～180 ℃ temperature and 2～10kg/cm
2Pressure, to the base material hot pressing of stacked on top 60～250 seconds to form composite, in the process of hot pressing, these thin layers can melt in the fiber that infiltrates base cloth layer, and produce chemical bonded refractory with the surface conditioning agent in the base cloth layer, and on first basal plane that is combined in base cloth layer that first knitting layer is firm, simultaneously, this second thin layer also can be because of melting in the fiber that infiltrates base cloth layer, and form smooth surface on second basal plane of this base cloth layer.
This cuts into the preliminary dimension step: utilize the technology that cuts that the composite after hot-forming is cut into predetermined size shape.
This cold moudling goods step: on the composite that cuts into the preliminary dimension shape, impose 100～130 ℃ of temperature and pressure 2～10kg/cm with predetermined mould
2Extrusion forming, after 60～180 seconds time, just can finish this composite product.
Aforementioned composite product is by the moulding of heating pressurization institute by composite, and these thin layers are made of thermoplastic polyurethanes elastomer (TPU), and be laid on respectively on these basal planes of base cloth layer, so borrow this thin layer and heating pressurization, can make the combination firmly of first knitting layer and base cloth layer, and have preferable bond strength.
Composite of the present invention comprises: by base cloth layer, the first film layer, second thin layer that fibrous material constituted, and at least one knitting layer, wherein, this base cloth layer has first basal plane and second basal plane, it is characterized in that:
These thin layers are made of thermoplastic polyurethanes elastomer (TPU), and be laid on respectively on these basal planes of base cloth layer, wherein the first film layer is that hot press is between first basal plane of this knitting layer and base cloth layer, and this second thin layer be hot press on second basal plane of base cloth layer and form smooth surface, above-mentioned knitting layer is selected from: polyvinyl chloride, acrylonitrile-butadiene-styrene copolymer, polystyrene, Merlon or PETG.
Description of drawings
The present invention is described in detail below in conjunction with accompanying drawing:
Fig. 1 is the three-dimensional exploded view of first preferred embodiment of composite of the present invention.
Fig. 2 is the not complete combination cutaway view of the preferred embodiment.
Fig. 3 is a manufacturing flow chart, shows the composite of construction drawing 1 and the process that this composite is made into a composite product.
Fig. 4 is a stereogram, shows the composite product outward appearance that the manufacturing process with Fig. 3 makes.
Fig. 5 is the not complete combination cutaway view of second preferred embodiment of composite of the present invention.
The specific embodiment
Consult Fig. 1,2, first preferred embodiment of composite 2 of the present invention comprises: base cloth layer 21, the first film layer 22, second thin layer 23, first knitting layer 24 and second knitting layer 25.This base cloth layer 21 is made by carbon fiber (carbon fabric), is added with two amine surface conditioning agents in the fiber, and above-mentioned base cloth layer 21 has first basal plane 211 up, and down and and first basal plane 211 between the upper and lower every second basal plane 212.And these thin layers 22,23 are made of thermoplastic polyurethanes elastomer (hereinafter to be referred as TPU), and melt respectively on the basal plane 211,212 that is attached to base cloth layer 21.24,25 of these knitting layers are to be selected from: polyvinyl chloride (PVC), acrylonitrile-butadiene-styrene (ABS) (ABS) copolymer, polystyrene (PS), Merlon (PC) or PETG (PET), wherein, first knitting layer 24 borrows this first film layer 22 to fuse on first basal plane 211 of base cloth layer 21, and second knitting layer 25 is to borrow this second thin layer 23 to fuse on second basal plane 212 of base cloth layer 21.
Consult Fig. 1,3,4, in order to make this composite 2, and further this composite 2 is made into the composite product 2 ' of Fig. 4, the method of forming composite goods 1 of the present invention comprises: prepares base material, hot-forming composite 2, cuts into preliminary dimension, and four steps such as cold moudling goods.
Wherein, in the step of preparing base material, be to prepare the thin layer 22,23 of making and being added with the base cloth layer 21 of two amine surface conditioning agents, constituted by thermoplastic polyurethanes elastomer (TPU) by carbon fiber thing (carbon fabric) in advance, and these knitting layers 24,25, wherein these knitting layers 23 can be selected from: polyvinyl chloride (PVC), acrylonitrile-butadiene-styrene (ABS) (ABS), polystyrene (PS), Merlon (PC) or PETG (PET).
Impose hot pressing after stacked about aforementioned each base material, the temperature of hot pressing is 120～180 ℃, and the pressure of hot pressing is 2～10kg/cm
2Hot pressing time is 60～250 seconds, and in the process of these base material hot pressing, these thin layers 22,23 can heat melt in the fiber that infiltrates base cloth layer 21, and produce chemical bonded refractory with the surface conditioning agent of base cloth layer 21, so this first knitting layer 24 just can be borrowed the first film layer 22, on firm first basal plane 211 that is combined in base cloth layer 21, second knitting layer 25 also can borrow second thin layer 23 firmly to be combined in surely on second basal plane 212 of base cloth layer 21, to form this composite 2.And this cuts into the preliminary dimension step, is to utilize the technology that cuts that hot-forming composite 2 is cut into predetermined size shape.
Colding pressing in this cold moudling goods step is meant utilizes the temperature that is lower than heat-press step, and for the second time composite 2 is suppressed, above-mentioned steps is with predetermined mould the composite 2 that cuts into after the preliminary dimension shape to be imposed compacting, the temperature of colding pressing is 100～130 ℃, and the pressure of colding pressing is 2～10kg/cm
2, the time of colding pressing is 60～180 seconds, can make composite 2 softening in this process, gives extrusion forming again and just can finish as shown in Figure 4 this composite product 2 '.
That is to say that the present invention has preferable bond strength in order to make base cloth layer 21 and knitting layer 24,25, it is to establish one deck TPU thin layer 22,23 at knitting layer 24,25 and 21 folders out of the ordinary of base cloth layer, and does not use glue bonding.In the process of hot-forming composite, utilize hot pressing temperature that TPU thin layer 22 is melted in the fiber that infiltrates base cloth layer 21, terminal groups-the NCO of TPU thin layer 22,23 also can react with two amine surface conditioning agents of base cloth layer 21 simultaneously, and formation has firm bond effect-CONH base.When composite 2 is subjected to outside destroy, more can not produce the phenomenon of delamination.In addition, owing to there is not epoxy resin coating, therefore, this composite 2 also can be applicable in the occasion of sewing processing, so that more diversified processing mode to be provided on base cloth layer 21 in the present invention.
Consult Fig. 5, the composite 2 of the present invention's second preferred embodiment comprises: base cloth layer 21, the first film layer 22, second thin layer 23, and knitting layer 24 that is to say that the composite 2 of second preferred embodiment of the invention has only the knitting layer 24 of individual layer.Each base material stacks together up and down and accepts hot pressing and adds man-hour on composite 2, and this first film layer 22 can melt in the fiber that infiltrates base cloth layer 21 equally, and with knitting layer 24 and base cloth layer 21 combinations.And this second thin layer 24 also can infiltrate in the fiber of base cloth layer 21 because of hot pressing, and the outer surface at base cloth layer 21 forms a smooth surface simultaneously, and the manufacture process of aforementioned composite 2 is same as first embodiment, no longer explanation.
Conclude above-mentioned, the goods 2 ' of 2 moulding of composite of the present invention can be applicable in the occasion of sewing processing in the past, one deck knitting layer 24 of also can only fitting, composite 2 after its heating pressurization has a smooth surface, in addition, the composite of these goods of moulding, it is the thin layer 22 that is constituted by the thermoplastic polyurethanes elastomer, 23 as the means in conjunction with base cloth layer 21 and this knitting layer 24, above-mentioned technology not only can improve the bond strength of goods 2 ', also can be because of TPU thin layer 22, there is not solvent in 23, and can not produce bubble in heating process, make goods 2 ' have preferable aesthetic property.Base cloth layer 21 of the present invention does not have epoxy resin coating simultaneously, can allow composite 2 conveniently be applied in the occasion of sewing processing, so that more diversified processing mode to be provided yet.
Claims (2)
1. the method for forming composite goods, it is characterized in that: the method includes the steps of:
Prepare base material: prepare base material in order to forming composite, above-mentioned base material comprises: the base cloth layer of two amine surface conditioning agents is made and be added with to fiber, the first film layer that is constituted by the thermoplastic polyurethanes elastomer, second thin layer, and first knitting layer, wherein, this base cloth layer has first basal plane separately, second basal plane, this the first film layer is between between first basal plane and first knitting layer of base cloth layer, second thin layer is second basal plane that is attached to base cloth layer, and this knitting layer is to be selected from: polyvinyl chloride, acrylonitrile-butadiene-styrene copolymer, polystyrene, Merlon or PETG;
Hot-forming composite: with 120～180 ℃ temperature and 2～10kg/cm
2Pressure hot pressing 60～250 seconds, to form this composite, described thin layer can melt in the fiber that infiltrates base cloth layer at hot pressing, and and surface conditioning agent produces chemical bonded refractory, wherein the first film layer can be with firm being combined on the base cloth layer of knitting layer, and second thin layer then can form smooth surface on second basal plane of base cloth layer;
Cut into preliminary dimension: utilize the technology that cuts that the composite after hot-forming is cut into predetermined size shape; And
The cold moudling goods: the composite pressurization that will cut into the preliminary dimension shape with predetermined mould forms composite product, and above-mentioned cold moudling temperature is 100～130 ℃, and pressure is 2～10kg/cm
2, the time is 60～180 seconds.
2. the method for forming composite goods according to claim 1, it is characterized in that: in preparing the base material process, also preparing has second knitting layer, above-mentioned second knitting layer to be and the second thin layer combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100029449A CN100509341C (en) | 2004-01-20 | 2004-01-20 | Method for forming composite material product and composite material thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100029449A CN100509341C (en) | 2004-01-20 | 2004-01-20 | Method for forming composite material product and composite material thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1647905A CN1647905A (en) | 2005-08-03 |
| CN100509341C true CN100509341C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100029449A Expired - Lifetime CN100509341C (en) | 2004-01-20 | 2004-01-20 | Method for forming composite material product and composite material thereof |
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| Country | Link |
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| CN (1) | CN100509341C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032419B (en) * | 2009-09-30 | 2013-05-29 | 比亚迪股份有限公司 | Thermal insulation board and preparation method thereof |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100719997B1 (en) * | 2006-01-10 | 2007-05-21 | 이영재 | Film of escalator and moving walk hand rale for advertisement and method thereof |
| CN1948001B (en) * | 2006-11-13 | 2011-02-23 | 林志祥 | Synthetic material used specially for mould inner inlaid pieces injection moulding, and its preparation method |
| CN101637956B (en) * | 2008-08-01 | 2011-11-23 | 北京恒通创新木塑科技发展有限公司 | Full automatic production equipment and process for multi-layer composite wood-plastic building molded plate |
| CN102294830B (en) * | 2011-09-02 | 2014-07-16 | 宁波华业材料科技有限公司 | Method for manufacturing thermoplastic fibre reinforced building template |
| CN102320096A (en) * | 2011-09-02 | 2012-01-18 | 宁波华业材料科技有限公司 | Forming die of thermoplastic sheet material |
| CN102615758B (en) * | 2012-04-05 | 2014-04-16 | 北京化工大学 | Combined laminated composite calendering production line for multi-layer rubber sheet and compounding method |
| CN110582176B (en) * | 2019-10-12 | 2021-05-07 | Oppo广东移动通信有限公司 | Shell, manufacturing method thereof and electronic equipment |
-
2004
- 2004-01-20 CN CNB2004100029449A patent/CN100509341C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032419B (en) * | 2009-09-30 | 2013-05-29 | 比亚迪股份有限公司 | Thermal insulation board and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1647905A (en) | 2005-08-03 |
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