CN102848678A - A fiber composite material and its manufacturing method - Google Patents
A fiber composite material and its manufacturing method Download PDFInfo
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- CN102848678A CN102848678A CN201110176174XA CN201110176174A CN102848678A CN 102848678 A CN102848678 A CN 102848678A CN 201110176174X A CN201110176174X A CN 201110176174XA CN 201110176174 A CN201110176174 A CN 201110176174A CN 102848678 A CN102848678 A CN 102848678A
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Abstract
A fiber composite material comprises a fiber layer with concave-convex patterns on the surface thereof; and a resin layer uniformly coated on at least one surface of the fiber layer, wherein the surface of the resin layer is provided with concave-convex patterns corresponding to the fiber layer. A method for manufacturing the fiber composite material is also provided. A fiber prepreg comprises a fiber layer with concave-convex patterns on the surface thereof, an isolation layer and a soft layer are coated to the surface of the fiber prepreg with the resin layer, and hot pressing is performed through a hot pressing mold, to display the concave-convex patterns of the fiber prepreg through the resin layer after the hot pressing. The manufactured fiber composite material has patterns corresponding to the concave-convex patterns of the fiber layer on the surface thereof, to provide comfortable hand feeling and antiskid property.
Description
Technical field
The present invention relates to the fibrous composite field, be specifically related to a kind of fibrous composite and manufacture method thereof.
Background technology
Along with the development of electronics and information industry, the products such as hand-hold communication appliance such as mobile phone, panel computer have obtained very big development, and market competition is day by day fierce.The outward appearance of the differentiation of product and feel can improve the competitiveness of product.Realize that on the surface of product decorative pattern or the pattern of 3D not only can provide comfortable feel, increase aesthetics, can also strengthen antiskid, the anti scuffing ability of product.
Adopt forming plastic pieces to go out surperficial 3D decorative pattern comparatively simple and easy, only need in mould, process corresponding decorative pattern and get final product, but because the plastic parts poor-performing, performance is difficult to meet the demands when moulding electronic product such as panel computer.If the employing metal material, the one, can increase product weight, the 2nd, feel is also bad.Fibre reinforced materials has obtained to use more and more widely with the high characteristics of the light intensity of its quality.Simultaneously, because the property of fibre reinforced materials can be woven into cloth as fiber, not only structural material can be used as, also incrustation can be used as.
Current fibre reinforced materials mainly is fibre knitting cloth as the incrustation use, and forming method mainly is the molding mode of hot pressing.Fibre knitting cloth surface after hot-forming is generally high light or dumb light effect.Because the surface effect that fibre knitting cloth itself has convex-concave, after common forming method moulding is complete, fiber is by parcel that matrix resin covers, because resin is transparent, fiber is the equal of that " suspension " is within matrix resin, visual effect is 3D, but haptic effect remains the plane, as shown in Figure 1, be the structural representation of existing fibrous composite, matrix resin 11 parcel fibrous composites 10 among the figure, the irregular 3D pattern of this fibrous composite surface tool, but matrix resin 11 surfaces are the structures on plane, and haptic effect is planar structure.
Summary of the invention
The present invention is the problem of planar structure for solving existing middle matrix resin surface, thereby provides a kind of matrix resin surface of fibrous composite of wrapping up to be fibrous composite and the manufacture method thereof of concavo-convex 3D structure plan.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of fibrous composite comprises: fibrage, and its surface has relief pattern; Fibrolaminar at least one side evenly is coated with resin bed, and described resin layer surface is provided with the relief pattern corresponding with above-mentioned fibrage.
The present invention also provides a kind of manufacture method of fibrous composite, may further comprise the steps: step 1: fiber prepreg cloth is provided, and described fiber prepreg cloth comprises that the surface has the fibrage of relief pattern, and described fibrolaminar at least one side is soaked with resin bed; Step 2: have at fiber prepreg cloth and to be covered with one deck separation layer above the resin bed; Step 3: on described separation layer, be covered with a soft layer; Step 4: the fiber prepreg cloth after processing through above-mentioned steps is carried out hot pressing; Step 5: remove soft layer and separation layer.
Compared with prior art, the present invention has following beneficial effect: a kind of fibrous composite provided by the invention and manufacture method thereof, fiber prepreg cloth comprises that the surface has the fibrage of relief pattern, fiber prepreg cloth have be covered with separation layer and soft layer above the resin bed after, carry out hot pressing by hot-die, the relief pattern lines of fiber prepreg cloth is displayed by resin bed after hot pressing, the fibrous composite surface of making has the pattern corresponding with the fibrage relief pattern, thereby comfortable feel and non-skid property is provided.
Description of drawings
Fig. 1 is the structural representation of existing fibrous composite.
Fig. 2 is the flow chart of embodiment of the invention fibrous composite manufacture method.
Fig. 3 is the schematic diagram of step 2 in Fig. 2 flow chart.
Fig. 4 is the schematic diagram of step 3 in Fig. 2 flow chart.
Fig. 5 is the schematic diagram that does not carry out hot pressing in Fig. 2 flow chart step four.
Fig. 6 is the schematic diagram that carries out in Fig. 2 flow chart step four after the hot pressing.
Fig. 7 is the structural representation after Fig. 2 flow chart step four is removed soft layer and separation layer afterwards.
The specific embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
A kind of fibrous composite with reference to shown in Figure 7, comprising: fibrage 20, and its surface has relief pattern; At least the one side of fibrage 20 evenly is coated with resin bed 21, and described resin bed 21 surfaces are provided with the relief pattern corresponding with above-mentioned fibrage 20; Thereby this fibrous composite surface has the pattern corresponding with fibrolaminar relief pattern.The present embodiment has adopted on the two sides of fibrage 20 and evenly has been coated with resin bed 21, the novolac epoxy resin of this resin bed 21 for having heat resistance.
The present invention also provides a kind of manufacture method of fibrous composite, with reference to shown in Figure 2, the flow chart of embodiment of the invention fibrous composite manufacture method, may further comprise the steps: step 1: fiber prepreg cloth is provided, described fiber prepreg cloth comprises that the surface has the fibrage of relief pattern, and described fibrolaminar at least one side is soaked with resin bed; Step 2: have at fiber prepreg cloth and to be covered with one deck separation layer above the resin bed; Step 3: on described separation layer, be covered with a soft layer; Step 4: logical to carrying out hot pressing through the fiber prepreg cloth after the above-mentioned steps processing; Step 5: remove soft layer and separation layer.Fiber prepreg cloth comprises that the surface has the fibrage of relief pattern, fiber prepreg cloth have be covered with separation layer and soft layer above the resin bed after, carry out hot pressing by hot-die, the relief pattern lines of fiber prepreg cloth is displayed by resin bed after hot pressing, the fibrous composite surface of making has the pattern corresponding with the fibrage relief pattern, thereby comfortable feel and non-skid property is provided.
Below all have resin bed as example take fibrolaminar two sides, the detailed step of fibrous composite manufacture method of the present invention is described in detail in detail:
Step 1: fiber prepreg cloth is provided, and described fiber prepreg cloth comprises that the surface has the fibrage 20 of relief pattern, and described fibrolaminar at least one side is soaked with resin bed 21, the novolac epoxy resin of this resin bed 21 for having heat resistance.
Step 2: have at fiber prepreg cloth and to be covered with one deck separation layer 22 above the resin bed; As shown in Figure 3, the present embodiment is covered with separation layer 22 on the epoxy resin layer surface on two sides; Separation layer 22 in the present embodiment is release liners, release liners can be selected PE(polyethylene, polyethylene) release liners, PET(polyethylene terephthalate, PETG) release liners, OPP(O-phenylphenol, o-phenyl phenol) a kind of in release liners or the compound release liners, because release liners just plays the effect of isolation, so its thickness is got over Bao Yuehao, existing release liners general thickness is 0.03 ~ 0.05mm, and the release liners in this thickness range can meet the demands.The area of release liners is greater than the area of fiber prepreg cloth, because when hot pressing, has resin and flows out, and the resin of this part outflow just is unlikely to flow on the mould if in release liners.Because the content of resin is different in the fiber prepreg cloth, the area of release liners is than the area of fiber prepreg cloth large 30% ~ 50%.
Step 3: on described separation layer, be covered with a soft layer 23, as shown in Figure 4; This soft layer 23 can be selected the flexible film material, and should satisfy following two conditions: 1, softness, and can be so that can be not broken after the bending or crack; 2, easily sprawl, so that easily pave during moulding on the release liners surface.The soft layer material can be formed at the identical shape in fiber prepreg cloth surface with the part of fiber prepreg cloth Surface Contact when being heated, because this part material require utilizes its morphotropism, so thickness can not be too thin, General Requirements is not less than 0.05mm; Simultaneously can not be too thick, if thickness is too large, the heat conduction of mould is affected, General Requirements is not higher than 0.1mm.Certainly, if in practical condition, the lines of fiber prepreg cloth is very wide, can choose thicker flexible film material.The material of soft layer is thermoplastic or thermosets; Thermoplastic can be selected TPU (Thermoplastic polyurethanes, TPUE rubber), and this material can deliquescing under certain temperature, and can remain unchanged at normal temperatures.Thermosets can be selected PU(ploy urethane, polyurethane) the flexible film material is used for the decorative pattern of shaping fiber preimpregnation cloth, so its size should with fiber prepreg cloth in the same size, its position also should match with preimpregnation cloth position when placing.
Because the matrix material of fiber prepreg cloth is generally epoxy resin, and the cementability of epoxy resin is extremely strong, because release liners is not bonding with other material, if there is not release liners, directly the flexible film material is overlayed on the fiber prepreg cloth, both will be bonded together and cause being difficult to peel off after the moulding.
Step 4: the above-mentioned material that is covered with soft layer is carried out hot pressing by hot-die; Release liners and flexible film material cover just can put into mould 24 hot pressing after good, as shown in Figure 5, is the schematic diagram that does not carry out hot pressing in the step 4, and when not plus-pressure and temperature, release liners and flexible film material are indeformable; After plus-pressure and temperature, release liners and flexible film material can be out of shape, and as shown in Figure 6, are the schematic diagrames that carries out in the step 4 after the hot pressing.Under suitable temperature and pressure, the resin solidification in the fiber prepreg cloth forms the shape of surperficial convex-concave.Hot pressing temperature is generally selected 110 ~ 160 ℃, the pressure of hot pressing generally select 5 ~ 30 kgfs/centimetre
2Because flexible film material require distortion, so the deformation temperature of flexible film material also should be at 110 ~ 160 ℃, and flexible film material thermal degradation temperature should be higher than this scope.
Step 5: removing soft layer and separation layer as shown in Figure 7, is the structural representation after step 4 is removed soft layer and separation layer afterwards; After hot pressing was complete, goods were taken out in die sinking, and the flexible film material of this moment and release liners are bonded at product surface and take out with product, and the product surface of this moment does not have irregular 3D pattern effect.Must obtain the concavo-convex 3D pattern effect of product surface after flexible film material and release liners need to being removed.The method not only can the two-sided 3D effect of moulding, and the above embodiments are two-sided 3D pattern effect; Also can form the 3D lines of single face, namely add release liners and the flexible film material gets final product in one side; Its step repeats no more with aforementioned two-sided identical herein.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a fibrous composite is characterized in that, comprising: fibrage, and its surface has relief pattern; Fibrolaminar at least one side evenly is coated with resin bed, and described resin layer surface is provided with the relief pattern corresponding with above-mentioned fibrage.
2. fibrous composite according to claim 1 is characterized in that, described resin bed is novolac epoxy resin.
3. the manufacture method of a fibrous composite is characterized in that, may further comprise the steps:
Step 1: fiber prepreg cloth is provided, and described fiber prepreg cloth comprises that the surface has the fibrage of relief pattern, and described fibrolaminar at least one side is soaked with resin bed;
Step 2: have at fiber prepreg cloth and to be covered with one deck separation layer above the resin bed;
Step 3: on described separation layer, be covered with a soft layer;
Step 4: the fiber prepreg cloth after processing through above-mentioned steps is carried out hot pressing;
Step 5: remove soft layer and separation layer.
4. the manufacture method of fibrous composite according to claim 3 is characterized in that, described resin bed is novolac epoxy resin.
5. the manufacture method of fibrous composite according to claim 3 is characterized in that, described separation layer is release liners.
6. the manufacture method of fibrous composite according to claim 5 is characterized in that, described release liners is a kind of in PE release liners, PET release liners, OPP release liners or the compound release liners.
7. the manufacture method of fibrous composite according to claim 5 is characterized in that, the thickness of described release liners is 0.03 ~ 0.05mm.
8. the manufacture method of fibrous composite according to claim 3 is characterized in that, the thickness of described soft layer is 0.05 ~ 0.1 mm.
9. the manufacture method of fibrous composite according to claim 3 is characterized in that, the material of described soft layer is thermoplastic or thermosets.
10. the manufacture method of fibrous composite according to claim 9 is characterized in that, described thermoplastic is TPUE rubber.
11. the manufacture method of fibrous composite according to claim 9 is characterized in that, described thermosets is polyurethane.
12. the manufacture method of fibrous composite according to claim 3 is characterized in that, described hot pressing temperature is 110 ~ 160 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110176174.XA CN102848678B (en) | 2011-06-28 | 2011-06-28 | A fiber composite material and its manufacturing method |
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| CN201110176174.XA CN102848678B (en) | 2011-06-28 | 2011-06-28 | A fiber composite material and its manufacturing method |
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| CN102848678A true CN102848678A (en) | 2013-01-02 |
| CN102848678B CN102848678B (en) | 2015-04-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285158A (en) * | 2016-08-15 | 2017-01-04 | 云浮市欣粤电力器材有限公司 | The production method of anti-skidding composite material electric pole |
| CN108582921A (en) * | 2018-04-12 | 2018-09-28 | 江苏奥天利新材料有限公司 | A kind of ultralow temperature penetration PVB intermediate coats |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0752327A (en) * | 1993-08-19 | 1995-02-28 | Waaron:Kk | Decorative synthetic resin panel |
| TW590888B (en) * | 2002-10-24 | 2004-06-11 | Tien Jiang Entpr Co Ltd | Plastic composite material and method for producing product from composite material |
| CN101053988A (en) * | 2006-04-13 | 2007-10-17 | 和成欣业股份有限公司 | Panel forming method |
| CN101121310A (en) * | 2006-08-10 | 2008-02-13 | 林雪霞 | Method for manufacturing casing with textile fiber grain |
-
2011
- 2011-06-28 CN CN201110176174.XA patent/CN102848678B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0752327A (en) * | 1993-08-19 | 1995-02-28 | Waaron:Kk | Decorative synthetic resin panel |
| TW590888B (en) * | 2002-10-24 | 2004-06-11 | Tien Jiang Entpr Co Ltd | Plastic composite material and method for producing product from composite material |
| CN101053988A (en) * | 2006-04-13 | 2007-10-17 | 和成欣业股份有限公司 | Panel forming method |
| CN101121310A (en) * | 2006-08-10 | 2008-02-13 | 林雪霞 | Method for manufacturing casing with textile fiber grain |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285158A (en) * | 2016-08-15 | 2017-01-04 | 云浮市欣粤电力器材有限公司 | The production method of anti-skidding composite material electric pole |
| CN108582921A (en) * | 2018-04-12 | 2018-09-28 | 江苏奥天利新材料有限公司 | A kind of ultralow temperature penetration PVB intermediate coats |
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| CN102848678B (en) | 2015-04-22 |
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