CN101037022A - Method of processing the surface of glass fiber strengthened plastic material - Google Patents
Method of processing the surface of glass fiber strengthened plastic material Download PDFInfo
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- CN101037022A CN101037022A CN 200610057554 CN200610057554A CN101037022A CN 101037022 A CN101037022 A CN 101037022A CN 200610057554 CN200610057554 CN 200610057554 CN 200610057554 A CN200610057554 A CN 200610057554A CN 101037022 A CN101037022 A CN 101037022A
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Abstract
The invention relates to a method for processing the surface of glass fiber reinforced plastic composite to make it present many changes of stripe colours or patterns of glass fiber. The said method comprises the following steps. Firstly, a glass fiber reinforced plastic plate is provided and a surface oriented model plastic film is covered on the glass fiber reinforced plastic plate. And then the plastic plate and plastic film are put into a same mold. After hot pressing the mold under vacuum condition, the plastic plate and plastic film are bonded together to form glass fiber reinforced plastic composite with preset modelling on the surface. Afterward the glass fiber reinforced plastic composite is cooled. Finally, the said mold is reopenned to extract the treated glass fiber reinforced plastic composite.
Description
Technical field
The present invention relates to the glass fiber reinforced plastic field of compound material, especially relate to and a kind ofly handling, make this glass fiber reinforced plastic composite present the method for multiple glass fibre lines color or change in pattern at this glass fiber reinforced plastic composite material surface.
Background technology
In general composite, is wherein general a kind of molding mode with glass fibre as reinforcement material (reinforcement), in fact, (fiber glass reinforced plastics is that purposes is the most a kind of in the composite product FGRP) to use the glass fiber reinforced plastic of this reinforcement material institute moulding.Use the adding reinforcement of glass fibre, can make rigidity or the not high plastic cement of intensity originally, significantly improve its characteristic, thereby as structural material, add that this plastic cement has light weight, intensity is good, plasticity is strong, and excellent characteristics such as energy is moisture resistance, anticorrosive, thereby in device structures such as space flight, boats and ships, transportation, building materials, electronics, electrical equipment, be applied.
The former material of glass fiber reinforced plastic mainly comprises: base material (matrix), as the glass fibre and the secondary goods, materials and equipments of reinforcement material (reinforcement).Glass fibre is to make finished product have high strength and high rigidity (coefficient of elasticity); base material then is the material that moulds that forms desirable shape and structure; base material coats and the cover glass fiber avoids wearing and tearing or being damaged; and between glass fibre, transmit, disperse the load that born, make finished product have compressive resistance.Base material is by different resin kind or ratio, be processed to form plastic cement type miscellaneous after adding filler, and the plastic cement of this formation generally can be divided into thermoplastic plastic (thermo plastics) or thermosetting plastic (thermosettingplastics).
At present, glass fiber reinforced plastic be with glass fibre and resin with hand laying method (handlay-up) or resin injection method (resin injection, mode combination in addition such as RI), through steps such as normal temperature or heating, the final curing moulding.In this forming process, glass fibre is because of absorbing the resin shape that is translucent, thereby the lines that makes this kind glass fiber reinforced plastic can't present original fibrage or arrange, and the special surface moulding that the forfeiture fiber grain can present.Therefore, in order to show the special grains that described glass fibre weaves or arranges, a kind of method with glass fibre dyeing is arranged, yet this method can only cooperate the primary colors of reinforcement material to present, so adopt the lines of this method performance or change color is quite limited and dull.Afterwards, a kind of colorant that adds was arranged in resin, thereby changed the method for overall appearance color, but adopt this method to cause the transparency of resin to reduce, so still can not effectively highlight the lines and the color and luster of glass fibre.Therefore, the glass fiber reinforced plastic composite is unsatisfactory in the performance of glass fibre lines now, cause the aesthetic property and the particularity deficiency of this material, and be difficult to further to be applied on the product that aesthetic appearance has relatively high expectations, make the range of application of this material can't obtain expansion or extend.
Summary of the invention
For the glass fibre lines that improves glass fiber reinforced plastic composite in the prior art presents not good shortcoming, the lines moulding that makes this glass fibre weave or arrange can be known and presents, and have multiple color or change in pattern simultaneously, the present invention will provide a kind of method of processing processing on the glass fiber reinforced plastic surface, adopt a kind of plastic film with molding surface, improve and originally can't know the shortcoming that presents fiber grain, and adopt the plastic film of this molding surface, can make fiber grain present the appearance change of different-effect, the glass fiber reinforced plastic composite further is applied on the product that aesthetic appearance has relatively high expectations, and present effect according to the formed fiber of this method of employing simultaneously, replace expensive carbon fiber reinforcement plastic composite material, thereby reduce the needed cost of manufacturing process Central Plains material.
The surface treatment method of glass fiber strengthened plastic material of the present invention comprises the following steps: that (1) provides a glass fiber reinforced plastic plate; (2) above this glass fiber reinforced plastic plate, cover a molding surface plastic film; (3) this plastic plate and plastic film are placed in the mould, under vacuum state, carry out hot pressing, make this plastic plate and plastic film be placed on bond and engage, form the glass fiber strengthened plastic material that a kind of surface has predetermined moulding; (4) cool off this glass fiber strengthened plastic material; And (5) open this mould, and this glass fiber strengthened plastic material is taken out.Wherein, this glass fiber reinforced plastic plate is a kind of glass fiber-reinforced thermoplastic plastic, and this molding surface plastic film also is a kind of thermoplastic plastic, but not as limit, it also can be selected from thermosetting plastic simultaneously.When this glass fiber reinforced plastic plate and this molding surface plastic film all are the thermoplastic plastic, this glass fiber reinforced plastic plate can be a kind of glass fiber-reinforced PETG (polyethylene terephthalate, PET) composite, this molding surface plastic film then can be a kind of PETG, but not as limit, other is for example: acrylonitrile-butadiene propylene-styrene copolymer (acrylonitrilebutadiene-styrene, ABS) resin, polybutylene terepthatlate (polybutyleneterephthalate, PBT), polyphenylene sulfide (polyphenylene sulfide, PPS), polyetherimide glue (polyether imide, PEI), polypropylene (polypropylene, PP), polyamide (po1yamide, nylon), polyethylene (polyethylene, PE), polystyrene (polystyrene, PS), polyvinyl chloride (polyvinyl chloride, PVC) or Merlon (polycarbonate PC) waits the rapidoprint also can be used as the inventive method.
The treatment in accordance with the present invention method, only need be with the desired moulding plastic film that presents moulding, carry out hot pressing after covering the glass fiber reinforced plastic plate, need not to see through binder, just this plastic plate and plastic film can be bonded with each other in the mode of bond (self-bonding) voluntarily, quite simple on operation, required cost is also quite low.Glass fiber strengthened plastic material after engaging, see through color or pattern that the moulding plastic film is presented, cooperate with the fiber grain of glass fiber reinforced plastic plate, not only can know the lines that presents original fiber, the performance that more can present the whole special color of glass fibre, gradual layer color or pattern changes, make the inventive method can produce glass fiber strengthened plastic material, make the range of application of this plastic cement material more wide with kinds of surface effect.
Further specify embodiments of the present invention below with reference to accompanying drawing; following cited embodiment is used for illustrating the present invention; be not to be used for limiting scope of the present invention; concerning those skilled in the art; without departing from the spirit and scope of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Description of drawings
Fig. 1 is the schematic flow sheet of embodiment of the invention method;
Fig. 2 is the schematic diagram of embodiment of the invention glass fiber strengthened plastic material surface treatment method;
Fig. 3 is the cross-sectional schematic after the surface treatment of embodiment of the invention glass fiber strengthened plastic material;
Fig. 4 is the cross-sectional schematic of second embodiment after the glass fiber strengthened plastic material surface treatment of the present invention;
Fig. 5 is the cross-sectional schematic of the 3rd embodiment after the glass fiber strengthened plastic material surface treatment of the present invention;
Fig. 6 is the cross-sectional schematic of the 4th embodiment after the glass fiber strengthened plastic material surface treatment of the present invention;
Fig. 7 is the cross-sectional schematic of the 5th embodiment after the glass fiber strengthened plastic material surface treatment of the present invention.
The specific embodiment
See figures.1.and.2, Fig. 1 is the schematic flow sheet of embodiment of the invention method, and Fig. 2 is the schematic diagram of embodiment of the invention glass fiber strengthened plastic material surface treatment method.The surface treatment method of glass fiber strengthened plastic material of the present invention mainly is after covering a molding surface plastic film 10 on the glass fiber reinforced plastic plate 20, carries out hot pressing processing and handles.
The processing method of the embodiment of the invention comprises the following steps: that (1) provides a glass fiber reinforced plastic plate S10; (2) above this glass fiber reinforced plastic plate, cover a molding surface plastic film S20; (3) this plastic plate and plastic film are placed in the mould, under vacuum state, carry out hot pressing S30, this plastic plate and plastic film bond are engaged, form the glass fiber strengthened plastic material that a kind of surface has predetermined moulding; (4) this glass fiber strengthened plastic material of cooling S40; And (5) demoulding S50, with this glass fiber strengthened plastic material by taking out in this mould.Wherein, steps such as hot pressing, cooling and the demoulding are general industry technology commonly used, do not further specify.
In embodiments of the present invention, because between glass fiber reinforced plastic plate and molding surface plastic film, need not to see through binder and only need adopt mode of heating, just this plastic plate and plastic film can be bonded with each other in the mode of bond voluntarily, so quite simple on operation, required cost is also quite low.Glass fiber strengthened plastic material after engaging, just can be used as the material of all kinds product, this plastic cement material through after the predetermined shape of the hot-forming S60 one-tenth of secondary operations, can be produced the glass fiber reinforced plastic product with desired color or change in pattern surface again.
In the embodiment of the invention, glass fiber reinforced plastic plate 20 is composites of a kind of glass fiber-reinforced PETG (PET), and the material of molding surface plastic film 10 is a kind of PETG, this plastic plate and plastic film base material all are the thermoplastic plastics, but the present invention is not as limit, and this plastic plate and plastic film also can belong to thermosetting plastic together.
Glass fiber reinforced plastic plate 20 is not limited in the PET material, also can be other engineering plastic (engineering plastics), for example: acrylonitrile-butadiene propylene-styrene copolymer (acrylonitrile butadiene-styrene, ABS) resin, polybutylene terepthatlate (polybutylene terephthalate, PBT), polyphenylene sulfide (polyphenylenesulfide, PPS), polyetherimide glue (polyether imide, PEI), or other is as polypropylene (polypropylene, PP), polyamide (polyamide, nylon), polyethylene (polyethylene, PE), polystyrene (polystyrene, PS), polyvinyl chloride (polyvinyl chloride, PVC), Merlon (polycarbonate, thermoplastic plastic such as PC), or epoxy resin (epoxy), vinyl acetate (vinyl ester) resin, thermosetting plastics such as unsaturated polyester (UP) (polyester) resin.
The molding mode of glass fibre lines in the glass fiber reinforced plastic plate 20, the processing mode that can adopt yarn bundle (roving) to be, evenly disperse or the fiber grain of the shape of weaving cotton cloth to cut methods such as strand (chopped strand), a chopped strand mat (choppedstrand mat), woven roving (woven roving) or pin seam material, to form; Or adopt and compile the processing mode that yarn (yarn) is, with plain weave (plain weave), order equalize and knit, twill weave (twill weave) or satin knit modes (aforementioned woven roving also has this weave) such as (stain weave), form tool the weave cotton cloth glass cloth or the glass tape of shape fiber grain, but be not limited in aforementioned.
Molding surface plastic film 10 also is not limited in the PET material, can select for use and glass fiber reinforced plastic plate 20 same kinds, foregoing plastic cement material.In addition, molding surface plastic film 10 also can be for being transparence, dying with color, being printed with pattern, or the plastic cement of effects such as imitative chamois leather, weaving cloth cover, describes according to following examples now.
With reference to Fig. 3, this figure is the cross-sectional schematic after the surface treatment of embodiment of the invention glass fiber strengthened plastic material.In the present embodiment, molding surface plastic film 10 is the transparent polyester films 11 that are selected from a kind of PET of belonging to material, and glass fiber reinforced plastic plate 20 also is a kind of PET of belonging to material and be the glass fiber reinforced plastic plate 21 of transparence.According to above-mentioned selection mode, from adopt glass fiber strengthened plastic material surface that the present invention forms can clear view to the lines that glass fibre wove, arranges, and increase the thickness of plastic cement materials, the effect of generation fiber grain three-dimensional by transparent polyester film 11.
With reference to Fig. 4, this figure is the cross-sectional schematic of second embodiment after the glass fiber strengthened plastic material surface treatment of the present invention.In the present embodiment, molding surface plastic film 10 is to be selected from a kind of PET of belonging to material and to dye coloured dyeing polyester film 12, and glass fiber reinforced plastic plate 20 is still a kind of PET of belonging to material and be the glass fiber reinforced plastic plate 21 of transparence.According to above-mentioned selection mode, not only can clear view to the lines that glass fibre wove, arranges, more can make the fiber grain of glass fiber reinforced plastic plate 21 present the color and luster of dyeing polyester film 12.When this glass fibre is the shape lines of weaving cotton cloth, and when cooperating the dyeing polyester film 12 of nearly black system simultaneously, the outward appearance that this plastic cement material presents is suitable with the carbon fiber reinforcement plastic cement, therefore can the present invention replace the cost height, raw material is obtained difficult carbon fiber reinforcement plastic cement processing procedure by adopting, then Related product not only can significantly reduce manufacturing cost, more can keep the fiber grain outward appearance suitable with carbon fiber, and the characteristic of high strength, high rigidity.
With reference to Fig. 5, this figure is the cross-sectional schematic of the 3rd embodiment after the glass fiber strengthened plastic material surface treatment of the present invention.In the present embodiment, molding surface plastic film 10 is the transparent polyester films 11 that are selected from a kind of PET of belonging to material, glass fiber reinforced plastic plate 20 then is a kind of PET of belonging to material, and glass fibre dyed colorant or sputter (sputtering) metal are arranged, thereby present the stained glass fiber reinforcement plastic plate 22 of special color or metallic luster.According to above-mentioned selection mode, can be by glass fiber strengthened plastic material surface clear view to glass fibre lines with special color or metallic luster, and increase the thickness of plastic cement materials, the effect of generation fiber grain three-dimensional by transparent polyester film 11.
With reference to Fig. 6, this figure is the cross-sectional schematic of the 4th embodiment after the glass fiber strengthened plastic material surface treatment of the present invention.In the present embodiment, can be further in aforementioned second embodiment, a kind of printing pattern layer 30 of transparent polyester film 11 surface printings of glass fiber strengthened plastic material.This printing pattern layer 30 can be at transparent polyester film 11 with before stained glass fiber reinforcement plastic plate 22 engages, in advance with thermal transfer mode, at transparent polyester film 11 surface printing trade marks, title or other pattern or literal, make in presenting the background of fiber grain, highlight printed pattern, or see through this printed patterns and the special visual effect of fiber grain generation.
With reference to Fig. 7, this figure is the cross-sectional schematic of the 5th embodiment after the glass fiber strengthened plastic material surface treatment of the present invention.In the present embodiment, molding surface plastic film 10 is the polyester textile fiber cloth 13 that is selected from a kind of PET of belonging to material, and glass fiber reinforced plastic plate 20 then is a kind of PET of belonging to material and be the glass fiber reinforced plastic plate 21 of transparence.Polyester textile fiber cloth 13 is a kind of by the moulding of polyester (polyester) fiber institute, and is the PET weaving cloth of a kind of imitative chamois leather or weaving cloth cover lines, so this plastic cement material surface presents the visual effect of chamois leather or cloth cover.
Aforementioned surfaces moulding plastic film 10 only is an example with the type that cooperates of glass fiber reinforced plastic plate 20, and not as limit, this cooperates type can be any combination of aforementioned kenel or other kenel.Therefore, by the present invention, can be easily according to described surface treatment method, utilize the molding surface plastic film 10 of different kenels, present special solid color on the glass fiber strengthened plastic material surface, gradual layer color or metallic luster, or the glass fibre lines that cooperates printed patterns to change, and can be by molding surface plastic film 10, increase the thickness of plastic cement material, and produce the effect of fiber grain three-dimensional simultaneously, the glass fiber strengthened plastic material that the inventive method is manufactured has changeable molding surface, and then make this plastic cement material outside the application of structural wood, can extend and be applied to daily electrical home appliances, container, packing box, furniture, in the middle of the ornaments, make this plastic cement material more popular on utilizing and using.
Claims (9)
1, a kind of surface treatment method of glass fiber strengthened plastic material is characterized in that: comprise the following steps:
(1) provides a glass fiber reinforced plastic plate;
(2) above this glass fiber reinforced plastic plate, cover a molding surface plastic film;
(3) this plastic plate and plastic film are placed in the mould, under vacuum state, carry out hot pressing, this plastic plate and plastic film bond are engaged, form the glass fiber strengthened plastic material that a kind of surface has predetermined moulding;
(4) cool off this glass fiber strengthened plastic material; And
(5) open this mould, this glass fiber strengthened plastic material is taken out.
2, the surface treatment method of glass fiber strengthened plastic material according to claim 1, it is characterized in that: this glass fiber reinforced plastic plate is a kind of glass fiber-reinforced thermoplastic plastic, and this molding surface plastic film also is a kind of thermoplastic plastic.
3, as the surface treatment method of glass fiber strengthened plastic material as described in the claim 2, it is characterized in that: this glass fiber reinforced plastic plate is the composite of a kind of glass fiber-reinforced PETG (PET), and the material of this molding surface plastic film is a kind of PETG.
4, the surface treatment method of glass fiber strengthened plastic material according to claim 1, it is characterized in that: the glass fibre in this glass fiber reinforced plastic plate dyes a kind of colorant.
5, the surface treatment method of glass fiber strengthened plastic material according to claim 1, it is characterized in that: the glass fibre sputter in this glass fiber reinforced plastic plate has a kind of metal.
6, as the surface treatment method of glass fiber strengthened plastic material as described in claim 4 or 5, it is characterized in that: this molding surface plastic film is transparence.
7, as the surface treatment method of glass fiber strengthened plastic material as described in claim 4 or 5, it is characterized in that: this molding surface plastic film is to comprise a kind of colorant that forms predetermined color.
8, as the surface treatment method of glass fiber strengthened plastic material as described in claim 4 or 5, it is characterized in that: the surface of this molding surface plastic film is printed with a kind of printing pattern layer in advance.
9, as the surface treatment method of glass fiber strengthened plastic material as described in claim 4 or 5, it is characterized in that: this molding surface plastic film is a kind of polyester fiber weaving cloth.
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| CNB2006100575540A CN100534783C (en) | 2006-03-15 | 2006-03-15 | Method of processing the surface of glass fiber strengthened plastic material |
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| CNB2006100575540A CN100534783C (en) | 2006-03-15 | 2006-03-15 | Method of processing the surface of glass fiber strengthened plastic material |
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| CN101037022A true CN101037022A (en) | 2007-09-19 |
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