CN109263050B - Wood grain effect fiber material and preparation method thereof - Google Patents
Wood grain effect fiber material and preparation method thereof Download PDFInfo
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- CN109263050B CN109263050B CN201810877900.2A CN201810877900A CN109263050B CN 109263050 B CN109263050 B CN 109263050B CN 201810877900 A CN201810877900 A CN 201810877900A CN 109263050 B CN109263050 B CN 109263050B
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- resin
- fiber cloth
- wood grain
- grain effect
- carbon fiber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
- B29B15/127—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex by spraying
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Laminated Bodies (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a preparation method of a wood grain effect fiber material. The preparation method of the wood grain effect fiber material comprises the following steps: soaking carbon fiber cloth or glass fiber cloth in first resin so that the carbon fiber cloth or the glass fiber cloth is soaked in the first resin; covering one surface of the carbon fiber cloth or the glass fiber cloth immersed in the first resin with colored semi-cured second resin; repeating the steps to form a laminated structure of the carbon fiber cloth or the glass fiber cloth, the semi-cured resin and the carbon fiber cloth or the glass fiber cloth; forming the laminated structure under a preset pressure; and cutting the formed laminated structure from the top surface or the bottom surface along the direction inclined to the central axis direction vertical to the top surface or the bottom surface to form the wood grain effect fiber material. The preparation method of the wood grain effect fiber material can prepare the wood grain effect fiber material with the wood grain effect material.
Description
Technical Field
The invention relates to the technical field of carbon fiber materials, in particular to a wood grain effect fiber material and a preparation method thereof.
Background
Carbon Fiber (CF) is a new fiber material of high-strength and high-modulus fiber with carbon content above 95%. It is made up by stacking organic fibres of flake graphite microcrystals along the axial direction of fibre, and making carbonization and graphitization treatment so as to obtain the invented microcrystal graphite material. The carbon fiber is flexible outside and rigid inside, has lighter weight than metal aluminum, higher strength than steel, corrosion resistance and high modulus, and is an important material in national defense, military industry and civil use. It not only has the intrinsic characteristic of carbon material, but also has the soft workability of textile fiber, and is a new generation of reinforced fiber.
Glass fiber (original English name: glass fiber or fiber) is an inorganic non-metallic material with excellent performance, and has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, but has the defects of brittle property and poor wear resistance. The hair-care fiber is made of seven kinds of ores of pyrophyllite, quartz sand, limestone, dolomite, borocalcite and boromagnesite through the processes of high-temperature melting, wire drawing, winding, weaving and the like, wherein the diameter of each monofilament ranges from several micrometers to twenty micrometers, the monofilament is equivalent to 1/20-1/5 of one hair, and each bundle of fiber precursor consists of hundreds of even thousands of monofilaments. Glass fibers are commonly used as reinforcing materials in composite materials, electrical and thermal insulation materials, circuit substrates, and other various fields of the national economy.
The existing carbon fiber material is manufactured by weaving fiber sand and a resin base material, and the fiber weaving effect is achieved in appearance expression, so that the individual requirements of customers cannot be met.
Disclosure of Invention
Accordingly, there is a need for a method of preparing a wood grain effect fibrous material that can produce a material having a wood grain effect.
The invention also provides a wood grain effect fiber material.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
a preparation method of a wood grain effect fiber material comprises the following steps:
soaking carbon fiber cloth or glass fiber cloth in first resin so that the carbon fiber cloth or the glass fiber cloth is soaked in the first resin;
covering one surface of the carbon fiber cloth or the glass fiber cloth immersed in the first resin with colored semi-cured second resin;
repeating the steps to form a laminated structure of the carbon fiber cloth or the glass fiber cloth, the semi-cured resin and the carbon fiber cloth or the glass fiber cloth;
forming the laminated structure at a certain temperature and pressure;
and cutting the formed laminated structure from the top surface or the bottom surface along the direction inclined to the central axis direction vertical to the top surface or the bottom surface to form the wood grain effect fiber material.
According to the preparation method of the wood grain effect fiber material, the carbon fiber cloth or the glass fiber cloth is laminated with the colored semi-cured resin, and then the carbon fiber cloth or the glass fiber cloth is formed and cut along the preset angle, so that the carbon fiber material with the wood grain effect is formed, the appearance is attractive, and the individualized requirements of users can be met.
In some embodiments, in the step of coating the colored semi-cured second resin on one surface of the carbon fiber cloth or the glass fiber cloth dipped in the first resin, a method for coating the colored semi-cured second resin includes: the colored second resin is prefabricated into a semi-cured resin sheet and then directly covered.
In some embodiments, in the step of coating the colored semi-cured second resin on one surface of the carbon fiber cloth or the glass fiber cloth dipped in the first resin, a method for coating the colored semi-cured second resin includes: and spraying a second resin with color on one surface of the carbon fiber cloth or the glass fiber cloth soaked in the first resin by adopting spraying equipment, and then placing the carbon fiber cloth or the glass fiber cloth at the temperature of 55-65 ℃ to be in a semi-solidified state.
In some of these embodiments, the forming temperature is from 110 ℃ to 180 ℃ and the forming pressure is from 100psi to 200 psi.
In some embodiments, the thickness of the semi-cured resin is 0.03mm to 0.07 mm.
In some embodiments, the step of cutting the formed laminated structure from the top surface or the bottom surface along an angle oblique to the top surface or the bottom surface is performed at an angle oblique to the top surface or the bottom surface by 0-180 degrees, and does not include two endpoints.
In some embodiments, the cutting angle is along a direction of 5-30 degrees or 120-150 degrees from the top surface or the bottom surface.
In some embodiments, the oblique cuts are cuts that are oblique to the top or bottom surface and bent in several directions.
In some embodiments, the edges of the semi-cured resin are not flush with the edges of the carbon fiber cloth or the glass fiber cloth.
The invention also discloses a wood grain effect fiber material which is prepared by the preparation method of the wood grain effect fiber material.
Drawings
FIG. 1 is a schematic view of a laminated structure of a wood grain effect fibrous material according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a cutting process of the method of making the wood grain effect fibrous material of FIG. 1;
FIG. 3 is a schematic illustration of a wood grain effect fibrous material produced by the method of preparing the wood grain effect fibrous material of FIG. 1;
FIG. 4 is a schematic diagram of a cutting process of a method for preparing a wood grain effect fiber material according to another embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
The embodiment of the invention provides a preparation method 100 of a wood grain effect fiber material, which comprises the following steps:
soaking carbon fiber cloth or glass fiber cloth in first resin to enable the carbon fiber cloth or the glass fiber cloth to be soaked in the first resin to form carbon fiber cloth or glass fiber cloth 10 soaked in the first resin;
the colored semi-cured second resin is coated on one surface of the carbon fiber cloth or the glass fiber cloth 10 dipped in the first resin, and the second resin forms the semi-cured resin 20.
Referring to fig. 1, the above steps are repeated to form a laminated structure of the carbon fiber cloth or the glass fiber cloth 10, the semi-cured resin 20, and the carbon fiber cloth or the glass fiber cloth 10.
The above-described laminated structure 30 is molded under a predetermined pressure.
Referring to fig. 2, the molded laminated structure 30 is cut from the top surface or the bottom surface along a direction inclined with respect to a central axis perpendicular to the top surface or the bottom surface to form a wood grain effect fiber material 100, referring to fig. 3.
The first resin is preferably an epoxy resin. The second resin is preferably formed by mixing two-component epoxy resin, epoxy resin color paste and a diluent together.
The edge of the semi-cured resin 20 may be flush with the edge of the carbon fiber cloth or the glass fiber cloth 10, or may not be flush with the edge. Preferably not flush, so that the cut creates the effect of an asymmetrical texture.
Wherein the forming pressure is 100psi-200psi, preferably 140 psi; the forming temperature is 110-180 ℃, preferably 140 ℃, and the method is concretely characterized in that the method is formed by die pressing for a preset time after die pressure is set in a die. Wherein 1psi is in Europe and America, and is equivalent to 6.895 kPa.
The color of each semi-cured resin 20 in the laminated structure 30 may be the same or different, making a wood grain structure with different effects.
The method for covering the colored semi-cured second resin comprises the following steps: the colored second resin is prefabricated into a semi-cured resin sheet and then directly covered. Alternatively, the second resin having a color is sprayed on one side of the carbon fiber cloth or the glass fiber cloth 10 impregnated with the first resin using a spraying apparatus, and then is semi-cured at 55 ℃ to 65 ℃, which is preferably 50 ℃.
In one embodiment, the spraying device sprays the colored second resin onto one side of the carbon fiber cloth or the glass fiber cloth impregnated with the first resin at an angle of 40-50 degrees. The angle is preferably 45 degrees. The angle is adopted so that the second resin is in a semi-cured state more quickly.
The thickness of the semi-cured resin is 0.03mm-0.07mm, and the thickness can ensure that the cut wood grain effect is vivid.
In the step of cutting the formed laminated structure 30 from the top surface or the bottom surface along a direction oblique to the top surface or the bottom surface, the cutting angle is along a direction oblique to the top surface or the bottom surface by an angle of 0-180 degrees, and the two end points are not included. Preferably 5-30 degrees 120-150 degrees, more preferably 10 degrees or 120 degrees. The effect of the wood grain cut by the angle is closer to the real wood grain.
According to the preparation method of the wood grain effect fiber material, the carbon fiber cloth or the glass fiber cloth is laminated with the colored semi-cured resin, and then the carbon fiber cloth or the glass fiber cloth is formed and cut along the preset angle, so that the carbon fiber material with the wood grain effect is formed, the appearance is attractive, and the individualized requirements of users can be met.
The invention also discloses a wood grain effect fiber material which is prepared by the preparation method of the wood grain effect fiber material.
Example two
Referring to fig. 4, the difference between the embodiment and the embodiment is that the oblique cutting is cutting in a direction oblique to the top surface or the bottom surface and bending in several directions, for example, cutting a certain distance along the direction forming an angle of 120 degrees with the top surface or the bottom surface, then cutting a certain distance in the direction of 150 degrees, then cutting in the direction of 170 degrees, and finally forming the wood grain effect with several grains.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The preparation method of the wood grain effect fiber material is characterized by comprising the following steps:
soaking carbon fiber cloth or glass fiber cloth in first resin so that the carbon fiber cloth or the glass fiber cloth is soaked in the first resin; the first resin is epoxy resin;
prefabricating the second resin with colors into a semi-cured resin sheet, and then directly covering one surface of the carbon fiber cloth or the glass fiber cloth immersed in the first resin; or spraying a second resin with color on one surface of the carbon fiber cloth or the glass fiber cloth soaked in the first resin by adopting spraying equipment, and then placing the carbon fiber cloth or the glass fiber cloth at the temperature of 55-65 ℃ to be in a semi-solidified state; the second resin is formed by mixing two-component epoxy resin, epoxy resin color paste and a diluent together; the second resin forms a semi-cured resin;
repeating the steps to form a laminated structure of carbon fiber cloth or glass fiber cloth immersed in the first resin, semi-cured resin and the carbon fiber cloth or glass fiber cloth immersed in the first resin;
forming the laminated structure at a certain temperature and pressure;
and cutting the formed laminated structure from the top surface or the bottom surface along a direction inclined to the top surface or the bottom surface to form the wood grain effect fiber material.
2. The method of claim 1, wherein the forming temperature is 110 ℃ to 180 ℃ and the forming pressure is 100psi to 200 psi.
3. The method for producing a wood grain effect fibre material according to any one of claims 1-2, characterised in that the thickness of the semi-solidified resin is 0.03mm-0.07 mm.
4. The method for preparing wood grain effect fiber material according to claim 1, wherein the step of cutting the formed laminated structure from the top surface or the bottom surface along an inclination angle with the top surface or the bottom surface, wherein the cutting angle is along an inclination angle with the top surface or the bottom surface of 0-180 degrees, and does not include two end points.
5. The method for preparing a wood grain effect fiber material according to claim 4,
the cutting angle is along the direction which is 5-30 degrees or 120-150 degrees with the top surface or the bottom surface.
6. The method for preparing a wood grain effect fiber material according to claim 1,
the cutting is along a plurality of directions inclined and bent with the top surface or the bottom surface.
7. The method for preparing a wood grain effect fiber material according to claim 1, wherein the edges of the semi-cured resin are not flush with the edges of the carbon fiber cloth or the glass fiber cloth.
8. A wood grain effect fiber material, characterized by being produced by the method of producing a wood grain effect fiber material according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810877900.2A CN109263050B (en) | 2018-08-03 | 2018-08-03 | Wood grain effect fiber material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877900.2A CN109263050B (en) | 2018-08-03 | 2018-08-03 | Wood grain effect fiber material and preparation method thereof |
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| CN109263050A CN109263050A (en) | 2019-01-25 |
| CN109263050B true CN109263050B (en) | 2021-06-11 |
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| EP4061878A1 (en) | 2019-11-20 | 2022-09-28 | Covestro Intellectual Property GmbH & Co. KG | Fiber reinforced thermoplastic composite sheet and method for preparing the same |
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| CN2318295Y (en) * | 1997-07-23 | 1999-05-12 | 马国志 | Composite board of artificial natural ashtree |
| CN101239519A (en) * | 2007-02-09 | 2008-08-13 | 和成欣业股份有限公司 | Manufacturing method of colored panel and products produced thereby |
| CN102049895A (en) * | 2009-10-28 | 2011-05-11 | 瑞鸿复材企业股份有限公司 | Continuous fiber laminated plate and preparation method thereof |
| JP5462108B2 (en) * | 2010-08-09 | 2014-04-02 | 弘一 小畑 | How to paint wood |
| CN101941233B (en) * | 2010-08-17 | 2012-03-07 | 万峰石材科技有限公司 | Preparation method of artificial stone with imitated wood grain pattern and artificial stone |
| CN102431065A (en) * | 2011-10-25 | 2012-05-02 | 江苏快乐木业集团有限公司 | Straight grain laminated veneer layer lumber, and processing method and application thereof |
| CN104802281A (en) * | 2014-01-23 | 2015-07-29 | 吴文鸿 | Preparation method of textured artificial stone |
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