CN111907158A - White epoxy glass fiber cloth laminated board with two-dimensional code laser-printed and press-fitting process - Google Patents
White epoxy glass fiber cloth laminated board with two-dimensional code laser-printed and press-fitting process Download PDFInfo
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- CN111907158A CN111907158A CN202010871672.5A CN202010871672A CN111907158A CN 111907158 A CN111907158 A CN 111907158A CN 202010871672 A CN202010871672 A CN 202010871672A CN 111907158 A CN111907158 A CN 111907158A
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- 230000008569 process Effects 0.000 title claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 92
- 238000007648 laser printing Methods 0.000 claims description 45
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 42
- 239000003795 chemical substances by application Substances 0.000 claims description 35
- 239000002994 raw material Substances 0.000 claims description 32
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 claims description 31
- 239000012752 auxiliary agent Substances 0.000 claims description 26
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 21
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 21
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 21
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 21
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 21
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 21
- 239000012463 white pigment Substances 0.000 claims description 21
- 239000011152 fibreglass Substances 0.000 claims description 17
- 238000002791 soaking Methods 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000007598 dipping method Methods 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000006081 fluorescent whitening agent Substances 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 5
- 239000004816 latex Substances 0.000 claims description 5
- 229920000126 latex Polymers 0.000 claims description 5
- 239000005871 repellent Substances 0.000 claims description 5
- 230000002940 repellent Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
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- Laminated Bodies (AREA)
Abstract
The invention discloses a white epoxy glass fiber cloth laminated board for laser two-dimensional code printing and a pressing process, and belongs to the technical field of epoxy glass fiber cloth laminated boards. Through the performance of improving epoxy glass fiber cloth laminated board single face high temperature resistance, antifriction, difficult burn to resin colour and ingredient allotment, the pattern that the sign indicating number formed is beaten to the laser is difficult for discolouing, and the planarization is good, and the definition is high, and the discernment rank reaches A level, and minimum dimension can reach 1mm, and reduce cost is convenient for to the thickness management and control, can trace back the management to the product.
Description
Technical Field
The invention relates to the technical field of epoxy glass fiber cloth laminated boards, in particular to a white epoxy glass fiber cloth laminated board with two-dimensional codes printed by laser and a laminating process.
Background
Epoxy resin is a common material in not only daily life but also national defense science and technology at present due to the advantages of light weight, high strength, good corrosion resistance, good electrical insulation performance, easy processing and forming, wide source of production raw materials, high cost performance and the like. The epoxy glass fiber cloth laminated board is used as an epoxy resin material modified and reinforced by glass fiber, and is widely applied due to better mechanical property, insulating property and good processing type. At present, the epoxy glass fiber cloth laminated board is mainly applied to the fields of electronic products, vehicles, buildings and the like.
However, due to the fact that electronic product technology and functions are accumulated in the new and new days, higher requirements are provided for traceability and traceability of products, and particularly in the field of electronic product assemblies, difficulties are provided for manufacturers of the electronic product assemblies due to the complexity and small area of the whole electronic material, the manufacturing cost and identification capability of traceability codes and the like. At present, most of the methods are that 1, a character printing method is carried out on a product body; 2. pasting a two-dimensional code mode; 3. and (3) performing laser on the metal reinforcement, and the like, but if the product design is small in area and high in traceability requirement and no metal reinforcement design exists in the product, performing laser two-dimensional code on the epoxy glass fiber cloth laminated board.
Because the conventional epoxy glass fiber cloth laminated board has three colors of natural color, yellow color and black color, for a laser process, the epoxy glass fiber cloth laminated board with the three colors can not meet the requirement of two-dimensional code definition. Therefore, the epoxy glass fiber cloth laminated board with white application is produced on the market, the process of the white epoxy glass fiber cloth laminated board on the market achieves the surface white effect by printing a layer of white paint on the common natural-color epoxy glass fiber cloth laminated board, the cost is increased, the product thickness control difficulty is high, the surface layer of white ink is burnt by laser high temperature in the laser code printing process, the color of a pattern formed by laser code printing is changed and even deformed, the two-dimensional code scanning identification grade is BC grade, the minimum size is 3mm and 3mm, and the requirements of high identification degree and small size of the two-dimensional code cannot be met.
Disclosure of Invention
The invention aims to provide a white epoxy glass fiber cloth laminated board with a laser printed two-dimensional code and a pressing process, wherein the performances of high temperature resistance, friction resistance and burning resistance of a single surface of the epoxy glass fiber cloth laminated board are improved by blending the color and components of resin, a pattern formed by laser printing is not easy to change color, the flatness is good, the definition of the pattern or a bar code is high, the identification level reaches A level, the minimum size value is further reduced to 1mm x 1mm, the process of printing white ink can be omitted by changing the color of the resin, the cost is reduced, the thickness of the white epoxy glass fiber cloth laminated board can be conveniently controlled, the product can be conveniently traced and managed, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a white epoxy glass fiber cloth laminated board for laser two-dimensional code printing comprises an epoxy glass fiber cloth laminated board body and a laser printing layer, wherein the laser printing layer is bonded on the side wall of the epoxy glass fiber cloth laminated board body, the epoxy glass fiber cloth laminated board body is formed by mutually overlapping a plurality of structural unit layers, each structural unit layer comprises epoxy glass fiber cloth, a PP film and a yellow resin layer, and the yellow resin layers are bonded on the inner surface layer and the outer surface layer of the epoxy glass fiber cloth through the PP films;
the laser printing layer and the structural unit layer are mutually bonded through the emulsion layer; the laser printing layer is composed of the following raw materials in percentage by mass: 75-85% of transparent resin, 5-15% of calcium carbonate, 2-5% of porcelain clay, 0.1-0.12% of sodium carboxymethyl cellulose, 0.02-0.04% of white pigment and 5-6% of auxiliary agent.
Further, the laser printing layer is composed of the following raw materials in percentage by mass: 75% of transparent resin, 15% of calcium carbonate, 5% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent.
Further, the laser printing layer is composed of the following raw materials in percentage by mass: 80% of transparent resin, 12% of calcium carbonate, 3% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent.
Further, the laser printing layer is composed of the following raw materials in percentage by mass: 85% of transparent resin, 8% of calcium carbonate, 2% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent.
Further, the auxiliary agent comprises a leveling agent, a curing agent, a fluorescent whitening agent, a dispersing agent and a water repellent agent.
Further, the yellow resin layer is composed of a curing agent, a yellow resin and a leveling agent.
And further, the adjacent structural unit layers are mutually bonded through a PP film.
According to another aspect of the invention, a pressing process of a white epoxy fiberglass cloth laminated board for laser two-dimensional code printing is provided, which comprises the following steps:
s101: weighing, namely weighing the following raw materials in percentage by mass: 75-85% of transparent resin, 5-15% of calcium carbonate, 2-5% of porcelain clay, 0.1-0.12% of sodium carboxymethyl cellulose, 0.02-0.04% of white pigment and 5-6% of auxiliary agent;
s102: preparing, namely putting the transparent resin, the calcium carbonate, the porcelain clay, the sodium carboxymethyl cellulose, the white pigment and the auxiliary agent in a formula ratio into a dispersion cylinder for low-speed dispersion to obtain a raw material of a laser printing layer;
s103: soaking resin, namely soaking N-1 pieces of epoxy glass fiber cloth into yellow resin, and soaking the rest pieces of epoxy glass fiber cloth into the raw material of the laser printing layer;
s104: stacking, namely mutually overlapping the taken epoxy glass fiber cloth and the PP film in a staggered manner, wherein the epoxy glass fiber cloth soaked with the raw material of the laser printing layer is placed on the bottom layer;
s105: and pressing, namely pressing the epoxy glass fiber cloth and the PP film at high temperature and high pressure, and combining the optimized pressing auxiliary materials and stacking to form the white epoxy glass fiber cloth laminated board.
Further, the yellow resin, the curing agent and the leveling agent are mixed in advance in the grease dipping process, and the epoxy glass fiber cloth is cut into the specified size.
Compared with the prior art, the invention has the beneficial effects that: according to the white epoxy glass fiber cloth laminated board printed with the two-dimensional code by the laser and the pressing process, the resin color and the components are mixed to improve the performances of high temperature resistance, friction resistance and burning resistance of the single surface of the epoxy glass fiber cloth laminated board, the patterns formed by laser coding are not easy to change color, the flatness is good, the definition of the patterns or bar codes is high, the recognition level reaches A level, the minimum size value is further reduced and can reach 1mm to 1mm, the process of printing white ink can be omitted by changing the resin color, the cost is reduced, the thickness of the white epoxy glass fiber cloth laminated board can be conveniently controlled, and the product can be traced and managed.
Drawings
FIG. 1 is an overall structure diagram of a laser-printed two-dimensional code white epoxy fiberglass cloth laminated board of the invention;
FIG. 2 is a structural unit layer structure diagram of a white epoxy glass fiber cloth laminated board for laser two-dimensional code printing according to the present invention;
fig. 3 is a flow chart of a press-fit process of the laser-printed two-dimensional code white epoxy glass fiber cloth laminated board of the invention.
In the figure: 1. an epoxy fiberglass cloth laminate body; 11. a structural unit layer; 111. epoxy glass fiber cloth; 112. a PP film; 113. a yellow resin layer; 114. a latex layer; 2. the layer is laser printed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 2, a white epoxy glass fiber cloth laminated board for laser two-dimensional code printing comprises an epoxy glass fiber cloth laminated board body 1 and a laser printing layer 2, wherein the laser printing layer 2 is bonded on the side wall of the epoxy glass fiber cloth laminated board body 1, the epoxy glass fiber cloth laminated board body 1 is formed by mutually overlapping a plurality of structural unit layers 11, each structural unit layer 11 comprises an epoxy glass fiber cloth 111, a PP film 112 and a yellow resin layer 113, the inner surface layer and the outer surface layer of the epoxy glass fiber cloth 111 are respectively bonded with the yellow resin layer 113 through the PP film 112, the yellow resin layer 113 is composed of a curing agent, yellow resin and a leveling agent, leveling and solidification are accelerated, and adjacent structural unit layers 11 are mutually bonded through the PP film 112.
The laser printing layer 2 and the structural unit layer 11 are mutually bonded through a latex layer 114; the laser printing layer 2 is composed of the following raw materials in percentage by mass: 75% of transparent resin, 15% of calcium carbonate, 5% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent, wherein the auxiliary agent comprises a leveling agent, a curing agent, a fluorescent whitening agent, a dispersing agent and a water repellent agent.
Referring to fig. 3, in order to better show the process of laser-printing the white epoxy fiberglass cloth laminated board with the two-dimensional code, the embodiment now provides a press-bonding process of the laser-printing the white epoxy fiberglass cloth laminated board with the two-dimensional code, which includes the following steps:
s101: weighing, namely weighing the following raw materials in percentage by mass: 75% of transparent resin, 15% of calcium carbonate, 5% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent;
s102: preparing, namely putting the transparent resin, the calcium carbonate, the porcelain clay, the sodium carboxymethyl cellulose, the white pigment and the auxiliary agent in a formula ratio into a dispersion cylinder for low-speed dispersion to obtain a raw material of the laser printing layer 2;
s103: soaking the grease, namely soaking N-1 pieces of epoxy glass fiber cloth 111 into yellow resin, and soaking the rest pieces of epoxy glass fiber cloth 111 into the raw material of the laser printing layer 2; the resin dipping step comprises the steps of mixing yellow resin, a curing agent and a flatting agent in advance, and cutting the epoxy glass fiber cloth 111 into specified sizes; wherein N is the total number of the epoxy glass fiber cloth 111 required by one white epoxy glass fiber cloth laminated board;
s104: stacking, namely overlapping the taken epoxy glass fiber cloth 111 and the PP film 112 in a staggered manner, wherein the epoxy glass fiber cloth 111 soaked with the raw material of the laser printing layer 2 is placed on the bottom layer;
s105: and (3) pressing, namely pressing the epoxy glass fiber cloth 111 and the PP film 112 at high temperature and high pressure, and combining the optimized pressing auxiliary materials and stacking to form the white epoxy glass fiber cloth laminated board.
Example two
Referring to fig. 1 to 2, a white epoxy glass fiber cloth laminated board for laser two-dimensional code printing comprises an epoxy glass fiber cloth laminated board body 1 and a laser printing layer 2, wherein the laser printing layer 2 is bonded on the side wall of the epoxy glass fiber cloth laminated board body 1, the epoxy glass fiber cloth laminated board body 1 is formed by mutually overlapping a plurality of structural unit layers 11, each structural unit layer 11 comprises an epoxy glass fiber cloth 111, a PP film 112 and a yellow resin layer 113, the inner surface layer and the outer surface layer of the epoxy glass fiber cloth 111 are respectively bonded with the yellow resin layer 113 through the PP film 112, the yellow resin layer 113 is composed of a curing agent, yellow resin and a leveling agent, leveling and solidification are accelerated, and adjacent structural unit layers 11 are mutually bonded through the PP film 112.
The laser printing layer 2 and the structural unit layer 11 are mutually bonded through a latex layer 114; the laser printing layer 2 is composed of the following raw materials in percentage by mass: 80% of transparent resin, 12% of calcium carbonate, 3% of china clay, 0.1% of sodium carboxymethylcellulose, 0.04% of white pigment and 4.96% of auxiliary agent, wherein the auxiliary agent comprises a leveling agent, a curing agent, a fluorescent whitening agent, a dispersing agent and a water repellent agent.
Referring to fig. 3, in order to better show the process of laser-printing the white epoxy fiberglass cloth laminated board with the two-dimensional code, the embodiment now provides a press-bonding process of the laser-printing the white epoxy fiberglass cloth laminated board with the two-dimensional code, which includes the following steps:
s101: weighing, namely weighing the following raw materials in percentage by mass: 80% of transparent resin, 12% of calcium carbonate, 3% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent;
s102: preparing, namely putting the transparent resin, the calcium carbonate, the porcelain clay, the sodium carboxymethyl cellulose, the white pigment and the auxiliary agent in a formula ratio into a dispersion cylinder for low-speed dispersion to obtain a raw material of the laser printing layer 2;
s103: soaking the grease, namely soaking N-1 pieces of epoxy glass fiber cloth 111 into yellow resin, and soaking the rest pieces of epoxy glass fiber cloth 111 into the raw material of the laser printing layer 2; the resin dipping step comprises the steps of mixing yellow resin, a curing agent and a flatting agent in advance, and cutting the epoxy glass fiber cloth 111 into specified sizes; wherein N is the total number of the epoxy glass fiber cloth 111 required by one white epoxy glass fiber cloth laminated board;
s104: stacking, namely overlapping the taken epoxy glass fiber cloth 111 and the PP film 112 in a staggered manner, wherein the epoxy glass fiber cloth 111 soaked with the raw material of the laser printing layer 2 is placed on the bottom layer;
s105: and (3) pressing, namely pressing the epoxy glass fiber cloth 111 and the PP film 112 at high temperature and high pressure, and combining the optimized pressing auxiliary materials and stacking to form the white epoxy glass fiber cloth laminated board.
EXAMPLE III
Referring to fig. 1 to 2, a white epoxy glass fiber cloth laminated board for laser two-dimensional code printing comprises an epoxy glass fiber cloth laminated board body 1 and a laser printing layer 2, wherein the laser printing layer 2 is bonded on the side wall of the epoxy glass fiber cloth laminated board body 1, the epoxy glass fiber cloth laminated board body 1 is formed by mutually overlapping a plurality of structural unit layers 11, each structural unit layer 11 comprises an epoxy glass fiber cloth 111, a PP film 112 and a yellow resin layer 113, the inner surface layer and the outer surface layer of the epoxy glass fiber cloth 111 are respectively bonded with the yellow resin layer 113 through the PP film 112, the yellow resin layer 113 is composed of a curing agent, yellow resin and a leveling agent, leveling and solidification are accelerated, and adjacent structural unit layers 11 are mutually bonded through the PP film 112.
The laser printing layer 2 and the structural unit layer 11 are mutually bonded through a latex layer 114; the laser printing layer 2 is composed of the following raw materials in percentage by mass: 85% of transparent resin, 8% of calcium carbonate, 2% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent, wherein the auxiliary agent comprises a leveling agent, a curing agent, a fluorescent whitening agent, a dispersing agent and a water repellent agent.
Referring to fig. 3, in order to better show the process of laser-printing the white epoxy fiberglass cloth laminated board with the two-dimensional code, the embodiment now provides a press-bonding process of the laser-printing the white epoxy fiberglass cloth laminated board with the two-dimensional code, which includes the following steps:
s101: weighing, namely weighing the following raw materials in percentage by mass: 85% of transparent resin, 8% of calcium carbonate, 2% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent;
s102: preparing, namely putting the transparent resin, the calcium carbonate, the porcelain clay, the sodium carboxymethyl cellulose, the white pigment and the auxiliary agent in a formula ratio into a dispersion cylinder for low-speed dispersion to obtain a raw material of the laser printing layer 2;
s103: soaking the grease, namely soaking N-1 pieces of epoxy glass fiber cloth 111 into yellow resin, and soaking the rest pieces of epoxy glass fiber cloth 111 into the raw material of the laser printing layer 2; the resin dipping step comprises the steps of mixing yellow resin, a curing agent and a flatting agent in advance, and cutting the epoxy glass fiber cloth 111 into specified sizes; wherein N is the total number of the epoxy glass fiber cloth 111 required by one white epoxy glass fiber cloth laminated board;
s104: stacking, namely overlapping the taken epoxy glass fiber cloth 111 and the PP film 112 in a staggered manner, wherein the epoxy glass fiber cloth 111 soaked with the raw material of the laser printing layer 2 is placed on the bottom layer;
s105: and (3) pressing, namely pressing the epoxy glass fiber cloth 111 and the PP film 112 at high temperature and high pressure, and combining the optimized pressing auxiliary materials and stacking to form the white epoxy glass fiber cloth laminated board.
In summary, the following steps: according to the white epoxy glass fiber cloth laminated board printed with the two-dimensional code by the laser and the pressing process, the resin color and the components are mixed to improve the performances of high temperature resistance, friction resistance and burning resistance of the single surface of the epoxy glass fiber cloth laminated board, the patterns formed by laser coding are not easy to change color, the flatness is good, the definition of the patterns or bar codes is high, the recognition level reaches A level, the minimum size value is further reduced and can reach 1mm to 1mm, the process of printing white ink can be omitted by changing the resin color, the cost is reduced, the thickness of the white epoxy glass fiber cloth laminated board can be conveniently controlled, and the product can be traced and managed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The white epoxy glass fiber cloth laminated board for laser two-dimensional code printing is characterized by comprising an epoxy glass fiber cloth laminated board body (1) and a laser printing layer (2), wherein the laser printing layer (2) is bonded on the side wall of the epoxy glass fiber cloth laminated board body (1), the epoxy glass fiber cloth laminated board body (1) is formed by mutually overlapping a plurality of structural unit layers (11), each structural unit layer (11) comprises an epoxy glass fiber cloth (111), a PP film (112) and a yellow resin layer (113), and the yellow resin layers (113) are bonded on the inner surface layer and the outer surface layer of the epoxy glass fiber cloth (111) through the PP film (112);
the laser printing layer (2) and the structural unit layer (11) are mutually bonded through a latex layer (114); the laser printing layer (2) is composed of the following raw materials in percentage by mass: 75-85% of transparent resin, 5-15% of calcium carbonate, 2-5% of porcelain clay, 0.1-0.12% of sodium carboxymethyl cellulose, 0.02-0.04% of white pigment and 5-6% of auxiliary agent.
2. The laser-printed two-dimensional code white epoxy fiberglass cloth laminated board according to claim 1, wherein the laser-printed layer (2) is composed of the following raw materials by mass percent: 75% of transparent resin, 15% of calcium carbonate, 5% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent.
3. The laser-printed two-dimensional code white epoxy fiberglass cloth laminated board according to claim 1, wherein the laser-printed layer (2) is composed of the following raw materials by mass percent: 80% of transparent resin, 12% of calcium carbonate, 3% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent.
4. The laser-printed two-dimensional code white epoxy fiberglass cloth laminated board according to claim 1, wherein the laser-printed layer (2) is composed of the following raw materials by mass percent: 85% of transparent resin, 8% of calcium carbonate, 2% of china clay, 0.1% of sodium carboxymethyl cellulose, 0.04% of white pigment and 4.96% of auxiliary agent.
5. The laser-two-dimensional-code white epoxy glass fiber cloth laminated board according to claim 1, wherein the auxiliary agent comprises a leveling agent, a curing agent, a fluorescent whitening agent, a dispersing agent and a water repellent agent.
6. The laser-two-dimensional-code white epoxy fiberglass cloth laminate of claim 1, wherein the yellow resin layer (113) is comprised of a curing agent, a yellow resin and a leveling agent.
7. A laser two-dimensional code-printed white epoxy fiberglass cloth laminate according to claim 1, wherein adjacent said structural unit layers (11) are bonded to each other by PP tape (112).
8. The pressing process of the laser-coded white epoxy fiberglass cloth laminated board according to any one of claims 1 to 7, is characterized by comprising the following steps:
s101: weighing, namely weighing the following raw materials in percentage by mass: 75-85% of transparent resin, 5-15% of calcium carbonate, 2-5% of porcelain clay, 0.1-0.12% of sodium carboxymethyl cellulose, 0.02-0.04% of white pigment and 5-6% of auxiliary agent;
s102: preparing, namely putting the transparent resin, the calcium carbonate, the porcelain clay, the sodium carboxymethyl cellulose, the white pigment and the auxiliary agent in a formula ratio into a dispersion cylinder for low-speed dispersion to obtain a raw material of the laser printing layer (2);
s103: soaking grease, namely soaking N-1 epoxy glass fiber cloth (111) into yellow resin, and soaking the rest epoxy glass fiber cloth (111) into the raw material of the laser printing layer (2);
s104: stacking, namely mutually overlapping the taken epoxy glass fiber cloth (111) and the PP film (112) in a staggered manner, wherein the epoxy glass fiber cloth (111) soaked with the raw material of the laser printing layer (2) is placed on the bottom layer;
s105: and (3) pressing, namely pressing the epoxy glass fiber cloth (111) and the PP film (112) at high temperature and high pressure, and combining the optimized pressing auxiliary materials and stacking to form the white epoxy glass fiber cloth laminated board.
9. The pressing process of the laser two-dimensional code printing white epoxy fiberglass cloth laminated board according to claim 8, characterized in that the resin dipping mixes the yellow resin with the curing agent and the leveling agent in advance, and the epoxy fiberglass cloth (111) is cut into the specified size.
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