CN109334179A - A kind of antistatic self-lubricating type PCB cover plate for drilling hole and preparation method thereof - Google Patents
A kind of antistatic self-lubricating type PCB cover plate for drilling hole and preparation method thereof Download PDFInfo
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- CN109334179A CN109334179A CN201810922130.9A CN201810922130A CN109334179A CN 109334179 A CN109334179 A CN 109334179A CN 201810922130 A CN201810922130 A CN 201810922130A CN 109334179 A CN109334179 A CN 109334179A
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- Prior art keywords
- antistatic
- cover plate
- drilling hole
- lubricating type
- type pcb
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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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F1/00—Preventing the formation of electrostatic charges
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
-
- 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
- B32B2260/028—Paper layer
-
- 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
-
- 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
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
-
- 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
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
-
- 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
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention discloses a kind of antistatic self-lubricating type PCB cover plate for drilling hole and preparation method thereof, wherein, the method includes the steps: 80-95 parts of phenolic resin, 5-25 parts of graphite-like anti-static material and 0.5-5 parts of coupling agent are mixed by weight, antistatic phenolic resin adhesive is made；Paper is immersed in the antistatic phenolic resin adhesive, gum dipped paper prepreg is made；Several gum dipped paper prepregs are overlapped, by hot-pressing processing, the antistatic self-lubricating type PCB cover plate for drilling hole is made.The cover board prepared by the method for the invention not only has good conductive property, while also having the effect of self-lubricating, can prevent from generating electrostatic in boring procedure, to reduce danger coefficient and improve drilling quality rate.The cover board meets the safety requirements of application industry and meets the requirement of the various service performances and subsequent production technique of application field.
Description
Technical field
The present invention relates to the drilling field PCB more particularly to a kind of antistatic self-lubricating type PCB cover plate for drilling hole and its preparations
Method.
Background technique
Cover board used in PCB industry used at present is mostly the resin materials such as phenolic resin, melamine resin, Lauxite
Manufactured, these materials are all not antistatic high insulating materials.When cover board is covered in copper-clad plate, it will usually encounter cover board
With the situations such as the friction, impact and extruding of copper-clad plate friction, drill bit and cover board, at this moment lid surface is produced because of the accumulation of charge
Raw electrostatic, when the charge for generating electrostatic is eliminated not in time, will be generated because of static discharge human electric shock, production equipment failure,
The danger such as product quality decline, powder fire, explosion.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of antistatic self-lubricating type PCB to drill
With cover board and preparation method thereof, it is intended to solve existing cover board and be easy to produce electrostatic in boring procedure and danger coefficient is caused to increase
And the problem of influencing product drilling quality.
Technical scheme is as follows:
A kind of preparation method of antistatic self-lubricating type PCB cover plate for drilling hole, wherein comprising steps of
By weight by 80-95 parts of phenolic resin, 5-25 parts of graphite-like anti-static material and 0.5-5 parts of coupling agent
Mixing, is made antistatic phenolic resin adhesive；
Paper is immersed in the antistatic phenolic resin adhesive, gum dipped paper prepreg is made；
Several gum dipped paper prepregs are overlapped, by hot-pressing processing, the antistatic boring lid of self-lubricating type PCB is made
Plate.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein the graphite-like anti-static material is
One of expanded graphite, conductive carbon black, graphite oxide, crystalline flake graphite or graphene are a variety of.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein the coupling agent is silane coupled
One of agent, titanate coupling agent or aluminate coupling agent are a variety of.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein the paper be advanced release paper,
One of titanium white paper, brown paper, balance paper, bleached wood pulp paper are a variety of.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein the gum dipped paper prepreg it is upper
Glue amount is 40-50%.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein the gum dipped paper prepreg is waved
Hair part is 2-7%；And/or fluidity < 7%.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein described that paper is immersed in described resist
In step in electrostatic phenolic resin adhesive, dipping temperature is 100-140 DEG C, speed 20-25m/min.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein described that several gum dipped papers half are solid
Change piece overlapping, by hot-pressing processing, in the step of antistatic self-lubricating type PCB cover plate for drilling hole is made, hot pressing temperature is
120-165 DEG C, hot pressing pressure 6-8MPa, hot pressing time 50-90min.
The preparation method of the antistatic self-lubricating type PCB cover plate for drilling hole, wherein by 1-4 gum dipped paper prepregs
Overlapping, by hot-pressing processing, is made the antistatic self-lubricating type PCB cover plate for drilling hole.
A kind of antistatic self-lubricating type PCB cover plate for drilling hole, wherein be prepared using above-mentioned preparation method.
The utility model has the advantages that the present invention provides a kind of preparation method of antistatic self-lubricating type PCB cover plate for drilling hole, first in phenol
Graphite-like anti-static material and coupling agent are added in urea formaldehyde, is mixed to prepare antistatic phenolic resin adhesive, then passes through
The technique of dipping impregnates antistatic phenolic resin adhesive to prepreg is prepared on paper, finally by hot press in height
Antistatic self-lubricating type PCB cover plate for drilling hole is pressed under conditions of warm high pressure.The cover board prepared by the method for the invention is not only
It has good conductive property, while also having the effect of self-lubricating, can prevent from generating electrostatic in boring procedure, to drop
Low danger coefficient simultaneously improves drilling quality rate.The cover board meets the safety requirements of application industry and meets the various of application field and makes
With the requirement of performance and subsequent production technique.
Detailed description of the invention
Fig. 1 is a kind of process of the preparation method preferred embodiment of antistatic self-lubricating type PCB cover plate for drilling hole of the present invention
Figure.
Specific embodiment
It is of the invention to make the present invention provides a kind of antistatic self-lubricating type PCB cover plate for drilling hole and preparation method thereof
Purpose, technical solution and effect are clearer, clear, and the present invention is described in more detail below.It should be appreciated that this place is retouched
It states that specific examples are only used to explain the present invention, is not intended to limit the present invention.
Cover board used in existing PCB industry is mostly that the resin materials such as phenolic resin, melamine resin, Lauxite are made
, these materials are all that high insulating materials is not antistatic products.When cover board is covered in copper-clad plate, it will usually encounter cover board
With the situations such as the friction, impact and extruding of copper-clad plate friction, drill bit and cover board, at this moment lid surface is produced because of the accumulation of charge
Raw electrostatic, when the charge for generating electrostatic is eliminated not in time, will be generated because of static discharge human electric shock, production equipment failure,
The danger such as product quality decline, powder fire, explosion.
Based on the above issues, the present invention provides a kind of preparation method of antistatic self-lubricating type PCB cover plate for drilling hole,
In, as shown in Figure 1, comprising steps of
S100, by weight by 80-95 parts of phenolic resin, 5-25 parts of graphite-like anti-static material and 0.5-5 parts
Coupling agent mixing, is made antistatic phenolic resin adhesive；
S200, paper is immersed in the antistatic phenolic resin adhesive, gum dipped paper prepreg is made；
S300, several gum dipped paper prepregs are overlapped, by hot-pressing processing, the antistatic self-lubricating type PCB is made and bores
Hole cover board.
Specifically, the present invention is by 80-95 parts of phenolic resin, 5-25 parts of graphite-like anti-static material and 0.5-5
The coupling agent of part is added together, and is uniformly mixed under conditions of 25-65 DEG C by mechanical stirring, antistatic phenolic resin glue is made
Glutinous agent.
Not only there is the graphite-like anti-static material antistatic performance also to have lubricity, and lubricity can effectively subtract
The burr and wrapping generated when few PCB drilling.The effect that coupling agent is added is to promote phenolic aldehyde tree by way of physical blending
Rouge is uniformly mixed with graphite-like anti-static material.
Preferably, the graphite-like anti-static material is expanded graphite, conductive carbon black, graphite oxide, crystalline flake graphite or stone
One of black alkene is a variety of, but not limited to this.
Preferably, the coupling agent is one of silane coupling agent, titanate coupling agent or aluminate coupling agent or more
Kind, but not limited to this.
Preferably, the phenolic resin includes water-soluble resin and alcohol-soluble resin.Further, the phenolic resin is also
It may include Cardanol Modified PF Resin, tung oil modified phenolic resin, anacardol and tung oil modified phenolic resin etc., but be not limited to
This.
Further, after preparing antistatic phenolic resin adhesive, then paper is immersed in by institute by impregnation technology
It states in antistatic phenolic resin adhesive, gum dipped paper prepreg is made.Since it is usually necessary to use differences for different adhesives
Dipping temperature and speed, the preferred dipping temperature of the present invention be 100-140 DEG C, speed 20-25m/min, in the parameter area
Interior, the antistatic phenolic resin adhesive can be uniformly impregnated on the paper, and being thought of as thickness, equably gum dipped paper half is solid
Change piece.
Preferably, the spread of the gum dipped paper prepreg is 40-50%.
Preferably, the fugitive constituent of the gum dipped paper prepreg is 2-7%, when fugitive constituent excessively high (being greater than 7%) will lead to and wave
Hair the time is longer and volatilization process in fugitive constituent cannot handle in time, cause to pollute air and encroach on human health.In this model
The fugitive constituent volatilization time enclosed is shorter, and fugitive constituent can be processed complete.
Preferably, it is solid to will cause gum dipped paper half when fluidity is too big by the fluidity < 7% of the gum dipped paper prepreg
It is even to change piece became uneven, and in hot pressing, remaining glue residue is more in press is not easy to clear up and improve production efficiency；Stream
It is dynamic to spend that low to also result in gum dipped paper dipping uneven.
Further, several gum dipped paper prepregs prepared overlap, and by hot-pressing processing, can be made described
Antistatic self-lubricating type PCB cover plate for drilling hole.
As a wherein embodiment, 1-4 gum dipped paper prepregs are overlapped, by hot-pressing processing, are made described anti-
Electrostatic self-lubricating type PCB cover plate for drilling hole.
Different adhesives needs different solidification temperature and time, and required pressure when cover board is pressed into press
Power, temperature and hot pressing time be not also identical, and the preferred hot pressing temperature of the present invention is 120-165
DEG C, the PCB haveing excellent performance can be made in hot pressing pressure 6-8MPa, hot pressing time 50-90min in the parameter area
Cover plate for drilling hole.
The cover board prepared by the method for the invention not only has good conductive property, while also with the effect of self-lubricating
Fruit can prevent from generating electrostatic in boring procedure, to reduce danger coefficient and improve drilling quality rate.Cover board satisfaction is answered
With the safety requirements of industry and meet application field various service performances and subsequent production technique requirement.
The present invention also provides a kind of antistatic self-lubricating type PCB cover plate for drilling hole, wherein is prepared using above-mentioned preparation method
It forms.
A kind of preparation method of antistatic self-lubricating type PCB cover plate for drilling hole of the present invention is done below by specific embodiment
Further explanation explanation:
Embodiment 1
A. it is 3 parts by 85 parts of the phenolic resin of modified by cardanol, 10 parts of graphite oxide, coupling agent, a variety of materials is added to anti-
It answers in kettle, is uniformly mixed under conditions of 35 DEG C by mechanical stirring, antistatic phenolic resin adhesive is made.
B. by bleached wood pulp paper dipping with antistatic phenolic resin adhesive in, temperature be 130 DEG C, speed 23m/
Under the conditions of min, the antistatic lubricating type phenolic resin gum dipped paper prepreg of spread 42%, fluidity 6%, volatility is made
7%；
C. two prepreg sequence overlappings are taken to be placed in hot press, at 160 DEG C of temperature, pressure 7MPa, time 60min condition is pushed
System, the antistatic self-lubricating type cover board of finished product.
Embodiment 2
A. by 80 parts of alcohol-soluble phenolic resin, 5 parts of graphite-like anti-static material, coupling agent be 0.5 part, by a variety of materials be added to
In reaction kettle, it is uniformly mixed under conditions of 25 DEG C by mechanical stirring, antistatic phenolic resin adhesive is made.
B. by bleached wood pulp paper dipping in antistatic phenolic resin adhesive, at 100 DEG C of temperature, speed 20m/min item
Under part, the antistatic self-lubricating type phenolic resin gum dipped paper prepreg of spread 40%, fluidity 4%, volatility 3% is made；
C. two prepreg sequence overlappings are taken to be placed in hot press, at 120 DEG C of temperature, pressure 6MPa, time 50min condition is pushed
System, the antistatic self-lubricating type cover board of finished product.
Embodiment 3
A. be 5 parts by 95 parts tung oil-modified of phenolic resin, 20 parts of graphite-like anti-static material, coupling agent, by a variety of materials plus
Enter into reaction kettle, is uniformly mixed under conditions of 60 DEG C by mechanical stirring, antistatic phenolic resin adhesive is made.
B. by bleached wood pulp paper dipping in antistatic phenolic resin adhesive, at 140 DEG C of temperature, speed 25m/min item
Under part, the antistatic self-lubricating type phenolic resin gum dipped paper prepreg of spread 50%, fluidity 6%, volatility 7% is made；
C. two prepreg sequence overlappings are taken to be placed in hot press, at 160 DEG C of temperature, pressure 8MPa, time 90min condition is pushed
System, the antistatic self-lubricating type cover board of finished product.
Performance detection is carried out to the cover board of above-described embodiment 1-3 preparation, testing result see the table below 1:
Table 1
| Sample | Surface | Thickness (mm) | Shore hardness | Sheet resistance (Ω) | Drilling |
| Embodiment 1 | Surfacing, uniform color | 0.3 | 91 | 8.2×107 | Without wrapping, no burr |
| Embodiment 2 | Surfacing, uniform color | 0.3 | 92 | 8.8×107 | Without wrapping, no burr |
| Embodiment 3 | Surfacing, uniform color | 0.3 | 89 | 7.5×107 | Without wrapping, no burr |
In conclusion the present invention provides a kind of preparation method of antistatic self-lubricating type PCB cover plate for drilling hole, first in phenolic aldehyde tree
Graphite-like anti-static material and coupling agent are added in rouge, is mixed to prepare antistatic phenolic resin adhesive, then passes through dipping
Technique antistatic phenolic resin adhesive is impregnated to prepreg is prepared on paper, finally by hot press in high temperature height
Antistatic self-lubricating type PCB cover plate for drilling hole is pressed under conditions of pressure.The cover board prepared by the method for the invention not only has
Good electric conductivity, while also having the effect of self-lubricating, it can prevent from generating electrostatic in boring procedure, to reduce danger
Dangerous coefficient simultaneously improves drilling quality rate.The cover board meets the safety requirements of application industry and meets the various usability of application field
The requirement of energy and subsequent production technique.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of preparation method of antistatic self-lubricating type PCB cover plate for drilling hole, which is characterized in that comprising steps of
By weight by 80-95 parts of phenolic resin, 5-25 parts of graphite-like anti-static material and 0.5-5 parts of coupling agent
Mixing, is made antistatic phenolic resin adhesive；
Paper is immersed in the antistatic phenolic resin adhesive, gum dipped paper prepreg is made；
Several gum dipped paper prepregs are overlapped, by hot-pressing processing, the antistatic boring lid of self-lubricating type PCB is made
Plate.
2. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that described
Graphite-like anti-static material is one of expanded graphite, conductive carbon black, graphite oxide, crystalline flake graphite or graphene or a variety of.
3. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that described
Coupling agent is one of silane coupling agent, titanate coupling agent or aluminate coupling agent or a variety of.
4. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that described
Paper is one of advanced release paper, titanium white paper, brown paper, balance paper, bleached wood pulp paper or a variety of.
5. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that described
The spread of gum dipped paper prepreg is 40-50%.
6. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that described
The fugitive constituent of gum dipped paper prepreg is 2-7%；And/or fluidity < 7%.
7. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that described
Paper is immersed in the step in the antistatic phenolic resin adhesive, dipping temperature is 100-140 DEG C, speed 20-
25m/min。
8. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that described
Several gum dipped paper prepregs are overlapped, by hot-pressing processing, the antistatic self-lubricating type PCB cover plate for drilling hole is made
In step, hot pressing temperature is 120-165 DEG C, hot pressing pressure 6-8MPa, hot pressing time 50-90min.
9. the preparation method of antistatic self-lubricating type PCB cover plate for drilling hole according to claim 1, which is characterized in that by 1-4
Gum dipped paper prepreg overlapping is opened, by hot-pressing processing, the antistatic self-lubricating type PCB cover plate for drilling hole is made.
10. a kind of antistatic self-lubricating type PCB cover plate for drilling hole, which is characterized in that using any system of claim 1-9
Preparation Method is prepared.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810922130.9A CN109334179A (en) | 2018-08-14 | 2018-08-14 | A kind of antistatic self-lubricating type PCB cover plate for drilling hole and preparation method thereof |
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| CN201810922130.9A CN109334179A (en) | 2018-08-14 | 2018-08-14 | A kind of antistatic self-lubricating type PCB cover plate for drilling hole and preparation method thereof |
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Cited By (3)
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| CN110370776A (en) * | 2019-07-15 | 2019-10-25 | 烟台柳鑫新材料科技有限公司 | A kind of printed circuit board antistatic cushion and preparation method thereof |
| CN114876990A (en) * | 2022-05-31 | 2022-08-09 | 陕西航沣新材料有限公司 | Paper-based friction material of alcohol/water-soluble phenolic resin mixed adhesive and manufacturing method and application thereof |
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Application publication date: 20190215 |