Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Antistatic self-lubricating PCB drilling cover plate and preparation method thereof

An anti-static and self-lubricating technology, applied in the fields of static electricity, printed circuit manufacturing, chemical instruments and methods, etc., can solve the problems of easy generation of static electricity, affecting the drilling quality of products, and increasing the risk factor, so as to prevent the generation of static electricity and improve drilling The effect of hole quality rate and risk reduction

Inactive Publication Date: 2019-02-15
烟台柳鑫新材料科技有限公司
View PDF8 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide an antistatic self-lubricating type PCB drilling cover plate and its preparation method, aiming at solving the problem that the existing cover plate easily generates static electricity during the drilling process and causes danger. Increased coefficient and problems affecting product drilling quality

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Antistatic self-lubricating PCB drilling cover plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0023] Based on the above problems, the invention provides a kind of preparation method of antistatic self-lubricating type PCB drilling cover plate, wherein, such as figure 1 shown, including steps:

[0024] S100, mixing 80-95 parts by weight of phenolic resin, 5-25 parts of graphite antistatic material and 0.5-5 parts of coupling agent to prepare an antistatic phenolic resin adhesive;

[0025] S200, immersing the paper in the antistatic phenolic resin adhesive to prepare a prepreg for impregnated paper;

[0026] S300, stacking several sheets of rubber-impregnated paper prepregs, and subjecting them to hot-pressing treatment, to prepare the antistatic self-lubricating cover plate for drilling holes in PCB.

[0027] Specifically, in the present invention, 80-95 parts of phenolic resin, 5-25 parts of graphite antistatic material and 0.5-5 parts of coupling agent are added together, and mixed by mechanical stirring under the condition of 25-65°C Uniform, prepared antistatic ph...

Embodiment 1

[0044] a. Add 85 parts of cardanol-modified phenolic resin, 10 parts of graphite oxide, and 3 parts of coupling agent, add various materials into the reaction kettle, and mix them uniformly by mechanical stirring under the condition of 35°C to prepare antistatic phenolic resin Resin adhesive.

[0045] b. The bleached wood pulp paper was impregnated with the antistatic phenolic resin adhesive, and at a temperature of 130°C and a vehicle speed of 23m / min, an antistatic lubricating phenolic resin impregnated paper prepreg with a glue content of 42% was prepared. 6% degree, 7% volatility;

[0046]c. Take two prepregs and stack them in a hot press, press them at a temperature of 160°C, a pressure of 7 MPa, and a time of 60 minutes to obtain a finished antistatic self-lubricating cover plate.

Embodiment 2

[0048] a. Add 80 parts of alcohol-soluble phenolic resin, 5 parts of graphite antistatic material, and 0.5 parts of coupling agent, and add various materials into the reaction kettle, and mix them uniformly by mechanical stirring under the condition of 25°C to prepare antistatic phenolic resin Resin adhesive.

[0049] b. The bleached wood pulp paper was impregnated with antistatic phenolic resin adhesive, under the conditions of temperature 100 ℃ and vehicle speed 20m / min, an antistatic self-lubricating phenolic resin impregnated paper prepreg with a glue content of 40% was prepared. 4%, volatility 3%;

[0050] c. Take two prepregs and stack them in a hot press, press them at a temperature of 120°C, a pressure of 6 MPa, and a time of 50 minutes to obtain a finished antistatic self-lubricating cover plate.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an antistatic self-lubricating PCB drilling cover plate and a preparation method thereof. The method comprises the following steps: mixing 80 to 95 parts of a phenolic resin, 5to 25 parts of a graphite antistatic material and 0.5 to 5 parts of a coupling agent by weight to prepare an antistatic phenolic resin adhesive; steeping paper in the antistatic phenolic resin adhesive to prepare a steeped paper prepreg; superposing a plurality of steeped paper prepregs and carrying out hot pressing treatment to obtain the antistatic self-lubricating PCB drilling cover plate. Thecover plate prepared according to the method not only has good electrical conductivity, but also has an effect of self-lubrication, so that the generation of static electricity can be prevented in the drilling process, thereby reducing the risk factor and improving the drilling quality rate. The cover plate meets the safety requirements in the application industry and meets various application properties and the requirements of subsequent production processes in the application field.

Description

technical field [0001] The invention relates to the field of PCB drilling, in particular to an antistatic self-lubricating cover plate for PCB drilling and a preparation method thereof. Background technique [0002] Most of the cover plates currently used in the PCB industry are made of resin materials such as phenolic resin, melamine resin, and urea-formaldehyde resin. These materials are non-antistatic high-insulation materials. When the cover plate is covered on the copper clad plate, it usually encounters friction between the cover plate and the copper clad plate, friction between the drill bit and the cover plate, impact and extrusion, etc. At this time, the surface of the cover plate generates static electricity due to the accumulation of charges. If the electrostatic charge is not eliminated in time, there will be dangers such as human body electric shock, production equipment failure, product quality decline, powder fire, explosion, etc. due to electrostatic discharg...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/04B32B29/00B32B7/12B32B37/10B32B37/06H05K3/00H05F1/00
CPCB32B7/12B32B29/005B32B37/06B32B37/10B32B2260/028B32B2260/046B32B2307/202B32B2307/21B32B2457/08H05F1/00H05K3/00
Inventor 杜山山杨柳刘玉斌罗艳华罗小阳
Owner 烟台柳鑫新材料科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com