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

Coating for metal film resistors

A technology for metal film resistors and coatings, applied in polyamide coatings, epoxy resin coatings, coatings, etc., can solve the problems that coatings cannot meet the needs of field use, and achieve the effect of good adhesion and good film formation.

Inactive Publication Date: 2014-11-26
SUQIAN RONGJIN INFORMATION TECH
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As a precision resistor, metal film resistors are generally used in harsh natural environmental conditions, such as in the field of aerospace, so the stability of metal film resistors is required to be higher, and its stability and the function of the conductive film Paint protection film has a direct relationship, the current domestic paint can not meet the needs of the field of use

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] The coating for metal film resistors provided by the invention is composed of the following raw materials in parts by weight: 40-60 parts of high temperature resistant epoxy resin, 20 parts of polyamide resin, 10 parts of ethylene oxide, 1 part of adhesion promoter, and 2 parts of binder, 5 parts of nano silicon dioxide, 0.1 part of polyurethane.

[0010] According to the above-mentioned parts by weight, at room temperature, the ethylene oxide suspension liquid dispersed with nano-silica is added to the polyamide resin and mixed evenly, and then mixed with high-temperature resistant epoxy resin, adhesion promoter, binder and The polyurethane is mixed evenly, and the specific gravity of the paint is suitable for the coating of the metal film resistor under the stirring condition. In the high temperature resistance test of the resistor coating obtained in this example, the resistance change rate is ≤0.4, the surface drying time is 2 hours, and the viscosity value is 30 MP...

Embodiment 2

[0013] The coating for metal film resistors provided by the invention is composed of the following raw materials in parts by weight: 40-60 parts of high temperature resistant epoxy resin, 25 parts of polyamide resin, 15 parts of ethylene oxide, 3 parts of adhesion promoter, adhesive 4 parts of binder, 8 parts of nano silicon dioxide, 0.3 part of polyurethane.

[0014] According to the above-mentioned parts by weight, at room temperature, the ethylene oxide suspension liquid dispersed with nano-silica is added to the polyamide resin and mixed evenly, and then mixed with high-temperature resistant epoxy resin, adhesion promoter, binder and The polyurethane is mixed evenly, and the specific gravity of the paint is suitable for the coating of the metal film resistor under the stirring condition. In the high temperature resistance test of the resistor coating obtained in this example, the resistance change rate is ≤0.4, the surface drying time is 1 hour, and the viscosity value is ...

Embodiment 3

[0016] The coating for metal film resistors provided by the invention is composed of the following raw materials in parts by weight: 40-60 parts of high temperature resistant epoxy resin, 25 parts of polyamide resin, 15 parts of ethylene oxide, 3 parts of adhesion promoter, adhesive 4 parts of binder, 8 parts of nano silicon dioxide, 0.3 part of polyurethane.

[0017] According to the above-mentioned parts by weight, at room temperature, the ethylene oxide suspension liquid dispersed with nano-silica is added to the polyamide resin and mixed evenly, and then mixed with high-temperature resistant epoxy resin, adhesion promoter, binder and The polyurethane is mixed evenly, and the specific gravity of the paint is suitable for the coating of the metal film resistor under the stirring condition. In the high temperature resistance test of the resistor coating obtained in this example, the resistance change rate was ≤0.4, the surface drying time was 1.2 hours, and the viscosity valu...

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

PropertyMeasurementUnit
viscosityaaaaaaaaaa
viscosityaaaaaaaaaa
viscosityaaaaaaaaaa
Login to View More

Abstract

A disclosed is coating for metal film resistors composed of the following raw materials in parts by weight: 40-60 parts of high-temperature-resistant epoxy resin, 20-30 parts of polyamide resin, 10-20 parts of ethylene oxide, 1-5 parts of an adhesion promoter, 2-5 parts of a binder, 5-10 parts of nanometer silicon dioxide, and 0.1-0.5 parts of polyurethane. The adhesion promoter is one of chlorinated resin, sulfonyl amine, silane and titanates, and the binder is propylene polyurethaneacrylate glue. The provided coating for metal film resistors is good in film forming property and excellent in adhesive force, is resistant to high temperature and moisture environment, and is capable of satisfying demands of different fields.

Description

technical field [0001] The invention relates to a metal film coating, in particular to a coating for a metal film resistor. Background technique [0002] As a precision resistor, metal film resistors are generally used in harsh natural environmental conditions, such as in the field of aerospace, so the stability of metal film resistors is required to be higher, and its stability and the function of the conductive film Paint protection film has a direct relationship, the current domestic paint can not meet the needs of the field of use. Contents of the invention [0003] Technical problem to be solved: Aiming at the deficiencies of the prior art, the present invention provides a coating for metal film resistors with high temperature resistance, moisture resistance, acid and alkali resistance and good adhesion. [0004] Technical solution: The invention provides a coating for metal film resistors, which is composed of the following raw materials in parts by weight: 40-60 pa...

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): C09D163/00C09D177/00C09D7/12
Inventor 张锦
Owner SUQIAN RONGJIN INFORMATION TECH
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