Flame-retardant and high-temperature composite plastic for resistor shell

A technology of composite plastics and resistors, applied in the coating and other directions, can solve the problems of extremely strict structural requirements, complex glaze production process and high production cost, and achieve the effects of low production cost, simple preparation method and long service life.

Inactive Publication Date: 2019-01-18
安徽来福电子科技有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main physical characteristic of resistors is to convert electric energy into heat energy. It is widely used in circuits. At present, the demand for resistors in the electronics industry is increasing day by day, and even a situation of short supply. The types of resistors are different because of the different fields of use. They are also different, but at present, the resistors on the market are wrapped and sealed with the wound wires through the shell, and then the wires are protruded from both ends. The tighter the resistance, the greater the resistance, the looser the winding, and the smaller the resistance. Since the use of resistance in various industries is different, the requirements for its structure are also extremely strict. During the production process of small resistors, the surface of the resistor will be glazed. Because of the brittleness of the glaze, it is easy to be damaged by collision and breakage during storage, transportation and use, and there is a lot of loss, and the production process of the glaze is complicated and the production cost is high.

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
  • Flame-retardant and high-temperature composite plastic for resistor shell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A flame-retardant and high-temperature-resistant composite plastic for resistor shells, which consists of the following components according to weight ratio: polybutadiene rubber 50kg, vinylidene fluoride 40kg, trichloroethylene 15kg, polyamide resin 15kg, bisphenol A type 15kg of epoxy resin, 10kg of polycarbonate, 8kg of polytetrafluoroethylene, 10kg of magnesium hydroxide, 3kg of mullite powder, 2kg of graphite powder, 0.5kg of antioxidant;

[0020] A method for preparing a flame-retardant and high-temperature-resistant composite plastic for a resistor housing, comprising the following steps:

[0021] a. Set the temperature of the reactor to 220°C, take 50kg of polybutadiene rubber, 40kg of vinylidene fluoride, 15kg of trichloroethylene, 15kg of polyamide resin, and 8kg of polytetrafluoroethylene, and put the above ingredients into the reactor evenly , stirring at high temperature under the protection of nitrogen until uniform;

[0022] b. Take 15kg of bisphenol A e...

Embodiment 2

[0028] A flame-retardant and high-temperature-resistant composite plastic for resistor shells, which consists of the following components according to weight ratio: 60kg of polybutadiene rubber, 50kg of vinylidene fluoride, 20kg of trichlorethylene, 20kg of polyamide resin, bisphenol A type Epoxy resin 20kg, polycarbonate 15kg, polytetrafluoroethylene 12kg, magnesium hydroxide 15kg, mullite powder 5kg, graphite powder 5kg, antioxidant 1.5kg;

[0029] A method for preparing a flame-retardant and high-temperature-resistant composite plastic for a resistor housing, comprising the following steps:

[0030] a. Set the temperature of the reactor to 250°C, take 60kg of polybutadiene rubber, 50kg of vinylidene fluoride, 20kg of trichloroethylene, 20kg of polyamide resin, and 12kg of polytetrafluoroethylene, and put the above ingredients into the reactor evenly , stirring at high temperature under the protection of nitrogen until uniform;

[0031] b. Take 20kg of bisphenol A type epox...

Embodiment 3

[0037] A flame-retardant and high-temperature-resistant composite plastic for resistor shells, which consists of the following components according to weight ratio: polybutadiene rubber 55kg, vinylidene fluoride 45kg, trichlorethylene 16kg, polyamide resin 16kg, bisphenol A type 16kg of epoxy resin, 12kg of polycarbonate, 10kg of polytetrafluoroethylene, 12kg of magnesium hydroxide, 4kg of mullite powder, 4kg of graphite powder, 1kg of antioxidant;

[0038] A method for preparing a flame-retardant and high-temperature-resistant composite plastic for a resistor housing, comprising the following steps:

[0039] a. Set the temperature of the reactor to 240°C, take 55kg of polybutadiene rubber, 45kg of vinylidene fluoride, 15-20 parts of trichloroethylene, 16kg of polyamide resin, and 10kg of polytetrafluoroethylene, and put the above ingredients evenly In the reaction kettle, under the protection of nitrogen, carry out high-temperature stirring, and stir until uniform;

[0040] ...

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 relates to flame-retardant and high-temperature composite plastic for a resistor shell. The composite plastic comprises the following components in parts by weight: 50-60 parts of polybutadiene rubber, 40-50 parts of vinylidene fluoride, 15-20 parts of trichloroethylene, 15-20 parts of polyamide resin, 15-20 parts of bisphenol A type epoxy resin, 10-15 parts of polycarbonate, 8-12 parts of polytetrafluoroethylene, 10-15 parts of magnesium hydroxide, 3-5 parts of mullite powder, 2-5 parts of graphite powder and 0.5-1.5 parts of an antioxidant. By virtue of a reasonable formula andproportion, the components are supplemented with each other to generate a synergistic effect, so that the composite plastic has the characteristics of high strength, good insulativity, good flame retardance, high heat dissipation speed, good high temperature resistance, strong ageing resistance and low cost, and the service life of a product is prolonged; and the preparation method is simple andlow in production cost.

Description

technical field [0001] The invention relates to the technical field of production of electronic components, in particular to a flame-retardant and high-temperature-resistant composite plastic for resistor shells. Background technique [0002] Resistors are the most used components in all electronic circuits. The main physical feature of resistors is to convert electric energy into heat energy. It is widely used in circuits. At present, the demand for resistors in the electronics industry is increasing day by day, and even a situation of short supply. The types of resistors are different because of the different fields of use. They are also different, but at present, the resistors on the market wrap the wound wires through the shell and seal them, and then extend the wires from both ends. The tighter the resistance, the greater the resistance, the looser the winding, and the smaller the resistance. Since the use of resistance in various industries is different, the requireme...

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
IPC IPC(8): C08L9/00C08L77/00C08L63/00C08L69/00C08K3/00C08K3/22C08K3/04C08K3/16B29B7/90B29C48/92B29C45/14
CPCB29B7/90B29C45/14C08K2003/2224C08L9/00C08L2201/02C08L2201/08C08L2205/035C08L77/00C08L63/00C08L69/00C08K3/00C08K3/22C08K3/042C08K3/16
Inventor 崔海滨郁静陆玲陈普琦
Owner 安徽来福电子科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap