Military electrical connector insulator and preparation method thereof

A technology of electrical connectors and insulators, which is applied in the field of military electrical connector insulators and its preparation, can solve problems affecting reliability and service life, insulator warping, sink marks, etc., and achieve excellent use safety reliability and service life Long, good heat resistance and flame retardancy

Active Publication Date: 2019-06-18
东莞市时运佳实业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing military electrical connector insulators often have defects such as warping, sink marks, and underfilling, and their heat resistance, wear resistance, and mechanical properties need to be further improved, which affects their reliability and service life.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In this embodiment, a military electrical connector insulator, the military electrical connector insulator is made of materials for insulators, and the insulator materials are composed of the following components in parts by weight: 100 parts of PBT, 15 parts of phenolic resin, polytetrafluoroethylene 12 parts of vinyl fluoride, 8 parts of hollow glass microspheres, 17 parts of alkali-free glass fiber, 12 parts of composite toughening agent, 18 parts of composite flame retardant, 4 parts of compatibilizer, 1.5 parts of lubricant, 3 parts of silane coupling agent , 2.5 parts of antioxidant, 7 parts of inorganic filler.

[0029]Further, the PBT is PBT with a melt index of 23 g / 10 min and a melting point of 228°C. The intrinsic viscosity of the PBT is 1.10dl·g-1, and the carboxyl group content in the PBT is 27mol / t.

[0030] Further, the composite toughening agent is formed by mixing hyperbranched epoxy resin, ethylene-vinyl acetate copolyester, and methyl methacrylate-bu...

Embodiment 2

[0045] In this embodiment, a military electrical connector insulator, the military electrical connector insulator is made of materials for insulators, and the insulator materials are composed of the following components in parts by weight: 90 parts of PBT, 10 parts of phenolic resin, polytetrafluoroethylene 10 parts of vinyl fluoride, 6 parts of hollow glass microspheres, 15 parts of alkali-free glass fiber, 9 parts of composite toughening agent, 15 parts of composite flame retardant, 2 parts of compatibilizer, 1 part of lubricant, 2 parts of silane coupling agent , 2 parts of antioxidant, 5 parts of inorganic filler.

[0046] Further, the PBT is PBT with a melt index of 21 g / 10 min and a melting point of 223°C. The intrinsic viscosity of the PBT is 0.9dl·g-1, and the carboxyl group content in the PBT is 24mol / t.

[0047] Further, the composite toughening agent is formed by mixing hyperbranched epoxy resin, ethylene-vinyl acetate copolyester, methyl methacrylate-butadiene-sty...

Embodiment 3

[0062] In this embodiment, a military electrical connector insulator, the military electrical connector insulator is made of insulator materials, and the insulator materials are composed of the following components in parts by weight: 110 parts of PBT, 20 parts of phenolic resin, polytetrafluoroethylene 15 parts of vinyl fluoride, 12 parts of hollow glass microspheres, 120 parts of alkali-free glass fiber, 14 parts of composite toughening agent, 20 parts of composite flame retardant, 6 parts of compatibilizer, 2 parts of lubricant, 4 parts of silane coupling agent , 3 parts of antioxidant, 10 parts of inorganic filler.

[0063] Further, the PBT is PBT with a melt index of 25 g / 10 min and a melting point of 223°C. The intrinsic viscosity of the PBT is 1.20dl·g-1, and the carboxyl group content in the PBT is 30mol / t.

[0064] Further, the composite toughening agent is formed by mixing hyperbranched epoxy resin, ethylene-vinyl acetate copolyester, methyl methacrylate-butadiene-s...

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Abstract

The invention relates to the technical field of electrical connectors, and concretely relates to a military electrical connector insulator and a preparation method thereof. A material for the insulator for a motor mounting seat comprises, by weight, 90-110 parts of PBT, 10-20 parts of phenolic resin, 10-15 parts of polytetrafluoroethylene, 6-12 parts of hollow glass beads, 15-20 parts of alkali-free glass fibers, 9-14 parts of a composite toughening agent, 15-20 parts of a composite flame retardant, 2-6 parts of a compatibilizer, 1-2 parts of a lubricant, 2-4 parts of a silane coupling agent,2-3 parts of an antioxidant and 5-10 parts of an inorganic filler. The military electrical connector insulator prepared in the invention has the advantages of excellent mechanical properties, good wear resistance, good heat resistance, good flame retardation property, excellent use safety and reliability, high dimensional accuracy and long service life. The preparation method of the military electrical connector insulator has the advantages of simplicity, high efficiency, easiness in control of the operation process, facilitation of industrial production, and stable product quality.

Description

technical field [0001] The invention relates to the technical field of electrical connectors, in particular to a military electrical connector insulator and a preparation method thereof. Background technique [0002] At present, military electrical connectors are widely used in aerospace, ships, detection equipment and other fields. They are mainly composed of housings, insertion pins, sealing wires, and insulators with insertion holes. With the advancement of science and technology and the development of society, the requirements for military electrical connectors are getting higher and higher. As an important part of military electrical connectors, insulators are closely related to the overall performance of electrical connectors. However, existing military electrical connector insulators often have defects such as warping, sink marks, and underfilling, and their heat resistance, wear resistance, and mechanical properties need to be further improved, which affects their r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L61/06C08L27/18C08L63/00C08L23/08C08L51/04C08L71/12C08K13/06C08K7/28C08K7/14C08K9/04C08K7/08C08K3/22H01B3/42
Inventor 李晓斌
Owner 东莞市时运佳实业投资有限公司
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