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A preparation method of thermally conductive and insulating aromatic nylon alloy material

A technology of heat conduction insulation and alloy materials, applied in the direction of heat exchange materials, insulators, organic insulators, etc., can solve the problems of poor thermal conductivity and poor thermal conductivity, improve impact strength, improve thermal conductivity, and enhance thermal conductivity performance effect

Active Publication Date: 2021-03-30
ZHEJIANG EXPO NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the poor thermal conductivity of nylon materials, thermal conductivity agents are often added, but most of the thermal conductivity agents are inorganic substances, which are difficult to mix evenly with nylon, resulting in poor thermal conductivity of the material.

Method used

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  • A preparation method of thermally conductive and insulating aromatic nylon alloy material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A heat-conducting and insulating aromatic nylon alloy material, comprising the following components by weight:

[0051] PA6T: 35 copies

[0052] PA66: 13 parts

[0053] Compatibilizer: 8 parts

[0054] Nylon pre-polymerized dispersed graphene: 3 parts

[0055] Aluminum nitride: 10 parts

[0056] Magnesium oxide: 10 parts

[0057] Carbon fiber: 3 parts

[0058] Graphite powder: 10 parts

[0059] Coupling agent: 3 parts

[0060] Lubricant: 0.1 parts

[0061] Antioxidant: 0.3 parts.

[0062] Described nylon prepolymerization dispersed graphene comprises following composition by weight:

[0063] Lauryl lactam: 55 parts

[0064] Caprolactam: 45 parts

[0065] Graphene mixture: 10 parts

[0066] N-acetyl caprolactam: 0.3 parts.

[0067] The preparation method of described nylon prepolymerized dispersed graphene is:

[0068] Step A: Add dry laurolactam and caprolactam monomers into the reactor, raise the temperature to 135°C, vacuumize for 30 minutes in the melte...

Embodiment 2

[0085] A heat-conducting and insulating aromatic nylon alloy material, comprising the following components by weight:

[0086] PA6T: 45 parts

[0087] PA66: 20 copies

[0088] Compatibilizer: 3 parts

[0089] Nylon pre-polymerized dispersed graphene: 8 parts

[0090] Aluminum nitride: 15 parts

[0091] Magnesium oxide: 0 parts

[0092] Carbon fiber: 5 parts

[0093] Graphite powder: 15 parts

[0094] Coupling agent: 1 part

[0095] Lubricant: 0.3 parts

[0096] Antioxidant: 0.5 parts.

[0097] Described nylon prepolymerization dispersed graphene comprises following composition by weight:

[0098] Lauryl lactam: 55 parts

[0099] Caprolactam: 45 parts

[0100] Graphene mixture: 10 parts

[0101] N-acetyl caprolactam: 0.3 parts.

[0102] The preparation method of described nylon prepolymerized dispersed graphene is:

[0103] Step A: Add dry laurolactam and caprolactam monomers into the reactor, raise the temperature to 135°C, vacuumize for 30 minutes in the melted ...

Embodiment 3

[0120] A heat-conducting and insulating aromatic nylon alloy material, comprising the following components by weight:

[0121] PA6T: 60 parts

[0122] PA66: 5 parts

[0123] Compatibilizer: 5 parts

[0124] Nylon pre-polymerized dispersed graphene: 15 parts

[0125] Aluminum nitride: 5 parts

[0126] Magnesium oxide: 10 parts

[0127] Carbon fiber: 8 parts

[0128] Graphite powder: 5 parts

[0129] Coupling agent: 2 parts

[0130] Lubricant: 0.5 parts

[0131] Antioxidant: 0.1 parts.

[0132] Described nylon prepolymerization dispersed graphene comprises following composition by weight:

[0133] Lauryl lactam: 55 parts

[0134] Caprolactam: 45 parts

[0135] Graphene mixture: 10 parts

[0136] N-acetyl caprolactam: 0.3 parts.

[0137] The preparation method of described nylon prepolymerized dispersed graphene is:

[0138] Step A: Add dry laurolactam and caprolactam monomers into the reactor, raise the temperature to 135°C, vacuumize for 30 minutes in the melted s...

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Abstract

The invention discloses a heat conductive and insulating aromatic nylon alloy material comprising the following components in parts by weight: 35-60 parts of PA6T, 5-20 parts of PA66, 3-8 parts of a compatibilizer, 2-15 parts of nylon prepolymer dispersed graphene, 5-15 parts of aluminum nitride, 0-20 parts of magnesium oxide, 3-8 parts of carbon fibers, 5-15 parts of graphite powder, 1-3 parts ofa coupling agent, 0.1-0.5 part of a lubricant, and 0.1-0.5 part of an antioxidant. With addition of the nylon copolymerized pre-dispersed graphene, the resistance of the whole material can be guaranteed not to be changed much, and while heat conduction is played, the resistance value can be guaranteed not to be changed much and is in the range of insulators.

Description

technical field [0001] The invention relates to an alloy material, in particular to a method for preparing a heat-conducting and insulating aromatic nylon alloy material. Background technique [0002] Nylon alloys are also called nylon blends and nylon blends. A general term for a class of modified plastics made by mixing nylon with other polymers using compatibilization technology. The purpose of nylon alloy is to improve the overall performance of the material or reduce the processing temperature. [0003] Semi-aromatic nylon PA6T is obtained from hexamethylenediamine (HMDA) and terephthalic acid (PTA) under certain polymerization conditions. As a semi-aromatic polyamide polymer, PA6T has high melting point, good heat resistance, good dimensional stability, solvent resistance and excellent physical and mechanical properties. By alloying aromatic nylon with PA66, the processing and molding temperature can be appropriately reduced to facilitate molding. [0004] When pla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08L77/06C08K13/04C08K7/06C08K3/22C08K3/04C08K3/28C08G69/14C08G69/16C09K5/14H01B3/30
CPCC08G69/14C08G69/16C08K2003/222C08K2003/285C08K2201/003C08K2201/014C08L77/02C08L2205/025C08L2205/03C09K5/14H01B3/305C08L77/06C08K13/04C08K7/06C08K3/22C08K3/042C08K3/04C08K3/28
Inventor 陈思汕刘建平陈思松林华城王加浙周招榜
Owner ZHEJIANG EXPO NEW MATERIALS CO LTD
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