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High temperature screw thread fastening glue and production method thereof

A thread and fastening technology, applied in the field of adhesive and its production, achieves the effect of broad application prospects and improved temperature resistance

Inactive Publication Date: 2012-02-29
中昊北方涂料工业研究设计院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a big gap between the research of thread fastening adhesive and the actual demand of its application, and the performance of many aspects needs to be improved, among which high temperature resistance is an important aspect.

Method used

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  • High temperature screw thread fastening glue and production method thereof
  • High temperature screw thread fastening glue and production method thereof
  • High temperature screw thread fastening glue and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Embodiment 1: The high-temperature thread fastening adhesive of the present invention contains the following components calculated by mass percentage: Component A

[0048] Epoxy modified silicone resin: any number between 50% and 60%;

[0049] Any number between 20% and 30% of low melting point glass powder;

[0050]Asbestos powder Any number between 5% and 15%;

[0051] Any number between 5% and 15% of superfine aluminum powder;

[0052] B component

[0053] Aromatic amine curing agent Any number between 94% and 98%;

[0054] Curing accelerator Any number between 1% and 3%;

[0055] Any number between 1% and 3% of coupling agent;

[0056] The above-mentioned high-silicon-content epoxy-modified silicone resin is a modified resin synthesized by condensation from hydroxyl-containing silicone intermediates and epoxy resins at a weight ratio of 6:4.

[0057] The proportioning ratio of the above-mentioned component A and component B is any number between 100:10-20.

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Abstract

The invention relates to high temperature screw thread fastening glue and a production method thereof, wherein the high temperature screw thread fastening glue comprises the following components by weight percent: epoxy modified silicone resin, paint, low melting point glass powder, superfine aluminium power, asbestos powder and aromatic amine. The epoxy modified silicone resin is synthesized by adopting a polycondensation method by utilizing epoxy resin and hydroxyl silicone midbody, the temperature in a reaction kettle is kept at (150-170)+ / -5 DEG C, and the epoxy modified silicone resin with high silicon contents is prepared through heating up, reflow and temperature reduction. The high thermal resistance of the fastening glue can be enhanced, and the requirement on use for 2000 seconds at 500 DEG C is met.

Description

technical field [0001] The invention relates to an adhesive and a production method thereof. Background technique [0002] In recent years, with the rapid development of aerospace, aviation, machinery, electronics and other industries, thread fastening adhesives have become more and more important in these fields, and the demand has also increased, such as pipelines for aviation and aerospace engines Connections, sensor installations and other parts that have anti-loosening requirements in high-temperature working environments, thread fastening glue can improve the anti-vibration and anti-loosening performance of threaded connections, thereby greatly improving the reliability of the engine. However, there is still a big gap between the research of thread fastening adhesive and the actual demand of its application, and the performance of many aspects needs to be improved, among which high temperature resistance is an important aspect. The heat resistance of the current gener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J183/04C09J11/04
Inventor 孙哲李博文秦瑞冯俊忠南燕王颖
Owner 中昊北方涂料工业研究设计院有限公司