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A kind of carbon fiber felt laminated board and preparation method thereof

A technology of carbon fiber felt and laminate, which is applied in the field of laminate and its preparation, to achieve the effects of cost reduction, simple process and easy operation

Active Publication Date: 2018-12-18
SICHUAN DONGFANG INSULATING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art, especially how to maintain the ultra-high strength (usually referred to as Bending strength of 486-506MPa), while achieving the tracking index of 600V, providing a carbon fiber felt laminate with good performance and its preparation method

Method used

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  • A kind of carbon fiber felt laminated board and preparation method thereof
  • A kind of carbon fiber felt laminated board and preparation method thereof
  • A kind of carbon fiber felt laminated board and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0040] At room temperature, respectively add 51 parts of polybutadiene epoxy resin, 25 parts of benzoxazine modified phenolic resin, and 30 parts of inorganic powder aluminum nitride into the glue mixing tank, and stir at 120°C for 2.5 hours, Add 25 parts of curing agent 4,4-diaminodiphenyl sulfone and 127 parts of dimethylformamide, stir for 0.5 hours to make them fully dispersed, then add 0.04 parts of boron trifluoride ethylamine to adjust the molding of the glue Time, sampling, test the molding time of the glue solution with a knife method (180°C hot plate) for 520 seconds, and the glue solution is ready.

Embodiment 1-2

[0042] At room temperature, add 25 parts of bisphenol F type epoxy resin, 53 parts of silicone modified phenolic resin, and 8 parts of inorganic powder alumina into the glue mixing tank, stir at 130°C for 1 hour, then add curing agent Mix 32 parts of low-molecular-weight polyamide and 110 parts of xylene, stir for 0.42 hours to fully disperse them evenly, add 1 part of accelerator 2-ethyl-4-methylimidazole to adjust the molding time of the glue, take samples, and use the knife method The molding time of the test glue (180°C hot plate) is 487 seconds, and the glue is prepared.

Embodiment 1-3

[0044] At room temperature, add 35 parts of biphenyl-type epoxy resin, 27 parts of xylene-modified phenolic resin, and 17 parts of inorganic powder silicon dioxide into the compounding tank, stir at 130°C for 0.5 hours, then add curing agent 27 parts of 4,4-diaminodiphenyl sulfone and 103 parts of dimethylacetamide were stirred for 0.5 hours to fully disperse them, and then 0.7 parts of accelerator 2-ethyl-4-methylimidazole was added to adjust the consistency of the glue. Molding time, sampling, test the molding time of the glue solution with a knife method (180 ℃ hot plate) 440 seconds, the glue solution is prepared.

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Abstract

The invention discloses a carbon fiber felt lamination sheet which is characterized by being a composite material prepared from one or more than one laminated high-strength tracking-resistance resin carbon fiber felt prepreg through hot press molding, and the proof tracking index is more than or equal to 600V; the prepreg is a material prepared by impregnating or spraying a high-strength tracking-resistance resin adhesive on the carbon fiber felt and roasting; and the high-strength tracking-resistance resin adhesive is prepared from the following components in parts by weight: 20-55 parts of high-temperature-resistance epoxy resin, 25-60 parts of modified phenolic resin, 10-35 parts of a curing agent, 5-35 parts of inorganic powder, 0.01-1 part of an accelerant and 100-130 parts of a solvent. A carbon fiber felt lamination sheet product is applicable to the fields of various engineering equipment, electrical equipment, anti-corrosion devices, new energy vehicles and the like for aviation, aerospace, military industry and deep diving.

Description

technical field [0001] The invention belongs to a laminate and its preparation, and relates to a carbon fiber felt laminate and a preparation method thereof. The carbon fiber felt laminate product of the present invention is suitable for various engineering equipment and electrical equipment for special purposes (aviation, aerospace, military industry, deep diving) , corrosion-resistant appliances and new energy vehicles and other fields. Background technique [0002] Carbon fiber felt laminates can be widely used in special purposes (aviation, aerospace, military, In the fields of various engineering equipment, electrical equipment, corrosion-resistant appliances, and new energy vehicles, there is a demand for high-performance carbon fiber felt laminates, especially for high-temperature, high-humidity, high-current, and ultra-high-strength The demand for carbon fiber felt laminates used in the environment is also becoming more and more urgent. In recent years, there have ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L61/14C08L63/00C08L63/04C08K7/06C08K3/22C08K3/36C08K3/34C08K3/38C08K3/28C08J5/24B32B9/00B32B9/04B32B27/04B32B33/00B32B37/06B32B37/10
CPCB32B5/02B32B5/022B32B5/26B32B33/00B32B37/06B32B37/10B32B2255/02B32B2255/26B32B2260/021B32B2260/046B32B2262/106B32B2307/206B32B2307/306B32B2307/546B32B2309/02B32B2309/04B32B2309/12B32B2457/00B32B2605/08C08J5/24C08J2361/14C08J2363/00C08J2461/14C08J2463/00C08L61/14C08L63/00C08L63/04C08L2201/08C08K7/06C08K2003/2227C08K3/36C08K3/34C08K3/346C08K2003/385C08K2003/282
Inventor 杜旻黄洪驰彭晓伟刘锋邵亚婷
Owner SICHUAN DONGFANG INSULATING MATERIAL
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