H grade cti600 epoxy glass cloth laminated board and its production method

A technology of epoxy glass cloth and production method, which is applied in glass/slag layered products, lamination, layered products, etc., can solve the problem of insufficient thermal stability of prepreg, poor insulation of substrate, and low resistance to tracking voltage. and other problems, to achieve the effect of reducing uneven glue, high anti-tracking voltage and improving quality

Active Publication Date: 2022-06-24
JIANGYIN HUCHENG INSULATING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The object of the present invention is to provide a kind of H grade CTI600 epoxy glass cloth laminated board and its production method, the laminated board produced by this method can solve the service life of traditional laminated boards caused by insufficient thermal stability of prepreg and uneven glue content The problem of poor substrate insulation due to short length and low tracking voltage resistance

Method used

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  • H grade cti600 epoxy glass cloth laminated board and its production method
  • H grade cti600 epoxy glass cloth laminated board and its production method
  • H grade cti600 epoxy glass cloth laminated board and its production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0175] 1. Glue formula:

[0176]

[0177] 2. Control parameters of the prepreg:

[0178] drying temperature Dipping speed Resin content Dipping time mobility Volatile 170℃ 16m / min 41％ 100s 21％ 0.3％

[0179] When the glass cloth is dipped, the vacuum-assisted gluing method is adopted;

[0180] 3. Hot pressing parameters:

[0181] The first pressure parameters are:

[0182] Hot pressing temperature pressure Hot pressing time 180℃ vacuum hot pressing 30kg / cm 2

45min

[0183] The second pressure parameters are:

[0184] Hot pressing temperature pressure Hot pressing time 150℃ vacuum hot pressing 10kg / cm 2

Embodiment 2

[0186] 1. Glue formula:

[0187]

[0188] 2. Control parameters of the prepreg:

[0189] drying temperature Dipping speed Resin content Dipping time mobility Volatile 180℃ 18m / min 45％ 97s 23％ 0.35％

[0190] When the glass cloth is dipped, the vacuum-assisted gluing method is adopted; 3. Hot pressing parameters:

[0191] The first pressure parameters are:

[0192] Hot pressing temperature pressure Hot pressing time 178℃ vacuum hot pressing 43kg / cm 2

61min

[0193] The second pressure parameters are:

[0194] Hot pressing temperature pressure Hot pressing time 142℃ vacuum hot pressing 20kg / cm 2

Embodiment 3

[0196] 1. Glue formula:

[0197]

[0198]

[0199] 2. Control parameters of the prepreg:

[0200] drying temperature Dipping speed Resin content Dipping time mobility Volatile 200℃ 20m / min 42％ 95s 24％ 0.37％

[0201] When the glass cloth is dipped, the vacuum-assisted gluing method is adopted;

[0202] 3. Hot pressing parameters:

[0203] The first pressure parameters are:

[0204] Hot pressing temperature pressure Hot pressing time 175℃ vacuum hot pressing 50kg / cm 2

100min

[0205] The second pressure parameters are:

[0206] Hot pressing temperature pressure Hot pressing time 135℃ vacuum hot pressing 25kg / cm 2

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Abstract

The invention discloses a production method of H grade CTI600 epoxy glass cloth laminate, which comprises resin synthesis and glue solution preparation, reinforcing material dipping and drying, dipping material cutting and inspection, dipping material and copper foil lamination , thermoforming, cutting, inspection and packaging; the composition and mass parts of the glue solution during resin synthesis and glue solution preparation are: bisphenol A novolac epoxy resin 40-70, brominated epoxy resin 30-50, High bromine epoxy resin 10-20, dapsone 5-20, dimethylimidazole 0.01-0.2, dimethylformamide 45-50, barium sulfate 30-60. The invention can solve the problems of short service life of the traditional laminate due to insufficient thermal stability of the prepreg, uneven glue content, and poor insulation of the substrate due to low tracking voltage resistance.

Description

technical field [0001] The invention relates to a manufacturing method of a laminate, in particular to an H-class CTI600 epoxy glass cloth laminate and a production method thereof. Background technique [0002] Laminate is a type of laminate. Laminate is a whole by superimposing and thermocompression bonding of two or more layers of resin-impregnated fibers or fabrics. Laminated products can be processed into various insulating and structural parts, which are widely used in motors, transformers, high and low voltage electrical appliances, electrical instruments and electronic equipment. [0003] In the process of producing the prepreg, due to the change of the surface stress of the glass cloth, it is easy to have uneven content of glue, and defects such as glue particles, pinholes, and fish eyes are prone to occur. In order to avoid the occurrence of glue particles, try not to use glass cloth with thread ends or interrupted yarn in the production process; in addition, the ...

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
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B17/02B32B15/14B32B15/20B32B17/06B32B33/00B32B37/06B32B37/10B32B38/16B32B38/08C08L63/04C08L63/00C08K3/30C08J5/24
CPCB32B5/02B32B17/061B32B15/14B32B15/20B32B33/00B32B38/08B32B38/164B32B37/06B32B37/10C08L63/00C08J5/24B32B2262/101B32B2260/021B32B2260/046B32B2307/306B32B2307/546B32B2307/20C08L2205/03C08L2205/025C08K2003/3045C08L2201/08C08L2203/20C08J2363/04C08J2463/00C08K3/30
Inventor 赵亦初王建平
Owner JIANGYIN HUCHENG INSULATING MATERIAL
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