Resin-based laminate with excellent water resistance and preparation method thereof

A resin and base layer technology, applied in the field of composite material preparation, can solve the problem of no long-term use requirements of composite materials, and achieve the effect of good low water absorption performance

Active Publication Date: 2020-10-16
SICHUAN FIBERGLASS GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, materials used in water mist and underwater environments, except for regular anti-corrosion coating treatment and maintenance, there is no suitable composite material that can meet the long-term use requirements

Method used

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  • Resin-based laminate with excellent water resistance and preparation method thereof
  • Resin-based laminate with excellent water resistance and preparation method thereof
  • Resin-based laminate with excellent water resistance and preparation method thereof

Examples

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preparation example Construction

[0058] Preferably, the preparation method further includes: pre-soaking the basalt fiber cloth with the resin glue solution as described in any of the aforementioned embodiments or the resin glue solution prepared by the method for preparing the resin glue solution as described in any of the aforementioned implementations.

[0059] In some embodiments, the preparation method further includes pre-curing the basalt fiber cloth impregnated with resin glue into a prepreg; the pre-curing conditions are: oven temperature 160°C-170°C, speed 6-8 meters / min.

Embodiment 1

[0062] This embodiment provides a resin-based laminate with excellent water resistance, and its preparation method is as follows.

[0063] (1) resin glue

[0064] In parts by weight, the raw materials of resin glue include: 30 parts of isobutanol etherified melamine resin (molecular weight is 170), 45 parts of E44 bisphenol A glycidyl ether type epoxy resin (epoxy value is 0.44, epoxy resin Equivalent weight is 220), 3 parts of dimethylbenzylamine, 0.7 parts of UV light blocker, 25 parts of denatured alcohol and 15 parts of toluene.

[0065] Weigh 100g of isobutanol etherified melamine resin and 150g of E44 bisphenol A glycidyl ether type epoxy resin into a three-necked flask with a stirrer and a condenser, stir and raise the temperature to 115°C to allow polymerization to occur, forming The prepolymer shown in Formula 1 was incubated for 50 minutes, and the reaction was completed.

[0066] Formula 1:

[0067] Wherein, n is selected from 1 to 5, and R is selected from:

...

Embodiment 2

[0076] This embodiment provides a resin-based laminate with excellent water resistance, the preparation method of which is roughly the same as that of Embodiment 1, with the difference that:

[0077] The mass ratio of the melamine resin to the epoxy resin is different, and in this embodiment, the mass ratio of the melamine resin to the epoxy resin is 1:1.8.

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Abstract

The invention discloses a resin-based laminate with excellent water resistance and a preparation method thereof, and relates to the field of preparation of composite materials, the resin-based laminate with excellent water resistance is formed by curing basalt fiber cloth sizing resin glue solution and then pressing, has good low water absorption performance, simultaneously meets the use requirements of indoor and outdoor environments, and particularly can be used in a water mist environment or soaked in water.

Description

technical field [0001] The invention relates to the field of preparation of composite materials, in particular to a resin-based laminate with excellent water resistance and a preparation method thereof. Background technique [0002] The invention patent with the application number CN201210393364.1 discloses a resin formula and a laminate preparation method for glass fiber cloth reinforced epoxy resin insulating laminates. The insulating laminates produced by this invention have high mechanical strength, good temperature resistance, and can The performance is excellent, and it can be used under the condition of 155 ℃ for a long time. [0003] The invention patent with the application number CN201310451464.X discloses a resin formula and a laminate preparation method for glass fiber cloth reinforced benzoxazine-imide resin insulating laminates. The insulating laminates produced by this invention have extremely high mechanical strength, The temperature performance is very good...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/02C08L61/32C08K7/10C08J5/24B32B19/02B32B19/06
CPCC08J5/24B32B19/02B32B19/06C08J2363/02C08J2461/32C08K7/10B32B2250/20B32B2260/023B32B2260/046B32B2307/7265Y02T50/40
Inventor 李磊唐昌万魏世明马鑫磊
Owner SICHUAN FIBERGLASS GRP
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