Coldly-stamped formed composite hard plate and production process

A technology of composite hard sheet and production process, applied in synthetic resin layered products, lamination, layered products, etc., can solve the problems of unclean cleaning of oil stains on the surface of aluminum materials, reduced material adhesion, material delamination, etc. Achieve the effect of reducing fracturing and delamination, improving yield, and enhancing composite fastness

Active Publication Date: 2013-01-16
云南名博实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Benefits of technology

This technology helps make sure that both materials are strong enough together when they're used with metal or plastic surfaces like steel sheets without causing damage from bending over them too much at once.

Problems solved by technology

This patented technical solution described by this patents involves applying an insulating layer onto both sides of a metal plate before heat pressing them into shape or create a new type of product called Layered Sheet Metal (LSPM). These products improve durability compared to traditional methods such as casting molten metals or welding materials.

Method used

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  • Coldly-stamped formed composite hard plate and production process

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Embodiment Construction

[0018] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] The primer (English: Primer) used on the aluminum substrate according to the present invention is a two-component chemical raw material composed of blocked polyisocyanate curing polyester-epoxy block copolymer, and the formula of the primer (English: Primer) is 26.82 parts of 1,2 propylene glycol and 73.072 parts of isophthalic acid were reacted under the catalysis of dibutyltin oxide at 240-260°C to an acid value of 112 (number average molecular weight 1000); it was dissolved in 51.5 parts of Solvesso100 to obtain a solution, and then Add 71.669 parts of Epikote828 epoxy resin and 0.1 part of benzyldimethylamine to the solution, control the reaction at 150°C until the acid value is 3mgKOH / g, the product hydroxyl value is 108.5mgKOH / g, and the molecular weight is 6000; use 1:1 ethylene glycol ether Solevesso 100

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Abstract

Disclosed are a coldly-stamped formed composite hard plate and a production process. The coldly-stamped formed composite hard plate is formed by stamping a polyamide film/composite glue/aluminum substrate/composite glue/polyvinyl chloride hard plate in a cold manner, and is characterized in that base coating is painted on the surface of an aluminum substrate and is bi-component chemical materials composed of closed polyisocyanates and polyester-epoxy block co-polymer, the aluminum substrate is fed into a drying tank consisting of 4-6 drying boxes to dry, is cooled by the air after drying and is wound by a coating machine after being subjected to cooling by an S-shaped water cooling roller, and the wound aluminum substrate is cured by being disposed in a curing chamber with the temperature of 50 DEG C for 2 days. The composite glue is coated among the wound aluminum substrate cut according to the conventional process and the polyamide film and the polyvinyl chloride hard plate, and the wound aluminum substrate, the polyamide film and the polyvinyl chloride hard plate are composited and formed in a cold stamping manner by a dry type compositing machine. Compositing firmness between the polyamide film and the aluminum substrate is enhanced, and the defects of cracking and layering of the composite hard plate materials due to cold stamping are overcome.

Description

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Claims

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Application Information

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Owner 云南名博实业有限公司
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