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A kind of film-coated glue used for film-coated iron production and production method thereof

A film-coated iron and film-coated technology, applied in the direction of adhesives, adhesive types, polyurea/polyurethane adhesives, etc., can solve problems such as environmental pollution, increase comprehensive performance, improve adhesiveness, and improve curing effect Effect

Active Publication Date: 2017-06-16
李东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional laminating glues usually use some polluting organic solvents, which cause great pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of coating glue that is used for coated iron production, described coating glue comprises following weight components:

[0033] Prepolymer: a mixture of polyester diol and isophorone diisocyanate with a molar ratio of 1:1: 100 parts;

[0034] Curing agent: including: castor oil: 30 parts; diethylene glycol: 2.5 parts;

[0035] Silane coupling agent: 3-aminopropyltriethoxysilane: 2 parts;

[0036] Leveling agent: 1 part; the leveling agent in this embodiment can be selected from the acrylic leveling agent 1153 produced by Shenzhen Mooneng Chemical Co., Ltd.;

[0037] EVA emulsion: 8 parts;

[0038] Acrylate emulsion: 5 parts.

[0039] A kind of production method of the coating glue that is used for coated iron production, comprises the following steps:

[0040] (1) Synthesis of prepolymer: Add polyester diol and isophorone diisocyanate with a molar ratio of 1:1 into the reactor respectively and stir and mix, heat to 80° C. under nitrogen protection, and keep t...

Embodiment 2

[0045] A kind of coating glue that is used for coated iron production, described coating glue comprises following weight components:

[0046] Prepolymer: a mixture of polyester diol and isophorone diisocyanate with a molar ratio of 1:1: 100 parts;

[0047] Curing agent: including: castor oil: 36 parts; diethylene glycol: 2.8 parts;

[0048] Silane coupling agent: 3-aminopropyltriethoxysilane: 2.4 parts;

[0049] Leveling agent: 1.3 parts; the leveling agent in this embodiment can be selected from the acrylic leveling agent 1153 produced by Shenzhen Mooneng Chemical Co., Ltd.;

[0050] EVA emulsion: 8.8 parts;

[0051] Acrylate emulsion: 5.7 parts.

[0052] A kind of production method of the coating glue that is used for coated iron production, comprises the following steps:

[0053](1) Synthesis of prepolymer: Add polyester diol and isophorone diisocyanate with a molar ratio of 1:1 into the reactor respectively and stir and mix, heat to 85° C. under nitrogen protection, an...

Embodiment 3

[0058] A kind of coating glue that is used for coated iron production, described coating glue comprises following weight components:

[0059] Prepolymer: a mixture of polyester diol and isophorone diisocyanate with a molar ratio of 1:1: 100 parts;

[0060] Curing agent: including: castor oil: 43 parts; diethylene glycol: 3.1 parts;

[0061] Silane coupling agent: 3-aminopropyltriethoxysilane: 2.7 parts;

[0062] Leveling agent: 1.8 parts; the leveling agent in this embodiment can be selected from the acrylic leveling agent 1153 produced by Shenzhen Mooneng Chemical Co., Ltd.;

[0063] EVA emulsion: 9.5 parts;

[0064] Acrylate emulsion: 6.4 parts.

[0065] A kind of production method of the coating glue that is used for coated iron production, comprises the following steps:

[0066] (1) Synthesis of prepolymer: Add polyester diol and isophorone diisocyanate with a molar ratio of 1:1 into the reactor respectively and stir and mix, heat to 85° C. under nitrogen protection, a...

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PUM

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Abstract

The invention provides a coating adhesive for production of coated iron. The coating adhesive comprises the following components in parts by weight: 100 parts of prepolymer, 32.5-53.5 parts of a curing agent, 2-3 parts of a silane coupling agent, 1-2 parts of a flatting agent, 8-10 parts of EVA emulsion and 5-7 parts of acrylate emulsion, wherein the prepolymer is a mixture of polyester glycol and isophorone diisocyanate in a molar ratio of 1:1; and the curing agent is prepared from 30-50 weight parts of castor oil and 2.5-3.5 weight parts of diethylene glycol. The invention further provides a method for producing the coating adhesive. The coating adhesive produced by the method has excellent metal adhesion, is environment-friendly, and does not have pollution.

Description

technical field [0001] The invention relates to a coating glue used in the production of coated iron and a production method thereof. Background technique [0002] The metal plate lamination technology is a processing technology in which the plastic film and the metal plate are hot-pressed at high temperature, and the film is attached to the metal plate. Film coating technology was born in Japan in 1977. It was originally used for can making, which can replace internal coating and external coating technology. Up to now, it has been developed into various fields such as building material interior decoration, home appliance shell, and ship interior decoration. [0003] The laminated sheet used in the canning industry, commonly known as laminated steel (Laminated Steel), is made of PET, PVC, VCM or PP film and metal sheet (galvanized sheet, cold-rolled sheet, aluminum sheet, stainless steel sheet) for lamination made. The inner side of traditional metal cans must be painted, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J175/14C09J123/08C09J133/08C09J11/06C08G18/75C08G18/67C08G18/66C08G18/42C08G18/32C08J5/12
Inventor 李东
Owner 李东
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