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General type single component metal coating glue as well as preparation method and application thereof

A one-component, general-purpose technology, used in adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve the problems of low strength and poor versatility, and achieve good environmental protection, good use effect and simple formula. Effect

Inactive Publication Date: 2017-09-26
青岛海创化学品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a general-purpose one-component metal-coated glue and its preparation method and application, which solves the problem that the single-component glue in the prior art needs to adjust its formula when it is applied to different substrates Poor versatility, low strength and potential quality problems

Method used

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preparation example Construction

[0023] A preparation method of a general-purpose one-component metal-coated glue of the present invention comprises the following steps: taking mixed dibasic acid dimethyl, adding solvent naphtha, stirring for the first time, adding saturated polyester resin, and carrying out Stir for the second time, then add blocked isocyanate and titanate coupling agent in sequence, stir for the third time, and finally add propylene glycol methyl ether acetate, stir for the fourth time to obtain the metal coating glue.

[0024] Preferably, the time for the second stirring is 15-30 min, the time for the third stirring is 15-30 min, and the time for the fourth stirring is 30-60 min.

[0025] Further, the temperatures of the first stirring, the second stirring, the third stirring and the fourth stirring are all at room temperature, and the first stirring, the second stirring, The speeds of the third stirring and the fourth stirring are both 100-1000 r / min.

[0026] The application of a genera...

Embodiment 1

[0030] A preparation method of a general-purpose one-component metal-coated glue of the present invention comprises the following steps: take 10.2 g of mixed dibasic acid dimethyl ester, add 15.3 g of solvent naphtha, stir for the first time, add saturated polyester 40g of resin was stirred for the second time, then, 6g of blocked isocyanate and 3g of titanate coupling agent were added successively, and the third time was stirred, and finally, 25.5g of propylene glycol methyl ether acetate was added, and the fourth time was stirred to obtain Metal laminating glue.

Embodiment 2

[0032]The preparation method of a kind of general-purpose one-component metal coating glue of the present invention comprises the following steps: take 26g of mixed dibasic acid dimethyl esters, stir for the first time, add saturated polyester resin 30g, stir for the second time, Stir for 15min, then add 3g of blocked isocyanate and 2g of titanate coupling agent in sequence, stir for the third time, stir for 30min, finally, add 39g of propylene glycol methyl ether acetate, stir for the fourth time, stir for 30min, to obtain metal Laminating glue; in this embodiment, the saturated polyester resin is a high molecular weight saturated polyester resin with a molecular weight of 15000-20000.

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Abstract

The invention discloses a general type single component metal coating glue as well as a preparation method and application thereof, and belongs to the technical field of chemical adhesives. The general type single component metal coating glue is prepared from the following components in weight by percent: 30 to 40% of saturated polyester resin, 3 to 6% of blocked isocyanate, 51 to 65% of mixed solvent and 0.5 to 3% of titanate coupling agent; the mixed solvent is prepared from the following solvents in weight by percent: 20 to 40% of mixed dibasic acid dimethyl esters, 50 to 75% of propylene glycol methyl ether acetate and 0 to 30% of solvent naphtha; the invention also provides the preparation method and the application of the general type single component metal coating glue. The general type single component metal coating glue is prepared by adopting the saturated polyester resin and the blocked isocyanate and the titanate coupling agent to be cured in a two solvent or a three solvent, and has a three-dimensional network-like crosslinking structure, enhances the bonding property, increases the flexibility and adhesion of the glue film, improves the water resistance, and can be adapted to the processing of fitting different metal substrates and plastic film.

Description

technical field [0001] The invention belongs to the technical field of chemical adhesives, in particular to a general-purpose one-component metal coating glue and its preparation method and application. Background technique [0002] At present, in the industries of household appliances, door industry, building materials and decoration, in order to improve the decoration and special functionality of the surface of the metal sheet, coating the surface of the metal sheet has been more and more widely used; these colorful and functional The special surface coating layer is mainly made of PVC, PET and PP composite materials. The plastic film composed of this composite material needs to be reliably bonded to the metal substrate (that is, the metal sheet, such as galvanized steel sheet, aluminum sheet or alloy sheet, etc.). In order to achieve the long-term application effect of plastic film. In addition, many metal sheets need subsequent processing after film coating, such as hem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J167/00C09J11/06
CPCC08K5/10C08K5/29C09J11/06C09J167/00
Inventor 黄聿川官晓龙朱培礼
Owner 青岛海创化学品有限责任公司
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