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Environment-friendly aqueous adhesive for electrochemical aluminum and preparation method thereof

A technology of adhesives and anodized aluminum, applied in the direction of adhesives, epoxy resin glue, adhesive types, etc., can solve the problems of poor printing performance, unclear patterns and text, etc., and achieve good hot stamping effect and excellent adhesion Power, clear effect of hot stamping graphics

Active Publication Date: 2011-01-12
云南玉溪东魅包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the basic performance of the adhesive layer in anodized aluminum is the ease of transferring it to the substrate and whether it can get clear patterns and texts. Although the adhesive layer prepared by some companies does not have harmful volume residues to the human body and is conducive to environmental protection, it is still Its printing performance is not high, and there are problems such as unclear patterns and characters

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An environment-friendly water-based adhesive, the formula of which is as follows: 30 parts of water-soluble phenolic resin, 45 parts of water, 20 parts of isopropanol, 3 parts of white carbon black, and 0.01 part of tributyl phosphate.

[0022] The preparation method of the water-based adhesive is: A, according to the above formula ingredients, wherein water-soluble phenolic resin 3KG, water 4.5KG, isopropanol 2KG, white carbon black 0.3KG, tributyl phosphate 0.001KG; B, weigh Good water with a temperature of 15°C is added to the reaction vessel, and mixed with isopropanol, and the temperature is controlled between 10-30°C during this process; C. Put the water-soluble phenolic resin into the mixture obtained in step B Stir evenly; D. Put white carbon black into the mixture obtained in step C and stir for 20 minutes until the mixture is uniform; E. Add tributyl phosphate and stir slowly for 30 minutes until the mixture is uniform and no bubbles are generated.

[0023] Th...

Embodiment 2

[0025] An environment-friendly water-based adhesive, the formula of which is as follows: 32 parts of amino resin, 44 parts of water, 21 parts of n-butanol, 2 parts of white carbon black, and 0.015 parts of fluorine-containing modified silicone.

[0026] The preparation method of the water-based adhesive is: A, according to the above formula ingredients, wherein amino resin 3.2KG, water 4.4KG, n-butanol 2.1KG, white carbon black 0.2KG, fluorine-containing modified silicone 0.0015KG; B, Add the weighed water with a temperature of 20°C into the reaction vessel, and put it into n-butanol for mixing, during which the temperature is controlled between 10-30°C; C, put the amino resin into the mixture obtained in step B D. Put white carbon black into the mixture obtained in step C and stir for 20 minutes until it is evenly mixed; E. Add fluorine-containing modified silicone and stir slowly for 25 minutes until it is evenly mixed and no bubbles are generated.

[0027] The prepared wate...

Embodiment 3

[0029] An environment-friendly water-based adhesive, its formula by weight fraction is: 35 parts of alkyd resin, 45 parts of water, 20 parts of glycol ether, 4 parts of white carbon black, and 0.02 part of n-octanol.

[0030] The preparation method of this water-based adhesive is: A, according to the above formula ingredients, wherein alkyd resin 35KG, water 45KG, glycol ether 20KG, white carbon black 4KG, n-octanol 0.02KG; B, weighed 1. Add water with a temperature of 20°C into the reaction vessel, and put it into glycol ether for mixing. During this process, the temperature is controlled between 10-30°C; C. Put the alkyd resin into the mixture obtained in step B and stir evenly ; D. Put white carbon black into the mixture obtained in step C and stir for 20 minutes until it is evenly mixed; E. Add n-octanol and stir slowly for 30 minutes until it is evenly mixed without generating bubbles.

[0031] The prepared water-based adhesive is directly coated on the surface of the bas...

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PUM

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Abstract

The invention relates to the field of dye, coating and adhesive, in particular to aqueous adhesive for electrochemical aluminum, and provides environment-friendly aqueous adhesive for electrochemical aluminum and a preparation method thereof. Compared with the conventional solvent type adhesive, the aqueous adhesive is environmental protection and low cost; and meanwhile, compared with common aqueous coating, the aqueous adhesive has the advantages of good printing adaptability, wide thermoprinting temperature range, good thermoprinting effect and easy control of production process. The invention adopts the following technical means that: the formula of the aqueous adhesive comprises the following components in part by weight: 30 to 35 parts of aqueous resin, 42 to 47 parts of water, 18 to 23 parts of cosolvent, 2 to 4 parts of white carbon black and 0.01 to 0.02 part of defoaming agent; and the preferable formula of the aqueous adhesive comprises the following components in part by weight: 32 to 34 parts of aqueous resin, 44 to 46 parts of water, 20 to 22 parts of cosolvent, 2 to 3 parts of white carbon black and 0.015 to 0.02 part of defoaming agent.

Description

technical field [0001] The invention relates to the fields of dyes, coatings and adhesives, and more specifically relates to a water-based adhesive for anodized aluminum. Background technique [0002] At present, in my country, a large amount of organic solvents are used in the production process of the anodized aluminum industry. The products produced usually contain residues of various volatile organic compounds (VOCs). A large amount of organic solvents are used. On the one hand, the residues will invade the human body and cause cumulative Poisoning, on the other hand, also has the problem of higher solvent cost. For example, the application number is 2008100160540.1 (a thermal transfer hot stamping adhesive for anodized aluminum and its preparation method), the patent number is 200610116808.1 (an adhesive for an anodized aluminum coating and its preparation method), and the application number is 200810048922.4 (Holographic Positioning Electrochemical Aluminum High-speed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J161/06C09J161/20C09J167/08C09J163/00C09J133/00
Inventor 何宗修杨江涛李德慧蒯艳红张韬
Owner 云南玉溪东魅包装材料有限公司
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