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A kind of anodized aluminum adhesive layer resin containing hyperbranched polyamide and preparation method thereof

A technology of hyperbranched polyamide and anodized aluminum, which is applied in the field of anodized aluminum adhesive layer resin, an anodized aluminum adhesive layer resin containing hyperbranched polyamide, and its preparation field, can solve the problem of difficulty in filling in the field, hotness on anodized aluminum, and separation. Severe cutting requirements, sharp edges, etc.

Active Publication Date: 2018-01-02
YANGZHOU XIANGHUA NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, large-area hot stamping has strict requirements on hot stamping and cutting of anodized aluminum, so it is difficult to achieve full field, no missing hot stamping, and clear edges in actual hot stamping operations, which has long been recognized as a technical difficulty by the industry

Method used

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  • A kind of anodized aluminum adhesive layer resin containing hyperbranched polyamide and preparation method thereof
  • A kind of anodized aluminum adhesive layer resin containing hyperbranched polyamide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Add 22.82 g of 3,5-diaminobenzoic acid and 98.06 ml of deionized water into a 250 mL three-necked flask equipped with a thermometer and a stirring device, and self-polymerize at 80°C for 5 hours to obtain a bright yellow liquid, and then dry to obtain a yellow powder That is HBPs-A1.

[0060] In a dry flask with stirring device, reflux condenser and thermometer, add 10g NJ-220, 2.223g IPDI, 0.671g DMPA and 10gDMF at one time, raise the temperature to 60°C, add 1 drop of T-12, and slowly raise the temperature to Stir at 85°C for 6 hours; lower the temperature to 40°C, add TEA to adjust the pH to 7, react for 50 minutes, slowly drop 32.98g of deionized water into the reaction vessel under high-speed stirring at 2000r / min for emulsification and dispersion, and obtain the solid content 30% PU prepolymer emulsion.

[0061] Put 48g of n-butanol into the reaction kettle, and control the temperature in the kettle to 30°C; add 30g of polyurethane resin and 6g of nitrocellulose ...

Embodiment 2

[0063] Add 53.25 g of 3,5-diaminobenzoic acid and 98.06 ml of deionized water into a 250 mL three-necked flask equipped with a thermometer and a stirring device, and autopolymerize at 60°C for 1 hour to obtain a bright yellow liquid, which is then dried to obtain a yellow powder That is HBPs-A2.

[0064] In a dry flask with stirring device, reflux condenser and thermometer, add 10g NJ-220, 1.67g IPDI, 0.60g DMPA and 5gDMF at one time, raise the temperature to 40°C, add 1 drop of T-12, and slowly heat up to Stir at 80°C for 1 hour; lower the temperature to 30°C, add TEA to adjust the pH to 7, react for 10 minutes, slowly drop 151.18g of deionized water into the reaction vessel under high-speed stirring at 1000r / min for emulsification and dispersion, and obtain a solid content of 8% PU prepolymer emulsion.

[0065] Put 70g of n-butanol into the reaction kettle, and control the temperature in the kettle to 25°C; add 25g of polyurethane resin and 5g of nitrocellulose in sequence,...

Embodiment 3

[0067] Add 114.11 g of 3,5-diaminobenzoic acid and 98.06 ml of deionized water into a 250 mL three-necked flask equipped with a thermometer and a stirring device, autopolymerize at 90°C for 6 hours to obtain a bright yellow liquid, and dry to obtain a yellow powder That is HBPs-A3.

[0068] In a dry flask with stirring device, reflux condenser and thermometer, add 10g NJ-220, 2.78g IPDI, 0.68g DMPA and 20gDMF at one time, raise the temperature to 80°C, add 2 drops of T-12, and slowly raise the temperature to Stir at 90°C for 8 hours; lower the temperature to 50°C, add TEA to adjust the pH to 8, react for 90 minutes, slowly drop 5.34g of deionized water into the reaction vessel under high-speed stirring at 3000r / min for emulsification and dispersion, and obtain the solid content It is 80% PU prepolymer emulsion.

[0069] Put 40g of n-butanol into the reaction kettle, control the temperature in the kettle to 60°C; add 40g of polyurethane resin and 15g of nitrocellulose in seque...

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Abstract

The invention belongs to the field of polymer materials, and relates to an anodized aluminum adhesive layer resin containing hyperbranched polyamide and a preparation method thereof. An anodized aluminum adhesive layer resin containing hyperbranched polyamide, the components and mass parts of which are 1-10 parts of hyperbranched polyamide, 25-40 parts of polyurethane resin, 5-15 parts of other resins, and 8-20 parts of silicon powder parts, 0.5~1.0 parts of additives, 40~70 parts of solvents. The invention also discloses a method for preparing the anodized aluminum adhesive layer resin containing hyperbranched polyamides. First, hyperbranched polyamides and polyurethane prepolymer emulsions of different generations are respectively prepared, and then hyperbranched polyamides of different generations and contents are The amide is used as a modifying agent to blend with polyurethane prepolymer emulsion and mixed with other auxiliary materials to obtain it. The adhesive layer resin prepared by the present invention has lower viscosity and better solubility. In the curing stage, a large number of terminal active groups of hyperbranched polyamide participate in the crosslinking reaction, and the grid points of the entire curing system increase, and the cured film The connection is stronger, and it is not easy to crack and peel off during bronzing operation.

Description

technical field [0001] The invention belongs to the field of polymer materials, and relates to an anodized aluminum adhesive layer resin, in particular to an anodized aluminum adhesive layer resin containing hyperbranched polyamide and a preparation method thereof. Background technique [0002] Anodized aluminum hot stamping technology is constantly being improved and innovated by scientific workers to apply to a wider range of hot stamping fields. Because of the complexity of hot stamping loads, hot stamping graphics, etc., it is very important to find an anodized aluminum that can meet specific hot stamping needs. Among them, large-area hot stamping is difficult to achieve full field, no missing hot stamping, and clear edges in actual hot stamping operations due to its strict requirements on hotness and cutting of anodized aluminum, which has long been recognized as a technical difficulty by the industry. [0003] At present, the most widely used acrylic resin in the adhes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/08C08L1/18C08L77/00C08L1/14C08L27/24C08K3/34C08G18/66C08G18/48
Inventor 张爱斌陈正宇
Owner YANGZHOU XIANGHUA NEW MATERIAL TECH CO LTD
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