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Heat preservation powder coating for aluminum alloy sections and preparation method of same

A heat insulation technology for aluminum alloy profiles, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems of unsuitable powder coatings for aluminum alloy profiles, and achieve the effects of low cost, broad application prospects, and easy preparation

Inactive Publication Date: 2013-06-05
SHANGHAI NAT ENG RES CENT FORNANOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above formulas all add binders to the water base and solidify at room temperature to form films, which are not suitable for powder coatings for aluminum alloy profiles.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] formula:

[0053] CE2098 57.5 grams;

[0054] TGIC 4.3 g;

[0055] GLP788 1.0 g;

[0056] BLC701 1.0 g;

[0057] Benzoin 0.2g;

[0058]Expanded perlite 25 grams;

[0059] Titanium dioxide 16 grams;

[0060] Barium sulfate 16 grams.

[0061] 1. Crushing of materials:

[0062] In order to ensure the uniformity of the subsequent mixing, the large-grained raw materials of the heat insulation component must first be pulverized by an air-cooled universal pulverizer, and then sieved through a 160-mesh screen to obtain completely passed materials;

[0063] 2. Preparation of thermal insulation powder coating:

[0064] The film forming agent, curing agent, leveling agent, brightener, degassing agent, heat insulation component and filler in the formula are weighed and added to a high-speed mixer for mixing. Mix for 15 minutes to fully mix all components evenly, and send the uniformly mixed materials into a twin-screw mixing extruder. The temperature of the feeding section...

Embodiment 2

[0072] formula:

[0073] CE2098 57.5 grams;

[0074] TGIC 4.3 g;

[0075] GLP788 1.0 g;

[0076] BLC701 1.0 g;

[0077] Benzoin 0.2g;

[0078] Expanded vermiculite 25 grams;

[0079] 10 grams of expanded perlite;

[0080] Titanium dioxide 16 grams;

[0081] Barium sulfate 16 grams.

[0082] 1. Crushing of materials:

[0083] In order to ensure the uniformity of the subsequent mixing, the large-grained raw materials of the heat insulation component must first be pulverized by an air-cooled universal pulverizer, and then sieved through a 160-mesh screen to obtain completely passed materials;

[0084] 2. Preparation of thermal insulation powder coating:

[0085] The film forming agent, curing agent, leveling agent, brightener, degassing agent, heat insulation component and filler in the formula are weighed and added to a high-speed mixer for mixing. Mix for 15 minutes to fully mix all components evenly, and send the uniformly mixed materials into a twin-screw mixing ext...

Embodiment 3

[0089] formula:

[0090] CE2098 57.5 grams;

[0091] TGIC 4.3 g;

[0092] GLP788 1.0 g;

[0093] BLC701 1.0 g;

[0094] Benzoin 0.2g;

[0095] 10 grams of expanded vermiculite;

[0096] 10 grams of expanded perlite;

[0097] Titanium dioxide 16 grams;

[0098] Barium sulfate 20 grams.

[0099] 1. Crushing of materials:

[0100] In order to ensure the uniformity of the subsequent mixing, the large-grained raw materials of the heat insulation component must first be pulverized by an air-cooled universal pulverizer, and then sieved through a 160-mesh screen to obtain completely passed materials;

[0101] 2. Preparation of thermal insulation powder coating:

[0102] The film forming agent, curing agent, leveling agent, brightener, degassing agent, heat insulation component and filler in the formula are weighed and added to a high-speed mixer for mixing. Mix for 15 minutes to fully mix all components evenly, and send the uniformly mixed materials into a twin-screw mixing ...

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Abstract

The invention relates to heat preservation powder coating for aluminum alloy sections and a preparation method of the heat preservation powder coating. The heat preservation powder coating for the aluminum alloy sections comprises the following components, by mass fraction, 48-58% of a film-forming agent, 3.6-4.3% of a curing agent, 1.0% of a flatting agent, 1.0% of a brightening agent, 0.2% of a degassing agent, 20-30% of heat preservation component and 16-36% of filler. The preparation method of the heat preservation powder coating for the aluminum alloy sections is characterized by comprising the following steps: smashing and screening are conducted; then the film-forming agent, the curing agent, the flatting agent, the brightening agent, the degassing agent, the heat preservation component, and the filler in a formula are added and mixed; materials evenly mixed are sent to a double-screw mixing extruder, the temperature of a material-feeding section of the extruder is 105-110 DEG C, the temperature of a discharging section is 110-115 DEG C; and after being discharged, the materials are smashed and screened. Powder materials with mesh number larger than 200 are collected, and then the heat preservation powder coating is obtained. The heat preservation powder coating for the aluminum alloy sections is low in heat conductivity, good in heat preservation performance, low in cost, simple and convenient to prepare and quite broad in application prospect.

Description

technical field [0001] The invention relates to a powder coating and a preparation method thereof, in particular to a thermal insulation powder coating for aluminum alloy profiles and a preparation method thereof. Background technique [0002] Powder coating has the characteristics of resource saving, energy saving, pollution-free, high labor productivity and easy automatic coating. It has become a recognized eco-friendly, high production efficiency, excellent coating performance and economical coating product. Among the various coating varieties, the development speed is the fastest, providing space for the development of many functional coatings. [0003] Building energy conservation is the main content of the implementation of the national environmental protection and energy conservation policies. The energy consumption of building heating in the cold northern regions has accounted for more than 20% of the local energy consumption of the whole society, and most of them us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D5/03
Inventor 陈超陈月辉赵斌何丹农
Owner SHANGHAI NAT ENG RES CENT FORNANOTECH