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High-temperature-resisting aqueous aluminum-plating transferring paint composition and preparation method thereof

A technology for transferring coatings and compositions, applied in fire-resistant coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as poor leveling and transfer performance, difficult to solve compatibility problems, etc., and achieve stable and stable supply of raw materials. , the effect of wide applicability

Inactive Publication Date: 2016-11-23
SHANGHAI CHENGYING NEW MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another method is to improve the temperature resistance by mixing resins with high temperature resistance, but such resins generally have poor leveling and transfer properties, and even cause compatibility problems that are difficult to solve

Method used

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  • High-temperature-resisting aqueous aluminum-plating transferring paint composition and preparation method thereof
  • High-temperature-resisting aqueous aluminum-plating transferring paint composition and preparation method thereof
  • High-temperature-resisting aqueous aluminum-plating transferring paint composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] This embodiment provides a water-based high-temperature-resistant aluminized transfer coating composition and a preparation method thereof. The coating composition includes the following components by weight: 83Kg water-based resin, 14Kg high-temperature-resistant silicone resin, 2Kg cosolvent, 1Kg Deionized water, 0.02Kg wetting agent, 0.01Kg leveling agent and 0.05Kg defoamer. Among them, the water-based resin is a water-based acrylic emulsion, with a solid content of 20wt%, a Tg of 0-30°C, and a molecular weight of ≥200,000; the high-temperature resistant silicone resin is a methylphenyl silicone resin, which is an anionic aqueous solution of weak alkalinity, with a solid content of 40wt %; cosolvent is isopropanol; wetting agent is sodium dodecylbenzenesulfonate; leveling agent is polyether modified polysiloxane; defoaming agent is modified silicone emulsion.

[0030] The preparation method comprises the following process steps:

[0031] (1) prepare materials accor...

Embodiment 2

[0036] This embodiment provides a water-based high-temperature-resistant aluminized transfer coating composition and a preparation method thereof. The coating composition includes the following components by weight: 80Kg water-based resin, 15Kg high-temperature-resistant silicone resin, 1Kg cosolvent, 4Kg Deionized water, 0.02Kg wetting agent, 0.01Kg leveling agent and 0.05Kg defoamer, wherein the water-based resin is water-based polyurethane emulsion with a solid content of 23wt%, a Tg of 0-30°C, and a molecular weight of ≥200,000; high temperature resistance The silicone resin is a silicone polyurethane resin, which is a weakly alkaline anionic aqueous solution with a solid content of 35wt%; the cosolvent is isopropanol; the wetting agent is sodium dodecylbenzenesulfonate; the leveling agent is polyether modified non-toxic polysiloxane; the defoamer is a modified silicone emulsion.

[0037] The preparation method comprises the following process steps:

[0038] (1) Prepare m...

Embodiment 3

[0043] This embodiment provides a water-based high-temperature-resistant aluminized transfer coating composition and a preparation method thereof. The coating composition includes the following components by weight: 70Kg water-based resin, 25Kg high-temperature-resistant silicone resin, 1Kg cosolvent, 4Kg Deionized water, 0.02Kg wetting agent, 0.01Kg leveling agent and 0.05Kg defoamer, wherein the water-based resin is acrylic modified polyurethane with a solid content of 30wt%, a Tg of 0-30°C, and a molecular weight of ≥200,000; The high temperature resistant silicone resin is epoxy modified silicone resin, which is weakly alkaline anionic aqueous solution with a solid content of 40wt%; the cosolvent is ethanol; the wetting agent is sodium dodecylbenzenesulfonate; the leveling agent is polystyrene Ether-modified polysiloxane; the defoamer is a modified silicone emulsion.

[0044] The preparation method comprises the following process steps:

[0045] (1) Prepare materials acco...

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Abstract

The invention provides a high-temperature-resistant water-based aluminized transfer coating composition and a preparation method thereof; the coating composition comprises the following components in parts by weight: 60-85 parts of water-based resin, 10-35 parts of high-temperature-resistant silicone resin , 1-2 parts of co-solvent; 1-4 parts of deionized water; 0.02 parts of wetting agent; 0.01 parts of leveling agent; 0.05 parts of defoaming agent. The invention can be applied to the improvement of the temperature resistance of multi-system water-based coatings. By adding an appropriate amount of modified silicone resin, the temperature resistance value tested by the molding method is significantly improved by 10-30°C compared with the coating without adding it, and the The added amount will not cause compatibility problems.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and relates to a high-temperature-resistant water-based aluminized transfer coating composition and a preparation method thereof. Background technique [0002] At present, most of the high-temperature-resistant aluminum-plating transfer coatings are solvent-based systems and a small part of water-based systems. The solvent-based systems use a large amount of organic solvents. On the one hand, the high content of volatile organic compounds (VOCs) seriously pollutes the production environment. On the other hand, it is beginning to Increased solvent taxes in related areas have forced greater interest in water-based coatings. However, the temperature resistance of a small number of existing water-based systems cannot reach the level of solvent-based coatings. Therefore, it is urgent to improve the temperature resistance of water-based aluminum-plating transfer coatings to meet market dema...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D175/04C09D175/14C09D129/04C09D183/04C09D183/06C09D7/00C09D7/12
CPCC09D133/00C08L2201/08C08L2205/02C08L2205/025C08L2205/035C09D5/18C09D7/20C09D7/63C09D7/65C09D129/04C09D175/04C09D175/14
Inventor 董海普宋雯夏炳忠
Owner SHANGHAI CHENGYING NEW MATERIALS
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