Peelable flexible coatings, compositions and methods thereof

A composition, flexible coating technology, applied in the direction of polyurea/polyurethane coatings, coatings, thin material processing, etc., can solve problems such as increased costs and production stoppages, production stoppages, polyurethane fractures, etc.

Inactive Publication Date: 2015-09-23
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the primer application step causes additional production downtime, and in addition, the solvents used in the primer can cause the polyurethane to crack
In some cases, high-strength compatible adhesive layers are used to improve the adhesion of the coating to the surface, but result in increased costs and production downtime

Method used

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  • Peelable flexible coatings, compositions and methods thereof
  • Peelable flexible coatings, compositions and methods thereof
  • Peelable flexible coatings, compositions and methods thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0057] Example 1: Preparation of Polyurethane-Polyacrylic Blend Dispersion with PP Granules .

[0058] synthesis . Known under the trade names Bayhydrol UH 2593 / 1, Bayer Material Science and NeoRez R-2180, DSM NeoResins and Bayhydrol UH 240, Bayer Material Science and Bayhydrol, and NeoPac E-122, DSM NeoResins, and Bayhydrol A 2651, Bayer Material Science The various polyurethane and polyurethane-acrylic dispersions were mixed by gentle stirring for 5 min at room temperature. Second, a small amount of co-solvent such as butoxydiethylene glycol, butyl glycol, ethylene glycol ethyl ether, and diethylene glycol ethyl ether was slowly added to the mixture of polymer dispersions and stirred at 300 rpm for 5 minutes. Then, some additives such as defoamers, leveling agents and organic wax emulsions, besides polyurethane-based thickeners were incorporated into the mixture with gentle stirring. Finally, micron-sized polypropylene pellets are added. The stirring speed was 300 rpm...

example 2

[0069] Example 2: Preparation of polyurethane-polyvinyl acetate blend dispersion with HDPE pellets prepare .

[0070] synthesis . The polyurethane dispersion (Bayhydrol UH 2593 / 1, Bayer Material Science) and the polyvinyl acetate dispersion (Acropol 63893, Nuplex Industries Ltd) were mixed with gentle stirring for 5 minutes at room temperature. Second, a small amount of co-solvent such as butoxydiethylene glycol, butyl glycol, ethylene glycol ethyl ether, and diethylene glycol ethyl ether was slowly added to the mixture of polymer dispersions and stirred at 300 rpm for 5 minutes. Additives such as defoamers, leveling agents and organic wax emulsions, besides polyurethane-based thickeners were incorporated into the mixture with gentle stirring. Finally, micron-sized high-density polyethylene (HDPE) pellets are added. The stirring speed was 300 rpm to 500 rpm for 5 min until a homogeneous coating composition was obtained. The coating composition is applied to the floor ...

example 3

[0071] Example 3: Preparation of polyurethane-polyurethane blend dispersion with inorganic glass bubble particles prepare .

[0072] synthesis . The first polyurethane dispersion (Bayhydrol UH 2593 / 1, Bayer Material Science) and the second polyurethane dispersion (NeoRez R-2180, DSM NeoResins) were mixed with gentle stirring for 5 minutes at room temperature. Second, a small amount of co-solvent such as butoxydiethylene glycol, butyl glycol, ethylene glycol ethyl ether, and diethylene glycol ethyl ether was slowly added to the mixture of polymer dispersions and stirred at 300 rpm for 5 minutes. Then, some additives such as defoamers, leveling agents and organic wax emulsions, besides polyurethane-based thickeners were incorporated into the mixture with gentle stirring. Finally, micron-sized inorganic glass bubble particles (glass bubbles K 46,3M) are added. The stirring speed was 300 rpm to 500 rpm for 5 min until a homogeneous coating composition was obtained. The co...

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Abstract

A peelable, flexible coating for a surface is provided, comprising a polymer blend that comprises polyurethane as a major component, and at least a polymer P2 having in comparison to polyurethane a higher peel strength to the surface to be coated and a higher percent elongation at break when cured for imparting a flexible and a peelable quality to the coating.

Description

technical field [0001] The present invention generally relates to compositions and coatings for surfaces such as floors, walls, furniture and any equipment requiring surface protection. Background technique [0002] Various types of protective polymeric coatings have been used to resist staining and abrasion of surfaces while providing additional functions such as slip resistance, gloss and color to various surfaces such as floors, walls, furniture or specific equipment. For example, floor surfaces made of materials such as vinyl, linoleum, wood, concrete, marble, terrazzo, ceramic, etc. have been painted based on permanent polymer finish coatings. However, such coatings require maintenance through the use of cleaners and tools, such as polishers or sanders operated by a trained technician. Coatings often become worn over time due to abrasive wear or exposure to the elements. When complete removal of the floor finish becomes necessary, chemical strippers are required to di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/00C09D5/20C09D133/12C09D129/04C09D123/06C09D123/12
CPCC09D175/04C09D5/20C09D5/00Y10T428/31551C08K5/04C08L33/00
Inventor 李枓炫法尔哈德·法塔希陈葵西乌德·M·艾哈迈德库苏姆·古赛因白峰
Owner 3M INNOVATIVE PROPERTIES CO
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