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Bio Based Waterborne Floor Coatings with Enhanced Flow, Appearance, and Early Hardness Development

Bio Based Waterborne Floor Coatings with Enhanced Flow, Appearance, and Early Hardness Development
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The use of sustainable materials in the flooring market has gained widespread interest in recent years. Bio based raw materials contribute significantly to these efforts and are used to prepare environmentally friendly coatings. Castor oil-based emulsions are used as polyols in waterborne polyurethane coatings. These systems have outstanding chemical resistance and good durability. But they have inherent issues like very short pot life, poor appearance / flow properties, and delayed early hardness development.  

Product Number: 41215-900-SG
Author: Steve Hellems, John Willhite, Ramesh Subramanian
Publication Date: 2015
Industries: Coatings , Coatings and Linings
$0.00
$20.00
$20.00

The use of sustainable materials in the flooring market has gained widespread interest in recent years. Bio based raw materials contribute significantly to these efforts and are used to prepare environmentally friendly coatings. Castor oil-based emulsions are used as polyols in waterborne polyurethane coatings. These systems have outstanding chemical resistance and good durability. But they have inherent issues like very short pot life, poor appearance / flow properties, and delayed early hardness development.  In this paper the development of a new castor oil-based polyol emulsion that can be used effectively in waterborne polyurethane applications is discussed. The modified polyol emulsion was formulated with polymeric MDI (methylene diphenyl disocyanate) based crosslinker, pigments and additives to prepare thick concrete coatings. The appearance of the system, flow behavior, adhesion characteristics, surface roughness, working life, and early hardness development of the formulations were compared with the control.

The use of sustainable materials in the flooring market has gained widespread interest in recent years. Bio based raw materials contribute significantly to these efforts and are used to prepare environmentally friendly coatings. Castor oil-based emulsions are used as polyols in waterborne polyurethane coatings. These systems have outstanding chemical resistance and good durability. But they have inherent issues like very short pot life, poor appearance / flow properties, and delayed early hardness development.  In this paper the development of a new castor oil-based polyol emulsion that can be used effectively in waterborne polyurethane applications is discussed. The modified polyol emulsion was formulated with polymeric MDI (methylene diphenyl disocyanate) based crosslinker, pigments and additives to prepare thick concrete coatings. The appearance of the system, flow behavior, adhesion characteristics, surface roughness, working life, and early hardness development of the formulations were compared with the control.

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