AQUEOUS COATINGS MADE FROM POLYHYDROXYALKANOATE (PHA) CAKE

A biodegradable aqueous mixture for coating substrates is disclosed, which includes from about 35 to about 75 weight percent water and from about 25 to about 65 weight percent solids. The solids in turn are made up of from about 40 to about 99 weight percent polyhydroxyalkanoates based on the total...

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Bibliographische Detailangaben
Hauptverfasser:	JOYCE, MICHAEL J, GRUBBS, JOE B. III, DURIE, KARSON
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING ORGANIC MACROMOLECULAR COMPOUNDS SPIRITS THEIR PREPARATION OR CHEMICAL WORKING-UP VINEGAR WINE
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Beschreibung
Zusammenfassung:	A biodegradable aqueous mixture for coating substrates is disclosed, which includes from about 35 to about 75 weight percent water and from about 25 to about 65 weight percent solids. The solids in turn are made up of from about 40 to about 99 weight percent polyhydroxyalkanoates based on the total dry weight of the solids. Moreover, the polyhydroxyalkanoates are in the form of polyhydroxyalkanoate particles having a moisture content of no less than about 1% by weight prior to mixing with the water and a Dv (90) particle size of no more than about 10 microns, as determined using ISO 8130- 13:2019. L'invention divulgue un mélange aqueux biodégradable pour revêtement de substrats de revêtement, qui comprend environ 35 à environ 75 pour cent en poids d'eau et présente un extrait sec d'environ 25 à environ 65 pour cent en poids. Pour sa part, l'extrait sec est constitué d'environ 40 à environ 99 pour cent en poids de polyhydroxyalcanoates, par rapport au poids sec total de l'extrait sec. De plus, les polyhydroxyalcanoates se présentent sous forme de particules de polyhydroxyalcanoates ayant une teneur en humidité non inférieure à environ 1 % en poids avant mélange avec de l'eau et une granulométrie Dv (90) non supérieure à environ 10 micromètres, telle que déterminée selon ISO 8130-13:2019.