Biodegradable composition and products prepared therefrom

Details Biodegradable composition and products prepared therefrom Biodegradable composition and products prepared therefrom

B - Operations, Transporting

27

N

B27N 3/00 (2006.01) B27N 1/02 (2006.01) B27N 3/02 (2006.01) B27N 3/04 (2006.01) B27N 3/08 (2006.01) D21J 1/00 (2006.01)

Patent

CA 2415642

This invention relates to a composition which can be used to form a wood substitute. The composition comprises 30 to 70% (volume by volume) of a high molecular weight aliphatic polyester and comminuted cellulose-containing plant material, wherein the aliphatic polyester comprises 1,4- butanediol condensed with adipic acid and/or succinic acid. The invention also provides for producing wood substitute from the composition. The wood substitute has characteristics of natural wood. Articles made from the wood substitute are biodegradable and do not give off toxic fumes when combusted.

La présente invention concerne une composition, qui peut être utilisée afin de produire un matériau de substitution du bois. Cette composition comprend de 30 à 70 % (volume sur volume) d'un polyester aliphatique de haut poids moléculaire et de cellulose fragmentée contenant un matériau végétal. Ce polyester aliphatique comprend du 1,4-butanediol, qui est condensé avec de l'acide adipique et/ou de l'acide succinique. La présente invention concerne également un procédé de production de matériau de substitution du bois à partir de ladite composition. Ce matériau de substitution présente les caractéristiques du bois naturel. Les articles produits à partir de ce matériau de substitution du bois sont biodégradables et ne dégagent aucune fumée toxique lors de leur combustion.

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