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1. WO2022160046 - COMPOSITIONS FOR MAKING BIODEGRADABLE PLASTIC

Publication Number WO/2022/160046
Publication Date 04.08.2022
International Application No. PCT/CA2022/050108
International Filing Date 26.01.2022
IPC
C08L 3/02 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
3Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
02Starch; Degradation products thereof, e.g. dextrin
C08K 3/013
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
01characterised by their specific function
013Fillers, pigments or reinforcing additives
C08K 5/21 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
16Nitrogen-containing compounds
21Urea; Derivatives thereof, e.g. biuret
C08K 5/053 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
05Alcohols; Metal alcoholates
053Polyhydroxylic alcohols
C08K 5/151 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
15Heterocyclic compounds having oxygen in the ring
151having one oxygen atom in the ring
C08K 11/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
11Use of ingredients of unknown constitution, e.g. undefined reaction products
Applicants
  • CTK RESEARCH AND DEVELOPMENT CANADA LTD. [CA]/[CA]
Inventors
  • HUDSON, Zachary M.
  • CRANSTON, Emily D.
Agents
  • MBM INTELLECTUAL PROPERTY LAW LLP
Priority Data
63/141,73526.01.2021US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) COMPOSITIONS FOR MAKING BIODEGRADABLE PLASTIC
(FR) COMPOSITIONS POUR LA FABRICATION DE PLASTIQUE BIODÉGRADABLE
Abstract
(EN) The present invention provides biodegradable compositions for making biodegradable plastic. The composition comprise about 25% to about 50% by weight starch; about 0.5% to aboutl0% by weight ground plant waste material; about 20% to about 50% a polymer derived from ethylene, vinyl alcohol and/or an ester of vinyl alcohol; about 10% to about 30% of a plasticizer; and about 3% to about 10% a filler and optionally a processing agent.
(FR) La présente invention concerne des compositions biodégradables pour la fabrication de plastique biodégradable. La composition comprend de l'amidon ; des déchets végétaux broyés ; un polymère dérivé de l'éthylène, de l'alcool vinylique et/ou d'un ester d'alcool vinylique ; un plastifiant ; et éventuellement une charge et/ou un agent de traitement.
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