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1. WO2022160032 - BIODEGRADABLE POLYMERIC MATERIAL, BIODEGRADABLE PRODUCTS AND METHODS OF MANUFACTURE AND USE THEREFOR

Publication Number WO/2022/160032
Publication Date 04.08.2022
International Application No. PCT/CA2021/051886
International Filing Date 23.12.2021
IPC
C08L 67/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
67Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
C08J 3/18 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
3Processes of treating or compounding macromolecular substances
18Plasticising macromolecular compounds
C08J 3/20 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
3Processes of treating or compounding macromolecular substances
20Compounding polymers with additives, e.g. colouring
C08K 3/013 2018.1
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
3Use of inorganic substances as compounding ingredients
01characterised by their specific function
013Fillers, pigments or reinforcing additives
C08K 7/02 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
7Use of ingredients characterised by shape
02Fibres or whiskers
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
Applicants
  • ERTHOS, INC. [CA]/[CA]
Inventors
  • DONG, Chang
  • TYAGI, Kritika
  • ZARRINBAKHSH, Nima
  • ABDOLI, Hossein
  • WEN, Jiahui
Agents
  • OSLER, HOSKIN & HARCOURT LLP
  • WHITE, J. Bradley
  • DINAUT, A. Nicole
  • HOLDEN, Clark
  • O'HARA, Maryann
Priority Data
202110129521.729.01.2021CN
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) BIODEGRADABLE POLYMERIC MATERIAL, BIODEGRADABLE PRODUCTS AND METHODS OF MANUFACTURE AND USE THEREFOR
(FR) MATÉRIAU POLYMÈRE BIODÉGRADABLE, PRODUITS BIODÉGRADABLES ET PROCÉDÉS DE FABRICATION ET D'UTILISATION S'Y RAPPORTANT
Abstract
(EN) The invention encompasses biodegradable compositions (e.g., biodegradable plastics) and methods of preparation and use thereof, and disposable products made from the claimed compositions. Raw materials for preparing the biodegradable plastic include one or more polymers, fiber, starch, a plasticizer, and a coupling agent. The biodegradable composition has the advantages of short degradation cycle, good mechanical properties, and a low manufacturing cost.
(FR) L'invention concerne des compositions biodégradables (par exemple, des matières plastiques biodégradables) et des procédés de préparation et d'utilisation de celles-ci et des produits jetables fabriqués à partir des compositions selon l'invention. Les matières premières pour la préparation de la matière plastique biodégradable comprennent un ou plusieurs polymères, des fibres, de l'amidon, un plastifiant et un agent de couplage. La composition biodégradable présente les avantages d'un cycle de dégradation court, de bonnes propriétés mécaniques et d'un faible coût de fabrication.
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