Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020221739 - POLYPROPYLENE-POLYETHYLENE COMPOSITION WITH IMPROVED TOUGHNESS

Publication Number WO/2020/221739
Publication Date 05.11.2020
International Application No. PCT/EP2020/061750
International Filing Date 28.04.2020
IPC
C08F 2/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
2Processes of polymerisation
C08L 23/12 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
10Homopolymers or copolymers of propene
12Polypropene
CPC
C08F 2/001
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
2Processes of polymerisation
001Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
C08F 210/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
210Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
04Monomers containing three or four carbon atoms
06Propene
C08L 2205/035
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2205Polymer mixtures characterised by other features
03containing three or more polymers in a blend
035containing four or more polymers in a blend
C08L 2207/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2207Properties characterising the ingredient of the composition
02Heterophasic composition
C08L 2207/062
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2207Properties characterising the ingredient of the composition
06Properties of polyethylene
062HDPE
C08L 2207/066
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2207Properties characterising the ingredient of the composition
06Properties of polyethylene
066LDPE (radical process)
Applicants
  • BOREALIS AG [AT]/[AT]
Inventors
  • WANG, Jingbo
  • GAHLEITNER, Markus
  • BERNREITNER, Klaus
  • BRAUN, Hermann
Agents
  • MAIKOWSKI & NINNEMANN
Priority Data
19171937.630.04.2019EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POLYPROPYLENE-POLYETHYLENE COMPOSITION WITH IMPROVED TOUGHNESS
(FR) COMPOSITION DE POLYPROPYLÈNE-POLYÉTHYLÈNE À TÉNACITÉ AMÉLIORÉE
Abstract
(EN)
The present invention relates to a polymer composition comprising at least the following components A) 40 to 94 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) 50 to 95 wt.-% of polypropylene; a2) 5 to 50 wt.-% of polyethylene; C) 3 to 30 wt.-% based on the overall weight of the polymer composition of a compatibilizer being a copolymer of propylene and 1-hexene, comprising b1) 30 to 70 wt.-% of a first random copolymer of propylene and 1-hexene; and b2) 30 to 70 wt.-% of a second random copolymer of propylene and 1-hexene having a higher 1-hexene content than the first random propylene copolymer b1); 3 to 30 wt.-% of a modifier selected from the group consisting of plastomers, heterophasic polypropylene copolymers different from component B) and mixtures thereof; with the provisos that the weight proportions of components a1) and a2) add up to 100 wt.-%; the weight proportions of components b1) and b2) add up to 100 wt.-%; the weight proportions of components A), B) and C) add up to 100 wt.-%; component A) has a MFR2 (230°C, 2.16 kg) determined according to ISO 1133 in the range from 1.0 to 0.0 g/10 min;and component B) has a 1-hexenecontentin the range from 2.0 to 8.0wt.-%. The present invention further relates to a process for manufacturing the polymer composition, to the use of components B) and C) as a compatibilizer for polymer blends A) and to articles comprising the polymer composition according to the invention.
(FR)
La présente invention se rapporte à une composition de polymères comprenant au moins les composants suivants : A) 40 à 94 % en poids par rapport au poids total de la composition de polymères d'un mélange de polymères, comprenant a1) 50 à 95 % en poids de polypropylène ; et a2) 5 à 50 % en poids de polyéthylène ; B) 3 à 30 % en poids par rapport au poids total de la composition de polymères d'un agent compatibilisant qui est un copolymère de propylène et d'hex-1-ène, comprenant b1) 30 à 70 % en poids d'un premier copolymère statistique de propylène et d'hex-1-ène ; et b2) 30 à 70 % en poids d'un second copolymère statistique de propylène et d'hex-1-ène ayant une teneur en hex-1-ène supérieure à celle du premier copolymère statistique de propylène b1) ; et C) 3 à 30 % en poids d'un modificateur choisi dans le groupe constitué par les plastomères, les copolymères de polypropylène hétérophasiques différents du composant B) et leurs mélanges ; à condition que les proportions en poids des composants a1) et a2) totalisent 100 % en poids ; que les proportions en poids des composants b1) et b2) totalisent 100 % en poids ; que les proportions en poids des composants A), B) et C) totalisent 100 % en poids ; que le composant A) ait un MFR2 (à 230 °C, sous 2,16 kg) déterminé selon la norme ISO 1133 dans la plage de 1,0 à 0,0 g/10 min ; et que le composant B) ait une teneur en hex-1-ène dans la plage de 2,0 à 8,0 % en poids. La présente invention se rapporte en outre à un procédé pour la fabrication de la composition de polymères, à l'utilisation de composants B) et C) en tant qu'agent compatibilisant pour des mélanges de polymères A) et à des articles comprenant la composition de polymères selon l'invention.
Latest bibliographic data on file with the International Bureau