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1. WO2016146729 - IMPACT MODIFIED STYRENIC POLYMERS WITH IMPROVED ENVIRONMENTAL STRESS CRACK RESISTANCE PROPERTIES

Publication Number WO/2016/146729
Publication Date 22.09.2016
International Application No. PCT/EP2016/055775
International Filing Date 17.03.2016
IPC
C08L 51/04 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
51Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
04grafted on to rubbers
C08L 53/02 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
53Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
02of vinyl aromatic monomers and conjugated dienes
C08L 23/20 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
18Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
20having four to nine carbon atoms
C08L 23/08 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
04Homopolymers or copolymers of ethene
08Copolymers of ethene
F25D 23/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
23General constructional features
06Walls
CPC
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 2207/066
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)
C08L 51/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
51Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds
04grafted on to rubbers
F25D 23/066
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
23General constructional features
06Walls
065Details
066Liners
Applicants
  • INEOS STYROLUTION GROUP GMBH [DE]/[DE]
Inventors
  • COCHRAN, Thomas W.
  • MORRIS, John A.
Agents
  • JACOBI, Markus
Priority Data
15159727.518.03.2015EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMPACT MODIFIED STYRENIC POLYMERS WITH IMPROVED ENVIRONMENTAL STRESS CRACK RESISTANCE PROPERTIES
(FR) POLYMÈRES STYRÉNIQUES À RÉSISTANCE AU CHOC MODIFIÉE AYANT DES PROPRIÉTÉS AMÉLIORÉES DE RÉSISTANCE À LA CRAQUELURE SOUS CONTRAINTE PROLONGÉE
Abstract
(EN)
Polymer blends comprising components A), B) and C): A) 80 to 96% by weight of an impact modified styrenic polymer A), B) 1 to 7% by weight of a polymer blend B) comprising B1) 25 to 75% by weight of polyisobutylene and B2) 25 to 75 % by weight of a polyolefin, C) 3 to 13% by weight of an elastomeric block copolymer C) of structure (A-(B/A))n-A, where A is a vinylaromatic block, (B/A) is a random copolymer block of vinylaromatic monomer and diene, and n is 1 to 10, exhibit improved environmental stress crack resistance properties in presence of hydrofluoro olefins.
(FR)
L'invention concerne des mélanges de polymères comprenant les constituants A), B) et C) : A) 80 à 96 % en poids d'un polymère styrénique à résistance au choc modifiée A), B) 1 à 7 % en poids d'un mélange B) de polymères comprenant B1) 25 à 75 % en poids de polyisobutylène et B2) 25 à 75 % en poids d'une polyoléfine, C) 3 à 13 % en poids d'un copolymère séquencé élastomère C) de structure (A-(B/A))n-A, A représentant une séquence vinylaromatique, (B/A) représentant une séquence de copolymère statistique de monomère vinylaromatique et de diène et n valant 1 à 10. Les mélanges de polymères selon l'invention présentent des propriétés améliorées de résistance à la craquelure sous contrainte prolongée en présence d'hydrofluorooléfines.
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