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1. WO2001062840 - SYNERGISTIC STABILIZER COMPOSITIONS FOR THERMOPLASTIC POLYMERS IN PROLONGED CONTACT WITH WATER

Publication Number WO/2001/062840
Publication Date 30.08.2001
International Application No. PCT/IB2001/000245
International Filing Date 21.02.2001
Chapter 2 Demand Filed 06.09.2001
IPC
C08K 5/00 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
5Use of organic ingredients
C08K 5/13 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
13Phenols; Phenolates
C08K 5/34 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
34Heterocyclic compounds having nitrogen in the ring
C08K 5/353 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
34Heterocyclic compounds having nitrogen in the ring
35having also oxygen in the ring
353Five-membered rings
CPC
C08K 5/005
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
0008Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
005Stabilisers against oxidation, heat, light, ozone
C08K 5/13
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
13Phenols; Phenolates
C08K 5/34
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
34Heterocyclic compounds having nitrogen in the ring
C08K 5/353
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
34Heterocyclic compounds having nitrogen in the ring
35having also oxygen in the ring
353Five-membered rings
Applicants
  • CLARIANT INTERNATIONAL LTD [CH]/[CH] (JP)
  • CLARIANT FINANCE (BVI) LIMITED (AT, AU, BE, BR, CA, CH, CY, DE, DK, ES, FI, FR, GB, HU, KR, LU, MX, PT, SE, TR, ZA)
  • KOCH, Harald [DE]/[DE] (UsOnly)
  • LICHTBLAU, Alexander [DE]/[DE] (UsOnly)
  • ZÄH, Matthias [DE]/[DE] (UsOnly)
  • KRÖHNKE, Christoph [DE]/[DE] (UsOnly)
Inventors
  • KOCH, Harald
  • LICHTBLAU, Alexander
  • ZÄH, Matthias
  • KRÖHNKE, Christoph
Agents
  • D'HAEMER, Jan
Priority Data
0004436.225.02.2000GB
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SYNERGISTIC STABILIZER COMPOSITIONS FOR THERMOPLASTIC POLYMERS IN PROLONGED CONTACT WITH WATER
(FR) COMPOSITIONS STABILISANTES SYNERGIQUES POUR POLYMERES THERMOPLASTIQUES EN CONTACT PROLONGE AVEC L'EAU
Abstract
(EN) The invention relates to synergistic stabilizer compositions comprising Hindered Amine Stabilizers (HAS), phenolic antioxidants, and, if appropriate, UV-absorbers, for thermoplastic polymers, especially for polyolefin pipes and other polyolefin molding materials, which are in prolonged contact with water. These mixtures show superior long term performance as measured by standard test methods such as oxidation induction time (OIT).
(FR) La présente invention concerne des compositions stabilisantes synergiques renfermant des stabilisants à amine encombrée, des antioxydants phénoliques et, le cas échéant, des absorbeurs d'UV, destinées à des polymères thermoplastiques, en particulier à des canalisations en polyoléfine et autres matières de moulage polyoléfiniques, qui sont en contact prolongé avec l'eau. Les mélanges de l'invention présentent des performances à long terme supérieures telles que mesurées selon les méthodes d'essai normalisées, comme par exemple le temps d'induction à l'oxydation.
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