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antioxidant stabiliser for polymers google patents

KR20160114165A - Antioxidant stabiliser for polymers ... Stabilizers for organic polymers include: a) poly (dicyclopentadien-co-p-cresol) (I); b) a sterically hindered phenol of formula (II); And c) alkylthiomethylphenols of formula III: Le

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KR20160114165A - Antioxidant stabiliser for polymers ...

Stabilizers for organic polymers include: a) poly (dicyclopentadien-co-p-cresol) (I); b) a sterically hindered phenol of formula (II); And c) alkylthiomethylphenols of formula III:

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EP3102632A1 - Antioxidant stabiliser for polymers - Google ...

European Patent Office Prior art keywords stabiliser antioxidant alkyl branched range Prior art date 2014-02-03 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number EP15704241.7A ...

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US10383547B2 - Antioxidant stabiliser for polymers ...

A stabilizer for an organic polymer comprising a) poly (dicyclopentadiene-co-p-cresol) (Formula 1); b) a sterically hindered phenol of Formula II; and c) an alkyl thio methyl phenol of Formula III; and d) and optionally a phosphate antioxidant.

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WO2015114131A1 - Antioxidant stabiliser ... - Google Patents

239000003963 antioxidant agents Substances 0.000 title claims description 53; 230000003078 antioxidant Effects 0.000 title claims description 41; 229920000642 polymers Polymers 0.000 title description 18-1 alkyl thio methyl phenol Chemical compound 0.000 claims abstract description 15

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WO2015114131A1 - Antioxidant stabiliser for polymers ...

WO2015114131A1 - Antioxidant stabiliser for polymers - Google Patents Antioxidant stabiliser for polymers Download PDF Info ... Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 2014-02-03 Filing date

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US Patent for Antioxidant stabiliser for polymers Patent ...

Justia Patents US Patent for Antioxidant stabiliser for polymers Patent (Patent # 10,383,547) Antioxidant stabiliser for polymers . Feb 2, 2015 - AQUASPERSIONS LTD. A stabilizer for an organic polymer comprising a) poly (dicyclopentadiene-co-p-cresol) (Formula 1); b) a sterically hindered phenol of Formula II; and c) an alkyl thio methyl phenol ...

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ANTIOXIDANT STABILISER FOR POLYMERS - Aquaspersions Ltd.

A stabiliser for an organic polymer mixture, comprising (b) Antioxidant 1076 (c) Antioxidant 1520. 11. A stabiliser as claimed in claim 10, wherein the ratio by weight of (b):(c) is in the range 4:1 to 1:1. 12. A stabiliser as claimed in claim 11, wherein the range is 3:1 to 1:1. 13. A stabiliser as claimed in claim 12, wherein the range is 2:1 ...

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ANTIOXIDANT STABILISER FOR POLYMERS

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Alan BEWSHER Inventions, Patents and Patent Applications ...

antioxidant stabiliser for polymers Publication number: 20180110443 Abstract: A stabiliser for an organic polymer comprising a) poly (dicyclopentadiene-co-p-cresol) (Formula 1); b) a sterically hindered phenol of Formula II; and c) an alkyl thio methyl phenol of Formula III; and d) and optionally a phosphate antioxidant.

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Selection of Light Stabilizers for Polymers - SpecialChem

Need for Light Stabilizers & UV Absorbers in Polymers The service life of polymers is limited by their degradation. Degradation can be caused by a number of environmental factors, e.g. temperature, humidity, impurities, mechanical load, irradiation, microorganisms, chemicals and air.

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ANTIOXIDANT STABILISER FOR POLYMERS

Complete Patent Searching Database and Patent Data Analytics Services. ANTIOXIDANT STABILISER FOR POLYMERS Login Sign up

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Alan BEWSHER Inventions, Patents and Patent Applications ...

antioxidant stabiliser for polymers Publication number: 20180110443 Abstract: A stabiliser for an organic polymer comprising a) poly (dicyclopentadiene-co-p-cresol) (Formula 1); b) a sterically hindered phenol of Formula II; and c) an alkyl thio methyl phenol of Formula III; and d) and optionally a phosphate antioxidant.

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Mechanisms of antioxidant action and stabilisation ...

Polymer Degradation and Stability 34 (1991) 1-36 Mechanisms of Antioxidant Action and Stabilisation Technology,. The Aston Experience Sahar A1-Malaika Polymer Processing and Performance Group, Chemical Engineering & Applied Chemistry, Aston University, Birmingham B4 7ET, UK ABSTRACT Mechanistic studies on autoxidation and the antioxidant action of stabilisers have contributed to the bridging ...

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Reactive antioxidants for polymers | SpringerLink

Abstract. The term ‘antioxidants’ is used here to refer to all chemical agents which act to protect organic polymer substrates primarily against the deleterious effects of molecular oxygen during manufacture and service and includes melt, thermal and photo-stabilisers which are used to inhibit polymer oxidation.

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Mechanistic action of phenolic antioxidants in polymers—A ...

Polymer Degradation and Stability 20 (1988) 181-202 Mechanistic Action of Phenolic Antioxidants in Polymers--A Review Jan Pospi~il Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, 162 06 Prague 6, Czechoslovakia (Received 2 September 1987; accepted 7 September 1987) ABSTRACT Hindered phenols are used as radical scavengers during fabrication, storage, processing and end ...

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US Patent Application for STABILISER COMBINATIONS FOR ...

Justia Patents At Least One Element Of The Lanthanide Series (atomic No.57-71) Or Contains A Noble Metal Atom (i.e., Au, Ag, Hg, Pt, Pd, Ir, Rh, Ru, Os)dnrm US Patent Application for STABILISER COMBINATIONS FOR HALOGENATED POLYMERS Patent Application (Application #20120208941)

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Mechanisms of antioxidant action: polymer-bound hindered ...

Polymer Degradation and Stability 40 (1993) 233-238 Mechanisms of antioxidant action: polymer- bound hindered amines by reactive processing, Part III Effect of reactive antioxidant structure* S. AI-Malaika,t G. Scott & B. Wirjosentono Department of Chemical Engineering and Applied Chemistry, Aston University, Birmingham, B4 7ET, UK (Received 29 October 1991; accepted 5 November 1991) Bis ...

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Secondary Antioxidant - an overview | ScienceDirect Topics

Secondary Antioxidant. Secondary AOs become cost effective when they can lower the required amount of more expensive primary AOs. And some high-performance, phosphite-based secondary AOs have even been shown to maintain a resin’s color and melt flow properties in PP when used as the sole processing stabilizer—without any primary phenolic AO in the formulation [1-1, 3-3, 3-4, 3-12][1-1][3-3 ...

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Selection of Light Stabilizers for Polymers - SpecialChem

Need for Light Stabilizers & UV Absorbers in Polymers The service life of polymers is limited by their degradation. Degradation can be caused by a number of environmental factors, e.g. temperature, humidity, impurities, mechanical load, irradiation, microorganisms, chemicals and air.

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US Patent Application for DEGRADABLE POLYMER AND METHOD OF ...

A degradable polymer composition comprising: (a) a polyolefin; (b) two or more transition metal compounds in a total amount of from 0.15 to 0.6 wt %, (c) a mono- or poly-unsaturated C14-C24 carboxylic acid, or an ester, anhydride or amide thereof, in an amount of from 0.04 to 0.08 wt %; (d) a synthetic rubber in an amount of from 0.04 to 0.2 wt %; and, optionally: (e) dry starch in an amount ...

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ANTIOXIDANT STABILISER FOR POLYMERS

Complete Patent Searching Database and Patent Data Analytics Services. ANTIOXIDANT STABILISER FOR POLYMERS Login Sign up

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Mechanistic action of phenolic antioxidants in polymers—A ...

Polymer Degradation and Stability 20 (1988) 181-202 Mechanistic Action of Phenolic Antioxidants in Polymers--A Review Jan Pospi~il Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, 162 06 Prague 6, Czechoslovakia (Received 2 September 1987; accepted 7 September 1987) ABSTRACT Hindered phenols are used as radical scavengers during fabrication, storage, processing and end ...

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Mechanisms of antioxidant action: polymer-bound hindered ...

Polymer Degradation and Stability 40 (1993) 233-238 Mechanisms of antioxidant action: polymer- bound hindered amines by reactive processing, Part III Effect of reactive antioxidant structure* S. AI-Malaika,t G. Scott & B. Wirjosentono Department of Chemical Engineering and Applied Chemistry, Aston University, Birmingham, B4 7ET, UK (Received 29 October 1991; accepted 5 November 1991) Bis ...

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Mechanisms of antioxidant action: Cupric stearate as a ...

Polymer Degradation and Stability 11 (1985) 1-7 Mechanisms of Antioxidant Action: Cupric Stearate as a Catalytic Antioxidant Rouha|la Bagheri, Khirud B. Chakraborty & Gerald Scott University of Aston in Birmingham, Gosta Green, Birmingham B4 7ET, Great Britain (Received: 21 February, 1984) ABSTRACT Cupric stearate is an ff~'ctive processing stabiliser jor polypropylene and is shown to act by a ...

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Secondary Antioxidant - an overview | ScienceDirect Topics

Secondary Antioxidant. Secondary AOs become cost effective when they can lower the required amount of more expensive primary AOs. And some high-performance, phosphite-based secondary AOs have even been shown to maintain a resin’s color and melt flow properties in PP when used as the sole processing stabilizer—without any primary phenolic AO in the formulation [1-1, 3-3, 3-4, 3-12][1-1][3-3 ...

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Selection of Light Stabilizers for Polymers - SpecialChem

Need for Light Stabilizers & UV Absorbers in Polymers The service life of polymers is limited by their degradation. Degradation can be caused by a number of environmental factors, e.g. temperature, humidity, impurities, mechanical load, irradiation, microorganisms, chemicals and air.

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Antioxidants | Free Full-Text | Patent Review (2017–2020 ...

Research on the antioxidant pathway comprising the transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) and its cytoplasmic inhibitor Kelch-like ECH-associated protein 1 (Keap1) is ever increasing. As modulators of this pathway have started to be used in clinical trials and clinical practice, Nrf2 has become the subject of several patents.

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An overview of chemical additives present in plastics ...

Antioxidants are embedded in various polymer resins to delay the overall oxidative degradation of plastics if/when exposed to ultraviolet (UV) light , , . The highly reactive free radicals that are generated by heat, radiation, and mechanical shear (often exacerbated by the presence of metallic impurities), cause the polymer to degrade.

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Google 的免费翻译服务可提供简体中文和另外 100 多种语言之间的互译功能,可让您即时翻译字词、短语和网页内容。请上传以下格式的文档:.doc、.docx、.odf、.pdf、.ppt、.pptx、.ps、.rtf、.txt、.xls 或 .xlsx

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US Patent Application for POLYMER COMPOSITION WITH HEAT ...

The invention relates to polymer compositions for the production of mouldings, in particular spectacles and eye-protection equipment, which comply with the provisions of EN 169 (welder protection standard) and EN 1836/2005 (signal light detection). The compositions and mouldings are in particular processable at temperatures above 265° C., recyclable and have a notched impact strength of at ...

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