EP1129132A1 - Melange de copolymere cyclo-olefine resistant a la fissuration due a la contrainte - Google Patents

Melange de copolymere cyclo-olefine resistant a la fissuration due a la contrainte

Info

Publication number
EP1129132A1
EP1129132A1 EP99953747A EP99953747A EP1129132A1 EP 1129132 A1 EP1129132 A1 EP 1129132A1 EP 99953747 A EP99953747 A EP 99953747A EP 99953747 A EP99953747 A EP 99953747A EP 1129132 A1 EP1129132 A1 EP 1129132A1
Authority
EP
European Patent Office
Prior art keywords
polymer composition
composition according
different
radical
copolymer
Prior art date
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.)
Withdrawn
Application number
EP99953747A
Other languages
German (de)
English (en)
Inventor
Alexandra Jacobs
Klaus Berger
Wilfried Hatke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ticona GmbH
Original Assignee
Ticona GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ticona GmbH filed Critical Ticona GmbH
Publication of EP1129132A1 publication Critical patent/EP1129132A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C08L23/0823—Copolymers of ethene with aliphatic cyclic olefins

Definitions

  • the present invention relates to a composition of cycloolefin copolymers (COC) and additives for improving the resistance to stress cracking.
  • COC cycloolefin copolymers
  • the polymer composition according to the invention is characterized by improved resistance to crack formation under stress in air and also in contact with stress-releasing media
  • a polymer composition which contains one or more cycloolefin copolymers and one or more additives of a suitable composition is distinguished by improved resistance to cracking under tension in air and in contact with media which release tension
  • the polymer composition according to the invention contains at least one cycloolefin copolymer which is produced by polymerization of 0.1 to 99.9% by weight, based on the total amount of the monomers, of at least one polycyclic olefin of the formula I, II, II ', III, IV or V
  • R 1 to R 8 are the same or different and represent a hydrogen atom or a hydrocarbon radical, where the same radicals in the different formulas can have a different meaning, 0 to 99 9% by weight based on the total amount of the monomers, at least one monocyclic olefin of formula VI
  • n is a number from 2 to 10 and 0.1 to 99.9% by weight, based on the total amount of the monomers ⁇ of at least one acyc 1 -olefin of the formula VII
  • R 9 to R 12 are the same or different and represent a hydrogen atom or a hydrocarbon radical, preferably a C 6 -C aro radical or a C 8 alkyl radical
  • Preferred cycloolefins of the formulas I or III are those in which R 1 to R 8 are identical or different and are a hydrogen atom or a hydrocarbon radical, in particular mean a (C 6 -C 0 ) aryl radical or a (dC 8 ) alkyl radical, the same radicals in the different formulas having different meanings
  • one or more m ⁇ nocyclic olefins of the formula VI are used for the polymerization
  • R 9 to R 12 are the same or different and denote a hydrogen atom or a hydrocarbon radical, preferably a C 6 -C 18 aryl radical or a d-Cs-alkyl radical, such as ethylene, propylene
  • copolymers of polycyclic olefins preferably of the formulas I and III, are produced with ethylene
  • Particularly preferred polycyclic olefins are norbomene and tetracyclododecene, which can be substituted by C 1 -C 6 -alkyl. They are preferably copolymerized with ethylene. Ethylene / norborene copolymers and ethylene / tetracyclododecene copolymers are very particularly preferred
  • the cycloolefin polymers are prepared by heterogeneous or homogeneous catalysis using organometallic compounds. Catalyst systems based on mixed catalysts composed of titanium salts and aluminum organyls are described in DD-A-109 224 and DD-A-237 070.
  • EP-A-156 464 describes the preparation using catalysts Vanadium-based EP-A-283 164, EP-A-407 870, EP-A-485 893 and EP-A-503 422 describe the production of cycloolefin polymers with catalysts based on soluble metallocene complexes.
  • the production processes described in these patents for the production of cyclo-olefin copolymers and catalyst systems used are hereby expressly incorporated by reference NOT FURNISHED UPON FILING
  • cycloolefin copolymers suitable for the purposes of the invention have
  • the cycloolefin copolymers suitable for the purposes of the invention have viscosity numbers (determined in decalin at 135 ° C.) between 10 and 200 ml / g, preferably between 20 and 120 ml / g, oeson ⁇ ers preferably between 40 and 100 ml / g
  • the polymer composition according to the invention also contains one or more additives of suitable composition, which can be selected from the following groups.
  • suitable composition which can be selected from the following groups.
  • Compounds based on higher fatty acids such as, for example, esters of epoxidized fatty acids or Ami ⁇ e, mono-, di-, T ⁇ glyze ⁇ de organic acids such as mono -, Di-, T ⁇ glyze ⁇ de of mono-fatty acids such as stearic acid, oils such as mineralols, paraffinols, silicone or white oils, waxes such as polyolefin waxes or montan waxes ammonium or metal salts, especially alkali metal salts of organic sulfonic acids such as various alkyl sulfonic acids or Arylalkylsulfonic acids of different chain lengths
  • alkali metal salt of an organic sulphonic acid is the product Hostastat HS1 from Cla ⁇ ant
  • examples of an ester of epoxidized fatty acids are the Vikoflex products from Elf Atochem
  • the additives are contained in the polymer composition according to the invention in proportions of 0.01 to 25% by weight, preference is given to proportions from 0.1 to 15% by weight, and proportions of 1 to 10% by weight are particularly preferred
  • the polymer composition containing at least one cycloolefin copolymer and at least one additive of suitable composition can be produced by customary methods, for example by mixing the solid or liquid additive with the plastic granules and subsequent kneading or extrusion of the plastic melt.
  • the components can be in the form of powders or granules are processed by joint extrusion from the melt into granules or chips, which can subsequently be converted into shaped structures, for example by pressing, extruding or injection molding, blow molding, etc.
  • the polymer composition according to the invention can also be produced via so-called masterbatches Additives in amounts of 20 to 80% by weight, based on the Total mass of the polymer alloy, mixed with one or more cycloolefin copolymers (preferably by common extrusion) and then brought to the desired final concentration by mixing again (preferably by common extrusion) with one or more cycloolefin copolymers.
  • masterbatches Additives in amounts of 20 to 80% by weight, based on the Total mass of the polymer alloy, mixed with one or more cycloolefin copolymers (preferably by common extrusion) and then brought to the desired final concentration by mixing again (preferably by common extrusion) with one or more cycloolefin copolymers. This method leads to good dispersion of the additives
  • the polymer composition according to the invention can contain further additives in conventional amounts, such as UV stabilizers, optical brighteners, antioxidants, lubricants, plasticizers, antistatic agents, heat stabilizers, coloring additives such as inorganic or organic pigments or dyes, flame retardants or reinforcing additives such as glass fibers, carbon fibers or high-modulus fibers such as polyaramides or liquid polyester or similar, they can also contain fillers such as inorganic materials, talc, titanium dioxide or the like
  • the polymer composition according to the invention is suitable for the production of injection molded, injection blown, extrusion blown or extruded molded articles.
  • Films and fibers can also be produced from the polymer composition according to the invention
  • the polymer composition according to the invention is suitable for a large number of applications in the packaging sector, in the field of medical technology, in the field of optical applications and in the technical and construction field
  • the polymer composition according to the invention has a high resistance to stress.
  • the polymer composition according to the invention is characterized by good flowability, which is particularly advantageous for injection molding applications.
  • the mechanical properties such as heat stability, elongation at break and notched impact strength, can be varied over a wide range, for example that diverse areas of application are accessible

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Artificial Filaments (AREA)

Abstract

L'invention concerne un mélange polymère contenant au moins un copolymère cyclo-oléfine et au moins un additif de composition appropriée. Ce mélange est caractérisé par une résistance améliorée contre la fissuration due à la contrainte de l'air et au contact avec des agents engendrant la fissuration due à la contrainte.
EP99953747A 1998-10-01 1999-10-01 Melange de copolymere cyclo-olefine resistant a la fissuration due a la contrainte Withdrawn EP1129132A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19845222 1998-10-01
DE19845222A DE19845222A1 (de) 1998-10-01 1998-10-01 Spannungsrißbeständige Cycloolefincopolymer-Komposition
PCT/EP1999/007276 WO2000020496A1 (fr) 1998-10-01 1999-10-01 Melange de copolymere cyclo-olefine resistant a la fissuration due a la contrainte

Publications (1)

Publication Number Publication Date
EP1129132A1 true EP1129132A1 (fr) 2001-09-05

Family

ID=7883053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99953747A Withdrawn EP1129132A1 (fr) 1998-10-01 1999-10-01 Melange de copolymere cyclo-olefine resistant a la fissuration due a la contrainte

Country Status (7)

Country Link
US (1) US6566475B1 (fr)
EP (1) EP1129132A1 (fr)
JP (1) JP2002526623A (fr)
AU (1) AU1033200A (fr)
CA (1) CA2345972A1 (fr)
DE (1) DE19845222A1 (fr)
WO (1) WO2000020496A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006006399A1 (fr) * 2004-07-09 2006-01-19 Mitsui Chemicals, Inc. Résine thermoplastique
DE102008002599A1 (de) 2008-06-24 2009-12-31 Evonik Degussa Gmbh Bauteil mit Deckschicht aus einer PA613-Formmasse
DE102011084269A1 (de) 2011-10-11 2013-04-11 Evonik Degussa Gmbh Verfahren zur Herstellung von Polymer-Nanopartikel-Compounds mittels einerNanopartikel-Dispersion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0647676B1 (fr) * 1993-10-06 1999-07-21 Ticona GmbH Copolymère de cyclo-oléfine modifié
JP3341954B2 (ja) * 1994-09-26 2002-11-05 三井化学株式会社 樹脂組成物

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0020496A1 *

Also Published As

Publication number Publication date
DE19845222A1 (de) 2000-04-06
JP2002526623A (ja) 2002-08-20
US6566475B1 (en) 2003-05-20
AU1033200A (en) 2000-04-26
CA2345972A1 (fr) 2000-04-13
WO2000020496A1 (fr) 2000-04-13

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