CA2022312A1 - Tree resistant compositions - Google Patents

Tree resistant compositions

Info

Publication number
CA2022312A1
CA2022312A1 CA 2022312 CA2022312A CA2022312A1 CA 2022312 A1 CA2022312 A1 CA 2022312A1 CA 2022312 CA2022312 CA 2022312 CA 2022312 A CA2022312 A CA 2022312A CA 2022312 A1 CA2022312 A1 CA 2022312A1
Authority
CA
Canada
Prior art keywords
copolymer
comonomers
hydrocarbyl aluminum
ethylene
density
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.)
Granted
Application number
CA 2022312
Other languages
French (fr)
Other versions
CA2022312C (en
Inventor
Robert J. Turbett
Austin E. Barnabeo
Eric P. Marsden
Alfred Mendelsohn
Jeffrey D. Umpleby
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
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 Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Priority to CA 2022312 priority Critical patent/CA2022312C/en
Publication of CA2022312A1 publication Critical patent/CA2022312A1/en
Application granted granted Critical
Publication of CA2022312C publication Critical patent/CA2022312C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

A water tree resistant composition comprising:
(a) a copolymer of at least the two comonomers, ethylene and 4-methyl-1-pentene, said copolymer having a density no greater than about 0.920 gram per cubic centimeter; or (b) a copolymer of at least the two comonomers, ethylene and 1-octene, said copolymer having a density no greater than about 0.920 gram per cubic centimeter; or (c) the copolymer of (a) or (b) grafted with a hydrolyzable vinyl silane, the copolymers of (a) and (b) being produced by contacting the relevant comonomers, under polymerization conditions, with (i) a catalyst system containing a catalyst precursor comprising magnesium, titanium, a halogen, and an electron donor, and a hydrocarbyl aluminum cocatalyst or (ii) a catalyst system containing a catalyst precursor comprising vanadium an electron donor, and a hydrocarbyl aluminum halide; a hydrocarbyl aluminum cocatalyst; and a halogen substituted lower alkane promoter.
CA 2022312 1989-07-26 1990-07-25 Tree resistant compositions Expired - Fee Related CA2022312C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2022312 CA2022312C (en) 1989-07-26 1990-07-25 Tree resistant compositions

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38570289A 1989-07-26 1989-07-26
US7-385,702 1989-07-26
CA 2022312 CA2022312C (en) 1989-07-26 1990-07-25 Tree resistant compositions

Publications (2)

Publication Number Publication Date
CA2022312A1 true CA2022312A1 (en) 1991-01-27
CA2022312C CA2022312C (en) 2001-05-01

Family

ID=25674242

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2022312 Expired - Fee Related CA2022312C (en) 1989-07-26 1990-07-25 Tree resistant compositions

Country Status (1)

Country Link
CA (1) CA2022312C (en)

Also Published As

Publication number Publication date
CA2022312C (en) 2001-05-01

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