ES353307A1 - Olefin polymer stabilization - Google Patents

Olefin polymer stabilization

Info

Publication number
ES353307A1
ES353307A1 ES353307A ES353307A ES353307A1 ES 353307 A1 ES353307 A1 ES 353307A1 ES 353307 A ES353307 A ES 353307A ES 353307 A ES353307 A ES 353307A ES 353307 A1 ES353307 A1 ES 353307A1
Authority
ES
Spain
Prior art keywords
polymer
polyethylene
nano
nahso
blended
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.)
Expired
Application number
ES353307A
Other languages
Spanish (es)
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of ES353307A1 publication Critical patent/ES353307A1/en
Expired 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/28—Nitrogen-containing compounds

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)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

An olefin polymer is stabilized against melt index or melt flow decrease by incorporating in the polymer from 0À005 to 0À3% by weight, based on the total weight of polymer and stabilizer, of one or more alkate metal nitrites. The polymer is e.g. a homopolymer of a C 2 to C 8 -l-olefin or a copolymer of two or more such olefins. One or more alkali metal bisulphites may also be incorporated in the polymer. In Example I polyethylene is blended with NaNO 2 or KNO 2 , NaHSO 3 (optional), 2,6-ditert-butyl-4-methylphenol and dilaurylthiodipropionate. NaNO 2 only is incorporated in polyethylene in Example II. In Examples III and IV NaNO 2 and NaHSO 2 are both added to polyethylene. The stabilized high density polyethylene produced in the last example in blended with a low density polyethylene.
ES353307A 1967-05-19 1969-04-29 Olefin polymer stabilization Expired ES353307A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63963667A 1967-05-19 1967-05-19

Publications (1)

Publication Number Publication Date
ES353307A1 true ES353307A1 (en) 1970-02-01

Family

ID=24564938

Family Applications (1)

Application Number Title Priority Date Filing Date
ES353307A Expired ES353307A1 (en) 1967-05-19 1969-04-29 Olefin polymer stabilization

Country Status (5)

Country Link
BE (1) BE715308A (en)
DE (1) DE1769361C3 (en)
ES (1) ES353307A1 (en)
FR (1) FR1583557A (en)
GB (1) GB1215645A (en)

Also Published As

Publication number Publication date
FR1583557A (en) 1969-11-14
DE1769361A1 (en) 1970-10-22
BE715308A (en) 1968-11-18
DE1769361C3 (en) 1974-04-18
DE1769361B2 (en) 1973-08-16
GB1215645A (en) 1970-12-16

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