GB1228922A - - Google Patents

Info

Publication number
GB1228922A
GB1228922A GB1228922DA GB1228922A GB 1228922 A GB1228922 A GB 1228922A GB 1228922D A GB1228922D A GB 1228922DA GB 1228922 A GB1228922 A GB 1228922A
Authority
GB
United Kingdom
Prior art keywords
chlorine
polyethylene
aug
solvents
absence
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
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 filed Critical
Publication of GB1228922A publication Critical patent/GB1228922A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/18—Introducing halogen atoms or halogen-containing groups
    • C08F8/20—Halogenation

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

1,228,922. Chlorinating polyethlene. BADISCHE ANILIN- & SODA-FABRIK A.G. 28 Aug., 1968 [29 Aug., 1967], No. 41126/68. Heading C3P. Polyethylene is chlorinated by the action of chlorine in the absence of solvents or suspension agents by treating a finely particled low pressure polyethylene having a molecular weight within the range from 300,000 to 3,000,000 with a mixture of chlorine and oxygen. Preferably the chlorine and oxygen are in a volume ratio of 1: 1 to 1: 5. The polyethylene may have an average particle diameter of from 400 to 5000 microns and a specific surface area of 20 to 1000 cm.<SP>2</SP>/g. In the example a low pressure polyethylene which has been prepared in the absence of solvents using a catalyst containing chromium (VI) oxide is treated with a mixture of chlorine and air.
GB1228922D 1967-08-29 1968-08-28 Expired GB1228922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0094194 1967-08-29

Publications (1)

Publication Number Publication Date
GB1228922A true GB1228922A (en) 1971-04-21

Family

ID=6987406

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228922D Expired GB1228922A (en) 1967-08-29 1968-08-28

Country Status (5)

Country Link
AT (1) AT288016B (en)
BE (1) BE719944A (en)
DE (1) DE1720293A1 (en)
FR (1) FR1577837A (en)
GB (1) GB1228922A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011379A (en) * 1975-05-22 1977-03-08 The Dow Chemical Company Electrical insulation from lightly chlorinated, high bulk density olefin polymer
US4029862A (en) * 1975-06-25 1977-06-14 The Dow Chemical Company Olefin polymer chlorination products having improved handling properties and process for their preparation
US4197386A (en) 1977-02-16 1980-04-08 Stamicarbon, B.V. Process for chlorinating ethylene polymers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011379A (en) * 1975-05-22 1977-03-08 The Dow Chemical Company Electrical insulation from lightly chlorinated, high bulk density olefin polymer
US4029862A (en) * 1975-06-25 1977-06-14 The Dow Chemical Company Olefin polymer chlorination products having improved handling properties and process for their preparation
US4197386A (en) 1977-02-16 1980-04-08 Stamicarbon, B.V. Process for chlorinating ethylene polymers

Also Published As

Publication number Publication date
BE719944A (en) 1969-02-26
DE1720293A1 (en) 1971-06-09
AT288016B (en) 1971-02-25
FR1577837A (en) 1969-08-08

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees