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GB1282410A - Radiation process - Google Patents

Radiation process

Info

Publication number
GB1282410A
GB1282410A GB21277/71A GB2127771A GB1282410A GB 1282410 A GB1282410 A GB 1282410A GB 21277/71 A GB21277/71 A GB 21277/71A GB 2127771 A GB2127771 A GB 2127771A GB 1282410 A GB1282410 A GB 1282410A
Authority
GB
United Kingdom
Prior art keywords
radiation process
radiation
megarads
plastomer
heading
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
GB21277/71A
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.)
PLASTOMER CORP
Original Assignee
PLASTOMER CORP
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 PLASTOMER CORP filed Critical PLASTOMER CORP
Publication of GB1282410A publication Critical patent/GB1282410A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • 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
    • C08F8/50—Partial depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cephalosporin Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

1282410 Irradiating P.T.F.E. PLASTOMER CORP 19 April 1971 [22 May 1970] 21277/71 Heading C3P The degradation of P.T.F.E. is effected by exposure to 5-25 megarads of radiation, the temperature of the P.T.F.E. remaining below 250‹ F.
GB21277/71A 1970-05-22 1971-04-19 Radiation process Expired GB1282410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3989470A 1970-05-22 1970-05-22

Publications (1)

Publication Number Publication Date
GB1282410A true GB1282410A (en) 1972-07-19

Family

ID=21907917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21277/71A Expired GB1282410A (en) 1970-05-22 1971-04-19 Radiation process

Country Status (4)

Country Link
CA (1) CA941331A (en)
DE (1) DE2109082A1 (en)
FR (1) FR2091707A5 (en)
GB (1) GB1282410A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263256A (en) * 1992-04-17 1993-11-23 The Gillette Company Method of treating razor blade cutting edges
US6228428B1 (en) 1991-10-28 2001-05-08 The Gillette Company Coating cutting edges with fluorocarbon polymers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6228428B1 (en) 1991-10-28 2001-05-08 The Gillette Company Coating cutting edges with fluorocarbon polymers
US5263256A (en) * 1992-04-17 1993-11-23 The Gillette Company Method of treating razor blade cutting edges

Also Published As

Publication number Publication date
CA941331A (en) 1974-02-05
FR2091707A5 (en) 1972-01-14
DE2109082A1 (en) 1971-12-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee