GB1193335A - Polymerization of Episulphides - Google Patents

Polymerization of Episulphides

Info

Publication number
GB1193335A
GB1193335A GB3815367A GB3815367A GB1193335A GB 1193335 A GB1193335 A GB 1193335A GB 3815367 A GB3815367 A GB 3815367A GB 3815367 A GB3815367 A GB 3815367A GB 1193335 A GB1193335 A GB 1193335A
Authority
GB
United Kingdom
Prior art keywords
episulphides
nhme
nch
nme
nhch
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
GB3815367A
Inventor
Reginald Trevor Wragg
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.)
Dunlop Co Ltd
Original Assignee
Dunlop Co Ltd
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 Dunlop Co Ltd filed Critical Dunlop Co Ltd
Priority to GB3815367A priority Critical patent/GB1193335A/en
Priority to NL6811537A priority patent/NL6811537A/xx
Priority to FR1576960D priority patent/FR1576960A/fr
Publication of GB1193335A publication Critical patent/GB1193335A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/02—Polythioethers
    • C08G75/06—Polythioethers from cyclic thioethers
    • C08G75/08—Polythioethers from cyclic thioethers from thiiranes

Landscapes

  • 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

1,193,335. Polymerizing episulphides. DUNLOP CO. Ltd. 10 July, 1968 [18 Aug., 1967], No. 38153/67. Heading C3R. A catalyst for the polymerization of episulphides comprises a polyamine in which the amino groups are linked by a divalent organic radical and in which at least one amino nitrogen atom has an appendant alkyl, cycloalkyl, aralkyl or aryl group or forms part of a ring with another amino nitrogen atom. The divalent organic group is preferably an aliphatic hydrocarbon group but may be aromatic or aliphatic-aromatic. It may be substituted, e.g. by ether or imino groups. Specified catalysts are Me 2 NCH 2 CH 2 NHMe; MeNHCH 2 CH 2 NHMe; Me 2 NC(NH)NMe 2 (tetramethyl guanidine) ; Me 2 NCH 2 CH 2 NHCH 2 CH 2 NHMe; Me 2 NCH 2 - CH 2 NMe 2 ; Me 2 NCH 2 CH 2 NH(C 6 CH 4 )O(C 6 H 4 )NHCH 2 CH 2 NHMe; N-methyl piperazine; and 1,4- diazobicyclo-(2.2.2)-octane. Examples of episulphides include the alkylene sulphides, unsaturated episulphides and di-episulphides. Polyethylene sulphides are obtained having molecular weights up to 2À5 x 10<SP>6</SP>.
GB3815367A 1967-08-18 1967-08-18 Polymerization of Episulphides Expired GB1193335A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3815367A GB1193335A (en) 1967-08-18 1967-08-18 Polymerization of Episulphides
NL6811537A NL6811537A (en) 1967-08-18 1968-08-14
FR1576960D FR1576960A (en) 1967-08-18 1968-08-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3815367A GB1193335A (en) 1967-08-18 1967-08-18 Polymerization of Episulphides

Publications (1)

Publication Number Publication Date
GB1193335A true GB1193335A (en) 1970-05-28

Family

ID=10401572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3815367A Expired GB1193335A (en) 1967-08-18 1967-08-18 Polymerization of Episulphides

Country Status (3)

Country Link
FR (1) FR1576960A (en)
GB (1) GB1193335A (en)
NL (1) NL6811537A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4108705A4 (en) * 2020-02-19 2024-04-17 Daicel Corp Method for producing polythioether compound

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4108705A4 (en) * 2020-02-19 2024-04-17 Daicel Corp Method for producing polythioether compound

Also Published As

Publication number Publication date
NL6811537A (en) 1969-02-20
FR1576960A (en) 1969-08-01

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Legal Events

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