GB1147617A – Preparation of sulfur containing polymers
– Google Patents
GB1147617A – Preparation of sulfur containing polymers
– Google Patents
Preparation of sulfur containing polymers
Info
Publication number
GB1147617A
GB1147617A
GB8023/67A
GB802367A
GB1147617A
GB 1147617 A
GB1147617 A
GB 1147617A
GB 8023/67 A
GB8023/67 A
GB 8023/67A
GB 802367 A
GB802367 A
GB 802367A
GB 1147617 A
GB1147617 A
GB 1147617A
Authority
GB
United Kingdom
Prior art keywords
sulphide
alkylene
episulphide
thioglycidyl
active hydrogen
Prior art date
1966-02-21
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
GB8023/67A
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.)
ATK Launch Systems LLC
Original Assignee
Thiokol 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.)
1966-02-21
Filing date
1967-02-20
Publication date
1969-04-02
1967-02-20
Application filed by Thiokol Corp
filed
Critical
Thiokol Corp
1969-04-02
Publication of GB1147617A
publication
Critical
patent/GB1147617A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
Abstract
1,147,617. Alkylene sulphide polymers. THIOKOL CHEMICAL CORP. 20 Feb., 1967 [21 Feb., 1966], No. 8023/67. Heading C3R. The invention comprises the preparation of alkylene sulphide polymers by the catalytic polymerization of an alkylene sulphide in the presence of as a molecular weight controlling agent at least one compound containing active hydrogen in the form of OH, SH, NH 2 , NH, CONH 2 or COOH in addition to any such compound used in forming the catalyst. Suitable agents are water, hydrogen sulphide, mono and dihydric alcohols, amines, amides, mercaptans, mercapto-ethanol and carboxylic acids. They may be used in amounts of 0À005 to 10 per cent by weight of monomer. The monomer may consist of one or more alkylene sulphides or a mixture thereof with minor amounts of other copolymerizable monomers e.g. olefins, conjugated and unconjugated dienes, vinyl derivates (acrylates &c.), alkylene oxides and imines and certain aldehydes and ethers. Specified alkylene sulphides are:-ethylene, propylene, 1-2-butylene, 2,3-butylene, isobutylene, cyclohexene, vinyl cyclohexane episulphide; vinyl cyclohexene episulphide, styrene sulphide, paramethyl styrene episulphide, butadiene mono episulphide, 2-benzyl thiirane; 1,2-epoxy 3,4-epithiobutane, allyl thioglycidyl ether, thioglycidyl acrylates and thioglycidyl alkacrylates. The preferred catalysts are based on Group II B metals, particularly reaction products of R 2 M, where R is an alkyl or aryl group and M is either zinc, cadmium or mercury, with active hydrogen compounds as well as elemental oxygen or sulphur, carbonyl sulphide and carbon disulphide. The reaction may be effected in the vapour phase, in bulk or in an inert solvent e.g. containing no active hydrogen, suitable temperatures being 20 to 120 C. In the examples given the Molecular Weights are indicated by melt index data, determined on polymers stabilized with a mixture of (H 2 NCH 2 CH 2 NHCH 2 C 6 H 4 ) 2 O or (HOCH 2 CH 2 NHCH 2 CH 2 ) 2 NH with zinc oxide or partially hydrolysed zinc chloride.
GB8023/67A
1966-02-21
1967-02-20
Preparation of sulfur containing polymers
Expired
GB1147617A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US52882366A
1966-02-21
1966-02-21
Publications (1)
Publication Number
Publication Date
GB1147617A
true
GB1147617A
(en)
1969-04-02
Family
ID=24107335
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB8023/67A
Expired
GB1147617A
(en)
1966-02-21
1967-02-20
Preparation of sulfur containing polymers
Country Status (5)
Country
Link
US
(1)
US3448091A
(en)
DE
(1)
DE1645510C3
(en)
FR
(1)
FR1511892A
(en)
GB
(1)
GB1147617A
(en)
NL
(1)
NL6701883A
(en)
Families Citing this family (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CA992105A
(en)
*
1970-03-26
1976-06-29
Exxon Research And Engineering Company
Polythioethers formed by anionic ring opening of episulfides
Family Cites Families (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3317919A
(en)
*
1962-12-14
1967-05-02
Mobil Oil Corp
Catalytic polymerization of ethylene sulfide
US3300454A
(en)
*
1963-04-01
1967-01-24
Thiokol Chemical Corp
Catalytic oxide process
US3324051A
(en)
*
1963-12-13
1967-06-06
Goodyear Tire & Rubber
Polymerization of epoxides and episulfides
US3317920A
(en)
*
1963-12-18
1967-05-02
Mobil Oil Corp
Copolymerization of alkylene sufides
US3317489A
(en)
*
1964-03-03
1967-05-02
Mobil Oil Corp
Method for polymerizing thiiranes
US3329659A
(en)
*
1964-03-09
1967-07-04
Thiokol Chemical Corp
Isobutylene sulfide polymers
GB1109164A
(en)
*
1964-06-30
1968-04-10
Dunlop Co Ltd
Polymerisation of episulphides
US3335116A
(en)
*
1964-09-11
1967-08-08
Thiokol Chemical Corp
Reaction products of alkylene imines and alkylene vicinal episulfides, and process therefor
1966
1966-02-21
US
US528823A
patent/US3448091A/en
not_active
Expired – Lifetime
1967
1967-02-08
NL
NL6701883A
patent/NL6701883A/xx
unknown
1967-02-10
DE
DE1645510A
patent/DE1645510C3/en
not_active
Expired
1967-02-17
FR
FR95415A
patent/FR1511892A/en
not_active
Expired
1967-02-20
GB
GB8023/67A
patent/GB1147617A/en
not_active
Expired
Also Published As
Publication number
Publication date
DE1645510B2
(en)
1975-01-30
NL6701883A
(en)
1967-08-22
DE1645510C3
(en)
1975-09-18
US3448091A
(en)
1969-06-03
DE1645510A1
(en)
1971-01-07
FR1511892A
(en)
1968-02-02
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