GB1339401A - Inhibiting premature vulcanization - Google Patents
Inhibiting premature vulcanizationInfo
- Publication number
- GB1339401A GB1339401A GB230172A GB230172A GB1339401A GB 1339401 A GB1339401 A GB 1339401A GB 230172 A GB230172 A GB 230172A GB 230172 A GB230172 A GB 230172A GB 1339401 A GB1339401 A GB 1339401A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkyl
- vulcanization
- hydrogen
- sulphur
- dimethylpyrimidine
- 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
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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
- C08K5/44—Sulfenamides
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)
Abstract
1339401 Inhibiting vulcanization MONSANTO CO 18 Jan 1972 [18 Jan 1971] 2301/72 Heading C3E [Also in Division C2] A vulcanizable rubber composition comprises sulphur or a sulphur-containing vulcanizing agent, a vulcanization accelerator which is a thiazole, dithiocarbamate, thiuram sulphide, aldehyde-amine or diaryl guanidine accelerator, and, in an amount effective to inhibit premature vulcanization of the composition, a pyrimidine sulphenamide of the formula wherein X and X 1 independently are hydrogen or C 1 to C 5 -alkyl, R is hydrogen, alkyl, aralkyl or cycloalkyl, R 1 is alkyl, aralkyl or cycloalkyl, or R and R 1 together with the nitrogen atom to which they are attached form a morpholino group, an alkyl substituted morpholino group or a group of formula wherein A and A 1 independently are hydrogen or C 1 to C 5 -alkyl and n is an integer of from 2 to 6. Examples are given of the vulcanization of natural rubber formulations containing sulphur, N-tert. butyl-2-benzothiazole sulphenamide and 2 - (tert.butylaminothio) - 4,6 - dimethylpyrimi - dine, 2-(cyclohexylaminothio)-4,6-dimethylpyrimidine or 2-(isopropylaminothio)-4,6-dimethylpyrimidine.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10756071A | 1971-01-18 | 1971-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1339401A true GB1339401A (en) | 1973-12-05 |
Family
ID=22317209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB230172A Expired GB1339401A (en) | 1971-01-18 | 1972-01-18 | Inhibiting premature vulcanization |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS544379B1 (en) |
| AU (1) | AU467516B2 (en) |
| CA (1) | CA985830A (en) |
| DE (1) | DE2201989C3 (en) |
| FR (1) | FR2122470A1 (en) |
| GB (1) | GB1339401A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2404121C (en) * | 2000-03-21 | 2009-10-06 | Flexsys America L.P. | Pyrimidine derivatives as hardness stabilizers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB795174A (en) * | 1954-10-13 | 1958-05-21 | Upjohn Co | Heterocyclic sulphonamides |
-
1972
- 1972-01-17 CA CA132,618A patent/CA985830A/en not_active Expired
- 1972-01-17 AU AU37977/72A patent/AU467516B2/en not_active Expired
- 1972-01-17 FR FR7201459A patent/FR2122470A1/fr not_active Withdrawn
- 1972-01-17 DE DE19722201989 patent/DE2201989C3/en not_active Expired
- 1972-01-17 JP JP628372A patent/JPS544379B1/ja active Pending
- 1972-01-18 GB GB230172A patent/GB1339401A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2201989C3 (en) | 1979-07-19 |
| DE2201989A1 (en) | 1972-08-10 |
| JPS544379B1 (en) | 1979-03-06 |
| AU467516B2 (en) | 1975-12-04 |
| AU3797772A (en) | 1973-07-19 |
| FR2122470A1 (en) | 1972-09-01 |
| DE2201989B2 (en) | 1978-11-23 |
| CA985830A (en) | 1976-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |