GB1263784A - Process for the production of mixtures of a synthetic rubber-like elastomer and a wet-precipitated silica filler - Google Patents
Process for the production of mixtures of a synthetic rubber-like elastomer and a wet-precipitated silica fillerInfo
- Publication number
- GB1263784A GB1263784A GB24806/69A GB2480669A GB1263784A GB 1263784 A GB1263784 A GB 1263784A GB 24806/69 A GB24806/69 A GB 24806/69A GB 2480669 A GB2480669 A GB 2480669A GB 1263784 A GB1263784 A GB 1263784A
- Authority
- GB
- United Kingdom
- Prior art keywords
- synthetic rubber
- silica
- wet
- mixtures
- copolymer
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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
1,263,784. Synthetic rubbers. KONINKLIJKE ZWAVELZUURFABRIEKEN V/H KETJEN N.V. 15 May, 1969, No. 24806/69. Heading C3P. Synthetic rubber vulcanizates are prepared by mixing a vulcanizable synthetic rubber polymer or copolymer having a Mooney viscosity below 100 or a vulcanizable ethylene/ propylene/diene-monomer copolymer with a reinforcing, finely-divided, wet-precipitated spray dried silica and a vulcanizing agent and vulcanizing the mixture. The synthetic rubber may be a butadiene polymer, a styrene/butadiene copolymer or a mixture thereof. The silica is preferably obtained by spray-drying an aqueous suspension of freshly prepared, wetprecipitated silica containing 1-20 wt. per cent of SiO 2 in a direct-current type spray drier at an inlet temperature of 300-600‹ C. and an outlet temperature of 100-140‹ C., the proportion of the amount of silica suspension to the amount of hot drying gases fed to the spraydrier being such that a dry product having a loss on ignition of about 10 wt. per cent and an average agglomerate size of 20-150 microns is obtained. The mixtures may also contain active zinc oxide, stearic acid, triethanolamine, mercaptobenzothiazole, tetramethylthiuramdisulphide, sulphur, diphenylguanidine and known tackifiers and softeners, such as petroleum distillates.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691924707 DE1924707A1 (en) | 1969-05-14 | 1969-05-14 | Process for the production of mixtures of synthetic rubber or a synthetic rubber-like elastomer and silica |
GB24806/69A GB1263784A (en) | 1969-05-14 | 1969-05-15 | Process for the production of mixtures of a synthetic rubber-like elastomer and a wet-precipitated silica filler |
FR6915994A FR2041655A5 (en) | 1969-05-14 | 1969-05-16 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691924707 DE1924707A1 (en) | 1969-05-14 | 1969-05-14 | Process for the production of mixtures of synthetic rubber or a synthetic rubber-like elastomer and silica |
GB24806/69A GB1263784A (en) | 1969-05-14 | 1969-05-15 | Process for the production of mixtures of a synthetic rubber-like elastomer and a wet-precipitated silica filler |
FR6915994A FR2041655A5 (en) | 1969-05-14 | 1969-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1263784A true GB1263784A (en) | 1972-02-16 |
Family
ID=27181930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB24806/69A Expired GB1263784A (en) | 1969-05-14 | 1969-05-15 | Process for the production of mixtures of a synthetic rubber-like elastomer and a wet-precipitated silica filler |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1924707A1 (en) |
FR (1) | FR2041655A5 (en) |
GB (1) | GB1263784A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1278238B (en) * | 1965-11-12 | 1968-09-19 | Regula Werk King K G | Swivel device with plug-in socket for a flash cube |
JPS448849Y1 (en) * | 1966-05-31 | 1969-04-10 | ||
FR2589871B1 (en) * | 1985-09-13 | 1987-12-11 | Rhone Poulenc Chim Base | REINFORCING FILLER FOR SILICA-BASED ELASTOMER |
-
1969
- 1969-05-14 DE DE19691924707 patent/DE1924707A1/en active Pending
- 1969-05-15 GB GB24806/69A patent/GB1263784A/en not_active Expired
- 1969-05-16 FR FR6915994A patent/FR2041655A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1924707A1 (en) | 1970-11-19 |
FR2041655A5 (en) | 1971-01-29 |
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