GB417563A - Improvements in or relating to the production of goods of or containing rubber - Google Patents
Improvements in or relating to the production of goods of or containing rubberInfo
- Publication number
- GB417563A GB417563A GB10560/34A GB1056034A GB417563A GB 417563 A GB417563 A GB 417563A GB 10560/34 A GB10560/34 A GB 10560/34A GB 1056034 A GB1056034 A GB 1056034A GB 417563 A GB417563 A GB 417563A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parts
- acid
- glycerol
- water
- rubber
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/14—Chemical modification with acids, their salts or anhydrides
-
- 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
- C08J2321/00—Characterised by the use of unspecified rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
A process for producing a flexible hardened finish on a rubber surface comprises superficially treating the surface with concentrated sulphuric acid alone or with a diluent, the concentrated acid being the major ingredient. The acid may have a concentration of 66 DEG B<\>ae. The diluent may be water, up to 25 per cent (by volume), or water-soluble organic liquids such as methyl, ethyl or isopropyl alcohol and polyhydric alcohols such as glycerol or ethylene glycol. Suitable mixtures are 20 parts of glycerol or ethylene glycol or 15 parts of glycerol &c. and 5 parts of water with 80 parts (by volume) of 66 DEG B<\>ae acid. The rubber article should not contain more than 3 parts of combined sulphur per 100 parts of rubber. The time of treatment is a few seconds up to 2 minutes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US417563XA | 1933-05-04 | 1933-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB417563A true GB417563A (en) | 1934-10-08 |
Family
ID=21918165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10560/34A Expired GB417563A (en) | 1933-05-04 | 1934-04-07 | Improvements in or relating to the production of goods of or containing rubber |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB417563A (en) |
-
1934
- 1934-04-07 GB GB10560/34A patent/GB417563A/en not_active Expired
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