GB417481A - Improvements in or relating to the production of rubber articles from dispersions of or containing natural rubber latex - Google Patents
Improvements in or relating to the production of rubber articles from dispersions of or containing natural rubber latexInfo
- Publication number
- GB417481A GB417481A GB2091733A GB2091733A GB417481A GB 417481 A GB417481 A GB 417481A GB 2091733 A GB2091733 A GB 2091733A GB 2091733 A GB2091733 A GB 2091733A GB 417481 A GB417481 A GB 417481A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- articles
- natural rubber
- latex
- drying
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/02—Direct processing of dispersions, e.g. latex, to articles
-
- 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)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A method of modifying the properties of articles of or containing rubber produced directly from dispersions containing natural rubber latex in admixture with compounding or vulcanizing ingredients or both, comprises coating or treating the finished or unfinished articles with a thin, preferably very thin, film of substantially uncompounded natural rubber latex and coagulating this film. The film latex may be concentrated to about 20 per cent, compounded with fillers up to 5 per cent, and softened with oil, but should be substantially free from sulphur and hydroscopic substances. The film may be coagulated by drying at room temperatures or at temperatures up to 50 or 60 DEG C., or by liquid or vapour coagulants with subsequent drying. The article may be set, before application of the film, by drying or a coagulant. The film vulcanises by migration of sulphur or accelerator or both from the rubber of the article.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2091733A GB417481A (en) | 1933-07-25 | 1933-07-25 | Improvements in or relating to the production of rubber articles from dispersions of or containing natural rubber latex |
| FR774495D FR774495A (en) | 1933-07-25 | 1934-06-12 | Process for manufacturing rubber articles from dispersions based on natural latex |
| AT149189D AT149189B (en) | 1933-07-25 | 1934-07-06 | Process for the production of rubber products or the like. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2091733A GB417481A (en) | 1933-07-25 | 1933-07-25 | Improvements in or relating to the production of rubber articles from dispersions of or containing natural rubber latex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB417481A true GB417481A (en) | 1934-10-05 |
Family
ID=10153972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2091733A Expired GB417481A (en) | 1933-07-25 | 1933-07-25 | Improvements in or relating to the production of rubber articles from dispersions of or containing natural rubber latex |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT149189B (en) |
| FR (1) | FR774495A (en) |
| GB (1) | GB417481A (en) |
-
1933
- 1933-07-25 GB GB2091733A patent/GB417481A/en not_active Expired
-
1934
- 1934-06-12 FR FR774495D patent/FR774495A/en not_active Expired
- 1934-07-06 AT AT149189D patent/AT149189B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| AT149189B (en) | 1937-04-10 |
| FR774495A (en) | 1934-12-07 |
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