GB423444A - Improvements in the manufacture of plastic compositions containing organic sulphides - Google Patents
Improvements in the manufacture of plastic compositions containing organic sulphidesInfo
- Publication number
- GB423444A GB423444A GB2158033A GB2158033A GB423444A GB 423444 A GB423444 A GB 423444A GB 2158033 A GB2158033 A GB 2158033A GB 2158033 A GB2158033 A GB 2158033A GB 423444 A GB423444 A GB 423444A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polysulphide
- formaldehyde
- alkali
- compound
- plastics
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
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
Composite plastics are manufactured by reacting an alkaline solution of a polysulphide of an alkali or alkaline earth metal with such proportion of formaldehyde, or a compound thereof with an alkali hydrogen sulphite, as is also sufficient to react concurrently with a phenol, an amine or casein, or a mixture thereof, to produce a second constituent of different type in intimate admixture with the first constituent. The products may be used alone or with other plastics, e.g. in the preparation of rubber flooring, and may be added to rubber in order to render it resistant to oils or to increase its adhesiveness to rigid surfaces. In examples, formaldehyde is reacted with sodium polysulphide solution and phenol in the presence of ammonia. The Provisional Specification comprises also the reaction of formaldehyde, or a compound thereof with an alkali hydrogen sulphite, with a water-soluble polysulphide alone, and also with such a polysulphide and urea or thiourea. Additional examples describe the action of sodium polysulphide solution on formaldehyde and on its sodium bisulphite compound.ALSO:Indiarubber is rendered resistant to oils and its adhesiveness to rigid surfaces is increased by the addition of composite plastics prepared by reacting an alkaline solution of a polysulphide of an alkali or alkaline earth metal with such proportion of formaldehyde, or a compound thereof with an alkali p hydrogen sulphite, as is also sufficient to react concurrently with a phenol, an amine or casein, or a mixture thereof, to produce a second constituent of different type in intimate admixture with the first constituent. The plastics may be used alone or with other plastics, e.g. in the preparation of rubber flooring. According to the Provisional Specification there may also be used the reaction products of formaldehyde, or a compound thereof with an alkali hydrogen sulphite, with a water-soluble polysulphide alone, or with such a polysulphide and urea or thiourea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2158033A GB423444A (en) | 1933-08-01 | 1933-08-01 | Improvements in the manufacture of plastic compositions containing organic sulphides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2158033A GB423444A (en) | 1933-08-01 | 1933-08-01 | Improvements in the manufacture of plastic compositions containing organic sulphides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB423444A true GB423444A (en) | 1935-02-01 |
Family
ID=10165294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2158033A Expired GB423444A (en) | 1933-08-01 | 1933-08-01 | Improvements in the manufacture of plastic compositions containing organic sulphides |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB423444A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2514734A (en) * | 1945-01-19 | 1950-07-11 | Wagner Hans Paul | Manufacture of rubberlike materials |
| EP4393973A1 (en) | 2022-12-28 | 2024-07-03 | Prefere Resins Holding GmbH | Low emission phenolic resins |
-
1933
- 1933-08-01 GB GB2158033A patent/GB423444A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2514734A (en) * | 1945-01-19 | 1950-07-11 | Wagner Hans Paul | Manufacture of rubberlike materials |
| EP4393973A1 (en) | 2022-12-28 | 2024-07-03 | Prefere Resins Holding GmbH | Low emission phenolic resins |
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