GB578019A - Improvement in cyclised rubbers - Google Patents
Improvement in cyclised rubbersInfo
- Publication number
- GB578019A GB578019A GB5649/43A GB564943A GB578019A GB 578019 A GB578019 A GB 578019A GB 5649/43 A GB5649/43 A GB 5649/43A GB 564943 A GB564943 A GB 564943A GB 578019 A GB578019 A GB 578019A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phenylene
- rubber
- isocyanates
- isocyanate
- cyclised
- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Di-isocyanates for use as modifiers for cyclised rubber are prepared by passing hydrogen chloride through a solution of the corresponding diamine in an organic solvent, passing phosgene into the suspension of amine hydrochloride formed and then refluxing the product. Specified di-isocyanates are methylene di-(p-phenylene iso-cyanate), ethylene di-(oxytrimethylene isocyanate), and the di-isocyanates of hexamethylene, p- and m-phenylene, diphenylene, toluylene, dimethyl phenylene, naphthalene, dioxane, and of the glycol and dipropyl ethers.ALSO:Cyclised rubbers are modified for use as adhesives, paints, and moulding and coating compositions by the addition of an organic diisocyanate such as methylene di-(p-phenylene isocyanate), ethylene di-(oxytrimethylene isocyanate), the di-isocyanates of hexamethylene, p- and m-phenylene, diphenylene, toluylene, dimethyl phenylene, naphthalene, dioxane, glycol ethers or dipropyl ethers. The diisocyanates may be prepared by passing hydrogen chloride through a solution of the corresponding diamine in an organic solvent, passing phosgene into the suspension of amine hydrochloride formed and then refluxing the product. Suitable cyclised rubbers are those prepared by treating rubber with tin tetrachloride, boron fluoride, halides of amphoteric metals such as ferric chloride, chlorstannic, sulphonic, chlorsulphonic and hydrofluoric acids, or with hydrogen halides while the rubber is dissolved in a phenol; "Thermoprene" and the material known under the Registered Trade Mark "Pliolite" may also be used. Modifying agents such as plasticisers, diluents, fillers, reinforcing agents, age resistors, resins and dyes may also be added. As an adhesive, the composition which preferably contains 1-5 per cent of the di-isocyanate may be used to unite either to themselves or to each other, surfaces of rubber and rubber derivatives and substitutes, paper, cork, textiles, regenerated cellulose and cellulose derivatives, Nylon, glass, metals such as steel, brass, copper, aluminium and tin, and polymeric materials especially vinyl polymers and copolymers. In compositions for moulding up to 40 per cent of the diisocyanate may be added.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US578019XA | 1942-11-03 | 1942-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB578019A true GB578019A (en) | 1946-06-12 |
Family
ID=22012840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5649/43A Expired GB578019A (en) | 1942-11-03 | 1943-04-08 | Improvement in cyclised rubbers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB578019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983002116A1 (en) * | 1981-12-16 | 1983-06-23 | Hoechst Ag | Water-dilutable binder, method for its preparation and utilization thereof |
-
1943
- 1943-04-08 GB GB5649/43A patent/GB578019A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983002116A1 (en) * | 1981-12-16 | 1983-06-23 | Hoechst Ag | Water-dilutable binder, method for its preparation and utilization thereof |
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