GB424242A - Improvements relating to the thermal, electrical or other insulation of articles - Google Patents
Improvements relating to the thermal, electrical or other insulation of articlesInfo
- Publication number
- GB424242A GB424242A GB1360233A GB1360233A GB424242A GB 424242 A GB424242 A GB 424242A GB 1360233 A GB1360233 A GB 1360233A GB 1360233 A GB1360233 A GB 1360233A GB 424242 A GB424242 A GB 424242A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cotton
- threads
- cellulose
- articles
- esterified
- 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
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/16—Preparation of mixed organic cellulose esters, e.g. cellulose aceto-formate or cellulose aceto-propionate
- C08B3/18—Aceto-butyrates
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
Abstract
Articles are insulated electrically, thermally, or against damp by a coating of cellulose which has been esterified, preferably not beyond the diacyl stage, by a process which does not cause destruction of the cellulose fibres and by acylating agents whose acid radical contains at least three carbon atoms. The cellulosic material may be in the form of threads, fabrics, or loose fibres of cotton or regenerated cellulose, and may be esterified by the processes described in Specifications 349,322, 353,978, 379,658, and 380,822, with or without preliminary swelling. In examples, cotton threads, cotton bands, viscose bands, and artificial threads of regenerated cellulose are butyrylated with retention of their structure until the acyl content is approximately 1,5 acyl-groups per C6H10O5 unit and are employed for insulating electric conductors, lagging steam pipes and as damp-proofing materials for winding on underground pipes or cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1360233A GB424242A (en) | 1933-05-10 | 1933-05-10 | Improvements relating to the thermal, electrical or other insulation of articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1360233A GB424242A (en) | 1933-05-10 | 1933-05-10 | Improvements relating to the thermal, electrical or other insulation of articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB424242A true GB424242A (en) | 1935-02-04 |
Family
ID=10026010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1360233A Expired GB424242A (en) | 1933-05-10 | 1933-05-10 | Improvements relating to the thermal, electrical or other insulation of articles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB424242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610962A (en) * | 1983-06-03 | 1986-09-09 | Unitika Ltd. | Carriers for immobilization of physiologically active substances |
-
1933
- 1933-05-10 GB GB1360233A patent/GB424242A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610962A (en) * | 1983-06-03 | 1986-09-09 | Unitika Ltd. | Carriers for immobilization of physiologically active substances |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB424242A (en) | Improvements relating to the thermal, electrical or other insulation of articles | |
| GB423920A (en) | Improvements relating to the thermal, electrical or other insulation of articles | |
| GB471710A (en) | Improvements in or relating to electric metal-clad high-tension switch gear | |
| ES329536A1 (en) | Procedure to produce an acrylic thread. (Machine-translation by Google Translate, not legally binding) | |
| US3429819A (en) | Thermally stable cellulosic insulation material | |
| GB395737A (en) | Improvements in or appertaining to the manufacture or treatment of paper for use in electrical insulation | |
| US2000428A (en) | Electrical conductor | |
| GB771183A (en) | Insulation for electric conductors | |
| GB467992A (en) | Improving textile fibres | |
| GB510008A (en) | An improved electric cable | |
| SU17450A1 (en) | The method of obtaining an insulating material for electrical purposes | |
| MINAGAWA | Electron-microscopic investigation on the structure of the silk fibres (II) Studies on the surface texture of the fibroin filaments | |
| GB598378A (en) | Improvements in and relating to glass fibre sheet material | |
| GB564241A (en) | Method of temporarily repairing electric cables damaged by moisture and device for performing said method | |
| GB1118909A (en) | Thermally stabilized cellulose in electrical apparatus and method for making same | |
| ES310215A1 (en) | Procedure for the preparation of acrylonitryl polymer fibers. (Machine-translation by Google Translate, not legally binding) | |
| GB564583A (en) | Improvements in and relating to the parchmentisation and vulcanisation of cellulose fibres | |
| GB515666A (en) | Improvements in and relating to electric conductors | |
| GB419918A (en) | Manufacture of new staple fibre | |
| GB708282A (en) | Process for the production of fibrous material having improved heat resistance | |
| GB556045A (en) | Improvements in or relating to felted material | |
| GB382662A (en) | Improvements in or relating to insulated electric conductors | |
| GB474658A (en) | Improvements in the manufacture of artificial textile materials and of films and like materials having a basis of organic derivatives of cellulose | |
| GB1031995A (en) | Improvements in the treatment of cellulose fibres | |
| GB980174A (en) | Improvements in or relating to papers for use in chromatographic separations |