GB556951A - Improvements in or relating to the production of sheets of cellulose acetate or other organic substances - Google Patents
Improvements in or relating to the production of sheets of cellulose acetate or other organic substancesInfo
- Publication number
- GB556951A GB556951A GB556842A GB556842A GB556951A GB 556951 A GB556951 A GB 556951A GB 556842 A GB556842 A GB 556842A GB 556842 A GB556842 A GB 556842A GB 556951 A GB556951 A GB 556951A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chlorinated rubber
- cellulose acetate
- solution
- sheets
- sheet
- 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
- 229920002301 cellulose acetate Polymers 0.000 title abstract 8
- 239000000126 substance Substances 0.000 title 1
- 229920001971 elastomer Polymers 0.000 abstract 12
- 239000011521 glass Substances 0.000 abstract 4
- 239000002904 solvent Substances 0.000 abstract 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 abstract 3
- 239000002131 composite material Substances 0.000 abstract 3
- 229920000642 polymer Polymers 0.000 abstract 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 238000000151 deposition Methods 0.000 abstract 2
- 150000001993 dienes Chemical class 0.000 abstract 2
- 238000007598 dipping method Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 abstract 1
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 abstract 1
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 abstract 1
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 229920003086 cellulose ether Polymers 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- CJSBUWDGPXGFGA-UHFFFAOYSA-N dimethyl-butadiene Natural products CC(C)=CC=C CJSBUWDGPXGFGA-UHFFFAOYSA-N 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 229920001084 poly(chloroprene) Polymers 0.000 abstract 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 abstract 1
- 239000004926 polymethyl methacrylate Substances 0.000 abstract 1
- 229920002689 polyvinyl acetate Polymers 0.000 abstract 1
- 239000011118 polyvinyl acetate Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Abstract
556,951. Films &c. ; moulding plastic materials. MOSS, W. H. April 25, 1942, No. 5568. [Class 2 (ii)] [Also in Group V] A solution of an acetone-soluble film-forming polymer in a volatile solvent is applied to a smooth casting-surface formed by a non-elastic film-forming polymer which is a derivative of a polymerized diene and is insoluble in the solvent of the applied solution ; at least the bulk of the volatile solvent is evaporated, and the resulting sheet is stripped. The polymerized diene derivative may be chlorinated rubber, rubber hydrochloride, hydrogenated rubber, cyclorubber, or similar derivatives of polymerized isoprene, butadiene, or dimethyl butadiene. Chlorinated isoprene and omega-polychloroprene may be employed. Film-forming polymers which may be used as a basis for the sheets include cellulose acetate, propionate, butyrate, aceto-nitrate, and aceto-stearate, acetonesoluble cellulose ethers, polyvinyl acetate, and polymethyl methacrylate. Thick sheets may be obtained by casting one or more layers of the solution. The casting surface may be supported on a sheet of glass or metal. Thus a layer or layers of a solution of chlorinated rubber in ethylene dichloride or benzene may be deposited on a glass or metal plate, fitted with removable side walls. In an example, a large number of layers of a cellulose acetate solution are cast successively one on top of another, the.bottom layer being cast on a chlorinated rubber surface supported by a glass plate. The composite sheet is stripped from the chlorinated rubber. Instead of depositing the first layer of cellulose acetate dope directly on the chlorinated rubber surface, a preformed sheet of cellulose acetate may be laid flat on the chlorinated rubber surface and this sheet may be built up to the required thickness by the deposition of successive layers of cellulose acetate dope. The composite sheet including the first layer, which is formed, is stripped from the chlorinated rubber surface. The dopes may contain plasticizers, high boiling solvents, dyes, pigments, metallic powders. Sheets suitable for observation panels of aircraft, windshields, or windows for vehicles may be made. The process may be modified by dipping a plate of chlorinated rubber or the like, or a glass plate or other support coated on both sides with chlorinated rubber, into the film dope, e.g. a solution of cellulose acetate. The coating of cellulose acetate is dried and further coatings are formed by alternate dipping and drying steps. The composite sheets so formed are then stripped from the two chlorinated rubber surfaces. Specifications 533,788, 542,080 and 551,786 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB556842A GB556951A (en) | 1942-04-25 | 1942-04-25 | Improvements in or relating to the production of sheets of cellulose acetate or other organic substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB556842A GB556951A (en) | 1942-04-25 | 1942-04-25 | Improvements in or relating to the production of sheets of cellulose acetate or other organic substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB556951A true GB556951A (en) | 1943-10-28 |
Family
ID=9798561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB556842A Expired GB556951A (en) | 1942-04-25 | 1942-04-25 | Improvements in or relating to the production of sheets of cellulose acetate or other organic substances |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB556951A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2834227A (en) * | 1955-03-31 | 1958-05-13 | Leverstart Ltd | Slipping clutch variable speed gear |
| US5188788A (en) * | 1990-07-30 | 1993-02-23 | Fuji Photo Film Co., Ltd. | Process for producing cellulose triacetate films |
-
1942
- 1942-04-25 GB GB556842A patent/GB556951A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2834227A (en) * | 1955-03-31 | 1958-05-13 | Leverstart Ltd | Slipping clutch variable speed gear |
| US5188788A (en) * | 1990-07-30 | 1993-02-23 | Fuji Photo Film Co., Ltd. | Process for producing cellulose triacetate films |
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