US1819070A - Process for chemically impregnating jute sacks, tent cloth, and the like - Google Patents
Process for chemically impregnating jute sacks, tent cloth, and the like Download PDFInfo
- Publication number
- US1819070A US1819070A US438629A US43862930A US1819070A US 1819070 A US1819070 A US 1819070A US 438629 A US438629 A US 438629A US 43862930 A US43862930 A US 43862930A US 1819070 A US1819070 A US 1819070A
- Authority
- US
- United States
- Prior art keywords
- tent cloth
- impregnating
- fabrics
- jute
- sacks
- 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 - Lifetime
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/11—Starch or derivatives thereof
Definitions
- Fabrics impregnated without further treatment after the evaporation of the solvent are then absolutely waterproof and not sensitive to heat or cold, without their losing any of their original suppleness and pliability in this manner can withstand temperatures up to 100 (3., without their usefulness being in any way af 1 fected, so that for example'jute sacks treat ed according to the process are suitable in 'an excellent manner for usein the tropics.
- balata 50-parts by weightof trichlorethylene 20 parts by weight of wheat Hour 20 parts. by weight of zinc-white or 40 parts by weight of asbestos powder and. i 10 parts by weight of balata.
- the balata is dissolved at an ordinary temperature in a mixture of carbonic disulphide and trichlorethylene. After dissolving completely, the filling substances, wheat flour and zincswhite, are added, whereupon the whole is-again thoroughly mixed for about three hours and brought into a suitable reservoir, from which the solution is fed as required through pipe conduits or the like to the vessel to act as the'bath.
- the jute sacks to be dipped into the bath are .preferably stretched tightly-over plates chines.
- the solvent used can be recovered almost entirely in knownmanner by evaporation, so that the new impregnating process is very cheap as compared with other processes.
- Thebalata mass is intimately combined with the filling substances employed in the finest uniform distribution in the impregnated fabric and adheres absolutely tightly to the fibres, so that the fabrics have a very great durability without becoming stiff or brittle.
- the fabrics treated according to the new process are absolutely impervious to mois-.
- Tent cloth and other piece fabrics are treated in a similar manners 1.
Description
Patented Aug. 18, i931-- No Drawing. Application filed March 24, 1930, Serial Np. 438,629, and in Germany February 14, 1929.
UNITED STATES AR'IHIlR IBORRMANN, or neurone, GERMANY, AssIsNoa 'I'O. SIEGMUND KOCH, or
. neurone;
PATENT OFFICE GERMANY I rnociiss roa GEEMICALLY IMPREG ATINGL JU'iE SACKS, TENT CLOTH, AND THE LIKE This.invention relates to a novel process for chemically impregnating fabrics, especially jute sacks, tent cloth and the like to renderthe same waterproof. The new process differs in an advantageous manner from the hitherto known processes of this kind not only in its simplicity and cheapness, but also in the durability and resist ing capability of the fabrics treated against climatic and similar influences.
For impregnating such fabrics hitherto caoutchouc or balata were 'dissolvedin' benzol or the like by hot method, the impregnated material being subjected to a vulcanizationunder heat.
Contrary theretoan impregnating liquid is prepared, accordingto thenew process, by cold method from balata, in that balata is dissolved in a mixture consisting of equal parts of carbonic disulphideand tI'lChlOl'G-r thyle'ne, to which solution-filling substances,
-such as zinc-white, wheat flour, asbestos powder or the like, are addedin known manner.
The fabrics treated with this impregnat- 'ing liquid are immediately ready for use through the treatment.
Fabrics impregnated without further treatment after the evaporation of the solvent. The fabrics are then absolutely waterproof and not sensitive to heat or cold, without their losing any of their original suppleness and pliability in this manner can withstand temperatures up to 100 (3., without their usefulness being in any way af 1 fected, so that for example'jute sacks treat ed according to the process are suitable in 'an excellent manner for usein the tropics.
The proportions of the quantities of the several constituents of the impregnating A liquidcan naturally vary according to the special'purposes and requirements, however experiments have shown that, particularly for impregnating jute sacks, tent cloth andsimilar fabrics, the following composition is in most cases very suitable:
"parts' by weight of carbonic disulphide,
50-parts by weightof trichlorethylene 20 parts by weight of wheat Hour 20 parts. by weight of zinc-white or 40 parts by weight of asbestos powder and. i 10 parts by weight of balata. In preparing the composition,-the balata is dissolved at an ordinary temperature in a mixture of carbonic disulphide and trichlorethylene. After dissolving completely, the filling substances, wheat flour and zincswhite, are added, whereupon the whole is-again thoroughly mixed for about three hours and brought into a suitable reservoir, from which the solution is fed as required through pipe conduits or the like to the vessel to act as the'bath.- I
The jute sacks to be dipped into the bath are .preferably stretched tightly-over plates chines.
The solvent used can be recovered almost entirely in knownmanner by evaporation, so that the new impregnating process is very cheap as compared with other processes.
Thebalata mass is intimately combined with the filling substances employed in the finest uniform distribution in the impregnated fabric and adheres absolutely tightly to the fibres, so that the fabrics have a very great durability without becoming stiff or brittle.
The fabrics treated according to the new process are absolutely impervious to mois-.
ture, because the impregnating liquid is not only itself absolutely-sterile but any mildew or similar germs present in the fabric are positively destroyed.
Tent cloth and other piece fabrics are treated in a similar manners 1. The herein described process of waterproofing jute, tent clothand other fabrics,
which consists in dipping the fabric in a stretched state in an impregnating solution formed by dissolvin balat-a in a solvent mixture'including a fidler for about 1% minutes, removing the fabric from the solution I and permitting any excess deposit to drain therefrom, and thereafter evaporating the solvent of the solution from the mixture remaining with the fabric.
2. The herein described process of waterproofing jute, tent cloth and other fabrics, which consists in saturating the fabric in a stretched condition with an impregnating solution formed by dissolving 10 units of "balata in a. solvent mixture of '50 units ofcarbon disulfid and 50-units trichlorethylene and adding a filler, in draining the fabric to permit excess solution to be dislodged thererom, and subjecting the fabric to an exhauster for vaporizmg the 'solvent' of the solution.
In witness whereof, I subscribe my signature. ARTHUR BORRMANN. Y
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1819070X | 1929-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1819070A true US1819070A (en) | 1931-08-18 |
Family
ID=7744649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US438629A Expired - Lifetime US1819070A (en) | 1929-02-14 | 1930-03-24 | Process for chemically impregnating jute sacks, tent cloth, and the like |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1819070A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878069A (en) * | 1954-10-11 | 1959-03-17 | Jr Walter Wessel | Process for manufacturing brushes |
| US2936516A (en) * | 1954-05-17 | 1960-05-17 | John A Adair | Method of making a dielectric core and resistor |
-
1930
- 1930-03-24 US US438629A patent/US1819070A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2936516A (en) * | 1954-05-17 | 1960-05-17 | John A Adair | Method of making a dielectric core and resistor |
| US2878069A (en) * | 1954-10-11 | 1959-03-17 | Jr Walter Wessel | Process for manufacturing brushes |
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