DE917487C - Process for the production of water-repellent, flexible and stretchable fibers, threads, fabrics or the like - Google Patents
Process for the production of water-repellent, flexible and stretchable fibers, threads, fabrics or the likeInfo
- Publication number
- DE917487C DE917487C DEA11162D DEA0011162D DE917487C DE 917487 C DE917487 C DE 917487C DE A11162 D DEA11162 D DE A11162D DE A0011162 D DEA0011162 D DE A0011162D DE 917487 C DE917487 C DE 917487C
- Authority
- DE
- Germany
- Prior art keywords
- water
- fibers
- fabrics
- threads
- repellent
- 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
- 239000000835 fiber Substances 0.000 title claims description 20
- 239000004744 fabric Substances 0.000 title claims description 5
- 239000005871 repellent Substances 0.000 title claims description 4
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 238000000034 method Methods 0.000 title claims description 3
- -1 threads Substances 0.000 title claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 229920000180 alkyd Polymers 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims 1
- 239000004014 plasticizer Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005470 impregnation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004870 electrical engineering Methods 0.000 description 2
- 239000008098 formaldehyde solution Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000012261 resinous substance Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
- D06M15/51—Unsaturated polymerisable polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Description
Verfahren zur Herstellung von wasserabstoßenden, biegsamen und dehnbaren Fasern, Fäden, Geweben od. dgl. Flächengebilden Es ist bekannt, daß Fasern, beispielsweise Textilfasern, wie Baumwolle u. dgl., durch Kapillarwirkung sehr viel Feuchtigkeit aufnehmen. In vielen Fällen ist diese Wirkung unerwünscht, und man hat versucht, durch Überziehen bzw. oberflächliche Imprägnierung die Feuchtigkeitsaufnahme der Fasern herabzusetzen. Gleichzeitig sollen durch diese Behandlung die Fasern bessere elastische Eigenschaften bekommen und eine mechanische Verfestigung erhalten.Process for the production of water-repellent, flexible and stretchable Fibers, threads, fabrics or the like. Flat structures It is known that fibers, for example Textile fibers, such as cotton and the like, have a great deal of moisture due to capillary action take up. In many cases this effect is undesirable and attempts have been made to by coating or superficial impregnation, the moisture absorption of the Reduce fibers. At the same time, this treatment should improve the fibers get elastic properties and get mechanical strengthening.
Zum Überziehen bzw. zur oberflächlichen Imprägnierung der Fasern hat man vorgeschlagen, harzartige Stoffe zu verwenden, die in organischen Lösungsmitteln bzw. in Wasser löslich sind und die aus dem Lösungsmittel in bekannter Weise auf der Faser niedergeschlagen werden. Die Zahl der harzartigen Stoffe, die sich in Wasser lösen, ist sehr beschränkt, ebenso die Zahl an Harzen, welche den Fasern eine gute Flexibilität verleihen.For covering or for superficial impregnation of the fibers it has been proposed to use resinous substances in organic solvents or are soluble in water and are removed from the solvent in a known manner the fiber will be knocked down. The number of resinous substances found in Dissolving water is very limited, as is the number of resins which the fibers can contain give a good flexibility.
So hat man unter anderem Harnstoff-Formaldehyd-Kondensationsprodukte zur Verbesserung der hydrophoben Eigenschaften der Fasern herangezogen, wobei jedoch eine dauernde hohe Flexibilität der Endprodukte nicht erzielt wurde, was wohl darauf zurückzuführen ist, daß unerwünschte Alterungserscheinungen auftreten, die mit der Zeit den ursprünglichen Zustand der einmal erzielten Eigenschaften herabmindern bzw. zum Verschwinden bringen.Among other things, one has urea-formaldehyde condensation products used to improve the hydrophobic properties of the fibers, however a permanent high flexibility of the end products was not achieved, which is probably due to it is due to the fact that undesirable signs of aging occur with the Time to reduce the original state of the properties once achieved or make it disappear.
Es wurde nun gefunden, daß unerwarteterweise bestimmte modifizierte Alkydharze wasserlöslich sind und aus der wäßrigen Lösung auf die Fasern fixiert ein ausgezeichnetes hydrophobes Verhalten der Fasern herbeiführen unter Erhaltung einer dauernden Flexibilität dieser Produkte. Da diese modifizierten, in Wasser leicht löslichen Alkydharze eine außerordentliche Benetzung und Haftfestigkeit mit der Faser zeigen, kann man bereits mit- sehr verdünnten Lösungen arbeiten.It has now been found that, unexpectedly, certain modified Alkyd resins are water soluble and are made from aqueous solution on the fibers fixed bring about an excellent hydrophobic behavior of the fibers with preservation a permanent flexibility of these products. As these modified, in water easily soluble alkyd resins with extraordinary wetting and adhesive strength the fibers show that one can work with very dilute solutions.
Gemäß der Erfindung wird das Überziehen bzw. die oberflächliche Imprägnierung der Fasern beispielsweise wie folgt vorgenommen: Kunst-, vegetabilische oder tierische Fasern werden mit einer io°/oigen wäßrigen Lösung getränkt, dann läßt man die überschüssige Lösung abtropfen bzw. preßt die Fasern aus. Danach werden die so imprägnierten Fasern bei Temperaturen von ioo bis 13o° getrocknet.According to the invention, the coating or the superficial impregnation The fibers are made, for example, as follows: artificial, vegetable or animal Fibers are impregnated with a 10% aqueous solution, then the excess is left The solution drips off or the fibers are pressed out. After that, the fibers so impregnated dried at temperatures from 100 to 130 °.
Ein gemäß der Erfindung zu.verwendendes modifiziertes Alkydharz wird in der Weise hergestellt, daß man i Mol Citronensäure mit 3 Mol Glykol bei i4.0 bis i95'° verestert und dann das Veresterungsprodukt nochmals mit Citronensäure bei iq.o bis 16o° kondensiert. Das eine Säurezahl von 13o bis 135 aufweisende Kunstharz, welches bei höherer Temperatur eine noch fließbare Reaktionsmasse und nach Abkühlung auf Zimmertemperatur ein schwach gelbliches, festes harzartiges Produkt bildet, ist in Wasser löslich und härtet in dünner Schicht besonders beschleunigend bei Mitwirkung von Formaldehyd bei iio bis i25'°' zu einer biegsamen, hornartigen Masse.A modified alkyd resin to be used according to the invention is prepared in such a way that one mole of citric acid with 3 moles of glycol at i4.0 Esterified up to 95 ° and then the esterification product again with citric acid condensed at iq.o to 16o °. The synthetic resin, which has an acid number of 13o to 135, which at higher temperature a still flowable reaction mass and after cooling forms a pale yellowish, solid resin-like product at room temperature, is soluble in water and hardens in a thin layer, which is particularly accelerating Contribution of formaldehyde to a bendable, horn-like mass in iio to i25 '°'.
Die Härtung des Produkts wird auf der Faser in der Weise vorgenommen, daß man der wäßrigen Harzlösung Formaldehydlösung zusetzt oder das noch bildsame Produkt durch eine Formaldehydlösung zieht bzw. mit Paraformaldehyd bestäubt. Durch eine anschließende Wärmebehandlung erzielt man so ein biegsames, gehärtetes Produkt.The hardening of the product is carried out on the fiber in such a way that that one adds formaldehyde solution to the aqueous resin solution or that which is still malleable Product pulls through a formaldehyde solution or dusted with paraformaldehyde. By a subsequent heat treatment results in a flexible, hardened product.
Die in dieser Weise behandelten Fasern zeigen nicht nur ein ausgezeichnetes wasserabstoßendes Verhalten, sondern zeigen auch gute elektrische Werte, so daß sie: nicht nur in der Textiltechnik Verwendung finden können, sondern auch miteinander verpreßt, gegebenenfalls unter weiterem Zusatz von Kunstharzen und plastifizierenden Mitteln z. B. in der Elektrotechnik als elektrisches Isoliermaterial Verwendung finden können.The fibers treated in this way not only show an excellent one water-repellent behavior, but also show good electrical values, so that they: can be used not only in textile technology, but also with one another pressed, if necessary with further addition of synthetic resins and plasticizing agents Means z. B. use in electrical engineering as an electrical insulating material can find.
Es können selbstverständlich auch Fäden bzw. Gewebe in der erwähnten Weise behandelt werden und so in verschiedenen Zweigen der Industrie Verwendung finden.It goes without saying that threads or fabrics can also be used in the aforementioned Wise treated and so use in various branches of industry Find.
In der Elektrotechnik lassen sich auf diese Weise daraus Preßgegenstände herstellen, wie insbesondere durch Übereinanderlegen derartiger. imprägnierter Gewebe sogenannte Hartgewebe erzeugt werden.In electrical engineering, pressed articles can be made from them in this way produce, such as in particular by superimposing such. impregnated fabric so-called hard tissue can be produced.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA11162D DE917487C (en) | 1938-07-26 | 1938-07-26 | Process for the production of water-repellent, flexible and stretchable fibers, threads, fabrics or the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA11162D DE917487C (en) | 1938-07-26 | 1938-07-26 | Process for the production of water-repellent, flexible and stretchable fibers, threads, fabrics or the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE917487C true DE917487C (en) | 1954-09-06 |
Family
ID=6922191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEA11162D Expired DE917487C (en) | 1938-07-26 | 1938-07-26 | Process for the production of water-repellent, flexible and stretchable fibers, threads, fabrics or the like |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE917487C (en) |
-
1938
- 1938-07-26 DE DEA11162D patent/DE917487C/en not_active Expired
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