DEV0001516MA - Process for preventing the discoloration of finished cellulose hydrate fibers during steaming - Google Patents
Process for preventing the discoloration of finished cellulose hydrate fibers during steamingInfo
- Publication number
- DEV0001516MA DEV0001516MA DEV0001516MA DE V0001516M A DEV0001516M A DE V0001516MA DE V0001516M A DEV0001516M A DE V0001516MA
- Authority
- DE
- Germany
- Prior art keywords
- higher molecular
- discoloration
- preventing
- cellulose hydrate
- fibers during
- 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 5
- 238000000034 method Methods 0.000 title claims 2
- 229920002678 cellulose Polymers 0.000 title description 3
- 239000001913 cellulose Substances 0.000 title description 3
- 238000002845 discoloration Methods 0.000 title description 2
- 238000010025 steaming Methods 0.000 title 1
- 125000001931 aliphatic group Chemical group 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 150000003464 sulfur compounds Chemical class 0.000 claims 1
- 150000007513 acids Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 240000007124 Brassica oleracea Species 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Description
ferfahren zur HintazihaXtung des Yerlärbens avisierter Cellulosehydratfasern beim Dämpfen-Vereinigte Glanzstoff~Fabri ken Ao-G). Wuppertal - E&berfeldproceed to obscure the yellowing of advised cellulose hydrate fibers in the steaming-united glossy factory Ao-G). Wuppertal - E & berfeld
Avivierte Gellulosehydratfasern weisen nach einem anschließe senden Dämpfen meist eine unangenehme irreversibele Verfärbung auf* ■Diese* übelstand hat dazu geführte dass raan Cellulosehydratfasern, die zut Herabsetzung des Quellveraögens gedämpft werden sollen, erst dann aviviert9 nachdem zuvor die Dämpfung vollso&en ist« Die Pasern müssen also in umständlicher-Weise zunächst getrocknet s dann gedämpfte ansahliessend wieder befeuchtet und aviviert und endlich erneut getrocknet werden*Avivierte Gellulosehydratfasern demonstrate a connect message vapors usually an unpleasant irreversible discoloration * ■ This * bad was having to run that raan cellulose hydrate, which zut reduction of Quellveraögens to be damped, and only then brightened 9 after previously the damping vollso & s "The parsers are so must first dried in a cumbersome way s then steamed then re-moistened and enriched and finally dried again *
überraschenderweise ist nun gefunden worden0 dass nan von vornherein von avivierten Pasern ausgehen kann8 wenn man die ssu dämpfenden Pasern mit Avivagemitteln der nachfolgenden aufgeführten Siabstanz-KXassen behandelt? neutrale Löoungen von Alkaliβal2en starker Säurens die einen höher molekularen aliphatischen oder höher molekulare aliphatisch© Gruppen tragenden gemischt aliphatisch aromatischen Rest enthaltens sowie Salze starker, einen höher molekularen aliphatischen Seat enthaltender Basen mit starken Säuren= Es kommen insbesondere in Frage Verbindungen der allgemeinen Formel?Surprisingly, it has now been found 0 that one can assume from the outset that the fibers have been treated 8 if the dampening fibers are treated with finishing agents of the following types of safety class? neutral Löoungen of Alkaliβal2en strong acids s having a relatively high molecular weight aliphatic or molecular higher aliphatic © group-containing mixed aliphatic aromatic radical containing s as well as salts of strong, a relatively high molecular weight aliphatic Seat containing bases with strong acids = There are in particular compounds of general formula?
B-SO,, Me9 H-OSO, Me und BB-SO ,, Me 9 H-OSO, Me and B
H - XH - X
wobei R stets einen a'liphatisehen Kohl enwass@i°st off rest mit mindestens β 0=-AtO£nen vo:rsteilte R^Hä beliebige andere organische Rest© (vorwiegend kurskettige aliphatisch^ Rest8 wie z»Bc CH1,-=, -CH-OHc, ·= SgHe u.-.dgl-,) oder einfache aromatisches hydroaromatische oder gemischt aliphati;sch=aromatische Resteg wie z«B« Benzyl, Ke ain Alkalinnetall und X den Säurerest einer starken Säure* Es sind also Avivagen geeignet die entweder Schwefelsäureverbindungen höher molekularer aliphatischer Beste sind oder aber Salze quaternärer Ammoniiaiaverbindiingen, die am Stickstoff höher molekulare aliphatisch® Reste tragen» Wesentlich ist9 dass es sich bei allen in .Frage kommenden Verbindungen stets um Salae starker Säuren mit starken Basen handeltewhere R is always an a'liphatic kohl en water @ i ° st off remainder with at least β 0 = -atons prefixed R ^ Ha any other organic remainder © (predominantly aliphatic ^ remainder 8 such as e.g. c CH 1 , - =, -CH-OHc, · = SgHe u .-. Like-,) or simple aromatic hydroaromatic or mixed aliphatic; sch = aromatic radicals g such as z «B« benzyl, Ke ain alkali metal and X the acid residue of a strong acid * There are so finishes are suitable either sulfuric compounds of higher molecular aliphatic best or wear but salts quaternary Ammoniiaiaverbindiingen, the higher molecular weight on nitrogen aliphatisch® remains "essential is 9 that it is always strong at all in .Frage incoming connections to Salae acids with strong bases acted
/\M*M, XoA/ \ M * M, XoA
Claims (1)
Family
ID=
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