1971
DOI: 10.1002/lipi.19710730106
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Der Einfluß von Anion‐ und Kationtensiden auf die chemische Reaktionsfähigkeit von Wolle

Abstract: h e l b e c k und DifL-Chem. H . K n i t t e l AILS dem Deutschen WoElfo,schungsinstitut an der Technischen Hochschule AachenDer alkalische Abbau von Wollcystin wird durch Aniontenside vermindert und durch Kationtenside verstarkt. Die Sulfitolyse des Wollcystins wird in ahnlicher Weise beeinfluDt. Entgegengesetzt wirken die ionischen Tenside bei der sauren Wollhydrolyse, wo Aniontenside die Peptidspaltung verstarken und Kationtenside sie vermindern. Nichtionische Tenside haben keinen EinfluD auf die chemisc… Show more

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Cited by 17 publications
(2 citation statements)
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“…Such additives have only marginal effects, however, on cleavage levels at the equilibrium. 1 hour 28 31 24 35 39 37 6 5 5 24 hours 36 35 35 43 45 42 8 7 7 a 0 -no surfactant added; A -sodium dodecyl sulfate; C -hexadecyl trimethylammonium bromide The presence of surf act ants appears to have little effect either on the rate or the extent of cleavage of hair cystine by sulfite (Table 9), in contrast with the results of similar treatments obtained with wool (Meichelbeck and Knittel 1971). It is possible that at high concentration, the anionic detergents by virtue of their swelling action may accelerate the diffusion of sulfite and this may increase the rate of sulfitolysis.…”
Section: Sulfitolysis Of Haircontrasting
confidence: 83%
“…Such additives have only marginal effects, however, on cleavage levels at the equilibrium. 1 hour 28 31 24 35 39 37 6 5 5 24 hours 36 35 35 43 45 42 8 7 7 a 0 -no surfactant added; A -sodium dodecyl sulfate; C -hexadecyl trimethylammonium bromide The presence of surf act ants appears to have little effect either on the rate or the extent of cleavage of hair cystine by sulfite (Table 9), in contrast with the results of similar treatments obtained with wool (Meichelbeck and Knittel 1971). It is possible that at high concentration, the anionic detergents by virtue of their swelling action may accelerate the diffusion of sulfite and this may increase the rate of sulfitolysis.…”
Section: Sulfitolysis Of Haircontrasting
confidence: 83%
“…All of the work which uses this method was carried out in the visible rvgion of the spectrum. Details of the method and the representation of binding data have been described previously [2,3]. The concentration used was low enough to minimise PVP aggregation, and self-association of MG in aqueous solution was neglected.…”
Section: Spectral Methodsmentioning
confidence: 99%