06-01-2022 дата публикации
Номер: US20220000749A1
The subject of the present disclosure is a process for dyeing keratinous material, in particular human hair, comprising the following steps: 1. Process for dyeing keratinous material comprising the following steps:applying an agent (a) to the keratinous material, wherein the agent (a) comprises:(a1) at least one organic silicon compound selected from the group of silanes having one, two or three silicon atoms, and(a2) at least one colorant compound selected from the group of pigments and/or direct dyes, andapplying an agent (b) to the keratinous material, wherein the agent (b) comprises:(b1) at least one film-forming polymer.2. Process according to claim 1 , wherein the agent (a) comprises at least one organic silicon compound (a1) of the formula (I) and/or (II){'br': None, 'sub': 1', '2', '3', 'a', '4', 'b, 'RRN-L-Si(OR)(R)\u2003\u2003(I),'} [{'sub': 1', '2', '1', '6, 'R, Rindependently represent a hydrogen atom or a C-Calkyl group,'}, {'sub': 1', '20, 'L is a linear or branched divalent C-Calkylene group,'}, {'sub': 3', '4', '1', '6, 'R, Rindependently of one another represent a C-Calkyl group,'}, 'a stands for an integer from about 1 to about 3, and', 'b stands for the integer 3−a, and, 'where'} {'br': None, 'sub': 5', 'c', '6', 'd', 'e', '7', 'f', 'g', '8', 'h', '6', 'd′', '5', 'c′, '(RO)(R)Si-(A)-[NR-(A′)]-[O-(A″)]-[NR-(A′″)]—Si(R′)(OR′)\u2003\u2003(II),'}, 'wherein in the organic silicon compound of formula (II)'}{'sub': 1', '6, 'R5, R5′, R5″, R6, R6′ and R6″ independently represent a C-Calkyl group,'}{'sub': 1', '20, 'A, A′, A″, A′″ and A″″ independently represent a linear or branched divalent C-Calkylene group,'}{'sub': 7', '8', '1', '6', '1', '6', '2', '6', '1', '6, 'claim-text': [{'br': None, 'sub': 6', 'd', '5', 'c, '-(A″″)-Si(R″)″(OR″)″\u2003\u2003(III),'}, 'c, stands for an integer from 1 to 3,', 'd stands for the integer 3−c,', 'c′ stands for an integer from 1 to 3,', 'd′ stands for the integer 3−c′,', 'c″ stands for an integer from 1 to 3,', 'd″ ...
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