30-01-2014 дата публикации
Номер: US20140031734A1
A silicone adhesive composition including an ionic silicone and useful for healthcare applications such as wound care and drug delivery. 1. A silicone adhesive composition comprising an ionic silicone wherein the ionic silicone is a functionalized ionic silicone having the formula:{'br': None, 'sup': 1', '2', '3', '1', '2', '3', '1', '2', '3, 'sub': a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j, 'MMMDDDTTTQ\u2003\u2003(I)'}wherein:{'sup': 1', '1', '2', '3, 'sub': '1/2', 'M=RRRSiO'}{'sup': 2', '4', '5', '6, 'sub': '1/2', 'M=RRRSiO'}{'sup': 3', '7', '8', '9, 'sub': '1/2', 'M=RRRSiO'}{'sup': 1', '10', '11, 'sub': '2/2', 'D=RRSiO'}{'sup': 2', '12', '13, 'sub': '2/2', 'D=RRSiO'}{'sup': 3', '14', '15, 'sub': '2/2', 'D=RRSiO'}{'sup': 1', '16, 'sub': '3/2', 'T=RSiO'}{'sup': 2', '17, 'sub': '3/2', 'T=RSiO'}{'sup': 3', '18, 'sub': '3/2', 'T=RSiO'}{'sub': '4/2', 'Q=SiO'}{'sup': 1', '2', '3', '5', '6', '8', '9', '10', '11', '12', '13', '15', '16, 'where R, R, R, R, R, R, R, R, R, R, R, Rand Rare aliphatic, aromatic or fluoro containing monovalent hydrocarbon radicals containing from 1 to about 60 carbon atoms,'}{'sup': 4', '12', '17, 'claim-text': {'br': None, 'sup': x−', 'y+, 'sub': 'n', '-A-IM\u2003\u2003(II)'}, 'where R, Rand Rare monovalent radical bearing ion-pairs having the formula (II)where A is a spacing group having at least one spacing atom selected from a divalent hydrocarbon or hydrocarbonoxy group,{'sub': 3', '3', '3', '3, 'sup': −', '−', '−', '2−', '2−, 'where I is an ionic group selected from sulfonate —SO, sulfate —OSO′, carboxylate —COO, phosphonate —PO and phosphate —OPO,'} {'br': None, 'sub': '2', 'sup': '+', '—R′—NR″—R′″—I\u2003\u2003(III)'}, 'where M is hydrogen or a cation independently selected from alkali metals, alkali earth metals, transition metals, metal complexes, quaternary ammonium and phosphonium groups, organic cations, alkyl cations, cationic hydrocarbons and cationic polymers; or, zwitterions having the formula (III)where R′ is a divalent ...
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