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Title:
INK-RECEPTIVE LAYERS FOR DURABLE LABELS
Document Type and Number:
WIPO Patent Application WO/2019/097469
Kind Code:
A3
Abstract:
Coatable compositions for formation of ink-receptive layers, which may be aqueous suspensions, comprise a mixture of: a) 8.0-75 wt% (based on the total weight of a), b), c), and d)) of colloidal silica particles having an average particle size of 2.0-150 nm; b) 10-75 wt% of one or more polyester polymers; c) 10-75 wt% of one or more polymers selected from the group consisting of polyurethane polymers and (meth)acrylate polymers; and d) 0-10 wt% of one or more crosslinkers. Ink-receptive layers, which may exhibit high gloss and high ink anchoring are also provided, as are constructions comprising such layers. Porous solids are also provided, comprising: a) 8.0-75 wt% of colloidal silica particles having an average particle size of 2.0-150 nm; and b) one or more water dispersible polymers.

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Inventors:
KHURANA RACHNA (US)
PIETRAS MACIEJ P (PL)
COONCE BENJAMIN R (US)
JING NAIYONG (US)
Application Number:
PCT/IB2018/059042
Publication Date:
July 18, 2019
Filing Date:
November 16, 2018
Export Citation:
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Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
B41M5/52; C09D167/00; C09D175/00
Domestic Patent References:
WO2002062894A12002-08-15
WO2010114698A12010-10-07
WO2011087997A12011-07-21
Foreign References:
EP2138320A12009-12-30
US5639546A1997-06-17
EP1499667A12005-01-26
EP1481812A22004-12-01
EP0250154A21987-12-23
Attorney, Agent or Firm:
BERN, Steven A., et al. (US)
Download PDF:
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