Title:
PEEL-RESISTANT SELF-HEALING COATINGS AND STAINS FOR POROUS SUBRTATES
Document Type and Number:
WIPO Patent Application WO/2018/018014
Kind Code:
A3
Abstract:
Disclosed are methods of protecting porous substrates and/or increasing the peel-resistance of coatings and stains for porous substrates. The methods may include providing a stain or coating comprising a microencapsulated self-healing material; and applying the stain or coating to a porous substrate. Damage to the stain or coating may release the self-healing material at a site of damage, such as a crack or scratch in the stain or coating. The self-healing material may be a polymeric precursor,.an unsaturated polyester resin or alkyd, a fatty acid-based natural oil or derivative thereof, or a cross-linkable silane or siloxane monomer or resin. The microencapsulated self-healing material may include a microcapsule having a shell wall that includes a thermosetting polymer or a thermoplastic polymer; the thermosetting polymer may include urea-formaldehyde, melamine formaldehyde, polyurethane, polyurea, or polyacrylate; and the thermoplastic polymer comprises poly(methyl methacrylate), poly(lactic acid), or poly(glycolic acid).
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Inventors:
WILSON GERALD (US)
EBBERT BYRON (US)
EBBERT BYRON (US)
Application Number:
PCT/US2017/043390
Publication Date:
July 26, 2018
Filing Date:
July 21, 2017
Export Citation:
Assignee:
AUTONOMIC MAT INC (US)
International Classes:
B05D5/00; B05D7/24; C09D167/06; C09D167/08; C09D183/04; C09D191/00
Domestic Patent References:
WO2015171429A1 | 2015-11-12 |
Foreign References:
US20150111987A1 | 2015-04-23 | |||
US20110060074A1 | 2011-03-10 | |||
US20080152815A1 | 2008-06-26 | |||
US6420052B1 | 2002-07-16 |
Other References:
See also references of EP 3487636A4
Attorney, Agent or Firm:
PREWITT, Steven, J. et al. (US)
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