Title:
RETROREFLECTIVE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2016/190019
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a retroreflective material which is provided with excellent laundering fastness, and in which a daytime color visible by inkjet printing and a nighttime color visible by retroreflected light are maintained despite repeated laundering. A retroreflective material provided with a fixing resin layer, transparent microspheres embedded in the fixing resin layer, a reflecting layer provided on a surface side of the transparent microspheres, on the reverse side from the incident light side, and an inkjet receiving layer provided on an outermost surface on the incident light side, wherein the refractive index of the transparent microspheres is set to 1.6-2.5, and the inkjet receiving layer is formed using a polyurethane resin including a C3-15 dicarboxylic acid, a polycarbonate polyol, and a polyisocyanate as constituent units, whereby excellent laundering fastness can be provided, and a daytime color visible by inkjet printing and a nighttime color visible by retroreflected light can be maintained despite repeated laundering.
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Inventors:
NISHIMURA YASUTAKA (JP)
FUJIKI MOTOMU (JP)
NISHIGAKI ATSUMI (JP)
FUJIKI MOTOMU (JP)
NISHIGAKI ATSUMI (JP)
Application Number:
PCT/JP2016/062829
Publication Date:
December 01, 2016
Filing Date:
April 22, 2016
Export Citation:
Assignee:
UNITIKA SPARKLITE LTD (JP)
International Classes:
G02B5/128; B41M5/00; B41M5/50; B41M5/52; G09F13/16
Foreign References:
| JP2004523792A | 2004-08-05 | |||
| JP2010131817A | 2010-06-17 | |||
| JPH05171091A | 1993-07-09 | |||
| JPS61186902A | 1986-08-20 | |||
| JP2005208083A | 2005-08-04 | |||
| JP2004524400A | 2004-08-12 | |||
| JP2003344624A | 2003-12-03 | |||
| JP2002086895A | 2002-03-26 | |||
| JP2005165302A | 2005-06-23 |
Other References:
See also references of EP 3299853A4
Attorney, Agent or Firm:
TANAKA, Junya et al. (JP)
Junya Tanaka (JP)
Junya Tanaka (JP)
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