Title:
POLYURETHANE-BASED MASTER BATCH
Document Type and Number:
Japanese Patent JP2008255145
Kind Code:
A
Abstract:
To provide a master batch for coloring an highly elastic urethane-based resin film prepared by a calendar film-forming method and capable of holding a good appearance for a long period of time.
This master batch for coloring the calendar-formed highly elastic polyurethane-based resin comprises (1) 10-30 wt.% carbon black, (2) 25 to 45 wt.% polycaprolactone having 30,000 to 70,000 weight-average molecular weight (Mw) and (3) 25 to 65 wt.% urethane-based resin having 180C fusion-starting temperature, and further comprises an ultraviolet absorber, an antioxidant and a photo-stabilizer.
Inventors:
TAKEDA MAKOTO
TANAKA OSAMU
TAKAO KUNIHIRO
IKEHARA YUJI
TANAKA OSAMU
TAKAO KUNIHIRO
IKEHARA YUJI
Application Number:
JP2007096041A
Publication Date:
October 23, 2008
Filing Date:
April 02, 2007
Export Citation:
Assignee:
NIPPON CARBIDE KOGYO KK
International Classes:
C08L75/04; B29B7/88; C08J3/22; C08K3/04; C08L67/04; B29K75/00
Domestic Patent References:
| JPS58104945A | 1983-06-22 | |||
| JP2000086965A | 2000-03-28 | |||
| JP2006328272A | 2006-12-07 |