EP 2214917 A1 20100811 - PROCESS OF DECORATION OF POWDER COATED SUBSTRATES
Title (en)
PROCESS OF DECORATION OF POWDER COATED SUBSTRATES
Title (de)
VERFAHREN ZUR VERZIERUNG VON PULVERBESCHICHTETEN SUBSTRATEN
Title (fr)
PROCESSUS DE DÉCORATION DE SUBSTRATS MUNIS D'UN REVÊTEMENT EN POUDRE
Publication
Application
Priority
- US 2008084522 W 20081124
- EP 07381075 A 20071130
- EP 08854641 A 20081124
Abstract (en)
[origin: EP2065218A1] The present invention is directed to process of decorating a powder coated substrate comprising the steps (a) treating a substrate surface to be coated, (b) applying a powder coating composition on the treated substrate surface and curing the powder coating composition, and (c) covering the cured powder coating with a support comprising a decoration, and transfer the decoration onto the coated substrate surface by heating, wherein a powder coating composition is used comprising (A) 30 to 80 wt% of a mixture of at least one polyester resin A having a hydroxyl number in the range of 30 to 60 mg KOH/g, a weight average molar mass Mn in a range of 3100 to 5000 and a glass transition temperature Tg of 40 to 60 °C and at least one polyester resin B having a hydroxyl number in the range of 250 to 350 mg KOH/g, a weight average molar mass Mn in a range of 2000 to 3000, (B) 10 to 40 wt% of at least one hardener selected from the group consisting of diisocyanates, polyisocyanates and urethdiones, and (C) 0,01 to 40 wt% of at least one coating additive, pigment and/or filler, the wt% being based on the total weight of the powder coating composition, and wherein the transfer by heating is performed in a temperature range between 160 °C and 220 °C. The process provides a coated substrate surface with permanent decorations on it and additionally with a very good anti-graffiti performance for a long time period.
IPC 8 full level
B44C 1/17 (2006.01); C09D 5/03 (2006.01); C09D 167/00 (2006.01)
CPC (source: EP)
B44C 1/1712 (2013.01); C09D 5/03 (2013.01); C09D 167/02 (2013.01)
Citation (search report)
See references of WO 2009070527A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2065218 A1 20090603; CA 2705363 A1 20090604; CN 101878119 A 20101103; EP 2214917 A1 20100811; RU 2010126612 A 20120110; RU 2499676 C2 20131127; WO 2009070527 A1 20090604
DOCDB simple family (application)
EP 07381075 A 20071130; CA 2705363 A 20081124; CN 200880118294 A 20081124; EP 08854641 A 20081124; RU 2010126612 A 20081124; US 2008084522 W 20081124