The layered combination of the chromic inks is build up in 3 layers. First is a thermochromic magenta + blue pigment layer. Second is black thermochromic layer with a pattern. Third is all hydrochromic layer.

1st layer thermochromic magenta + blue pigment:

 

2nd layer black thermochromic layer with a pattern:

 

3rd layer is only hydrochromic.

Red and black is activated with cold water. Blue activated with hot water:

 

Each layer must be fixed with heat by ironing the dry sample with 130 C for 3 minutes each.


References/Inspirations:

2013 "Thermochromic Origami" by Isabel Cabral & A. P. Souto: http://etextile-summercamp.org/swatch-exchange/thermochromic-origami/

2014 Water Connector by Marta Kisand, Barbro Scholz and Esther St├╝hme http://etextile-summercamp.org/swatch-exchange/water-connector/

2014 "Changing Patterns" by Aniela Hoitink / NEFFA http://etextile-summercamp.org/swatch-exchange/changing-patterns/

2016 "Metamerism" by Celine Marcq http://etextile-summercamp.org/swatch-exchange/metamerism/


Materials:

Magenta Thermochromic Ink (27 C) http://www.zenit-konst.se

Black  Thermochromic Ink (27 C) http://www.zenit-konst.se

Hydrochromic Ink https://www.sfxc.co.uk

Aquaplast binder https://www.siebdruck-versand.de

Aquaplast blue pigment https://www.siebdruck-versand.de

Screen printing screen (61 T) https://www.siebdruck-versand.de

100% cotton textile


Techniques:

Sample pattern design

Screen printing

Here is a good tutorial (not mine) for screen making, pattern application and screen printing: https://www.youtube.com/watch?v=uIHOSzbNT8Q&t=29s

Heat fixing of the print on textile: 130 C for 3 minutes, each layer.


Dimensions:

8 cm diameter circle sample


Photo:

Red and black is activated with cold water. Blue activated with hot water:


Patterns, Templates:

Layer order plan:

Pigment mixing: