Visiting adress: Skaraborgsvägen 3 Postal adress: 501 90 Borås Website: www.hb.se/ths Thesis for the Degree of Master in Science with a major in Textile Engineering The Swedish School of Textiles Report no. 2017.14.04 Date 4 th of June 2017 Separation for regeneration - Chemical recycling of cotton and polyester textiles STINA BJÖRQUIST