Search for dissertations about: "Levelling-off degree of polymerization"

Found 2 swedish dissertations containing the words Levelling-off degree of polymerization.

  2. 1. Characterization of cellulose in post-consumer cotton textiles

    Author : Anna Palme; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Acid hydrolysis; Cotton cellulose; Hornification; Levelling-off degree of polymerization; Textile recycling; Laundering;

    Abstract : The overall objective of this thesis is to provide a background to the recycling of cotton. Since cotton consists of pure cellulose, it might be possible to include used cotton, in the already existing viscose industry. READ MORE

  4. 2. Preparation and Characterization of Chemical Pulps from Wood and Reed Canary Grass

    Author : Helena Håkansson; Karlstads universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; pulping; wood; reed canary grass; acid hydrolysis; microcrystalline cellulose; Chemical Engineering; Kemiteknik;

    Abstract : This thesis presents laboratory results from ethanol pulping of reed canary grass for the production of paper pulp. The focus was on the influence of cooking pa-rameters on the delignification. The strength of the grass pulps was found to be low and the use of such pulps will therefore be limited to a few products. READ MORE