Essays about: "Filip Rynkiewicz"

Found 2 essays containing the words Filip Rynkiewicz.

  1. 1. Lignin modification for higher reactivity towards epoxides

    University essay from KTH/Fiber- och polymerteknologi

    Author : Filip Rynkiewicz; [2023]
    Keywords : Lignin; modification; reactivity; epoxide; oxidation; Lignin; modifikation; reaktivitet; epoxid; oxidation;

    Abstract : Fem metoder har använts för att modifiera barrvedslignin med syftet att öka reaktiviteten av ligninet mot epoxidgrupper. Ligninprover analyserades med NMR och FTIR medan reaktivitet var mätt genom reometri. Metoder som ökade mängden karboxylsyragrupper på ligninet minskade ligninets reaktivitet. READ MORE

  3. 2. Lignin/Carbon Fibre Composites

    University essay from KTH/Kemiteknik

    Author : Ali Al Husseinat; Emma Persson; Ran Carlhamn Rasmussen; Filip Rynkiewicz; [2021]
    Keywords : Kraft lignin; Solvent fractionation; Selective allylation; Lignin based composite material; Thiol-ene thermoset;

    Abstract : The market is in great need of more environmentally friendly alternatives to fossil-based composite materials to obtain a more sustainable future. Lignin is the second most common biopolymer and is a byproduct in the pulping and paper industry. READ MORE