1. Application of Unbleached and bleached modified low molecular weight kraft lignin as a biorenewable polymer for improving mechanical properties of 3D printing resin Restricted (Penn State Only) Author: Rohi Gal, Mostafa Title: Application of Unbleached and bleached modified low molecular weight kraft lignin as a biorenewable polymer for improving mechanical properties of 3D printing resin Graduate Program: Agricultural and Biological Engineering (MS) Keywords: 3D printingMechanical strengthKraft ligninChemical modification File: Login to Download Committee Members: Stephen C Chmely, Thesis Advisor/Co-AdvisorAmir Sheikhi, Committee MemberSuat Irmak, Program Head/ChairAli Demirci, Committee Member