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Kraft lignin in polyurethanes. III. Effects of the molecular weight of PEG on the properties of polyurethanes from a kraft lignin–PEG–MDI system

✍ Scribed by Anders Reimann; Roland Mörck; Hirohisa Yoshida; Hyoe Hatakeyama; Knut P. Kringstad

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
592 KB
Volume
41
Category
Article
ISSN
0021-8995

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Kraft lignin in polyurethanes. II. Effec
Kraft lignin in polyurethanes. II. Effects of the molecular weight of kraft lignin on the properties of polyurethanes from a kraft lignin–polyether triol–polymeric MDI system
✍ Hirohisa Yoshida; Roland Mörck; Knut P. Kringstad; Hyoe Hatakeyama 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 636 KB

## Abstract Polyurethane films were prepared by solution casting using a three‐component system consisting of polymeric MDI, a propylene oxide‐based polyether triol and kraft lignin fractions of different molecular weights. The polyether triol was used as soft segment. The composition of the polyur