Chemistry Reference
In-Depth Information
3.5 Conclusions
When rosin and turpentine are used as renewable feedstocks for polymers, the bulky
nature of the fused ring structure brings brittleness to the products and steric hindrance
to the reactions of the functional groups, which limits their usefulness and application.
HTME-based waterbone polyurethane combined terpene with polyether, resulting in
coatings with good flexibility, impact resistance and outstanding chemical resistance.
The rosin-epoxy/turpentine-polyurethane IPN combines the rosin's rigidness and
turpentine's flexibility, making these biobased polymers more practical and applicable.
Acknowledgements
The authors wish to thank the National Natural Science Fund of China (No. 31000280
and No. 31170544), Forestry Industry Research Special Funds for Public Welfare
Project (No. 201104031) for partial financial assistance.
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