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Silanization of technical lignins for amphiphobic coating and enhanced mechanical properties of thermoformed products
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DOI:10.1016/j.biortech.2026.134822.png)
Abstract
En 中文
• Systematic silanization of alkali, kraft, and organosolv lignins is developed. • Lignin hydroxyl content below 5 mmol/g enables robust amphiphobic coatings. • 5 wt% lignin coatings cut water absorption of thermoformed sheets to 30 g/m2. • 5 wt% lignin coatings lower oil absorption and enhance grease resistance.• Coated sheets reach 3.2 GPa modulus and 125 MPa tensile strength without PFAS.
Keywords:
lignin silanization
amphiphobic coatings
mechanical properties
thermoformed products
renewable materials
Journal
IF:
9
Papers:
3.2W
Citations:
17.3W
