MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202641106597 A) filed by Vel Tech Rangarajan Dr. Sagunthala R&d Institute Of Science And Technology on September 04, 2026, for Dual-Reinforced Sequentially Crosslinked Alginate-Chitosan Bioleather Composite.
Inventors include Dr. Tarangini Korumilli; Dr. K. Jagajjanani Rao; and Anjali Mishra.
The application for the patent was published on September 11, 2026, under issue no. 37/2026.
Abstract: Abstract Dual-Reinforced Sequentially Crosslinked Alginate-Chitosan Bioleather Composite A hide-free flexible sheet composite and method of manufacture are disclosed. The composite comprises an alginate-chitosan matrix plasticized with glycerol, dispersed alkali-treated ramie fibres providing discontinuous microscale reinforcement, and an open-weave gauze fabric providing continuous macroscale reinforcement. The fibre-containing matrix is impregnated into the gauze fabric and dried to form a self-supporting sheet. The sheet is sequentially stabilized by calcium-ion crosslinking of the alginate-containing bulk followed by treatment with a chitosan-sodium tripolyphosphate solution to form an additional crosslinked surface region. In a representative embodiment, the dual-reinforced composite exhibits an ultimate tensile load of about 111.07 N and an elongation at break of about 33.92%. The composite provides a flexible, hide-free material suitable for leather-substitute articles, coverings, laminates and related applications.
Disclaimer: Curated by HT Syndication.
