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Increased bending rigidity of wool fabric imparted by hybrid organic-inorganic sol-gel coating

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posted on 2023-05-03, 15:39 authored by Steve McNeil, Owen Standard
Hybrid organic-inorganic coatings prepared by the sol-gel method can impart desirable properties to textiles, but may adversely affect properties such as bending rigidity. This study investigated the causes of increased bending rigidity. Woven wool fabric was pad coated with formulations of methyltriethoxysilane (MTES), and Hercosett polyamide resin, examined by scanning electron microscopy and the bending rigidities determined. MTES coatings of up to 3.0% solids on mass of wool did not impart unacceptable bending rigidity. The coatings were not uniform on the fibre surfaces and the increases in fabric bending rigidity could be partially attributed to inter-fibre bonding. In addition, the coatings “pinned” the edges of the cuticle scales, making individual fibres harder to bend. These effects are only weakly dependent on the Young’s moduli of the coating materials.

History

Rights statement

Copyright © 2016 by SAGE Publications

Language

  • English

Does this contain Māori information or data?

  • No

Publisher

SAGE

Journal title

Textile Research Journal

ISSN

0040-5175

Citation

McNeil, S. J., & Standard, O. C. (2017). Increased bending rigidity of wool fabric imparted by hybrid organic-inorganic sol-gel coating. Textile Research Journal, 87(5), 607-616. doi:10.1177/0040517516635990

Funder

Core Funding

Contract number

A21232

Job code

154049x01

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