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2005

Faculty Publications - Textiles, Merchandising and Fashion Design

Textile technology

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The Ultraviolet Protection Factor Of Naturally-Pigmented Cotton, Patricia Cox Crews, Gwendolyn Hustvedt Jan 2005

The Ultraviolet Protection Factor Of Naturally-Pigmented Cotton, Patricia Cox Crews, Gwendolyn Hustvedt

Faculty Publications - Textiles, Merchandising and Fashion Design

Textile Technology: The sun-blocking properties of a textile are enhanced when a dye, pigment, delustrant, or ultraviolet absorber finish is present that absorbs ultraviolet radiation and blocks its transmission through a fabric to the skin. For this reason, dyed fabrics provide better sun protection than bleached fabrics. Since naturally-colored cottons contain pigments that produce shades ranging from light green to tan and brown, it seemed reasonable to postulate that they would provide better sun protection than conventional bleached cotton, and that natural pigments might prove more durable to laundering and light exposure than dyes, but there is no published research ...