ANTIFUNGAL PROTECTION AND SIZING OF PAPER WITH CHITOSAN SALTS AND CELLULOSE ETHERS. PART 1, PHYSICAL EFFECTS
MARIA DEL PILAR PONCE-JIMÉNEZ, FERNANDO A. LÓPEZ-DELLAMARY TORAL, & EZEQUIEL DELGADO FORNUÉ
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SOURCES OF MATERIALSFilter paper
Whatman no. 1 Catalogue number H-06648-17 Equipar, S.A. de C.V. Juan Sánchez Azcona No. 1447 Colonia del Valle, delegación Benito Juárez Mexico, D.F. C.P. 03100Cellulose ethers
Methocel F4M Premium CMC and MC Droguería Cosmopolita S.A. de C.V. Av. Revolución No. 1080 Col. Mixcoax Mexico City, MexicoChitosan
The chitosan was prepared from shrimp shells by the Chemical Laboratory of the Karl Augustin Grellman Institute of Wood, Cellulose, and Paper, University of Guadalajara. Autopista Guadalajara-Nogales, kilómetro 15.5 Las Agujas Municipio de Zapopan, Jalisco, Mexico Apartado Postal 52-93, C.P. 45020, Zapopan, Jalisco, MexicoRoll hand-coater
RK Print-Coat Instruments Ltd. Royston Herts 5G8 OQZ, U.K.Viscometer
Brookfield Engineering Laboratories 240 Cushing St. Stoughton, Mass. 02072
MARIA DEL PILAR PONCE-JIMÉNEZ received her biology degree from the National Autonomic University of Mexico and her master's degree from the University of Guadalajara with a specialty in cellulose and paper. Since 1990, she has been professor of conservation and restoration of paper and graphic documents at the National School of Conservation and Restoration and Museography at the Manuel del Castillo Negrete Institute of the National Institute of Anthropology and History (INAH) in Veracruz, Mexico. She also develops methods of teaching, application, and investigation in the field of paper conservation. Address: Centro INAH Veracruz, Benito Juárez No. 425 y 431, Zona Centro, C.P. 91700, Veracruz, Veracruz, Mexico.
FERNANDO A. LÓPEZ-DELLAMARY TORAL received his B.S. from the National Autonomic University of Mexico and his Ph.D. from the University of Wisconsin at Madison. He is a professor of chemistry and analytical chemistry at the University of Guadalajara; chief of the chemistry laboratory at the University of Guadalajara's Karl Augustin Grellman Institute of Wood, Cellulose, and Paper; and director of investigation projects on paper technology, biochemistry, and forestry engineering. Address: Departamento de Madera, Celulosa y Papel Karl Augustin Grellman, Apartado Postal 52–93, C.P. 45020, Zapopan, Jalisco, Mexico.
EZEQUIEL DELGADO FORNUÉ received his B.S. in chemical engineering from the University of Guadalajara, his master's degree from the Karl Augustin Grellman Institute of Wood, Cellulose, and Paper at the University of Guadalajara, and his Ph.D. from University of Washington, Seattle, Washington, specializing in polymer chemistry and fiber science. He is a professor and researcher at the Karl Augustin Grellman Institute, specializing in chemical modification of fibers and polymers—natural and synthetic— and bioactive compounds such as chitosan. Address: Departamento de Madera, Celulosa y Papel Karl Augustin Grellman, Apartado Postal 52–93, C.P. 45020, Zapopan, Jalisco, Mexico.