[의류제품] Dynamic Moisture Vapor Transfer Through Textiles Part III: Effect of Film Characteristics on Microclimate Moisture and Temperature Changes 출판일 : 1999.03.01 저자 : J.O. Kim 서지사항 : Textile Research Journal, Volume 69, No 3(1999), 193-202 페이지 등록일 : 2012.11.16 I 조회수 : 127 작성자 : admin |
This study investigates the influence of semipermeable functional films on the sur face vapor
pressure and temperature of fabric-film-fabric assemblies. The film added between two
fabric layers affects vapor pressure and temperature changes on both surfaces of the
assembly under simulated body-clothing conditions. The physical char acteristics of films
greatly influence the level of transient, comfort-related variables such as changes of inner
surface vapor pressure and temperature. Mixed cotton and polyester layers of a film reveal
that the film can negatively affect moisture sorption of the assembly, not only by blocking the
air spaces for moisture diffusion, but more importantly, by ineffective heat dissipation from
the cotton inner fabric for continued moisture sorption. Using film and fabric assemblies, this
study reinforces the interde pendence of moisture sorption and temperature barrier effects
during dynamic moisture transfer through clothing assemblies. Fiber hygroscopicity of the
layered fabrics and physical properties of breathable waterproof film are more important than
the hygro scopicity of film in determining comfort performance of multilayer functional clothing
in transient conditions.
|