Obertshausen - Warp knitted textiles can offer improved moisture buffering, better lining properties and more
comfortable interior cushioning than the use of foam in the manufacture of children?s car seats.
The perception of heat and moisture by
passengers in the car can be described by means of the thermophysiological seat
comfort. Basically, this property relates to climatic perception, and includes
factors such as thermal transmission during the journey, including when sitting
down, as well as moisture transport and buffering. Using ventilation effects
between the seat and the body to create a pleasant microclimate is the best way
of achieving optimum values.
Various test methods are used at testing
organisations such as the Hohenstein Institutes to measure the extent to which
these are successful. Four physiologically determined parameters are used to
describe the climatic seat comfort: initial heat flow as a perception of warmth
immediately after sitting down, breathability, which is expressed in terms of
the resistance to water vapour transmission, thermal insulation, and water
vapour buffering, which is a measure of the amount of water vapour absorbed by
the seat until it feels damp.
