The breathability of composite materials reinforced with non-woven needle-punched fabric
https://doi.org/10.35164/0554-2901-2026-02-34-37
Abstract
The dependence of the air permeability coefficient on the degree of impregnation of composite materials obtained by impregnating highly porous non-woven needle-punched fabric with an aqueous dispersion of polyurethane was has been studied. Samples of composite materials were obtained by impregnating the fabric without squeezing between the calender rolls. Excess dispersion was removed by free flow from the sample on a grid. The permeability coefficient increases with the degree of impregnation from 0 to 0.6 and decreases with the degree of impregnation greater than 0.6. The increase in breathability of composite materials was associated with the fixation of fibers by polyurethane particles. The structure of composite materials with impregnation degrees of 0.60 and 1.32 was studied using electron microscopy.
About the Authors
V. K. Nguyen
A.N. Kosygin Russian State University
Russian Federation
Russian Federation
Moscow
O. V. Kozhevnikova
A.N. Kosygin Russian State University
Russian Federation
Russian Federation
Moscow
A. V. Dedov
Moscow Polytechnic University
Russian Federation
Russian Federation
Moscow
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Review
For citations:
Nguyen V.K., Kozhevnikova O.V., Dedov A.V. The breathability of composite materials reinforced with non-woven needle-punched fabric. Plasticheskie massy. 2026;1(2):34-37. (In Russ.) https://doi.org/10.35164/0554-2901-2026-02-34-37
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