Phromphen, P, Mao, N, Russell, SJ et al. (1 more author) (2015) Liquid permeation and water vapour transmission properties of a temperature-sensitive pvdf-g-nipaam barrier membrane. In: Proceeding of 15th Autex World textile Conference. 15th AUTEX World Textile Conference, 10-12 Jun 2015, Bucharest, ROMANIA. ISBN 978-606-685-276-0
Abstract
Both liquid chemical permeation rate of n-hexane and water vapour transmission rate (WVTR) of temperature sensitive polymer membranes made from N-isopropylacrylamide (NIPAAM) grafted Poly(vinylidene fluoride) (PVDF) copolymer (PVDF-g-NIPAAM) were studied in order to evaluate its potential utility as a smart barrier layer in chemical protective clothing. It is found that the breakthrough time in the chemical permeation test decreased when the copolymer membrane were produced in the mass ratio of NIPAAM:PVDF increased from 1:100 to 1:1, and the WVTR of the copolymer membranes made from higher concentrations of NIPAAM (i.e., 1:1 and 1:10 for the mass ratio of NIPAAM:PVDF) at the environmental temperature (40°C) higher than the LCST of NIPAAM (32°C) was markedly greater than that at the environmental temperature (20°C) lower than the LCST of NIPAAM, it is believed that such characteristics is related to both the porous structure of the and the proportion of NIPAAM in the copolymers.
Metadata
Item Type: | Proceedings Paper |
---|---|
Authors/Creators: |
|
Keywords: | temperature sensitivity polymer; water vapour transmission rate; permeation rate; PVDF; NIPAAM |
Dates: |
|
Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Arts, Humanities and Cultures (Leeds) > School of Design (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 03 Jul 2015 11:01 |
Last Modified: | 19 Dec 2022 13:31 |
Status: | Published |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:87721 |