Fabrication of TiO2-modified polytetrafluoroethylene ultrafiltration membranes via plasma-enhanced surface graft pretreatment

Fabrication of TiO2-modified polytetrafluoroethylene ultrafiltration membranes via... Article history: Surface hydrophilic modification of polymer ultrafiltration membrane using metal oxide represents an Received 13 August 2015 effective yet highly challenging solution to improve water flux and antifouling performance. Via plasma- Received in revised form 15 October 2015 enhanced graft of poly acryl acid (PAA) prior to coating TiO , we successfully fixed TiO functional thin 2 2 Accepted 6 November 2015 layer on super hydrophobic polytetrafluoroethylene (PTFE) ultrafiltration (UF) membranes. The char- Available online 12 November 2015 acterization results evidenced TiO attached on the PTFE-based UF membranes through the chelating 4+ bidentate coordination between surface-grafted carboxyl group and Ti . The TiO surface modification Keywords: ◦ ◦ may greatly reduce the water contact angle from 115.8 of the PTFE membrane to 35.0 without degra- Ultrafiltration dation in 30-day continuous filtration operations. The novel TiO /PAA/PTFE membranes also exhibited Polytetrafluoroethylene membrane excellent antifouling and self-cleaning performance due to the intrinsic hydrophilicity and photocata- Titanium dioxide (TiO ) lysis properties of TiO , which was further confirmed by the photo-degradation of MB under Xe lamp Plasma-induced graft polymerization 2 irradiation. © 2015 Elsevier B.V. All rights reserved. 1. Introduction Surface hydrophilic modification presents a viable solution to apply PTFE http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Fabrication of TiO2-modified polytetrafluoroethylene ultrafiltration membranes via plasma-enhanced surface graft pretreatment

Loading next page...
 
/lp/elsevier/fabrication-of-tio2-modified-polytetrafluoroethylene-ultrafiltration-QqXRtL5pm1
Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2015.11.059
Publisher site
See Article on Publisher Site

Abstract

Article history: Surface hydrophilic modification of polymer ultrafiltration membrane using metal oxide represents an Received 13 August 2015 effective yet highly challenging solution to improve water flux and antifouling performance. Via plasma- Received in revised form 15 October 2015 enhanced graft of poly acryl acid (PAA) prior to coating TiO , we successfully fixed TiO functional thin 2 2 Accepted 6 November 2015 layer on super hydrophobic polytetrafluoroethylene (PTFE) ultrafiltration (UF) membranes. The char- Available online 12 November 2015 acterization results evidenced TiO attached on the PTFE-based UF membranes through the chelating 4+ bidentate coordination between surface-grafted carboxyl group and Ti . The TiO surface modification Keywords: ◦ ◦ may greatly reduce the water contact angle from 115.8 of the PTFE membrane to 35.0 without degra- Ultrafiltration dation in 30-day continuous filtration operations. The novel TiO /PAA/PTFE membranes also exhibited Polytetrafluoroethylene membrane excellent antifouling and self-cleaning performance due to the intrinsic hydrophilicity and photocata- Titanium dioxide (TiO ) lysis properties of TiO , which was further confirmed by the photo-degradation of MB under Xe lamp Plasma-induced graft polymerization 2 irradiation. © 2015 Elsevier B.V. All rights reserved. 1. Introduction Surface hydrophilic modification presents a viable solution to apply PTFE

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2016

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve Freelancer

DeepDyve Pro

Price
FREE
$49/month

$360/year
Save searches from Google Scholar, PubMed
Create lists to organize your research
Export lists, citations
Access to DeepDyve database
Abstract access only
Unlimited access to over
18 million full-text articles
Print
20 pages/month
PDF Discount
20% off