A study on the intercalation and exfoliation of illite

A study on the intercalation and exfoliation of illite Illite particles were exfoliated from the illite-organics intercalation precursor in the ultrasound process. Four intercalating agents (glycerol, hydrazine hydrate, dimethyl sulfoxide, and urea) were selected to study the intercalation reaction for purified illite, thermal activated illite, and acidified illite and to prepare different illite-organics intercalation complexes. The resulting intercalation complexes and exfoliated illite were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), the zeta potential test, the particle size test and thermogravimetry analysis (TG). XRD results showed that the thermal activation and subsequent acidification treatment to exchange K+ in the interlayer of illite with H+ is a necessary condition for organic intercalation. FTIR and TG analysis confirmed the intercalation of four intercalating agents into the interlayer of illite. During the high-temperature ultrasonic treatment, the organic molecules were deintercalated from the interlayers of illite-organics intercalation complexes, leading to the separation of the illite layers. The d001 diffraction of illite in XRD patterns became broad and weak after ultrasonic treatment; this indicated the random orientation of illite platelets. Particle size analysis showed the exfoliated illite (IUE) from the illite-urea intercalation complex possessed the smaller particle diameter. SEM and TEM observation showed the particle size of IUE is 0.5–4 μm with a layer thickness of approximately 200–300 nm. Moreover, the exfoliation of illite layers exposed more internal layers with negative charge, leading to the decrease of zeta potential. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

A study on the intercalation and exfoliation of illite

Loading next page...
 
/lp/springer_journal/a-study-on-the-intercalation-and-exfoliation-of-illite-kH6l77ortO
Publisher
Springer Netherlands
Copyright
Copyright © 2016 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-016-2645-1
Publisher site
See Article on Publisher Site

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

Monthly Plan

  • Read unlimited articles
  • Personalized recommendations
  • No expiration
  • Print 20 pages per month
  • 20% off on PDF purchases
  • Organize your research
  • Get updates on your journals and topic searches

$49/month

Start Free Trial

14-day Free Trial

Best Deal — 39% off

Annual Plan

  • All the features of the Professional Plan, but for 39% off!
  • Billed annually
  • No expiration
  • For the normal price of 10 articles elsewhere, you get one full year of unlimited access to articles.

$588

$360/year

billed annually
Start Free Trial

14-day Free Trial