✦ LIBER ✦

Adsorption of a functionalized polymer from dilute nonaqueous solutions by silica

✍ Scribed by A. Latiff Ayub; Samson S. M. Ling

Publisher: John Wiley and Sons
Year: 1990
Tongue: English
Weight: 315 KB
Volume: 41
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1990.070410133

No coin nor oath required. For personal study only.

✦ Synopsis

The adsorption of a functionalized styrene-butadiene (SB ) diblock copolymer from toluene solutions at 25OC onto silica of varying particle sizes was studied using thermogravimetric analysis. The copolymer was chemically modified by hydroformylation, and the adsorbate concentration ranged from 0 to 2% by weight. The modified copolymer was adsorbed by the silica particles, but the unmodified copolymer was not. The plateau adsorption was found to increase with silica surface area, and the level of surface coverage ranged from 0.4 to 0.8 mg/m2.

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