✦ LIBER ✦

Influence of microstructure on dynamic mechanical property of emulsion blend containing heterocoagulated composite particles

✍ Scribed by Hyun-Jae Ha; Young-Jun Park; J. H. An; Jung-Hyun Kim

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 304 KB
Volume: 66
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19971205)66:10<1899::aid-app7>3.0.co;2-i

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✦ Synopsis

In this article, the dynamic mechanical properties of a multiphase system containing a dispersed phase with complex morphology is discussed with respect to the microstucture of the dispersed phase. The samples are prepared by emulsion blending of matrix particles (MP ) and particles for a dispersed phase that are obtained with heterocoagulation techniques. The heterocoagulated particles were prepared using two kinds of particles of different sizes: small negative particles ( SP) and large amphoteric particles ( LP ) , taking advantage of their opposite surface charge in the colloidal state. To vary compatibility between SP and LP, two kinds of small particles were used: poly ( methyl methacrylate -butyl acrylate-acrylic acid ) and poly( styrenebutyl acrylate -acrylic acid ) ( SP-M and SP-S ) . Dynamic mechanical behavior of simple blends composed of MP and SP were also measured to examine the effect of microstucture.

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