𝔖 Bobbio Scriptorium
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Small angle scattering from ampholytic styrene ionomers

✍ Scribed by S. B. Clough; D. Cortelek; T. Nagabhushanam; J. C. Salamone; A. C. Watterson


Book ID
104520394
Publisher
Society for Plastic Engineers
Year
1984
Tongue
English
Weight
461 KB
Volume
24
Category
Article
ISSN
0032-3888

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✦ Synopsis


Abstract

Small angle neutron scattering experiments were made on an ionomer synthesized from perdeuterostyrene and an ion pair comonomer. A Debye plot based on data from the sample with lower ion concentration gave a correlation length of 5.3A. Clustering is not significant in this sample. With a higher concentration of ionic groups a peak in the scattering curve is interpreted as due to clusters about 20A in diameter. These studies along with X‐ray scattering and electron microscopy also indicate the presence of larger ion rich domains.


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## Abstract Block copolymers consisting of long styrene midblocks and much shorter 4‐vinyl pyridine end‐blocks were quaternized with __n__‐iodo alkanes (2 ≀ __n__ ≀ 10) to give block ionomers of a novel architecture. The name β€œbottlebrush” seems appropriate for these materials. A preliminary invest