Effect of the functional group inhomogeneity of an in situ reactive compatibilizer on the morphology and rheological properties of immiscible polymer blends
SCIE
SCOPUS
- Title
- Effect of the functional group inhomogeneity of an in situ reactive compatibilizer on the morphology and rheological properties of immiscible polymer blends
- Authors
- Kim, JK; Yi, DK; Jeon, HK; Park, CE
- Date Issued
- 1999-05
- Publisher
- ELSEVIER SCI LTD
- Abstract
- The effect of the poly(acrylic acid) homopolymer [PAA] existing in poly(propylene-graft-acrylic acid) [PP-g-AA] on the morphology and rheological properties of a PP-g-AA and polystyrene [PS] blend with varying amounts of poly(styrene-ran-glycidyl methacrylate) [PS-GMA] was investigated. Two different PP-g-AAs, one with PAA, [PP-g-AA(O)] and the other without PAA, [PP-g-AA(T)], were used. We have shown that when the amount of PS-GMA is increased, the dispersed domain size of PP-g-AA(O) in the PP-g-AA(O)/PS blend does not decrease, even when the amount of PS-GMA in the blend is as large as 25 wt%. Conversely, the dispersed domain size of PP-g-AA(T) in the PP-g-AA(T)/PS blend does decrease gradually and reaches a steady value. However, the reduction in the dispersed domain size (D-r) for PP-g-AA(T) in the PP-g-AA (T)/PS blend with PS-GMA was just 30%. Here, D-r is defined by the dispersed domain size of the blend without PSGMA minus that with 15 wt% of PS-GMA divided by the former. The changes in rheological properties with the proportion of PS-GMA content in the PP-g-AA(T)/PS blend were different to those for the PP-g-AA(O)/PS blend, thus demonstrating that the presence of PAA significantly affects the rheological as well as the morphological blend properties. (C) Elsevier Science Ltd. All rights reserved.
- Keywords
- reactive compatibility; poly(propylene-graft-acrylic acid); functional group inhomogeneity; ACID)
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/20521
- DOI
- 10.1016/S0032-3861(98)00508-4
- ISSN
- 0032-3861
- Article Type
- Article
- Citation
- POLYMER, vol. 40, no. 10, page. 2737 - 2743, 1999-05
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- There are no files associated with this item.
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