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Carbon‐13 NMR high‐resolution study at solid of polyamide 6/PPO blends containing compatibilizer‐block copolymer and polycarbonate
Author(s) -
Costa Dilma Alves,
Silva Edemilson P.,
Oliveira Clara Marize F.,
Tavares Maria Inês B.
Publication year - 1997
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19970523)64:8<1635::aid-app20>3.0.co;2-v
Subject(s) - copolymer , polyamide , materials science , polycarbonate , polymer blend , magic angle spinning , polymer chemistry , compatibilization , propylene oxide , composite material , chemical engineering , polymer , nuclear magnetic resonance spectroscopy , ethylene oxide , organic chemistry , chemistry , engineering
Two types of blends containing polyamide 6 and poly(propylene oxide) (PPO) were prepared. One of them was mixed with polycarbonate (PC) in a Brabender mixer. The other one was prepared in solution with the block copolymer as the interfacial agent. The blends were analyzed by 13 C nuclear magnetic resonance techniques at solid state, such as: magic angle spinning (MAS); cross‐polarization MAS, and variable contact time experiment. It was observed that the addition of PC in the nylon 6/PPO system causes a hardening of it, which can be attributed to strong links, like a hydrogen bond. The ideal quantity of block copolymer added to a blend to improve the compatibility is between 5 and 10%. An increase of the quantity of this agent probably makes it act as a third component. Therefore, both PC and block copolymer can be used as an interfacial agent for nylon 6/PPO blends in an ideal composition. © 1997 John Wiley & Sons, Inc. J Appl Polym Sci 64: 1635–1640, 1997