Journal
POLYMER
Volume 42, Issue 10, Pages 4777-4780Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0032-3861(00)00634-0
Keywords
toughening thermoplastic; brittle-tough transition; stiffness
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The effect of the elastomer stiffness on brittle-tough transition in elastomer toughening thermoplastics was quantitatively studied. A correlation between brittle-tough transition temperature and the elastomer stiffness was obtained. The calculation from this correlation showed that the brittle-tough transition temperature (T-bt) Of elastomer toughening thermoplastics slowly increased up to one tenth of the modulus of matrix, thereafter it increased rapidly with increasing the modulus of elastomer. The results indicated that the modulus of the elastomer must be one-tenth or less of that of the matrix in order to be effective at low temperature. (C) 2001 Elsevier Science Ltd. All rights reserved.
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