ISSN:
0025-116X
Keywords:
Chemistry
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Physics
Notes:
The glass transition temperatures Tg of homogeneous binary blends of the homo- and the statistical copolymers of the system poly(styrene-co-methyl methacrylate) were studied. Some of the blends, which are in the equilibrium phase separated, were forced into homogeneity. Tg (φ) of the homopolymer blends (PS/PMMA)φ follows the Fox equation, while Tg (x) of the pure copolymers P(SxMMA1 - x) exhibits a minimum. This minimum can be effectively removed by blending the copolymers with small fractions (φ ≈ 0,2) of one of the two homopolymers or a differently composed copolymer P(SyMMA1 - y).
Additional Material:
7 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/macp.1988.021890721