Fibers from poly(ethylene terephthalate) and poly(butylene terephthalate) blends I. Mechanical behavior

S. P. Mishra,

S. P. Mishra

Textile Technology Department, Indian Institute of Technology, New Delhi-110016, India

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B. L. Deopura,

B. L. Deopura

Textile Technology Department, Indian Institute of Technology, New Delhi-110016, India

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S. P. Mishra,

S. P. Mishra

Textile Technology Department, Indian Institute of Technology, New Delhi-110016, India

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B. L. Deopura,

B. L. Deopura

Textile Technology Department, Indian Institute of Technology, New Delhi-110016, India

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First published: 20 February 1987

https://doi.org/10.1002/app.1987.070330306

Citations: 14

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Abstract

Fibers prepared from poly(ethylene terephthalate) (PET) and poly(butylene terephthalate) (PBT) blends show a sharp decrease in tensile strength and modulus when blends are on the verge of phase segregation. The modulus values differ for homopolymers for their differences in chain configuration and methylene groups and that of the blends are in proportion. The experimental strength values are higher than the predicted values according to Paul's model for incompatible polymers. At 90/10 PET/PBT blend, the modulus is high, which may be a relative factor to the smaller crystal size of the components.

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Volume33, Issue3

20 February 1987

Pages 759-768

Fibers from poly(ethylene terephthalate) and poly(butylene terephthalate) blends I. Mechanical behavior

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Fibers from poly(ethylene terephthalate) and poly(butylene terephthalate) blends I. Mechanical behavior

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