Composition and processing effects on th
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S. A. Iobst; H. W. Cox
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Article
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1982
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Society for Plastic Engineers
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English
⚖ 624 KB
## Abstract A polyurethane consisting of a poly(propylene oxide) soft segment and a diphenylmethane diisocyanate—hydroquinone di‐(b̃‐hydroxyethyl) ether (HQEE) hard block has been characterized over the composition range of 30 to 60 percent hard block. The flexural modulus varied from 60 to 900 MPa