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Segmental orientation studies of block copolymers: 2. Non-hydrogen bonded polyurethanes

✍ Scribed by A.E. Allegrezza Jr; R.W. Seymour; H.N. Ng; S.L. Cooper

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
756 KB
Volume
15
Category
Article
ISSN
0032-3861

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✍ Claus D. Eisenbach; Hartmut Nefzger; Heidi Hayen; Volker Enkelmann πŸ“‚ Article πŸ“… 1994 πŸ› John Wiley and Sons 🌐 English βš– 748 KB

## Abstract Several molecularly uniform oligourethane model compounds for the hard segment of segmented polyurethane elastomers with piperazine (PIP) and tetramethylene bischloroformate based hard segments have been synthesized. X‐ray structure analysis was performed on single crystals with both co