Tensile failure properties of some branched polyurethane elastomers
β Scribed by R.E. Whittaker
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 394 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0032-3861
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Novel type of mesogenic chain extenders used in this study are N,NΠ-bis(4hydroxyphenyl)-3,4,3Π,4Π-biphenyldicarboxyimide (BPDI) and N, NΠ-bis[4-(6-hydroxyhexyloxy) phenyl]-3,4,3Π,4Π-biphenyldicarboxyimide (BHDI). BHDI has a flexible spacer of 6-methylene units but BPDI does not. The liquid crystalli
## Abstract Thermoplastic polyurethane elastomers (TPUs) are prepared including different amounts of rosin in their composition. Rosin is used either as an additive, mixed in the TPU solutions, or as a reactant in the chainβextension step of polymer synthesis. The properties of the materials are st