XPS and SSIMS analysis of the surface chemical structure of poly(caprolactone) and poly(β-hydroxybutyrate-β-hydroxyvalerate) copolymers
✍ Scribed by M.C. Davies; M.A. Khan; R.D. Short; S. Akhtar; C. Pouton; J.F. Watts
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 633 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0142-9612
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## Abstract The air‐side surface composition of a series of poly(ε‐caprolactone)–perfluoropolyether–poly(ε‐caprolactone) triblock copolymers with different compositions and block lengths have been studied by angle‐dependent X‐ray photoelectron spectroscopy (XPS). The weight percentage of the perflu
In this study, we have prepared poly([ R,S ] -b-hydroxybutyrate) (P( [ R,S ] -b-HB) or PHB) from [ R,S ] -b-butyrolactone ( [ R,S ] -b-BL), using diþ erent aluminoxane catalyst systems (triethylaluminium/water, triisobutylaluminium/water, trioctylaluminium/water and tetraisobutyldialuminoxane/water)