The phase behavior of blends of tetramethyl bisphenol-A polyarylate (TMPAr) with various linear aliphatic polyesters characterized by the ratio of aliphatic carbons to ester groups in the repeating unit, CH 2 /COO Γ 3 Γ 9, was examined by differential scanning calorimetry and dynamic mechanical anal
Phase behavior of blends of aliphatic polyesters with a vinylidene chloride/vinyl chloride copolymer
β Scribed by E. M. Woo; J. W. Barlow; D. R. Paul
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 417 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0021-8995
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A series of polymer blends of commercial poly(viny1 chloride) (suspension-polymerized powder) and an ethylene-vinyl acetate copolymer (EVA with 45 w t % VA) containing 2-10 wt % EVA were prepared by mixing at room temperature (0) and by milling at 160Β°C for 15 min (I) and then heat treated at 170Β°C
## SYNOPSIS X-ray photoelectron spectroscopy is used to study the surface segregation of siloxane in blends of poly(viny1 chloride) with siloxane-urethane-ethyleneoxide oligomers. At high concentrations of the oligomeric additive, the surface segregation of siloxane in the blends strongly depends
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