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Solubility of a UV-stabiliser in some poly(ester-block-ether) copolymers

journal contribution
posted on 2023-06-07, 22:05 authored by L Lazare, N C Billingham
The solubility of a typical UV-absorbing stabiliser has been measured in a series of poly(ester-block-ether)s copolymers (PEBE) with different ratios of hard and soft blocks. The solubility is higher in the PEBEs than in polypropylene and increases with the amount of polyether in the PEBE. The composition dependence suggests that the additive is at least ten times more soluble in the soft polyether phase than in the semi-crystalline hard phase. A thermodynamic analysis in terms of regular solution theory shows that increased solubility is due to better compatibility of the additive with the polyether than with PP, mainly due to much more favourable heat of mixing. q 2000 Elsevier Science Ltd. All rights reserved.

History

Publication status

  • Published

Journal

Polymer

Issue

3

Volume

42

Page range

1001-1007

Department affiliated with

  • Chemistry Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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