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Miscibility of poly(2,6-dimethyl-1,4-phenylene oxide) with styrene-2,2,6,6-tetramethylpiperidinyl methacrylate copolymers

โœ Scribed by S.H. Goh; S.Y. Lee

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
222 KB
Volume
23
Category
Article
ISSN
0014-3057

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โœฆ Synopsis

The miscibility of poly(2,6-dimethyl-l,4-phenylene oxide) (PPO) with various copolymers of styrene with 2,2,6,6-tetramethylpiperidinyl methacrylate (S TPMA) was studied by differential scanning calorimetry, While polystyrene (PS) is miscible with PPO at all compositions, S TPMA copolymer with low TPMA content is miscible with PPO only when the weight percentage of PPO in the blend is >/40%. S TPMA copolymer containing 36% of TPMA is immiscible with PPO at all compositions.

๐Ÿ“œ SIMILAR VOLUMES

Miscibility of bromobenzylated poly(2,6-
Miscibility of bromobenzylated poly(2,6-dimethyl-1,4-phenylene oxide) with polystyrene
โœ S.H. Goh; S.Y. Lee ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 281 KB

The methyl groups of poly(2,6-dimethyl-l,4-phenylene oxide) (PPO) were brominated to various extents. Bromobenzylated PPO (BrPPO) samples with degrees of bromination of 16, 37, 50, 69 and 76% were found to be miscible with polystyrene (PS) but BrPPO with a degree of bomination of 92% was immiscible