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Miscible blends of poly(N,N-dimethylacrylamide) with five halogen-containing polymethacrylates

✍ Scribed by S.M. Low; S.Y. Lee; S.H. Goh

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
300 KB
Volume
30
Category
Article
ISSN
0014-3057

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✦ Synopsis

The miscibility of poly(N,N-dimethylacrylamide) (PDMA) with five halogen-containing polymethacrylates was studied by differential scanning calorimetry and Fourier-transform i.r. spectroscopy (FTIR). PDMA is miscible with poly(chloromethyl methacrylate), poly(2-chloroethyl methacrylate), poly(3-chloropropyl methacrylate), poly(2-bromoethyl methacrylate) and poly(2-iodoethyl methacrylate) as shown by the existence of a single glass transition temperature in each blend. FTIR studies show that there are no changes in the position and shape of carbonyl bands of various polymethacrylates in the blends, but there are perceptible changes in the PDMA carbonyl bands. The results suggest that a hydrogen-bonding type interaction ()C-----O ... H---C--X) could exist in the blends.

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## Abstract **Summary:** This paper reports an FT‐IR study of blends and complexes of poly(mono __n__‐alkyl itaconates) with poly(__N__,__N__‐dimethylacrylamide) (PDMA) and poly(ethyloxazoline) (PEOX). Strong hydrogen bonding has been found and both polybases have shown similar acceptor strengths.