Reactions de decomposition thermooxydante des polymeres d'episulfures

Machon, J.P.; Mariage, A.; Philippe, T.

doi:10.1016/0014-3057(73)90131-6

European Polymer Journal

1973

DOI: 10.1016/0014-3057(73)90131-6

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Reactions de decomposition thermooxydante des polymeres d'episulfures

J.P. Machon¹,

A. Mariage²,

T. Philippe³

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Cited by 2 publications

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Poly(propylene sulfoxide) — a first approach to a dipolar aprotic, water‐soluble and reactive polymer

Orgeret‐Ravanat¹,

Galin²

1988

Makromol. Chem.

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2017Poly(propy1ene sulfoxide) -A first approach to a dipolar aprotic, water-soluble and reactive polymer SUMMARY:= 1 -2 . lo') to its corresponding sulfoxide (PPSO) is studied under a variety of experimental conditions: m-chloroperbenzoic acid in homogeneous chloroform solution ( -7 "C) and hydrogen peroxide or bromine in an interfacial chloroform-water system (20°C) lead to selective and quantitative oxidation under stoichiometric conditions with simultaneous chain degradation (M, (PPSO) = 0,5 -3 . lo4).The high density of sulfoxide functions affords to the PPSO chain a number of specific properties such as: a) solubility in dipolar protic (CH30H, CHC1, . . .) and aprotic (DMF, DMSO) solvents, the polymer coils being, however, strongly associated in aqueous solution, b) strong polarity of the bulk polymer, as shown by an "apparent local dipole moment" of about 4,l D, c) poor thermal stability, degradation starting at about 130°C under nitrogen, with a weight loss of 50% at 160°C (apparent activation energy E, = I 0 0 kJ . mol-I).The oxidation of atactic poly(2-methylthiirane) (PPS,

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Poly(propylene sulfoxide) — a first approach to a dipolar aprotic, water‐soluble and reactive polymer

Orgeret‐Ravanat¹,

Galin²

1988

Makromol. Chem.

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A review of oxygen uptake techniques for measuring polyolefin oxidation

Scheirs¹,

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Billingham

1995

Polymer Testing

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Reactions de decomposition thermooxydante des polymeres d'episulfures

Cited by 2 publications

References 8 publications

Poly(propylene sulfoxide) — a first approach to a dipolar aprotic, water‐soluble and reactive polymer

Poly(propylene sulfoxide) — a first approach to a dipolar aprotic, water‐soluble and reactive polymer

A review of oxygen uptake techniques for measuring polyolefin oxidation

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