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Study of compatibility of polystyrene with ethylene-propylene-diene rubber

✍ Scribed by S. Shaw; R.P. Singh

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

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✦ Synopsis

The compatibility of blends of polystyrene with ethylene-propylene--diene rubber was studied using an ultrasonic method. The variation of the velocity of ultrasonic wave with composition of the blend is not linear. This non-linearity is attributed to incompatibility in conformity with earlier findings. This behaviour was confirmed by viscometric and solutility parameter studies as well as investigation of morphology by scanning electron microscopy.

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Study on the relaxation of polystyrene, ethylene–propylene diene monomer, and the blends of polystyrene with ethylene–propylene diene monomer by thermally stimulated current
✍ Jing Sheng; Feng-kui Li; Jing Hu 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 167 KB 👁 2 views

A thermally stimulated current ( TSC ) was used to study the relaxation of polystyrene ( PS) , the ethylene -propylene diene monomer ( EPDM) , and the grafted copolymer of EPDM with styrene ( EPDM-g-St) . The effect of the measuring conditions on the relaxation of PS is discussed. Some relaxation pa