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Ionomeric polyblends of zinc salts of maleated EPDM rubber and poly(ethylene-co-acrylic acid). II. Effect of zinc stearate on processability

✍ Scribed by Prince Antony; A. K. Bhattacharya; S. K. De

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 198 KB
Volume: 71
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19990222)71:8<1257::aid-app6>3.0.co;2-s

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✦ Synopsis

Rheological properties of the ionomeric polyblends of zinc salts of maleated ethylene propylene diene monomer (EPDM) rubber and poly(ethylene-co-acrylic acid) were studied using a Monsanto Processability Tester. The ionomeric polyblend exhibits higher melt viscosity than the corresponding nonionomeric polyblend. Besides reduction in the melt viscosity of the ionomeric polyblend, zinc stearate increases the tensile strength and elongation at break of the ionomeric polyblend. Reprocessability studies reveal the thermoplastic elastomeric nature of the blend.

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