Using 70 mol % norbornene in the monomer mixture before polymerization, the influences of different polymerization conditions were studied. It was found that by increasing the temperature from 10 to 70ЊC, the yield increased and the molecular weight decreased; and when increasing the ethylene pressu
✦ LIBER ✦
Glass-transition temperature determination by microhardness in norbornene-ethylene copolymers
✍ Scribed by Rosario Benavente; Teresa Scrivani; Maria L. Cerrada; Galina Zamfirova; Ernesto Pérez; José M. Pereña
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 85 KB
- Volume
- 89
- Category
- Article
- ISSN
- 0021-8995
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## Abstract A reduction in the glass‐transition temperature (__T~g~__) was found for polyolefins chemically crosslinked by peroxide. This tendency, which was observed for low‐density and high‐density polyethylenes, was also validated for their blends with Ethylene Vinyl Acetate copolymer. It is pro