Effect of morphology on stress relaxation of polypropylene
โ Scribed by G. Attalla; I. B. Guanella; R. E. Cohen
- Publisher
- Society for Plastic Engineers
- Year
- 1983
- Tongue
- English
- Weight
- 443 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0032-3888
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## Abstract Blends of polypropylene (PP) with a copolymer of ethylene and octene (EOC) were studied. The effect of viscosity ratio of elastomer domains to the matrix PP ฮท~__d__~/ฮท~__m__~ (where subscript __d__ and __m__ designate dispersed phase and matrix, respectively) on fibril formation was inv
A series of notched impact tests were made to polypropylene PP materials of different crystalline morphology through a ลฝ . certain effective filled nucleating agent 0.1แ2 wt.% and subsequent heat-treatment. A maximum of impact strength exists at the 0.4 wt.% filled quantity of the nucleating agent.