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- Title
Effect of nanoCaCO<sub>3</sub> on crystallisation behaviour of LLDPE studied by SALS.
- Authors
Liu, Y. X.; Li, G. X.; Yang, Q.; Feng, Y. L.; Mao, Y. M.
- Abstract
The effect of nanoCaCO3 on crystallisation behaviour of linear low density polyethylene (LLDPE) was investigated through time resolved small angle light scattering (SALS). The results indicate that the spherulite size of LLDPE is influenced in the presence of nanoCaCO3. In case the LLDPE and composites were crystallised at room temperature, the spherulite size of LLDPE composites is smaller than that of LLDPE. Also, the contents of the nanoCaCO3 (20·0–30·0 wt-%) could influence the structure of spherulite. The spherulite size of LLDPE is also influenced by the crystallisation temperature. When the crystallisation temperature is increased to 85°C, the spherulite size of LLDPE is remarkably affected by the contents of nanoCaCO3. At isothermal crystallisation temperature of 85°C, the crystallisation induction time of LLDPE is greatly shortened in the presence of nanoCaCO3. Furthermore, there is an orientation fluctuation emerging in the early stage of crystallisation in LLDPE containing 2·0 wt-% nanoCaCO3.
- Subjects
LOW density polyethylene; CALCIUM carbonate; CRYSTALLIZATION; LIGHT scattering; COMPOSITE materials
- Publication
Plastics, Rubber & Composites, 2007, Vol 36, Issue 7/8, p332
- ISSN
1465-8011
- Publication type
Article
- DOI
10.1179/174328907X237557