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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Influence of Nanosized CaCO3 on the Dynamic Viscoelasticity of High Solid Content Paper Coating and the Surface Strength of Coated Paper
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 883-886)
Author(s): Yan-jun Tang, Engineering Research Center for Eco-Dyeing & Finishing of Textiles，Ministry of Education，Zhejiang Sci-Tech University, Hangzhou, China
You-ming Li, Engineering Research Center for Eco-Dyeing & Finishing of Textiles，Ministry of Education，Zhejiang Sci-Tech University, Hangzhou, China
Guo-xin Xue, Engineering Research Center for Eco-Dyeing & Finishing of Textiles，Ministry of Education，Zhejiang Sci-Tech University, Hangzhou, China
Abstract: In order to improve the application effect of nanosized CaCO3 particles in high solid content paper coating, surface modification of nanosized CaCO3 with zircoaluminate coupling agent and palmitic acid was carried out. The crystal form of prepared samples and particle size distribution of modified nanosized CaCO3 suspension was characterized. A comparative study on the influence of nanosized CaCO3, modified nanosized CaCO3 and microsized CaCO3 on the dynamic viscoelasticity of paper coating with 65% solid content and the surface strength of coated paper was made. The results showed that unmodified nanosized CaCO3 replacing microsized CaCO3 in paper coatings contributed great to the dynamic viscoelasticity of high solid content paper coating and the surface strength of coated paper. It was also inferred that surface modification process had significant effect on the application of nanosized CaCO3 in coated paper. The surface strength of coated paper can be greatly improved when nanosized CaCO3 modified with coupling agent and palmitic acid was added into paper coating.
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