Nanocomposites of cellulose and clay

Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing

Reexamination Certificate

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C106S164300, C106S200100, C106S200200, C106S200300, C106S204300

Reexamination Certificate

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06893492

ABSTRACT:
This invention relates to a process of forming a nanocomposite of cellulose with a clay material that is used as the nanofiller material. The nanocomposites show significant improvements in thermal properties when compared to unbleached cotton and cotton processed under conditions for nanocomposite preparation. The degradation temperature of these nanocomposites is significantly increased over that of unbleached cotton.

REFERENCES:
Zaikov et al, “Ecological issue of polymer flame retardancy”, Journal of Applied Polymer Science, vol. 86 (10) pp. 2449-2462, Dec. 5, 2002.*
Nutt et al, “Symposium T Polymer Nanocomposites”, Materials Reasearch Society, Apr. 2002.*
Ruan et al, “Structure and properties of regenerated cellulose/tourmaline nanocrystal composite films” Journal of Polymer Science Part B; Polymer Physics, vol. 42 (3), pp 367-373, Dec. 2003.*
Dougvan Wang et al., PVC-Clay Nanocomposites Preparation, Thermal and Mechanical Properties,Polymer Preprints 2001; 42(2),842, no date provided.
Jisheng Ma et al., Synthesis and Characterization of Polypropylene/Clay Nanocomposites,Journal of Applied Polymer Science, vol. 82, 3611-3617 (2001), no date provided.
Changchun Zeng et al., Poly(methyl methacrylate) and Polystyrene/Clay Nanocomposites Prepared by in-Situ Polymerization,Macromolecules 2001, 34, 4098-4103, no date provided.
Hiroyuki Matsum et al., Cellulosic Nanocomposites. II. Studies by Atomic Force Microscopy,Journal of Applied Polymer Science, vol. 78 2254-2261 (2000), no date provided.
Kazuhisa Yano et al, Synthesis and Properties of Polyimide-Clay Hybrid,Journal of Polymer Science: Part A: Polymer Chemistry, vol. 31, 2493-2498 (1993), no date provided.

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