Synthesis of polyacrylic-acid-based thermochromic polymers

Jyoti Srivastava; Sarfaraz Alam; G. N. Mathur

doi:10.1117/12.514839

14 October 2003 Synthesis of polyacrylic-acid-based thermochromic polymers

Jyoti Srivastava, Sarfaraz Alam, G. N. Mathur

Author Affiliations +

Proceedings Volume 5062, Smart Materials, Structures, and Systems; (2003) https://doi.org/10.1117/12.514839
Event: Smart Materials, Structures, and Systems, 2002, Bangalore, India

Abstract

Smart materials respond to environmental stimuli with particular changes in some variables (for example temperature, pressure and electric field etc), for that reason they are often called responsive materials. In the present work, we have synthesized thermochromic polymer based on poly acrylic acid cobalt chloride (CoCl₂) and phosphoric acid (H₃PO₄) that visually and reversibly changes color in the temperature range (70 - 130°C). These thermochromic materials can be used as visual sensors of temperature. Thermochromic polymers are based on polyacrylic acid and CoCl₂ complex.

Citation Download Citation

Jyoti Srivastava, Jyoti Srivastava, Sarfaraz Alam, Sarfaraz Alam, G. N. Mathur, G. N. Mathur, "Synthesis of polyacrylic-acid-based thermochromic polymers", Proc. SPIE 5062, Smart Materials, Structures, and Systems, (14 October 2003); doi: 10.1117/12.514839; https://doi.org/10.1117/12.514839

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