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Proceedings Paper

Synthesis of polyacrylic-acid-based thermochromic polymers
Author(s): Jyoti Srivastava; Sarfaraz Alam; G. N. Mathur
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Paper 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.

Paper Details

Date Published: 14 October 2003
PDF: 5 pages
Proc. SPIE 5062, Smart Materials, Structures, and Systems, (14 October 2003); doi: 10.1117/12.514839
Show Author Affiliations
Jyoti Srivastava, Defence Materials and Stores Research and Development Establishment (India)
Sarfaraz Alam, Defence Materials and Stores Research and Development Establishment (India)
G. N. Mathur, Defence Materials and Stores Research and Development Establishment (India)


Published in SPIE Proceedings Vol. 5062:
Smart Materials, Structures, and Systems
S. Mohan; B. Dattaguru; S. Gopalakrishnan, Editor(s)

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