Polymers capable of baromechanical and barochemical transduction
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United States of America Patent
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Jul 13, 1993
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N/A
app pub date -
Apr 22, 1991
filing date -
Apr 22, 1991
priority date (Note) -
Expired
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Abstract
A composition that expands against an exerted pressure, which comprises a polymeric material having an inverse temperature transition in the range of liquid water, wherein at least a fraction of the monomers in the polymer contain a hydrophobic group that is present in an amount sufficient to provide PdV/dS for the polymer of at least 0.2.degree. K. The composition can be used in a variety of different application to produce mechanical work or cause chemical changes in a sealed environment by varying the pressure on the composition, with the degree of mechanical or chemical change being controlled by selection of the number, hydrophobicity, and size of the hydrophobic group and the presence or absence of reactive functional groups in the polymer.
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