Reversibly heat stiffening suspension

Details Reversibly heat stiffening suspension Reversibly heat stiffening suspension

1995-02-13

1997-01-14

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524413, 524430, 524437, C08K 310

Patent

active

055940579

ABSTRACT:
The present invention provides a heat stiffening suspension, comprising: a polymer liquid; and solid particles, wherein said suspension is reversibly activated by temperature to change from a liquid-like state to a solid-like state. Also provided is a method of producing a heat stiffening suspension, wherein said suspension is reversibly activated by temperature to change from a liquid-like state to a solid-like state, comprising the step of contacting a polymer liquid with solid particles at an activating temperature. Further provided is a method of reversibly controlling the physical properties of particle-filled polymers from a fluid-like, viscous state to a solid-like, slightly elastic state in a reversible manner comprising the step of increasing the temperature of a mixture comprising a polymer liquid and solid particles to an activating temperature.

REFERENCES:
Choi and Krieger, "Rheological Studies on Sterically Stabilized Dispersions of Uniform Colloidal Spheres", J. Colloidal and Interface Science, 1986, 113 (1), 94-113.

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