Reversible polymer gel binders for powder forming

Details Reversible polymer gel binders for powder forming Reversible polymer gel binders for powder forming

1992-11-25

1997-02-11

Derrington, James

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...

264 63, 264344, 419 36, 419 37, 524404, 524413, 524424, 524428, 524439, 524440, 524441, C08L 9106

Patent

active

056021976

ABSTRACT:
Thermoplastic binder compositions comprising a high molecular weight polymer component and a molten wax component are compounded with sinterable ceramic or other inorganic powders. Upon cooling, a thermally reversible gel is formed in the binder by the gelation of the polymer in the molten wax. Ceramic batches comprising these binders behave as shear-thinning and thermally reversible gels. They exhibit substantially improved dewaxing performance and, preferably, extensibility sufficient for sheet reforming processes.

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Chemical Abstracts vol. 107, No. 26 (Dec. 1987) p. 298, Abs#241464n, Columbus, OH, [JP 62-197166 published 31 Aug. 1987].

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