Material composition and method for its manufacture

Details Material composition and method for its manufacture Material composition and method for its manufacture

2011-01-04

2011-01-04

Zimmer, Marc S (Department: 1765)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S404000, C428S405000, C524S588000

Reexamination Certificate

active

07862894

ABSTRACT:
A material composition for play or modelling purposes includes a particulate material and a binder which is disposed as thin layers on the particles. T-he binder includes a hydroxy-terminated polymer cross-linked by a boron compound, in particular a silicone oil. The concentration of particles is 90-98 vol % of the finished composition. A method for producing the material composition includes placing the particles in a mixer, adding the hydroxyl-terminated polymer, in particular silicone oil, and distributing it as thin layers on the surfaces of the particles and, thereafter, adding a boron-containing cross-linking agent in solution and mixing so that a cross-linking of the polymer takes place and the viscosity increases.

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STN International, File CAPLUS, CAPLUS accession No. 2004:948484, document No. 142:220220, Xenon Technologies, Inc., “Preparation method of naturally-curing water-soluble clay for handicraft” & KR, A, 2003047136, 20030618.

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