CORE-SHELL COMPOSITE INORGANIC METAL OXIDES AND METHOD OF PREPARATION FOR PREVENTION OF THERMAL OXIDATIVE DEGRADATION IN POLYMER AND RESIN COMPOSITIONS

Title:

CORE-SHELL COMPOSITE INORGANIC METAL OXIDES AND METHOD OF PREPARATION FOR PREVENTION OF THERMAL OXIDATIVE DEGRADATION IN POLYMER AND RESIN COMPOSITIONS

Document Type and Number:

WIPO Patent Application WO/2015/157354

Kind Code:

A8

Abstract:

This invention relates to products of aqueous and other chemical synthetic routes for encapsulation of a core material with an inorganic shell and finished compositions of a core- shell particulate material for application in thermoplastic, thermoset, and coatings resins prior to compounding or application or subsequent thermal processing steps. Disclosed is a composition of particles containing a shell of inorganic oxides or mixed-metal inorganic oxides and a core material of complex inorganic colored pigment, laser direct structuring additives, laser marking, or other beneficial metal oxides, metal compounds, or mixed-metal oxide materials, wherein the shell material is comprised of any single oxide or combination of oxides is taught. Preferred elements of composition for the shell are oxides and silicates of B, Ni, Zn, Al, Zr, Si, Sn, Bi, W, Mo, Cr, Mg, Mn, Ce, Ti, and Ba (or mixtures thereof). Applications may include, but are not limited to, coatings or plastic articles or materials for molded interconnect devices, durable goods, housings, assemblies, devices, and articles that are to be exposed to additional thermal processing. The resulting core-shell materials function in plastic and coatings formulations by minimizing or eliminating detrimental interactions with the resins and metal containing additives resulting in loss of mechanical properties.

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Inventors:

MUSICK MICHAEL D (US)
WHITE JAMES P III (US)
ZIEMNIK DAVID (US)
KRÜGER ROBIN ALEXANDER (DE)
RÖSENER BERND (DE)
FENGLER MALTE SEBASTIAN (DE)

Application Number:

PCT/US2015/024809

Publication Date:

December 23, 2015

Filing Date:

April 08, 2015

Export Citation:

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Assignee:

SHEPHERD COLOR CO (US)

International Classes:

C09C3/06; C08K9/10; H05K3/18

Attorney, Agent or Firm:

GOLDSTEIN, Steven J. et al. (3300 Great American Tower301 East Fourth Stree, Cincinnati OH, US)

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