Process for making encapsulated micro-agglomerated core/shell ad

Details Process for making encapsulated micro-agglomerated core/shell ad Process for making encapsulated micro-agglomerated core/shell ad

1993-10-26

1995-08-15

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 80, 525 81, 525 82, 525 84, 525 85, 525902, C08L 5104, C08L 2706

Patent

active

054420121

ABSTRACT:
Core/shell additives, useful in modifying the processing and/or physical properties of poly(vinyl chloride) and other thermoplastic matrix polymers, are prepared separately at small particle sizes by emulsion polymerization, co-agglomerated, further encapsulated by a final shell, and isolated by spray-drying or coagulation. The isolated powders are readily re-dispersed to their original particle sizes in the matrix polymer.

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