System and method for producing, preparing, or manufacturing natural rubber-based ABS compositions, powders, substances, and/or additives
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United States of America Patent
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Jun 16, 2015
Grant Date -
Nov 29, 2012
app pub date -
May 25, 2011
filing date -
May 25, 2011
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Abstract
A process for producing natural rubber-based acrylonitrile butadiene styrene (ABS) powder. The process comprises introducing a portion of natural rubber, mixing divinylbenzene (DVB) with the portion of natural rubber to produce vulcanized natural rubber, mixing the vulcanized natural rubber with a monomer solution to produce grafted natural rubber, mixing a plurality of grafted polybutadiene rubbers with the grafted natural rubber to produce a latex masterbatch and mixing a coagulant to a portion of the latex masterbatch to produce natural rubber-based ABS powder. By mixing the DVB with the portion of natural rubber, an intermediate step which is required in conventional methods before the polymerization process, can be eliminated. A natural rubber-based acrylonitrile butadiene styrene (ABS) powder produced by the process is also disclosed.
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