Acetal-based compositions
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United States of America Patent
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Aug 28, 2007
Grant Date -
Oct 27, 2005
app pub date -
Apr 26, 2004
filing date -
Apr 26, 2004
priority date (Note) -
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Abstract
An acetal-based composition useful as a nucleating, gelling, thickening or clarifying agent is disclosed. The composition may be synthesized or provided in many different forms, including multicarbon diacetals formed from carbohydrates. Once synthesized, the compound may be employed as an additive in a plastic composition, such as (for example) a polypropylene copolymer. One structure of such an acetal-based composition is provided by the formula: ##STR00001## wherein: n is 0, 1 or 2; Ar.sub.1 and Ar.sub.2 are independently selected from substituted or unsubstituted aryl-containing groups; and R is selected from the group consisting of: alkenyls, alkyls, alkoxy, hydroxyl alkyls, and alkyl-halides.
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