Dendritic polyester macromolecule in thermosetting resin matrix
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United States of America Patent
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Jul 25, 2000
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app pub date -
Nov 3, 1997
filing date -
Dec 21, 1994
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Abstract
A partially or fully cured thermosetting product which includes a cured and molded product of a thermosetting composition. The composition includes 70% to 99% by weight of at least one thermosetting resin or compound and 1% to 30% by weight of at least one toughening agent. The toughening agent is at least one hyperbranched dendritic macromolecule formed of ester units, optionally in combination with ether units.
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