Flexibilized resorcinolic novolak resins and method of making same
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United States of America Patent
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Mar 27, 2007
Grant Date -
Jul 29, 2004
app pub date -
Dec 12, 2003
filing date -
Dec 13, 2002
priority date (Note) -
Expired
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Abstract
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a mixture thereof. An aldehyde (different from the unsaturated aldehyde and the aliphatic dialdehyde) is either simultaneously or subsequently added to the reaction mixture. The flexibilized resorcinolic novolak resin can be used in an adhesive composition for enhancing the adhesion between tire cords and rubber for tire applications.
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