Method to adhere thermoplastic elastomer blends to polyester substrates
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United States of America Patent
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Mar 11, 1997
Grant Date -
N/A
app pub date -
Dec 18, 1995
filing date -
Dec 24, 1994
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Abstract
A method to adhere thermoplastic elastomer blends comprising (a) at least one thermoplastic polyolefin, (b) at least one non-cured, partially cured or fully cured elastomer or blends thereof, (c) a functionalized polyolefin and (d) optionally additives, to a polyester substrate, said method comprising the steps of treating the substrate with a blocked di-isocyanate in aqueous dispersion, or subsequently or simultaneously treating the substrate with a blocked di-isocyanate and an epoxy resin in aqueous dispersion/emulsion, applying the thermoplastic elastomer blend to the treated substrate and bonding the thermoplastic elastomer blend to the surface of the substrate using heat and pressure. The invention further relates to shaped articles obtainable by said process.
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