Modified moldable urethane with tunable haptics
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United States of America Patent
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Mar 6, 2012
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app pub date -
May 14, 2009
filing date -
May 14, 2009
priority date (Note) -
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Abstract
The present invention relates to a slush moldable polymeric composition for forming a skin useable in interior trim components and methods of making the same. In at least one embodiment, the composition comprises a) from 50 to 99 wt. percent urethane elastomer, b) from 0.1 to 15 wt. percent propylene copolymer, c) from 0.1 to 25 wt. percent olefin modified thermoplastic, such as SEBS, and d) from 0.1 to 30 weight percent olefinic block copolymer, wherein the polymeric composition is slush moldable and vacuum formable. The modifiers include an olefin block copolymer (OBC) having a variable distribution of block lengths. The OBC is present in an amount from 0.1% to 30% of the total composition. The haptics of the polymeric composition is tunable by adjusting the amounts of the modifiers.
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