SOFT THERMOPLASTIC ELASTOMER COMPOSITION
THE PRESENT INVENTION RELATES TO A SOFT, SEMICRYSTALLINE, THERMOPLASTIC ELASTOMER COMPOSITION WHICH IS COMPRISED OF (I) A HYDROPHOBIC THERMOPLASTIC BLOCK COPOLYRMER WHICH IS COMPRISED OF (I) THE REACTION PRODUCT OF (1) A HYDROPHOBIC POLYOL OR POLYAMINE, (2) A POLYISOCYANATE OR AN AROMATIC DICARBOXYL...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | THE PRESENT INVENTION RELATES TO A SOFT, SEMICRYSTALLINE, THERMOPLASTIC ELASTOMER COMPOSITION WHICH IS COMPRISED OF (I) A HYDROPHOBIC THERMOPLASTIC BLOCK COPOLYRMER WHICH IS COMPRISED OF (I) THE REACTION PRODUCT OF (1) A HYDROPHOBIC POLYOL OR POLYAMINE, (2) A POLYISOCYANATE OR AN AROMATIC DICARBOXYLIC ACID, AND (3) A CHAIN EXTENDER CONTAINING 2 TO 20 CARBON ATOMS, OR THE REACTION PRODUCT OF (1) A HYDROPHOBIC POLYOL OR POLYAMINE, AND (2) A CARBOXYL TERMINATED TELECHELIC POLYAMIDE SEQUENCE; WHEREIN THE HYDROPHOBIC POLYOL OR POLYAMINE HAS A NUMBER AVERAGE MOLECULAR WEIGHT IN THE RANGE OF FROM 1,000 TO 4,000 DALTONS; WHEREIN THE HYDROPHOBIC THERMOPLASTIC BLOCK COPOLYMER HAS A WEIGHT AVERAGE MOLECULAR WEIGHT IN THE RANGE OF 50,000 TO 1,000,000 DALTONS; AND (II) FROM 1 TO 80 WEIGHT PERCENT OF A MINERAL OIL, WHEREIN THE SOFT, SEMICRYSTALLINE, THERMOPLASTIC ELASTOMER COMPOSITION HAS A SHORE A HARDNESS WHICH IS WITHIN THE RANGE OF 20 TO 80. |
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