Propylene polymer particle method of producing the same and use thereof
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United States of America Patent
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Jul 22, 2008
Grant Date -
Oct 5, 2006
app pub date -
Aug 20, 2004
filing date -
Aug 22, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a propylene random copolymer which satisfies the following requirements [1] to [4], and to various useful molded products obtained by molding the propylene random copolymer: [1] the concentration (Pa, % by mole) of a skeletal constituent derived from propylene (a), and the concentration (Px, % by mole) of a skeletal constituent derived from at least one olefin selected from ethylene (b) and .alpha.-olefins having 4 to 20 carbon atoms (c), each of which is contained in the propylene random copolymer, satisfy the following relational expressions (Eq-1) to (Eq-3): 85.ltoreq.Pa<100 (Eq-1) 0
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