11.
    发明专利
    未知

    公开(公告)号:DE69120497T2

    公开(公告)日:1996-12-05

    申请号:DE69120497

    申请日:1991-10-25

    Inventor: OGALE KUMAR

    Abstract: Disclosed is a film or sheet material comprising a blend of (1) a crystalline propylene polymer composition which is comprised of, by weight, (A) from about 30 to 65% of a copolymer of propylene with a C4-8 alpha-olefin containing from 80 to 98% propylene, and (B) 35-70% of a co- or terpolymer of propylene with ethylene and, optionally, a C4-8 alpha-olefin having an ethylene content of 5 to 10% when ethylene is the sole comonomer and an ethylene content of 0.5 to 5% and a C4-8 alpha-olefin content of 1 to 9.5% when both ethylene and a C4-8 alpha-olefin are used as comonomers, and (2) an olefin polymer.

    12.
    发明专利
    未知

    公开(公告)号:AT139794T

    公开(公告)日:1996-07-15

    申请号:AT91118207

    申请日:1991-10-25

    Inventor: OGALE KUMAR

    Abstract: Disclosed is a film or sheet material comprising a blend of (1) a crystalline propylene polymer composition which is comprised of, by weight, (A) from about 30 to 65% of a copolymer of propylene with a C4-8 alpha-olefin containing from 80 to 98% propylene, and (B) 35-70% of a co- or terpolymer of propylene with ethylene and, optionally, a C4-8 alpha-olefin having an ethylene content of 5 to 10% when ethylene is the sole comonomer and an ethylene content of 0.5 to 5% and a C4-8 alpha-olefin content of 1 to 9.5% when both ethylene and a C4-8 alpha-olefin are used as comonomers, and (2) an olefin polymer.

    RESILIENT, HIGH SHRINKAGE PROPYLENE POLYMER YARN AND ARTICLES MADE THEREFROM

    公开(公告)号:CA2475412C

    公开(公告)日:2006-10-31

    申请号:CA2475412

    申请日:1993-01-22

    Abstract: Disclosed are propylene polymer material fibers, yarns, pile fabrics and carpets capable of increased resiliency and shrinkage. The fibers are made of propylene polymer material optionally blended with polypropylene homopolymer. The propylene polymer material is: (I) (a) a random crystalline terpolymer of propylene, ethylene and a C4-C8 alpha-olefins; (b) a random crystalline propylene polymer composition comprising: (1) a copolymer of propylene with a C4-C8 alpha-olefin; and (2) a copolymer of propylene, ethylene and optionally a C4-C8 alpha-olefin; (c) a combination of: (1) a random crystalline terpolymer of propylene, ethylene and C4-C8 alpha-olefin; (2) a copolymer of propylene with a C4-C8 alpha-olefin; and (3) a copolymer of ethylene with a C4-C8 alpha-olefin; (d) a random crystalline propylene polymer comprising a small amount of ethylene or a C4-C8 alpha-olefin or (II) a heterophasic polyolefin composition comprising (a) 90-55 % of polypropylene homopolymer and (b) 10-45 % of an elastomeric copolymer of propylene with ethylene or a C4-C8 alpha-olefin.

    17.
    发明专利
    未知

    公开(公告)号:DE69318735T2

    公开(公告)日:1998-11-19

    申请号:DE69318735

    申请日:1993-01-23

    Abstract: Polyolefin yarn capable of increased resiliency and shrinkage comprising continuous strand of multiple monofilament fibers or staple fibers of propylene polymer material optionally blended with polypropylene homopolymer, said propylene polymer material selected from the group consisting of, amounts expressed as weight %: (I) (a) random crystalline terpolymer consisting essentially of from about 96.0% to about 85.0% of propylene, from about 1.5% to about 5.0% ethylene and from about 2.5% to about 10.0% of an olefin selected from the group consisting of C4-C8 alpha-olefins; and (b) compositions of random crystalline propylene polymers comprising: (1) from about 30 to about 65% of a copolymer of from about 80 to about 98% propylene with a C4-C8 alpha-olefin; and (2) from about 35 to about 70% of a copolymer of propylene and ethylene and optionally from about 2 to about 10% of a C4-C8 alpha-olefin; said copolymer containing from about 2 to about 10% ethylene when said C4-C8 alpha-olefin is not present and from about 0.5 to about 5% ethylene when said C4-C8 alpha-olefin is present; and (c) compositions of random crystalline propylene polymers in combination with a predominantly ethylene copolymer consisting essentially of: (1) about 15-35% of a terpolymer of from about 90-93% propylene and about 2-3.5% ethylene and about 5-6% C4-C8 alpha-olefin; and (2) about 30-75% of a copolymer of from about 80-90% propylene with a C4-C8 alpha-olefin; and (3) about 20-60% of a copolymer of from about 91-95% ethylene with a C4-C8 alpha-olefin; and (d) random crystalline propylene polymer comprising from about 1.5 to about 20.0 weight percent ethylene or a C4-C8 alpha-olefin; and blends of (a), (b), (c) or (d); or (II) (a) 90-55 parts polypropylene homopolymer having an isotactic index greater than 90 and/or crystalline copolymer of propylene with (i) ethylene and/or (ii) an alpha -olefin of formula CH2=CHR, where R is a C2-C6 alkyl radical, comprising less than 10% of ethylene and/or alpha -olefin; and (b) 10-45 parts of an elastomeric copolymer of propylene with comonomers of ethylene and/or an alpha -olefin of formula CH2=CHR, where R is a C2-C6 alkyl radical containing from 50 to 70 parts by weight of comonomers, and from 10 to 40% by weight insoluble in xylene at ambient temperature. Composition (c) also can be prepared by blending, after polymerization, component (c)(3) with polymerized composition comprising components (c)(1) and (c)(2). Fabric, especially pile fabric such as carpeting is disclosed which is made from the resilient yarn and has improved appearance retention properties.

    18.
    发明专利
    未知

    公开(公告)号:ES2118841T3

    公开(公告)日:1998-10-01

    申请号:ES93101038

    申请日:1993-01-23

    Abstract: Polyolefin yarn capable of increased resiliency and shrinkage comprising continuous strand of multiple monofilament fibers or staple fibers of propylene polymer material optionally blended with polypropylene homopolymer, said propylene polymer material selected from the group consisting of, amounts expressed as weight %: (I) (a) random crystalline terpolymer consisting essentially of from about 96.0% to about 85.0% of propylene, from about 1.5% to about 5.0% ethylene and from about 2.5% to about 10.0% of an olefin selected from the group consisting of C4-C8 alpha-olefins; and (b) compositions of random crystalline propylene polymers comprising: (1) from about 30 to about 65% of a copolymer of from about 80 to about 98% propylene with a C4-C8 alpha-olefin; and (2) from about 35 to about 70% of a copolymer of propylene and ethylene and optionally from about 2 to about 10% of a C4-C8 alpha-olefin; said copolymer containing from about 2 to about 10% ethylene when said C4-C8 alpha-olefin is not present and from about 0.5 to about 5% ethylene when said C4-C8 alpha-olefin is present; and (c) compositions of random crystalline propylene polymers in combination with a predominantly ethylene copolymer consisting essentially of: (1) about 15-35% of a terpolymer of from about 90-93% propylene and about 2-3.5% ethylene and about 5-6% C4-C8 alpha-olefin; and (2) about 30-75% of a copolymer of from about 80-90% propylene with a C4-C8 alpha-olefin; and (3) about 20-60% of a copolymer of from about 91-95% ethylene with a C4-C8 alpha-olefin; and (d) random crystalline propylene polymer comprising from about 1.5 to about 20.0 weight percent ethylene or a C4-C8 alpha-olefin; and blends of (a), (b), (c) or (d); or (II) (a) 90-55 parts polypropylene homopolymer having an isotactic index greater than 90 and/or crystalline copolymer of propylene with (i) ethylene and/or (ii) an alpha -olefin of formula CH2=CHR, where R is a C2-C6 alkyl radical, comprising less than 10% of ethylene and/or alpha -olefin; and (b) 10-45 parts of an elastomeric copolymer of propylene with comonomers of ethylene and/or an alpha -olefin of formula CH2=CHR, where R is a C2-C6 alkyl radical containing from 50 to 70 parts by weight of comonomers, and from 10 to 40% by weight insoluble in xylene at ambient temperature. Composition (c) also can be prepared by blending, after polymerization, component (c)(3) with polymerized composition comprising components (c)(1) and (c)(2). Fabric, especially pile fabric such as carpeting is disclosed which is made from the resilient yarn and has improved appearance retention properties.

    PROCESS FOR THE PREPARTAION OF FILM OR SHEET BASIC MATERIAL AND FILM OR SHEET PRODUCT COMPRISING SAME

    公开(公告)号:HU214306B

    公开(公告)日:1998-03-02

    申请号:HU305991

    申请日:1991-09-25

    Inventor: OGALE KUMAR

    Abstract: Disclosed are films or sheets comprising an olefin polymer composition which is comprised of (a) from about 10 to 50 parts of a propylene homopolymer having an isotactic index greater than 80, or a copolymer of propylene with ethylene and/or an another alpha-olefin, containing over 80% propylene and having an isotactic index greater than 80; (b) from about 5 to 20 parts of a semi-crystalline copolymer fraction, which copolymer is insoluble in xylene at room or ambient temperature; and c) from about 40 to 80 parts of a copolymer fraction of ethylene with propylene and/or another alpha-olefin, and optionally with minor amounts of a diene, said copolymer fraction containing less than 40% ethylene and/or other alpha-olefin, being soluble in xylene at room temperature, and having an intrinsic viscosity from 1.5 to 4 dl/g. Coextruded films or sheets and laminates wherein at least one layer is a film or sheet as described above, and films or sheets of blends of the olefin polymer composition and another olefin polymer are also disclosed.

    OLEFIN POLYMER FILMS
    20.
    发明专利

    公开(公告)号:CA2052402C

    公开(公告)日:1995-12-19

    申请号:CA2052402

    申请日:1991-09-27

    Inventor: OGALE KUMAR

    Abstract: Disclosed are films or sheets comprising an olefin polymer composition which is comprised of (a) from about 10 to 50 parts of a propylene homopolymer having an isotactic index greater than 80, or a copolymer of propylene with ethylene and/or an another alpha-olefin, containing over 80% propylene and having an isotactic index greater than 80; (b) from about 5 to 20 parts of a semi-crystalline copolymer fraction, which copolymer is insoluble in xylene at room or ambient temperature; and c) from about 40 to 80 parts of a copolymer fraction of ethylene with propylene and/or another alpha-olefin, and optionally with minor amounts of a diene, said copolymer fraction containing less than 40% ethylene and/or other alpha-olefin, being soluble in xylene at room temperature, and having an intrinsic viscosity from 1.5 to 4 dl/g. Coextruded films or sheets and laminates wherein at least one layer is a film or sheet as described above, and films or sheets of blends of the olefin polymer composition and another olefin polymer are also disclosed.

Patent Agency Ranking