POLYPROPYLENE COMPOSITION FOR NON-PRESSURIZED PIPES

    公开(公告)号:WO2019121777A1

    公开(公告)日:2019-06-27

    申请号:PCT/EP2018/085643

    申请日:2018-12-18

    IPC分类号: C08L23/12

    CPC分类号: C08L23/12 C08L2203/18

    摘要: The invention relates to a polypropylene composition comprising a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most (1.0) wt% based on the propylene-ethylene copolymer, wherein the amount of propylene homopolymer or propylene-ethylene copolymer is at least (98)wt%, for example at least (98.5)wt%, preferably at least (99)wt%, more preferably at least (99.5), for example at least (99.75)wt% based on the polypropylene composition, wherein the polypropylene composition has a melt flow rate in the range of (0.10) to less than (0.70) dg/min as measured according to ISO1133 (2.16 kg/230°C), an Mw/Mn in the range from (7.0) to (13.0), wherein Mw stands for the weight average molecular weight and Mn stands for the number average weight, an Mz/Mn is in the range from (20) to (50), wherein Mz stands for the z-average molecular weight and wherein Mw, Mn and Mz are measured according to ASTM (D6474-12).

    COMPOSITION COMPRISING POLYPROPYLENE, PROFILE AND FLEXIBLE HOSE MADE THEREOF

    公开(公告)号:WO2018234235A1

    公开(公告)日:2018-12-27

    申请号:PCT/EP2018/066103

    申请日:2018-06-18

    申请人: PLASTIFLEX GROUP

    发明人: DIELS, Dominicus

    摘要: The invention relates to a profile made from a polymer composition comprising a first polymer and a second polymer in a predetermined ratio such that the polymer composition has a predetermined flexural modulus and temperature resistance, and the invention relates to a spirally wound hose made from the profile. It is part of the invention that the profile wall thickness of the hose is reduced while an optimal value for the flexural fatigue is maintained when compared to the common wall thickness of current hoses, such that the hose of the invention has a reduced weight while the memory of the hose is maintained at an optimal value. The invention further relates to a polymer composition comprising a first polymer and a second polymer in a predetermined ratio such that the polymer composition has a predetermined flexural modulus and temperature resistance. The invention also relates to a method for making a polymer composition comprising a first polymer and a second polymer in a predetermined ratio such that the polymer composition has a predetermined flexural modulus and temperature resistance, said method providing for example the polymer composition for manufacturing the profile of the invention.

    マスターバッチ組成物およびこれを含むポリプロピレン樹脂組成物

    公开(公告)号:WO2018092805A1

    公开(公告)日:2018-05-24

    申请号:PCT/JP2017/041091

    申请日:2017-11-15

    摘要: (A)マグネシウム、チタン、ハロゲン、およびスクシネート系化合物から選択される電子供与体化合物を必須成分として含有する固体触媒;(B)有機アルミニウム化合物;ならびに(C)外部電子供与体化合物を含む触媒を用いて、プロピレンとエチレンとを重合させて得たマスターバッチ組成物であって、 成分(1)としてプロピレン単独重合体、および成分(2)として、55~80重量%のエチレン由来単位を含むプロピレン-エチレンコポリマーを含み、成分(1):(2)の重量比が85~60:15~40であり、 以下の要件: 1)当該組成物のキシレン不溶分のGPCにより測定したMw/Mnが6~20である 2)当該組成物のキシレン可溶分の極限粘度が1~3dl/gである 3)当該組成物のメルトフローレート(230℃、荷重21.18N)が1~50g/10分である、を満たすマスターバッチ組成物。 当該組成物は、高弾性率、低温における高衝撃強度、および低線膨張係数を有する。