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    • 2. 发明授权
    • Polyolefin composition for rotomolding
    • 用于滚塑的聚烯烃组合物
    • US07332543B2
    • 2008-02-19
    • US10469601
    • 2002-03-01
    • Arild FollestadEspen OmmundsenKnut Fosse
    • Arild FollestadEspen OmmundsenKnut Fosse
    • C08L23/00C08L23/04
    • C08L23/0815C08L23/10C08L2205/02C08L2205/06C08L2314/06Y10T428/1397C08L2666/04
    • A polymer composition suitable for rotomoulding comprising I) An ethylene homopolymer or copolymer with at least one other C3-10 ? olefin, having a melt flow rate of 0.5 to 30, a molecular weight distribution (Mw/Mn) of less than 4, an Mw of 50,000 to 110,000, a density of 0.940 g/cm3 to 0.970 g/cm3 and a melting point of 100 to 145° C.; or I) a propylene homopolymer or copolymer with at least one other C2-10 ? olefin, having a melt flow rate of 0.5 to 30, a molecular weight distribution (Mw/Mn) of less than 4, an Mw of 150,000 to 300,000, and a melting point of 100 to 170° C.; and II) an ethylene homo or copolymer with at least one other C3-10 ?-olefin, having a melt flow rate of within 40% of the melt flow rate of component (I), a molecular weight distribution of (Mw/Mn) of less than 4, an Mw of within 30% of the Mw of component (I), a density of 0.880 g/cm3 to 0.940 g/cm3 said density being at least 0.010 g/cm3 less than the density of component (I) and a melting point of at least 5° C. less than that of component (I); or II) a propylene homo or copolymer with at least one other C2-10 ?-olefin having a melt flow rate of within 40% of the melt flow rate of component (I), a molecular weight distribution of (Mw/Mn) of less than 4, an Mw of within 30% of the Mw of component (I), and a melting point of at least 10° C. less than that of component (I).
    • 适用于滚塑的聚合物组合物,其包含I)乙烯均聚物或与至少一种其它C 3-10的共聚物 烯烃,熔体流动速率为0.5〜30,分子量分布(Mw / Mn)小于4,Mw为50,000〜110,000,密度为0.940g / cm3〜0.970g / cm3,熔点为 100〜145℃。 或I)具有至少一个其它C 2-10的丙烯均聚物或共聚物 烯烃,熔体流动速率为0.5〜30,分子量分布(Mw / Mn)小于4,Mw为15万〜300,000,熔点为100〜170℃。 和II)与至少一种其它C3-10α-烯烃的乙烯均聚物或共聚物,其熔体流动速率在组分(I)的熔体流动速率的40%以内,分子量分布(Mw / Mn) 小于4,组分(I)的Mw的30%以内的Mw,密度为0.880g / cm 3至0.940g / cm 3,所述密度比组分(I)的密度小至少0.010g / cm 3, 并且比组分(I)的熔点低至少5℃的熔点; 或II)与至少一种其它C2-10α-烯烃的丙烯均聚物或共聚物,其熔体流动速率在组分(I)的熔体流动速率的40%以内,分子量分布(Mw / Mn)为 小于4,组分(I)的Mw的30%以内的Mw,并且熔点至少比组分(I)的熔点低10℃。
    • 3. 发明申请
    • Polyolefin composition for rotomolding
    • 用于滚塑的聚烯烃组合物
    • US20090004417A1
    • 2009-01-01
    • US12004059
    • 2007-12-20
    • Arild FollestadEspen OmmundsenKnut Fosse
    • Arild FollestadEspen OmmundsenKnut Fosse
    • B29D22/00B29C41/06C08L23/08
    • C08L23/0815C08L23/10C08L2205/02C08L2205/06C08L2314/06Y10T428/1397C08L2666/04
    • A polymer composition suitable for rotomoulding comprising I) An ethylene homopolymer or copolymer with at least one other C3-10 a olefin, having a melt flow rate of 0.5 to 30, a molecular weight distribution (Mw/Mn) of less than 4, an Mw of 50,000 to 110,000, a density of 0.940 g/cm3 to 0.970 g/cm3 and a melting point of 100 to 145° C.; or I) a propylene homopolymer or copolymer with at least one other C2-10 α olefin, having a melt flow rate of 0.5 to 30, a molecular weight distribution (Mw/Mn) of less than 4, an Mw of 150,000 to 300,000, and a melting point of 100 to 170° C.; and II) an ethylene homo or copolymer with at least one other C3-10 α-olefin, having a melt flow rate of within 40% of the melt flow rate of component (I), a molecular weight distribution of (Mw/Mn) of less than 4, an Mw of within 30% of the Mw of component (I), a density of 0.880 g/cm3 to 0.940 g/cm3 said density being at least 0.010 g/cm3 less than the density of component (I) and a melting point of at least 5+ C. less than that of component (I); or II) a propylene homo or copolymer with at least one other C2-10 α-olefin having a melt flow rate of within 40% of the melt flow rate of component (I), a molecular weight distribution of (Mw/Mn) of less than 4, an Mw of within 30% of the Mw of component (I), and a melting point of at least 10° C. less than that of component (I).
    • 适用于滚塑的聚合物组合物,其包含I)乙烯均聚物或与至少一种其它C 3-10烯烃的共聚物,其熔体流动速率为0.5至30,分子量分布(Mw / Mn)小于4, Mw为50,000〜110,000,密度为0.940g / cm 3〜0.970g / cm 3,熔点为100〜145℃。 或I)与至少一种其它C 2-10α-烯烃的丙烯均聚物或共聚物,其熔体流动速率为0.5至30,分子量分布(Mw / Mn)小于4,Mw为15万至30万, 熔点为100〜170℃。 和II)与至少一种其它C3-10α-烯烃的乙烯均聚物或共聚物,其熔体流动速率在组分(I)的熔体流动速率的40%以内,分子量分布(Mw / Mn) 小于4,组分(I)的Mw的30%以内的Mw,密度为0.880g / cm 3至0.940g / cm 3,所述密度比组分(I)的密度小至少0.010g / cm 3, 并且熔点至少比组分(I)的熔点低5℃。 或II)与至少一种其它C2-10α-烯烃的丙烯均聚物或共聚物,其熔体流动速率在组分(I)的熔体流动速率的40%以内,分子量分布(Mw / Mn)为 小于4,组分(I)的Mw的30%以内的Mw,并且熔点至少比组分(I)的熔点低10℃。
    • 4. 发明授权
    • Process for producing propylene based polymer compositions
    • 制备丙烯基聚合物组合物的方法
    • US06770714B2
    • 2004-08-03
    • US10240997
    • 2003-03-06
    • Espen OmmundsenArild FollestadMika HarkonenMerja PoikelaPirjo JaaskelainenKauno Alastalo
    • Espen OmmundsenArild FollestadMika HarkonenMerja PoikelaPirjo JaaskelainenKauno Alastalo
    • C08F800
    • C08F210/16C08F4/65912C08F4/65916C08F297/08C08L23/04C08L23/0815C08L23/10C08L2207/02C08L2308/00C08F4/65925C08F2/001C08L2666/04C08F210/08C08F210/14C08F2500/12
    • A process for the production of a propylene based polymer, the process comprising the following steps: (a) a first polymerization stage comprising homopolymerizing propylene or copolymerizing propylene and at least one alpha-olefin in the presence of an alpha-olefin polymerization catalyst whereby to produce a polypropylene component; (b) a second polymerization stage comprising copolymerizing ethylene and at least one alpha-olefin in the presence of an alpha-olefin polymerization catalyst whereby to produce an ethylene/alpha-olefin copolymer component; and (c) blending the polymer components produced in steps (a) and (b) whereby to produce a polymer blend, wherein the first and second polymerization stages are effected in separate polymerization reactors connected in parallel. Also provided are polymer compositions comprising: (i) 30 to 97% by weight, based on the total weight of the polymer composition, of a propylene based polymer; and (ii) 3 to 70% by weight, preferably 5 to 20% by weight, based on the total weight of the polymer composition, of an ethylene copolymer plastomer (e.g., an ethylene-propylene plastomer) containing at least 60% by weight ethylene.
    • 一种制备丙烯基聚合物的方法,该方法包括以下步骤:(a)第一聚合阶段,包括在α-烯烃聚合催化剂存在下使丙烯均聚或丙烯与至少一种α-烯烃共聚合, 生产聚丙烯组分; (b)第二聚合阶段,包括在α-烯烃聚合催化剂存在下共聚乙烯和至少一种α-烯烃,从而制备乙烯/α-烯烃共聚物组分; 和(c)共混步骤(a)和(b)中制备的聚合物组分,由此制备聚合物共混物,其中第一和第二聚合阶段在分开的并联连接的聚合反应器中进行。 还提供了聚合物组合物,其包含:(i)基于聚合物组合物的总重量为30至97重量%的基于丙烯的聚合物; 和(ii)基于聚合物组合物的总重量,3-70重量%,优选5-20重量%的乙烯共聚物塑性体(例如,乙烯 - 丙烯塑性体)含有至少60重量% 乙烯。