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    • 8. 发明申请
    • PROCESS FOR PRODUCING THERMOFORMED ARTICLES
    • 生产热成型制品的工艺
    • WO2006082176A1
    • 2006-08-10
    • PCT/EP2006/050533
    • 2006-01-30
    • BASELL POLYOLEFINE GMBHMORHARD, FriederikeSARTORI, GabriellaFUCHS, AlexanderGABRIEL, Claus
    • MORHARD, FriederikeSARTORI, GabriellaFUCHS, AlexanderGABRIEL, Claus
    • C08L23/10C08L23/12C08L23/14B29C51/14
    • B29C51/002B29K2023/12C08L23/10C08L23/12C08L23/14C08L23/142C08L2205/02C08L2666/06
    • A process for obtaining thermoformed articles, comprising the following steps: a) forming a sheet comprising a propylene resin; b) thermoforming the sheet obtained in step a); wherein said propylene resin has the following characteristics: a) distribution of molecular weight Mw/Mn lower than 4; preferably lower than 3; b) 2,1 insertions measured with by 13C-NMR lower than 0.50%; preferably lower than 0.40%; c) eta* and the frequency ω meet the following relation for ω comprised between 0.1 ad l : eta*>3700ω(-0 13) d) melt flow rate (MFR) (ISO 1133)lower than 5; preferably lower than 4; more preferably lower than 3; wherein the polypropylene resin comprises: (i) from 10 to 100% by weight of a propylene homopolymer or a propylene copolymer containing from 0.1% to 10% by mol of derived units of ethylene or an alpha-olefin of formula CH2=CHZ wherein Z is a linear or branched C2-C20 radical; and (ii) from 0 to 90% by weight of a propylene copolymer containing from 0.1% to 10% by mol of derived units of ethylene or an alpha-olefin of formula CH2=CHZ wherein Z is a linear or branched C2-C20 radical, said propylene copolymer having a content of ethylene or an alpha-olefin of formula CH2=CHZ different from the propylene copolymer (i).
    • 一种用于获得热成型制品的方法,包括以下步骤:a)形成包含丙烯树脂的片材; b)对在步骤a)中获得的片材进行热成型; 其中所述丙烯树脂具有以下特性:a)分子量Mw / Mn低于4的分布; 优选低于3; b)通过13 C-NMR测量的2,1次插入低于0.50%; 优选低于0.40%; c)eta *和频率? 满足以下关系? (η1133)低于5;熔体流动速率(MFR)(ISO 1133)低于5; 优选低于4; 更优选低于3; 其中所述聚丙烯树脂包括:(i)10至100重量%的丙烯均聚物或含有0.1至10摩尔%的衍生单元的乙烯或式CH 2 = CHZ的α-烯烃的丙烯共聚物,其中Z 是直链或支链C2-C20基; 和(ii)0至90重量%的含有0.1至10摩尔%的乙烯或式CH 2 = CHZ的α-烯烃的衍生单元的丙烯共聚物,其中Z为直链或支链C2-C20基团 ,所述丙烯共聚物具有不同于丙烯共聚物(i)的乙烯或式CH 2 = CHZ的α-烯烃的含量。
    • 9. 发明申请
    • POLYPROPYLENE FIBRES SUITABLE FOR THERMALLY BONDED NON-WOVEN FABRICS
    • 适用于热粘合非织造布的聚丙烯纤维
    • WO2004029341A1
    • 2004-04-08
    • PCT/EP2003/010705
    • 2003-09-23
    • BASELL POLIOLEFINE ITALIA S.P.A.SARTORI, FrancoSARTORI, Gabriella
    • SARTORI, FrancoSARTORI, Gabriella
    • D01F6/46
    • D04H3/14C08L23/14C08L23/142C08L2203/12C08L2205/02C08L2205/03D01F6/46D04H1/54D04H1/60Y10T428/2931C08L2666/06
    • A fibre for thermal bonding comprising a propylene polymer composition having an MFR value from 4 to 50 g/10 min. The said composition is selected from (i) a crystalline propylene random copolymer or polymer composition containing at least 0.8% by weight of ethylene and optionally one or more C 4 -C 10 α-olefins and having a melting temperature of 155° C or higher, a content of fraction soluble in xylene at room temperature lower than 5 wt%, a value of the ratio of the polymer fraction collected at the temperature range from 25° to 95° C by TREF with xylene to the xylene soluble fraction, higher than 8; and (ii) a crystalline propylene polymer composition having a melting temperature of 153° C or higher, a content of fraction soluble in xylene at room temperature lower than 10 wt% and containing at least 0.64 wt% of ethylene and/or C 4 -C 10 α-olefin recurring unit and comprising (I) 20-80 wt% of a crystalline propylene homopolymer and/or crystalline propylene random copolymer containing up to 1.5% by weight of ethylene and/or C 4 -C 10 α-olefin and (II) 20-80 wt% of a crystalline random copolymer of propylene with ethylene or a C 4 -C 10 α-olefin. A polymer composition having an MFR value from 4 to 50 g/10 min, an ethylene content of at least 0.64 wt% and comprising (A) 20-80 wt% of a crystalline propylene homopolymer or crystalline propylene random copolymer containing up to 1.5 wt% of ethylene and/or C 4 -C 10 α-olefin and (B) 20-80 wt% of a crystalline random copolymer of propylene with higher than 5 to 9 wt% of ethylene. Non-woven fabrics that are prepared with the said fibres are useful for hygienic applications.
    • 一种用于热粘合的纤维,其包含MFR为4-50g / 10min的丙烯聚合物组合物。 所述组合物选自(i)包含至少0.8重量%的乙烯和任选的一种或多种C 4 -C 10α-烯烃并且具有155℃或更高的熔融温度的结晶丙烯无规共聚物或聚合物组合物, 在室温下可溶于二甲苯的馏分的含量低于5重量%,通过TREF与二甲苯到二甲苯可溶部分在25℃至95℃的温度范围内收集的聚合物分数的比值高于8; 和(ii)熔融温度为153℃以上的结晶丙烯聚合物组合物,室温下可溶于二甲苯的馏分的含量低于10重量%,并含有至少0.64重量%的乙烯和/或C 4 -C 10 α-烯烃重复单元,并且包含(I)20-80重量%的结晶丙烯均聚物和/或结晶丙烯无规共聚物,其含有至多1.5重量%的乙烯和/或C 4 -C 10α-烯烃和(II)20 -80重量%的丙烯与乙烯或C 4 -C 10α-烯烃的结晶无规共聚物。 MFR值为4至50g / 10min,乙烯含量至少为0.64wt%并且包含(A)20-80wt%结晶丙烯均聚物或结晶丙烯无规共聚物的聚合物组合物,其含有至多1.5wt %的乙烯和/或C 4 -C 10α-烯烃和(B)20-80重量%的丙烯与高于5至9重量%乙烯的结晶无规共聚物。 用所述纤维制备的无纺织物可用于卫生应用。