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    • 32. 发明申请
    • UNSATURATED ETHYLENE COPOLYMERS AND PREPARATION THEREOF
    • 不饱和乙烯共聚物及其制备方法
    • WO1997045465A1
    • 1997-12-04
    • PCT/SE1997000913
    • 1997-05-28
    • BOREALIS A/SGUSTAFSSON, BillLAURELL, Jussi
    • BOREALIS A/S
    • C08F210/02
    • H01B3/44C08F210/02C08F216/12
    • The invention concerns an unsaturated ethylene copolymer, a method for producing it, and the use thereof for producing cross-linked structures, such as insulating layer material, semiconductor layer material and sheath material for electric cables. The unsaturated ethylene copolymer comprises a polymer obtained by radical polymerisation through a high-pressure process of ethylene and at least one monomer which is copolymerisable with ethylene and includes a diunsaturated comonomer of the formula (I): H2C = CH-O-R-CH = CH2 wherein R = -(CH2)m-O-, -(CH2CH2O)n-, or -CH2-C6H10-CH2-O-, m = 2-10 and n = 1-5. Preferably, the comonomer of formula (I) is 1,4-butanediol divinyl ether.
    • 本发明涉及不饱和乙烯共聚物,其制造方法及其制造用于电缆的绝缘层材料,半导体层材料和护套材料等交联结构体的用途。 不饱和乙烯共聚物包括通过高压乙烯和至少一种可与乙烯共聚的单体进行自由基聚合而获得的聚合物,并且包括式(I)的二不饱和共聚单体:H 2 C = CH-OR-CH = CH 2 其中R = - (CH2)mO-, - (CH2CH2O)n-或-CH2-C6H10-CH2-O-,m = 2-10和n = 1-5。 优选地,式(I)的共聚单体是1,4-丁二醇二乙烯基醚。
    • 34. 发明申请
    • PROCESS FOR THE PREPARATION OF CREEP-RESISTANT POLYPROPYLENE BLOCK COPOLYMERS
    • 防止聚丙烯嵌段共聚物的制备方法
    • WO1997040080A1
    • 1997-10-30
    • PCT/FI1997000240
    • 1997-04-18
    • BOREALIS A/SHÄRKÖNEN, MikaMALM, BoNYMARK, Anders
    • BOREALIS A/S
    • C08F297/08
    • F16L9/133F16L57/02
    • The invention relates to a process for the preparation of a polypropylene for e.g. pipe applications, containing from 1.0 to 10.0 % by weight of ethylene or C4-C10- alpha -olefin repeating units and having an MFR2 value of between 0.05 and 0.40 g/10 min by polymerizing propylene and ethylene in the presence of a catalyst system. The creep-resistance of the polypropylene is improved by performing the process by means of the following steps: (a) copolymerizing propylene and ethylene into a random copolymer at 40 to 110 DEG C using: a portion of ethylene or C4-C10- alpha -olefin leading to 1.0 to 10.0 % by weight of ethylene repeating units in said random copolymer; and no or a minimal amount of hydrogen leading to an MFR10 value of between 0.01 and 5.0 g/10 min for said random copolymer, if this step is performed first, or to an MFR2 value for said polypropylene of between 0.05 and 0.40 g/10 min, if this step is performed after step (b); the proportion of random copolymer of this step being from 20 to 80 % by weight of said polypropylene, (b) polymerizing propylene at 40 to 110 DEG C using: no or a minimal portion of ethylene leading to 0.0 to 1.0 % by weight of ethylene repeating units in the polymer resulting from this step; and an amount of hydrogen leading to an MFR2 value for said polypropylene of between 0.05 and 0.40 g/10 min, if this step is performed after step (a); the proportion of polymer of this step being from 80 to 20 % by weight of said polypropylene. The polypropylene can be elastomer modified.
    • 本发明涉及一种用于制备例如聚丙烯的聚丙烯的方法。 管道应用,其含有1.0至10.0重量%的乙烯或C 4 -C 10α-烯烃重复单元,并且通过在催化剂体系存在下聚合丙烯和乙烯,其MFR 2值为0.05至0.40g / 10min。 通过以下步骤进行该方法,聚丙烯的抗蠕变性得到改善:(a)在40〜110℃下使丙烯与乙烯共聚成无规共聚物,其中使用:一部分乙烯或C 4 -C 10 - 烯烃,其导致所述无规共聚物中的乙烯重复单元为1.0〜10.0重量% 并且对于所述无规共聚物,如果首先进行该步骤,或者对于所述聚丙烯的MFR 2值为0.05-0.40g / 10,则没有或最小量的氢导致MFR10值在0.01-5.0g / 10min之间 min,如果在步骤(b)之后执行该步骤; 该步骤的无规共聚物的比例为所述聚丙烯的20至80重量%,(b)在40至110℃下聚合丙烯,使用:无或最小部分的乙烯导致0.0-1.0重量%的乙烯 由该步骤得到的聚合物中的重复单元; 如果该步骤在步骤(a)之后进行,则导致所述聚丙烯的MFR 2值为0.05-0.40g / 10min的氢气量; 该步骤的聚合物的比例为所述聚丙烯的80至20重量%。 聚丙烯可以进行弹性体改性。
    • 38. 发明申请
    • COATING AND METHOD OF PRODUCTION THEREOF
    • 涂料及其生产方法
    • WO1998001300A1
    • 1998-01-15
    • PCT/SE1997001197
    • 1997-07-02
    • BOREALIS A/SGUSTAFSSON, BillLAIHO, ErkkiMÄKINEN, TuomoSAINIO, Markku
    • BOREALIS A/S
    • B32B27/14
    • B32B27/06B32B27/20B32B27/32B32B37/153B32B2264/102B32B2305/30B32B2323/04
    • A coating and a method of producing it are disclosed. The coating comprises a polymer layer (9), which is extrusion-coated on a substrate (1), the coating being characterised in that it comprises particles (11) of an essentially hydrophobic aluminium silicate zeolite located between the substrate (1) and the polymer layer (9) extrusion-coated thereon, and that the zeolite has a pore diameter of at least 5.5 ANGSTROM , a molar ratio Si/Al in the crystal lattice of at least 35, and a sorption capacity for water at 25 DEG C and 4.6 torr below 10 % by weight. When producing the coating (13), particles (11) of the above zeolite are introduced between the polymer layer (9) and the substrate (1) before the polymer layer (9) is extrusion-coated on the substrate (1). Preferably, the zeolite particles (11) are sprinkled on the substrate surface just before this is brought into contact with the extruded polymer layer (9).
    • 公开了一种涂层及其制造方法。 涂层包括聚合物层(9),其被挤压涂覆在基底(1)上,该涂层的特征在于它包括位于基底(1)和基底(1)之间的基本上疏水的硅酸铝沸石的颗粒(11) 聚合物层(9),并且沸石的孔径至少为5.5,晶格中的Si / Al的摩尔比至少为35,以及25℃的水的吸附容量, 4.6托,低于10重量%。 在制造涂层(13)时,在将聚合物层(9)挤压涂布在基材(1)上之前,将上述沸石的颗粒(11)引入聚合物层(9)和基材(1)之间。 优选地,在与挤出的聚合物层(9)接触之前,将沸石颗粒(11)喷洒在基材表面上。
    • 39. 发明申请
    • MULTILAYER PIPE
    • 多层管
    • WO1997033116A1
    • 1997-09-12
    • PCT/SE1997000302
    • 1997-02-24
    • BOREALIS A/SEK, Carl-GustafSANDBERG, HansLINDSTRÖM, Helge
    • BOREALIS A/S
    • F16L09/133
    • F16L11/04F16L9/133F16L57/02
    • A multilayer pipe with improved resistance to rapid crack propagation is described. The pipe consists of at least two, preferably three layers of different polyolefin plastic materials, which are so selected and combined that the pipe has resistance to rapid crack propagation, measured as the critical temperature, which is the lowest temperature at which a crack initiated in the pipe propagates a distance in the pipe of at most 4 times the diameter of the pipe, which is lower than the weighted average value of the critical temperatures of single-layer pipes of the individual plastic materials included in the multilayer pipe and having the same dimension as this. The pipe preferably has a critical temperature below -15 DEG C and consists of olefin plastics, such as polyethylene plastic and polypropylene plastic.
    • 描述了具有改进的抗快速裂纹扩展的多层管。 该管由至少两个,优选三层不同的聚烯烃塑料材料组成,它们被选择和组合,使得管具有抵抗快速裂纹扩展的抗性,其作为临界温度测量,临界温度是开始裂纹的最低温度 管道在管道中传播的距离最多是管道直径的4倍,低于多层管中包含的各种塑料材料的单层管道的临界温度的加权平均值,并具有相同的距离 尺寸如此。 该管优选具有低于-15℃的临界温度并且由烯烃塑料如聚乙烯塑料和聚丙烯塑料组成。