摘要:
The present invention relates to the use of a silicon containing compound as processing aid in the compounding of polyolefin compositions, wherein the silicon containing compound has a structure according to the formula (I): (R1)x[Si(R2)y(R3)z]m wherein R1, which may be the same or different if more than one such group is present, is a monofunctional, or, if m=2, is a bifunctional, hydrocarbyl residue comprising from 1 to 100 carbon atoms; R2, which may be the same or different if more than one such group is present, is a hydrocarbyloxy residue comprising from 1 to 100 carbon atoms; R3, is —R4SiR1pR2q, wherein p is 0 to 3, q is 0 to 3, with the proviso that p+q is 3, and R4 is —(CH2)rYs(CH2)t— where r and t independently are 1 to 3, s is 0 or 1 and Y is a difunctional heteroatomic group selected from —O—, —S—, —SO—, —SO2—, —NH—, —NR1— or —PR1—, where R1 and R2 are as previously defined; and x is 0 to 3, y is 1 to 4, z is 0 or 1, with the proviso that x+y+z=4; and m=1 or 2, and to the use of such a compound in the production of an article, in particular a wire or cable, comprising such polyolefin compositions.
摘要翻译:本发明涉及含硅化合物在聚烯烃组合物配混中的加工助剂的用途,其中含硅化合物具有根据式(I)的结构:(R1)x [Si(R2)y(R3 )z] m其中如果存在多于一个这样的基团,则可以相同或不同的R 1是单官能的,或者如果m = 2,则是包含1至100个碳原子的双官能的烃基; 如果存在多于一个这样的基团,其可以相同或不同,是含有1至100个碳原子的烃氧基; R3为-R4SiR1pR2q,其中p为0至3,q为0至3,条件是p + q为3,R4为 - (CH2)rYs(CH2)t-,其中r和t独立地为1至 3,s为0或1,Y为选自-O - , - S - , - SO - , - SO2-,-NH-,-NR1-或-PR1-的双官能杂原子基团,其中R1和R2为 以前定义; x为0至3,y为1至4,z为0或1,条件是x + y + z = 4; 和m = 1或2,以及在制备包含这种聚烯烃组合物的制品,特别是电线或电缆的情况下使用这种化合物。
摘要:
The present invention relates to the use of a silicon containing compound for reducing the retention time of a polyolefin composition comprising a crosslinkable polyolefin with hydrolysable silane groups. A master batch is compounded with the polyolefin composition to form a compounding composition. The master batch comprises a matrix polymer, a Bronsted acid that is a silanol condensation catalyst and is present in the amount of 0.7 to 3.5 wt %, and a silicon containing compound with a structure according to the formula (I): (R1)x[Si(R2)y(R3)z]m wherein R1 is C6-22 alkyl, R2 is C1-10 alkoxy, R3 is —R4SiR1R2 , R4 is —(CH2)rYs(CH2)t— where Y is a difunctional heteroatomic group, x+y+z=4, and m=1. The silicon containing compound is 2 to 10 wt % of the master batch, and 0.01 to 1.5 wt % of the compounding composition.
摘要翻译:本发明涉及含硅化合物用于降低包含可水解硅烷基团的可交联聚烯烃的聚烯烃组合物的保留时间的用途。 将母料与聚烯烃组合物混合以形成配混组合物。 母料包含基质聚合物,作为硅烷醇缩合催化剂的布朗斯台德酸,其量为0.7-3.5重量%,以及具有式(I)结构的含硅化合物:(R1)x [Si(R2)y(R3)z] m其中R1是C6-22烷基,R2是C1-10烷氧基,R3是-R4SiR1R2,R4是 - (CH2)rYs(CH2)t-,其中Y是双官能杂原子 组,x + y + z = 4,m = 1。 含硅化合物为母料的2〜10重量%,配合组合物为0.01〜1.5重量%。
摘要:
The present invention relates to the use of a silicon containing compound as drying agent of a polyolefln composition comprising a crosslinkable polyolefin with hydrolysable silane groups, wherein the silicon containing compound has a structure according to the formula (R1)x[Si(R2)y(R3)z]m wherein R1, which may be the same or different if more than one such group is present, is a monofunctional, or, if m=2, is a bifunctional, hydrocarbyl residue comprising from 1 to 100 carbon atoms; R2, which may be the same or different if more than one such group is present, is a hydrocarbyloxy residue comprising from 1 to 100 carbon atoms; R3, is —R4SiR1pR2q, wherein p is 0 to 3, q is 0 to 3, with the proviso that p+q is 3, and R4 is —(CH2)rYs(CH2)t− where r and t independently are 1 to 3, s is 0 or 1 and Y is a difunctional heteroatomic group selected from —O—, —S—, —SO—, —SO2—, —NH—, —NR1— or —PR1—, where R1 and R2 are as previously defined; and x is 0 to 3, y is 1 to 4, z is 0 or 1, with the proviso that x+y+z=4; and m=1 or 2.
摘要翻译:本发明涉及含硅化合物作为聚烯烃组合物的干燥剂的用途,所述组合物包含具有可水解硅烷基团的可交联聚烯烃,其中所述含硅化合物具有根据式(R1)x [Si(R2)y (R3)z] m其中如果存在多于一个这样的基团,则可以相同或不同的R 1是单官能的,或者如果m = 2,则是包含1至100个碳原子的双官能的烃基; 如果存在多于一个这样的基团,其可以相同或不同,是含有1至100个碳原子的烃氧基; R3为-R4SiR1pR2q,其中p为0至3,q为0至3,条件是p + q为3,R4为 - (CH2)rYs(CH2)t-,其中r和t独立地为1至 3,s为0或1,Y为选自-O - , - S - , - SO - , - SO2-,-NH-,-NR1-或-PR1-的双官能杂原子基团,其中R1和R2为 以前定义; x为0至3,y为1至4,z为0或1,条件是x + y + z = 4; m = 1或2。
摘要:
The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the end use thereof.
摘要:
The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the enduse thereof.
摘要:
The invention relates to a semiconductive polymer composition for use in power cables. The composition comprises a multimodal ethylene homo- or copolymer produced in a polymerization process comprising a single site catalyst whereby the polymer composition has a density of 870 to 930 kg/m3, a MFR2 of 1 to 30 g/10 min and a Mw/Mn of less than or equal to 10.
摘要:
A semiconductive polymer composition for use in power cables, wherein the composition has a multimodal ethylene homo- or copolymer produced in a polymerization process having a single site catalyst whereby the polymer composition has a density of 870-930 kg/m3, a MFR2 of 1 to 30 g/10 min and a Mw/Mn of less than or equal to 10.
摘要翻译:一种用于电力电缆的半导体聚合物组合物,其中所述组合物具有在具有单中心催化剂的聚合方法中制备的多峰乙烯均聚物或共聚物,由此聚合物组合物的密度为870-930kg / m 3,MFR 2为1 至30g / 10min,Mw / Mn小于或等于10。
摘要:
The invention relates to a semiconductive polymer composition for use in power cables. The composition comprises a multimodal ethylene homo- or copolymer produced in a polymerisation process comprising a single site catalyst whereby the polymer composition has a density of 870 to 930 kg/m3, a MFR2 of 1 to 30 g/10min and a Mw/Mn of less than or equal to 10.
摘要翻译:本发明涉及用于电力电缆的半导体聚合物组合物。 该组合物包含在包含单中心催化剂的聚合方法中制备的多峰乙烯均聚物或共聚物,由此聚合物组合物的密度为870至930kg / m 3,MFR 2为1至30g / 10min,Mw / Mn小于或等于10。
摘要:
The invention relates to a semiconductive polymer composition for use in power cables. The composition comprises a multimodal ethylene homo- or copolymer produced in a polymerisation process comprising a single site catalyst whereby the polymer composition has a density of 870 to 930 kg/m3, a MFR2 of 1 to 30 g/10 min and a Mw/Mn of less than or equal to 10.
摘要:
The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and ethylene monomer units, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and mechanical as well as electrical property profile.