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 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 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 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 a low density polyethylene having a molecular weight distribution Mw/Mn which is greater than 15, a storage modulus G′ (5 kPa) which is above 3000 and a vinylidene content which is at least 15/100k C, compositions, a process for production of the low density polyethylene, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process, an article, e.g. an extrusion article, and use in extrusion coating.
摘要:
The present invention relates to a cable comprising one or more insulated conductors which are embedded in a bedding composition, which comprises a) a polymer resin (A) and b) an inorganic filler (B), wherein the polymer resin (A) comprises an olefin homo- and/or copolymer (A.1) which has a weight average molecular weight Mw of 10,000 g/mol or more and a molecular weight distribution MWD of 4.5 or lower and, in a second aspect, to a cable comprising one or more insulated conductors which are embedded in a bedding composition, which comprises a) a polymer resin (A) and b) an inorganic filler (B), wherein the heat release rate HRR of the composition at any time within is the period from 0 s to 200 s after ignition does not exceed a maximum of 80 kW measured with cone calorimetry according to ISO 5660-1. The bedding may also comprise a bedding layer provided between said one or more insulated conductors and an outer sheath layer, wherein the bedding layer comprises the above bedding composition.
摘要:
A low voltage power cable having an insulation layer with a density below 1100 kg/m3, which has a polyolefin having 0.002-4% mol of a compound that has polar groups and further having a compound that has hydrolysable silane groups and includes 0.0001-3% weight of a silanol condensation catalyst and a process of manufacturing such a cable.
摘要翻译:一种具有密度低于1100kg / m 3的绝缘层的低压电力电缆,其具有具有0.002-4mol%的具有极性基团的化合物的聚烯烃,并且还具有具有 并且包括0.0001-3重量%的硅烷醇缩合催化剂和制造这种电缆的方法。
摘要:
A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable.
摘要:
The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.