Polyolefin composition comprising crosslinkable polyolefin with silane groups, silanol condensation catalyst and silicon containing compound
申请人:Borealis Technology OY
公开号:EP2075281A1
公开(公告)日:2009-07-01
The present invention relates to a composition comprising
(i) a crosslinkable polyolefin with hydrolysable silane groups (A),
(ii) a silanol condensation catalyst (B), and
(iii) a silicon containing compound (C) according to the formula
(R1)x[Si(R2)y(R3)z]m (I)
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 and at least one heteroatom;
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-, -O-(CO)-, -NH-, -NH2, -NH-(CO)-NH2, -NH-(CO)-OCH3, an epoxy group, a carbamate group, -S-, -SO-, -SO2-, -NR-, -PR-, where R is a hydrocarbon or a hydrogen and 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;
to an article, in particular a wire or cable, comprising such a composition, and to the use of such a composition for the production of an article.
The present invention further relates to the use of silicon containing compound (C) according to the formula (I) given above as a processing aid in the compounding of polyolefin compositions and as a surface smoothening agent in polyolefin compositions.
Finally, the present invention relates to the use of a silicon containing compound (C) according to the formula (I) given above as a drying agent for polyolefin compositions, as a corrosion inhibitor in polyolefin compositions comprising a Brönsted acid and as a pH controlling agent in polymer compositions comprising a Brönsted acid.
本发明涉及一种组合物,该组合物包括
(i) 具有可水解硅烷基团的可交联聚烯烃 (A)、
(ii) 硅烷醇缩合催化剂 (B),和
(iii) 含硅化合物(C),其式如下
(R1)x[Si(R2)y(R3)z]m (I)
其中
R1 是单官能团,或者,如果 m = 2,是双官能团,烃基残基,包括 1 至 100 个碳原子和至少一个杂原子;
R2,可以是相同的,也可以是不同的(如果存在多个此类基团),是由 1 至 100 个碳原子组成的烃基偏氧基残基;
R3,是-R4SiR1pR2q,其中
p 为 0 至 3
q 为 0 至 3、
但 p + q 为 3,且
R4 是-(CH2)rYs(CH2)t-,其中 r 和 t 独立地为 1 至 3,s 为 0 或 1,Y 是选自-O-、-O-(CO)-、-NH-、-NH2、-NH-(CO)-NH2、-NH-(CO)-OCH3、环氧基、氨基甲酸酯基、-S-、-SO-、-SO2-、-NR-、-PR-的双官能杂原子基团,其中 R 是烃或氢,R1 和 R2 如前定义;以及 R4 是-(CH2)rYs(CH2)t-,其中 r 和 t 独立地为 1 至 3,s 为 0 或 1。
R2 如前定义;以及
x 为 0 至 3,y 为 1 至 4,z 为 0 或 1,但条件是
x + y + z = 4;
m = 1 或 2;
本发明还涉及一种包含这种组合物的物品,特别是电线或电缆,以及使用这种组合物生产物品。
本发明还涉及根据上述式(I)的含硅化合物(C)作为聚烯烃组合物复合加工助剂和聚烯烃组合物表面平滑剂的用途。
最后,本发明涉及根据上式(I)的含硅化合物(C)作为聚烯烃组合物的干燥剂、作为包含布氏酸的聚烯烃组合物中的腐蚀抑制剂和作为包含布氏酸的聚合物组合物中的 pH 控制剂的用途。