PROCESS FOR DEGASSING CROSSLINKED POWER CABLES

    公开(公告)号:CA2923072C

    公开(公告)日:2021-10-26

    申请号:CA2923072

    申请日:2014-09-09

    Abstract: A power cable comprising: (A) a conductor, (B) an insulation layer, and (C) a semiconductor layer comprising in weight percent based on the weight of the semiconductor layer: (1) 49-98% of a crosslinked olefin block copolymer (OBC) having a density less than ( ) 1, and comprising in weight percent based on the weight of the OBC: (a) 35-80% soft segment that comprises 5-50 mole percent (mol%) of units derived from a monomer comprising 3 to 30 carbon atoms; and (b) 20-65% hard segment that comprises 0.2-3.5 mol% of units derived from a monomer comprising 3 to 30 carbon atoms; (2) 2-51 % conductive filler, the insulation layer and semiconductor layer in contact with one another, is degassed by a process comprising the step of exposing the cable to a temperature of at least 80°C for a period of time of at least 24 hours.

    Composición adhesiva
    6.
    发明专利

    公开(公告)号:ES2846754T3

    公开(公告)日:2021-07-29

    申请号:ES16778156

    申请日:2016-09-22

    Abstract: Una composición que comprende: (A) de 1% en peso a 10% en peso, basado en el peso total de la composición, de un interpolímero de etileno/α- olefina funcionalizado con grupo carboxilo que tiene (i) una densidad de 0,855 g/cm3 a 0,895 g/cm3; y (ii) una viscosidad en masa fundida, a 177°C, menor o igual a 50.000 mPa.s; y (B) de 45% en peso a 90% en peso, basado en el peso total de la composición, de un interpolímero a base de propileno que tiene (i) una densidad de 0,870 g/cm3 a 0,890 g/cm3; y (ii) una viscosidad en masa fundida, a 177°C, menor o igual a 50.000 mPa.s.

    Adhesive composition
    8.
    发明专利

    公开(公告)号:AU2016330387A1

    公开(公告)日:2018-05-10

    申请号:AU2016330387

    申请日:2016-09-22

    Abstract: The present disclosure provides a composition. In an embodiment a composition is provided and includes: (A) a carboxylic-functionalized ethylene/a-olefin interpolymer having (i) a density from 0.855 g/cc to 0.895 g/cc; and (ii) a melt viscosity, at 177°C, less than, or equal to, 50,000 mPa.s; and (B) a propylene-based interpolymer having (i) a density from 0.870 g/cc to 0.890 g/cc; and (ii) a melt viscosity, at 177°C, less than, or equal to, 50,000 mPa.s.

    HOT MELT ADHESIVE COMPOSITION INCLUDING A CRYSTALLINE BLOCK COMPOSITE

    公开(公告)号:SG11201701351TA

    公开(公告)日:2017-03-30

    申请号:SG11201701351T

    申请日:2015-08-20

    Abstract: A hot melt adhesive composition includes (A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 a-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.90 g/cc or less, and (iv) a Brookfield viscosity of less than 50,000 centipoise, (B) 1-60 wt % of a crystalline block composite comprising: (1) a crystalline ethylene based polymer; (2) a crystalline alpha-olefin based polymer derived from at least one of a C3-10 a-olefin; and (3) a block copolymer comprising 10-90 wt % of a crystalline ethylene block comprising greater than 90 mol % units derived from ethylene and comprising 10-90 wt % of a crystalline alpha-olefin block comprising greater than 90 mol % units derived from at least one of a C3-10 a-olefin, (C) Optionally, from greater than zero to 70 wt % tackifier, and (D) Optionally, from greater than zero to 40 wt % of at least one selected from the group of a wax and an oil.

    COMPONENTES DE CABLE DE FIBRA OPTICA.

    公开(公告)号:MX2016004327A

    公开(公告)日:2016-06-10

    申请号:MX2016004327

    申请日:2013-10-18

    Abstract: La presente invención se relaciona con componentes de cable óptico fabricados de una mezcla polimérica extrudida de polipropileno cristalino modificado con uno o más polímeros de modificación de impacto. Los polímeros de modificación de impacto se seleccionan de un interpolímero de multi-bloque de olefina, un compuesto de bloque de olefina y combinaciones de los mismos. Opcionalmente, la mezcla polimérica además puede comprender un elastómero diferente del polímero de modificación de impacto. La mezcla polimérica también puede contener uno o más aditivos. Los componentes del cable de fibra óptica pueden seleccionarse de tubos protectores, tubos centrales y tubos centrales ranurados.

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