A sealing member includes a thermoplastic fluororesin composition including a thermoplastic fluororesin (A) having a Shore D hardness of less than or equal to 50, the Shore D hardness being measured at 23° C. in accordance with ASTM D2240, and a cross-linked structure forming agent (B) that is selected from the group consisting of a polyfunctional unsaturated compound (b-1), a polyamine compound (b-2), and a polyhydroxy compound (b-3) and that is capable of forming a cross-linked structure through a reaction with the thermoplastic fluororesin (A), the thermoplastic fluororesin composition not substantially containing a peroxide compound when containing the (b-1), not substantially containing an acid acceptor when containing the (b-2), and not substantially containing at least one of the acid acceptor and an onium compound when containing the (b-3); and a method for producing a cross-linked body including a step of cross-linking the thermoplastic fluororesin composition by an ionizing radiation.

In a first aspect, the present invention relates to a process improvement additive suitable for polymer processing, wherein this process improvement additive comprises a carrier polymer, a binding component and one or more fluoropolymers and wherein this process improvement additive further comprises one or more zeolites. In a second aspect, the present invention relates to a method for processing a polymer, wherein a process improvement additive is added to the polymer prior to processing and wherein this process improvement additive comprises a carrier polymer, a binding component, one or more fluoropolymers and one or more zeolites.

In a first aspect, the present invention relates to a process improvement additive suitable for polymer processing, wherein this process improvement additive comprises a carrier polymer, a binding component and one or more fluoropolymers and wherein this process improvement additive further comprises one or more zeolites. In a second aspect, the present invention relates to a method for processing a polymer, wherein a process improvement additive is added to the polymer prior to processing and wherein this process improvement additive comprises a carrier polymer, a binding component, one or more fluoropolymers and one or more zeolites.

Articles made from a moisture-crosslinkable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 10 to 99.99 wt % of a nonpolar ethylenic polymer grafted with silane functionality (Si-g-npPE), the npPE having the following properties before grafting: (1) a vinyl content of 0.2 to 0.7 per 1,000 carbon atoms, (2) a melt index of 1.5 to 7.0 dg/min, (3) a density of 0.913 to 0.965 g/cc, and (4) a molecular weight distribution (Mw/Mn) of equal to or less than 8; (B) 0.01 to 20 wt % of a silanol condensation catalyst; and (C) 0 to 70 wt % of a flame retardant additive; exhibit one or more of desirable (a) silane grafting efficiency; (b) hot creep performance as a cable jacket/insulation after moisture crosslinking; (c) retained dielectric strength after glancing impact as a moisture crosslinked cable construction; and (d) crush resistance as a moisture crosslinked cable construction.

A moisture-curable polyolefin formulation comprising a (hydrolyzable silyl group)-functional polyolefin prepolymer and a compound that is an iron (II) acetylacetonate or an iron (III) acetylacetonate, wherein each compound independently is unsubstituted or substituted. Also, methods of making and using same, a cured polyolefin made therefrom, and articles containing or made from same.

A moisture-curable polyolefin formulation comprising a (hydrolyzable silyl group)-functional polyolefin prepolymer and a compound that is an iron (II) acetylacetonate or an iron (III) acetylacetonate, wherein each compound independently is unsubstituted or substituted. Also, methods of making and using same, a cured polyolefin made therefrom, and articles containing or made from same.

Silane-crosslinkable polymeric compositions comprising a polyolefin having hydrolyzable silane groups, an acidic silanol condensation catalyst, and a phenolic antioxidant. The phenolic antioxidant has a phenol-based moiety fused with a cyclic ether where the oxygen atom of the cyclic ether is located in the para position relative to the hydroxyl group of the phenol-based moiety. Such crosslinkable polymeric compositions can be employed in various articles of manufacture, such as in the wire and cable industry.

Silane-crosslinkable polymeric compositions comprising a polyolefin having hydrolyzable silane groups, an acidic silanol condensation catalyst, and a phenolic antioxidant. The phenolic antioxidant has a phenol-based moiety fused with a cyclic ether where the oxygen atom of the cyclic ether is located in the para position relative to the hydroxyl group of the phenol-based moiety. Such crosslinkable polymeric compositions can be employed in various articles of manufacture, such as in the wire and cable industry.

A liquid-repellent layer forming resin composition comprises a polypropylene resin (A) and a silylated polyolefin (B), wherein the polypropylene resin (A) comprises a random polypropylene resin (Al) and a block polypropylene resin (A2) with a mass ratio (Mass of random polypropylene resin (A1)/Mass of block polypropylene resin (A2)) in the range of 20/80 to 80/20.

A liquid-repellent layer forming resin composition comprises a polypropylene resin (A) and a silylated polyolefin (B), wherein the polypropylene resin (A) comprises a random polypropylene resin (Al) and a block polypropylene resin (A2) with a mass ratio (Mass of random polypropylene resin (A1)/Mass of block polypropylene resin (A2)) in the range of 20/80 to 80/20.