A polymer composition is provided with improved stress whitening resistance, having at least one thermoplastic polymer material and a dielectric liquid. A process for preparing the polymer composition, a cable having at least one electrically insulating layer obtained from the polymer composition, and a process for preparing the cable are also provided.

A photosensitive resin composition is provided comprising (A) 100 pbw of a phenolic hydroxyl group-containing resin, and (B) 0.1-18 pbw of an epoxy additive in the form of a compound containing 1-8 epoxy groups per molecule, containing nitrogen, sulfur or phosphorus, and having a molecular weight of 50-6,000. The composition has an improved bonding force to metal wirings.

The invention provides a thermoplastic resin composition having (A) a thermoplastic polymer comprising (a1) 5 mass % to less than 50 mass % of a propylene polymer having a melting point of 150° C. or higher, (a2) 10 mass % to less than 60 mass % of an ethylene polymer, (a3) 5 mass % to less than 50 mass % of, for example, a hydrogenated product of a block copolymer of an aromatic vinyl compound and a conjugated diene compound, and (a4) 1 mass % to less than 30 mass % of, for example, an unsaturated carboxylic acid-modified olefin polymer; (B) a softener for nonaromatic rubbers; (C) a metal hydrate; (D) an organic peroxide; (E) an antioxidant; and (F) a coupling agent.

A resin composition contains propylene, ethylene, and styrene, and has a melting point of 140° C. or more and 150° C. or less, and the enthalpy of fusion of the resin composition is 55 J/g or more and 90 J/g or less.

The present invention relates to a coated insulated wire having improved heat dissipation properties, insulation properties, flame retardancy, and lightweight properties; and a method of manufacturing the same.

A polymeric composition includes a silane functionalized polyolefin; a brominated flame retardant having a Temperature of 5% Mass Loss from 350° C. to 500° C. and from 2 wt % to 50 wt % Retained Mass at 650° C., wherein the 5% Mass Loss and Retained Mass at 650° C. are measured according to Thermogravimetric Analysis; and antimony trioxide, wherein the polymeric composition has an antimony (Sb) to bromine (Br) molar ratio (Sb:Br molar ratio) of greater than 0.0 to 0.35. A coated conductor may be formed using the polymeric composition.

A polyolefin formulation comprising constituents (A) to (E) in the following amounts: from 15.0 to 55.0 weight percent (wt %) of (A) a polypropylene homopolymer; from 77.9 to 30.0 wt % of (B) a poly(ethylene-co-1-alkene) copolymer; from 3.0 to 6.5 wt % of (C) an ethylene/propylene diblock copolymer; from 4.0 to 8.0 wt % of (D) a saturated-and-aromatic (C.sub.14-C.sub.60)hydrocarbon; and from 0.1 to 1.5 wt % of (E) an antioxidant; wherein the wt % of (B) divided by the wt % (A) is a mass ratio of from 5.0:1.0 to 0.50:1.0; and wherein the amounts of constituents (A), (B), and (C) total from 88.0 to 95.9 wt % of the polyolefin formulation; and wherein the amounts of constituents (A) to (E) total from 92.1 to 100.0 wt % of the polyolefin formulation.

The invention relates to a flame-retardant cable having improved reaction to fire performances, in particular a reduced or null dripping under fire. The cable has a transmissive core and an outermost layer made from a flame-retardant polymer composition comprising: a) 100 phr of polyvinylchloride (PVC) as base polymer; b) 65-90 phr of a metal hydroxide; c) 2-9 phr of antimony trioxide; d) 1-3 phr of an optionally surface-modified sepiolite, and e) 3-10 phr of a Ca/Zn stabilizer.

The present invention discloses a photo-crosslinked rubber composition and application thereof. The rubber composition comprises a rubber matrix and an initiator. Based on 100 parts by weight of the rubber matrix, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A≤100, and an ethylene-propylene rubber with a content represented as B, in which 0≤B<100; and the initiator accounts for 0.1-10 parts, and the initiator includes at least one of a cationic photoinitiator and a free radical photoinitiator. In the rubber composition, the ethylene-propylene rubber is partially or completely replaced by the branched polyethylene. The rubber composition can be used for rubber product crosslinked by ultraviolet light, including wire, cable, film, glove, condom, and medical catheter, which achieves excellent elasticity, electrical insulation property, aging resistance and ozone resistance, and also has good mechanical strength.

A flame retardant, flexible polyvinyl chloride mixture includes a trio of plasticizers and molybdate-based smoke suppressant for use in wire and cable articles.