C08L23/0892

MOISTURE CURABLE POLYOLEFIN COMPOSITIONS

A moisture curable polymer formulation comprising a (hydrolyzable silyl group)-functional polyolefin prepolymer, an acidic condensation catalyst, and a secondary diarylamine. A method of making the formulation; a moisture-cured polyolefin composition prepared therefrom; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.

MOISTURE CURABLE POLYOLEFIN COMPOSITIONS

A moisture curable polymer formulation comprising a (hydrolyzable silyl group)-functional polyolefin prepolymer, an acidic condensation catalyst, and a secondary diarylamine. A method of making the formulation; a moisture-cured polyolefin composition prepared therefrom; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.

MULTILAYER ASSEMBLY

The invention pertains to a multilayer assembly comprising: (L1) a first inner layer [layer (L1)] made from a first composition [composition (C1)], said composition (C1) comprising: at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE), and at least one Ti compound; and (L2) a second outer layer [layer (L2)] made from a second composition [composition (C2)], said composition (C2) being substantially free from TiO.sub.2-containing additives, said second composition comprising at least one semi-crystalline polymer comprising recurring units derived from ethylene and from at least one fluoromonomer selected from chlorotrifluoroethylene (CTFE), tetrafluoroethylene (TFE) and mixtures thereof, said semi-crystalline polymer having a heat of fusion of at least 35 J/g [polymer (A)].

THERMOCHROMIC POLYMER COMPOSITION, ELECTRICAL DEVICE, AND CORRESPONDING USE AND PROCESSES
20190330523 · 2019-10-31 ·

A thermochromic polymer composition including a base polymer material; a temperature sensitive material, which changes a color of the thermochromic polymer composition in response to a temperature change; and a stabilizer, which enhances stability performance of the thermochromic polymer composition. The thermochromic polymer composition which has a good thermochromic performance and good thermal performance and thus could provide a visible indication of the overheat condition. An electrical device is formed from the thermochromic polymer composition. A further embodiment of the process for preparing the thermochromic polymer composition and forming the electrical device.

Moisture-Curable Compositions Comprising Silane-Grafted Polyolefin Elastomer and Halogen-Free Retardant
20190309117 · 2019-10-10 ·

Compositions useful as coatings for wire and cable comprise, in weight percent (wt %) based on the weight of the composition: (A) 10 to 62 wt % of a silane-grafted ethylene polymer (Si-g-PE) having a silane content of 0.5 to 5 wt % based on the weight of the Si-g-PE, wherein the Si-g-PE is made from an ethylene polymer (base resin) having the following properties. (1) Density of 0.875 to 0.910 g/cc; (2) Melt index (MI, 12) of 8 to 50 g/10 min (190 C./2.16 kg); and (B) 38 to 90 wt % of a halogen-free flame retardant (HFFR); (C) 0 to 0.3 wt % of an antioxidant; and (D) 0 to 1 wt % of a silanol condensation catalyst.

Moisture-Curable Compositions Comprising Silane-Grafted Polyolefin Elastomer and Halogen-Free Retardant
20190309117 · 2019-10-10 ·

Compositions useful as coatings for wire and cable comprise, in weight percent (wt %) based on the weight of the composition: (A) 10 to 62 wt % of a silane-grafted ethylene polymer (Si-g-PE) having a silane content of 0.5 to 5 wt % based on the weight of the Si-g-PE, wherein the Si-g-PE is made from an ethylene polymer (base resin) having the following properties. (1) Density of 0.875 to 0.910 g/cc; (2) Melt index (MI, 12) of 8 to 50 g/10 min (190 C./2.16 kg); and (B) 38 to 90 wt % of a halogen-free flame retardant (HFFR); (C) 0 to 0.3 wt % of an antioxidant; and (D) 0 to 1 wt % of a silanol condensation catalyst.

LIQUID-CONTAINING POLYOLEFIN MASTER BATCHES AND METHODS
20190300659 · 2019-10-03 · ·

Provided herein are liquid-containing masterbatches and methods of forming liquid-containing masterbatches. The methods may include providing a mixture including an organosilane and porous particles; and heating the mixture at a temperature effective to adsorb at least a portion of the organosilane to one or more surfaces of the porous particles to form a polyolefin master batch. An organosilane may be present in a polyolefin master batch in an amount ranging from about 10% to about 50% by weight of the polyolefin master batch, and the porous particles may include [1] polypropylene, [2] a copolymer including (i) a propylene monomer and (ii) at least one of an ethylene monomer and a butene monomer, or [3] a combination thereof.

LIQUID-CONTAINING POLYOLEFIN MASTER BATCHES AND METHODS
20190300659 · 2019-10-03 · ·

Provided herein are liquid-containing masterbatches and methods of forming liquid-containing masterbatches. The methods may include providing a mixture including an organosilane and porous particles; and heating the mixture at a temperature effective to adsorb at least a portion of the organosilane to one or more surfaces of the porous particles to form a polyolefin master batch. An organosilane may be present in a polyolefin master batch in an amount ranging from about 10% to about 50% by weight of the polyolefin master batch, and the porous particles may include [1] polypropylene, [2] a copolymer including (i) a propylene monomer and (ii) at least one of an ethylene monomer and a butene monomer, or [3] a combination thereof.

Method for making crosslinked fluoropolymer compositions containing low level of extractable fluorides

A composition for manufacturing a crosslinked ethylene tetrafluoroethylene (ETFE) copolymer with enhanced abrasion resistance and heat resistance is provided, the composition including ETFE, about 0.1-10% w/w of a metal oxide that effectively scavenges high levels of fluoride ions; and a crosslinking agent. Methods of using and making the composition are also provided.

Method for making crosslinked fluoropolymer compositions containing low level of extractable fluorides

A composition for manufacturing a crosslinked ethylene tetrafluoroethylene (ETFE) copolymer with enhanced abrasion resistance and heat resistance is provided, the composition including ETFE, about 0.1-10% w/w of a metal oxide that effectively scavenges high levels of fluoride ions; and a crosslinking agent. Methods of using and making the composition are also provided.