A ceramifiable composition comprises a crosslinked silicone matrix retaining stabilizing components. The stabilizing components comprise subcomponents: a) at least one of an aluminosilicate clay, aluminum oxide, or a hydrate thereof; b) at least one of phosphorus pentoxide, a polyphosphate, an inorganic phosphate salt, boron oxide, boric acid or a salt thereof; and c) at least one of an alkaline earth oxide, alkaline earth carbonate, or a hydrate thereof, and wherein heating the ceramifiable composition to a temperature between 600 and 1600 degrees Celsius, inclusive, results in a ceramified composition. An article including a layer of the ceramifiable composition and a method of making the same are also disclosed.

A flame-retardant cable is disclosed, the cable having a core comprising at least one conductor, and a coating layer made from a low smoke zero halogen flame-retardant polymer composition comprising an ethylene vinyl acetate copolymer and a polyethylene having a density lower than 0.925 g/cm.sup.3 as polymeric base added with: a) from 110 to 160 phr of at least one metal hydroxide; b) from 1 to 7 phr of a phyllosilicate clay; c) from 1 to 7 phr of melamine or a derivate thereof; and d) from 1 to 7 phr of zinc borate.

This disclosure relates to hydrosilylation (addition) curable silicone rubber compositions, to silicone elastomeric materials with an improved high temperature (e.g., 175 C.) compression set in accordance with ISO 815-1 method A which are produced by curing the silicone rubber compositions, and to a method for preparing the silicone elastomeric materials. This disclosure also relates to uses for such materials. A silicone rubber composition comprises: (a) one or more polyorganosiloxanes having at least two unsaturated groups and a viscosity of from 1,000 to 100,000 mPa.Math.s at 25 C.; (b) an organosilicon compound having SiH groups; (c) a silica reinforcing filler; (d) a hydrosilylation catalyst; (e) a compression set additive selected from: (i) a phthalocyanine compound or a metal derivative of such a compound, and optionally (ii) one or more compounds selected from a diacylhydrazide-based compound; and (f) one or more of magnesium hydroxide, a magnesium carbonate, a magnesium hydroxy carbonate, or manganese carbonate.

A fireproof and flame-retardant material based on waste slag of aluminum factory, a preparation method and applications thereof, and a flame-retardant cable and a preparation method thereof are provided. The present disclosure provides a fireproof and flame-retardant material based on waste slag of aluminum factory, measured by weight parts, including raw materials: waste slag of aluminum factory (dry weight) 1-6 phr, inorganic hydroxide 0-6 phr, VAE latex 3-8 phr, and water 20-50 phr. The present disclosure only uses water as a solvent, VAE latex as a polymer matrix, the waste slag of aluminum factory and inorganic hydroxide as fillers. The price of raw materials is low and easy to obtain. The fireproof and flame-retardant material based on the waste slag of aluminum factory has excellent flame retardant, tensile strength, elongation and gram weight.

A rubber composition, by which a vulcanizate having excellent vulcanization speed, abrasion resistance and low temperature rise can be obtained, is provided. A rubber composition including 100 parts by mass of a chloroprene-based rubber, 20 to 80 parts by mass of silica, 1 part by mass or more and less than 20 parts by mass of a hydrate, and 0.3 to 1.4 parts by mass of an organic peroxide, wherein the rubber composition includes 0.5 to 15 parts by mass of a silane coupling agent having a double bond in a structure of the silane coupling agent with respect to 100 parts by mass of the silica.

A calcium-magnesium composite fireproof and flame-retardant material, a preparation method and applications thereof, and a flame-resistant optical/electrical cable and a preparation method thereof are provided. The present disclosure only uses water as a solvent, VAE latex as a polymer matrix, a biomass calcium material and magnesium hydroxide as fillers, and the raw materials have low price and are easy to obtain. The calcium-magnesium composite fireproof and flame-retardant material has excellent flame retardancy and mechanical strength. The present disclosure utilizes the layered structure of the biomass calcium material, a gas generation mechanism, stable thermal decomposition products, and excellent mechanical properties, and can effectively enhance the flame retardancy and mechanical properties of the calcium-magnesium composite fireproof and flame-retardant material. The present disclosure enhances the flame-retardant performance, tensile strength and tensile rate of the calcium-magnesium composite fireproof and flame-retardant material through a synergistic effect of magnesium hydroxide and biomass calcium material.

A resin composition contains a polyolefin resin, a metal hydroxide-based flame retardant, an inorganic filler, and an antioxidant. A content of the metal hydroxide-based flame retardant is 60 parts by mass or more and 140 parts by mass or less with respect to 100 parts by mass of the polyolefin resin. The inorganic filler is formed by using zeolite and an organically modified layered silicate in combination. A content of the zeolite is 0.5 parts by mass or more and 2.0 parts by mass or less with respect to 100 parts by mass of the polyolefin resin. The zeolite has a pore diameter of 3.0 or more and 6.5 or less, or a pore diameter of more than 6.5 and 9.0 or less, and has a silica/alumina ratio of 2 or more and 10 or less. A content of the organically modified layered silicate is 1.0 part by mass or more and 14.0 parts by mass or less with respect to 100 parts by mass of the polyolefin resin.

An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing a porous substrate; a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a binder resin and inorganic particles, the inorganic particles having an average primary particle diameter from 0.01 m to less than 0.45 m; and an adhesive layer that is provided on one side or on both sides of a laminated body of the porous substrate and the heat-resistant porous layer, and adhesive resin particles adhered to the laminated body.