C08K3/2279

THERMALLY EXPANDABLE FIRE RESISTANT RESIN COMPOSITION
20170253691 · 2017-09-07 · ·

This invention relates to a thermally expandable fire-resistant resin composition comprising a resin component in an amount of 100 parts by weight, thermally expandable graphite in an amount of 3 to 300 parts by weight, and an inorganic filler in an amount of 2 to 200 parts by weight, wherein the thermally expandable graphite has an average aspect ratio of 20 or more.

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE

A thermoplastic resin composition that contains, based on 100 mass parts for a total of (A) and (B), at least 20 mass parts but less than 50 mass parts of (A) a polyalkylene terephthalate resin and more than 50 mass parts and not more than 80 mass parts of (B) a polystyrene resin or a rubber-reinforced polystyrene resin, wherein an intrinsic viscosity (IV.sub.A) of the polyalkylene terephthalate resin (A) is 0.3 to 0.8 dl/g and a melt viscosity (η.sub.B) of the polystyrene resin or rubber-reinforced polystyrene resin (B) at 250° C. and 912 sec.sup.−1 is at least 80 Pa.Math.sec.

UNSATURATED POLYESTER RESIN COMPOSITION, MOLDING MATERIAL, MOLDED ARTICLE, AND BATTERY PACK HOUSING FOR ELECTRIC VEHICLES
20210380801 · 2021-12-09 ·

An unsaturated polyester resin composition includes: a resin component comprising an unsaturated polyester, a polymerizable monomer, and a low profile agent; aluminum hydroxide; and a fire retardant. The unsaturated polyester is a polymerized product of polybasic acid and polyhydric alcohol. The polybasic acid has an ethylenic unsaturated double bond at a predetermined ratio. The polyvinyl acetate is blended as a low profile agent relative to the resin component at a predetermined ratio. Aluminum hydroxide is blended relative to the resin component at a predetermined ratio.

POLY(VINYL CHLORIDE) MIXTURES FOR WIRE AND CABLE COVERINGS

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

Flame Retardant Coating for Textiles
20220186042 · 2022-06-16 ·

Disclosed is a flame retardant coating for a textile sheet product, which contains at least one binder or a binder mixture, expandable graphite particles and additionally at least one chemical flame retardant. The grain size of at least 80%, preferably 100%, of the expandable graphite particles is at most 100 μm.

SILYL FUNCTIONAL COMPOUND FOR IMPROVING FLAME RETARDANT PROPERTIES

The invention relates to the use of a silyl functional compound b), which silyl functional compound comprises a N—O—Si bond, for improving the flame retardant properties of a composition comprising an organic polymer a), which is one of a thermoplastic polymer or a thermoset polymer or a mixture thereof.

SILYL FUNCTIONAL COMPOUND FOR IMPROVING FLAME RETARDANT PROPERTIES

The invention relates to a composition comprising an organic polymer, and a silyl functional compound comprising a N—Si bond.

Polyester yarn for industrial sewing thread and preparing method thereof

A type of polyester yarn for an industrial sewing thread and preparing method thereof are provided. The preparing method is composed of a viscosity enhancing by a solid state polycondensation and a melt spinning for a modified polyester, and the modified polyester is a product of esterification and polycondensation of evenly mixed terephthalic acid, ethylene glycol, tert-butyl branched dicarboxylic acid, trimethylsilyl branched diol and a doped Sb.sub.2O.sub.3 powder, wherein the tert-butyl branched dicarboxylic acid is selected from the group consisting of 5-tert-butyl-1,3-benzoic acid, 2-tert-butyl-1,6-hexanedioic acid, 3-tert-butyl-1,6-hexanedioic acid and 2,5-di-tert-butyl-1,6-hexanedioic acid. Moreover, the modified polyester is dispersed with a doped ZrO.sub.2 powder. An obtained fiber has an intrinsic viscosity drop of 23-28% when stored at 25° C. and R.H. 65% for 60 months.

Polyester yarn for industrial sewing thread and preparing method thereof

A type of polyester yarn for an industrial sewing thread and preparing method thereof are provided. The preparing method is composed of a viscosity enhancing by a solid state polycondensation and a melt spinning for a modified polyester, and the modified polyester is a product of esterification and polycondensation of evenly mixed terephthalic acid, ethylene glycol, tert-butyl branched dicarboxylic acid, trimethylsilyl branched diol and a doped Sb.sub.2O.sub.3 powder, wherein the tert-butyl branched dicarboxylic acid is selected from the group consisting of 5-tert-butyl-1,3-benzoic acid, 2-tert-butyl-1,6-hexanedioic acid, 3-tert-butyl-1,6-hexanedioic acid and 2,5-di-tert-butyl-1,6-hexanedioic acid. Moreover, the modified polyester is dispersed with a doped ZrO.sub.2 powder. An obtained fiber has an intrinsic viscosity drop of 23-28% when stored at 25° C. and R.H. 65% for 60 months.

ADDITIVES FOR FLAME RETARDED POLYOLEFINS

This invention provides a flame retardant additive composition which comprises at least one glow suppressant and at least one brominated flame retardant. The glow suppressant is about 0.5 wt % or more of the flame retardant additive composition, based on the total weight of the flame retardant additive composition. The brominated flame retardant contains aromatically-bound bromine and is selected from a) a brominated anionic styrenic polymer having a number average molecular weight of about 750 to about 7500, and/or a bromine content of about 60 wt % to about 77 wt %, b) a brominated anionic chain transfer vinyl aromatic polymer which contains about 70 wt % or more bromine, or a mixture of any two or more of these. Also provided are flame retarded polyolefin compositions that contain at least one glow suppressant and a brominated flame retardant.