A flame-retardant composition endowed with intumescent properties which consists of an acrylic resin, a dehydrating compound, a blowing agent and, optionally, a fluorocarbon-based polymer.

This invention relates to a 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 expansion starting temperature of the thermally expandable graphite is lower than the decomposition starting temperature of the resin component.

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.

A halogen-free, non-intumescent, fire retardant coating composition is provided, said coating composition comprising (a) a (meth)acrylate polymer, wherein the glass transition temperature Tg of the (meth)acrylate polymer is at least 45° C., measured with MDSC at 5° C./min as described in the description, (b) a polyurethane, wherein the polyurethane is based on a polycarbonate polyol, and (c) ammonium polyphosphate (APP). The coating composition has a long storage stability and results in coatings with good fire retardant properties, mechanical strength and chemical and stain resistance. The coating composition contains only halogen-free fire retardants for environmental safety and toxicity reduction. The coating composition can be used for various substrates including plastic, composite, and metal substrates, and is especially suitable for cabin coatings.

A resin composition is provided that comprises a resin and a phosphorus-based flame retardant. The resin includes a β-1,3-glucan derivative resin having a main chain having a structure represented by the following structural formula (1):

##STR00001##

where each of Rs is independently a hydrogen atom or an alkylcarbonyl group, at least one of Rs is an alkylcarbonyl group, and n is a natural number. The phosphorus-based flame retardant has an average particle diameter of 5 μm or less in the resin.

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.

A flame retardant polymer composition is provided. The polymer composition includes a polymer resin and a flame retardant package dispersed within the polymer resin. The flame retardant package includes an additive of a polyoxometalate ionic liquid (PIL) and a synergist carrier. In particular, the PIL includes organic cations that produce an acid upon heating. Also, a flame retardant optical fiber cable is provided. The cable includes at least one optical fiber and a polymeric jacket that surrounds the at least one optical fiber. The polymeric jacket includes a polymer resin, a carbon source, an acid source, a polyoxometalate ionic liquid (PIL), and a synergist carrier. In particular, the PIL includes organic cations that produce an acid upon heating.

A method for producing a coating on a surface of a component part or a device, the method comprises obtaining a two component polyurethane system having a Component A and a Component B, Component A comprises a polyol and Component B comprises an isocyanate. Either Component A or Component B or both components comprise a filler. The method includes mixing Components A and B, to form a mixture comprising the polyol, the isocyanate, and the filler. The method includes applying the mixture to a surface of a component part or a device to form a coating from the mixture; and allowing the applied coating to cure. The steps of applying the coating and allowing the applied coating to cure are performed at an ambient temperature, and the viscosity of the mixture immediately after the mixing step is from 10 Pas to 500 Pas at 23° C.

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.

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