Abstract: A inorganic-organic composite foam having a structure comprising phosphoric acids and a blowing agent for phosphoric acids, wherein the brittleness is improved by urethane prepolymer having NCO groups. The foam is produced by foaming and curing by mixing each component of phosphoric acids, a blowing agent for phosphoric acids, urethane prepolymer having NCO groups, water, and, if necessary, an inorganic filler. A foam of phosphoric acids is inherently brittle, but the brittleness is improved, and flexibility and rebound resilience can be provided. The foam of the present invention is effectively used for the applications, for example, heat insulating materials of external panel or internal panel which require the fire preventive property of train, automobile, housing, building etc.

Abstract: The present invention relates to a golf ball, comprising a cover, a core and optional intermediate layers, wherein the various ball components are formed from compositions comprising a sulfonated and/or phosphonated ionomer. The sulfonated and/or phosphonated ionomer preferably comprises sulfonated thermoplastic elastomers, sulfonated thermoplastic polymers, sulfonated thermoset polymers and mixtures thereof. The compositions include a blend of about 1 wt. % to about 99 wt. % of at least one sulfonated and/or phosphonated ionomer and about 99 wt. % to about 1 wt. % of at least co-component polymer. The co-component polymer may be a conventional ionomer, a thermoplastic, a thermoplastic elastomer, a thermoset polymer or mixtures thereof.

Abstract: A polyurethane resin consists of a reaction product of a phosphated polyol, a polyisocyanate and optionally a stabilizing monomer having a salt-forming group, for example, 2,2-dimethyolol propionic acid. The phosphated polyol may be a hydroxyl-terminated, phosphated polyester polyol which is a reaction product of a carboxylic acid, a polyol and a phosphate monomer. The phosphate monomer may be 2-phosphonobutane-1,2,4-tricarboxylic acid. The invention provides aqueous dispersions of phosphated polyurethane resins which are particularly suitable as metal primers for metals such as galvanised steel. The metal primers have improved adhesion under agressive enviroments.

Abstract: The invention concerns a compound of formula (I) in which m is to 0 or 1 Iso is the (poly)isocyanate radical (after elimination of an isocyanate function); R10 is selected among: a negative charge; a hydrocarbon-based radical (i.e. a residue containing hydrogen and carbon atoms) having a carbon as it binding point [i.e. the atom carrying the open bond ]; R11 is selected among: a negative charge. The invention is applicable to organic synthesis.

Abstract: The invention provides a golf ball having a core, intermediate layer, cover and/or coating comprising in whole or in part of an anionic polyurethane or polyurea ionomer. The anionic polyurethane or polyurea ionomer preferably comprises a sulfonate or carboxylate group. The anionic polyurethane or polyurea ionomer may be blended with conventional materials employed to form golf balls, cores, intermediate layers and covers. The composition can be foamed or unfoamed.

Abstract: A process for producing an isocyanurate derivative of the formula (1): wherein one each of X1, X2, of Y1, Y2 and of Z1, Z2, a R COO group and the other is a OH group and each R is a C1-7 organic group, having an ionic chlorine atom content of from 0.1 to 5 ppm, which comprises reacting (A) tris-(2,3-epoxypropyl) isocyanurate containing from 10 to 3,000 ppm of hydrolyzable chlorine and (B) a carboxyl group-containing compound, in the presence of (C) an arylphosphine and/or a phosphonium salt comprising a non-halogen anion, until the concentration of the epoxy group in the reaction solution decreases to a 0.3 to 0.6 eq/kg, and then maintaining the reaction solution at 80 to 130° C. for H hours, where 0.2×2,5n≦H≦2×2.5n, where n=0.1(110−T), where T is the temperature (° C.), to bring the epoxy group concentration in the reaction solution to a level of less than 0.1 eq/kg.

Abstract: Method for the treatment of mineral fillers using organic phosphate treatment agents. Treated mineral fillers obtained by said method and suspension of these treated mineral fillers in polyols. Use of these suspensions in the manufacture of flexible, semirigid, or rigid polyurethane foams used for the manufacture of molded or nonmolded objects.

Abstract: A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.

Abstract: This invention relates to thermoplastic polyurethanes (TPUs) which contain pharmaceutical active ingredients in a homogeneous distribution, to a method of producing them, and to their use in medical articles. During the production of the TPUs, compounds having an antithrombotic or antibacterial effect are added to the monomer mixture.

Abstract: A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.

Abstract: The present invention relates to an ablative fire resistant hydrophilic polyurea foam made from low molecular weight polyols capped with an isocyanate, with the polyol mixture including a fire retardant polyol that preferably includes carborane disilanol, with the fire retardant polyol containing the carborane disilanol imparting superior fire retardancy characteristics. The present invention also relates to a prepolymer for forming the polyurea foam and the present invention especially relates to the use of a carborane disilanol fire retardant polyol. The present invention also relates to a method for forming the polyurea foam and the prepolymer.

Abstract: Tpresent invention provide a biocompatible polyurethane or oplyurethane urea containing, in the side chain, phosphorylcholine structure represented by the formula (1) ##STR1## wherein R.sup.1 is C.sub.1-20 alkyl, C.sub.6-12 aryl, C.sub.7-20 aralkyl or a group of the formula:R.sup.4 -(A).sub.n -(wherein A is C.sub.2-10 oxyalkylene, and (A).sub.n may be constituted of one kind of oxyalkylene groups or of two or more kinds of oxyalkylene groups linked together in blocks or at random; n is an integer of 1 to 30; and R.sup.4 is C.sub.1-20 alkyl, C.sub.6-12 aryl or C.sub.7-20 aralkyl); and R.sup.2 and R.sup.3 each represent C.sub.1-20 alkyl, C.sub.6-12 aryl or C.sub.7-20 aralkyl and may be the same or different; and an antithrombogenic medical product prepared using the polyurethane or polyurethane urea.

Abstract: Medical article of manufacture comprising compositions, comprising: at least one polyisocyanate, preferably a non-aromatic polyisocyanate, in the monomer or prepolymer state; at least one polypol; and at least one organic compound comprising one or more phosphite functional groups, in the proportion of at least 1% by weight with respect to the total weight of the polyol or polyols, this organic compound being, in addition, non-aromatic and the carrier of at least one free hydroxyl group capable of reacting with an isocyanato group; and, if appropriate, at least one catalyst of the polymerization reaction of a polyisocyanate and of a polyol.

Abstract: A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.

Abstract: The flame-resistant polyurethanes of the invention comprise, as flameproofing agents, mixtures of oligomeric phosphoric acid esters which carry hydroxyalkoxy groups, of the formula I ##STR1## in which q denotes an average chain length of 0.5 to 10, R.sub.1 is a hydroxyl-containing radical of the formula II a,R.sub.2 is a radical of the formula III ##STR2## R.sub.3 is a radical of the formula II b, R.sub.4 is R.sub.1 or R.sub.3 ; R.sub.5,R.sub.6 and R.sub.7 are an H atom or an alkyl radical having 1 to 6 carbon atoms, m is 0 to 4 and n is 1 to 4.

Abstract: New and useful products are based on sheeted cellulose impregnated with a polyfunctional isocyanate and a fire retardant material. The fire retardants are chosen from organophosphorous esters compatible with the isocyanate in the proportions used. Preferred impregnating compositions use about one part of isocyanate and two parts of a halogenated diphosphate ester. Other compatible phosphorous based materials may be included for viscosity control.

Abstract: The invention relates to polymers having structural repeating units of at least one monomer MM which contains a hydroxyl group or a primary or secondary amine group as a functional group bonded directly or in a side chain, wherein the functional group is bonded via a bridge group Q formed by a diisocyanate to the hydroxyl group or primary or secondary amino group of an aliphatic, cycloaliphatic, heterocycloaliphatic, aromatic or heteroaromatic ditertiary diphosphine, the phosphine groups of which are bonded to a carbon chain in the 1,2-, 1,3-, 1,4- or 1,5-position relative to one another. The invention also relates to a process for their preparation and to rhodium and iridium complexes with these diphosphine ligands.

Abstract: A polymeric material I is obtainable by reacting1) a polymer II ofa) from 80 to almost 100 mol % of a C.sub.1 -C.sub.25 -alkyl ester of an .alpha.,.beta.-unsaturated carboxylic acid,b) from 0 to 20 mol % of one or more further monomers andc) an initiator and/or regulator by means of which the majority of the polymer chains of the polymer II are terminated at one of their ends by a hydroxyl group,2) with a polyfunctional nonaromatic isocyanate III to give a reaction product IV, the amount of isocyanate groups being from 1.2 to 3.

Abstract: A polyurethane prepared from a functionalized polyol has superior hydrolytic stability and dispersive capacity which makes it useful as a binder for magnetic particles in a magnetic recording medium. The functionalized polyol may be one of the group consisting of a polyesterdiol, a polyetherdiol, a polycaprolactone diol and a polycarbonate diol, each of which incorporates a functional group having the formula: ##STR1## wherein M is a methylene group or nitrogen, R and R.sup.1 are the same or different alkylene groups having from 1 to 7 carbon atoms, R.sup.2 is an alkylene group having from 1 to 7 carbon atoms, and R.sup.3 and R.sup.4 are the same or different alkyl groups having from 1 to 7 carbon atoms, and X is an anion of a Br.o slashed.nsted acidin an amount such that the polyurethane contains from about 8 to about 32 gram moles of the functional group per 1.times.10.sup.6 grams of the polyurethane. The polyurethane may be made by heating a mixture of a Br.o slashed.

Abstract: The invention relates to a process for the preparation of mixtures of oligomeric phosphoric acid esters of the formula (I) ##STR1## in which n is a number from 0 to 8,R.sub.1, R.sub.2, R.sub.3 and R.sub.7 are identical or different and are a halogen-free alkyl or aryl radical or a hydroxyl-containing radical of the formula II and R.sub.4 is a radical of the formula III ##STR2## in which, in the formulae II and III, R.sub.5 and R.sub.6 are a hydrogen atom or an alkyl radical and m is a number from 1 to 4, which comprises reacting, in a first stage, aliphatic or araliphatic alcohols and/or phenols with phosphorus pentoxide (P.sub.4 O.sub.10) in a molar ratio of (2.8 to 6.0):1.0 (alcohol/phenol: P.sub.4 O.sub.10) at a temperature from 20.degree. to 100.degree. C. in the course of 0.5 to 72 hours, a polyphosphoric acid partial ester mixture of the formula V ##STR3## which R.sub.1 ', R.sub.2 ', R.sub.3 ' and R.sub.

Abstract: A method for forming a polyamic acid having nonlinear optical (NLO) or pre-NLO side chains, which method includes the steps of:(1) providing a bis-(aromatic dicarboxylic acid anhydride) containing at least one NLO or pre-NLO side chain having the structure represented by:D-R-Awherein D, R and A form a delocalized resonance configuration in which R is a pi-conjugated non-centrosymmetric moiety, A is hydrogen or an electron withdrawing moiety and D is an electron donating moiety covalently linked to the bis-(aromatic dicarboxylic acid anhydride); and(2) reacting the bis-(aromatic dicarboxylic acid anhydride) with an aromatic diamine to form a polyamic acid having NLO or pre-NLO side chains. Methods for preparing polyamic acids having NLO or pre-NLO side chains by reacting aromatic diamines having NLO or pre-NLO side chains with bis-(aromatic dicarboxylic acid anhydrides) are also disclosed. Methods of forming the polyamic acids into polyimides having NLO side chains are also included.

Abstract: A magnetic recording medium is prepared by applying a magnetic coating composition onto a non-magnetic support and curing said composition, said coating composition containing ferromagnetic particles dispersed in a binder comprising a thermoplastic resin selected from the group consisting of polyurethanes and polyester wherein there is chemically bonded to said resin at least one aminoalkylphosphonate represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different oxyalkyl radicals having from 2 to 12 carbon atoms, R.sup.3 is an alkylene radical having from 1 to 12 carbon atoms, or an aralkylene radical having from 7 to 10 carbon atoms R.sup.4 is an alkyl radical having from 1 to 12 carbon atoms, a cycloalkyl radical having from 5 to 12 carbon atoms, or an aryl radical having from 6 to 12 carbon atoms wherein the aryl radical may contain a halogen atom, a hydroxyl group, or an amino group, and M.sup.+ is a metal ion or an ammonium ion.

Abstract: In the production of a flame resistant, halogen-free polyurethane/polyurea from a polyisocyanate and polyol, wherein to the mixture of polyisocyanate and polyol there is added an amine adduct of an acidic metal salt of the formulaA.sub.1-3 B.sub.0-12 P.sub.3-9 N.sub.4-12 M.sub.0-9 xH.sub.2 O(I),in whichA denotes at least one hydroxide or oxide of a metal selected from the group consisting of aluminum, magnesium, calcium and zinc,B denotes o-boric acid,P denotes an acid containing phosphorus,N denotes at least one of an amine or ammonia,M denotes an alkali metal hydroxide andx denotes an integer from 0 to 90.The products are especially flame resistant foams.

Abstract: Polyurethanes and/or polyurethane ureas which are optionally cellular are produced by the process of the present invention. This process consists of reacting at least one polyisocyanate with a specific reaction mixture. This reaction mixture containsA) non-basic compounds having a molecular weight of 62 to 10,000 and containing at least two hydroxyl groups;andB) at least one component selected from:B)1) basic polyhydroxyl compoundsandB)2) acids or the salts thereof;andC) at least one component selected from:C)1) fatty acidsandC)2) the salts of the fatty acids.The reaction occurs at temperatures of from 0.degree. to 150.degree. C., and component A) is used as an at least 50 wt. % aqueous solution.

Abstract: A two-component urethane adhesive is disclosed which requires no primer or pretreatment of the substrate. The adhesive in cured form has superior paint adhesion and can withstand high temperature bake cycles without substantial losses in adhesion to the substrate. The adhesive differs from prior adhesives in that essentially all of the high molecular weight polyols in the prepolymer component are the reaction product grafting reactions of acrylonitrile onto polypropylene polyols.

Abstract: A polyurethane adhesive composition prepared by incorporating phosphorus oxy acid or a derivative thereof, an amine compound and an epoxy resin into an organic polyisocyanate and an organic polyol.The polyurethane adhesive composition is employed in the manufacture of composite films by lamination of various plastic films, metal foils and so forth. The composition is excellent in adhesive properties, acid resistance and hot water resistance.

Abstract: This invention is directed to a process for preparing grafted organic polyester of phosphoric acid, incorporated into water-borne coating compositions, reducing remarkably the tendency of aluminum flake pigments to react with the aqueous medium of the compositions, resulting in generation of hydrogen. This can be obtained by grafting the reaction product from the reaction of an orthophosphorus derivative with a compound which contains in the molecule an epoxide group and aromatic or alicyclic group, to a pre-polymer having isocyanate group as an end group and an ethyleneoxide group. The grafted organic polyester of phosphor acid has excellent dispersity with pigments and results in satisfactory adhesion with resin as a binder because it prevents pigments from contacting with water during water dispersing.

Abstract: Synthetic biomaterials are provided with irreversibly bound amino diphosphonate, polyphosphonate, or other anticalcification agent to prevent in vivo calcification. Such biomaterials include biocompatible elastomers such as polyurethane and/or polydimethylsiloxane, and the like which are intended for invasive, or in-dwelling use in a human or animal body. Illustratively, reaction conditions utilizing hi-or polyfunctional epoxides result in epoxide bridge incorporation of the anticalcification agent to the biomaterial elastomer.

Abstract: A waterproof and breathable flame-retardant laminate of two layers of porous expanded polytetrafluoroethylene laminated together by a flame-retardant adhesive layer of poly(urea-urethane) polymer containing phosphorus ester groups built into the chains of the polymer. The flame-retardant components do not wash out of the adhesive and laminate under repeated laundering or dry cleaning.

Abstract: Flame-retardant poly (polyisocyanate-organic phosphorus) products are produced by mixing and reacting an organic phosphorus containing compound and a polyisocyanate compound in the presence of a polyisocyante catalyst. No other blowing agent is necessary.The flame-retardant polyurethane foam products may be used for thermal and sound-insulation, for cushioning, for molding useful objects and as a cavity filler.

Abstract: The present invention discloses a novel polyurethane composition useful as a dispersing binder. The binder yields magnetic dispersions having high gloss values. Moreover, the polyurethane provides excellent hydrolytic stability. The polyurethane comprises a polyol, a diisocyanate a chain extender and an functional modifier formed of a reaction product of an aminodiol and Bronsted Acid.

Abstract: Disclosed is a thermoplastic polyamide with reduced flammability obtained by melt mixing a polyamide with a phosphate ester of the general formula: ##STR1## wherein n is a number of from 1 to 10;m is a number of from 0 to 3;x is a number of from 0 to 3;R is linear or branched C.sub.1 -to C.sub.18 -alkyl radical.

Abstract: A two component primerless modified urethane adhesive having good adhesion can be utilized to bond various substrates together such as sheet molded compounds. The prepolymer component of the modified urethane contains a reacted hydroxyl intermediate and has a significant excess of free isocyanate. The curative component contains a polyol curing agent, an amine sag resistant agent, a phosphorus-type adhesion promoter, and optionally molecular sieves. The equivalent ratio of free NCO groups in the prepolymer component to OH groups plus any amine groups in the curative component is generally from about 0.90 to about 1.25.

Abstract: Synthetic biomaterials are provided with irreversibly bound amino diphosphonate, polyphosphonate, or other anticalcification agent to prevent in vivo calcification. Such biomaterials include biocompatible elastomers such as polyurethane and/or polydimethylsiloxane, and the like which are intended for invasive, or in-dwelling use in a human or animal body. Illustratively, reaction conditions utilizing bi- or polyfunctional epoxides result in epoxide bridge incorporation of the anticalcification agent to the biomaterial elastomer.

Abstract: A polyurethane resin is synthesized from a reaction mixture of at least one phosphorus compound, an epoxy compound, a polyisocyanate, a polyfunctional hydroxy compound, and optionally a chain extender. The polyurethane resin contains one phosphoric acid group or one residual group derived from phosphoric acid per 3,000 to about 200,000 number average molecular weight of the polyurethane resin. The weight average molecular weight of the polyurethane resin is from about 10,000 to about 250,000. A magnetic coating formulation is comprised of principally of magnetic particles and a binder. A magnetic recording media comprises a laminate as in the form of a magnetic layer composed principally of magnetic particles and a binder wherein at least a portion of the binder is the polyurethane resin. The substrate of the magnetic recording medium is a suitable polymer such as polyester, and the like.

Abstract: A composite metal powder composition according to the present invention is a composition containing composite metal powder obtained in such a manner that an isocyanate compound is chemically bonded to the surface of surface-treated metal particles and a phosphorus compound is further chemically bonded to the isocyanate compound through an urethane bond and can be used as an excellent pigment for an aqueous paint.

Abstract: The present invention relates to a photosensitive composition comprising an o-quinonediazide compound and a polyurethane resin having a phosphonic acid group, a phosphoric acid group or its ester group. The photosensitive composition of the present invention provides an excellent adhesion to the support, an excellent developability with an aqueous alkali developer, and a high printing durability.

Abstract: The invention relates to heterofunctional diols of formula I and to polyurethane elastomers prepared therefrom.

Abstract: Novel nonlinearly optically active polymers, well suited for electrooptical applications, are prepared by copolymerizing a first difunctional monomer with a second difunctional comonomer, with at least one of such difunctional monomers including a polar charge transfer moiety containing at least one electron acceptor group and at least one electron donor group (D), and further wherein the polymerizable functional groups are borne by the one or more electron donor groups (D).

Abstract: Biocompatible and biodegradable poly(phosphoester-urethanes), compositions comprising the poly(phosphoester-urethanes), and methods of use as a drug delivery device and an implant.

Abstract: A magnetic coating formulation is composed principally of magnetic particles and a binder. At least a portion of the binder is a polyurethane resin synthesized from a reactant mixture of specific phosphorus compound, epoxy compound, isocyanate compound and polyfunctional hydroxy compounds. The reactant mixture may optionally contain a chain extender. The polyurethane resin contains one phosphoric acid group or one residual group derived from phosphoric acid per 3,000-200,000 number average molecular weight of the polyurethane resin, and has a number average molecular weight of 4,000-150,000. A magnetic recording medium with a magnetic coating layer formed from the magnetic coating formulation is also disclosed. The magnetic coating layer features not only excellent dispersion of magnetic particles, in other words, excellent magnetic characteristics but also superb durability.

Abstract: The present invention relates to a process for the preparation of polyurethane foams comprising reacting polyisocyanates with compounds having a molecular weight of from 400 to 10,000 and containing at least two isocyanate-reactive hydrogen atoms, in the presence of water and/or organic blowing agents, catalysts, melamine having a particle size of from about 5 to about 90 micrometers as a flameproofing agent. The process is optionally carried out in the presence of other flameproofing agents, compounds containing at least two isocyanate-reactive hydrogen atoms and having a molecular weight of from 32 to 399, and known surface-active additives and auxiliaries.

Abstract: This invention relates to the use of phosphorus-containing compounds, specifically cyclic organophosphorus compounds, as carbodiimidization catalysts in the preparation of open-celled flexible polyurethane foam for the purpose of controlling foam density and providing softer foams. foams that are softer and of lower density can be prepared with significantly reduced quantities of blowing agents in comparison to foams prepared in the absence of such phosphorus-containing compounds. Additionally, use of such catalysts provides for a reduced reaction exotherm during the preparation of the foam thereby minimizing foam discoloration or scorching. Preferred phosphorus-containing compounds are the 1-alkyl-1-oxophospholenes, especially 1-methyl-1-oxophospholene.

Abstract: A polycarbonate polyol having a main chain of the formula: ##STR1## wherein R is an aliphatic or alicyclic hydrcarbon group having 4 to 10 carbon atoms, and n is a number of 2.00 to 20.

Abstract: A magnetic coating formulation is composed principally of magnetic particles and a binder. At least a portion of the binder is a polyurethane resin synthesized from a reactant mixture of specific phosphorus compound, epoxy compound, isocyanate compound and polyfunctional hydroxy compounds. The reactant mixture may optionally contain a chain extender. The polyurethane resin contains one phosphoric acid group or one residual group derived from phosphoric acid per 3,000-200,000 number average molecular weight of the polyurethane resin, and has a number average molecular weight of 4,000-150,000. A magnetic recording medium with a magnetic coating layer formed from the magnetic coating formulation is also disclosed. The magnetic coating layer features not only excellent dispersion of magnetic particles, in other words, excellent magnetic characteristics but also superb durability.

Abstract: Reaction resin mixtures which can be economically processed provide inflammable molded materials with excellent mechanical properties and high dimensional stability under heat when they contain the following constituents: (A) a phosphorus-free polyfunctional epoxide; (B) an epoxy-group-containing phosphorus compound; (C) a polyfunctional isocyanate; (D) a curing catalyst; and, if required, (E) filler material.

Abstract: Disclosed are dental adhesive compositions consisting essentially of(a) at least one urethane prepolymer containing one or more isocyanate groups, or a blend of the urethane prepolymer and an inert diluent;(b) at least one radical-polymerizable unsaturated monomer;(c) a photopolymerization initiator;and, if desired,(d) a polymerizable phosphoric ester compound having a specific structure.These dental adhesive compositions can be used to bond a restorative material to dentin without requiring any troublesome pretreatment with an etching agent such as phosphoric acid, and can exhibit bonding power sufficient for practical purposes.

Abstract: Disclosed is a radiation curable resin composition permitting good dispersion of magnetic powders and forming a highly durable cured film, and hence suitable for use in the formation of magnetic recording media. This resin composition consists essentially of a urethane (meth)acrylate obtained by the reaction of(A) a hydroxyl-containing compound (I) composed of an amido hydroxy compound (a.sub.1) having at least one amido group and at least one isocyanate-reactive hydroxyl group in the molecule, and at least one polyol compound (a.sub.2) selected from polyester polyols, polyether polyols and alkyl polyols, the number of moles (x.sub.1) of the hydroxyl groups present in the amido hydroxy compound (a.sub.1) being from 5 to 80% of the total number of moles of the hydroxyl groups contained in component (A) and the number of moles (x.sub.2) of the hydroxyl groups present in the polyol compound (a.sub.

Abstract: The intumescent compositions according to the invention are reaction mixtures which are obtained on mixing and reacting the following components:(A) specific polyether polyols,(B) specific polyester polyols,(C) specific phosphorus-containing polyols,(D) inert desiccants,(E) dehydratable fillers,(F) other inorganic auxiliaries and fillers,(G) catalysts and(H) polyisocyanates.

Abstract: New intumescent materials can be obtained by reacting polyisocyanates with phosphorus-containing condensation products containing at least two hydroxyl groups, and boron oxides and/or dehydration products of boric acid. They may be used for the production of coatings and building elements.