Vinyl aromatic block copolymers and compositions containing them

FLAME RETARDED POLYURETHANE FOAM FORMULATIONS WITH LOW SMOKE PERFORMANCE

The present invention relates to flame retarded polyurethane foam formulations with low smoke performance.

FLAME RETARDANTS SUITABLE FOR USE IN VISCOELASTIC POLYURETHANE FOAMS

The present invention relates to viscoelastic polyurethane foam formulations, viscoelastic polyurethane foams formed from such formulations, and products formed from the viscoelastic polyurethane foams.

FLAME RETARDED TEXTILE PRODUCTS AND A METHOD OF MAKING THE SAME

Textile products having a flame retarded coating wherein the flame retarded coating contains a flame-retarding agent.

Polyol formulation

The invention relates to a polyol formulation for preparing high resilience foam, which polyol formulation contains (a) a polymer-modified polyol formed by polymerizing an olamine with an organic polyisocyanate in the presence of a polyol, (b) a polymer-modified polyol formed by polymerizing one or more ethylenically unsaturated monomers in the presence of a polyol, and optionally further polyol. The invention also relates to a process for preparing a high resilience foam using such polyol formulation.

Alkoxylation process

Use of a polyol formulation

Use of a polyol formulation in preparing high resilience foam, which polyol formulation comprises (a) a polymer-modified polyol formed by polymerising an olamine with an organic polyisocyanate in the presence of a polyol, (b) a polymer-modified polyol formed by polymerising one or more ethylenically unsaturated monomers in the presence of a polyol, and optionally further polyol in which the polyol present in polymer-modified polyol (a) and polymer-modified polyol (b) is prepared from hydroxyl containing starting compounds and with the proviso that the polyol is not an amine based polyol; and process of preparing high resilience foam with the help of such polyol formulation.

MODIFIED POLYOLEFINE

Use of mixtures of polyols in rigid and semi-rigid polyurethane foams.

"USO DE MISTURAS DE POLIóIS EM ESPUMAS RìGIDAS E SEMI-RìGIDAS DE POLIURETANO". A presente invenção refere-se a uma mistura de polióis para uso na preparação de espuma de poliuretana, compreendendo: (i) 80-99% em peso de pelo menos um poliol poliéter e/ou pelo menos um poliol poliéster; e (ii) 1-20% em peso de pelo menos um poliol poliolefínico. A invenção refere-se ainda a um processo para preparar espumas de poliuretana, usando essa mistura de polióis; refere-se ainda a espumas de poliuretano que podem ser obtidas por esse processo, e a artigos e compósitos que contêm essas espumas de poliuretana.

Pressure sensitive adhesives comprising thermoplastic polyurethanes

The present invention relates to a pressure sensitive adhesive composition comprising a thermoplastic polyurethane and a tackifying resin, which thermoplastic polyurethane is derived from an aromatic diisocyanate and/or a cycloaliphatic diisocyanate, a chain extender, and a polymeric diol and/or a hydrogenated polydiene diol and a hydrogenated polydiene mono-ol, and wherein the number average functionality of the diol and mono-ol ranges from 1.2 to 1.8. Further, the invention relates to a thermoplastic polyurethane for use in pressure sensitive adhesives and to articles containing the pressure sensitive adhesives.

USE OF POLYOL MIXTURES FOR POLYURETHANE (HALF) SOLID FOAMS

Flame retardants suitable for use in viscoelastic polyurethane foams

The present invention relates to viscoelastic polyurethane foam formulations, viscoelastic polyurethane foams formed from such formulations, and products formed from the viscoelastic polyurethane foams.

Vinyl aromatic block copolymers and compositions containing them

Block copolymers suitable for hot melt adhesive composition characterised in that they have the general formula (AB)p(B1)qX, wherein A is poly(vinylaromatic) block and B and B1 are the same or different poly(butadiene) blocks, wherein the 1,2 addition (vinyl) content is in the range of from 25 to 70 % by weight, wherein X is the residue of a multivalent coupling agent having a maximum of active sites (m) in the range of from 3 to 6, wherein p and q both are integers of from 0 to m, provided that the sum of p and q values is less than m and the coupling efficiency is less than 90 %, said block copolymer having an average total vinyl aromatic content in the range of from 10 to 50 wt.% and preferably in the range of from 10 to 30 wt.%, and having a total apparent molecular weight in the range of from 100,000 to 500,000; adhesive, sealant or coating compositions comprising said block copolymers and in particular radiation curable compositions, the use of said compositions, and process for the preparation of said block copolymers.

Flame retarded textile products and a method of making the same

Textile products having a flame retarded coating wherein the flame retarded coating contains a flame -retarding agent.

Structural adhesives

The present invention relates to a structural adhesive compositions comprising a polyurethane which is obtainable by reacting a polyisocyanate having a functionality in the range of from 2 to 3 and a hydrogenated polybutadiene polyol having a functionality in the range from 1.5 to 2.5 and a 1,2 vinyl content prior to hydrogenation of from 30 to 70% by weight, and wherein the NCO:OH molar ratio is in the range from more than 1.05 up to 1.6.

Pressure sensitive adhesives comprising thermoplastic polyurethanes

The present invention relates to a pressure sensitive adhesive composition comprising a thermoplastic polyurethane and a tackifying resin, which thermoplastic polyurethane is derived from an aromatic diisocyanate and/or a cycloaliphatic diisocyanate, a chain extender, and a polymeric diol and/or a hydrogenated polydiene diol and a hydrogenated polydiene mono-ol, and wherein the number average functionality of the diol and mono-ol ranges from 1.2 to 1.8. Further, the invention relates to a thermoplastic polyurethane for use in pressure sensitive adhesives and to articles containing the pressure sensitive adhesives.

Modified polyolefins

The present invention relates to a modified polyolefin comprising a polyolefin and 0.01 to 20 parts by weight of a mono-telechelic polyolefin per 100 parts by weight of the polyolefin. Preferably, the mono-telechelic polyolefin is a polyolefin mono-ol. The present invention further relates to a process for preparing a modified polyolefin which comprises blending of a polyolefin and a mono-telechelic polyolefin and molding the blend. Furthermore, the present invention relates to articles containing the said modified polyolefin.

Preparation of copolymers of carbon monoxide with ethylenically unsaturated compounds, composition and method for melt processing.

Vinil-aromás blokk-kopolimerek, azokat tartalmazó kompozíciók és eljárás ilyen blokk-kopolimerek előállítására

A találmány szerinti, besűgárzással kikeményíthető, magashőmérsékleten megőlvadó ragasztókőmpőzíciók felhasználható blőkk-kőpőlimerek, mely sűgárérzékeny blőkk-kőpőlimereket úgy állítják elő,hőgy a) más vegyületet legfeljebb csak kis mennyiségben tartalmazómőnővinil-arőmás mőnőmert iniciátőrként alkalmazőtt, RLi általánősképletű szerves lítiűmvegyület és - előnyös esetben - alkil-lítiűmjelenlétében pőlimerizálva ALi általánős képletű élőpőlimert állítanakelő, b) az ALi általánős képletű élőpőlimerhez és egy előremeghatárőzőtt időpőntban az iniciátőrként alkalmazőtt RLi általánősképletű szerves lítiűmvegyülethez más vegyületet legfeljebb csak kiskőn- centrációban tartalmazó bűtadiént pőlimerizálva őlyan, A-B-Li ésB1Li általánős képletű élőpőlimerekből álló elegyet állítanak elő,amelyben a B és a B1 mőlekűlarészek az RLi általánős képletű iniciátőrbeadagőlásának pőntős időpőntjától függően az M[B] M[B1]összefüggésnek megfelelően azőnős vagy eltérő mőlekűlatömegűek, azzala megkötéssel, hőgy a bűtadiénpőlimerizálást 25-70%-ős 1,2-vinil-tartalőm eléréséig főlytatják, és az RLi iniciátőrt őlyan mennyiségbenadagőlják be, hőgy az RLi általánős képletű iniciátőr és az ALiáltalánős képletű élőpőlimer mólaránya 0,45 és 2,20 között legyen, c)az így kapőtt, A-B-Li és B1Li általánős képletű élőpőlimerekettartalmazó elegyet egy többfűnkciós kapcsőlószerrel őlyan körülményekközött kapcsőlják össze, amelyek biztősítják, hőgy a kapcsőlásihatásfők 90%-nál kisebb legyen. ŕ

Flammenhemmer zur verwendung in viskoelastischen polyurethanschaumstoffen

Preparation of copolymers of carbon monoxide with ethylenically unsaturated compounds, composition and method for melt processing

Preparacion de copolimeros de monoxido de carbono y de compuestos etilenicamente insaturados, composiciones y procedimiento de realizacion en estado fundido.

UN PROCESO PARA LA PREPARACION DE COPOLIMEROS DE MONOXIDO DE CARBONO, ALTERNOS, LINEALES Y UN COMPUESTO NO SATURADO ETILENICALMENTE QUE CONSISTE EN POLIMERIZAR LOS MONOMEROS EN PRESENCIA DE UN SISTEMA CATALITICO ADECUADO, CONTAMINAR UNO O MAS COMPONENTES PRESENTES EN LA MEZCLA DE REACCION CON UNA O MAS SALES DE METALES ALCALI(NO TERREOS), CUYO PROCESO INCLUYE UN TRATAMIENTO MEDIANTE EL CUAL AL MENOS PARTE DE LA SAL DE METALES ALCALI(NO TERREOS) SE SEPARA DE MODO QUE LA CANTIDAD TOTAL DE METALES ALCALI(NO TERREOS) PRESENTE EN EL PRODUCTO DE COPOLIMERIZACION SEA MENOR DE 1 PARTE POR MILLON EN PESO; UNA COMPOSICION COPOLIMERICA QUE CONTIENE DICHO COPOLIMERO, UNA SAL DE METALES ALCALI(NO TERREOS) CONTAMINANTE Y UNA CANTIDAD ESTABILIZADORA DE UNA SUSTANCIA CAPAZ DE ENLAZARSE A AL MENOS PARTE DE LA SAL DE METALES ALCALI(NO TERREOS), SIENDO LA SUSTANCIA DISTINTA DE LA HIDROXIAPATITA O DE UN SILICATO METALICO TRIVALENTE TIPO ZEOLITA; Y UN METODO PARA TRATAR POR FUSION DICHO COPOLIMERO EN DONDE EL COPOLIMERO QUE CONTIENE LA SAL DE METALES ALCALI(NO TERREOS) CONTAMINANTE SE MEZCLA CON UNA CANTIDAD ESTABILIZADORA DE UNA SUSTANCIA CAPAZ DE ENLAZARSE A AL MENOS PARTE DE LA SAL DE METALES ALCALI(NO TERREOS), SIENDO LA SUSTANCIA DISTINTA DE LA HIDROXIAPATITA O DE UN SILICATO METALICO TRIVALENTE TIPO ZEOLITA Y EN DONDE LA MEZCLA RESULTANTE SE TRATA POR FUSION.

Herstellung von Copolymeren aus Kohlenmonoxid und ethylenisch ungesättigten Verbindungen, Zusammensetzungen und Schmelzprozess

Vinylaromat-blockcopolymere und dieselben enthaltende zusammensetzungen

Flame retarded polyurethane foam formulations with low smoke performance