Abstract: A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure —CO—NH2 and/or from compounds which comprise a group having the structure —CO—NH—CO— is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

Abstract: An in-situ formed polyurethane catalyst for catalyzing the formation of polyurethane in a reactive composition comprising polyisocyanate compounds and isocyanate reactive compounds, said catalyst formed by combining in said reactive composition: At least one lithium halide compound, and At least one epoxide compound wherein the amount of epoxide to be used is such that the number of epoxide equivalents per isocyanate equivalents is from larger than 0 up to 0.095 and the number of moles of lithium halide per isocyanate equivalent ranging of from 0.0001-0.06.

Abstract: Use of compounds selected from polyols derived from dimer fatty acids and/or dimer fatty alcohols as toughening agent in a process for making polyisocyanate polyaddition reaction products, in particular for polyisocyanate polyaddition reaction products having a hardblock >40% and a process for making said products.

Abstract: A curable polyisocyanate composition comprising at least one or more polyisocyanate compounds, at least one or more trimerization catalyst compounds, at least one or more aldehyde compounds wherein the aldehyde compound is selected from compounds with the structure R—CHO wherein CHO is an aldehyde group and R is a hydrocarbyl group selected from an alkyl, alkenyl or aryl having 1-50 carbon atoms, preferably 1-20 carbon atoms, and at least one or more compounds selected from compounds which comprise a carboxamide group having the structure —CO—NH2 and/or from compounds which comprise a group having the structure —CO—NH—CO—.

Abstract: An in-situ formed polyurethane catalyst for catalyzing the formation of polyurethane in a reactive composition comprising polyisocyanate compounds and isocyanate reactive compounds, said catalyst formed by combining in said reactive composition: At least one lithium halide compound, and At least one epoxide compound wherein the amount of epoxide to be used is such that the number of epoxide equivalents per isocyanate equivalents is from larger than 0 up to 0.095 and the number of moles of lithium halide per isocyanate equivalent ranging of from 0.0001-0.06.

Abstract: Curable composition obtained by combining and mixing an epoxy resin composition, comprising an epoxy resin and a carboxamide, and a polyisocyanate composition, comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4.

Abstract: The present invention is concerned with a material comprising: a matrix material comprising a plurality of urethane and/or urea and/or isocyanurate groups and having a hardblock content of more than 75% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) exhibits a phase change as measured by differential scanning calorimetry (DSC) in the temperature range ?10° C. to +60° C. with an enthalpy ?Hm of at least 87 kJ/kg, 3) is interpenetrating said matrix A, and 4) has an average molecular weight of more than 700 and comprises at least 50% by weight of oxyalkylene groups, based on the weight of this material, wherein at least 85% of the oxyalkylene groups are oxyethylene groups (hereinafter called polymeric material B); and wherein the relative amount of said matrix A and of said polymeric material B, on a weight basis, ranges from 15:85 to 75:25. Process for preparing such material.

Abstract: The invention provides a cross-linkable mixture of thermoplastic polyurethanes and ethylenic unsaturated compounds and thermoset materials that can obtained therefrom. The invention also provides application of the cross-linkable mixtures and processes in a solvent-less coating process.

Abstract: A stable partly cured polyisocyanate composition is disclosed which comprises polyisocyanurate (intermediate polyisocyanurate comprising material) and which is further curable. Furthermore a process for making the intermediate (partly cured) polyisocyanurate comprising material and a process for further curing the partly cured polyisocyanurate composition is disclosed. Also polyisocyanurate comprising materials made or obtainable from partly cured intermediate polyisocyanurate comprising material are disclosed and processes for further curing a partly cured polyisocyanurate comprising composition (intermediate material).

Abstract: A curable polyisocyanate composition comprising at least one or more polyisocyanate compounds, at least one or more trimerization catalyst compounds, at least one or more aldehyde compounds wherein the aldehyde compound is selected from compounds with the structure R—CHO wherein CHO is an aldehyde group and R is a hydrocarbyl group selected from an alkyl, alkenyl or aryl having 1-50 carbon atoms, preferably 1-20 carbon atoms, and at least one or more compounds selected from compounds which comprise a carboxamide group having the structure —CO—NH2 and/or from compounds which comprise a group having the structure —CO—NH—CO—.

Abstract: Stable polyisocyanate composition comprising a compound comprising a group having the structure —CO—NH—O— in such an amount that the ratio of the number of —CO—NH—CO— groups to the number of isocyanate groups is at most equal to 1. Curable composition comprising this polyisocyanate composition, lithium halide, urea and an epoxy resin.

Abstract: Use of compounds selected from polyols derived from dimer fatty acids and/or dimer fatty alcohols as toughening agent in a process for making polyisocyanate polyaddition reaction products, in particular for polyisocyanate polyaddition reaction products having a hardblock >40% and a process for making said products.

Abstract: A stable partly cured polyisocyanate composition is disclosed which comprises polyisocyanurate (intermediate polyisocyanurate comprising material) and which is further curable. Furthermore a process for making the intermediate (partly cured) polyisocyanurate comprising material and a process for further curing the partly cured polyisocyanurate composition is disclosed. Also polyisocyanurate comprising materials made or obtainable from partly cured intermediate polyisocyanurate comprising material are disclosed and processes for further curing a partly cured polyisocyanurate comprising composition (intermediate material).

Abstract: Curable composition obtained by combining and mixing an epoxy resin composition, comprising an epoxy resin and a carboxamide, and a polyisocyanate composition, comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4.

Abstract: A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure —CO—NH2 and/or from compounds which comprise a group having the structure —CO—NH—CO— is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

Abstract: Stable polyisocyanate composition comprising a compound comprising a group having the structure —CO—NH—O— in such an amount that the ratio of the number of —CO—NH—CO— groups to the number of isocyanate groups is at most equal to 1. Curable composition comprising this polyisocyanate composition, lithium halide, urea and an epoxy resin.

Abstract: A process for preparing a polyisocyanurate polyurethane material, which process comprises reacting a polyisocyanate and an isocyanate-reactive composition, wherein the reaction is conducted at an isocyanate index of 1600 to 100,000 and in the presence of a trimerization catalyst, wherein the polyisocyanate comprises a) 75-100% by weight of diphenylmethane diisocyanate comprising at least 40%, preferably at least 60% and most preferably at least 85% by weight of 4,4?-diphenylmethane diisocyanate and/or a variant of said diphenylmethane diisocyanate which variant is liquid at 25° C.

Abstract: Curable composition obtained by combining and mixing an epoxy resin composition comprising an epoxy resin, a monool and/or polyol and a a compound comprising a carboxamide group, and a polyisocyanate composition comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4. The epoxy resin composition is claimed as well.

Abstract: Elastomeric material having a density of more than 100 kg/m3 and comprising a matrix material comprising a plurality of urethane, urea and/or isocyanurate groups and having a hardblock content of more than 50% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) is interpenetrating said matrix A, and 3) is the reaction product of a polyisocyanate and a polymer having an average molecular weight of more than 500 and one isocyanate-reactive group at an isocyanate index of 100-250 (hereinafter called polymeric material B); and wherein the relative amount of all ingredients used to make said matrix A and of said polymeric material B, on a weight basis, ranges from 10:90 to 90:10 and process for making such materials.

Abstract: The invention provides a cross-linkable mixture of thermoplastic polyurethanes and ethylenic unsaturated compounds and thermoset materials that can obtained therefrom. The invention also provides application of the cross-linkable mixtures and processes in a solvent-less coating process.