PROCEDURE FOR THE PRODUCTION OF A PU SOFT FOAM

Process for preparing polyisocyanurate polyurethane material

ALDEHYDE COMPRISING COMPOUNDS SUITABLE FOR MAKING CURABLE POLYISOCYANATE COMPOSITIONS

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-.

CURABLE POLYISOCYANATE COMPOSITION COMPRISING AN EPOXY RESIN

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.

POLYISOCYANATE TRIMERIZATION CATALYST COMPOSITION

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.

Polyisocyanate Trimerization Catalyst Composition

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 CONH2 and/or from compounds which comprise a group having the structure CONHCO 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.

MANUFACTURING PROCESS FOR A POLYISOCYANURATVERBUND

PROCEDURE FOR THE PRODUCTION OF POLYISOCYANATE PU MATERIAL

PROCEDURE FOR THE PRODUCTION OF A POLYISOCYANURATPOLYURETHANMATERIALS

POLYISOCYANATE TRIMERIZATION CATALYST COMPOSITION

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.

Curable composition comprising a polyisocyanate composition

Stable polyisocyanate composition comprising a compound comprising a group having the structure -CO-NH-CO- 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.

Process for preparing polyisocyanurate polyurethane material

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 trimerisation 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 DEG C and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 25-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality ...

Process for preparing a polyisocyanurate polyurethane material

Flexible polyurethane foam

CURABLE COMPOSITION COMPRISING A POLYISOCYANATE COMPOSITION

Stable polyisocyanate composition comprising a compound comprising a group having the structure -CO-NH-CO- 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.

FOAMED MATERIALS COMPRISING A MATRIX HAVING A HIGH HARDBLOCK CONTENT AND PROCESS FOR PREPARING THEM

Foamed material having a density of less than 100 kg/m3 and comprising - a matrix material comprising a plurality of urea 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 a polymer having an average molecular weight of more than 500 which polymer comprises at least 50 % by weight of oxyethylene groups based on the weight of this polymer (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 70:30 and process for making such materials.

ELASTOMERIC MATERIALS HAVING A HIGH HARDBLOCK CONTENT AND PROCESS FOR PREPARING THEM

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.

A METHOD FOR IMPROVING TOUGHNESS OF POLYISOCYANATE POLYADDITION REACTION PRODUCTS

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.

MATERIALS COMPRISING A MATRIX AND PROCESS FOR PREPARING THEM

The present invention is concerned with particulate material having a number average particle diameter of 1 µm-1 cm, exhibiting a solid-solid phase change, as measured by differential scanning calorimetry (DSC), in the temperature range -10 °C to +100 °C and 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. Process for making this material and the use of it as.

MATERIALS COMPRISING A MATRIX AND PROCESS FOR PREPARING THEM

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.

A method for improving toughness of polyisocyanate polyaddition reaction products

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.

PROCEDURE FOR THE PRODUCTION OF A POLYISOCYANURATPOLYURETHANMATERIALS

Process for preparing polyisocyanurate polyurethane material

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 trimerisation 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 25-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality ...

Process for preparing a polyisocyanurate polyurethane material

PROCESS FOR MAKING A POLYISOCYANURATE COMPOSITE

Process for making a polyisocyanurate composite which process comprises combining a polyisocyanate, a polyether polyol and a trimerization catalyst with a to-be-bonded material to form a reactive composite, and allowing in a next step this reactive composite to react at elevated temperature, wherein the amount of the reactive binder composition is 1 - 60 % by weight and the amount of the to-be-bonded material is 40 - 99 % by weight, both calculated on the amount of the reactive binder composition plus the amount of th e to-be- bonded material, wherein the amount of the polyisocyanate and the polyol is such that the index is 150 - 10000, characterized in that the polyol is a polyol having an average equivalent weight of 100 - 2500 and an oxyethylene content of at least 50 % by weight. The reactive composite is claimed as well together with composites obtained from this process and from these reactive composites.

ELASTOMERIC MATERIALS HAVING A HIGH HARDBLOCK CONTENT AND PROCESS FOR PREPARING THEM

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.

INTERMEDIATE POLYISOCYANURATE COMPRISING MATERIALS

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 materialand 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).

Very soft polyurethane elastomer

Curable Polyisocyanate Composition

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. 2. The curable composition according to claim 1 , wherein the polyisocyanate composition has an isocyanate value of 10 to 48% by weight and preferably from 20 to 33% by weight.3. The curable composition according to claim 1 , wherein the compound comprising a group having the structure —CO—NH—CO— corresponds to the structure R—CO—NH—CO—Rwherein Rand Reach independently from each other are selected from 1) hydrogen (—H) claim 1 , 2) —NRR claim 1 , 3) hydrocarbyl having 1-100 carbon atoms and optionally comprising hydroxy claim 1 , ether claim 1 , halogen claim 1 , carboxyl claim 1 , oxygen claim 1 , isocyanate and/or amine groups wherein Rand R4 independently from each other claim 1 , are selected from hydrogen claim 1 , hydroxy claim 1 , halogen and hydrocarbyl groups which hydrocarbyl groups have 1-20 carbon atoms and optionally comprise hydroxy claim 1 , ether claim 1 , halogen claim 1 , carboxyl claim 1 , isocyanate and/or amine groups claim 1 , wherein Rand Rmay be linked to each other essentially forming a ring structure including the —CO—NH—CO— group claim 1 , and wherein the hydrocarbyl groups in the compounds corresponding to the formula R—CO—NH—CO—Rmay be a combination of linear claim 1 , branched claim 1 , saturated claim 1 , unsaturated claim 1 , cyclic and/or non-cyclic aliphatic claim 1 , aromatic or araliphatic hydrocarbyls and mixtures of such compounds.4. The curable composition according to claim 1 , wherein the compound comprising a group having the structure —CO—NH—CO— corresponds to a compound comprising a —CO—NH—CO—NH— group which is a reaction product of a compound comprising a carboxamide group having the ...

Curable polyisocyanate composition comprising an epoxy

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.

PROCESS FOR PREPARING POLYISOCYANURATE POLYURETHANE MATERIAL

FOAMED MATERIALS COMPRISING A MATRIX HAVING A HIGH HARDBLOCK CONTENT AND PROCESS FOR PREPARING THEM

Foamed material having a density of less than 100 kg/m3 and comprising - a matrix material comprising a plurality of urea 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 a polymer having an average molecular weight of more than 500 which polymer comprises at least 50 % by weight of oxyethylene groups based on the weight of this polymer (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 70:30 and process for making such materials.

PROCESS FOR MAKING A FLEXIBLE POLYURETHANE FOAM

Process for preparing a flexible polyurethane foam comprising reacting at an isocyanate index of 70 to 130, preferably 80-120, most preferably 100-115,1) 40-65 and preferably 45-63 parts by weight of a polyisocyanate composition comprising a) 80-100 % by weight of a diphenylmethane diisocyanate (MDI) component comprising, based on 100 parts by weight of the MDI component, 1) 75-100 and preferably 85-100 parts by weight of diphenylmethane diisocyanate comprising 15-75, preferably 25-75 and most preferably 30 to 70 parts by weight of 4,4'-diphenylmethane diisocyanate, and 25 to 85, preferably 25 to 75 and most preferably 30 to 70 parts by weight of 2,4'-MDI, and 2,2'-MDI and/or a liquid variant of such diphenylmethane diisocyanate, and 2) 0 to 25 and preferably 0-15 parts by weight of homologues of diphenylmethane diisocyanates having an isocyanate functionality of 3 or more; and b) 20-0 % by weight of toluene diisocyanate; 2) 20 to 45, preferably 20-40 parts by weight of a polyether polyol ...

CROSS-LINKABLE THERMOPLASTIC POLYURETHANES

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.

CURABLE POLYISOCYANATE COMPOSITION COMPRISING AN EPOXY RESIN

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.

COMPOSITION MADE FROM A DIISOCYANATE AND A MONOAMINE AND PROCESS FOR PREPARING IT

Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well.

VERY SOFT POLYURETHANE ELASTOMER

PROBLEM TO BE SOLVED: To provide a very soft elastomeric polyurethane material and to provide a process for producing the elastomeric polyurethane material. SOLUTION: The process for producing an elastomeric polyurethane material comprises reacting (1) a polymethylene polyphenylene polyisocyanate having an average isocyanate functionality of 2.4 or more, (2) a polymeric polyol having an average equivalent weight of at least 500 and an average nominal hydroxyl functionality of 2-4, (3) a polymer having a nominal hydroxyl functionality of 1 and an average equivalent weight of at least 500, and (4) optionally a known additive and auxiliary agent. COPYRIGHT: (C)2008,JPO&INPIT ...

HERSTELLUNGSVERFAHREN FÜR EINEN POLYISOCYANURATVERBUND

Process for preparing a polyisocyanurate polyurethane material

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 150 to 5000 and in the presence of a trimerisation catalyst, wherein the polyisocyanate comprises a) 80- 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 20-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 1100-5000 and an oxyethylene (EO) content of 50-90% by weight and b) 20-0% by weight of one or more other isocyanate-reactive compounds, the amount of polyo l a) and isocyanate-reactive compound b) being calculated on the total amount of this polyol a) and compound b) and wherein the hardblock content is at most 49%.

IN-SITU FORMATION OF POLYURETHANE CATALYSTS

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.

PROCESS FOR PREPARING POLYISOCYANURATE POLYURETHANE MATERIAL

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 trimerisation 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 25-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality ...

INTERMEDIATE POLYISOCYANURATE COMPRISING MATERIALS

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 materialand 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).

CURABLE COMPOSITION COMPRISING A POLYISOCYANATE COMPOSITION

Stable polyisocyanate composition comprising a compound comprising a group having the structure -CO-NH-CO- 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.

EPOXY RESIN COMPOSITION

Curable composition obtained by combining and mixing an epoxy resin composition comprising an epoxy resin, a monool and/or polyol and 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.

Intermediate polyisocyanurate comprising materials

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).

Composition from a polyisocyanate and a polyether monoamine

Composition obtained by reacting a polyisocyanate which is a diphenylmethane diisocyanate, optionally comprising a homologue comprising 3 or more isocyanate groups, and/or a variant of such diisocyanate with a monoalkylether of a polyoxyalkylene monoamine having an average molecular weight of 550-3000 and an oxyethylene content of more than 50% by weight, calculated on the weight of the monoamine, and the alkyl group having 1-4 carbon atoms at index of 100-250. It is used as plasticizer, particularly in polyurethane and/or polyurea materials.

Aldehyde Comprising Compounds Suitable for Making Curable Polyisocyanate Compositions

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—NHand/or from compounds which comprise a group having the structure —CO—NH—CO—. 1. 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{'sub': '2', 'at least one or more compounds selected from compounds which comprise a carboxamide group having the structure —CO—NHand/or from compounds which comprise a group having the structure —CO—NH—CO—'}{'sub': 2', '2, 'wherein the number of equivalents of compounds which comprise a carboxamide group having the structure —CO—NHand/or from compounds which comprise a group having the structure —CO—NH—CO— is smaller or equal than the number of aldehyde equivalents and wherein the number of equivalents of compounds which comprise a carboxamide group having the structure —CO—NHand/or compounds which comprise a group having the structure —CO—NH—CO in the curable polyisocyanate composition over the number of trimerization catalyst equivalents is higher than 0.75.'}2. The curable polyisocyanate composition according to claim 1 ,wherein the hydrocarbyl group R in the aldehyde compound is a combination of linear, branched, ...

Process for making a polyisocyanurate composite

Flexible polyurethane foam

PROCESS FOR MAKING A POLYISOCYANURATE COMPOSITE

Process for making a polyisocyanurate composite which process comprises combining a polyisocyanate, a polyether polyol and a trimerization catalyst with a to-be-bonded material to form a reactive composite, and allowing in a next step this reactive composite to react at elevated temperature, wherein the amount of the reactive binder composition is 1 - 60 % by weight and the amount of the to-be-bonded material is 40 - 99 % by weight, both calculated on the amount of the reactive binder composition plus the amount of th e to-be-bonded material, wherein the amount of the polyisocyanate and the polyol is such that the index is 150 - 10000, characterized in that the polyol is a polyol having an average equivalent weight of 100 - 2500 and an oxyethylene content of at least 50 % by weight. The reactive composite is claimed as well together with composites obtained from this process and from these reactive composites.

EPOXY RESIN COMPOSITION

Curable composition obtained by combining and mixing an epoxy resin composition comprising an epoxy resin, a monool and/or polyol and 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.

NOVEL COMPOSITION FROM A POLYISOCYANATE AND A POLYETHER MONOAMINE

Composition obtained by reacting a polyisocyanate which is a diphenylmethane diisocyanate, optionally comprising a homologue comprising 3 or more isocyanate groups, and/or a variant of such diisocyanate with a monoalkylether of a polyoxyalky-lene monoamine having an average molecular weight of 550-3000 and an oxyethylene content of more than 50 % by weight, calcu-lated on the weight of the monoamine, and the alkyl group having 1-4 carbon atoms at index of 100-250. It is used as plasticizer, particularly in polyurethane and/or polyurea materials.

CROSS-LINKABLE THERMOPLASTIC POLYURETHANES

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.

Process for preparing a polyisocyanurate polyurethane material

NOVEL COMPOSITION FROM A POLYISOCYANATE AND A POLYETHER MONOAMINE

Composition obtained by reacting a polyisocyanate which is a diphenylmethane diisocyanate, optionally comprising a homologue comprising 3 or more isocyanate groups, and/or a variant of such diisocyanate with a monoalkylether of a polyoxyalky-lene monoamine having an average molecular weight of 550-3000 and an oxyethylene content of more than 50 % by weight, calcu-lated on the weight of the monoamine, and the alkyl group having 1-4 carbon atoms at index of 100-250. It is used as plasticizer, particularly in polyurethane and/or polyurea materials.

MATERIALS COMPRISING A MATRIX AND PROCESS FOR PREPARING THEM

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 .DELTA.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 ...

Process for preparing a polyisocyanurate polyurethane material

Process for making a flexible polyurethane foam

Process for preparing a polyisocyanurate polyurethane material

Process for making a flexible polyurethane foam

Flexible polyurethane foam

Flexible polyurethane foam

Composition made from a diisocyanate and a monoamine and process for preparing it

Curable polyisocyanate composition

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.

VERFAHREN ZUR HERSTELLUNG VON POLYISOCYANAT-POLYURETHAN-MATERIAL

Composition made from a diisocyanate and a monoamine and process for preparing it

Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well.

PROCESS FOR PREPARING A POLYISOCYANURATE POLYURETHANE MATERIAL

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 150 to 1500 and in the presence of a trimerisation catalyst, wherein the polyisocyanate consists of a) 80-100% 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 20-0% by weight of another polyisocyanate (polyisocyanate b), and wherein the isocyanatereactive composition consists of a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 150-1000, an average molecular weight of 600- 5000, an oxyethylene (EO) content of 75-100% by weight ...

PROCESS FOR PREPARING A POLYISOCYANURATE POLYURETHANE MATERIAL

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 150 to 5000 and in the presence of a trimerisation catalyst, wherein the polyisocyanate comprises a) 80-100% 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 20-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of ...

PROCESS FOR MAKING A POLYISOCYANURATE COMPOSITE

Process for making a polyisocyanurate composite which process comprises combining a polyisocyanate, a polyether polyol and a trimerization catalyst with a to-be-bonded material to form a reactive composite, and allowing in a next step this reactive composite to react at elevated temperature, wherein the amount of the reactive binder composition is 1-60 % by weight and the amount of the to-be-bonded material is 40-99 % by weight, both calculated on the amount of the reactive binder composition plus the amount of th e to-be-bonded material, wherein the amount of the polyisocyanate and the polyol is such that the index is 150-10000, characterized in that the polyol is a polyol having an average equivalent weight of 100-2500 and an oxyethylene content of at least 50 % by weight. The reactive composite is claimed as well together with composites obtained from this process and from these reactive composites. © KIPO & WIPO 2009 ...

COMPOSITION MADE FROM A DIISOCYANATE AND A MONOAMINE AND PROCESS FOR PREPARING IT

Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well. © KIPO & WIPO 2009 ...

Foamed materials comprising a matrix having a high highblock content and process for preparing them

Foamed material having a density of less than 100 kg/m3 and comprising a matrix material comprising a plurality of urea 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 a polymer having an average molecular weight of more than 500 which polymer comprises at least 50% by weight of oxyethylene groups based on the weight of this polymer (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 70:30 and process for making such materials.

Polyisocyanate trimerization catalyst composition

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.

VERY SOFT POLYURETHANE ELASTOMER

Process for preparing an elastomeric polyurethane material by reacting a polyisocyanate, a polyol and a monool. © KIPO & WIPO 2007 ...

Elastomeric materials having a high hardblock content and process for preparing them

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.

Materials Comprising a Matrix and Process for Preparing Them

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 ΔHm 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. 1. 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{'sub': 'm', '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 ΔHof 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.'}2. The material according to wherein the ...

PROCESS FOR PREPARING POLYISOCYANURATE POLYURETHANE MATERIAL

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 trimerisation 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 25-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality ...

A method for improving toughness of polyisocyanate polyaddition reaction products

VERFAHREN ZUR HERSTELLUNG EINES POLYISOCYANURATPOLYURETHANMATERIALS

Process for making a polyisocyanurate composite

Process for making a polyisocyanurate composite which process comprises combining a polyisocyanate, a polyether polyol and a trimerization catalyst with a to-be-bonded material to form a reactive composite, and allowing in a next step this reactive composite to react at elevated temperature, wherein the amount of the reactive binder composition is 1-60 % by weight and the amount of the to-be-bonded material is 40-99 % by weight, both calculated on the amount of the reactive binder composition plus the amount of th e to-be-bonded material, wherein the amount of the polyisocyanate and the polyol is such that the index is 150-10000, characterized in that the polyol is a polyol having an average equivalent weight of 100 - 2500 and an oxyethylene content of at least 50 % by weight. The reactive composite is claimed as well together with composites obtained from this process and from these reactive composites.

Epoxy resin composition

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.

Process for making a polyisocyanurate composite

Process for making a polyisocyanurate composite which process comprises combining a polyisocyanate, a polyether polyol and a trimerization catalyst with a to-be-bonded material to form a reactive composite, and allowing in a next step this reactive composite to react at elevated temperature, wherein the amount of the reactive binder composition is 1-60 % by weight and the amount of the to-be-bonded material is 40-99 % by weight, both calculated on the amount of the reactive binder composition plus the amount of th e to-be-bonded material, wherein the amount of the polyisocyanate and the polyol is such that the index is 150-10000, characterized in that the polyol is a polyol having an average equivalent weight of 100 - 2500 and an oxyethylene content of at least 50 % by weight. The reactive composite is claimed as well together with composites obtained from this process and from these reactive composites.

Intermediate polyisocyanurate comprising materials

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).

Cross-linkable thermoplastic polyurethanes

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.

MATERIALS COMPRISING A MATRIX AND PROCESS FOR PREPARING THEM

The present invention is concerned with particulate material having a number average particle diameter of 1 m-1 cm, exhibiting a solid-solid phase change, as measured by differential scanning calorimetry (DSC), in the temperature range 10° C. to +100° C. and 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. Process for making this material and the use of it as.

Curable polyisocyanate composition comprising epoxy resin

A curable composition is obtained by combining and mixing an epoxy resin composition and a polyisocyanate composition, wherein the epoxy resin composition comprises an epoxy resin and a carboxamide, the polyisocyanate composition comprises a polyisocyanate, a lithium halide and a urea compound, 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 ranges from 0.0001-0.4.

Aldehyde comprising compounds suitable for making curable polyisocyanate compositions

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-.

Materials comprising a matrix and process for preparing them

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 ΔHm 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.

Foamed materials comprising a matrix having a high hardblock content and process for preparing them

Foamed material having a density of less than 100 kg/m3 and comprising - a matrix material comprising a plurality of urea 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 a polymer having an average molecular weight of more than 500 which polymer comprises at least 50 % by weight of oxyethylene groups based on the weight of this polymer (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 70:30 and process for making such materials.

Novel composition from a polyisocyanate and a polyether monoamine

Curable Polyisocyanate Composition Comprising an Epoxy

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.

Composition made from a diisocyanate and a monoamine and process for preparing it

Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well.

Novel composition from a polyisocyanate and a polyether monoamine

Composition obtained by reacting a polyisocyanate which is a diphenylmethane diisocyanate, optionally comprising a homologue comprising 3 or more isocyanate groups, and/or a variant of such diisocyanate with a monoalkylether of a polyoxyalkylene monoamine having an average molecular weight of 550-3000 and an oxyethylene content of more than 50 % by weight, calculated on the weight of the monoamine, and the alkyl group having 1-4 carbon atoms at index of 100-250. It is used as plasticizer, particularly in polyurethane and/or polyurea materials.

Polyisocyanate trimerization catalyst composition

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.

Intermediate Polyisocyanurate Comprising Materials

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).

Elastomeric materials having a high hardblock content and process for preparing them

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.

Flexible polyurethane foam

Polyisocyanate trimerization catalyst composition

MANUFACTURING PROCESS OF POLYISOCYANURATE POLYURETHANE MATERIAL

PROBLEM TO BE SOLVED: To provide a manufacturing process of a polyisocyanurate polyurethane material using a polyetherpolyol having a high polyoxyethylene content and a polyisocyanate having a high diphenylmethane diisocyanate (MDI) content. SOLUTION: In this process, reaction is carried out at an isocyanate index of 150-1,500 in the presence of a trimerization catalyst, and the polyisocyanate is 80-100 wt.% diphenylmethane diisocyanate containing at least 40 wt.% 4,4'-diphenylmethane diisocyanate and/or diphenylmethane diisocyanate variant which is liquid at 25°C and has at least 20 wt.% NCO value, and the isocyanate reactive composition is 80-100 wt.% polyetherpolyol having an average nominal number of functional groups of 2-6, an average equivalent of 150-1,000, an average molecular weight of 600-5,000 and an oxyethylene content of 75-100 wt.%. COPYRIGHT: (C)2011,JPO&INPIT ...

Aldehyde comprising compounds suitable for making curable polyisocyanate compositions

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—.

Process for making a flexible polyurethane foam

Process for preparing a flexible polyurethane foam comprising reacting at an isocyanate index of 70 to 130, 1) 40-65 parts by weight of a polyisocyanate composition comprising a) 80-100% by weight of a diphenylmethane diisocyanate component comprising, based on 100 parts by weight of the diphenylmethane diisocyanate component, i) 75-100 parts by weight of diphenylmethane diisocyanate comprising 15-75 parts by weight of 4,4′-diphenylmethane diisocyanate, and 25 to 85 parts by weight of 2,4′-diphenylmethane diisocyanate, and 2,2′-diphenylmethane diisocyanate and/or a liquid variant of such diphenylmethane diisocyanate, and ii) 0 to 25 parts by weight of homologues of diphenylmethane diisocyanates having an isocyanate functionality of 3 or more; and b) 20-0% by weight of toluene diisocyanate; 2) 20 to 45 parts by weight of a polyether polyol having an average molecular weight of 4500-10000, an average nominal functionality of 2-6 and comprising oxypropylene and optionally oxyethylene groups, the amount of oxypropylene groups being at least 70% by weight calculated on the weight of this polyol; 3) 3 to 20 parts by weight of a polyether polyol having an average molecular weight of 700-4000, an average nominal functionality of 2-6 and an hydroxyl value of at most 225 mg KOH/g and comprising oxyethylene and optionally oxypropylene groups, the amount of oxyethylene groups being at least 70% by weight calculated on the weight of this polyol; and 4) 2-6 parts by weight of water, wherein the amount of the polyisocyanate composition, polyol 2), polyol 3), and water being 100 parts by weight.

CROSS-LINKABLE THERMOPLASTIC POLYURETHANES

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. 1. A cross-linkable mixture comprising a thermoplastic polyurethane containing radically polymerizable unsaturated groups at the end of the thermoplastic polyurethane chain with a number average molecular weight of 5000 to 12000 , preferably 5000 to 10000 , most preferably 5000 to 8000 , and ethylenically unsaturated compounds.2. The cross-linkable mixture according to wherein the thermoplastic polyurethane is preferably urea-free claim 1 , isocyanurate-free claim 1 , oxazolinyl-free and functional radically-polymerizable pendant group free and is obtainable by reacting one or more polyfunctional isocyanates claim 1 , one or more polyfunctional polyols claim 1 , one or more monofunctional alcohols or amines comprising radically-polymerizable unsaturation(s) and one or more diol chain extenders.3. The cross-linkable mixture according to wherein the alcohol or amine comprising radically polymerizable unsaturations is selected from the group consisting of polyalkylene glycol mono methacrylates and polyalkylene glycol mono acrylates and combinations thereof.4. The cross-linkable mixture according to claim wherein the amount of alcohol or amine comprising radically polymerizable unsaturations is between 0.08 mmole and 0.35 mmole per gram of cross-linkable mixture.5. The cross-linkable mixture according to any one of the preceding claims wherein said ethylenically unsaturated compound is selected from the group consisting of mono acrylates and mono methacrylates and combinations thereof.6. The cross-linkable according to wherein the amount of thermoplastic polyurethane is between 45 and 70% by weight and the amount of ethylenically unsaturated compound is between 30 and 55% by weight claim ...

Epoxy Resin Composition

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. 1. An epoxy resin composition comprising an epoxy resin , a monool and/or a polyol and a carboxamide compound which comprises a carboxamide group having the structure —CO—NHwherein the number of hydroxy equivalents per epoxy equivalent is 0.02-100 and preferably 0.03-50 and most preferably 0.05-10 and the number of carboxamide equivalents per epoxy equivalent is 0.0005-1 and preferably 0.005-0.7 and most preferably of 0.01-0.5.2. The epoxy resin composition according to wherein the monool and/or the polyol has an average nominal functionality of 1-8 and an average molecular weight of 32-8000 and wherein the number of hydroxy equivalents per epoxy equivalent is 0.05-10.3. The epoxy resin composition according to wherein the carboxamide compound has the structure NH—CO—R wherein R is 1) hydrogen (—H) claim 1 , 2) —NRR claim 1 , 3) hydrocarbyl having 1-20 carbon atoms and optionally comprising hydroxy claim 1 , ether claim 1 , halogen and/or amine groups claim 1 , or 4) —R—CO—NH claim 1 , wherein Rand R claim 1 , independently from each other claim 1 , are selected from hydrogen claim 1 , hydroxy claim 1 , halogen and hydrocarbyl groups which hydrocarbyl groups have 1-10 carbon atoms and optionally comprise hydroxy claim 1 , ether claim 1 , halogen and/or amine groups and wherein Ris a bivalent hydrocarbon radical having up to 8 carbon atoms and mixtures of such compounds and wherein the number of carboxamide equivalents per epoxy equivalent is 0.01-0.5.4. The ...

Polyisocyanate Trimerization Catalyst Composition

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—NHand/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. 1. A trimerization catalyst composition comprising:a trimerization catalyst compound selected from one or more organic metal salts, selected from alkali or earth alkali metal salts, and{'sub': '2', 'one or more compounds selected from compounds which comprise a carboxamide group having the structure —CO—NHand/or from compounds which comprise a group having the structure —CO—NH—CO—.'}2. The catalyst composition according to wherein the number of equivalents of compounds which comprise a group having the structure —CO—NH—CO— is greater than the number of trimerization catalyst equivalents.3. The catalyst composition according to wherein the number of equivalents of compounds which comprise a carboxamide group having the structure —CO—NHis greater than the number of trimerization catalyst equivalents claim 1 , preferably greater than 4 times the number of trimerization catalyst equivalents.4. The catalyst composition according to wherein the organic metal salt is a carboxylate or alkoxide and is preferably selected from one or more of potassium acetate claim 1 , potassium hexanoate claim 1 , ...

Curable Polyisocyanate Composition Comprising an Epoxy

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. 1. A curable composition obtained by combining and mixinga polyisocyanate composition, comprising a polyisocyanate, a lithium halide and a urea compound that is the reaction product of a second polyisocyanate and an amine, and wherein the urea compound has an average molecular weight of 500-15000 and optionally comprising biuret groups wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea 1 biuret equivalents per isocyanate equivalent ranges of from 0.0001-0.4 and the number of epoxy equivalents per isocyanate equivalent ranges of from 0.003-1, and wherein the polyisocyanate and the second polyisocyanate may be the same or different, and{'sub': '2', 'an epoxy resin, composition comprising an epoxy resin, a compound which comprises a carboxamide group having the structure —CO—NHand optionally a solvent which has no isocyanate-reactive groups, and, optionally, wherein the number of carboxamide equivalents per epoxy equivalent is 0.0005-1.'}2. The composition according to claim 1 , wherein the compound which comprises a carboxamide group has the structure NH—CO—R wherein R is 1) hydrogen (—H) claim 1 , 2) —NRR claim 1 , 3) hydrocarbyl having 1-20 carbon atoms and optionally comprising hydroxy claim 1 , ether claim 1 , halogen and/or amine groups claim 1 , or 4) —R—CO—NH claim 1 , wherein Rand R claim 1 , independently from each other claim 1 , are selected from hydrogen claim 1 , hydroxy claim 1 , halogen and hydrocarbyl groups which hydrocarbyl groups have 1-10 carbon atoms and optionally ...

A Method For Improving Toughness of Polyisocyanate Polyaddition Reaction Products

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. 1. A method for improving the toughness of polyisocyanate polyaddition reaction products having a glass transition temperature of at least 80° C. said method comprising at least reacting at an isocyanate index of at least 100:(a) isocyanates, and(b) isocyanate-reactive compounds, and optional(c) catalyst compounds, and optional(d) blowing agents and/or other auxiliary compoundscharacterized in that the isocyanate-reactive compounds (b) comprise 1-20 pbw of compounds selected from polyols derived from dimer fatty acids and/or dimer fatty alcohols (calculated on the total weight of ingredients (a)-(d)) and wherein the hardblock content of the polyisocyanate polyaddition reaction products is at least 40%.2. The method according to claim 1 , wherein the polyols derived from dimer fatty acids and/or dimer fatty alcohols are selected from polyester polyols derived from dimer fatty acids.3. The method according to claim 1 , wherein the dimer fatty acids are selected from dimer fatty acids wherein the fatty acid is selected from C10-C30.4. The method according to claim 1 , wherein the dimer fatty acids includes dimerisation products of oleic acid claim 1 , linoleic acid claim 1 , linolenic acid claim 1 , palmitoleic acid and/or elaidic acid.5. The method according to claim 1 , wherein the isocyanate-reactive compounds (b) comprise preferably 2.5 up to 7 pbw of compounds selected from polyols derived from dimer fatty acids and/or dimer fatty alcohols (calculated on the total weight of ingredients (a)-(d)).6. The method according to claim 1 , wherein the isocyanate-reactive compounds (b) comprise polyamines and/or polyetherpolyols and/or polyesterpolyols having an ...

Polyisocyanate Trimerization Catalyst Composition

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—NHand/or from compounds which comprise a group having the structure —CO—NH—CO— is disclosed.

Intermediate Polyisocyanurate Comprising Materials

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). 1. A process for making a stable , intermediate and further curable polyisocyanurate comprising material which comprises free isocyanate (NCO) groups , has an NCO value of 5-30% by weight , and wherein the final concentration of the polyisocyanurate compounds does not change more than 10% from its initial value (calculated as a change in NCO value) when kept at room temperature (around 20° C.) and ambient pressure for at least 5 hours , which process comprises at least the steps of:Providing a polyisocyanate composition, and then,{'sub': '2', 'Combining and mixing compounds which comprise a group having the structure —CO—NHto the polyisocyanate composition, and subsequently or simultaneously,'}{'sub': '2', 'Combining and mixing a trimerization catalyst compound to the polyisocyanate composition in such amount that the number of equivalents of compounds which comprise a group having the structure —CO—NHover the number of trimerization catalyst equivalents is below 4 and higher than 0.75, and then,'}Allowing the composition to react, and then,Optionally cooling down the composition.2. The process according to claim 1 , wherein the step of allowing the composition to react gives rise to an elevated temperature below 90° C. and naturally cools down to room temperature.3. The process according to claim 1 , wherein the polyisocyanate composition further ...

A method for improving toughness of polyisocyanate polyaddition reaction products

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.

Compatible substances

Polyisocyanate composition

Polyisocyanate composition comprising a Group IVB metal compound, preferably a titanium chelate, optionally in combination with a compatibilising compound and/or conventional release agents and the use thereof in binding lignocellulosic material.

Compatibilising agents

Compatibilising agent being the reaction product of an organic mono- or polyfunctional isocyanate and a compound corresponding to general formula (I), wherein Y1 and Y2 (same or different) represent O or S; n and n' (same or different) represent an integer of from 0 to 1, R and R' (same or different) represent an aliphatic hydrocarbon radical containing from 1 to 30 carbon atoms and wherein the sum of the total number of carbon atoms of R and R' is between 7 and 40, and its use for improving the release performance of metal carboxylate containing polyisocyanate compositions for woodbinding.

crosslinkable mixing, method of preparing a crosslinkable mixture, and processes for preparing a thermosetting material and for preparing a coating

mistura reticulável, método de preparar uma mistura reticulável, e, processos para preparar um material termofixo e para preparar um revestimento. a invenção provê uma mistura reticulável de poliuretanos termoplásticos e compostos etilênicos insaturados e materiais termofixos que possam ser dela obtidos. a invenção também provê a aplicação das misturas reticuláveis e processos em um processo de revestimento de menos solvente. crosslinkable mixing, method of preparing a crosslinkable mixture, and processes for preparing a thermosetting material and for preparing a coating. The invention provides a crosslinkable mixture of thermoplastic polyurethanes and unsaturated ethylenic compounds and thermoset materials obtainable therefrom. The invention also provides for the application of crosslinkable mixtures and processes in a less solvent coating process.

Epoxy resin composition

Curable composition obtained by combining and mixing an epoxy resin composition comprising an epoxy resin, a monool and/or polyol and 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.

Process for preparing a polyisocyanurate polyurethane material

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 150 to 1500 and in the presence of a trimerisation catalyst, wherein the polyisocyanate consists of a) 80-100% 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 20-0% by weight of another polyisocyanate (polyisocyanate b), and wherein the isocyanatereactive composition consists of a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 150-1000, an average molecular weight of 600-5000, an oxyethylene (EO) content of 75-100% by weight and b) 20­0% by weight of one or more other isocyanate-reactive compounds excluding water, the amount of polyol a) and isocyanate-reactive compound b) being calculated on the total amount of this polyol a) and compound b).

Very soft polyurethane elastomer�

In the present invention, there is disclosed a process for preparing an elastomeric polyurethane material having Shore A hardness at the most 5, a density of 500kg/me3 or more, a compression load deflection (CLD) at 40% of 600 kPa or less and a resilience of 25 percent or less by by reacting 1) a polymethylene polyphenylene polyisocyanate having an average isocyanate functionality of 2.4 or more, 2) a polymeric polyol having an average equivalent weight of at least 500 and an average nominal hydroxyl functionality of 2-4, 3) a polymer having a nominal hydroxyl functionality of 1 and an average equivalent weight of at least 500, and 4) optionally using additives and auxiliaries known per se in an amount of less tan 5 percent by weight based on the total weight of the polyisocyanate 1), the polymeric polyol 2) and the polemer 3), wherein the reaction is carried out at an index of 90-110 and the equivalent amount of polymer 3) is 25 to 80 pecent of the available NCO equivalents.

Aldehyde comprising compounds suitable for making curable polyisocyanate compositions

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-.

Curable polyisocyanate composition comprising an epoxy resin

Epoxy resin composition

Process for preparing a polyisocyanurate polyurethane material

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 150 to 5000 and in the presence of a trimerisation catalyst, wherein the polyisocyanate comprises a) 80- 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 20-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 1100-5000 and an oxyethylene (EO) content of 50-90% by weight and b) 20-0% by weight of one or more other isocyanate-reactive compounds, the amount of polyo l a) and isocyanate-reactive compound b) being calculated on the total amount of this polyol a) and compound b) and wherein the hardblock content is at most 49%.

Compatibilising agents

Compatibilising agent being the reaction product of an organic mono- or polyfunctional isocyanate and a compound corresponding to general formula (I), wherein Y1 and Y2 (same or different) represent O or S; n and n' (same or different) represent an integer of from 0 to 1, R and R' (same or different) represent an aliphatic hydrocarbon radical containing from 1 to 30 carbon atoms and wherein the sum of the total number of carbon atoms of R and R' is between 7 and 40, and its use for improving the release performance of metal carboxylate containing polyisocyanate compositions for woodbinding.

Cross-linkable thermoplastic polyurethanes

Foamed materials comprising a matrix having a high highblock content and process for preparing them

Foamed material having a density of less than 100 kg/m 3 and comprising a matrix material comprising a plurality of urea 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 a polymer having an average molecular weight of more than 500 which polymer comprises at least 50% by weight of oxyethylene groups based on the weight of this polymer (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 70:30 and process for making such materials.

Intermediate polyisocyanurate comprising materials

Aldehyde comprising compounds suitable for making curable polyisocyanate compositions

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-NH 2 and/or from compounds which comprise a group having the structure -CO-NH-CO-.

Polyisocyanate trimerization catalyst composition.

Se describe una composición de catalizador de trimerización que comprende un compuesto catalizador de trimerización seleccionado de una o más sales metálicas orgánicas, preferentemente sales de metales alcalinos o alcalinotérreos, y uno o más compuestos seleccionados de compuestos que comprenden un grupo carboxamida que tienen la estructura -CO-NH2 y/o de compuestos que comprenden un grupo que tiene la estructura -CO-NH-CO-. Adicionalmente, se describe una composición estable de poliisocianato que comprende la composición de catalizador y un proceso para producir la composición de poliisocianato. Una composición curable de poliisocianato se obtiene la cual comprende la composición de catalizador, una composición de poliisocianato, una resma epoxi y opcionalmente una composición de poliol/monool y un material que comprende poliisocianurato producido al permitir que la composición curable reaccione a temperatura elevada y un proceso para producir el material que comprende poliisocianurato.

Process for making a flexible polyurethane foam

Process for preparing a flexible polyurethane foam comprising reacting at an isocyanate index of 70 to 130, preferably 80-120, most preferably 100-115,1) 40-65 and preferably 45-63 parts by weight of a polyisocyanate composition comprising a) 80-100 % by weight of a diphenylmethane diisocyanate (MDI) component comprising, based on 100 parts by weight of the MDI component, 1) 75-100 and preferably 85-100 parts by weight of diphenylmethane diisocyanate comprising 15-75, preferably 25-75 and most preferably 30 to 70 parts by weight of 4,4'-diphenylmethane diisocyanate, and 25 to 85, preferably 25 to 75 and most preferably 30 to 70 parts by weight of 2,4'-MDI, and 2,2'-MDI and/or a liquid variant of such diphenylmethane diisocyanate, and 2) 0 to 25 and preferably 0-15 parts by weight of homologues of diphenylmethane diisocyanates having an isocyanate functionality of 3 or more; and b) 20-0 % by weight of toluene diisocyanate; 2) 20 to 45, preferably 20-40 parts by weight of a polyether polyol (polyol 2) having an average molecular weight of 4500-10000, an average nominal functionality of 2-6 and preferably 2-4 and comprising oxypropylene and optionally oxyethylene groups, the amount of oxypropylene groups being at least 70 % by weight calculated on the weight of this polyol; 3) 3 to 20 parts by weight of a polyether polyol (polyol 3) having an average molecular weight of 700-4000 and preferably of 1000-2000, an average nominal functionality of 2-6 and an hydroxyl value of at most 225 mg KOH/g and comprising oxyethylene and optionally oxypropylene groups, the amount of oxyethylene groups being at least 70 % by weight calculated on the weight of this polyol; and 4) 2-6 parts by weight of water, the amount of polyisocyanate 1), polyol 2), polyol 3) and water being 100 parts by weight.

Elastomeric materials having a high hardblock content and process for preparing them

Process for preparing polyisocyanurate polyurethane material

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 trimerisation 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 and has an NCO value of at least 20% by weight (polyisocyanate a), and b) 25-0% by weight of another polyisocyanate (polyisocyanate b), the amount of polyisocyanate a) and polyisocyanate b) being calculated on the total amount of this polyisocyanate a) and polyisocyanate b), and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 1100-5000 and an oxyethylene (EO) content of 65-100% by weight and b) 20-0% by weight of one or more other isocyanate-reactive compounds, the amount of polyol a) and isocyanate-reactive compound b) being calculated on the total amount of this polyol a) and compound b).

Novel composition from a polyisocyanate and a polyether monoamine

Foamed materials comprising a matrix having a high hardblock content and process for preparing them

Foamed material having a density of less than 100 kg/m 3 and comprising - a matrix material comprising a plurality of urea 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 a polymer having an average molecular weight of more than 500 which polymer comprises at least 50 % by weight of oxyethylene groups based on the weight of this polymer (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 70:30 and process for making such materials.

Process for preparing a polyisocyanurate polyurethane material

A process for preparing a polyisocyanurate polyurethane material, comprising reacting a polyisocyanate and an isocyanate-reactive composition. The reaction is conducted at an isocyanate index of 150 to 1500 and in the presence of a trimerisation catalyst. The polyisocyanate consists of a) 80-100% by weight of diphenylmethane diisocyanate comprising at least 40% by weight of 4,4'-diphenylmethane diisocyanate and/or a variant of said diphenylmethane diisocyanate which variant is liquid at 25°C and has an NCO value of at least 20% by weight (polyisocyanate a); and b) 20-0% by weight of another polyisocyanate (polyisocyanate b). The isocyanate-reactive composition consists of a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 150-1000, an average molecular weight of 600-5000, an oxyethylene (EO) content of 75-100% by weight and b) 20-0% by weight of one or more other isocyanate-reactive compounds excluding water.

Poliizosiyanat bileimleri.

Periyodik elementler tablosunun grup IVB metal bilesigini içeren, tercihan bir titanyum selat olan ve seçmeli olarak uyumlulastirici bilesik ve/veya sanayide bilinen ayirici ajanlarla birlikte kullanilabilen poliizosiyanat bilesimi, ve bunun odun selülozu malzemelerini yapistirmada kullanimi. The polyisocyanate compound containing the group IVB metal compound of the periodic table of elements, preferably a titanium chelate, and which can be used with the disintegrating compound and / or industrially known agents, and its use in bonding wood cellulose materials.

material and process for preparing a material

material, e, processo para preparar um material a invenção atual refere-se a um material constituído por: um material de matriz composto por uma quantidade de grupos de uretana e/ou uréia e/ou isocianurato, e tendo um teor de bloco rígido com mais de 75% (daqui por diante chamado de matriz a); e um material polimérico 1) que não tem nenhum grupo que seja capaz de formar um grupo uretana, uréia ou isocianurato com um grupo isocianato, 2) apresenta uma mudança de fase medida por calorimetria por varredura diferencial (dsc) na faixa de temperatura de -l0ºc a +60ºc, com um ~hm de entalpia pelo menos de 87 kj/kg, 3) está misturado na referida matriz a, e 4) tem um peso molecular médio de mais de 700 e é composto pelo menos por 50% em peso de um grupo oxi-alquileno, com base no peso deste material, onde pelo menos 85% dos grupos oxialquileno são grupos oxietileno ( daqui por diante chamados de material polimérico b); e onde a quantidade relativa da referida matriz a e do referido material polimérico b, com base em peso, varia de 15: 85 a 7 5 :25. processo para a preparação de tal material.

In-situ formation of polyurethane catalysts.

Se describe un catalizador de poliuretano formado in situ para catalizar la formación de poliuretano en una composición reactiva que comprende compuestos de poliisocianato y compuestos reactivos con isocianato, el catalizador se forma al combinar en la composición reactiva: - al menos un compuesto de haluro de litio, y - al menos un compuesto epóxido en donde la cantidad de epóxido que se utilizará es tal que el número de equivalentes de epóxido por equivalentes de isocianato es mayor de 0 hasta 0.095 y el número de moles de haluro de litio por equivalente de isocianato varía de 0.0001 hasta 0.06.

Herstellungsverfahren für einen polyisocyanuratverbund

Verfahren zur herstellung von polyisocyanat- polyurethan-material

Verfahren zur herstellung eines polyisocyanurat- polyurethanmaterials

Verfahren zur herstellung eines polyisocyanuratpolyurethanmaterials

In-situ formation of polyurethane catalysts

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.

Verfahren zur herstellung eines polyurethanweichschaumes