Huntsman International LLC

Imperial Chemical Industries Limited

Gerhard Jozef Bleys

Hans Godelieve Guido Verbeke

Eric Huygens

Dirk Gerber

Edward F Cassidy

Alan James Hamilton

Viviane Gerrude Neyens

Pierre G Chaffanjon

Peter F Stroobants

Jan Willem Leenslag

Dominicus Limerkens

Anja Anneke Vanhalle

Herman Eugene Germain Moureau

Hans Godelieve Verbeke

Johan Indesteege

Jan-Willem Leenslag

Vivane G Neyens

Stefan E Helsemans

Danny Anna Edward Geukens

Henk Grymonprez

Viviane Gertrude Johanna Neyens

Danny Anna Eduard Geukens

Marc Vandervesse

Stijn Roekaerts

Julien Devos

Johan Robert Derluyn

Danny Anna Geukens

Hans Verbeke

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 &#x2212;10&#xb0; C. to +60&#xb0; C. with an enthalpy &#x394;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.

Materials comprising a matrix and process for preparing them

Isocyanurate-reactive mixture obtained by reacting an anhydride and a polyol; process for making it; polyisocyanate composition comprising this mixture; binder composition comprising such a polyisocyanate composition; the use of such a polyisocyanate composition and/or binder composition for making a polyisocyanurate and such polyisocyanurates.

Mixture obtained by reacting polyol and anhydride and its use in polyisocyanates for making polyisocyanurates

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&#xb0; 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).

Process for preparing a polyisocyanurate polyurethane material

Elastomeric material having a density of more than 100 kg/mand comprising

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

Foamed material having a density of less than 100 kg/mand comprising

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

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.

Composition from a polyisocyanate and a polyether monoamine

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.

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

Process for preparing a moulded elastomeric polyurethane material having an overall density of 200-1000 kg/m, preferably of 200-500 kg/m, and a compression load at 40% deflection of at least 25 kPa by reacting in a closed mould an isocyanate terminated prepolymer, having an NCO-value of 5-15% by weight and which is the reaction product of a polyisocyanate and a polyether polyol having an average nominal functionality of 2-6, an average equivalent weight of 500-5000 and an oxyethylene content of 50-90% by weight, and water. The elastomer obtained is claimed as well.

Process for preparing a moulded polyurethane material

A polyisocyanate-based elastomer having a ratio of the storage modulus (E') at 20&#xb0; C. and the storage modulus (E&#x2032;) at 120&#xb0; C. of between 0.75 and 1.5, a tan &#x3b4; at 100&#xb0; C. of less than 0.1 and a maximum value of the tan &#x3b4; of more than 0.8, the tan &#x3b4; being the ratio of the loss modulus (E&#x2033;) and the storage modulus (E&#x2032;).

Polyurethane elastomers

Process for preparing flexible polyurethane foam by reacting an MDI-based polyisocyanate and a polyether polyol with a high oxyethylene content in a mold.

Process for preparing a flexible polyurethane foam

Process for preparing an elastomeric polyurethane material by reacting a polyisocyanate, a polyol and a monool.

Elastomeric polyurethane material

Process for preparing a polyurethane elastomer having an apparent overall density of more than 150 kg/mcomprising reacting a polyisocyanate and an isocyanate-reactive composition, optionally in the presence of water, wherein the reaction is conducted at an isocyanate index of 85 to 120, the polyisocyanate comprising: a) 80-100% by weight of a diphenylmethane diisocyanate comprising at least 40% by weight of 4,4'-diphenylmethane diisocyanate and/or a derivative of said diphenylmethane diisocyanate which derivative is liquid at 25&#xb0; C. and has an NCO value of at least 20% by weight, and b) 20-0% by weight of another polyisocyanate, and wherein the isocyanate-reactive composition comprises a) 80-100% by weight of a polyether polyol having an average nominal functionality of 2-8, an average equivalent weight of 750-5000, an average molecular weight of 2000-12000, an oxyethylene content of 60-90% by weight and a primary hydroxyl content of 70-100% calculated on the total number of primary and secondary hydroxyl groups in the polyol, b) an isocyanate-reactive chain extender in an amount such that the hard block ratio is less than 0.50 and c) 20-0% by weight of one or more other isocyanate-reactive compounds excluding water, the amount of polyol a) and isocyanate-reactive compound c) being calculated on the total amount of this polyol a) and compound c).

Process for preparing an elastomer

Process for preparing a polyurethane material having no glass transition temperature below 25 C, which process involves using a polyoxyethylene polyoxypropylene polyol having a high oxyethylene content and a polyisocyanate having a high 4,4&prime;-diphenylmethane diisocyanate (4,4&prime;-MDI) content, wherein the reaction is conducted at an isocyanate index of 80 to 140.

Process for preparing a polyurethane material

Compositions comprising (A) a rigid thermoplastic polyurethane not having a major glass transition temperature (T,) of less than 60&deg; C. and (B) a rubber-like material having a T,of less than 20&deg; C., wherein the weight ratio (A):(B) is at most 85:15.

Elastomers from compositions comprising rigid thermoplastic polyurethane

Process for preparing a flexible foam by reacting a prepolymer having an NCO value of 3-15% by weight, which is the reaction product obtained by reacting an excessive amount of a polyisocyanate with a polyether polyol or a mixture of such polyols, said polyol or mixture having an average nominal hydroxyl functionality of from 2 to 6, an average hydroxyl equivalent weight of from 500 to 5000 and an oxyethylene content of at least 50% by weight, with water, the amount of water being 15-500 parts by weight per 100 parts by weight of prepolymer, at the start of the reaction the temperature of the prepolymer being 10-50&deg; C. and the temperature of the water being 10-50&deg; C. higher than the temperature of the prepolymer and a process for preparing a flexible foam by reacting the above prepolymer with water in the presence of a superabsorbent polymer.

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Heverlee, Belgium

Gerhard Jozef Bleys