Air Products and Chemicals, Inc.

Evonik Degussa Gmbh

Evonik Operations Gmbh

Juan Jesus Burdeniuc

Renee Jo Keller

Torsten Panitzsch

Stephan Herman Wendel

James Douglas Tobias

You-Moon Jeon

Gamini Ananda Vedage

John E Dewhurst

Jennifer Elizabeth Antoline Al-Rashid

Gary Dale Andrew

Jane Garrett Kniss

Mark L Listemann

Timothy J Miller

Andrew Wilson Wang

Goran Zarkov

Diana Sue Dunn

Boxun Leng

Gauri Sankar Lal

Thomas A Johnson

Jean Louise Vincent

Khalil Yacoub

Mladen Vidakovic

Kai Xi

John Edward Sawicki

Eugene G Lutz

John William Mitchell

Allen Robert Arnold

Malee Leeaphon

Robert Hoffman

Jared Denis Bender

Courtney Thompson Thurau

Eva Emmrich-Smolczyk

William R Raymond

Christian Brandl

Matti Sakari Huhtasaari

Thomas Albert Johnson

Tadao Yasue

Michael James Williams

Sheng Su

Steven Paul Hulme

Udo Banseberg

Renée Jo Keller

Bradley Heath Cook

Reza Fard-Aghai

Ann Zdancewic Kamzelski

Douglas P Freyberger

Xiubing Hu

Irene Joann Hsu

Gamina Ananda Vedage

Stephan Hermann Wendel

Jennifer E A Al-Rashid

John Elton Dewhurst

Timothy Joseph Miller

Stephan Wendel

David Vandersande

Mayank Pratap Singh

Jennifer Elizabeth Al-Rashid

Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120&#xb0; C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25&#xb0; C. to 90&#xb0; C.); and c) stable contact interface between the polyurethane polymer and other polymers (for example polycarbonate) with minimal migration of tertiary amine catalyst from polyurethane polymer to other polymers yielding no noticeable polymer deterioration at the point of contact even under conditions of heat and humidity.

Reactive amine catalysts for polyurethane applications

Tertiary amine catalysts having isocyanate reactive groups capable of forming thermally stable covalent bonds able to withstand temperatures from 120&#xb0; C. and higher and up to 250&#xb0; C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60); b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25&#xb0; C. to 90&#xb0; C.); and c) stable contact interface between the polyurethane polymer and other polymers (for example polycarbonate) with minimal migration of tertiary amine catalyst from polyurethane polymer to other polymers yielding no noticeable polymer deterioration at the point of contact even under conditions of heat and humidity.

Low emissions polyurethane foam made with isocyanate reactive amine catalysts

Siloxane-oxyalkylene copolymer surfactants in combination with alkyl esters of fatty acids are disclosed. Alkyl esters of fatty acids are represented by the general formula Z&#x2014;COO&#x2014;Y where Z is a saturated or unsaturated Calkyl or alkylene group and Y is typically a Calkyl, alkylene linear or branched group. The siloxane-oxyalkylene copolymer surfactants that are typically used with the fatty esters have the general formula MDD'M wherein M represents (CH)SiOor R(CH)SiO, D represents (CH)SiO, D&#x2032; represents (CH)RSiO, and the value of x+y is from 50 to 220, and the ratio x/y is from 5 to 15 inclusive. In the above formulae for M and D&#x2032;, R is a polyether-containing substituent. The siloxane-oxyalkylene copolymer surfactants used in conjunction with the fatty ester contains a major fraction (60-80 wt. %) of siloxane-oxyalkylene with one pendant R typically defined as CHO(CHO)(CHO)R&#x2032; moieties having weight average molecular weights of from about 1400-2000 and wherein n is 1-4 and typically 3, the values of 'a' are in the range 12-22 and typically 16-20 and the values of 'b' are in the range of 12-22 and typically 16-20, R&#x2032; typically represent acyl group &#x2014;C(O)CH. The surfactant of the invention also contains a minor fraction of a siloxane-oxyalkylene copolymer (6-10 wt. %) having two pendant R typically defined as CHO(CHO)(CHO)R&#x2032; moieties having average molecular weights of about 1000-3500 and wherein n is 1-4 and typically 3, the values of &#x201c;a&#x201d; are in the range 8-40 and typically 10-35 and the values of &#x201c;b&#x201d; are in the range of 8-40 and typically 10-35, R&#x2032; typically represent acyl group C(O)CH.

Siloxane-oxyalkylene copolymer surfactant compositions

A catalyst composition for making polyurethane foam, the catalyst composition including a compound having a general formula RRRN, wherein each of R, Rand Rare independently selected from the group consisting of: wherein n=1 to 5; and R4, R5 and R6 are each independently hydrogen, methyl, ethyl and propyl groups; hydrogen, a C1-C6 alkyl group compound, a C1-C6 cycloalkyl group compound, a C1-C6 alkenyl group compound, a C1-C6 alkynyl group compound, a C1-C6 aryl group compound, and a C1-C6 aralkyl group compound, each group being substituted or unsubstituted; wherein at least one of R, Rand Ris a compound according to formula (I). A polyurethane composition and method for forming a polyurethane foam are also disclosed.

Amine composition useful for making polyurethane foam

Additives for making polyurethanes are disclosed. The additives are based on combining specific carboxylic acids or carboxylic di-acids together with a gelling catalysts obtained when mixing an isocyanate-reactive tertiary amine catalysts with dimethyl tin di carboxylate salts and/or dimethyltin mercaptide salts.

Delayed action gelling catalyst compositions and methods for making polyurethane polymers

Disclosed are a process of producing a polyurethane foam product, a polyurethane foam product pre-mix, polyurethane foam product formulation, and a polyurethane foam product. The process of producing the polyurethane foam product includes contacting a halohydrin component with a polyurethane foam product pre-mix. The polyurethane foam product pre-mix includes the halohydrin component. The polyurethane foam product formulation includes a polyol component, an isocyanate component, and a halohydrin component. The polyurethane foam product is formed by the pre-mix having the halohydrin component.

Polyurethane foam production process, pre-mix, formulation, and product

The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt used in combination with a tertiary amine catalysts having isocyanate reactive groups and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.

Trimerization catalysts from sterically hindered salts and tertiary amines having isocyanate reactive groups

A polyurethane composition comprising a mixture comprising at least two aldehyde scavengers, a polyurethane product, and a process for making polyurethane foam are disclosed. The mixture of scavenger compounds can reduce, if not eliminate, the emissions of aldehydes from polyurethane foams. The scavenger compounds comprise at least one member selected from the group consisting of: phenol or substituted phenol, a 1,3-dicarbonyl compound, a polyamine bearing a 1,3-propanediamino function, melamine, a 1,2-diaminocycloalkane, an ammonium salt, and aminosiloxane.

Aldehyde scavengers mixtures for polyurethane foams

A polyurethane composition comprising an aldehyde scavenger, a polyurethane product, and a process for making polyurethane foam are disclosed. The scavenger compounds can reduce, if not eliminate, the emissions of aldehydes from polyurethane foams. The scavenger compounds comprise at least one member selected from the group consisting of: phenol or substituted phenol, a 1,3-dicarbonyl compound, a polyamine bearing a 1,3-propanediamino function, melamine, a 1,2-diaminocycloalkane, an ammonium salt; a compound containing the bisulfite anion, titanium dioxide and aminosiloxane.

Aldehyde scavengers for polyurethane foams

This invention discloses the use of sulfite salts as catalysts to make polyurethane polymers. In particular, this invention discloses the use of metal salts such as alkali metal salts as well as alkyl ammonium salts such as tetralkyl ammonium salts as catalysts to make polyurethane polymers. The sulfite salts are useful to make a wide variety of polyurethane polymers and polyurethane foam polymer products such as flexible polyurethane foam polymers, rigid foam polyurethane polymers, semi-rigid polyurethane polymer, microcellular polyurethane polymer, and spray foam polyurethane polymer as well as any polymeric material that requires the assistance of catalysts to promote the formation of urethane and urea bonds such as those found in polyurethane emusions for paints, coatings, protective coatings, lacquer, etc as well as other polyurethane or polyurethane containing materials such as thermoplastic polymers, thermoplastic polyurethane polymers, elastomers, adhesives, sealants, etc. Examples of catalysts comprising the invention include sodium sulfite, potassium sulfite, lithium sulfite, tetramethylammonium sulfite and the like.

Polyurethane catalysts from sulfur based salts

Polyurethane catalysts from a sulfur based salts

Disclosed are processes, products, and compositions having tetraalkylguanidine salt of aromatic acid. The processes include providing a pre-mix comprising an aromatic carboxylic acid component and contacting a tetraalkylguanidine with the aromatic carboxylic acid component in the pre-mix to form the tetraalkylguanidine salt of aromatic carboxylic acid or producing a catalyst composition by contacting the tetraalkylguanidine with the aromatic carboxylic acid component to form the tetraalkylguanidine salt of aromatic carboxylic acid. The compositions include the tetraalkylguanidine salt of aromatic carboxylic acid. The product is formed by the tetraalkylguanidine salt of aromatic carboxylic acid.

Processes, products, and compositions having tetraalkylguanidine salt of aromatic carboxylic acid

An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(C1-C4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition.

Polyester polyol-containing polyurethane systems having improved hydrolytic stability

A composition and method for producing a tertiary amine is disclosed. The tertiary amine is contacted with an inert gas. The inert gas is nitrogen or more preferably argon. The amine composition is useful in producing polyurethane foam with lower levels of chemical emissions particularly lower emissions of toxic chemicals.

Tertiary amine composition and method for making the composition

Growing community of inventors

Colmar, PA, United States of America

Juan Jesus Burdeniuc