Karl W Haider

US Patent:

6562932, May 13, 2003

Filed:

Oct 12, 2001

Appl. No.:

09/976397

Inventors:

Peter H. Markusch - McMurray PA
Robert L. Cline - Paden City WV
Richard S. Pantone - New Martinsville WV
Ralf Guether - Pittsburgh PA
Thomas L. Sekelik - Carnegie PA
Karl W. Haider - McKees Rocks PA

Assignee:

Bayer Corporation - Pittsburgh PA

International Classification:

C08G 1810

US Classification:

528 58, 528 64, 528 85

Abstract:

This invention relates to a process for the production of an optically clear, light-stable polyurethane-urea elastomer having an onset softening point of at least 130Â C. , processed at ambient temperature and casted in a mold at an isocyanate index of 95 to 120. This process comprises reacting: A) a liquid polyisocyanate or polyisocyanate prepolymer having an NCO group content of about 5 to about 50%, an average functionality of 2 to 3, a viscosity of less than 5,000 mPa. s at 25Â C. ; and B) an isocyanate-reactive component; in the presence of C) at least one organometallic catalyst. The present invention also relates to the optically clear, light-stable polyurethane-urea elastomers produced by this process.

US Patent:

6762214, Jul 13, 2004

Filed:

Mar 18, 2003

Appl. No.:

10/391312

Inventors:

Jerry E. Tracy - Middlebourne WV
Scott A. Kane - New Martinsville WV
Robert P. Yeater - Moundsville WV
Karl W. Haider - Hurricane WV

Assignee:

Bayer Polymers LLC - Pittsburgh PA

International Classification:

C08G 1828

US Classification:

521174, 521123, 521131, 521167

Abstract:

The present invention relates to a process for the preparation of rigid foams comprising reacting a polyisocyanate component with an isocyanate-reactive component in the present of a blowing agent. Suitable isocyanate-reactive components for the presently claimed invention comprises polyether polyols having an OH number of from 200 to 800 and containing from 3 to 8 hydroxyl groups wherein the level of alkalinity present in the polyether polyol is equivalent to a hydroxide ion level of from about 0. 006% to about 0. 21% by weight.

US Patent:

6780957, Aug 24, 2004

Filed:

Dec 29, 1999

Appl. No.:

09/474114

Inventors:

Karl W. Haider - McKees Rocks PA
Jack C. Chan - Coraopolis PA
E. Haakan Jonsson - Fairfield OH
Uli W. Franz - Coraopolis PA
Ronald P. Taylor - Moon Township PA

Assignee:

Bayer Polymers LLC - Pittsburgh PA

International Classification:

C08G 1862

US Classification:

528 61, 528 64, 528 65, 528 66, 528 67, 528 75, 528 85

Abstract:

A hydrophobic polyurethane elastomer is disclosed comprising an isocyanate terminated prepolymer having an isocyanate content ranging from 4 to 12 wt. % NCO comprising the reaction product of: i) an OH terminated homopolymer of butadiene having molecular weight ranging from 1000 to 4000 and an OH functionality of from 1. 9 to 2. 1; ii) an aliphatic or cycloaliphatic diisocyanate; and a diol chain extender having a molecular weight ranging from 62 to 400.

US Patent:

6833390, Dec 21, 2004

Filed:

Jul 22, 2002

Appl. No.:

10/200532

Inventors:

Karl W. Haider - Hurricane WV
Neil H. Nodelman - St. Clair PA
John P. Forsythe - Allison Park PA
Brian R. Suddaby - Pittsburgh PA

Assignee:

Bayer Polymers LLC - Pittsburgh PA

International Classification:

C08G 1828

US Classification:

521130, 521137, 521159, 521170, 521172, 521173, 521174

Abstract:

The present invention is directed to a process for preparing water-blown rigid polyurethane foams having at least an 80% closed-cell content which involves reacting a) at least one polyol mixture which is composed of (i) at least one polymer polyol; (ii) at least one polyol having a hydroxyl value within the range of from about 200 to about 800; and (iii) optionally, at least one polyol having a hydroxyl value within the range of from about 25 to about 115; with b) at least one polymeric isocyanate and/or a prepolymer thereof; in the presence of c) optionally, at least one catalyst; d) water; and e) optionally, at least one additive or auxiliary agent. The present invention is also directed to the closed-cell water blown rigid polyurethane foams produced by the process of the present invention. The invention is further directed to a polyurethane-foam forming mixture which is used to produce the water-blown rigid polyurethane foams of the present invention. Foams produced according to the present invention have reduced friability and acceptable adhesion to substrates as well as acceptable compressive strength.

US Patent:

6869543, Mar 22, 2005

Filed:

Feb 21, 2003

Appl. No.:

10/372361

Inventors:

Nathan L. Anderson - Charleston WV, US
Karl W. Haider - Hurricane WV, US
Keith J. Headley - Paden City WV, US
Kerry A. Ingold - Pittsburgh PA, US
Herman P. Doerge - Moon Township PA, US

Assignee:

Bayer Polymers LLC - Pittsburgh PA

International Classification:

C09K003/00

US Classification:

25218226, 25218224, 25218227, 25218228, 528 76, 564437, 568606, 568607, 568608, 568630

Abstract:

Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis and by adding the catalyst after between 5 and 30% of the total amount of at least one alkylene oxide has been added, after lactic acid neutralization, gives a short chain polyol that has foam processing characteristics similar to the conventional sulfuric acid neutralized polyol. The polyols produced in this manner are particularly useful for the production of polyurethane and polyisocyanurate foams.

US Patent:

7041708, May 9, 2006

Filed:

Oct 29, 2004

Appl. No.:

10/976684

Inventors:

Bi Le-Khac - West Chester PA, US
Karl W. Haider - Hurricane WV, US
Ramesh Subramanian - Coraopolis PA, US
Charles A. Gambino - McDonald PA, US
James Edward Kassner - Wexford PA, US

Assignee:

Bayer MaterialScience LLC - Pittsburgh PA

International Classification:

C08G 18/34
C08G 18/28
C08G 18/32
C08G 18/30
C08G 18/06

US Classification:

522 97, 522 90, 522 92, 522 93, 522104, 522150, 522152, 522153, 522154, 522173, 522174, 522179, 522181, 525 43, 525 46, 525 44, 4284231, 4284239, 4284242, 428355 N

Abstract:

Ultraviolet (UV)-curable polyurethane compositions are provided which are made by reacting an isocyanate with an ultraviolet (UV)-curable polyol that is made by co-polymerizing an alkylene oxide, an unsaturated carboxylic acid or anhydride and a hydroxy functional compound and which has an ultra-low level of unsaturation. The inventive ultraviolet (UV)-curable polyurethane compositions may find use in or as coatings, adhesives, sealants, elastomers and the like.

US Patent:

7300961, Nov 27, 2007

Filed:

Jun 24, 2002

Appl. No.:

10/178143

Inventors:

Karl W. Haider - Hurricane WV, US
David D. Steppan - Gibsonia PA, US
Michael E. McGregor - Pittsburgh PA, US
Kerry A. Ingold - Pittsburgh PA, US
Vincent M. Mautino - Finleyville PA, US
Michael A. Dobransky - Pittsburgh PA, US

Assignee:

Bayer MaterialScience LLC - Pittsburgh PA

International Classification:

C08G 18/30

US Classification:

521174, 521130, 521131, 521167, 521170, 521172, 521173, 521176

Abstract:

The present invention relates to polyol compositions which can be used to produce dimensionally stable, low density water-blown rigid foams which have acceptable compressive strengths and acceptable k-factors. In one embodiment of the present invention, the polyol compositions are composed of at least one aromatic amine-initiated polyether polyol and at least one polyether polyol having a functionality greater than or equal to 2. 5 in which at least 50% by weight of the polyol composition is aromatic amine-initiated polyether polyol and in which no more than 50% by weight of the polyol composition is polyether polyol having a functionality greater than or equal to 2. 5. In another embodiment of the present invention, the polyol compositions are composed of at least one aromatic amine-initiated polyether polyol and at least one polyester polyol in which at least 30% by weight of the polyol composition is aromatic amine-initiated polyether polyol and in which no more than 70% by weight of the polyol composition is polyester polyol.

US Patent:

7538162, May 26, 2009

Filed:

Jun 23, 2006

Appl. No.:

11/473686

Inventors:

Karl W. Haider - Wexford PA, US
Stanley L. Hager - Cross Lanes WV, US

Assignee:

Bayer MaterialScience LLC - Pittsburgh PA

International Classification:

C08L 71/10

US Classification:

525409, 525405

Abstract:

This invention relates to a one-stage process for the production of polyoxyalkylene containing polyols having equivalent weights of about 150 to about 6000 and functionalities of about 2 to 8. The process comprises (1) mixing (a) an organic compound having a hydroxyl functionality of about 2 to about 8 and an equivalent weight of about 35 to about 575, with (b) a hydroxyl functional compound having an equivalent weight of about 100 to about 6000 and a functionality of about 2 to 8; and (2) alkoxylating the mixture with (c) one or more alkylene oxides, in the presence of (d) one or more double metal cyanide catalysts. Suitable compounds to be used as (a) the organic compound having a hydroxyl functionality of about 2 to about 8 and an equivalent weight of about 35 to about 575 in the present invention include bisphenol-A, Bisphenol TMC, tetrabromobisphenol A, and novolak phenolic resins.