Basf Se Corporation

Basf Aktiengesellschaft

Basf Corporation

Stephan Goettke

Berend Eling

Stephan Bauer

Heinz-Dieter Lutter

Darijo Mijolovic

Jens Mueller

Theodore Michael Smiecinski

Joachim Pfeffinger

Raymond A Neff

Michael Stoesser

Daniel Freidank

Jon P Pavlinac

Mark Jason Hughes

Juergen Mertes

Daniela Malkowsky

Steven Edward Wujcik

Markus Kummeter

A unique combination of a hydrophilic polyol (A) and a hydrophobic polyol (B) having a terminal ethylene oxide cap are used in a resin composition and a polyurethane system, and are used to form a polyurethane article, such as a polyurethane foam. The hydrophilic polyol (A) is ethylene oxide (EO) rich and the hydrophobic polyol (B) is propylene oxide (PO) rich. The hydrophilic polyol (A) and the hydrophobic polyol (B) are present in the resin composition and the polyurethane system in a weight ratio (A:B) of from 1.5:1 to 20:1. The polyurethane article exhibits excellent comfort for use in vehicle applications, such as automotive and motorcycle seating, due to reduced resonance frequency and reduced peak vibration transmissivity relative to previous polyurethane articles.

Polyurethane article with increased comfort

The invention relates to a process for producing viscoelastic flexible polyurethane foams by reacting

Process for producing viscoelastic flexible polyurethane foams

The present invention provides a composition which comprises at least one epoxy resin and a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in very specific ratios relative to one another, a process for preparing the composition, the use of the composition for producing hardened epoxides, adhesives, composite materials and moldings, a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in the specific ratios, and the use of this mixture for producing the composition.

Use of a stereoisomer mixture of diaminomethylcyclohexane as a hardener for epoxy resins

A process for producing viscoelastic flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, c) blowing agents, wherein b) comprise b1) from 70 to 10 parts by weight of at least one polyether alcohol having polyoxypropylene units, a nominal functionality of from 3 to 6 and a hydroxyl number of 100 to 300 mg KOH/g, b2) from 10 to 70 parts by weight of at least one polyetherol having polyoxypropylene units, a nominal functionality of 2 and a hydroxyl number of 50 to 350 mg KOH/g, b3) from 10 to 30 parts by weight of at least one polyether alcohol having ethylene oxide units, a nominal functionality of from 2 to 3 and a hydroxyl number of 50 to 550 mg KOH/g, b4) from 0 to 20 parts by weight of at least one graft polyetherol having a nominal functionality of from 2 to 3 and a hydroxyl number of 20 to 40 mg KOH/g.

Process for producing viscoelastic polyurethane foams

The invention relates to a process for preparing polyether carbonate polyols by addition of alkylene oxides and carbon dioxide onto H-functional starter substances using DMC catalysts, wherein one or more starter substances are initially placed in the reactor and one or more starter substances are metered continuously into the reactor during the reaction.

Process for preparing polyether carbonate polyols

The invention relates to a process for producing flexible polyurethane foams by reacting

Process for producing flexible polyurethane foams

Growing community of inventors

Heidelberg, Germany

Stephan Goettke