James M Bentley

Title: James M. Bentley: Polyurethane and Polyurea Innovations.

Introduction

James M. Bentley is an inventor associated with Wezembeek-Oppem, Belgium, and Imperial Chemical Industries Limited. His patent work includes processes and materials for producing polyurea and polyurethane polymers.

Latest Patents

Bentley’s listed patent portfolio includes 4 patents. Two of his latest patents concern polymer chemistry and polyurethane elastomers.

“Process for preparing polyurea and polyurea/polyurethane polymers from” describes producing polyurea or polyurea/polyurethane compounds by reacting an organic polyisocyanate with a diamine chain extender and an isocyanate-reactive polymer. The described polymer includes a polymeric polyamine with a molecular weight of 1,000 to 16,000 and two to four primary amino groups per molecule.

“Polyester polyols containing monoalkanolamine derived units” concerns preparing microcellular polyurethane elastomers. The method reacts an organic isocyanate, a polyester polyol, a difunctional chain extender, and a blowing agent. The specified polyester polyol includes units derived from dicarboxylic acids, glycols, and monoalkanolamine.

Career Highlights

Bentley’s listed inventions address the composition and preparation of polymer materials, including polyurea, polyurethane, and microcellular polyurethane elastomers. His work is associated with Imperial Chemical Industries Limited.

Collaborations

James P. Brown and Guy Frijns are identified as Bentley’s coworkers. The available information does not specify their roles in the listed patents.

Conclusion

James M. Bentley’s patent record highlights contributions to polymer chemistry, particularly processes and polyester polyol compositions used in polyurea and polyurethane materials.