Ddp Specialty Electronic Materials US 8, LLC

Rohm and Haas Company

Ddp Specialty Electronic Materials Us, LLC

Dow Global Technolgoies LLC

Ddp Specialty Products Japan.k.k.

John David Finch

Andrew M Savo

Alfred Karl Schultz

Lester Howard McIntosh, Iii

Matthew D Reichert

Robert Johnson

Ralph Craig Even

Steven Rosenberg

James A Jagodzinski

Decai Yu

Thomas Jones

Thomas Cleveland Kirk

Aaron Sarafinas

Collin Hunter Martin

Takashi Masudo

Biwang Jiang

Lester H McIntosh, Iii

Daika Kouzaki

Katsuya Takuwa

Lester H Mcintosh

Andrew Savo

A method for producing an ion exchange resin. The method comprises steps of: (a) providing a basic ion exchange resin in the acidic form which comprises amino polyol groups and has a volume % swell from 15 to 30% upon conversion from the basic form to the acidic form, and (b) washing the resin with water or aqueous acid.

Method for producing resin useful in semiconductor manufacturing

Provided is a process of making polymeric beads comprising

Making particles with radial variation

Provided is a resin composition comprising Also provided is a method of processing an aqueous composition using such a composition.

Resin beads and inorganic particles

Provided is a collection of polymer beads, wherein the volume distribution expressed as a function of bead diameter comprises

Controlled particle size distribution

Provided is a method of making a collection of polymer beads comprising

Provided is a method of making droplets distributed in an aqueous medium comprising bringing into contact

Droplets distributed in an aqueous medium

Provided is a composition comprising droplets distributed in an aqueous medium, wherein the droplets comprise one or more boronic acids, and wherein the aqueous medium comprises polyvinyl alcohol.

Provided is a method of suspension polymerization comprising

Method of suspension polymerization of droplets distributed in an aqueous medium

Provided is a method of forming a polymer, comprising (a) providing a reaction mixture comprising (i) one or more vinyl monomers, (ii) one or more pH-sensitive inhibition systems, (iii) one or more initiators, and (iv) water; (b) establishing conditions in said reaction mixture such that a free radical polymerization of said vinyl monomer occurs at a location, and (c) after steps (a) and (b) and prior to completion of said free radical polymerization, changing the pH of said reaction mixture to increase the rate of generation of said free radical polymerization at the location of said free radical polymerization.

Polymer with releasable gas

Polymerization process

Suspensions in aqueous media

Provided is a suspension comprising liquid droplets dispersed in an aqueous medium, wherein said droplets comprise (a) one or more water-insoluble compounds, and (b) a vinyl polyelectrolyte (PED) having a polarity, and wherein said aqueous medium comprises a polyelectrolyte (PEW) having a polarity that is opposite to the polarity of said polyelectrolyte (PED). Also provided are a method of making such a suspension and a method using such a suspension in a process of suspension polymerization.

The present invention provides a method for making uniform, spherical, acrylic polymeric beads by jetting, the beads produced, and ion exchange resins produced from functionalizing the uniform, spherical polymeric beads.

Product and method for making uniform spherical, acrylic polymeric beads

A method for preparing monodisperse crosslinked bead polymers by introducing droplets having a harmonic mean size from 50 to 1500 microns and comprising at least one monomer, at least one crosslinker and a free-radical polymerization initiator into an aqueous medium through orifices to produce an aqueous suspension of droplets having a volume fraction of droplets from 35 to 64%; wherein the droplets are not encapsulated; causing the aqueous suspension of droplets to flow in a downward direction in a pipe in which the temperature is maintained at least 20&#xb0; C. below the temperature at which the polymerization initiator has a half-life of 1 hour; and polymerizing the droplets in a reactor.

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North Wales, PA, United States of America

John David Finch