The Dow Chemical Company

Dow Global Technolgoies LLC

Styron Europe Gmbh

Thomas D Traugott

Eugene R Moore

Michael T Malanga

Leo R Novak

Shari L Workentine

Malcolm F Finlayson

Mary Ann Jones

Ravi Ramanathan

Nigel Shields

Dominique Maes

John J Plomer

Hendrick W Wolsink

Nigel A Shields

Disclosed is a mass polymerized rubber-modified monovinylidene aromatic copolymer composition with an excellent balance of aesthetic, physical and mechanical properties, in particular good impact with low consistent gloss across an injection molded textured part, and a method for preparing such a composition.

Low gloss mass polymerized rubber-modified monovinylidene aromatic copolymer composition

Disclosed are blow molded automotive articles comprising a coupled propylene polymer composition.

Blow moldable propylene polymer compositions

A filled thermoplastic composition having improved combinations of processability, stiffness and toughness which demonstrates improved scuff resistance in extruded or molded articles is prepared by admixing a thermoplastic polymer, an uncalcined filler and a calcined filler.

Filled thermoplastic composition

Graft copolymerized maleimide-modified, impact resistant monovinylidene aromatic copolymer compositions have substantially improved impact strength and fatigue resistance properties when the swelling index thereof is 12 or greater and when the numerical difference in maleimide monomer content as between the grafted copolymer and matrix copolymer portions thereof differ by no more than 9 percentage points from each other. Such compositions are conveniently prepared by mass, solution or mass/suspension graft copolymerization processes and by deferring the addition of at least about 30 percent of the maleimide monomer ingredient to a point in the process after (and preferably only shortly after) phase inversion of the dissolved impact modifying rubbery polymer ingredient.

Maleimide-modified high heat ABS resins

Maleimide-modified high heat abs resins

Thermoplastic rubber modified molding compositions containing N-phenyl maleimide, acrylonitrile, and at least one copolymerizable comonomer suitable for preparing moldings having low surface gloss.

Molding resin

An impact resistant polymeric composition and a process for its production. The composition comprises a rigid polymeric matrix comprising an anionically polymerized copolymer of at least one isopropenyl aromatic monomer and at least one vinyl aromatic monomer, said matrix having dispersed therein an elastomeric phase comprising at least one moderately cross-linked ungrafted rubber and at least one moderately cross-linked lightly-grafted rubber, wherein the lightly-grafted rubber has a graft-to-rubber ratio of 0.9:1 or less. The elastomeric phase is melt agglomerated to provide aggregates having particle sizes in the range from 3,000 to 100,000.

Rubber-modified resin blends

Blends of polyarylene ether resins and anionically-polymerized monovinylidene aromatic compounds having a molecular weight distribution not greater than 1.8 are characterized by a lowered melt viscosity without significant loss in mechanical properties. The incorporation of elastomeric toughening agents does not significantly negatively affect processability or other properties of the blends.

Polyphenylene ether/polystyrene blends

An impact resistant thermoplastic polymer comprising highly occluded rubbery particles is prepared by contacting an emulsion of a rubbery polymer with at least one addition polymerizable, graftable monomer under conditions such that the rubber emulsion particles imbibe the monomer, but substantially no monomer polymerization occurs followed by free radically polymerizing the monomer and thereafter repeating steps (a) and (b) at least one more time.

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Sanford, MI, United States of America

Thomas D Traugott