Uniroyal Inc.

Uniroyal Chemical Company, Inc.

Chemtura Corporation

Crompton Gmbh

John M Wefer

Joseph F Stieber

William D Sigworth

Qinggao Ma

David J Sikora

Paul Stott

William A Wortman

Abuzar Syed

Leigh Cameron Allen

Robert J Cornell

Jin-Yun Wang

Charles F Paddock

Paul Edwin Stott

Huiling Ding

Roy Russell

Sung Chul Hong

Jeffrey Otis

David Hajdasz

A process for lowering the stiffness of filled thermoplastic polymer formulations is disclosed wherein the process comprises including in said formulation a low modulus coupling agent wherein said coupling agent comprises a blend of at least two functionalized polyolefins. Also disclosed is a process for producing soft coupling agents comprising blending at least two functionalized polyolefins in pre-determined ratios, whereby chemical and physical properties of the coupling agents can be controlled.

Thermoplastic blend compositions as soft coupling agents

Disclosed herein are p-urea phenyl derivatives of the formula: wherein Rand Rare independently selected hydrocarbyl groups. These derivatives are useful as haze reducing agents in propylene polymers and copolymers.

&#x3b2;-crystalline polypropylenes

Disclosed herein are urea phenyl derivatives of the formula: wherein each R is an independently selected hydrocarbyl group and n is 2 or 3, and their use as nucleating agents for propylene polymers.

Urea phenyl derivatives and their use as polypropylene nucleating agents

Disclosed herein are aromatic amide derivatives of the formulae: wherein

&#x3b2;-Crystalline polypropylenes

A composite composition is disclosed that comprises the reaction product of a mixture of a styrenic polymer, as defined herein, a polar component having nucleophilic functional groups, and from 0.5 to 10 wt % of a compatibilizer having the formula:R(I)-(styrene)-[(styrene)(X)]&#x2014;I(R)wherein:

Styrenic polymer composites

A process is disclosed for preparing an N-hydrocarbyl-bis-benzothiazolesulfenamide comprising reacting an N-hydrocarbyl-2-benzothiazolesulfenamide with a cyclic organic acid anhydride in situ in a polymeric matrix at elevated temperature.

In situ preparation of bis-(benzothiazolesulfen)amide in a polymeric matrix

High impact strength blends based on polyethylene terephthalate resin, polyethylene resin, aromatic polycarbonate resin and styrene-acrylonitrile grafted copolymers of EPDM. This invention is of especial value in improving the engineering properties of PET/PE bottle recycle products.

Impact resistant polyethylene terephthalate/polycarbonate/polyethylene

High impact strength blends based on polyethylene terephthalate resin, aromatic polycarbonate resin and styrene-acrylonitrile grafted copolymers of EPDM.

Impact resistant polyethylene terephthalate/polycarbonate blends

Polycarbonate resin blended with 3-40% of AES graft copolymer containing 30-80% rubber has high impact strength without substantial loss in heat distortion temperature.

Polycarbonate compositions with improved low temperature impact strength

High impact strength blends based on thermoplastic polyester resin, aromatic polycarbonate resin and graft copolymers of EPDM or EPM.

Impact resistant blend

Blend of polybutylene terephthalate resin and a graft copolymer of styrene and acrylonitrile on olefin copolymer rubber (e.g., EPDM) has high impact strength, provided the blend contains at least 25% of the graft.

Impact resistant blend of polybutylene terephthalate resin and OSA graft

Calendered AES film containing 25-40% rubber; usually pigmented.

Calendered AES film

Laminate comprising AES of the dicyclopentadiene type coextruded onto a thermoplastic resin layer such as ABS.

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Newtown, CT, United States of America

John M Wefer