Dow Global Technolgoies LLC

Gregory Earl Johnson

Shrikant Dhodapkar

Santosh S Bawiskar

Harold W Boone

Guang Ming Li

Mark Thomas Berard

Rennisha R Wickham

Maarten Aarts

A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a portion of the reaction product to at least one devolatilization to form a polymer-rich melt, wherein step b) occurs downstream from and in-line with step a); and c) reacting at least a portion of the polymer-rich melt with at least one functionalization agent and, optionally, at least one free-radical initiator to form the first composition, wherein step c) occurs downstream from and in-line with step b), wherein 'the viscosity of the functionalized olefin-based polymer (177&#xb0; C./350&#xb0; F.)' to 'the viscosity of the olefin-based polymer (177&#xb0; C./350&#xb0; F.)' is from 0.1 to 5.0.

Non-extrusion process for functionalization of low viscosity polyolefins

The invention provides a chlorinated ethylene-based polymer, process for preparing the same, and compositions and articles prepared from the same. The chlorinated ethylene-based polymer has a low residual crystallinity, for example, less than 8 percent, a relatively high crystallization temperature, Tc, for example greater than, or equal to, 25&#xb0; C., and a medium weight average molecular weight, Mw, for example, less than, or equal to, 325,000 g/mole.

Chlorinated ethylene-based polymers and compositions and articles prepared therefrom

Physical blends of solid particulates of chlorinated polyolefins and elastomeric ethylene copolymers yield a blended product with anti-blocking characteristics superior to that defined by the weight proportion-based linear interpolation of either blend component. The blend compositions are useful as impact modifiers for polyvinyl chloride compositions.

Impact modifier compositions with improved flowability

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Baton Rouge, LA, United States of America

Gregory Earl Johnson