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Process for Producing Polystyrene Foam

5,218,006 / 6/1/1992 / Author: Michael Reedy

The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO2 and/or nitrogen, in gas or liquid form, as a blowing agent and subsequently extruding, cooling and drying the resulting polystyrene foam.

Process for Producing Alkenyl Aromatic Foams Using a Combination of Atmospheric and Organic Gases and Foams

5,269,987 / 12/14/1993 / Author: Michael Reedy

There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater...

Process for Producing Polystyrene Foam

W5,302,624 / 4/12/1994 / Author: Michael Reedy

The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO2 and/or nitrogen, in gas or liquid form, as a blowing agent and subsequently extruding, cooling and drying the resulting polystyrene foam.

Process for Producing Polystyrene Foam

5,342,857 / 8/30/1994 / Author: Michael Reedy

The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO2 and/or nitrogen, in gas or liquid form, as a blowing agent and subsequently extruding, cooling and drying the resulting polystyrene foam.

Process for Producing Polystyrene Foam

5,403,865 / 4/4/1995 / Author: Michael Reedy

The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO2 and/or nitrogen, in gas or liquid form, as a blowing agent and subsequently extruding, cooling and drying the resulting polystyrene foam.

Process for Producing Alkenyl Aromatic Foams Using a Combination of Atmospheric and Organic Gases

5,595,694 / 1/21/1997 / Author: Michael Reedy

A process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas, and preferably also using a predetermined about of a masterbatch mix comprising...

Process for Producing Alkenyl Aromatic Foams Using a Combination of Atmospheric and Organic Gases and Foams Produced Thereby

5,652,277 / 7/29/1997 / Author: Michael Reedy

There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas...

Process for Producing Fiber Reinforced Foam Having a Random Orientations of Fibers

5,707,571 / 1/13/1998 / Author: Michael Reedy

A fiber reinforced, thermoplastic foam is produced by dispersing fibers of controlled dimensions and blowing agent in molten thermoplastic and extruding the mixture with high back pressures. As the blowing agent expands, the fibers become randomly oriented and a fine cellular...

Process for Producing Alkenyl Aromatic Foams Using a Combination of Atmospheric and Organic Gases and Foams Produced Thereby

5,817,261 / 10/6/1998 / Author: Michael Reedy

There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas...

Process for Producing Alkenyl Aromatic Foams Having Increased Thermal Insulation using Cycloalkane Blowing Agent and Foams Produced Thereby

6,258,863 / 7/10/2001 / Author: Michael Reedy

Process for producing alkenyl aromtic foams utilizing a cycloaliphatic gas as blowing agent, are described. Also disclosed are alkenyl aromatic foams produced by the process which exhibit increased...

Process for Producing Alkenyl Aromatic Foams Having Increased Thermal Insulation using Cycloalkane Blowing Agent and Foams Produced Thereby

6,602,923 / 8/5/2003 / Author: Micheal Reedy

Processes for producing alkenyl aromatic foams utilizing a cycloaliphatic gas as blowing agent, are described. Also disclosed are alkenyl aromatic foams produced by the process which exhibit...

Process for Producing Alkenyl Aromatic Foams Using a Combination of Atmospheric and Organic Gases and Foams Produced Thereby

RE38,993 / 2/28/2006 / Author: Micheal Reedy

There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas...