Plastic particle coated with processing aid and method of coating

Plastic particles showing improved behavior upon extrusion, comprising coating the particles with a fused layer of certain waxes or polymeric materials; and a method of preparation, comprising heating the plastic particles to a temperature just below the softening or fusing temperature of the additi...

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Bibliographic Details
Main Author LOUKS; PAUL T
Format Patent
LanguageEnglish
Published 09.04.1991
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
MAKING GRANULES OR PREFORMS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED
RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
WORKING-UP
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Summary:Plastic particles showing improved behavior upon extrusion, comprising coating the particles with a fused layer of certain waxes or polymeric materials; and a method of preparation, comprising heating the plastic particles to a temperature just below the softening or fusing temperature of the additive while blending the particle in a high intensity blender, introducing the additive and maintaining intense blending until the temperature is above the fusing temperature of the additive, and discharging the coated particles from the blender.
Bibliography:Application Number: US19900511479