Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization
Abstract
A method of making polymeric particulates wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject the polymeric material to solid state shear pulverization and in-situ polymer compatibilization, if two or more incompatible polymers are present. Uniform pulverized particulates are produced without addition of a compatibilizing agent. The pulverized particulates are directly melt processable (as powder feedstock) and surprisingly yield a substantially homogeneous light color product.
- Inventors:
-
- Skokie, IL
- Issue Date:
- Research Org.:
- Northwestern University (Evanston, IL)
- OSTI Identifier:
- 873527
- Patent Number(s):
- 6180685
- Application Number:
- 09/013180
- Assignee:
- Northwestern University (Evanston, IL)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29B - PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
- DOE Contract Number:
- FG51-92R020215
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- reconstituted; polymeric; materials; derived; post-consumer; waste; industrial; scrap; virgin; resins; solid; shear; pulverization; method; particulates; material; mixtures; supplied; intermeshing; extruder; screws; rotated; transport; length; subject; in-situ; polymer; compatibilization; incompatible; polymers; uniform; pulverized; produced; addition; compatibilizing; agent; directly; melt; processable; powder; feedstock; surprisingly; yield; substantially; homogeneous; light; color; product; substantially homogeneous; materials derived; polymeric materials; polymeric material; shear pulverization; scrap material; reconstituted polymeric; virgin polymeric; virgin resins; industrial scrap; polymeric scrap; polymeric particulates; post-consumer waste; light color; /521/241/366/525/
Citation Formats
Khait, Klementina. Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization. United States: N. p., 2001.
Web.
Khait, Klementina. Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization. United States.
Khait, Klementina. Tue .
"Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization". United States. https://www.osti.gov/servlets/purl/873527.
@article{osti_873527,
title = {Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization},
author = {Khait, Klementina},
abstractNote = {A method of making polymeric particulates wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject the polymeric material to solid state shear pulverization and in-situ polymer compatibilization, if two or more incompatible polymers are present. Uniform pulverized particulates are produced without addition of a compatibilizing agent. The pulverized particulates are directly melt processable (as powder feedstock) and surprisingly yield a substantially homogeneous light color product.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 30 00:00:00 EST 2001},
month = {Tue Jan 30 00:00:00 EST 2001}
}
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