single screw solid state pulverization

single screw solid state pulverization

US5704555A - Single-screw extruder for solid state shear ...

A process and apparatus for single screw solid state shear extrusion pulverization of polymeric materials in which the polymeric materials are heated to a temperature suitable for forming a continuous thin film of said polymeric material, and then cooled, and normal and shear forces sufficient to form powder of the polymeric material are applied by a single cylindrical or conical mesh screw.

Novel Principle of Pulverization and Its Application for ...

The Solid State Shear Pulverization (SSSP) is a novel principle based on creating a large free surface during simultaneous application of high pressure and shear deformation (called Bridgmen's effect). With the application of pressure, shear and temperature at optimum proportion the total amount of a solid

solid waste pulverization method images

single screw solid state pulverization ellul. Solid Waste Pulverization wildcer. solid waste pulverization method images. solid waste pulverization method images. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including quarry, aggregate ...

SPE Library - SPE

A process called solid-state/ melt extrusion (SSME), comprising sequential solid-state pulverization and melt extrusion in a single twin screw extruder, was found to impart significant morphological and rheological changes in rHDPE, which in turn lead to improvements in tensile ductility and toughness to the level of those found in typical neat ...

Processing‐structure‐property relationships in solid‐state ...

Krishnan A. Iyer and John M. Torkelson, Green composites of polypropylene and eggshell: Effective biofiller size reduction and dispersion by single-step processing with solid-state shear pulverization, Composites Science and Technology, 102, (152), (2014).

Colorant dispersion in polymer materials using solid-state ...

Oct 09, 2018· Methods for improved colorant dispersion in polymer materials using solid-state shear pulverization, as compared to mixing techniques of the prior art, to address concerns relating to colorant agglomeration, plating-out and the like.

solid extrusion - definition - English - glosbe.com

A process and apparatus for single screw solid state shear extrusion pulverization of polymeric materials in which the polymeric materials are heated to a temperature suitable for forming a continuous thin film of said polymeric material, and then cooled, and normal and shear forces sufficient to form powder of the polymeric material are ...

(119z) Solid-State Fabrication and Characterization of ...

Solid-state processed nanocomposites were compared with equivalent samples made via conventional melt-mixing processes, batch-scale melt-mixing and continuous single-screw extrusion. Thermal, electrical, mechanical, and morphological characterization was conducted to determine superior processing methods for the polymer-graphite nanocomposites.

german pulverization technology - schilderijenrestauratie.be

Single Screw Solid State Pulverization Some Aspects of a Plastics Pulverization Technology by Extrusion … Some Aspects of a Plastics Pulverization ... a mixer head with roller blades and a single screw extruder ... Pulverization at solid state probably is a ... Chat With Sales Pulverization of ...

Processing-structure-property relationships in solid-state ...

Solid-state shear pulverization (SSSP) is a unique processing technique for mechanochemical modification of polymers, compatibilization of polymer blends, and exfoliation and dispersion of fillers in polymer nanocomposites. A systematic parametric study of the SSSP technique is conducted to elucidate the detailed mechanism of the process and establish the basis for a range of current and ...

Solid-State Shear Pulverization | Taylor & Francis Group

Apr 30, 2001· Called Solid-State Shear Pulverization (S3P), this innovative process produces polymeric powders with unique physical properties not found in the output of conventional size-reduction methods…. This technology, which utilizes a pulverizer based on a modified co-rotating twin-screw extruder…, has profound implications for both the creation ...

Some Aspects of a Plastics Pulverization Technology by ...

Mar 01, 2000· Pulverization at a Solid State Without Pre-melting Pulverization at solid state probably is a result of the milling effect created between the flights of one screw and the opposing channels of the other screw as a result of their different periphery speeds.

Analysis of Rubber Particles Produced by the Solid State ...

Abstract Vulcanized natural rubber was pulverized using a single screw extruder in a non-cryogenic Solid State Shear Extrusion (SSSE) process where rubber …

Investigation of Solid-State Shear Pulverization ...

Solid-state shear pulverization (SSSP) is a continuous solid-state milling technique in which polymer/nanofiller blends are pulverized within a modified twin-screw extruder operating at sub-ambient temperatures The SSSP method can be tailored to specific applications by controlling the numerous processing parameters. Additionally, solid-state shear

Processing-structure-property relationships in solid-state ...

Furthermore [E.sub.p], has been measured for simple pulverization of rubher granules with a single screw solid-state shear extruder (46). Although the relevant [E.sub.p], equations vary slightly among these techniques with different processing parameters, the two common key quantities are the power of the motor and the throughput.

Dispersion and Property Enhancements in Polyolefin/Soy ...

Biocomposites of low‐density polyethylene (LDPE) and polypropylene (PP) with 5–40 wt% soy flour (SF) are produced by two‐step single‐screw extrusion (SSE) followed by solid‐state shear pulverization …

COMMERCIALIZATION OF SOLID-STATE SHEAR …

the commercialization of the solid-state shear pulverization technology. Equipment A key difference in the SSSP apparatus and conventional twin-screw melt extruders is that the SSSP extruder is maintained at a temperature below the glass and/or melt transition …

Dispersion and Property Enhancements in Polyolefin/Soy ...

/ Dispersion and Property Enhancements in Polyolefin/Soy Flour Biocomposites Prepared via Melt Extrusion Followed by Solid-State Shear Pulverization. In: Macromolecular Materials and Engineering. 2015 ; Vol. 300, No. 8. pp. 772-784.

Polymer-graphite nanocomposites via solid-state shear ...

A commercial SSSP apparatus (e.g., a modified twin-screw extruder to apply shear and compressive forces to solid-state materials) can be used in conjunction with a continuous, scalable SSSP process, to provide corresponding polymer nanocomposites comprising well …

EP0825919B1 - Single-screw extruder and process for solid ...

A process and apparatus for single screw solid state shear extrusion pulverization of polymeric materials in which the polymeric materials are heated to a temperature suitable for forming a continuous thin film of said polymeric material, and then cooled, and normal and shear forces sufficient to form powder of the polymeric material are applied by a single cylindrical or conical mesh screw.

SSSP - Torkelson Research Group

Home. John Torkelson. Group Members. Research. Publications. Patents. Alumni: Novel Materials Made by Solid-State Shear Pulverization. Solid-state shear pulverization (SSSP) is a novel mechanical process that uses a modified twin-screw extruder with cooling zones to maintain the polymer in the solid state during processing.

Single Screw Solid State Pulverization

Single Screw Solid State Pulverization. 01 Calcite Deep Processing Plant in Belgium 800 meshes =D90. Calcite deep processing production line in Belgium is composed of PE250×400 jaw crusher, electro-vibrating feeder, HXM-1021 micro powder mill, hoister, electrical cabinet, packing machine and pulse dust collector. ...

Pulverization of rubber granulates using the solid-state ...

A single screw extruder was used to pulverize rubber granulates at high shear and compression without using cryogenic fluid for cooling. This process, solid-state shear extrusion (SSSE), is based on the large compressive shear deformation of rubber granulates, which results in the storage of a large amount of strain energy and the formation of cracks.

Single-screw extruder for solid state shear extrusion ...

Jan 06, 1998· A process and apparatus for single screw solid state shear extrusion pulverization of polymeric materials in which the polymeric materials are heated to a temperature suitable for forming a continuous thin film of said polymeric material, and then cooled, and normal and shear forces sufficient to form powder of the polymeric material are applied by a single cylindrical or conical mesh screw.

Polymer Graphite Nanocomposites: Effective Dispersion and ...

Here we employ solid-state shear pulverization (SSSP) to produce polymer-graphite nanocomposites that are not subject to the thermodynamic/kinetic limitations associated with con-ventional processes. With SSSP, a modified twin-screw extruder applies shear and compressive forces to solid-state …

Solid-state shear-extrusion pulverization of polymer materials

This information was used as a guide to obtain optimum operating conditions and design parameters for optimum design of the solid state shear extrusion (SSSE) pulverization process [H. Arastoopour ...

solid state shear pulverization sssp

Solid-state shear pulverization (SSSP) is a continuous solid-state milling technique in which polymer/nanofiller blends are pulverized within a modified twin-screw extruder operating at sub-ambient temperatures The SSSP method can be tailored to specific applications by controlling the numerous processing parameters. Additionally, solid-state shear

Achievement of quasi-nanostructured polymer blends by ...

T1 - Achievement of quasi-nanostructured polymer blends by solid-state shear pulverization and compatibilization by gradient copolymer addition. AU - Tao, Ying. AU - Kim, Jungki. AU - Torkelson, John M. PY - 2006/9/7. Y1 - 2006/9/7

pulverization in materal - ilmercantello.it

US5704555A Singlescrew extruder for solid state shear . A process and apparatus for single screw solid state shear extrusion pulverization of polymeric materials in which the polymeric materials are heated to a temperature suitable for forming a continuous thin film of said polymeric material, and then cooled, and normal and shear forces sufficient to form powder of the polymeric material are ...

single screw solid state pulverization - tasteforchocolate.nl

Single-screw extruder for solid state shear extrusion, Jan 06, 1998· A process and apparatus for single screw solid state shear extrusion pulverization of polymeric materials in which the polymeric materials are heated to a temperature suitable for forming a continuous thin film of said polymeric material, and then cooled, and normal and shear forces sufficient to form powder of the ...