solid state shear pulverization sssp

Solid State Shear Pulverization - How is Solid State Shear ...

SSSP - Solid State Shear Pulverization. Looking for abbreviations of SSSP? It is Solid State Shear Pulverization. Solid State Shear Pulverization listed as SSSP. Solid State Shear Pulverization - How is Solid State Shear Pulverization abbreviated?

Morphology and toughness enhancements in recycled high ...

Request PDF on ResearchGate | Morphology and toughness enhancements in recycled high-density polyethylene (rHDPE) via solid-state shear pulverization (SSSP) and solid-state/melt extrusion (SSME ...

CiteSeerX — SOLID-STATE SHEAR PULVERIZATION AS A REAL ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Solid-state shear pulverization (SSSP) is an innovative processing technique that has proven to effectively disperse nanoscale structural entities to achieve compatibilized polymer blends and exfoliated polymer nanocomposites. The SSSP apparatus, which is a modified twin-screw extruder, can continuously …

Overcoming the Achilles' Heel of Processing of Polymer ...

and industrially scalable process called solid-state shear pulverization (SSSP). This novel polymer processing technique exposes polymers to high shear and compressive forces near ambient temperature, which allows for fragmentaion and fusion steps in the solid-state. We found

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 ...

Alumni - Torkelson Research Group

"An Innovative Polymer Processing Method, Solid-State Shear Pulverization (SSSP): Intimate Mixing, Compatibilization, and Basic Understanding of the Process" 2005 Christopher J. Ellison - …

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.

Novel Green Polymer Composites: Major Enhancements in the ...

called solid-state shear pulverization (SSSP), which exposes polymers to high shear and compressive forces near ambient temperature. For the PLA composite, this was followed with melt processing (MP) with added polyethylene glycol (PEG). We demonstrate a synergistic effect of MCC and PEG in enhancing the crystallization ...

Well-mixed blends of HDPE and ultrahigh molecular weight ...

Sep 15, 2014· By coupling SSSP with single-screw extrusion, we also demonstrate our ability to tune the effective mixing between UHMWPE and HDPE. Solid-state shear pulverization uses a twin-screw melt extruder modified with a cooling system to maintain the polymer in the solid state,,,,,,,,,,, .

Solid-state shear pulverization as effective treatment for ...

Solid-state shear pulverization (SSSP) using a batch-type kneader was performed at a temperature lower than the PP melting point in order to improve the dispersion of the LCNFs in the PP matrix, which also contained 5 wt% maleic anhydride-grafted PP.

Maleic anhydride functionalization of polypropylene with ...

Jul 19, 2013· We present a novel method of synthesizing PP-g-MA while strongly suppressing MW reduction using solid-state shear pulverization (SSSP). By taking advantage of the relatively low temperature conditions associated with SSSP and with the use of azobisisobutyronitrile as radical initiator, significant MA grafting levels are achieved while strongly ...

Cellulose nanocrystal/polyolefin biocomposites prepared by ...

Jan 15, 2015· Cellulose nanocrystals (CNCs), a class of renewable bionanomaterials with excellent mechanical properties, have gained major interest as filler for polymers.

SBIR Phase I: Efficient and Effective Recycling of Post ...

This Small Business Innovation Research Phase I project will effectively and efficiently recycle post-consumer plastic materials for high value applications through an innovative and environmentally benign approach known as solid-state shear pulverization (SSSP). SSSP subjects the materials to high shear and compressive forces and avoids melting.

Ester Functionalization of Polypropylene via Controlled ...

We present a novel method of functionalizing PP using benzoyl peroxide (BPO) alone by a process called solid-state shear pulverization (SSSP), resulting in ester functional groups (benzoates) grafted at high yield onto PP. Ester functionalized PP (PP-g-ES) is synthesized with limited MW reduction because SSSP is done at sufficiently low T to ...

An innovative polymer processing method, "solid-state ...

Solid-state shear pulverization (SSSP), which relies on a modified twin screw extruder to process materials in the solid state, is designed to overcome these limitations. Repeated fragmentation and fusion steps accompanying SSSP lead to intimate mixing and compatibilization which are difficult to be achieved in conventional melt mixing.

WO2014047589A1 - Peroxy-derivative functionalization of ...

PEROXY-DERIVATIVE FUNCTIONALIZATION OF POLYPROPYLENE . VIA SOLID-STATE SHEAR PULVERIZATION [0001] This application claims priority benefit from application serial . no. 61/704,177 filed September 21, 2012-the . Background of the Invention, entirety of …

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

Free Online Library: Processing-structure-property relationships in solid-state shear pulverization: parametric study of specific energy.(Report) by "Polymer Engineering and Science"; Engineering and manufacturing Science and technology, general Chemical processes Research Polymer composites Chemical properties Composition Identification and classification Production processes Polymeric ...

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 …

SSSP - What does SSSP stand for? The Free Dictionary

Looking for online definition of SSSP or what SSSP stands for? SSSP is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary

Novel, synergistic composites of polypropylene and rice ...

Using the industrially scalable solid‐state shear pulverization (SSSP) process, PP‐RHA hybrids are made with 4–38 wt% RHA. As determined by microscopy and other methods, composites made by SSSP have much better RHA dispersion than composites reported …

Novel synthesis of branched polypropylene via solid-state ...

A common approach for improving melt strength is to incorporate long-chain branches (LCBs). We describe the discovery of a novel approach to prepare LCB PP by subjecting linear PP to solid-state shear pulverization (SSSP) with benzoyl peroxide (BPO) as the lone additive.

2013 Annual Meeting - Conferences & Events | AIChE

Solid-state shear pulverization (SSSP) is a novel processing method, which utilizes a modified twin-screw extruder that operates under near-ambient temperature conditions. During SSSP, polymers are processed in their solid state using high compressional and shear forces that cause repeated fragmentation and fusion of the material.

Cellulose nanocrystal/polyolefin biocomposites prepared by ...

industrially scalable process called solid-state shear pulverization (SSSP) [14,15,19,89e103] to produce green composites of poly-olefins and CNCs with excellent dispersion and remarkable prop-erty enhancements compared to those reported in literature. (The SSSP process is one of a class of solid-state processing methods

Investigation of Solid-State Shear Pulverization ...

Solid-state shear pulverization (SSSP) is a relatively new technique that grinds polymers and fillers together well below the melt temperature of the polymer; SSSP avoids the use of expensive and/or dangerous solvents, does not thermally

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 ...

(629b) Polymer-Graphite and Polymer-Carbon Nanotube ...

Nov 12, 2009· A continuous, industrially scalable process method called solid-state shear pulverization (SSSP) is shown to be effective in producing well-dispersed polypropylene (PP)/ carbon nanotube and PP/ as-received graphite nanocomposites that cannot be obtained by conventional melt processing alone.

(46e) Polar Functionalization of Polypropylene with ...

Solid-state shear pulverization (SSSP) is a novel processing method, which utilizes a modified twin-screw extruder that operates under near-ambient temperature conditions. During SSSP, polymers are processed in their solid state using high compressional and shear forces that cause repeated fragmentation and fusion of the material.

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

Nov 05, 2012· It can be an object of this invention to provide a method of using solid-state shear pulverization (SSSP) for preparation of polymer-graphite nanocomposite materials, without resort to chemical or thermal graphite pretreatment.

Polymer Graphite Nanocomposites: Effective Dispersion …

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 …

Flax Fiber-Polyamide 6 Composites via Solid-State Shear ...

Solid-state shear pulverization (SSSP) [6-11] is an alternative processing technique to TSE, in which chilled screws and barrels in a modified twin screw extruder apply high shear and compressive forces to the materials in the solid state, well below their melting or glass transition temperatures.

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