Maleic anhydride functionalization of polypropylene via solid-state
Maleic anhydride functionalization of polypropylene via solid-state shear pulverization Download PDF Info Publication number ... sssp polymer functionalization maleic anhydride samples Prior art date Application number PCT/US2013/061246 Other languages French (fr)
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Production of thermoplastic starch and poly (butylene adipate-co
A novel processing technique involving Solid-State Shear Pulverization (SSSP) was used to produce thermoplastic starch (TPS) and Poly (Butylene Adipate-co-Terephthalate) (PBAT) films to improve processability and produce well-dispersed blends. Four different compositions (50-80 wt% TPS content) were processed using two different …
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Polypropylene-based nano-composite formation: Delamination of
Solid-state shear pulverization (SSSP) is a continuous process that overcomes challenges in producing well-dispersed polymer composites that cannot be made by twin-screw melt extrusion. We use SSSP to produce 85/15 wt% polypropylene/waste paper biocomposites with polypropylene pellets and 2-cm-square waste paper pieces as …
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Kalman Symposium 2023
Solid-State Shear Pulverization (SSSP): An Investigation into Thermoplastic Types and Properties Solid-state shear pulverization (SSSP) is an alternative polymer processing technique based on twin screw extrusion with a continuous cooling system...
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Solid‐state shear pulverization of post‐industrial …
Solid-state shear pulverization (SSSP) is a continuous, twin-screw extruder-based processing technique in which the low-temperature application of shear and compressive forces impart …
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Processing-structure-property relationships in solid-state shear
Solid-state shear pulverization (SSSP) is a unique processing technique for mechanochemical modification of polymers, compatibilization of polymer blends, and …
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Novel synthesis of branched polypropylene via solid-state shear
Solid-state shear pulverization (SSSP) is a continuous process that overcomes challenges in producing well-dispersed polymer composites that cannot be made by twin-screw melt extrusion. We use SSSP to produce 85/15 wt% polypropylene/waste paper biocomposites with polypropylene pellets and 2-cm-square waste paper pieces as …
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Solid-state shear pulverization as a real-world process for polymer
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 process polymer blends and nanocomposites ...
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Mechanochemical modification of crosslinked …
This study investigates solid-state shear pulverization (SSSP) as a continuous, commercially viable mechanochemical processing technique to initiate the decrosslinking of XLLDPE for mechanical recycling.
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(PDF) Mechanochemical modification of crosslinked low‐density
Solid‐state shear pulverization (SSSP) is a modified twin screw extrusion technique that can process high melt‐viscosity materials in an effective, continuous, and sustainable manner.
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(602c) Residence Time Distribution in a Chilled Polymer Extruder: Solid
Solid-state shear pulverization (SSSP) is a twin screw extruder-based polymer processing methodology that has been developed and applied to a wide range of systems, such as homopolymer modification [1], polymer blend [2] and composites/ nanocomposite [3] synthesis, and plastics recycling [4]. In SSSP,
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Solid-state shear pulverization as a real-world process for polymer
Solid-state shear pulverization (SSSP) is an innovative processing technique that has proven to effectively disperse nanoscale structural entities to achieve compatibilized …
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Well-mixed blends of HDPE and ultrahigh
Here, we present solid-state shear pulverization (SSSP) as a mild, continuous, and simple approach for achieving effective and intimate mixing in UHMWPE/HDPE blends. These SSSP blends are easily processed by post-SSSP melt extrusion; for an SSSP blend with 50 wt% UHMWPE, we observe more than a factor of 1000 increase in viscosity at a shear ...
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Solid-State Shear Pulverization: A Comprehensive Study on …
Will, Tyler A., "Solid-State Shear Pulverization: A Comprehensive Study on Polymer Processing Technology from a Systematic Innovation Perspective" (2023). Master's Theses. 267.
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Well-mixed blends of HDPE and ultrahigh molecular
We demonstrated that effective blending of UHMWPE/HDPE blends containing up to 50 wt% UHMWPE can be achieved using SSSP. Solid-state shear pulverization presents a continuous, mild, and scalable approach for preparing well-mixed UHMWPE/HDPE blends that can be easily processed by post-SSSP melt extrusion and …
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SPE Polymers: Vol 3, No 3
Solid-state shear pulverization (SSSP) is a modified twin screw extrusion technique that can process high melt-viscosity materials in an effective, continuous, and sustainable manner. Mechanical recycling …
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Well-mixed blends of HDPE and ultrahigh molecular weight
Solid‐state shear pulverization (SSSP) is a modified twin screw extrusion technique that can process high melt‐viscosity materials in effective, continuous, and sustainable ways. Mechanical ...
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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 ...
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Maleic anhydride functionalization of polypropylene with suppressed
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 …
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Effects of process method and quiescent coarsening on
We compare how solid-state shear pulverization (SSSP), batch melt mixing (BMM), and static melt-state annealing affect the morphology of an immiscible blend of polypropylene (PP) and ethylene-α-olefin copolymer (EOC). For 85/15 wt% PP/EOC blends, SSSP and BMM led to log-normal distributions of dispersed-phase particle size. The …
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Polylactic Acid Chemical Foaming Assisted by Solid-State …
A chemical foaming process of polylactic acid (PLA) was developed via the solid-state processing methods of solid-state shear pulverization (SSSP) and cryogenic milling. Based on the ability of solid-state processing to enhance the crystallization kinetics of PLA, chemical foaming agents (CFA) are first compounded before foaming via compression ...
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Residence Time Distribution and Specific Mechanical Energy in Solid
Solid‐state shear pulverization (SSSP) is a continuous polymer processing methodology based on a modified twin‐screw extruder. The unique application of low barrel temperatures and ...
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Solid-State Shear Pulverization
Solid-State Shear Pulverization is an innovative process that produces polymeric powders with unique physical properties not found in the output of conventional size-reduction methods. This technology has profound implications for both the creation of new polymer blends and recycling of plastic and rubber waste. Illustrated with 60 photographs, …
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Peroxy-derivative functionalization of polypropylene via solid-state
[0023] As relates to certain non-limiting embodiments, this invention provides a method of functionalizing PP with benzoyloxy and related carbonyl groups via solid-state shear pulverization (SSSP). Taking advantage of unique near ambient temperature chemistries associated with SSSP, PP functionalization is achieved with suppressed molecular ...
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Katsuyuki Wakabayashi's research works | Bucknell University, …
The chilled extrusion process, also known as solid-state shear pulverization (SSSP) takes various forms in the literature, but it is basically a process whereby the materials are subjected to ...
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Solid-State Shear Pulverization: A Comprehensive Study on …
Solid-state shear pulverization (SSSP) is a continuous and scalable processing technique that imposes mechanochemical changes in polymer-based materials. It has been shown …
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American Chemical Society
Solid-State Shear Pulverization (SSSP) is a distinctive and niche polymer processing technique based on a continuous twin-screw extruder modified with low-temperature barrels and screws. SSSP imparts high shear and compression in polymers at a temperature well below the melting and glass transition temperatures. Different …
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Mechanochemical modification of crosslinked low-density …
This study investigates solid-state shear pulverization (SSSP) as a continuous, commercially viable mechanochemical processing technique to initiate the decrosslinking of XLLDPE for mechanical recycling. Post-industrial XLLDPE scrap material was processed using SSSP with a range of pulverization conditions, which were correlated with universal
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Processing-structure-property relationships in solid-state shear
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 ...
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Pulverization of rubber granulates using the solid-state shear
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 … Expand. 41. PDF. Save. A New Recycling Technology: Compression Molding of Pulverized Rubber Waste in the Absence of …
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