solid state shear pulverization sssp

solid state shear pulverization sssp

Effects of Polymer Properties on Solid-State Shear

Solid-state shear pulverization (SSSP) is an alternative polymer processing technique based on twin-screw extrusion with a continuous cooling system. In SSSP, low-temperature

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SSSP - Torkelson Research Group

2019年1月24日  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. High

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Compatibilization of polymer blends by shear pulverization

2020年1月1日  Solid-state shear pulverization (SSSP) is a relatively new high-pressure and shear deformation technique, which relies on mechanochemical reactions between

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Solid‐state shear pulverization of post‐industrial ultra‐high

Solid-state shear pulverization (SSSP) is a continuous, twin-screw extruder-based processing technique in which the low-temperature application of shear and compressive

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Mechanochemical modification of crosslinked low‐density

2022年6月20日  This study investigates solid-state shear pulverization (SSSP) as a continuous, commercially viable mechanochemical processing technique to initiate the

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Solid-state shear pulverization as effective treatment for

2014年2月14日  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

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Residence Time Distribution and Specific Mechanical

2019年12月18日  Download Citation Residence Time Distribution and Specific Mechanical Energy in Solid‐State Shear Pulverization: Processing‐Structure‐Property Relationships

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Production of thermoplastic starch and poly (butylene

2021年4月15日  A novel processing technique involving Solid-State Shear Pulverization (SSSP) was used to produce thermoplastic starch (TPS) and Poly (Butylene Adipate-co

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Mechanochemical modification of crosslinked low‐density

2022年6月1日  Solid-state shear pulverization (SSSP) is a unique processing technique for mechanochemical modification of polymers, compatibilization of polymer blends, and

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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

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Effects of Polymer Properties on Solid-State Shear

Solid-state shear pulverization (SSSP) is an alternative polymer processing technique based on twin-screw extrusion with a continuous cooling system. In SSSP, low-temperature mechanochemistry modifies the macromolecular architecture and morphology, which in turn leads to physical property changes in the material. While a wide range of homopolymers,

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Production of thermoplastic starch and poly (butylene

2021年4月15日  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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Sustainable Green Hybrids of Polyolefins and Lignin Yield

2015年4月8日  Here, green hybrids of low density polyethylene (LDPE) and polypropylene (PP) with 5–30 wt % lignin are made by solid-state shear pulverization (SSSP). Microscopy shows that SSSP leads to superior lignin dispersion and suppressed degradation when compared to melt-mixed composites reported in the literature. Composites made by

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Solid-state shear pulverization as a real-world process for

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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Maleic anhydride functionalization of polypropylene with

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 ...

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Mechanochemical modification of crosslinked low‐density

2022年6月20日  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

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Cellulose nanocrystal/polyolefin biocomposites prepared

In particular, we employ solid-state shear pulverization (SSSP). Optical and electron microscopy reveals excellent CNC dispersion with strongly suppressed degradation relative to composites made by melt mixing. Effective dispersion leads to major increases in Young's modulus, including a 69% increase in 90/10 wt% LDPE/CNC composites relative to ...

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Processing-Structure-Property Relationships in Solid-State

2012年7月1日  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

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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. This ...

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Figure 6 from Cellulose nanocrystal/polyolefin

DOI: 10.1016/J.POLYMER.2014.11.017 Corpus ID: 14372631; Cellulose nanocrystal/polyolefin biocomposites prepared by solid- state shear pulverization: Superior ...

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Effects of Polymer Properties on Solid-State Shear

Solid-state shear pulverization (SSSP) is an alternative polymer processing technique based on twin-screw extrusion with a continuous cooling system. In SSSP, low-temperature mechanochemistry modifies the macromolecular architecture and morphology, which in turn leads to physical property changes in the material. While a wide range of homopolymers,

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SPE Polymers: Vol 3, No 3 - Wiley Online Library

2022年3月3日  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 of post-industrial cross-linked low-density polyethylene (XLLDPE) is investigated, where SSSP is tuned to decrosslink the network

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Sustainable Green Hybrids of Polyolefins and Lignin Yield

2015年4月8日  Here, green hybrids of low density polyethylene (LDPE) and polypropylene (PP) with 5–30 wt % lignin are made by solid-state shear pulverization (SSSP). Microscopy shows that SSSP leads to superior lignin dispersion and suppressed degradation when compared to melt-mixed composites reported in the literature. Composites made by

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Well-mixed blends of HDPE and ultrahigh molecular

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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Processing‐structure‐property relationships in solid‐state

2012年3月27日  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...

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Effects of process method and quiescent coarsening on

2015年1月4日  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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Production of thermoplastic starch and poly (butylene

2021年4月15日  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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Morphology and toughness enhancements in recycled

2015年11月5日  Post-consumer high-density polyethylene (HDPE) from milk jugs is processed via conventional twin screw extrusion (TSE), solid-state shear pulverization (SSSP), and solid-state/melt extrusion (SSME), and compared to the as-received and virgin forms regarding output attributes and mechanical properties, as well as morphology.

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(12) United States Patent (10) Patent No.: US 7,906,053 B1

2017年10月20日  using solid-state shear pulverization (SSSP) for preparation of polymer-graphite nanocomposite materials, without resort to chemical or thermal graphite pretreatment. It can be another object of this invention to provide one or more methods of SSSP to enhance one or more mechanical or physical properties of the polymer-graphite

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Figure 6 from Cellulose nanocrystal/polyolefin

DOI: 10.1016/J.POLYMER.2014.11.017 Corpus ID: 14372631; Cellulose nanocrystal/polyolefin biocomposites prepared by solid- state shear pulverization: Superior ...

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