آخرین محصولات

Polymer Engineering & Science: Vol 63, No 2

Solid-state shear pulverization (SSSP) is a modified twin screw extrusion technique that can process high melt-viscosity materials in effective, continuous, and …

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Single-Screw Extruder for Solid State Shear Extrusion …

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 …

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Method and apparatus for pulverizing polymers

Single-screw extruder for solid state shear extrusion pulverization and method US5769335A (en) * : : Tennessee Technological University ... Solid state shear pulverization of multicomponent polymeric waste US6513737B2 (en) : : Illinois Institute Of Technology ...

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A New Polymer Processing Technology for Polymer Blends

A novel process called solid-state shear pulverization (SP) has been developed at Northwestern University to recycle single or commingled postconsumer or preconsumer polymeric waste without ...

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SSSP

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 …

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Reconstituted composite materials derived from waste made by solid

In practicing the invention to achieve solid state shear pulverization of the scrap feedstock M in the manner described hereabove, the twin-screw extruder 10 can comprise for purposes of illustration and not limitation the model ZE 40A twin-screw extruder (L/D 40.5) manufactured by Hermann Berstorff Maschinenbau , PO Box 629, D-3000 …

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Polymer Engineering & Science: Vol 63, No 2

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 recycling of post-industrial ultrahigh molecular weight polyethylene (UHMWPE) is facilitated by the SSSP process, which can be tuned to affect …

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SINGLE-SCREW EXTRUDER AND PROCESS FOR SOLID STATE …

single-screw extruder and process for solid state shear extrusion pulverization of polymeric materials 0825919 - EP96915776B1 - EPO Application May 14, 1996 - Publication Dec 15, 1999

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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. ... Thereafter, flat films were produced from the blends in a single-screw extruder AX …

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Effects of Polymer Properties on Solid-State Shear Pulverization

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

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Characterization of plasticizing process of single screw extruder …

A new single screw extruder platform with hydraulic clamshell barrels was constructed to investigate the melting of solid polymer with different combinations of barrels and screws. The melting ...

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US Patent for Methods for increasing throughput rates of solid-state

A method for improving the throughput of solid-state shear pulverization and solid-state melt-extrusion devices may include the addition of a heat absorbing material with a mixture of polymeric materials in an extruder. The extruder may include one or more extrusion screws. ... Although FIG. 1 illustrates a single extrusion screw 120, ...

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Compatibilization of polymer blends by shear pulverization

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 extrusion pulverization

An apparatus for solid state shear extrusion pulverization of a polymeric material comprising an elongated hollow barrel having a feed zone, ... . 1 is a longitudinal cross-sectional view of a barrel of a solid state shear extrusion pulverization apparatus with a single cylindrical screw in accordance with one embodiment of this invention;

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Pulverization of rubber granulates using the solid-state shear

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 …

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Apparatus and process for pulverization of a polymeric material

Solid state shear extrusion pulverization: : Ivanov: 5704555: Single-screw extruder for solid state shear extrusion pulverization and method: : Arastoopour: 5397065: Solid state shear extrusion pulverization: : Shutov et al. 5356054: Wagon with cutting, mixing and dispensing functions for fodder and grass …

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Well-mixed blends of HDPE and ultrahigh

Fingerprint Dive into the research topics of 'Well-mixed blends of HDPE and ultrahigh molecular weight polyethylene with major improvements in impact strength achieved via solid-state shear pulverization'.

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Analysis of Rubber Particles Produced by the Solid State Shear

Recently, extruder-type processes such as twin-screw extruder 7 and solid-state shear pulverization 8, 9 have been used. However, none of the methods is predominantly related to the ...

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Pulverization of rubber under high compression and shear

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, Single Screw Extruder for Solid State Shear Extrusion Pulverization, U.S. Patent No. 8,101,468 (1998)].

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Well-mixed blends of HDPE and ultrahigh molecular weight

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

Supporting: 3, Mentioning: 63 - 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 …

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Well-mixed blends of HDPE and ultrahigh molecular

Solid-state shear pulverization (SSSP) assisted extrusion [17] used a twin-screw extruder modified with a cooling system to maintain the UHMWPE/HDPE blend in the solid state. This process was accompanied by high shear stresses and compressional forces that caused repeated fragmentation and fusion of material.

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Effects of Polymer Properties on Solid-State Shear Pulverization

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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Pulverization of rubber under high compression and shear

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) …

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Grinding of Waste Rubber | Rubber Recycling: Challenges and

An effective, yet cheaper SSSE process was developed using a single screw extruder by Arastoopour in his patented work, and Bilgili et al. also used the single screw version of SSSE in their work and identified the effect of different dependent and independent variables on the pulverization of rubber granulates using SSSE. 15,21

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Pulverization of rubber granulates using the solid-state shear

A single screw extruder was used to pulverize rubber granulates at high shear and compression without using cryogenic fluid for cooling.

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Efficient mixing of polymer blends of extreme viscosity ratio

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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SINGLE-SCREW EXTRUDER AND PROCESS FOR SOLID …

[0001] This invention relates to a solid state shear extrusion apparatus and process for continuous pulverization to fine particles of a wide variety of solids and their mixtures, …

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Study on the solid-state shear pulverization process in single …

We propose a novel polymer extrusion process, known as the solid state shear extrusion pulverization and modification (SSSE process), based on the …

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Solid state shear extrusion pulverization

An apparatus for solid state shear extrusion pulverization of a polymeric material comprising an elongated hollow barrel having a feed zone, a heating zone adjacent to the feed zone, a powder formation zone adjacent to the heating zone, and a powder discharge zone adjacent to the powder formation zone. At least one screw is housed within the …

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