Top Equipments




Popular searches

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 ....

Know More

Pulverization of rubber granulates using the solid
Apr 30, 2001 0183 32 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...

Know More

Apparatus and process for pulverization of a polymeric ,
Mar 09, 2001 0183 32 Solid state shear extrusion pulverization 1998-04-28 Ivanov 5704555 Single-screw extruder for solid state shear extrusion pulverization and method 1998-01-06 Arastoopour 5397065 Solid state shear extrusion pulverization 1995-03-14 Shutov et al 5356054 Wagon with cutting, mixing and dispensing functions for fodder and grass or straw ....

Know More

Achievement of quasi
Here, we investigate the potential of using a single-step, continuous, and industrially scalable process called solid-state shear pulverization SSSP 11,12, 55 56 57 58 59 60 61 ,...

Know More

Green composites of polypropylene and eggshell Effective ,
Oct 06, 2014 0183 32 Here, we investigate the potential of using a single-step, continuous, and industrially scalable process called solid-state shear pulverization SSSP , , , , , , , , , , , , , , , , to produce well-dispersed, green composite materials of PP/ES with significant property enhancements Fig 1b Although the current study employs a lab-scale/pilot-plant apparatus, ,...

Know More

Dispersion and Property Enhancements in Polyolefin/Soy ,
A novel processing technique combining single-screw extrusion SSE and solid-state shear pulverization SSSP is employed for producing polyolefin/soy flour biocomposites with synergistic property enhancements In comparison, SSE and melt-mixed composites show severe particle agglomeration resulting in poor material properti...

Know More

Process for removing paint from polymeric material ,
Aug 16, 1999 0183 32 Solid state shear extrusion pulverization 1998-04-28 Ivanov 5704555 Single-screw extruder for solid state shear extrusion pulverization and method 1998-01-06 Arastoopour 5667151 Process and apparatus for collecting waste plastics as separated 1997-09-16 Miura et al 241/20...

Know More

Some Aspects of a Plastics Pulverization Technology by ,
Mar 01, 2000 0183 32 A single screw extruder was used to study the effect of the metering screw section geometry ie, the shearing on the pulverization The extruder exhibited a L/D ratio of 25 1 and 18 mm screw diameter Three screws were studied having a channel depth in the feed section of 365 mm each and channel depth in the metering section of 073, 12 and ....

Know More

Recycling of elastomeric materials using the solid state ,
Recycling of elastomeric materials using the solid state shear extrusion SSSE pulverization process , Abstract A single screw extruder was used to pulverize vulcanized natural rubber, ground tire tread and polyurethane granulates in the solid state into fine particles under high compression and shear This process, known as Solid ....

Know More

Hamid Arastoopour Illinois Institute of Technology
Hamid Arastoopour is Henry R Linden Professor of Engineering and Director of Wanger Institute for Sustainable Energy Research WISER at Illinois Institute of Technology IIT in Chicago, Illinois Since 1985, he has been a member of the chemical engineering faculty at IIT, where he served as chairman of the department from 1989 to 2003, and Dean of the Armour ,...

Know More

Pulverization process of a vulcanized rubber material ,
Solid state shear extrusion pulverization 1998-04-28 Ivanov 5735471 Cryogenic tire disintegration process and apparatus 1998-04-07 Muro 241/23 5704555 Single-screw extruder for solid state shear extrusion pulverization and method 1998-01-06 Arastoopour 5395055 Solid state shear extrusion pulverization 1995-03-07 Shutov et al 5299744...

Know More

Extrusion crystallization of an olefin polymer
Single-screw extruder for solid state shear extrusion pulverization and method 1998-01-06 Arastoopour 5594080 Thermoplastic elastomeric olefin polymers, method of production and catalysts therefor 1997-01-14 Waymouth et al 526/126 5415354 Solid state shear extrusion pulverization 1995-05-16 Shutov et al 5397065 Solid state shear ....

Know More

Studying the pulverization mechanisms of low
A single screw extruder was used to pulverize vulcanized natural rubber, ground tire tread and polyurethane granulates in the solid state into fine particles under high compression and ,...

Know More

Novel synthesis of branched polypropylene via solid
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 ....

Know More

Overcoming technological issues associated with color ,
Oct 01, 2012 0183 32 Here, we employ a novel, continuous, industrially scalable process known as solid-state shear pulverization SSSP to disperse colorant materials in a polymer matrix prior to molding We show that SSSP can be used as a cost-effective, single-step solid-state compounding method for replacing the four-step method and yielding powders with ....

Know More

Cellulose nanocrystal/polyolefin biocomposites prepared by ,
12 Solid-state shear pulverization A new strategy for producing polyole´Čün/CNC composite materials Here, we employ a single-step, solventless, continuous and industrially scalable process called solid-state shear pulverization SSSP 14,15,19,89e103 to produce green composites of poly-...

Know More

Method and apparatus for shear pulverization of polymer ,
The solid material is conveyed to the input port by a single screw extruder The rotation of the rotor generates shear forces on the material which leads to pulverization and particle size reduction into a powder...

Know More

Solid state shear extrusion pulverization
Aug 02, 1993 0183 32 Solid state shear extrusion pulverization according to this invention requires low energy input, about one fifth the energy required in presently used cryogenic pulverization, and provides finer and more uniform powders, than presently known pulverization techniques known to the inventors, which may be used in a broader range of re-use or end ....

Know More

CHAPTER 1 Grinding of Waste Rubber RSC Publishing DOI 10 ,
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...

Know More

Ester Functionalization of Polypropylene via Controlled ,
Here, we investigate the potential of using a single-step, continuous, and industrially scalable process called solid-state shear pulverization SSSP 11,12, 55 56 57 58 59 60 61 62 63 ....

Know More

Plural Means Being Diverse, Or Parallel And Intermeshing ,
Jan 07, 1999 0183 32 Abstract In a twin extruder wherein an underwater cutting apparatus 12 is connected, via a gear pump 9, to an discharge port 8 of a cylinder 1 which houses therein twin screws both ends of which are supported, both sides of both screws 2, 3 are material conveying sections 5a, 5b having flights of small lead, the downstream sides of the respective material ,...

Know More

Pulverization of rubber granulates using the solid
Furthermore, E p has been measured for simple pulverization of rubber granules with a single screw solid-state shear extruder 46 Although the relevant E ,...

Know More

Analysis of Rubber Particles Produced by the Solid State ,
May 01, 2000 0183 32 Vulcanized natural rubber was pulverized using a single screw extruder in a non-cryogenic Solid State Shear Extrusion SSSE process where rubber granulates were subjected to high compressive and shear stress The produced ,...

Know More

Investigation of Solid
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...

Know More

Compatibilization of polymer blends by shear pulverization ,
Jan 01, 2020 0183 32 Solid-state shear pulverization SSSP is a relatively new high-pressure and shear deformation technique, which relies on mechanochemical reactions between polymer chains in solid state One of it applications is in the compatibilization of polymer blends...

Know More

Analysis of rubber particles produced by the solid state ,
Vulcanized natural rubber was pulverized using a single screw extruder in a non-cryogenic Solid State Shear Extrusion SSSE process where rubber granulates were subjected to high compressive and shear stress The produced particles had diameters ranging from 40 ,...

Know More

Experimental and theoretical analyses of pulverization and ,
A two-stage process for recycling of vulcanized rubber was proposed In the first stage, the vulcanized rubber was shredded into granulates, and then the granulates were pulverized into fine particles using a single screw extruder in the solid state shear extrusion SSSE process In the second stage, the produced rubber powder was compression molded to produce new items...

Know More

Ecevit Bilgili New Jersey Institute of Technology ,
Rubber granules were pulverized using the single screw Solid State Shear Extrusion SSSE process This process is non-cryogenic and pulverization takes place under high shear and compression conditions The effects of operating variables such as temperature and shear rate were examined, and optimum conditions were identified...

Know More

Methods for increasing throughput rates of solid
Sep 03, 2014 0183 32 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 One or more portions of the one or more extrusion screws, one or more barrel ,...

Know More

A new recycling technology Compression molding of ,
Recycling of rubber waste poses a challenging environmental, economical, and social problem In the present study, we propose a new two-stage recycling process to reuse a rubber waste First, the granulates of the waste were pulverized into small particles using a single screw extruder in the Solid State Shear Extrusion SSSE process...

Know More