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Supplier: Bepex International LLC
Description: SYSTEM #1 Crystallization-Drying Heat treatment of polyester polymer is required to change its original amorphous state to a crystalline form. This process is call crystallization. The change is structure is exothermic and the rate of crystallization will decrease as the polymer becomes
- Dryer Type: Desiccator
- Desiccator Type: Inert Gas Purge
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Supplier: SABIC
Description: including chlorinated solvents; and eliminates the draw-backs of semi-crystalline materials, imidized thermosets, and competitive amorphous thermoplastics which can require post-molding curing or crystallization. In addition, Extem resin is inherently flame-retardant without the use of halogenated
- Chemical / Polymer System Type: Polyimide
- Compound Type: Molding Resin
- Pellets: Yes
- Industry: Aerospace, Automotive, Marine, Medical / Food (FDA), Industrial, Building / Construction, Other
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Supplier: GEA Process Engineering Inc.
Description: vessel/separator. In crystallizer applications this is then where the crystals form, and special separator designs are used to separate crystals from the recirculated crystal slurry. More information about crystallization is available in the crystallization section. The heat exchanger (in evaporator
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Supplier: SABIC
Description: including chlorinated solvents; and eliminates the draw-backs of semi-crystalline materials, imidized thermosets, and competitive amorphous thermoplastics which can require post-molding curing or crystallization. In addition, Extem resin is inherently flame-retardant without the use of halogenated
- Chemical / Polymer System Type: Polyetherimide, Polyimide
- Filler Material: Unfilled
- Compound Type: Molding Resin
- Pellets: Yes
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Supplier: Valcor Engineering Corporation
Description: Corrosion- By not allowing corrosive fluids to contact metal operating parts, corrosion cannot occur. • Resists Clogging- By not allowing fluids to contact plunger area, clogging cannot occur due to fluid crystallization or precipitation. • Resists Heat Transference- By isolating the heat
- Media: High Purity Gas
- Connection: Threaded
- Material of Construction: PTFE - Teflon®
- Valve Type: Solenoid Valves
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Supplier: Valcor Engineering Corporation
Description: Corrosion- By not allowing corrosive fluids to contact metal operating parts, corrosion cannot occur. • Resists Clogging- By not allowing fluids to contact plunger area, clogging cannot occur due to fluid crystallization or precipitation. • Resists Heat Transference- By isolating the heat
- Valve Type: Diaphragm Valves
- Single Solenoid: Yes
- Media Description: Water
- Material of Construction: Polypropylene (PP), Other
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Supplier: Valcor Engineering Corporation
Description: Corrosion- By not allowing corrosive fluids to contact metal operating parts, corrosion cannot occur. • Resists Clogging- By not allowing fluids to contact plunger area, clogging cannot occur due to fluid crystallization or precipitation. • Resists Heat Transference- By isolating the heat
- Valve Type: Diaphragm Valves
- Media Description: Air, Compressed Air, Water, Gas (general)
- Material of Construction: Polyethylene (PE), Other
- Valve Type: Diaphragm Valves, Solenoid Valves
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Supplier: Valcor Engineering Corporation
Description: Corrosion- By not allowing corrosive fluids to contact metal operating parts, corrosion cannot occur. • Resists Clogging- By not allowing fluids to contact plunger area, clogging cannot occur due to fluid crystallization or precipitation. • Resists Heat Transference- By isolating the heat
- Primary Material of Construction: PTFE - Teflon®
- Actuation: Manual / Hand
- Media: Water, Hot Water, Cold Water
- Connection: Threaded
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Supplier: Accuratus Corporation
Description: Macor is cast as a two phase glass. After casting, it is heat treated causing crystallization of one phase giving rise to its glass-like and ceramic-like characteristics. Macor exhibits good thermal shock resistance and mechanical toughness when compared to conventional glasses with similar
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Featured Products for HEAT OF CRYSTALLIZATION Top
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M+P Labs
Polymer and Composite Characterization
. Metallographic preparation. Scanning Electron Microscope (SEM-EDS), electron microprobe evaluation. Thermal Analysis. Coefficient of Thermal Expansion. Thermal mechanical analysis by TMA, time to de-lamination, 3-point bend, 4-point bend. Glass transition temperatures, melting temperatures, heats, fusion and crystallization by DSC. Decomposition by TGA. Mechanical Testing. Bond, compressive, deflection, flexural, tear and tensile strength. Hardness, shear properties, impact strength. ASTM C1341... (read more)
Browse Material Testing Services Datasheets for M+P Labs
Conduct Research Top
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Controlling Crystallization through Modeling
control is not well understood. Part of the complexity is that size distribution varies in space and time in a crystallizer due to non-ideal flow patterns and heat transfer. Furthermore, it is dependent upon solution thermodynamics and crystallization phenomena such as nucleation, growth, aggregation
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Thermoplastic Polymide - Polyetheretherketone Blends with Exceptional High Temperature Properties (.pdf)
New thermoplastic polyimide (TPI) - polyetheretherketone (PEEK) blends improve high temperature load bearing capability and dimensional stability of PEEK. These phase-separated blends maintain PEEK's fast crystallization rate unlike other one-phase miscible PEEK blends. Blend compositions can
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Differential Scanning Calorimeters (DSC)
Differential scanning calorimeters (DSC) measure heat flows and temperatures associated with exothermic and endothermic transitions. They incorporate the most commonly used thermal analysis technique and are used routinely for investigating, selecting, and evaluating materials. DCS are also used
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Nanostructured Steels Are On The Horizon
Revolutionary steels devised with nanotechnology may be poised to usher in a new Iron Age. Transmission electron microscope micrograph showing the changes in the microstructure of nanosteel alloys with varying crystallization conditions. (Left) 500C for 100-hr heat treatment showing anisotropic
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Open Batch Control: Not Quite Plug-and-Play, But Getting Closer
analysis, FTIR, and NIR are all moving to the plant floor. They enable operators to accomplish such complex tasks as monitoring a polymorph transition during crystallization. Yet unlike field instruments, PAT instruments have traditionally operated as stand-alone entities. They are not easily incorporated
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Wiremesh Substrates for Oxidation, TWC and SCR Converters (.pdf)
. Wiremesh substrates provide radial and longitudinal flows (depth flow) and turbulent kinetic energy. The back pressure of the substrate is optimized using different material properties and knitting patterns. Substrate geometry is optimized using different brazing materials and heat treatment
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Production of Cough Mixtures and Pharmaceutical Syrups
. * Heating of the mixture will be required to aid solution. This is energy inefficient. * The cooling process after this further adds to costs and process time. * Crystallization of the syrup can occur during heating/cooling. * Active ingredients can be damaged by heat. * Thickening ingredients
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Phase Behavior of Blends Containing Poly(resorcinol phthalate-block-carbonate) and Poly(ethylene terephthalate) (.pdf)
and die head temperature. allow for the crystallization to fully develop, the cold. between 250 and 270°C and 150 to 300 rpm screw speed. crystallization is eliminated during the heating scan,. The extruder has 8 independent feeders for different. which is evidenced by the smooth transition
Engineering Web Search: HEAT OF CRYSTALLIZATION Top
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Heat exchanger - Wikipedia, the free encyclopedia
Tubular heat exchanger. A heat exchanger is a piece of equipment built for efficient heat transfer from one medium to another.
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Liquid - Wikipedia, the free encyclopedia
The heat can be removed by channeling the liquid through a heat exchanger, such as a radiator, or the heat can be removed with the liquid during
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ASTM E793 - 06(2012) Standard Test Method for Enthalpies of...
method describes the determination of the enthalpy (heat) of fusion (melting) and crystallization by differential scanning calorimetry (DSC).
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Stability of Metallic Glasses: Criteria and Prediction of...
as well as forecasting of their ductile-brittle transition and crystallization according to heat emission alterations of the relaxation spectrum.
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NASA Quest > Space Team Online
Since the crystallization process is dramatic, demonstrate the clicking process with another heat pack and pass it around for students to feel.
- Dynamics of surface crystallization and melting in...
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Electrical tree growing properties of LDPE influenced by heat...
Electrical tree growing properties of LDPE influenced by heat treatments
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Demos: Latent Heat
Latent Heat Purpose: To demonstrate the tremendous amount of energy released when a liquid freezes to a solid.