PDF Publication Title:
Text from PDF Page: 204
15 10 5 0 -5 -10 -15 Virgin PEEK150CA30 [Cs2CO3] = 1 mg ml-1 [Cs2CO3] = 4 mg ml-1 [Cs2CO3] = 6 mg ml-1 [Cs2CO3] = 8 mg ml-1 300 400 500 600 700 Temperature (K) Figure 64: DSC thermograms for PEEK 150CA30 processed for 30 minutes using [PrOH] = 20 %v, [H2O] = 80 %v, 16.4 ± 0.4 MPa, 1 - 8 mg ml-1 Cs2CO3 Inspection of Figure 64 shows that the polymer transitions, in particular the melt temperature (Tm), are prominent when the caesium carbonate concentration is up to 8 mg ml-1. There is a noticeable reduction in the Tm for all samples irrespective of the caesium carbonate concentration when compared to the virgin PEEK sample. The reduction in Tm for the processed samples may be due to the partial decomposition of a proportion of the polymer chains, leading to an increased polydispersity index (PDI) (not measure during this research). Should this occur, some decomposition products would exist and, having a different decomposition temperature to PEEK, could potentially decompose prematurely. This is consistent with empirical observation; inspection of Figure 64 shows that for samples processed with a [Cs2CO3] of 4, 6 and 8 mg ml-1, an exotherm is visible immediately after the Tm. It is also noted that when [Cs2CO3] was 8 mg ml-1 the onset of the exotherm occurred prior to the Tm, with the sample becoming exothermic at approximately 510 K. 203 Heat Flow (mW)PDF Image | Supercritical Fluids and Their Application to the Recycling of High-Performance Carbon Fibre Reinforced Composite Materials
PDF Search Title:
Supercritical Fluids and Their Application to the Recycling of High-Performance Carbon Fibre Reinforced Composite MaterialsOriginal File Name Searched:
Dandy15PhD.pdfDIY PDF Search: Google It | Yahoo | Bing
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Turbine IT XR Project Redstone Design: NFT for sale... NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Includes all rights to this turbine design, including license for Fluid Handling Block I and II for the turbine assembly and housing. The NFT includes the blueprints (cad/cam), revenue streams, and all future development of the IT XR Project Redstone... More Info
Infinity Turbine ROT Radial Outflow Turbine 24 Design and Worldwide Rights: NFT for sale... NFT for the ROT 24 energy turbine. Be part of the future with this NFT. This design can be bought and sold but only one design NFT exists. You may manufacture the unit, or get the revenues from its sale from Infinity Turbine. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Supercritical CO2 10 Liter Extractor Design and Worldwide Rights: The Infinity Supercritical 10L CO2 extractor is for botanical oil extraction, which is rich in terpenes and can produce shelf ready full spectrum oil. With over 5 years of development, this industry leader mature extractor machine has been sold since 2015 and is part of many profitable businesses. The process can also be used for electrowinning, e-waste recycling, and lithium battery recycling, gold mining electronic wastes, precious metals. CO2 can also be used in a reverse fuel cell with nafion to make a gas-to-liquids fuel, such as methanol, ethanol and butanol or ethylene. Supercritical CO2 has also been used for treating nafion to make it more effective catalyst. This NFT is for the purchase of worldwide rights which includes the design. More Info
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
Infinity Turbine Products: Special for this month, any plans are $10,000 for complete Cad/Cam blueprints. License is for one build. Try before you buy a production license. May pay by Bitcoin or other Crypto. Products Page... More Info
CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com (Standard Web Page)