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Sustainable rosin acid ester as internal electron donors in Ziegler-Natta catalysts for synthesis of isotactic polypropylene with high melt flow rate
Bio-derived rosin acid esters internal electron donors Ziegler-Natta catalyst polypropylene polymerization
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2023/12/11
In this contribution, novel bio-derived rosin acid ester compounds have been developed and used as internal electron donors to prepare MgCl2?supported titanium catalysts for propylene polymerization. ...
Characterization of Absorbent Flow Rate in Towel and Tissue
Absorbent Flow Rate Towel Tissue
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2010/9/20
The quality of a paper towel is often judged based on how quickly it can wipe up a spill. However, the test methods currently available cannot repeatably measure significant differences in absorbent r...
Flow-Rate Optimization of Dyeing Liquid in a Liquid Flow Dyeing Process for PET Knit Fabrics
Pump Liquid flow machine Inverter Nozzle Nozzle pressure
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2009/4/15
The factors of dyeing technology for PET knit fabrics using liquid flow dyeing machine include the dye exhaustion property of PET fiber and liquid flow parameters in the dyeing machine. This article i...
Theoretical Investigation of Separator Units in Saw-gin Machines. I: Cotton Flow Rate Estimation
ginning process saw-gin separator units non-dimensional flow rate
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2009/2/9
This theoretical study is intended to investigate the performance of a saw-gin ginning machine with special reference to separator units. For this purpose, a theoretical model of the separator units o...
The Effects of Mass Flow Rate in an Indirect Ultra-High Temperature Processing System
Mass flow rate UHT process system
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2008/11/10
The effect of mass flow rate on product temperature and residence time were studied in a helically coiled, indirectly steam-heated, vertical flow, laboratory Ultra High Temperature (UHT) system equipp...