Hexamethylene Diisocyanate Production Cost Analysis Hdi E12a PDF Download
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| Author | : Intratec |
| Publisher | : Intratec |
| Total Pages | : 103 |
| Release | : 2019-09-17 |
| Genre | : Business & Economics |
| ISBN | : |
Download Hexamethylene Diisocyanate Production - Cost Analysis - HDI E12A Book in PDF, ePub and Kindle
This report presents a cost analysis of Hexamethylene Diisocyanate (HDI) production from hexamethylene diamine (HMDA) and urea. The process examined is a non-phosgene technology similar to the process developed by BASF. In this process, HMDA reacts with urea and butanol generating a carbamate intermediate. Then, the carbamate is thermally cracked producing HDI. This report was developed based essentially on the following reference(s): (1) US Patent 5386053, issued to BASF in 1995 (2) US Patent 6410778, issued to BASF in 2002 Keywords: Hexamethylene Diisocyanate, HDI, Hexamethylene Diamine, HMDA, BASF, Non-Phosgene, Urea-Based Process
| Author | : Intratec |
| Publisher | : Intratec |
| Total Pages | : 102 |
| Release | : 2019-09-17 |
| Genre | : Business & Economics |
| ISBN | : |
Download Hexamethylene Diisocyanate Production - Cost Analysis - HDI E11A Book in PDF, ePub and Kindle
This report presents a cost analysis of Hexamethylene Diisocyanate (HDI) production from hexamethylene diamine (HMDA) and chlorine. The process examined is a typical phosgenation process. In this process, HMDA reacts with phosgene to produce HDI. The phosgene used is generated from chlorine and carbon monoxide in an on-site unit. Hydrogen chloride (HCl) is generated as by-product. This report was developed based essentially on the following reference(s): Keywords: Hexamethylene Diisocyanate, HDI, Hexamethylene Diamine, HMDA, Phosgenation
| Author | : Intratec |
| Publisher | : Intratec |
| Total Pages | : 103 |
| Release | : 2019-09-17 |
| Genre | : Business & Economics |
| ISBN | : |
Download Nylon 6, 6 Production - Cost Analysis - Nylon 66 E12A Book in PDF, ePub and Kindle
This report presents a cost analysis of Nylon 6,6 production from adipic acid and hexamethylenediamine (HMDA). The process examined is a typical continuous polymerization process. In that process, adipic acid and HMDA are first reacted to form a nylon salt solution that is further fed to a polymerization section. Polymerization is carried out in multiple stages and the polymer melt formed is transferred to the finishing section. This report was developed based essentially on the following reference(s): (1) WO Patent 2014179065, issued to Invista in 2014; (2) 'Polymers, Polyamides, Aliphatic', by Terry S. Chern, - McKetta, J. J. and Cunningham, W. A.. Encyclopedia of Chemical Processing and Design, Vol. 14 Keywords: Continuous Process, Lurgi Zimmer, Uhde Inventa-Fischer, Polycondensation
| Author | : Canadian Centre for Occupational Health and Safety |
| Publisher | : |
| Total Pages | : 15 |
| Release | : 1987 |
| Genre | : Cyclohexane |
| ISBN | : 9780660126265 |
Download Hexamethylene Diisocyanate (Hdi) and Polyisocyanates Made From Hdi Book in PDF, ePub and Kindle
| Author | : RA. Cassidy |
| Publisher | : |
| Total Pages | : 10 |
| Release | : 1985 |
| Genre | : Adsorbent tube |
| ISBN | : |
Download Collection and Analysis of Airborne Hexamethylene Diisocyanate by a Modified OSHA Method Book in PDF, ePub and Kindle
A modified Occupational Safety and Health Administration (OSHA) method for the determination of 1,6-hexamethylene diisocyanate (HDI) in air was tested in the laboratory and applied in the analysis of spray paint environments. Field tests included side-by-side comparison of alternative procedures of HDI sampling, along with tests to define the stability of 1-(2-pyridyl) piperazine [1-(2-P)P] impregnated filters, and the effect of increased reagent loading. Since the method employs 1-(2-P)P in excess to form the HDI-urea derivative that is then analyzed by high-performance liquid chromatography (HPLC), there is unreacted reagent present in samples. This residual (unreacted) portion causes HPLC interferences, extended analysis time, and deterioration of HPLC columns. To avoid these undesirable characteristics, a means for the removal of "excess" reagent was developed. This paper describes the application of a multi-port valve and short precolumns for facilitating the removal of "excess" reagent and presents data generated by this improved method.
