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The radical, (PR4)+.
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Although phosphonium borate doesn't store much hydrogen, "it might be possible to use our compound as a catalyst to add hydrogen" to another material with abundant storage capacity, Stephan says.
The phosphonium borate splits into H2 molecules and phosphine borane, then recombine under cooler temperatures to create the original compound.
89 Not after post-cure, g/cc obtained * Benzyl triphenyl phosphonium chloride Table 3--MDR curemeter results (177[degrees]C) Compound ML, ts2, tc50, tc90, tc95, MH, dNm min.
The full registration, one of the industry's most stringent and rigorous, is the only one for a biocide based on Tetrakishydroxymethyl Phosphonium Sulfate, giving oilfield service companies in Canada access to the industry's leading, biodegradable technology for controlling bacteria in oil and gas reservoirs.
The study titled "Impacts of Tetrakis-hydroxymethyl Phosphonium Sulphate (THPS) Based Biocides on the Functional Group Activities of Some Oil Field Microorganisms Associated with Corrosion and Souring" was published in August 6, 2014 edition of the British Microbiology Research Journal.
8] studied the effect of clays with different modifiers on the PVDF-clay nanocomposites and found that the phosphonium modified clay gave the highest yield of the [beta] phase.
Reagents II-63 Polymer Gels II-63 Raw Materials - An Overview II-63 Biocides II-63 Oxidizing Biocides II-63 Chlorine (Cl2) II-63 Chlorine Dioxide (ClO2) II-63 Chloramines II-64 Bromine (Br2) II-64 Non-Oxidizing Biocides II-64 Aldehydes II-64 Glutaraldehyde II-64 Acrolein II-64 Amines II-65 Amine-Type Compounds II-65 Amine and Diamine Biocides II-65 Halogenated Compounds II-65 Sulfur Compounds II-65 Carbamates II-65 Metronidazole II-65 Quaternary Phosphonium Salts II-65 Calcium Chloride II-66 Calcium Hydroxide II-66 Calcium Sulfate II-66 Calcium Carbonate II-66 Tannin II-66 Phosphate Salts II-66 Lignite II-67
A phosphonium surfactant was used to modify the montmorillonite, in order to obtain a thermally stable organoclay.
Solvent-free mechanochemical synthesis of phosphonium salts.
Table 1 - non-lead curative systems for polyepichlorohydrin Thiadiazole Echo MPS Thiadiazole derivative Vanax 829 Bisphenol Dynamar Phosphonium salt Zeonet PB Sulfur and peroxide Ter polymers only ETU only Calcium oxide ETU only Magnesium oxide 6-methyl-quinoxaline-2,3- Daisonet dithiocarbamate Table 2 - synthetic aqueous acid condensate resistance - use of fumed silica Synthetic aqueous acid Spec Lead TCY TCY engine condensate lower 168 hrs.
Dow Microbial Control, a business group of The Dow Chemical Company, today acquired an Environmental Protection Agency (EPA) registration for tetrakis (hydroxymethyl) phosphonium sulfate (THPS).