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Product guide TABLE OF CONTENTS Page Page Alcohols 4 Micronized Polyalcohols 8 n-Butanol 2-EH (2-Ethylhexanol) Alkoxylated Polyalcohols 8 Isobutanol CTF (Cyclic Trimethylolpropane Formal) Nonionic Diol 8 Ymer™ N120 Aldehydes 4 Isobutyraldehyde Hydroxy Acids 8 n-Butyraldehyde Bis-MPA (Dimethylolpropionic Acid) Propionaldehyde Allyl Ethers 9 Acids 4 APE (Allyl Pentaerythritol) Formic Acid TMPDE (Trimethylolpropane Diallyl Ether) 2-EHA (2-Ethylhexanoic Acid) TMPME (Trimethylolpropane Monoallyl Ether) Propionic Acid Phthalic Anhydride Caprolactones 9 PIA (Purified Isophthalic Acid) Coalescing Agents 9 Organic & Inorganic Salts 5 Coalescers NX 795 & NX 800 Calcium Formate Potassium Formate Specialty Polymers 9 Sodium Formate Boltorn™ dendritic polymers Sodium Sulphate Oxymer™ polycarbonate diols Feed Additives 5 Products for Intumescent ProSid™ Fire Protection Systems 10 ProPhorce™ Charmor™ ProFare™ ProTain™ Bio-based Esters 11 ProMyr™ RME (Rapeseed Oil Methyl Ester) Food Additives 6 Oxetanes 11 Profina™ TMPO (Trimethylolpropane Oxetane) Acetic Acid Other Products 11 Plasticizers 6 Polyol PX Emoltene™ 100 Polyol TD Emoltene™ 244 m-Xylene Polyalcohols 6 Formox 11 BEPD (Butyl Ethyl Propanediol) MPD (Methyl Propanediol) Neo (Neopentyl Glycol) TMP (Trimethylolpropane) Glycerine tech Di-TMP (Di-Trimethylolpropane) Penta (Pentaerythritol) Di-Penta (Di-Pentaerythritol) 2 3 Alcohols Aldehydes n-Butanol – improving coating properties Isobutyraldehyde, n-Butyraldehyde & Propionaldehyde This product is used to make acrylate monomer, which is used – important chemical building blocks in the production of latexes for waterborne surface coatings and Isobutyraldehyde, n-Butyraldehyde and Propionaldehyde are improves binding properties. It is also used as a starter for butyl- important chemical building blocks. Isobutyraldehyde is a acetate which functions as a solvent for polyurethane based necessary intermediate in the paint industry, in the production coatings, as a process solvent in production of chemicals and of pharmaceuticals and vitamins and in the manufacture of pharmaceuticals and as a co-solvent in water based coatings. Neopentyl Glycol. The main applications of n-Butyraldehyde n-Butanol is further used as a direct solvent and as an inter- are the production of n-Butanol, 2-Ethylhexanol and 2-Ethyl- mediate in the manufacture of chemicals such as butylglycol- hexanal. It is also useful in the manufacture of polyvinylbutyral ether and amino resins. and trimethylolpropane. Propionaldehyde is mainly used as an intermediate in the production of propionic acid. Other 2-EH (2-Ethylhexanol) – enhancing with additives important applications areas are pharmaceuticals, synthetic The main application of this colorless liquid is esterification flavors and fragrances. with phthalic anhydride to produce the general-purpose plasticizer DOP (Dioctyl Phthalate), which is used as a plasticizer in PVC. 2-EH is also used as a nitrate which improves cetane number in Acids diesel fuel. Further application areas include lube oil additives, acrylates, PVC stabilizers, oil mining chemicals, special plasti- Formic Acid – tanning, preserving & cleaning cizers, herbicides and ester oils. Formic Acid is used in leather tanning (pickling, deliming, pH-adjustment, etc.), commercial cleaning agents and in the Isobutanol – essential intermediate preservation and acidification of animal feed. In the produc- Isobutanol is used as a solvent in coatings, resins and dyes, and tion of fishmeal, Formic Acid helps keep the feed fresh and free as an extractant. It is also an intermediate in the manufacture of from salmonella. Large quantities of formic acid are used as an chemicals, such as butylacetate, butylglycolether, butylacrylate inter mediate in various pharmaceuticals and fine chemicals. and amino resins. 2-EHA (2-Ethylhexanoic Acid) – versatile raw material CTF (Cyclic Trimethylolpropane Formal) – This important raw material has versatile application uses in low-odor & excellent performance specialty plasticizers, corrosion inhibition in automotive cool- CTF is a monofunctional alcohol supplied as a colorless liquid ants, synthetic lubricants, and metal soaps for paint driers and suitable for making radiation-curable monomers and esters. PVC stabilizers. Further application areas for 2-EHA include the The acrylic ester combines low viscosity, low odor, high reactivity pharmaceutical sector and as preservative in the timber industry. and excellent adhesion. CTF is suitable as a lubricant additive. 4 Propionic Acid – food & feed preservation a unique base for ”Clear brine” drilling and completion fluids Major application areas for this product are agriculture and in high pressure or high temperature wells. Other applications food industries, to preserve animal feed, grain, baked products include heat transfer fluids. Its performance is especially valued and cheese. Propionic Acid can be used as free acid or as calcium/ when a non-toxic alternative is required, i.e. in food applications. sodium salts to improve feed quality, and thus the resulting food quality. Further application areas include ester solvents, pharma- Sodium Formate – versatile & safe ceuticals, herbicides, and synthetic flavors and fragrances. A major application of Sodium Formate is in the production of sodium hydro sulphite/dithionite, a bleaching agent used Phthalic Anhydride – for alkyds, polyesters mainly in the pulp and paper industry. Sodium Formate is & plasticizers also used in several steps of leather tanning, where it acts as a This important intermediate is mainly employed in the pro- general pH-neutralizer. It is also useful as an environmentally duction of phthalates such as DOP, which is used as a plasti- friendly runway deicer and brines of Sodium Formate can cizer in PVC, unsaturated polyesters and alkyd resins used in increase yields from oil drilling. Two growing application areas the coatings industry. are detergents and as an antifreeze agent in concrete. PIA (Purified Isophthalic Acid) – adding clarity Sodium Sulphate – a clear winner & performance Used in glass production, Sodium Sulphate decomposes and Key raw material PIA is an aromatic di-carboxylic acid with facilitates the removal of the last air bubbles in the melt. exceptional purity. Resin and coatings formulators employ Another application is as filler in detergents. We also supply PIA to enhance the clarity of PET-bottle grade resins, secure Sodium Sulphate to the fertilizer industry. Certain crops such superior water and chemical resistance in unsaturated polyesters as sugar beets and tomatoes benefit from added sulphur. and improve the property balance for coating resins. With its 1,3 carboxylic acid configuration, PIA helps break crystallinity in PET (polyethylene terephthalate) bottle and fiber grade, Feed Additives which in turn improves clarity and processing. For unsaturated polyester resins (UPRs) and gelcoats, PIA, combined with Neo ProSid™ – mold inhibitors, toxin binders (Neopentyl Glycol), secures the production of UPRs with supe- Our ProSid™ feed additives include a number of products rior water resistance and weatherability. These polyesters are that are dedicated to preventing or minimizing mold damage generically termed iso-polyesters and they are the mark of quality in order to improve livestock health and performance. Their that boat builders look for in UPRs and gelcoats. PIA is essential properties have been fully investigated and product formula- in saturated polyesters for liquid and powder coatings. tions have been developed to ensure you achieve optimal results. Our solid and liquid mold inhibitors are based on organic acids and esters of organic acids that prevent mold growth. Organic & Inorganic Salts Our mycotoxin binder comprises a mix of binders that remove toxins by absorbing them so they can be readily excreted. Our Calcium Formate – improves adhesion & open time myctoxin binders also support the immune system to minimize Calcium Formate significantly improves the qualities and the negative effects of mycotoxins in livestock. properties of tile adhesives. This additive increases open time, improves adhesion and is a highly efficient strength accelerator. ProPhorce™ – acidifiers & bacterial inhibitors It is particularly suitable for tile mortars where acceleration and Our ProPhorce™ feed additives include a number of solid and low skin formation is required. It also improves water stability, liquid products that are dedicated to stomach acidification and pliability and homogeneity. bacterial inhibition in order to improve performance and farm Potassium Formate – environmentally friendly productivity. They comprise either organic acids or organic performance acids combined with essential oils and esters of organic acids. Used in runway deicers, combining low corrosiveness, a low Their properties have been investigated and product formu- freezing point and high biodegradability. The properties of lations have been developed to ensure you achieve optimal density, viscosity, toxicity, biodegradability and compatibility results. Individual additives are tailored to enhance gut health with polymers at high temperatures, make Potassium Formate both for poultry and swine. 5 ProFare™ – enzymes for non-starch saccharides Not all grains used as feed or part of a feed mix are of comparable Plasticizers nutritional value to animals. This is because these grains contain Emoltene™ 100 – new generation of plasticizers non-starch saccharides that cannot be broken down to simpler This new generation
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  • Purification and Properties of the Inducible Coenzyme A-Linked Butyraldehyde Dehydrogenase from Clostridium Acetobutylicum NEIL R

    Purification and Properties of the Inducible Coenzyme A-Linked Butyraldehyde Dehydrogenase from Clostridium Acetobutylicum NEIL R

    JOURNAL OF BACTERIOLOGY, JUlY 1988, p. 2971-2976 Vol. 170, No. 7 0021-9193/88/072971-06$02.00/0 Copyright © 1988, American Society for Microbiology Purification and Properties of the Inducible Coenzyme A-Linked Butyraldehyde Dehydrogenase from Clostridium acetobutylicum NEIL R. PALOSAARI* AND PALMER ROGERS Department of Microbiology, University of Minnesota, Minneapolis, Minnesota 55455 Received 13 November 1987/Accepted 25 March 1988 The coenzyme A (CoA)-linked butyraldehyde dehydrogenase (BAD) from Clostridium acetobutylicum was characterized and purified to homogeneity. The enzyme was induced over 200-fold, coincident with a shift from an acidogenic to a solventogenic fermentation, during batch culture growth. The increase in enzyme activity was found to require new protein synthesis since induction was blocked by the addition of rifampin and antibody against the purified enzyme showed the appearance of enzyme antigen beginning at the shift of the fermentation and increasing coordinately with the increase in enzyme specific activity. The CoA-linked acetaldehyde dehydrogenase was copurified with BAD during an 89-fold purification, indicating that one enzyme accounts for the synthesis of the two aldehyde intermediates for both butanol and ethanol production. Butanol dehydrogenase activity was clearly separate from the BAD enzyme activity on TEAE cellulose. A molecular weight of 115,000 was determined for the native enzyme, and the enzyme subunit had a molecular weight of 56,000 indicating that the active form is a homodimer. Kinetic constants were determined in both the forward and reverse directions. In the reverse direction both the V,ax and the apparent affinity for butyraldehyde and caproaldehyde were significantly greater than they were for acetaldehyde, while in the forward direction, the Vmax for butyryl-CoA was fivefold that for acetyl-CoA.