Specialty chemicals biocides

Specialty chemicals are formulations of chemicals containing one or more fine chemicals as active ingredients. They are identified according to performance properties. Customers are trades outside the chemical industry and the public. Specialty chemicals are usually sold under brand names. Suppliers have to provide product information. Subcategories are adhesives, agrochemicals, biocides, catalysts, dyestuffs and pigments, enzymes, electronic chemicals, flavors and fragrances, food and feed additives, pharmaceuticals, and specialty polymers (see Chapter 11). 

As with other specialty chemicals, which can impair human health and therefore need extensive and expensive testing prior to commercialization, R D in biocides is concentrating on formulations and applications, rather than on new chemical entities. NCEs are developed for substitution of old products with environmental hazards, such as the copper/arsenic compounds used in timber and wood preservation. 

Times change, and today almost all of the raw material chemicals, biocide concentrates, phosphonates, and specialty polymers that can be used in modem water treatment formulations are widely available to both large and small companies. Most water treatment companies around the world have potential access to these materials. 

Ciba Specialty Chemical Inc. s Irgaguard A was the first commercially available biocide to protect plastics against algae and moss on their smTaces. The company has received FDA approval for its Irgaguard F 3000 fungicide as well. The latter can be compounded into PVC, PU, PP, PE, polystyrene, polyester and polyamides, as well as rubbers and elastomers, with intended applications in construction, transportation, household appliances and recreational goods. The pinpose is to eliminate stains, mildew, discoloration and odours. 

Akzo Nobel (Akcros Chemicals), Arch, Arch Biocides, BASF, Bayer, Bode, Ciba Specialty Chemicals, Clariant, Dow, Ishizuka, Johnson Matthey, Kromatix, Lonza, Milliken Chemical, Progiven, Rohm and Haas, Shinagawa, Schulke and Mayr, Thor, Toagosei and Troy. 

Specialties 55% ( 990 billion) Additives and catalysts Biocides Dyestuffs and pigments Electronic chemicals Flavors and fragrances Food and feed additives Household and personal care Life science products Specialty polymers / Pharmaceuticals Veterinary drugs Agrochemicals... 

Uses Intermediate for chemical specialties, pesticides disinfectant as germicide and fumigant in mfg. of oil-sol. resins, photographic chemicals, oil demulsifiers, phenolic resins, agric. surfactants, antiskinning agents biocide in pharmaceuticals... 

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