Abstract: Composites comprised of reinforcing fibers in a continuous matrix of poly(biphenylene sulfide) resin and methods of producing such composites are provided. The poly(biphenylene sulfide) resin is produced by reacting 4,4'-difluorobiphenyl with an alkali metal sulfide in a polar organic compound whereby the resin has a high melting point and a high melt viscosity, and the composites formed therefrom have excellent mechanical properties and retention of mechanical properties at high temperatures.

Abstract: Novel metal-working process and aqueous metal-working fluids are provided. The aqueous metal-working fluids contain at least one sodium hydrocarbylthiocarboxylate as an extreme pressure (EP) additive.

Abstract: Improved poly(arylene sulfide sulfone)s are prepared by contacting these polymers with a zinc source, optionally first with an alkali metal base, for a period of time sufficient to incorporate enough zinc cations to improve the melt stability of the polymers. The polymer can be subsequently cured to increase molecular weight.

Abstract: A method for preparing a water soluble lubricating additive having the generic structural formula: ##STR1## wherein R.sub.1 is an alkyl, cycloalkyl, aryl, alkaryl or aralkyl group having from 1 to 34 carbon atoms; R.sub.2, R.sub.3 and R.sub.4 are independent alkylene groups having from 2 to 30 carbon atoms; x is either 1 or 2; y is either 0 or 1 when x=1 and is 0 when x=2; m is either 0 or 1 and n=2 to 30 is disclosed, wherein a sulfur-containing alcohol is initially reacted with an organic carboxylic acid to produce an alkylmercapto ester which is then further reacted with an alkylene oxide to produce the lubricating additive. The water-soluble lubricating additives produced in this manner are useful as lubricating additives for water-based fluids used in metalworking operations.

Abstract: A water soluble lubricating additive for water-based fluids used in metalworking operations comprising a polyoxyalkylene sulfur compound selected from the group consisting of alkyl polyoxyalkylene sulfides, alkyl polyoxyalkylene sulfoxides and mixtures thereof. In an alternate embodiment of this invention, dithiodiglycol may be combined with a polyoxyalkylene sulfur compound selected from the group consisting of alkyl polyoxyalkylene sulfides, alkyl polyoxyalkylene sulfoxides and mixtures thereof to produce said water soluble lubricating additive.

Abstract: Halohydroxyalkylthio-substituted an dihydroxyalkylthio-substituted polycarboxylic acids and alkali metal salts thereof are effective corrosion inhibitors for various metal surfaces. In one embodiment, mineral acid compositions such as aqueous hydrochloric acid metal cleaning solutions exhibit diminished corrosiveness when corrosion inhibiting additives of the invention are present in the compositions.

Abstract: Novel metal-working process and aqueous metal-working fluids are provided. The aqueous metal-working fluids contain at least one N,N'-dilactam disulfide as an extreme pressure (EP) additive.

Abstract: Hydrocarbyl-substituted sulfinyl and sulfonyl carboxylic acids are effective corrosion inhibitors for surfaces of various metals. In one embodiment, mineral acid compositions such as aqueous hydrochloric acid metal cleaning solutions exhibit diminished corrosiveness when corrosion inhibiting additives of the invention are present in the compositions.

Abstract: A mixture of di-(2-hydroxyethyl)disulfide and a derivative of polyoxyalkylene glycol selected from the group consisting of polyoxyalkylene glycol esters and polyoxyalkylene glycol ethers. The mixture is useful in improving the lubricating characteristics of water based fluids in metal working operations.

Abstract: In the emulsion polymerization of acrylic monomers, an improvement comprises the use of 3-mercaptopropionate esters as chain-transfer agents. Novel polymers are produced by the inventive polymerization process.

Abstract: A photocurable composition consisting essentially of the mixture of a diisocyanate compound, a polyol and certain UV light sensitive organotin compounds. The photocurable composition is cured by exposing it to ultraviolet light in the wavelength range of 2000 to 4000 Angstroms for a period of about 0.1 second to about 20 minutes at a temperature in the range of about 0.degree. F. to about 180.degree. F.

Abstract: A process for the rapid curing of polyurethanes comprising the steps of (a) mixing together a diisocyanate compound, a diol, a polyol, and a diazonium salt and thereafter (b) exposing the resulting mixture to ultraviolet light in the wavelength range of about 2000 to about 4000 Angstroms for a period of about 0.1 second to about 20 minutes at a temperature in the range of about 0.degree. F. to about 180.degree. F.

Abstract: A metalworking composition containing 2-hydroxyethyl-(3-chloro-2-hydroxypropyl)sulfide in an aqueous medium. A method for enhancing the extreme pressure lubricating properties of an aqueous metalworking composition by admixing therein 2-hydroxyethyl-(3-chloro-2-hydroxypropyl)sulfide.

Abstract: A process for the control of planktonic sulfate-reducing bacteria in industrial process water systems which comprises the step of treating said system with a dithiocarbamate of the formula: ##STR1## wherein R is a C.sub.1 to C.sub.4 alkyl radical, R.sup.1 is either a methylene or ethylene radical, n is 0, 1, 2, or 3 and X is a Group IA alkali metal.

Abstract: A novel composition and process are provided for cleaning metallic steel surfaces. The aqueous cleaning composition comprises effective amounts of a metal hydroxide, a water soluble surfactant and at least one sulfur containing compound selected from the group consisting of a thioalkanoic compound or a dithiobis (alkanoic) compound. A thioalkanoic compound represented by:R--S--R--COOHand a dithiobis (alkanoic) compound represented byR'OOC--R--(S).sub.n --R--COOR'wherein R is any divalent hydrocarbon radical having from 1 to 8 carbon atoms, R' is hydrogen or any alkyl radical having from 1 to 4 carbon atoms, and n can be 1, 2, or 3.

Abstract: Novel compositions are provided for the cleaning and inhibiting corrosion of metallic surfaces. The cleaning composition has an active ingredient consisting of at least one sulfur containing compound selected from the group consisting of a bis(N-2 pyrrolidonyl), an (N-2 pyrrolidonyl), or a bis(N-succinimidyl) sulfur-containing compound.

Abstract: A novel aqueous metal cleaning composition consisting essentially of a Group IA or IIA metal hydroxide and at least one active metal cleaning ingredient of the formula ##STR1## wherein R can be any hydrocarbylene radical having 1 to 6 carbon atoms, X is any H or OH, M is any group IA or IIA metal and n is the valence of M.

Abstract: A novel composition and process are provided for cleaning metallic surfaces. The aqueous cleaning composition comprises an effective amount of at least one thiomorpholine compound represented by the formula: ##STR1## where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 can be hydrogen or any hydrocarbyl radical having from 1 to 3 carbon atoms and where the total number of carbon atoms in R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 not to exceed about 10 carbon atoms; and where R.sub.9 is hydrogen or any hydrocarbyl radical having from 1 to 8 carbon atoms, metal hydroxide, and water soluble surfactant.

Abstract: A novel composition and process are provided for cleaning metallic surfaces. The cleaning composition comprises an effective amount of at least one sulfur containing compound selected from the group consisting of a dialkylamino dithiocarbamic acid, a mercapto alkanone, or a trimethylene ring sulfur compound.