Abstract: Phosphorus-containing halogenated unsaturated polyester compositions are prepared by heat treating halogenated unsaturated polyesters derived from at least one epihalohydrin and maleic anhydride. The heat treatment is carried out in the presence of an organic phosphite at a temperature of between 50.degree. and 200.degree. C.

Abstract: A mortar comprising an inorganic binder such as anhydrite, gypsum or cement is rendered more flowable and processible by incorporating therein a condensation product of formaldehyde with a sulfonated aromatic ether, imine or sulfone, e.g. preferably about 0.3 to 2% by weight of the binder of the condensation product of formaldehyde with sulfonated ditolyl ether. There may also be present an auxiliary such as FeSO.sub.4 . 7 H.sub.2 O, Al.sub.2 (SO.sub.4).sub.3. 18 H.sub.2 O or KA1(SO.sub.4).sub.2, as well as an additive such as a plasticizer, hardening accelerator, retarder, air-entraining agent, thickener, activator or anti-foam agent, and/or an aggregate such as sand, gravel, perlite, pumice or foamed plastic beads.

Abstract: In accordance with the invention there is provided a method, and a composition for the practice of the method, for repairing tooth or bone structure wherein there is applied to the tooth or bone tissue a composition comprising a polymerized or polymerizable organic phosphoryl monofluoride thereby to attain a strong bond to the tooth or bone tissue.

Abstract: A process for the dope dyeing of linear polyesters, which comprises the use of dyestuffs of the formula ##STR1## wherein X represents chlorine or bromine, Y represents an etherified oxy group, X.sub.1 represents a hydrogen or halogen atom, an alkyl group, an etherified oxy group, a trifluoromethyl, cyano or alkylsulphonyl group, and X.sub.2 represents a hydrogen or halogen atom, and the dyed polyesters obtained according to this process or having incorporated a dyestuff of the above mentioned formula.

Abstract: Storage-stable epoxide moulding compositions containing solid pre-adducts of triglycidyl isocyanurate and amine curing agents, fillers and release agents. After curing, these compositions form tracking-resistant plastics of high heat distortion point.

Abstract: In the production of urea/formaldehyde molding resins, wherein urea and formaldehyde are reacted under alkaline conditions to form a liquid resinous composition, the composition is blended with a filler and the filled composition is dried, there is provided an improvement comprising reducing the level of formaldehyde fumes discharged to the atmosphere during drying by a process which comprises the steps of:A. charging urea and formaldehyde to a reaction vessel in amounts to provide an initial mol ratio of formaldehyde to urea of about 1.0 to about 2.0 mols formaldehyde per mol of urea;B. reacting the urea and formaldehyde in water at a temperature in the range of about 50.degree. to 65.degree. C. and at a pH of about 7.0 to about 9.0;C. continuing the reaction until the mol ratio of formaldehyde to urea in the resin is at least about 75 percent of the initial mol ratio; andD. adding additional urea in an amount of about 0.

Abstract: Sparingly soluble to insoluble salts of dyestuff bases having one or more arylamino groups are useful for the spin-dyeing of acid-modified polymers containing acrylonitrile units.

Abstract: Disclosed are the compounds of the following formula I, their production and use as pigments, particularly their use in pigmenting paper, plastics and as pigments in surface coating media, ##SPC1##In which eitherR.sub.1 and R.sub.1 ', independently, signify a hydrogen or halogen atom or a nitro, cyano, methyl, alkoxy, aminocarbonyl, alkylcarbonylamino, benzoylamino, phenylamino-carbonyl, alkylamino or phenylamino radical,Or R.sub.1 and R.sub.1 ', together, signify a radical of formula a, ##SPC2##In which R.sub.5 signifies a hydrogen atom or a nitro group,R.sub.6 signifies a hydrogen or halogen atom, andR.sub.7 signifies an unsubstituted amino radical or an amino radical substituted by alkyl, phenyl, benzoyl or anthraquinonyl,Or R.sub.1 and R.sub.1 ', together, signify a radical of formula b, ##SPC3##R.sub.2, r.sub.2 ' and R.sub.3, independently, signify a hydrogen or halogen atom,n signifies 1 or 2,R.sub.

Abstract: Polymerizable polyester compositions containing a saturated polyester having three or more terminal carboxylic acid groups and an hydroxyl number of less than about 10 are provided. Such compositions are free from tackiness in the uncured state and which on curing are resistant to shrinkage and have improved surface smoothness. The compositions are useful as sheet molding compounds.

Abstract: High solids coating compositions can be formulated from an ester-containing polyol having a molecular weight of less than about 850 and a viscosity of less than about 60 poises, and an amine-aldehyde crosslinking agent. Such compositions aid in environmental control problems as well as having good adhesion, flexibility, hardness, stain resistance, detergent resistance, solvent resistance and the like.

Abstract: A powdered facing agent for use in forming a shell mold, which is composed of a powdered refractory, such as silica, alumina, zircon, silex, magnesia, etc., a novolak type phenol resin, a resol type phenol resin and/or vinyl acetate resin.

Abstract: Dyestuffs of the formula ##SPC1##Wherein:R.sub.1 denotes cyano, halogen, alkoxy, alkylsulphonyl, arylsulphonyl, optionally mono or disubstituted carbamoyl or optionally mono- or disubstituted sulphamoyl,R.sub.2 denotes hydrogen, cyano carboxyl, halogen, alkoxy, alkyl, alkylsulphonyl or arylsulphonyl,R.sub.3 denotes hydrogen cyano, halogen or alkyl,K denotes the residue of a coupling component of the arylamine series,X denotes O, NH or N--C.sub.1 -C.sub.4 -alkyl andn denotes an integer of from 1 to 4,The XH groups being attached to one or more substituents R.sub.1, R.sub.2, R.sub.3, or to a substituent of the coupling component are added to the reaction mixture or to one of the components are suitable for the dyeing of polyurethane resins by incorporating into the resins by the formation of covalent bonds.

Abstract: Compositions are disclosed for dyeing cross-linked novolac fibers, and blends thereof, using anionic dyes and premetallized dyes.

Abstract: A polyester based adhesive comprising the reaction product of (a) an aromatic dicarboxylic acid and (b) a glycol component comprising (i) a mixture of ethylene glycol and at least one glycol selected from the glycols represented by the following formula (I), or (ii) a mixture of ethylene glycol, triethylene glycol, and at least one glycol selected from the glycols represented by the following formula (I): ##EQU1## wherein R.sub.1 and R.sub.3 each represents a hydrogen atom or a methyl group; R.sub.2 is (CH.sub.2 CH.sub.2 CH.sub.2).sub.x (CH.sub.2).sub.y, --CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --, --CH.sub.2 (C.sub.6 H.sub.10)CH.sub.2 --, ##EQU2## --C.sub.6 H.sub.4 --, --C.sub.10 H.sub.6 --, --C.sub.6 H.sub.4 --O--C.sub.6 H.sub.4 --, (CH.sub.2 CH.sub.2 O).sub.x CH.sub.2 CH.sub.2, --C.sub.6 H.sub.4 --C.sub.6 H.sub.4 --, --CH.sub.2 C.sub.6 H.sub.4 CH.sub.2 --, --C.sub.6 H.sub.4 --SO.sub.2 --C.sub.6 H.sub.4 --, or --C.sub.6 H.sub.4 CH=CH--C.sub.6 H.sub.

Abstract: A composition comprising an intimate bonded mixture of (a) 30-90 parts by weight of a particulate reinforcement filler formed of the pyrolysis or incineration residue of industrial or municipal solid waste products, and (b) 10-70 parts by weight of a resinous thermosetting (e.g., polyester or epoxy) or thermoplastic (e.g., nylon) adhesive polymer. The filler comprises a combination of silica and alumina and for pyrolysis residue, carbon. The individual particles are characterized by non-porous structure and irregular rough shapes, having a heterogeneous distribution and a size less than 50 microns.

Abstract: A polyamide composition comprising a polyamide, an inorganic filler, a compound containing an unsaturated double bond and an epoxy group in one molecule and an unsaturated organic silane. Preferably, said compound having an unsaturated double bond and an epoxy group in one molecule and said unsaturated organic silane are present in the heat-polymerized state in the composition.

Abstract: We have developed molding compositions comprising a mixture of phenolic resin and hydrated cement. A minimum amount of hydration in the cement provides strength and cure enhancement to the phenolic resin. We think the hydrated cement acts as a processing aid to the phenolic resin because of surface activity.

Abstract: Mineral-filled thermosetting molding compositions having both precision-molding or low-shrink characteristics and also high abrasion resistance, plus other desirable properties. "Low profile" molding compositions, known to give smooth surface configurations, have low-shrink properties which also give precision molding characteristics of value in mechanically interfitting molded parts, but have such poor abrasion resistance as to be unusable for desirable applications. Both low-shrink and high abrasion resistance are obtained, with other desired properties, by including a known abrasion-improving polyolefin and by using a long-fiber asbestos as the reinforcing fiber, particularly either chrysotile asbestos or that known as blue asbestos or crocidolite.

Abstract: A method for manufacturing mould members which comprises mixing together a granular material such as sand; a polyurethane forming cold-hardenable bonding agent composition; and a solvent for the bonding agent composition wherein the solvent has an evaporation rate which corresponds to a reference value of 100-800 when the normal butyl acetate has a value of 100 and pure acetone has a reference value of 1,000; shaping the mixture into a predetermined form; and blowing gaseous amine through the mixture to catalyze the formation of the polyurethane bonding agent.

Abstract: Polyblends of a vinyl chloride polymer having good low temperature crack propagation resistance, overall toughness and high resiliency comprising a polyvinyl chloride polymer and a two stage core grafted composite copolymer having a particular butadiene-styrene rubbery substrate. The composite graft copolymer is blended with a matrix of a polyvinyl halide resin and modified with a plasticizer, stabilizer and lubricant system to provide the desired tough rubbery polyblends for molding.