Abstract: Herein are disclosed polyurethane elastomers comprising a charge-control agent of the formula: ##STR1## The elastomers are useful in making shaped articles.

Abstract: Compounds are disclosed having the structure ##STR1## wherein A represents arylene or carboxyl;R represents H or CH.sub.3 ; andR.sub.2 and R.sub.3, each independently, represents alkylene of 2 to 7 carbon atoms.The compounds are useful in making curable polyurethane, polyesters and vinyl polymers.

Abstract: A latex composition having utility in articles such as photographic elements is disclosed. The composition comprises loadable polymer particles having recurring units a, b and c wherein:component a is 10 to 100 weight percent of a tetrahydrofurfuryl monomer having the structure: ##STR1## in which R.sub.1 represents O or NH; andR.sub.2 represents H or lower alkyl of about 1 to 6 carbon atoms;component b is 0 to 20 weight percent of a hydrophilic monomer andcomponent c is 0 to 90 weight percent of a hydrophobic monomer.

Abstract: A latex composition having utility in articles such as photographic elements is disclosed. The composition comprises loadable polymer particles having recurring units a, b and c wherein:component a is 10 to 100 weight percent of a tetrahydrofurfuryl monomer having the structure: ##STR1## in which R.sub.1 represents O or NH; andR.sub.2 represents H or lower alkyl of about 1 to 6 carbon atoms;component b is 0 to 20 weight percent of a hydrophilic monomer andcomponent c is 0 to 90 weight percent of a hydrophobic monomer.

Abstract: Novel polycarbonate latex compositions comprising 0.1 to 30 mole percent of recurring units containing a carboxyl or a tertiary amine acid addition salt component are disclosed.The latex compositions are made by:(a) preparing a polycarbonate comprising from about 0.1 to 30 mole percent of recurring units having a carboxyl or a tertiary amine acid addition component;(b) dissolving the polycarbonate in a water miscible solvent having a boiling point below about 100.degree. C.;(c) blending the solution of (b) with water; and(d) removing the water-miscible solvent.

Abstract: In photoconductive elements having a conductive support, a charge generation layer containing a photoconductive pigment such as a perylene compound and a charge transport layer, an acrylonitrile copolymer interlayer is disposed between the charge generating layer and the support. This interlayer provides the element with improved adhesion and increased photosensitivity.

Abstract: This invention is directed to compositions containing loaded particles of from 0.02 to 0.2 micron in average diameter consisting essentially of a loadable polymer. A hydrophobic insecticide, herbicide, miticide, hormone, vitamin, or enzyme is loaded into and distributed through the particles. The weight ratio of the hydrophobic compound to the loadable polymer is from about 1:40 to 3:1.

Abstract: A latex composition having utility in articles such as photographic elements is disclosed. The composition comprises loadable polymer particles having recurring units a, b and c wherein:component a is 10 to 100 weight percent of a tetrahydrofurfuryl monomer having the structure: ##STR1## in which R.sub.1 represents O or NH; andR.sub.2 represents H or lower alkyl of about 1 to 6 carbon atoms;component b is 0 to 20 weight percent of a hydrophilic monomer andcomponent c is 0 to 90 weight percent of a hydrophobic monomer.

Abstract: Polyester latex compositions comprising an aqueous continuous phase having dispersed therein loadable hydrophobic polyester particles are disclosed. In the latex(a) substantially all of the polyester particles are less than about 0.2 micron in diameter;(b) the polyester contains from about 0.5 to 5.0 mole percent dicarboxylic acid derived repeating units having a component selected from the group of salts consisting of alkali metal or ammonium iminodisulfonyl and alkali metal or ammonium sulfonate.The latex contains from 0 to 3% surfactant based on the total weight of the polyester.The polyester is optionally loaded with a hydrophobe. Coated layers of the composition are water resistant.

Abstract: An improved process is disclosed for uniformly dispersing hydrophobic materials through a hydrophilic colloid layer such as, for example, a photographically useful layer containing gelatin. The process over which the present invention is a valuable improvement comprises the steps:(a) forming an aqueous dispersion by intermixing the hydrophobic material and an aqueous polymeric latex, optionally including gelatin in the dispersion;(b) forming a wet layer by coating onto a suitable support the aqueous dispersion from step (a); and(c) thereafter removing a substantial proportion of the water from the wet layer through which the hydrophobic material is dispersed.The present process relates particularly to improvements in step (a), wherein the "aqueous dispersion" is formed by blending a loadable polymeric latex into a solution of the hydrophobic material dissolved in a water-miscible solvent using techniques which avoid coagulation of the hydrophobic material or the particles of the latex.

Abstract: This invention is directed to photographic elements having hydrophilic colloid layers containing loaded particles of from 0.02 to 0.2 micron in average diameter consisting essentially of a loadable polymer, with greater than 2 percent by weight of the polymer being derived from monomers capable of forming water soluble homopolymers. A hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound is loaded into and distributed through the particles. The weight ratio of the hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound to the loadable polymer is from about 1:4 to 3:1.

Abstract: This invention is directed to photographic elements having hydrophilic colloid layers containing loaded particles of from 0.02 to 0.2 micron in average diameter consisting essentially of a loadable polymer, with greater than 2 percent by weight of the polymer being derived from monomers capable of forming water soluble homopolymers. A hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound is loaded into and distributed through the particles. The weight ratio of the hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound to the loadable polymer is from about 1:4 to 3:1.

Abstract: This invention is directed to photographic elements having hydrophilic colloid layers containing loaded particles of from 0.02 to 0.2 micron in average diameter consisting essentially of a loadable polymer, with greater than 2 percent by weight of the polymer being derived from monomers capable of forming water soluble homopolymers. A hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound is loaded into and distributed through the particles. The weight ratio of the hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound to the loadable polymer is from about 1:4 to 3:1.

Abstract: An improved process is disclosed for uniformly dispersing hydrophobic materials through a hydrophilic colloid layer such as, for example, a photographically useful layer containing gelatin. The process over which the present invention is a valuable improvement comprises the steps:(a) forming an aqueous dispersion by intermixing the hydrophobic material and an aqueous polymeric latex, optionally including gelatin in the dispersion;(b) forming a wet layer by coating onto a suitable support the aqueous dispersion from step (a); and(c) thereafter removing a substantial proportion of the water from the wet layer through which the hydrophobic material is dispersed.The present process relates particularly to improvements in step (a), wherein the "aqueous dispersion" is formed by blending a loadable polymeric latex into a solution of the hydrophobic material dissolved in a water-miscible solvent using techniques which avoid coagulation of the hydrophobic material or the particles of the latex.

Abstract: A photographic element is disclosed having coated on a support a hydrophilic colloid layer containing an activator precursor and loaded polymer particles of from 0.02 to 0.2 micron in average diameter. The polymer particles consist essentially of a hydrophobic polymer of which at least 2 percent by weight is comprised of ionizable repeating units, at least half being cationically ionizable, and a hydrophobic developing agent present in a weight ratio to the polymer of from about 1:4 to 3:1. Silver halide is present in the hydrophilic colloid layer or in an adjacent layer, and the activator precursor is present in a concentration of from 1 to 4 equivalent for each mole of silver halide. The photographic element is capable of being thermally processed.

Abstract: Scintillation counting compositions are described, comprising polymeric particles derived from a latex and loaded with at least one uniformly dispersed hydrophobic fluor so as to permit detection of low-energy radiation.Scintillation counting elements comprising a substrate coated with a dried layer of the above-described scintillation counting compositions are also described.

Abstract: Disclosed herein is an image-transfer film unit comprising:(1) a photosensitive element comprising a support, having thereon at least one silver halide emulsion layer;(2) an image-receiving layer:(3) interposed between any silver halide emulsion layer and said image-receiving layer, at least one pH selectively permeable layer comprising:(a) from about 1 to 100 mole percent of a polymerized monomer containing at least one active methylene group and having the formula: ##STR1## wherein n is 0 or 1; R is hydrogen or methyl; R.sup.1 is substituted or unsubstituted arylenethylene having the structure: ##STR2## wherein Ar is arylene and R.sup.2 is hydrogen, alkyl, aryl or cycloalkyl, or R.sup.1 has the formula: ##STR3## wherein R.sup.3 is alkylene, arylene or cycloalkylene; and R.sup.4 is alkyl, alkoxy or amino when n is equal to 0, and R.sup.