Abstract: A novel metal modified novolak resin is prepared. The metal modified novolak resin is an electron acceptor and is further characterized by its compatability with the surface properties of a paper substrate. The metal modified novolak resin comprises a reaction product of a novolak resin and a metal salt. The novolak resin is a reaction product of a mixture containing a para-substituted phenol selected from the group consisting of paraalkylphenols having alkyl groups of about 1 to about 12 carbon atoms, paraphenylphenol and mixtures thereof, salicylic acid and formaldehyde.The novel metal modified novolak resin is prepared by heating a mixture containing one or more para-substituted phenols, salicylic acid, formaldehyde and an acid catalyst for a period of time sufficient to substantially completely react the phenols, salicylic acid and formaldehyde to form a melted novolak resin. The melted novolak resin is mixed with a zinc salt in a inert atmosphere to form the metal modified novolak resin.

Abstract: A process for the production of a hot melt coating composition containing microcapsules. The process comprises the steps of preparing a dispersion of substantially discrete microcapsules in a volatile solvent continuous phase. A hot melt suspending medium is prepared, the hot melt suspending medium having a melting point of from about 50.degree. C. to about 140.degree. C. and a melting point range of less than about 15.degree. C., the hot melt suspending medium being in a fluid state. The dispersion of substantially discrete microcapsules in a volatile solvent is then mixed with the fluid hot melt suspending medium with turbulent agitation to form an intimate mixture of the dispersion of microcapsules and the hot melt suspending medium. Heat and a vacuum are applied to the mixture, while maintaining the agitation, until the volatile solvent is substantially removed from the mixture to form a dispersion of substantially discrete microcapsules in the liquid hot melt suspending medium.

Abstract: In accordance with certain of its aspects, the novel process of this invention for making pressure-sensitive record sheets comprises the steps of forming a dispersion of microcapsules, the microcapsules being the product of microencapsulating a solution of a color precursor in an oil carrier; the walls of the microcapsules being substantially oil and water impermeable; forming an aqueous mixture containing a color developer for the encapsulated color precursor; adding a color suppressant to the dispersion of microcapsules, to the aqueous mixture or partially to both in an amount or amounts effective to substantially prevent color formation between the color developer and any unencapsulated color precursor; the color suppressant being a nitrogen containing basic organic compound selected from the group consisting of: amines, imines and aziridines; combining the aqueous mixture containing the color developer, the color suppressant and the microcapsules to form an aqueous coating composition; and applying the aq

Abstract: This invention relates to a process for the production of hot melt coating compositions containing microcapsules and inorganic pigment particles comprising the following: An aqueous dispersion of microcapsules is prepared. Inorganic pigment particles are added to the aqueous dispersion of the microcapsules and mixed. The dispersion of the microcapsules and the inorganic pigment particles are sprayed into a heated atmosphere, thereby drying the dispersion and producing a free-flowing powder of the microcapsules. The inorganic pigment particles are substantially deposited on and adhered to the microcapsules. The free-flowing powder of the microcapsules having the inorganic pigment particles deposited thereon are then dispersed in a liquid hot melt suspending medium. The liquid hot melt coating composition so produced can be coated on a substrate. The invention further relates to a coating composition comprising microcapsules, from about 0.

Abstract: A process is provided for producing a radiation curable coating composition containing microcapsules comprising the steps of preparing a dispersion of substantially discrete microcapsules in a continuous phase, the continuous phase comprising a liquid volatile solvent, preparing a liquid radiation curable suspending medium, the liquid radiation curable suspending medium comprising one or more ethylenically unsaturated organic compounds having at least one terminal ethylenic group per molecule, mixing the dispersion of substantially discrete microcapsules in the continuous phase and the liquid radiation curable suspending medium with turbulent agitation to form an intimate mixture of the dispersion of microcapsules and the liquid radiation curable suspending medium, and applying heat and vacuum to the mixture, while maintaining the agitation, until the liquid volatile solvent is substantially removed from the mixture to form a dispersion of substantially discrete microcapsules in the liquid radiation curable s

Abstract: A pressure-sensitive carbonless transfer sheet comprising a paper substrate having a front and back surface and a coating compositon adhered to at least one of the front and back surfaces of the paper substrate. The coating composition is set to a flexible, tack-free coat, and the coating composition includes a solvent free non-aqueous hot melt suspending medium which is characterized by being substantially water insoluble, being characterized by the presence of one or more functional groups selected from the group consisting of: carboxyl, carbonyl, hydroxyl, ester, amide, amine, heterocyclic groups and combinations thereof to impart polarity thereto and having a melting point of from about 60.degree. C. to about 140.degree. C. and a melting point range of less than about 15.degree. C.

Abstract: A pressure-sensitive carbonless transfer sheet comprising a paper substrate having a front and back surface and a coating composition adhered to at least one of the front and back surfaces of the paper substrate. A novel process is provided for producing a pressure-sensitive carbonless transfer sheet which comprises the steps of preparing a hot melt suspending medium, the hot melt suspending medium being water insoluble and having a melting point of from about 60.degree. C. to about 140.degree. C. and a melting point range of less than about 15.degree. C. A microencapsulated chromogenic material is prepared and dispersed in the hot melt suspending medium, the chromogenic material being a color precursor of the electron donating type. A coating dispersion is prepared by combining the hot melt suspending medium with the microencapsulated chromogenic color precursor material, the hot melt suspending medium being compatible with the color forming or developing characteristics of the chromogenic material.

Abstract: A pressure-sensitive carbonless transfer sheet comprising a paper substrate having a front and back surface and a coating composition adhered to at least one of the front and back surfaces of the paper substrate. The coating composition is set to a flexible, tack-free coat, and the coating composition includes a solvent free non-aqueous hot melt suspending medium which is characterized by being substantially water insoluble, being characterized by the presence of one or more functional groups selected from the group consisting of: carboxyl, carbonyl, hydroxyl, ester, amide, amine, heterocyclic groups and combinations thereof to impart polarity thereto and having a melting point of from about 60.degree. C. to about 140.degree. C. and a melting point range of less than about 15.degree. C.

Abstract: A process is provided for producing a pressure-sensitive carbonless transfer sheet comprising preparing a solution of a first chromogenic material, the solution of the first chromogenic material including at least one chromogenic compound dissolved in a carrier oil, and the first chromogenic material being reactive with a second chromogenic material in the presence of the carrier oil to form a color. The solution of the first chromogenic material is mixed with a liquid radiation curable substance to form a coating composition, the liquid radiation curable substance being curable to a frangible resin and compatible with the color-forming capabilities of said first chromogenic material. A film forming material is applied to a substrate, the film forming material being settable to form a barrier layer which substantially prevents penetration of the substrate by the coating composition upon application of the coating composition to the substrate.

Abstract: A pressure-sensitive carbonless transfer sheet comprising a paper substrate having a front and back surface and a coating composition adhered to at least one of the surfaces of the paper substrate. A novel process is provided for producing a pressure-sensitive carbonless transfer sheet which comprises the steps of preparing a hot melt suspending medium, the hot melt suspending medium being water insoluble and having a melting point of from about 60.degree. C. to about 140.degree. C. and a melting point range of less than about 15.degree. C. A microencapsulated chromogenic material is prepared and dispersed in the hot melt suspending medium, the chromogenic material being a color precursor of the electron donating type. A coating dispersion is prepared by combining the hot melt suspending medium with the microencapsulated chromogenic color precursor material, the hot melt suspending medium being compatible with the color forming or developing characteristics of the chromogenic material.

Abstract: A process is provided for producing a pressure-sensitive carbonless transfer or record sheet comprising the steps of preparing a liquid chromogenic coating composition by mixing chromogenic material with a liquid radiation curable substance, the chromogenic material comprising either an acidic color developer of the electron donator type or a color precursor of the electron accepting type. The liquid coating composition is coated onto a web or substrate at a coat weight of from about 0.2 pounds to about 8.0 pounds per 3300 square feet of substrate. The coated web is then exposed to radiation for a time sufficient to cure the liquid coating composition to a tack-free film. A novel liquid chromogenic coating composition is produced, the coating composition comprising a chromogenic material and a radiation curable substance.

Abstract: In accordance with one of its aspects, the pressure-sensitive carbonless copy system of this invention, wherein an acidic color precursor and a basic color developer are present, the color precursor and the color developer being co-reactive to form a color upon contact with one another in the presence of a carrier liquid and the color precursor being present in the system in solution in the carrier liquid, comprises an improvement wherein the color precursor is an organic acetate having the following formula: ##STR1## wherein R is selected from the group consisting of a C.sub.1 to C.sub.4 alkyl, methoxymethyl, methoxyethyl, ethoxymethyl and C.sub.1 to C.sub.4 chloroalkyl and X and Y are separately selected from the group consisting of hydrogen, a halogen, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy and C.sub.1 to C.sub.4 chloroalkyl and the color developer is an alkaline color developer having a pK.sub.b of less than about 4.8.

Abstract: This invention relates to a process for the production of a manifold carbonless form having one or more surfaces coated with capsular chromogenic material. The process comprises providing a plurality of continuous webs, at least one web of the plurality of continuous webs being marked with a pattern and at least one non-aqueous, solvent-free coating of the capsular, chromogenic material being applied to at least a portion of at least one continuous web of the plurality of continuous webs. The non-aqueous, solvent-free coating is then set followed by collating of the plurality of continuous webs. The collated, continuous webs are placed in contiguous relationship to one another to create a manifold form. After the continuous webs are placed in collated, contiguous relationship they can be finished by any combination of the steps of combining, partitioning, stacking, packaging and the like. This invention also relates to the manifold form which is the product of the process of this invention.

Abstract: A process is provided for the production of a coating composition containing microcapsules having a hydrophilic core for use in the manufacture of pressure-sensitive carbonless transfer papers comprising the following steps. A hydrophilic emulsion component is prepared by dispersing at least one chromogenic material being soluble in the hydrophilic liquid. A hydrophobic emulsion component is prepared by dispersing an emulsifier in a radiation curable hydrophobic liquid. A first wall-forming material and a second wall-forming material are added to the hydrophobic emulsion component, with mixing. The first and second wall-forming materials are soluble in the hydrophobic emulsion component, and the first wall-forming material is reactive with the second wall-forming material to form a polymeric capsule wall. The resultant polymeric capsule wall is substantially insoluble in the hydrophilic and the hydrophobic emulsion components.

Abstract: This invention relates to a process for the continuous production of a manifold carbonless form having one or more surfaces coated with capsular chromogenic material. The process comprises providing a plurality of continuous webs and advancing each continuous web of the plurality of continuous webs at substantially the same speed, the plurality of continuous webs being spaced apart and being advanced in a cooperating relationship with one another. At least one web of the plurality of continuous webs is marked with a pattern and at least one non-aqueous, solvent-free coating of the capsular, chromogenic material is applied to at least a portion of at least one continuous web of the plurality of continuous webs. The non-aqueous, solvent-free coating is then set followed by collating of the plurality of continuous webs. The collated, continuous webs are placed in contiguous relationship to one another to create a manifold form.

Abstract: A process is provided for producing a pressure-sensitive carbonless transfer or record sheet comprising the steps of preparing a liquid chromogenic coating composition by mixing chromogenic material with a liquid radiation curable substance, the chromogenic material comprising either an acidic color developer of the electron donator type or a color precursor of the electron accepting type. The liquid coating composition is coated onto a web or substrate at a coat weight of from about 0.2 pounds to about 8.0 pounds per 3300 square feet of substrate. The coated web is then exposed to radiation for a time sufficient to cure the liquid coating composition to a tack-free film. A novel liquid chromogenic coating composition is produced, the coating composition comprising a chromogenic material and a radiation curable substance.

Abstract: Rheologically stable aqueous dispersions of metal-modified novolak resin particles are prepared by grinding an aqueous mixture of the metal-modified novolak resin and anionic polymeric dispersing agent in the presence of a small amount of an organo-phosphorus compound containing two or more phosphonic acid or alkali metal phosphonate groups per molecule. Dispersions of the metal-modified resin particles so produced may be incorporated in color developing coating compositions containing a binder which may be applied and dried on a carrier paper to produce a pressure-sensitive record sheet.

Abstract: A process is provided to produce a novel photographic base by applying an aqueous coating composition containing aluminum oxide particles to at least one surface of a substrate, drying the coated substrate, applying a molten film of a polyolefin over at least one of the coated surfaces of the coated substrate, adhering the polyolefin to the coated surface, and cooling the polyolefin film to a temperature below the melt point of the polyolefin. The photographic base so produced may be further treated by applying a coating of a light sensitive silver halide emulsion to one side of the photographic base paper and drying the emulsion coated paper.

Abstract: Rheologically stable aqueous dispersions of metal-modified novolak resin particles are prepared by grinding an aqueous mixture of the metal-modified novolak resin and anionic polymeric dispersing agent in the presence of a small amount of an organo-phosphorus compound containing two or more phosphonic acid or alkali metal phosphonate groups per molecule. Dispersions of the metal-modified resin particles so produced may be incorporated in color developing coating compositions containing a binder which may be applied and dried on a carrier paper to produce a pressure-sensitive record sheet.

Abstract: Metal-modified para-substituted phenol-aldehyde novolak resins suitable for use in pressure sensitive manifolding systems are produced by melting and mixing together a para-substituted phenol-aldehyde resin and a metal alkanoate salt in the presence of an ammonium compound.