KR840005474A - Impregnation composition containing polyurethane polymer - Google Patents

Abstract

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Description

Impregnation Compositions Containing Polyurethane Polymers

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Claims (26)

A stable aqueous polymerizable composition characterized by containing an anionic polyurethane dispersion and an amphoteric polymerizable dispersion or emulsion, wherein the polymer is insoluble in water. The porous substrate is impregnated with an aqueous anionic dispersion and an amphoteric polymerizable dispersion or emulsion, wherein the polymer is insoluble in water, and the polyurethane and amphoteric polymerization component or emulsion is ionically solidified to impregnate A method for producing a composite plate material, characterized in that the formation of and then drying the impregnated material. The method of claim 2, wherein the porous matrix is a fibrous web. The method of claim 3, wherein the fibrous web is a quilted fibrous bat. 3. The method of claim 2, wherein the polymer other than the polyupetane polymer is present at levels up to 65 weight percent (solid) based on the weight of the anionic polyurethane dispersion solids and the neoprene solids. The method according to claim 2, wherein the polycrystalline plate material is sufficiently impregnated when it solidifies. The method of claim 4, wherein the decay density of the quilted fibrous bat is less than 0.5 g / cm ³ . The method of claim 7, wherein the bulk density of the quilted fibrous bat is less than 0.25 g / cm ³ . The method of claim 7, wherein the bulk density of the quilted fibrous bat is between about 0.12 and 0.4 g / cm ³ . The method of claim 4, wherein the quilted fibrous bat has a thickness of at least 30 mils. The method of claim 4, wherein the quilted fibrous bat consists essentially of non-fusible fibers. The process of claim 2 wherein the mixed solid of the aqueous anionic polyurethane dispersion and the amphoteric polymeric dispersion or emulsion is about 5 to 60 weight percent. The method of claim 2 wherein the polyurethane is crosslinked. The method of claim 3, wherein the polyurethane polymer and the other polymer are present in the web at a level of at least 70 weight percent based on the weight of the fibrous bat. The method of claim 14, wherein the polyurethane polymer and other polymers are present at levels of less than about 400 weight percent based on fiber weight. The method of claim 15, wherein the polyurethane polymer and the polymer are present at a level of about 200 to 300 weight percent based on the weight of the fibrous bat. The method of claim 3 wherein the impregnated fibrous web has a density of about 0.75 g / cc. The method of claim 17, wherein the impregnated fibrous web has a density of about 0.4 to about 0.75 g / cc. An impregnated porous plate material, characterized in that it consists of a porous substrate impregnated with a homogeneous mixture of solidified polyurethane anionic dispersions and solidified polymeric dispersions or emulsions. 20. The plate material according to claim 19, wherein the polymer other than the polyurethane polymer is registered at a level of 65% by weight or less based on the weight of polyurethane and neoprene. The impregnated porous plate material of claim 19, wherein the porous substrate is a quilted fibrous bat. The homogeneous mixture of solidified polyurethane anionic dispersion and amphoteric polymeric dispersion or emulsion is dispersed throughout the batt having a density of the impregnated uniform porous plate material and the bulk density of the plate material. Impregnated porous plate material having a porosity such that the plated material has a porosity, and the impregnated web has a concentrate of the filament and the polymerizable resin coated and uncoated with the polymerizable resin. 23. The impregnated porous plate material of claim 22, wherein the polyurethane and other polymers are aerated at a level of at least 70% by weight based on the weight of the fibrous bat. The impregnated porous plate material of claim 23, wherein the polyurethane and other polymers are present at a level of less than 400 weight percent based on the weight of the fibrous bat. In an imitation leather plate material containing a polymer-impregnated fibrous mass in which one side is a silver layer (where the silver layer is the same in its actual density and its bulk density) and the other side is a polymer-coated anionic polyurethane dispersion And a solidified polymerizable dispersion which is amphoteric with the polyurethane dispersion. 27. The imitation leather plate material according to claim 25, wherein the other polymer is present at a level of 65% by weight or less based on the mixed weight of the polyurethane and the neoprene. ※ Note: The disclosure is based on the initial application.