Soil-release characteristics of textile materials
阅读：50发布：2022-07-09
专利汇可以提供Soil-release characteristics of textile materials专利检索，专利查询，专利分析的服务。并且The soil-release properties imparted to textile materials through treatment with a copolymer containing acidic groups are enhanced by utilizing an ethoxylated alkyl phenol in conjunction with the copolymer. Conventional cross-linking agents and modifying resins may also be used.，下面是Soil-release characteristics of textile materials专利的具体信息内容。
2. The process as defined in claim 1 wherein the ethoxylated alkyl phenol has about 3 to 30 repeating ethoxy groups in the side chain.
3. The process as defined in claim 1 wherein the ethoxylated alkyl phenol is prepared by reacting ethylene oxide and nonyl phenol in a molar ratio of 9.5:1 respectively.
4. The process as defined in claim 1 wherein the textile material is a cellulosic-containing material.
5. The process as defined in claim 1 wherein the acid copolymer is prepared by emulsion polymerizing a monomeric mixture comprising an acrylic ester and an acrylic acid.
6. The process as defined in claim 1 wherein the acid copolymer is prepared by emulsion polymerizing a monomeric mixture comprising about 50 to 80 parts of an acrylic ester and about 20 to 50 parts of an acrylic acid.
7. The process as defined in claim 1 wherein the textile material comprises a blend of cellulosic and polyester fibers, the textile resin is N-methylol acrylamide or dihydroxy dimethylol ethylene urea, the acid copolymer is prepared by emulsion polymerizing a monomeric mixture comprising an acrylic ester and an acrylic acid, and the textile material is heated to a temperature in the range of about 130* to 200* C. for about 1 to 30 minutes to cure the aminoplast resin thereon.
8. A process for imparting soil-release and durable-press characteristics to a polyester/cellulosic textile material which comprises applying thereto an aqueous dispersion comprising (a) about 2 to 30 percent of an aminoplast textile resin, (b) about 2.5 to 40 percent of a synthetic acid copolymer which is stable under the conditions of application, said copolymer being prepared by emulsion polymerizing a monomeric mixture comprising an acrylic ester and an acrylic acid, (c) up to 15 percent of a catalyst selected from the group consisting of zinc nitrate and magnesium chloride and (d) about 1 to 10 percent of an ethoxylated alkyl phenol having at least three repeating ethoxy groups in the side chain and about three to 14 carbon atoms in the alkyl group; and heating said textile material at a temperature in the range of about 130* to 200* C. for about 1 to 30 minutes to cure the aminoplast resin thereon; the proportion of acid copolymer solids on said textile material being from about 0.25 to about 5.0 weight percent based on the dry weight of the textile material.
9. A process for imparting soil-release and durable-press characteristics to a polyethylene terephthalate/cotton (65/35) textile material which comprises: a. applying thereto an aqueous dispersion consisting essentially of about 2 to 30 percent of an aqueous solution comprising N-methylol acrylamide or dihydroxy dimethylol ethylene urea, about 1 to 15 percent of an aqueous solution of a catalyst selected from the group consisting of zinc nitrate and magnesium chloride, about 2.5 to 40 percent Of an aqueous emulsion of a synthetic acid copolymer prepared by polymerizing a monomeric mixture comprising an acrylic ester and at least 20 weight percent of an acrylic acid, about 1 to 10 percent of an ethoxylated alkyl phenol having at least three repeating ethoxy groups in the side chain and about three to 14 carbon atoms in the alkyl group, and water; said aqueous dispersion being applied to the textile material in the range of 30 to 70 weight percent of the textile material; the proportion of acid copolymer solids on said textile material being from about 0.25 to about 5.0 weight percent based on the dry weight of the textile material. b. drying the textile material at a temperature in the range of about 225* F. to 300* F. for a time insufficient to initiate curing of the textile resin; and c. heating the textile material at a temperature in the range of about 130* C. to 200* C. for a time sufficient to cure the textile resin; the proportion of acid copolymer solids on said textile material being from about 0.25 to about 5.0 weight percent based on the dry weight of the textile material.
10. A process for imparting soil-release and durable-press characteristics to a textile material comprising linear polyester and cellulosic fibers, which comprises applying thereto N-methylol acrylamide, an acid textile resin catalyst, about 1 to 10 percent of an ethoxylated alkyl phenol having at least three repeating ethoxy groups in the side chain and about three to 14 carbon atoms in the alkyl group, and a synthetic acid emulsion copolymer which is stable under the conditions of application, subjecting said textile material to high-energy irradiation to effect addition polymerization of the vinyl group of said N-methylol acrylamide with itself and with the cellulose, and heating said textile material to react the methylol group of said N-methylol acrylamide with the hydroxy groups of the cellulose under the influence of said acid catalyst; said acid emulsion copolymer comprising at least 20 weight percent acid calculated as acrylic acid and the proportion of acid copolymer solids on said textile material being from about 0.25 to about 5.0 weight percent based on the dry weight of the textile material.
11. A textile material having soil-release and durable-press characteristics, prepared according to the process of claim 1.
12. A cellulosic-containing textile material having soil-release and durable-press characteristics, prepared according to the process of claim 7.
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