[특허]Method of sizing paper

Method of sizing paper 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	D21D-003/00
출원번호	US-0683405 (1976-05-05)
발명자 / 주소	Mazzarella Emil D. (Mountainside NJ) Wood Jr. Leonard J. (Berkeley Heights NJ) Maliczyszyn Walter (Piscataway NJ)
출원인 / 주소	National Starch and Chemical Corporation (Bridgewater NJ 02)
인용정보	피인용 횟수 : 68 인용 특허 : 0

초록 ▼

A size mixture comprising a substituted cyclic dicarboxylic acid anhydride and polyoxyalkylene alkyl or alkyl-aryl ether or the corresponding mono- or di-ester is used to size paper products. In accordance with a preferred embodiment the liquid size mixture is added directly to the paper stock syste

대표청구항 ▼

A method for sizing paper products comprising the steps of 1. providing a paper stock system; 2. forming, in the absence of high shearing forces and under normal pressures, a sizing emulsion consisting essentially of: a. from 80 to 97 parts of substituted cyclic dicarboxylic acid anhydride corresponding to the formula (A) [Figure] wherein R represents a dimethylene or trimethylene radical and wherein R′is a hydrophobic group containing more than 5 carbon atoms which may be selecTed from the class consisting of alkyl, alkenyl, aralkyl, or aralkenyl groups; (B) [Figure] wherein Rx is an alkyl radical containing at least 4 carbon atoms and Ry is an alkyl radical containing at least 4 carbon atoms, and Rx and Ry are interchangeable; (C) [Figure] wherein Rx is an alkyl radical containing at least 5 carbon atoms and Ry is an alkyl radical containing at least 5 carbon atoms and Rx and Ry are interchangeable; b. from 3 to 20 parts of a polyoxyalkylene alkyl or polyoxyalkylene alkyl-aryl ether or the corresponding mono- or diester selected from the group consisting of: i) [Figure] ii) [Figure] wherein x and n are integers in the range of 8 to 20; R is an aryl radical; m is an integer in the range of 5 to 20; and i is 0 or 1; and 3. forming a web from the paper stock system; c. water; 4. intimately dispersing said emulsion within the paper stock either before or after formation of said web but prior to passing said web through the drying stage of the paper making operation in an amount sufficient to provide a concentration of the substituted cyclic dicarboxylic acid anhydride of from 0.1 to 2.0%, based on dry fiber weight. The method of claim 1 wherein there is dispersed within the paper stock prior to the conversion of the paper stock into a dry web at least 0.01%, based on dry fiber weight, of a cationic retention agent.

이 특허를 인용한 특허 (68)

Glover Daniel E., ASA sizing emulsions containing low and high molecular weight cationic polymers.
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Jian Jian Zhang ; Shiow-Meei Lai, Alkenyl succinic anhydride compositons and the use thereof.
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Anderson, Dennis W.; Morganroth, Bianca A.; Payne, William A., Anti-microbial paper substrates useful in wallboard tape applications.
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Van Den Abbeele, Henk Jan Frans; Friederichs, Joseph Petronella; Luttikhedde, Hendrik Jan Gerrit, Aqueous polymer dispersion, preparation and use thereof.
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Charles L. Burdick, Aqueous systems comprising an ionic polymer and a viscosity promoter, processes for their preparation, and uses thereof.
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Novak Robert W. (Lisle IL), Emulsification of alkenyl succinic anhydride sizing agents.
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Rodrigue V. Lauzon, Method for preparing aqueous size composition.
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Luu, Phuong Van; Edwards, Steven L.; White, David W., Method of applying fugitive hydrophobic treatment to tissue product.
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Castro, David J.; Lowe, Robert M.; Liu, Mei, Method of increasing paper bulk strength by using a diallylamine acrylamide copolymer in a size press formulation containing starch.
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Benz, Bradley; Richardson, Paul F.; Thomas, James L.; Liu, Mei; Lowe, Robert M., Method of increasing paper strength.
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Castro, David J.; Lowe, Robert M.; Liu, Mei, Method of increasing paper strength using an amine containing polymer composition.
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Bush, Philip; Burkeen, Ricky; Blanpied, Robert H., Non-woven web made with untreated clarifier sludge.
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Kulkarni, Sandeep; Ling, Yuan; Williams, Rick C.; Holbert, Victor P., Paper articles exhibiting long term storageability and method for making same.
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Williams, Richard C; Froass, Peter M; Kulkarni, Sandeep, Paper articles exhibiting water resistance and method for making same.
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Williams, Richard C; Froass, Peter M; Kulkarni, Sandeep, Paper articles exhibiting water resistance and method for making same.
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Williams,Richard; Froass,Peter M.; Kulkarni,Sandeep, Paper articles exhibiting water resistance and method for making same.
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Conner Herbert ; Lin Tingdong ; Tuin Gert,NLX ; van de Steeg Henrica G. M.,NLX, Paper size dispersions.
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Lin Tingdong, Paper sizing composition.
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Dilts, Kimberly C.; Proverb, Robert J.; Dauplaise, David L., Paper sizing compositions and methods.
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Trksak, Ralph; Foong, Non Kam, Paper sizing using an agent containing uniformly bound octenyl succinic anhydride groups made by the reaction of octenyl succinic anhydride onto a dispersed waxy starch.
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Huang, Yan C.; Singh, Kapil M.; Shelmidine, David B.; Becker, Jeff R.; Fosco, Paul J., Paper substrate containing a wetting agent and having improved print mottle.
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Song, Jay C; Yang, Sen; Huang, Yan C; Singh, Kapil M; Koenig, Michael; Shelmidine, David B, Paper substrate having enhanced print density.
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Yoshioka Shigehiko (hyogo JPX) Yamada Hideto (hyogo JPX) Goto Kimihiko (hyogo JPX) Adachi Yoshio (hyogo JPX) Miyahana Kazuo (hyogo JPX), Process for sizing paper and process for making plasterboard base paper sized thereby.
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Varnell Daniel Felix, Process for surface sizing paper and paper prepared thereby.
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Koenig, Michael F.; John, Jacob P.; Arnson, Thomas R.; Liguzinski, Benjamin T., Recording sheet with enhanced print quality at low additive levels.
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Skaggs, Benny J.; Brollier, Brian W., Separated treatment of paper substrate with multivalent metal salts and OBAs.
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Skaggs, Benny J; Bovee, Matt, Surface treatment of substrate or paper/paperboard products using optical brightening agent.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Method of sizing paper 원문보기

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Method of sizing paper 원문보기

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