Daikin Industries, Ltd.

Kayo Kusumi

Ikuo Yamamoto

Fumihiko Yamaguchi

Michio Matsuda

Tetsuya Uehara

Takashi Enomoto

Mitsuhiro Usugaya

Teruyuki Fukuda

Eiji Masuda

Norimasa Uesugi

Norihito Otsuki

Kensuke Mohara

Ryosuke Hara

Kazuaki Obata

Takuya Yoshioka

Mikayo Yamanaka

Eli Mukai

Koji Kigawa

Takahito Kanbara

Disclosed is a treatment agent for paper comprising a fluorine-containing copolymer having a repeat unit (a) derived from a fluorine-containing monomer represented by general formula (I): CH&#x2550;C(&#x2014;X)&#x2014;C(&#x2550;O)&#x2014;Y&#x2014;[&#x2014;CH)&#x2014;Z&#x2014;]&#x2014;(CH)&#x2014;Rf; a repeat unit (b) derived from at least one amino monomer represented by general formula (II-1): or a derivative thereof; and a repeat unit (c) derived from a pyrrolidone monomer represented by general formula (III): The treatment agent for paper provides paper having high oil resistance and high water resistance.

Copolymer, treatment agent for paper, and treated paper

A water-resistant/oil-resistant agent for paper containing (I) a fluorine-containing copolymer including repeating units derived from: (a) a fluorine-containing monomer that has a fluoroalkyl group and that is represented by general formula (1): CH&#x2550;C(&#x2014;X)&#x2014;C(&#x2550;O)&#x2014;Y&#x2014;Z&#x2014;Rf (where X is a hydrogen atom, a linear or branched alkyl group having 1-21 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, or the like; Y is &#x2014;O&#x2014; or &#x2014;NH&#x2014;; Z is an aliphatic group having 1-10 carbon atoms, an aromatic group having 6-10 carbon atoms, a cycloaliphatic group, or the like; and Rf is a linear or branched fluoroalkyl group having 1-6 carbon atoms), and (b) a (meth)acrylate monomer containing no fluorine atoms; and (II) a polypropylene glycol compound. Also disclosed is a method for treating paper, a treated paper and a composition for treating paper containing the water-resistant/oil resistant agent.

Water-resistant/oil-resistant agent for paper

Disclosed is a water and oil resistant agent comprising a fluorine-containing copolymer obtained by copolymerizing a (meth)acrylate monomer having a polyfluoroalkyl group having 1-6 carbon atoms, hydrophilic monomer, and monomer having an anion-donating group, which agent affords a superior water and oil resistance to a paper. The invention also discloses a process for treating a paper by the water and oil resistant agent and a treated paper thereby.

Water and oil resistant agent for paper, treatment process and paper

Disclosed is a water and oil resistant agent comprising a fluorine-containing copolymer obtained by copolymerizing a (meth)acrylate monomer having a polyfluoroalkyl group having 1 to 6 carbon atoms, the agent being able to afford a superior water and oil resistance to a paper. The invention also discloses a composition comprising the water and oil resistant agent, a process for treating a paper thereby and a treated paper thereby.

Water and oil resistant agent for paper and paper treatment process

Disclosed is a fluorine-containing copolymer having sufficient stability in water, which is capable of providing paper with sufficient oil resistance. The fluorine-containing polymer contains, as essential components, (a) a fluorine-containing monomer represented by general formula (I) CH&#x2550;C(&#x2014;X)&#x2014;C(&#x2550;O)&#x2014;Y&#x2014;[&#x2014;(CH)&#x2014;Z&#x2014;]&#x2014;(CH2)&#x2014;Rf (wherein X represents a hydrogen atom; Y represents &#x2014;O&#x2014; or &#x2014;NH&#x2014;; Z represents a direct bond, &#x2014;S&#x2014; or &#x2014;SO&#x2014;; Rf represents a fluoroalkyl group having 1-6 carbon atoms; m is a number of 1-10; n is a number of 0-10; and p is 0 or 1) and (b) an alkoxy group-containing monomer represented by general formula (II) CH&#x2550;C(X')&#x2014;C(&#x2550;O)&#x2014;O&#x2014;(RO)&#x2014;H (wherein X&#x2032; represents a hydrogen atom or a methyl group; R represents an alkylene group having 2-4 carbon atoms wherein a part or all of hydrogen atoms may be substituted by a hydroxyl group; and q represent an integer of 1-50). The fluorine-containing polymer does not contain a monomer having an amino group.

Fluorine-containing copolymer, paper processing agent, and coating film-forming agent for cosmetic preparation

A textile having excellent water- and oil-repellency can be obtained by a method of preparing a treated textile, having steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent, (2) adjusting pH of the treatment liquid to at most 7, preferably at most 3, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent is at least one fluorine-containing compound selected from the group consisting of a fluorine-containing polymer and a fluorine-containing low molecular weight compound, and the water- and oil-repellent agent or the treatment liquid contains an organic salt.

Water-and-oil repellent treatment of textile

Excellent water repellency and Oil repellency are imparted to a textile by a method including

Water- and oil-repellent treatment of textile

Excellent water- and oil-repellency and soil releasability can be obtained by a method of preparing a treated textile, having steps of:

A fluorine-containing urethane compound of the general formula:[Rf-A-(X(OH))&#x2014;(Y)&#x2014;OC(&#x2550;O)NH&#x2014;]I[&#x2014;NHC(&#x2550;O)O&#x2014;Y][&#x2014;NHC(&#x2550;O)O&#x2014;((ClCH&#x2014;)XO)&#x2014;R]&#x2003;&#x2003;(1)wherein I is a group remaining after an isocyanate group is removed from a polyisocyanate compound, Rf is a perfluoroalkyl group having 2 to 21 carbon atoms, Ais a direct bond or a divalent organic group having 1 to 21 carbon atoms, Xand Xare trivalent linear or branched aliphatic group having 2 to 5 carbon atoms, Yis a divalent organic group having 0 to 5 carbon atoms and 0 to 2 nitrogen atoms (provided that at least one carbon atom or nitrogen atom is present) and at least one hydrogen atom, Yis a monovalent organic group optionally having a hydroxyl group, and Ris a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, can impart high water- and oil-repellency.

Fluorinated urethane compounds and compositions containing the same

Excellent stain block property, WAQE resistance and yellowing resistance are imparted to a textile by a method of preparing a treated textile has the steps of (1) preparing a treatment liquid comprising a stain blocking agent and a sulfated castor oil and having pH of at most 7, (2) applying the treatment liquid to the textile, (3) treating the textile with steam, and (4) washing the textile with water and dehydrating the textile.

Stain block treatment of textile

A method of preparing a treated textile, having steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, wherein the water- and oil-repellent agent contains (A) a fluorine-containing compound which is a fluorine-containing polymer, and (B) a urethane compound and/or (C) a silicon-containing compound, can give a textile which is excellent in water repellency, oil repellency and soil releasability, when the textile is treated with the treatment liquid by an Exhaust process.

Water-and oil-repellent treatment of textile

Excellent water repellency, Oil repellency, stain block property and yellowing-resistance are imparted to a textile by a method of preparing a treated textile has the steps of (1) preparing a treatment liquid containing a water- and oil-repellent agent and a stain blocking agent, (2) bringing a pH of the treatment liquid to at most 7, (3) applying the treatment liquid to the textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile. The treatment liquid contains a sulfated fatty acid compound.

A method for targeting, enriching, detecting and isolating a double-stranded nucleic acid target sequence by adding heterologous probes to the reaction system along with the reduced amount of homologous probes in the process of homologous pairing and/or strand exchange between the homologous probe and the target sequence in the presence of a RecA-like recombinase.

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Settsu, Japan

Kayo Kusumi