Daikin Industries, Ltd.

Otsuka Pharmaceutical Factory, Inc.

Daiken Industries, Ltd.

Otsuka Packaging Industries Co., Ltd.

Tetsuya Uehara

Michio Matsuda

Kayo Kusumi

Ikuo Yamamoto

Eiji Masuda

Takashi Enomoto

Masaki Fukumori

Fujio Inoue

Hisako Nakamura

Shinichi Minami

Masahiro Miyahara

Norimasa Uesugi

Hirotoshi Sakashita

Mitsuhiro Usugaya

Kensuke Mohara

Yuuki Yamamoto

Kanako Fukumoto

Kenta Shimada

Daichi Shibazaki

Daisuke Noguchi

Shun Shibata

An oil-resistant agent for paper, which contains a non-fluorine copolymer that has a repeating unit formed from (a) an acrylic monomer having a long-chain hydrocarbon group with 7-40 carbon atoms and a repeating unit formed from (b) an acrylic monomer having a hydrophilic group. The oil-resistant agent for paper also contains a liquid medium that is composed of water and/or an organic solvent, preferably of water or a mixture (aqueous medium) of water and an organic solvent. The non-fluorine copolymer preferably has a repeating unit formed from (c) a monomer having an ion donor group in addition to the repeating units formed from the monomers (a) and (b). Also disclosed is an oil-resistant paper having an oil-resistant layer including the oil-resistant agent for paper, and starch or modified starch, on a surface of the paper as well as a method of treating paper.

Oil-resistant agent for paper

A molded pulp product including: a pulp, a water- and oil-resistant agent, and a water soluble polymer that does not dissolve in an aqueous medium at 40&#xb0; C. or lower, wherein a content of the water soluble polymer is 1 to 50% by mass, based on the pulp.

Pulp molded product and method for manufacturing same

A coating film exhibiting excellent water and oil repellency is provided. The coating film comprises (a) calcium carbonate having an average particle diameter of 600-9,000 nm, (b) poly(vinyl alcohol), and (c) a copolymer including constituent units of a monomer having a C6 or lower perfluoroalkyl group.

Coating film, composition for coating film, film-forming agent, article having coating film, and method for forming coating film

Disclosed is a fluorine-containing composition which contains a fluorine-containing polymer that has repeating units respectively derived from (A) a fluorine-containing monomer that is an alpha-chloroacrylate having a fluoroalkyl group, (B) a monomer that has a linear or branched hydrocarbon group but does not have a fluoroalkyl group, and (C) a monomer that has a cyclic hydrocarbon group but does not have a fluoroalkyl group. This fluorine-containing composition is capable of providing a base such as a fiber product with excellent water repellency, especially strong water repellency.

Fluorine-containing composition and fluorine-containing polymer

A fluorine-containing polymer having (a) a repeating unit derived from a fluorine-containing monomer indicated by the formula CH&#x2550;C(&#x2014;X)&#x2014;C(&#x2550;O)&#x2014;Y&#x2014;Z&#x2014;Rf, (b) a repeating unit derived from a cyclic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH&#x2550;CQ&#x2014;C(&#x2550;O)&#x2014;O-Q, and (c) a repeating unit derived from an aliphatic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH&#x2550;CQ&#x2014;C(&#x2550;O)&#x2014;O-Q. The fluorine-containing polymer is produced by polymerizing in the presence of one or both of (d) a silicon-containing monomer and a silicon-containing chain transfer agent.

Surface treatment agent

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.

Growing community of inventors

Settsu, Japan

Tetsuya Uehara