Invention Grant
- Patent Title: Oil-resistant agent for paper
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Application No.: US17169842Application Date: 2021-02-08
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Publication No.: US11851822B2Publication Date: 2023-12-26
- Inventor: Yuuki Yamamoto , Michio Matsuda , Tetsuya Uehara , Hirotoshi Sakashita
- Applicant: DAIKIN INDUSTRIES, LTD.
- Applicant Address: JP Osaka
- Assignee: DAIKIN INDUSTRIES, LTD.
- Current Assignee: DAIKIN INDUSTRIES, LTD.
- Current Assignee Address: JP Osaka
- Agency: Sughrue Mion, PLLC
- Priority: JP 18172670 2018.09.14 JP 19039667 2019.03.05
- Main IPC: D21H21/18
- IPC: D21H21/18 ; C09D7/65 ; C08F220/18 ; C08F220/36 ; C09D5/00 ; C09D103/02 ; D21H17/28 ; D21H17/37 ; D21H19/12 ; D21H27/10

Abstract:
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.
Public/Granted literature
- US20210164165A1 OIL-RESISTANT AGENT FOR PAPER Public/Granted day:2021-06-03
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