公开(公告)号：US20250026937A1

公开(公告)日：2025-01-23

申请号：US18899387

申请日：2024-09-27

Applicant: AGC INC.

Inventor： Ryohei KOGUCHI ,  Hiroyuki HARA

IPC: C09D5/16 ,  C08G77/442 ,  C09D183/10 ,  D06N3/00 ,  D06N3/04 ,  D06N3/12

Abstract: An ABA triblock polymer including an A block and a B block, in which the A block is a random polymer including a constituent unit derived from a reactive group-containing polymerizable monomer and a constituent unit derived from a hydrophobic group-containing polymerizable monomer, and the B block contains a divalent organopolysiloxane residue in a main chain, as well as applications thereof.

公开(公告)号：US20220153892A1

公开(公告)日：2022-05-19

申请号：US17586868

申请日：2022-01-28

Applicant: AGC Inc.

Inventor： Yukiko SHIOTA ,  Hiroyuki HARA

IPC: C08F218/04 ,  C08F2/22 ,  C08F214/28

Abstract: A water/oil repellent composition which can provide an article with high and durable water repellency is provided. A water/oil repellent composition comprising units based on a fluoroolefin represented by the formula (1): CH2═CH—Rf (wherein Rf is a C1-8 perfluoroalkyl group), units based on a vinyl carboxylate having a C12 or higher alkyl group, and units based on a haloolefin other than the fluoroolefin or a derivative thereof, wherein the ratio of units based on the fluoroolefin is from 15 to 35 mol %, the ratio of units based on the vinyl carboxylate is from 30 to 60 mol %, and the ratio of units based on the haloolefin or derivative thereof is from 5 to 55 mol %, relative to all the units constituting the fluorinated polymer:

公开(公告)号：US20210261705A1

公开(公告)日：2021-08-26

申请号：US17319667

申请日：2021-05-13

Applicant: AGC Inc.

Inventor： Hiroyuki HARA ,  Motohiro TAKEMURA ,  Yujiro TOMIZUKA

IPC: C08F218/08 ,  C08F214/18 ,  C09D127/12 ,  C09D131/04

Abstract: To provide a fluorinated copolymer capable of obtaining an article excellent in water and oil repellency, and friction durability of water and oil repellency. A fluorinated copolymer having units based on the following monomer a and units based on the following monomer b, wherein the proportion of the units based on the monomer a is from 20 to 50 mol % based on the total number of moles of units constituting the fluorinated copolymer, the mass average molecular weight is from 20,000 to 100,000, and the ratio of the half-width W1 of the peak of the fluorinated copolymer to the peak width W2 in a chromatogram obtainable by high performance liquid chromatography measurement is from 0.35 to 0.55: Monomer a: a compound represented by CH2═CH—Rf (Rf: a C1-8 perfluoroalkyl group; Monomer b: a monomer copolymerizable with the monomer a.

公开(公告)号：US20190283080A1

公开(公告)日：2019-09-19

申请号：US16431202

申请日：2019-06-04

Applicant: AGC Inc.

Inventor： Yukiko SHIOTA ,  Hiroyuki HARA ,  Akira ISOBE ,  Reika FUKUDA

IPC: B05D5/08 ,  C09D127/14 ,  C09D133/10

Abstract: To provide a water/oil repellent article which presents little burden on the environment, while being excellent in water/oil repellency, washing durability of the water repellency and friction durability of the water repellency; a method for producing such a water/oil repellent article; and a water/oil repellent composition and a water/oil repellent kit to be used for producing such a water/oil repellent article. A water/oil repellent article that comprises a substrate and, as adhered to the surface of the substrate, a fluorinated polymer having structural units based on monomer (a) having a C1-6 perfluoroalkyl group, and a specific fluorinated ether compound; a method for producing the water/oil repellent article, which comprises letting the fluorinated polymer and fluorinated ether compound be adhered to the substrate; a water/oil repellent composition which comprises the fluorinated polymer and fluorinated ether compound; and a water/oil repellent kit which comprises a first container accommodating a first liquid containing the fluorinated polymer and a second container accommodating a second liquid containing the fluorinated ether compound.

公开(公告)号：US20190016879A1

公开(公告)日：2019-01-17

申请号：US16136328

申请日：2018-09-20

Applicant: AGC Inc.

Inventor： Kazunori SUGIYAMA ,  Hiroaki INOUE ,  Yuuichi OOMORI ,  Hiroyuki HARA

IPC: C08L33/14 ,  C08L101/02 ,  C08L101/08 ,  C08L27/06 ,  C08L27/08 ,  C08L27/16 ,  C08L27/18 ,  C08L71/08 ,  C08K5/19 ,  D06M15/277

Abstract: To provide a water repellent composition whereby a moisture permeable waterproof film is rendered less likely to be peeled from an article treated by the water-repellent composition. The water repellent composition comprises a copolymer (A) having structural units based on a monomer (a) and structural units based on a monomer (b), a polymer (B) having an amino group, an ammonium salt group or an amide group as a pendant group, and an aqueous medium. The monomer (a) is a compound represented by RF-Q-Z—C(O)C(R)═CH2 (wherein RF is a C4-6 perfluoroalkyl group, Q is either a divalent hydrocarbon group containing no fluorine atom or a single bond, Z is —O— or NH—, and R is a hydrogen atom, a methyl group or a chlorine atom).The monomer (b) is a (meth)acrylate having no polyfluoroalkyl group and having a C12-22 alkyl group.

公开(公告)号：US20220153893A1

公开(公告)日：2022-05-19

申请号：US17588677

申请日：2022-01-31

Applicant: AGC Inc.

Inventor： Hiroyuki HARA ,  Yukiko SHIOTA ,  Yuzuka KAMIJO

IPC: C08F218/04 ,  C08F2/22 ,  C08F214/28

Abstract: A water/oil repellent composition which can provide an article with high and durable water repellency is provided. A water/oil repellent composition comprising units based on a fluoroolefin represented by the formula (1): CH2═CH—Rf (wherein Rf is a C1-8 perfluoroalkyl group), units based on a vinyl carboxylate (b1) having a C12 or higher alkyl group and units based on a vinyl carboxylate (b2) having a C1-6 alkyl group, wherein the ratio of units based on the fluoroolefin is from 20 to 35 mol %, the ratio of units based on the vinyl carboxylate (b1) is from 30 to 70 mol %, and the ratio of units based on the vinyl carboxylate (b2) is from 5 to 50 mol %, relative to all the units in the fluorinated polymer.

公开(公告)号：US20210404119A1

公开(公告)日：2021-12-30

申请号：US17474097

申请日：2021-09-14

Applicant: AGC Inc.

Inventor： Yuzuka YOSHIOKA ,  Motohiro TAKEMURA ,  Hiroyuki HARA

IPC: D21H21/16 ,  C08F216/06 ,  C08F218/08 ,  D21H19/12

Abstract: To provide a polymer which can provide a water- and oil-proof paper with excellent water and oil resistance. A polymer comprising the following units a, and at least the following units b among the following units b and the following units c, wherein the ratio of units a to all the units in the polymer is from 28 to 70 mol %, the total ratio of units b and units c to all the units in the polymer is from 30 to 72 mol %, and the ratio of units b to the sum of units b and units c is at least 45 mol %: units a: units represented by —(CH2—CHRf)— (wherein Rf is a C1-s perfluoroalkyl group), units b: units represented by —(CH2—CH(OH))—, units c: units represented by —(CH2—CH(OC(═O)R))— (wherein R is a C1-4 alkyl group).

公开(公告)号：US20190016840A1

公开(公告)日：2019-01-17

申请号：US16133839

申请日：2018-09-18

Applicant: AGC Inc.

Inventor： Junsuke KAWANA ,  Motohiro TAKEMURA ,  Eiji MORIMOTO ,  Hiroyuki HARA

IPC: C08F220/24 ,  C09D7/40 ,  C09D133/16 ,  D21H19/20 ,  D21H17/37 ,  D21H21/16

Abstract: To provide a liquid repellent composition whereby a treated article excellent in liquid repellency is obtainable, which is excellent in stability and does not have such a problem as an odor attributable to ammonia or an organic amine; a method for its production; and a method for producing oil resistant paper. The liquid repellent composition comprises a copolymer (A) having structural units derived from a monomer (a) represented by the formula RF-Q-X—C(O)C(R)═CH2 (RF is a C4-6 perfluoroalkyl group, Q is a divalent hydrocarbon group that does not contain a fluorine atom; X is —O— or NH—, and R is a hydrogen atom, a methyl group or a chlorine atom) and structural units derived from a monomer (b) having an anionic group, alkali metal ions and an aqueous medium; wherein the mass average molecular weight of the copolymer (A) is at most 84,000; at least some of counterions to the anionic groups are alkali metal ions; and the molar ratio of alkali metal ions to anionic groups in the liquid repellent composition is from 0.6 to 1.29.