公开(公告)号：US20240010802A1

公开(公告)日：2024-01-11

申请号：US18156405

申请日：2023-01-19

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Hajime SUGAHARA ,  Hidekazu Hirose ,  Kosaku Yoshimura ,  Shigeru Seitoku ,  Kosuke Nakada ,  Satoshi Yoshida

IPC: C08J5/18 ,  C08L79/08 ,  C08J9/00 ,  C08J9/28

CPC classification number: C08J5/18 ,  C08L79/08 ,  C08J9/0061 ,  C08J9/286 ,  C08L2203/16 ,  C08J2379/08 ,  C08J2425/06 ,  C08J2205/042 ,  C08J2205/044

Abstract: A porous polyimide film has a ratio of a cross-sectional average micro pore diameter (μm) to a first surface micro pore diameter (μm) on one surface (the cross-sectional average micro pore diameter/the first surface micro pore diameter) of equal to or more than 5 and equal to or less than 10.

公开(公告)号：US20230192955A1

公开(公告)日：2023-06-22

申请号：US17827780

申请日：2022-05-29

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kosuke NAKADA ,  Hidekazu HIROSE ,  Kosaku YOSHIMURA ,  Shigeru SEITOKU ,  Hajime SUGAHARA ,  Satoshi YOSHIDA

IPC: C08G73/10 ,  H01B3/30 ,  C08J5/18

CPC classification number: C08G73/1007 ,  H01B3/306 ,  C08J5/18 ,  C08J2379/08

Abstract: A polyimide precursor solution includes a polyimide precursor that is a polymer of an aromatic tetracarboxylic dianhydride and an aromatic diamine compound, resin particles, an aqueous solvent containing water, and an amine compound having a boiling point of equal to or higher than 250° C. and equal to or lower than 300° C., in which a ratio of a volume of the resin particles to a volume of the amine compound (volume of resin particles/volume of amine compound) is equal to or more than 0.22 and equal to or less than 0.61.

公开(公告)号：US20220306806A1

公开(公告)日：2022-09-29

申请号：US17392608

申请日：2021-08-03

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Tomoyo OKUBO ,  Takeshi IWANAGA ,  Hidekazu HIROSE ,  Kosuke NAKADA ,  Hajime SUGAHARA ,  Shigeru SEITOKU

IPC: C08G73/10 ,  C08J5/18 ,  C08J9/26

Abstract: A polyimide precursor film contains a polyimide precursor, in which a total content of a solvent containing water and a solvent other than water in the polyimide precursor film is 5 mass % or more and 40 mass % or less, and a mass ratio of water to the solvent other than water in the polyimide precursor film is 0 or more and 2.5 or less.

公开(公告)号：US20220119596A1

公开(公告)日：2022-04-21

申请号：US17380016

申请日：2021-07-20

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Tomoya SASAKI ,  Hidekazu HIROSE ,  Kosaku YOSHIMURA ,  Yasunobu KASHIMA ,  Hajime SUGAHARA ,  Kosuke NAKADA ,  Tomoyo OKUBO

IPC: C08G73/10 ,  C08J5/18 ,  C08J9/26

Abstract: A particle-dispersed polyimide precursor solution contains a polyimide precursor having a unit represented by the following formula (I), particles, and a solvent, in which the particle-dispersed polyimide precursor solution satisfies both the following conditions (1) and (2), (in the formula (I), A represents a tetravalent organic group, and B represents a divalent organic group represented by any of the following formulas (B1) to (B4)), (in the formulas (B1) to (B4), Ar1, Ar10, and Ar11 each independently represent a trivalent aromatic group which may have a substituent, Ar2, Ar4, Ar5, Ar7 and Ar8 each independently represent a divalent aromatic group which may have a substituent, Ar3 and Ar6 each independently represent a tetravalent aromatic group which may have a substituent or a group represented by the following formula (II), Ar9 represents a divalent aromatic group which may have a substituent or a group represented by the following formula (III), X1 to X7 each independently represent NRa, O, or S, Ra represents a hydrogen atom, an alkyl group which may have a substituent, or an aryl group, and * represents a bonding site with an adjacent linking group), and (in the formulas (II) and (III), Ar12 and Ar13 each independently represent a trivalent aromatic group which may have a substituent, Ar14 and Ar15 each independently represent a divalent aromatic group which may have a substituent, Y and Z each independently represent O, S, S(═O)2, or CRbRc, Rb and Rc each independently represent a hydrogen atom, an alkyl group which may have a substituent, or an aryl group, and * represents a bonding site with an adjacent linking group), Condition (1): a total content of the groups represented by the formulas (B1) to (B4) is 1% by mass or more and 40% by mass or less with respect to a total amount of the polyimide precursor, and
Condition (2): a content of the particles is 5% by mass or more and 90% by mass or less with respect to a total content of the polyimide precursor and the particles.

公开(公告)号：US20210294228A1

公开(公告)日：2021-09-23

申请号：US16984161

申请日：2020-08-04

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Yoichiro EMURA ,  Satoshi KAMIWAKI ,  Yoshifumi IIDA ,  Sumiaki YAMASAKI ,  Takashi HASEGAWA ,  Hiroshi SAEGUSA ,  Hajime SUGAHARA ,  Sachiko NISHIOKA

IPC: G03G9/087 ,  C08F212/08 ,  G03G15/08

Abstract: A method for producing a printed material includes providing pressure-induced phase transition particles on a recording medium having an arithmetic average roughness Ra of 0.07 μm or more and 3.80 μm or less to form a pressure-induced phase transition particle layer having a coverage C within a range of 30% to 90%; bonding the pressure-induced phase transition particles onto the recording medium; and folding the recording medium having the pressure-induced phase transition particles bonded thereon and pressure-bonding the folded recording medium, or pressure-bonding the recording medium having the pressure-induced phase transition particles bonded thereon and another recording medium placed on top of each other. The pressure-induced phase transition particles contain a styrene resin containing styrene and a vinyl monomer other than styrene as polymerization components, and a (meth)acrylic acid ester resin that contains at least two(meth)acrylic acid esters as polymerization components, and a mass ratio of the (meth)acrylic acid esters relative to a total of polymerization components of the (meth)acrylic acid ester resin is 90 mass % or more. The pressure-induced phase transition particles have at least two glass transition temperatures, and the difference between the lowest glass transition temperature and the highest glass transition temperature among the glass transition temperatures exhibited by the pressure-induced phase transition particles is 30° C. or more.