公开(公告)号：US20200231832A1

公开(公告)日：2020-07-23

申请号：US16745546

申请日：2020-01-17

Applicant: Takayuki SHIMIZU ,  Satoshi KOJIMA ,  Hiroki KOBAYASHI ,  Shin HASEGAWA ,  Yuuki MATSUSHITA ,  Yukiko ISHIJIMA

Inventor： Takayuki SHIMIZU ,  Satoshi KOJIMA ,  Hiroki KOBAYASHI ,  Shin HASEGAWA ,  Yuuki MATSUSHITA ,  Yukiko ISHIJIMA

IPC: C09D11/38 ,  B41M7/00 ,  B41J2/21 ,  C08K5/5397 ,  C08L33/10

Abstract: A curable composition contains a polymerizable compound and a polymerization initiator containing pheylbis(2,4,6-trimethyl benzoyl)phosphine oxide and diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide in a mass ratio of pheylbis(2,4,6-trimethyl benzoyl)phosphine oxide:diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide from 1:6 to 1:160, wherein supernatant obtained after the curable composition is centrifuged for 30 minutes at 70,000 rotation per minute has an absorbance of 0.02 or less at a wavelength of 700 nm.

公开(公告)号：US20220161489A1

公开(公告)日：2022-05-26

申请号：US17454064

申请日：2021-11-09

Applicant: Yuuki MATSUSHITA

Inventor： Yuuki MATSUSHITA

IPC: B29C64/209 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10

Abstract: A printing device includes an ink, an ink heating unit, and an ink discharging unit. The ink includes water, a metal pigment, and a resin. A mass ratio of the resin to the metal pigment is 0.1 or greater but 2 or less. A proportion of the water in the ink is 1% by mass or greater but 30% by mass or less. The ink heating unit is configured to heat the ink. The ink discharging unit is configured to discharge the ink heated.

公开(公告)号：US10577514B2

公开(公告)日：2020-03-03

申请号：US15923659

申请日：2018-03-16

Applicant: Yuuki Matsushita

Inventor： Yuuki Matsushita

IPC: C09D11/107 ,  C09D11/38 ,  C08L35/02 ,  C09D11/104 ,  C09D11/101 ,  C09D11/108 ,  C09D133/06 ,  C09D11/106

Abstract: A curable composition includes a polymerizable compound containing diethylene glycol dimethacrylate and a mono-functional (meth)acrylate having an OH group and a resin, wherein the resin satisfies the following (1) and (2), (1). a viscosity at 25 degrees C. of a liquid mixture of 70 parts of the diethylene glycol dimethacrylate and 30 parts of the resin is 15 to 27 times greater than that of the diethylene glycol dimethacrylate alone, and (2). the liquid mixture has a spin-spin relaxation time of 240 ms or less as measured by Carr-Purcell-Meiboom-Gill (CPMG) of pulse Nuclear Magnetic Resonance (NMR) analysis.

公开(公告)号：US11028280B2

公开(公告)日：2021-06-08

申请号：US16355756

申请日：2019-03-17

Applicant: Yuuki Matsushita

Inventor： Yuuki Matsushita

IPC: C09D11/30 ,  C09D11/101 ,  B41M5/00 ,  B41M7/00 ,  B41J11/00 ,  C09D11/107 ,  B33Y70/00 ,  B29C64/112

Abstract: A composition is provided including an acrylamide compound having an ester structure and a molecular weight of 150 to 200, and a polysilane as a polymerization initiator.

公开(公告)号：US20200231725A1

公开(公告)日：2020-07-23

申请号：US16744373

申请日：2020-01-16

Applicant: Yuuki MATSUSHITA ,  Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Hiroki KOBAYASHI ,  Yukiko ISHIJIMA

Inventor： Yuuki MATSUSHITA ,  Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Hiroki KOBAYASHI ,  Yukiko ISHIJIMA

IPC: C08F220/18 ,  C09D11/38 ,  C09D11/322 ,  C08K5/5397

Abstract: An active energy ray-curable composition is provided. The active energy ray-curable composition comprises a polymerizable compound and a polymerization initiator. The polymerizable compound comprises isobornyl acrylate. The active energy ray-curable composition gives, when centrifuged with a centrifugal force of 8×106 g, a supernatant with an absorbance at a wavelength of 700 nm of 0.02 or lower.

公开(公告)号：US20220169877A1

公开(公告)日：2022-06-02

申请号：US17455952

申请日：2021-11-22

Applicant: Yuuki MATSUSHITA

Inventor： Yuuki MATSUSHITA

IPC: C09D11/328 ,  C09D11/38 ,  C09D11/037 ,  C09D11/033 ,  B41J2/14

Abstract: An ink is provided that comprises wafer and a dye having a triazine skeleton. The ink satisfies Expression (1): y≤−403x+3400   Expression (1) where, in Expression (1), x is pH where x is in a range of from 4 through 8.5 (4≤x≤8.5) and y is electric conductivity (mS/cm).

公开(公告)号：US20200231833A1

公开(公告)日：2020-07-23

申请号：US16748850

申请日：2020-01-22

Applicant: Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Hiroki KOBAYASHI ,  Yuuki MATSUSHITA ,  Yukiko ISHIJIMA

Inventor： Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Hiroki KOBAYASHI ,  Yuuki MATSUSHITA ,  Yukiko ISHIJIMA

IPC: C09D11/38 ,  C09D11/101 ,  B41J11/00 ,  B41M5/00

Abstract: A curable composition contains a polymerizable compound, a polymerization initiator, and a fluorescent whitener comprising a benzoxazole derivative, wherein the proportion of the fluorescent whitener is from 0.10 to 0.3 percent by mass and the proportion of the polymerization initiator is from 5 to 15 percent by mass.

公开(公告)号：US20200231830A1

公开(公告)日：2020-07-23

申请号：US16745432

申请日：2020-01-17

Applicant: Hiroki KOBAYASHI ,  Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Yukiko ISHIJIMA ,  Yuuki MATSUSHITA

Inventor： Hiroki KOBAYASHI ,  Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Yukiko ISHIJIMA ,  Yuuki MATSUSHITA

IPC: C09D11/101 ,  C08L83/04 ,  C08L33/06 ,  C08L75/04 ,  C09D11/40 ,  C08K5/5397 ,  C08F220/18 ,  B41M7/00

Abstract: A curable clear ink composition is provided. The curable clear ink composition comprises a surfactant, a monofunctional polymerizable compound having a static surface tension of 33 mN/m or less at 25 degrees C. in an amount of 10% by mass or more but 30% by mass or less, an oligomer having a weight average molecular weight (Mw) of 1,000 or more, and an acylphosphine oxide polymerization initiator in an amount of 8% by mass or more but 12% by mass or less.

公开(公告)号：US20190284409A1

公开(公告)日：2019-09-19

申请号：US16355756

申请日：2019-03-17

Applicant: Yuuki MATSUSHITA

Inventor： Yuuki MATSUSHITA

IPC: C09D11/30 ,  C09D11/101 ,  C09D11/107 ,  B41M7/00 ,  B41J11/00 ,  B41M5/00

Abstract: A composition is provided comprising an acrylamide compound having an ester structure and a molecular weight of 150 to 200, and a polysilane as a polymerization initiator.

公开(公告)号：US20180273781A1

公开(公告)日：2018-09-27

申请号：US15923659

申请日：2018-03-16

Applicant: Yuuki MATSUSHITA

Inventor： Yuuki MATSUSHITA

IPC: C09D11/107 ,  C09D11/38 ,  C09D11/108 ,  C09D11/104 ,  C09D11/101 ,  C08L35/02

CPC classification number: C09D11/107 ,  C08L35/02 ,  C09D11/101 ,  C09D11/104 ,  C09D11/106 ,  C09D11/108 ,  C09D11/38 ,  C09D133/066 ,  C08L25/12 ,  C08L67/00

Abstract: A curable composition includes a polymerizable compound containing diethylene glycol dimethacrylate and a mono-functional (meth)acrylate having an OH group and a resin, wherein the resin satisfies the following (1) and (2), (1). a viscosity at 25 degrees C. of a liquid mixture of 70 parts of the diethylene glycol dimethacrylate and 30 parts of the resin is 15 to 27 times greater than that of the diethylene glycol dimethacrylate alone, and (2). the liquid mixture has a spin-spin relaxation time of 240 ms or less as measured by Carr-Purcell-Meiboom-Gill (CPMG) of pulse Nuclear Magnetic Resonance (NMR) analysis.