公开(公告)号：US11485815B2

公开(公告)日：2022-11-01

申请号：US17045912

申请日：2019-04-09

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu Tanaka ,  Toyoaki Sasaki ,  Tomoaki Matsugi ,  Sadahiko Matsuura ,  Naoto Matsukawa ,  Masatoshi Chinaka

IPC: C08F297/08

Abstract: A 4-methyl-1-pentene polymer particle (X) which satisfies the following requirements (X-a), (X-b) and (X-c): (X-a) being composed of a 4-methyl-1-pentene polymer which has a content of a constitutional unit derived from 4-methyl-1-pentene being 30.0 to 99.7% by mol, and a content of a constitutional unit derived from at least one olefin selected from ethylene and an α-olefin having 3 to 20 carbon atoms (except for 4-methyl-1-pentene) being 0.3 to 70.0% by mol; (X-b) having, when measured in a cross fractionation chromatograph apparatus (CFC) using an infrared spectrophotometer as a detector part, at least one peak A of an amount of a component eluted present in the range of 100 to 140° C., and at least one peak B of an amount of a component eluted present at lower than 100° C.; and (X-c) having a meso diad fraction (m) measured by 13C-NMR falling within the range of 95.0 to 100%.

公开(公告)号：US09944779B2

公开(公告)日：2018-04-17

申请号：US15304389

申请日：2015-04-17

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu Tanaka ,  Kuniaki Kawabe ,  Hirotaka Kanaya ,  Keiichi Taki ,  Yuichi Kaida

IPC: C08F210/16 ,  C08L101/00 ,  C08L23/08 ,  C08L25/04 ,  C08L67/00 ,  C09J123/08 ,  G03G9/087 ,  G03G9/09

CPC classification number: C08L23/0815 ,  C08F210/16 ,  C08L23/08 ,  C08L25/04 ,  C08L67/00 ,  C08L101/00 ,  C08L2666/30 ,  C09J123/0815 ,  C09J123/0853 ,  G03G9/087 ,  G03G9/08704 ,  G03G9/08711 ,  G03G9/09 ,  G03G9/0904 ,  C08F210/08 ,  C08F2500/02 ,  C08F2500/04 ,  C08F2500/17 ,  C08F210/06 ,  C08F210/14 ,  C08F4/65927

Abstract: Provided is a resin composition containing: (A) an ethylene/α-olefin copolymer containing 91.0-99.9 parts by mole of (a) an ethylene-derived unit and 0.1-9.0 parts by mole of (b) a C3-C8 α-olefin-derived unit (wherein (a)+(b) is 100 parts by mole), while satisfying the requirements (i)-(iv) and (B) a thermoplastic resin and/or a thermosetting resin, wherein the mass ratio (A)/(B) is 0.1/99.9 to 50/50. This resin composition is useful for providing a toner which can be fixed by a relatively-low-temperature heating body and has good offset resistance, and which is suppressed in increase of particle diameters even if the toner is stored for a long time. (i) The Mw is 400 to 1,500. (ii) The Mw/Mn is 1.2 to 2.5. (iii) The penetration measured at 25° C. is 13 dmm or less. (iv) The melting temperature is 50° C. to 110° C.

公开(公告)号：US11248069B2

公开(公告)日：2022-02-15

申请号：US16078594

申请日：2017-02-21

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu Tanaka ,  Masahiko Okamoto ,  Makoto Nakano ,  Sadahiko Matsuura

IPC: C08F10/14 ,  C08J5/18 ,  C08L23/20 ,  B29C48/00 ,  B29C48/03 ,  B29K23/00

Abstract: A 4-methyl-1-pentene polymer having: a unit derived from 4-methyl-1-pentene of 90 to 100% by mol; a unit selected from ethylene and an α-olefin, other than 4-methyl-1-pentene, having 3 to 20 carbon atoms of 0 to 10% by mol; and the polymer satisfying the following requirements: (a) a meso diad fraction measured by 13C-NMR within the range of 98 to 100%; (b) a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw measured by GPC within the range of 2.5 to 20; (c) a ratio of weight-average molecular weight Mw to number-average molecular weight Mn measured by GPC within the range of 3.6 to 30; (d) a melt flow rate measured under conditions of 260° C. and a 5 kg load (ASTM D1238) within the range of 0.1 to 500 g/10 min; and (e) an amount of a decane-soluble portion at 23° C. is 5.0% by mass or less.

公开(公告)号：US11034782B2

公开(公告)日：2021-06-15

申请号：US16492125

申请日：2017-12-19

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu Tanaka ,  Toyoaki Sasaki ,  Tomoaki Matsugi

IPC: C08F10/14 ,  C08F210/14 ,  C08F110/14

Abstract: A 4-methyl-1-pentene polymer (X) wherein a content of a constitutional unit derived from 4-methyl-1-pentene is 90 to 100% by mol; a content of a constitutional unit derived from at least one olefin selected from ethylene and an α-olefin, other than 4-methyl-1-pentene, having 3 to 20 carbon atoms is 0 to 10% by mol; and the 4-methyl-1-pentene polymer satisfies certain requirements (a) to (f): (a) a meso diad fraction (m) measured by 13C-NMR falling within a certain range; (b) a ratio of weight-average molecular weight Mw within a certain range; (c) a melt flow rate (MFR) within a certain range; (d) a cumulative weight fraction within a certain range; (e) a proportion of a polymer having a molecular weight of a certain range; and (f) a heat of fusion and a melting point of the 4-methyl-1-pentene polymer within certain ranges.

公开(公告)号：US10072116B2

公开(公告)日：2018-09-11

申请号：US15034136

申请日：2014-11-05

Applicant: MITSUI CHEMICALS, INC.

Inventor： Kuniaki Kawabe ,  Hirotaka Kanaya ,  Masakazu Tanaka ,  Toshiyuki Ito ,  Masako Yoshida

IPC: C08F255/10 ,  C08F8/00 ,  C08F210/06 ,  C08F255/08 ,  C08L31/04 ,  C08L33/04 ,  C08L51/06 ,  C08L69/00 ,  C09D151/06 ,  C09J151/06 ,  C08F4/659 ,  C08F4/6592

CPC classification number: C08F255/10 ,  C08F4/65912 ,  C08F4/65927 ,  C08F8/00 ,  C08F8/50 ,  C08F210/06 ,  C08F255/023 ,  C08F255/08 ,  C08F2800/10 ,  C08F2810/30 ,  C08L31/04 ,  C08L33/04 ,  C08L51/06 ,  C08L69/00 ,  C09D151/06 ,  C09J151/06 ,  C08F222/06 ,  C08F210/08 ,  C08F2500/02 ,  C08F2500/20 ,  C08F212/08 ,  C08F2220/1858 ,  C08F220/06 ,  C08F210/16 ,  C08K7/14

Abstract: The purpose of the present invention is to provide a polar-group-containing propylene-type wax having excellent properties including a low melting point. A modified propylene-(α-olefin) copolymer (A) according to the present invention is produced by grafting at least one compound selected from an unsaturated carboxylic acid, a derivative of the unsaturated carboxylic acid and an unsaturated sulfonic acid salt onto a propylene-(α-olefin) copolymer (A1) and has an acid value of 1 to 100 KOHmg/g, wherein the propylene-(α-olefin) copolymer (A1) comprises 60 to 95 mol % of a propylene-derived constituent unit (a) and 5 to 40 mol % of a constituent unit (b) derived from an α-olefin having 4 or more carbon atoms, and satisfies the specific requirements (i) to (iii).

公开(公告)号：US10053562B2

公开(公告)日：2018-08-21

申请号：US15303970

申请日：2015-04-17

Applicant: MITSUI CHEMICALS, INC.

Inventor： Masakazu Tanaka ,  Kuniaki Kawabe ,  Hirotaka Kanaya ,  Keiichi Taki ,  Yuichi Kaida

IPC: C08L23/00 ,  C08L23/04 ,  C08L101/00 ,  G03G9/08 ,  G03G9/087 ,  C09J11/08 ,  C09J123/08

CPC classification number: C08L23/04 ,  C08L101/00 ,  C09J11/08 ,  C09J123/0853 ,  G03G9/08 ,  G03G9/087 ,  G03G9/08711

Abstract: Provided is a resin composition which contains (A) a polyethylene wax satisfying the requirements (i)-(iv) described below and (B) at least one resin selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the mass ratio of (A) to (B) is from 0.1/99.9 to 50/50. This resin composition is useful for providing a toner which can be fixed by means of a relatively-low-temperature heating body and has good offset resistance, and which is suppressed in increase of particle diameters even if the toner is stored for a long period of time. (i) The weight average molecular weight (Mw) is within the range from 400 to 1,500. (ii) The molecular weight distribution (Mw/Mn) is within the range from 1.2 to 2.5. (iii) The penetration as measured at 25° C. is 5 dmm or less. (iv) The melting point (Tm) is within the range from 50° C. to 110° C.

公开(公告)号：US09323166B2

公开(公告)日：2016-04-26

申请号：US14387068

申请日：2013-03-22

Applicant: Mitsui Chemicals, Inc.

Inventor： Kuniaki Kawabe ,  Masakazu Tanaka ,  Hiroshi Matsuoka ,  Noriko Kai ,  Keiichi Taki

IPC: G03G9/097 ,  G03G9/08 ,  G03G9/087

CPC classification number: G03G9/08 ,  G03G9/08704 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08735 ,  G03G9/08797 ,  G03G9/09733

Abstract: The present invention addresses the problem of providing an electrophotographic toner which has excellent storage property, is excellent in offset resistance and low-temperature fixing property during printing and has few substances causing staining with time, odor or dust inside a copy machine or a printer. The present invention relates to an electrophotographic toner characterized by containing an ethylene copolymer which comprises a constituent unit (a) derived from ethylene in an amount of 80 to 99.5% by mol and a constituent unit (b) derived from a cyclic olefin of 8 or more carbon atoms in an amount of 0.5 to 20% by mol [(a)+(b)=100% by mol] and satisfies the requirements: (i) the intrinsic viscosity [η] is in the range of 0.01 to 0.50 dl/g, and (ii) the crystallinity is in the range of 50 to 90%.

Abstract translation: 本发明解决了提供具有优异的储存性能的电子照相调色剂的问题，在印刷过程中的耐偏移性和低温定影性优异，并且几乎没有在复印机或打印机内引起时间，气味或灰尘污染的物质。 本发明涉及一种电子照相调色剂，其特征在于含有乙烯共聚物，该乙烯共聚物包含80至99.5摩尔％的衍生自乙烯的构成单元（a）和衍生自8或8的环状烯烃的构成单元（b） 更多的碳原子数为0.5〜20摩尔％[（a）+（b）= 100摩尔％），满足以下要求：（i）特性粘度[eegr]在0.01〜0.50的范围内 dl / g，（ii）结晶度为50〜90％。

公开(公告)号：US12091536B2

公开(公告)日：2024-09-17

申请号：US17297587

申请日：2019-12-02

Applicant: MITSUI CHEMICALS, INC.

Inventor： Hisanori Hashimoto ,  Masahiko Okamoto ,  Makoto Nakano ,  Toyoaki Sasaki ,  Masakazu Tanaka

IPC: C08L23/20 ,  H01G4/18 ,  H01G4/32

CPC classification number: C08L23/20 ,  H01G4/18 ,  H01G4/32 ,  C08L2201/08 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2203/20 ,  C08L2205/025

Abstract: A resin composition including a 4-methyl-1-pentene copolymer (A) that satisfies particular requirements and a 4-methyl-1-pentene copolymer (B) that satisfies particular requirements, in which the content of the copolymer (A) is 10 to 95 parts by mass and the content of the copolymer (B) is 90 to 5 parts by mass with respect to 100 parts by mass of the total content of the copolymers (A) and (B).

公开(公告)号：US10072171B2

公开(公告)日：2018-09-11

申请号：US14896059

申请日：2014-06-06

Applicant: Mitsui Chemicals, Inc.

Inventor： Kuniaki Kawabe ,  Hirotaka Kanaya ,  Masakazu Tanaka ,  Toshiyuki Ito

IPC: C09D123/14

CPC classification number: C09D123/14 ,  C09D123/142 ,  C08L51/06

Abstract: The present invention relates to an olefin-based paint. The purpose of the present invention is to provide a paint with excellent organic solvent solubility or dispersibility, low paint viscosity, minimal coating irregularities even at high concentrations, excellent handling and storage stability, and excellent blocking resistance and coated film stability. In order to meet this purpose, an olefin-based paint is used that is characterized by containing a solution or dispersion obtained by dissolving or dispersing 0.1-55 parts by mass of a propylene-α-olefin copolymer (A) for 100 parts by mass of an organic solvent. The copolymer (A) is characterized by containing 60-90 mol % of propylene-derived constituent units (a) having a weight-average molecular weight (Mw), measured by GPC, in the range of 3,000 to 40,000, and 10-40 mol % of α-olefin-derived constituent units (b) having 4 or more carbon atoms [wherein (a)+(b)=100 mol %].

公开(公告)号：US20150044603A1

公开(公告)日：2015-02-12

申请号：US14387068

申请日：2013-03-22

Applicant: Mitsui Chemicals, Inc.

Inventor： Kuniaki Kawabe ,  Masakazu Tanaka ,  Hiroshi Matsuoka ,  Noriko Kai ,  Keiichi Taki

IPC: G03G9/08

CPC classification number: G03G9/08 ,  G03G9/08704 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08735 ,  G03G9/08797 ,  G03G9/09733

Abstract: The present invention addresses the problem of providing an electrophotographic toner which has excellent storage property, is excellent in offset resistance and low-temperature fixing property during printing and has few substances causing staining with time, odor or dust inside a copy machine or a printer. The present invention relates to an electrophotographic toner characterized by containing an ethylene copolymer which comprises a constituent unit (a) derived from ethylene in an amount of 80 to 99.5% by mol and a constituent unit (b) derived from a cyclic olefin of 8 or more carbon atoms in an amount of 0.5 to 20% by mol [(a)+(b)=100% by mol] and satisfies the requirements: (i) the intrinsic viscosity [η] is in the range of 0.01 to 0.50 dl/g, and (ii) the crystallinity is in the range of 50 to 90%.

Abstract translation: 本发明解决了提供具有优异的储存性能的电子照相调色剂的问题，在印刷过程中的耐偏移性和低温定影性优异，并且几乎没有在复印机或打印机内引起时间，气味或灰尘污染的物质。 本发明涉及一种电子照相调色剂，其特征在于含有乙烯共聚物，该乙烯共聚物包含80至99.5摩尔％的衍生自乙烯的构成单元（a）和衍生自8或8的环状烯烃的构成单元（b） 更多的碳原子数为0.5〜20摩尔％[（a）+（b）= 100摩尔％），满足以下要求：（i）特性粘度[eegr]在0.01〜0.50的范围内 dl / g，（ii）结晶度为50〜90％。