公开(公告)号：EP2058350A1

公开(公告)日：2009-05-13

申请号：EP07806516.6

申请日：2007-08-31

Applicant: Zeon Corporation

Inventor： TAKAHASHI, Haruhiko ,  KOHARA, Teiji ,  KUDO, Nobuhiro ,  IKEDA, Koichi ,  OGAWA, Tokudai ,  HIRATA, Takeshi

IPC: C08G61/08 ,  B32B27/00 ,  B65D1/00 ,  B65D65/38 ,  C08K5/00 ,  C08L65/00

CPC classification number: C08G61/08 ,  B32B15/08 ,  B32B15/20 ,  B32B27/08 ,  B32B27/18 ,  B32B27/28 ,  B32B27/286 ,  B32B27/30 ,  B32B27/302 ,  B32B27/304 ,  B32B27/306 ,  B32B27/32 ,  B32B27/325 ,  B32B27/34 ,  B32B27/36 ,  B32B27/365 ,  B32B2307/306 ,  B32B2307/412 ,  B32B2307/50 ,  B32B2307/558 ,  B32B2307/714 ,  B32B2307/7242 ,  B32B2439/70 ,  B32B2439/80 ,  C08G2261/3324 ,  C08G2261/724 ,  Y10T428/1345 ,  Y10T428/1352 ,  Y10T428/3175 ,  Y10T428/31757 ,  Y10T428/31797 ,  Y10T428/31855 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/31938

Abstract: A hydrogenated norbornene ring-open polymer obtained by hydrogenating 80% or more of main-chain carbon-carbon double bonds of a ring-open polymer which is obtained by ring-opening polymerization of 2-norbornene is disclosed. The hydrogenated norbornene ring-open polymer has a weight average molecular weight (Mw) determined by gel permeation chromatography (GPC) of 50,000 to 200,000, a molecular weight distribution (Mw/Mn) of 1.5 to 10.0, and a melting point of 110 to 145°C. Also disclosed is a hydrogenated norbornene ring-open polymer (hydrogenated polymer) obtained by hydrogenating 80% or more of carbon-carbon double bonds of a ring-open polymer which is obtained by ring-opening copolymerization of 2-norbornene and a substituent-containing norbornene monomer, wherein the proportion of a repeating unit (A) derived from the 2-norbornene with respect to all repeating units is 90 to 99 wt% and the proportion of a repeating unit (B) derived from the substituent-containing norbornene monomer with respect to all repeating units is 1 to 10 wt%. The hydrogenated ring-open polymer has a melting point of 110 to 145°C. A resin composition and a molding material containing these hydrogenated polymers, a molded article, a resin film, a resin sheet, a multilayer laminate, a packing material, a molded article for medical supplies, a blister molding sheet, a blister molded article, and a multilayer blow-molded container made of these hydrogenated polymers are also disclosed.

Abstract translation: 公开了通过2-取代降冰片烯的开环聚合获得的开环聚合物的80％以上的主链碳 - 碳双键氢化得到的氢化降冰片烯开环聚合物。 氢化降冰片烯开环聚合物通过凝胶渗透色谱法（GPC）测定的重均分子量（Mw）为50,000〜200,000，分子量分布（Mw / Mn）为1.5〜10.0，熔点为110〜 145℃。 还公开了通过将通过2-降冰片烯的开环共聚获得的开环聚合物的80％以上的碳 - 碳双键氢化得到的氢化降冰片烯开环聚合物（氢化聚合物） 降冰片烯单体，其中来自2-降冰片烯的重复单元（A）相对于所有重复单元的比例为90〜99重量％，来自含有取代基的降冰片烯单体的重复单元（B）的比例与 相对于所有重复单元为1〜10重量％。 氢化开环聚合物的熔点为110〜145℃。 含有这些氢化聚合物的树脂组合物和成型材料，模塑制品，树脂薄膜，树脂薄片，多层叠层，包装材料，用于医疗用品的模制品，泡罩模塑片，泡罩模塑制品和 还公开了由这些氢化聚合物制成的多层吹塑容器。

公开(公告)号：EP3778672A1

公开(公告)日：2021-02-17

申请号：EP19774234.9

申请日：2019-03-25

Applicant: Zeon Corporation

Inventor： IGA, Takashi ,  HIRATA, Takeshi ,  YABUKI, Nozomi

IPC: C08F220/00 ,  B41M5/42 ,  C09D7/65 ,  C09D201/00

Abstract: Provided is hollow resin particles having higher compressive strength and more excellent heat insulating properties and heat resistance than before. The hollow resin particles each having one or two or more hollow portions, wherein a number average particle diameter is from 0.1 µm to 9.0 µm, a void ratio is from 70% to 99%, and an amount of the volatile organic compound contained is 5% by mass or less.

公开(公告)号：EP2248839A1

公开(公告)日：2010-11-10

申请号：EP09715234.2

申请日：2009-02-27

Applicant: Zeon Corporation

Inventor： HIRATA, Takeshi ,  HOUKAWA, Takashi ,  MATSUDA, Hiroaki ,  NAKA, Yosuke

IPC: C08G61/06

CPC classification number: C08G61/08 ,  C08G2261/3324 ,  C08G2261/418 ,  C08G2261/724 ,  C08L65/00 ,  Y10S525/94

Abstract: A hydrogenated crystalline norbornene ring-opening polymer is obtained by hydrogenating 80% or more of carbon-carbon double bonds of a ring-opening polymer that is obtained by ring-opening polymerization of norbornene monomers including 90 to 100 wt% of 2-norbornene and 0 to 10 wt% of a 2-norbornene derivative having a substituent which does not include an aliphatic carbon-carbon double bond in the presence of a branching agent, the hydrogenated crystalline norbornene ring-opening polymer having a melting point of 110 to 145°C and a branching index of 0.3 to 0.98, and a molded article is obtained by molding the hydrogenated crystalline norbornene ring-opening polymer. The hydrogenated crystalline norbornene ring-opening polymer has excellent industrial productivity, and the molded article has excellent productivity and moisture resistance.

Abstract translation: 通过使包含90〜100重量％的2-降冰片烯的降冰片烯单体的开环聚合得到的开环聚合物的80％以上的碳 - 碳双键氢化得到氢化结晶性降冰片烯开环聚合物， 0〜10重量％的在支化剂存在下不具有脂肪族碳 - 碳双键的具有取代基的2-降冰片烯衍生物，所述氢化结晶性降冰片烯开环聚合物的熔点为110〜145℃ C，支化指数为0.3〜0.98，通过成型氢化结晶性降冰片烯开环聚合物得到成型品。 氢化结晶降冰片烯开环聚合物具有优异的工业生产率，并且成型制品具有优异的生产率和耐湿性。

公开(公告)号：EP4502731A1

公开(公告)日：2025-02-05

申请号：EP23779724.6

申请日：2023-03-17

Applicant: Zeon Corporation

Inventor： HIRATA, Takeshi

IPC: G03G9/08 ,  G03G9/097

Abstract: To provide a toner which hardly causes toner leakage and which is excellent in thin line reproducibility. A toner comprising colored resin particles containing a binder resin, a colorant and a release agent, and an external additive, wherein an equivalent circular area diameter is 5.0 µm or more and 10.0 um or less, and a compactness obtained as a ratio of an equivalent circular area diameter to a maximum length (the equivalent circular area diameter/the maximum length) is 0.915 or more and 1.000 or less, both of which are measured by a flow particle image analyzer.

公开(公告)号：EP3858922A1

公开(公告)日：2021-08-04

申请号：EP19864566.5

申请日：2019-09-13

Applicant: Zeon Corporation

Inventor： HIRATA, Takeshi ,  IGA, Takashi

IPC: C08L101/12 ,  C08F2/44

Abstract: Provided is a resin composition configured to show a small change in the void ratio of hollow resin particles during mold processing and configured to stably mold a lightweight molded product having a small variation in specific gravity. The resin composition is a resin composition comprising 50 parts by mass to 95 parts by mass of a thermoplastic elastomer and 5 parts by mass to 50 parts by mass of hollow resin particles, wherein the hollow resin particles have a void ratio of from 50% to 85%; wherein the hollow resin particles have a shell containing a resin; and wherein, with respect to 100 parts by mass of repeating units constituting the resin, 30 parts by mass to 100 parts by mass of a crosslinkable monomer unit and 0 part by mass to 70 parts by mass of a non-crosslinkable monomer unit are contained as a polymerizable monomer unit.

公开(公告)号：EP2248839B1

公开(公告)日：2018-03-28

申请号：EP09715234.2

申请日：2009-02-27

Applicant: Zeon Corporation

Inventor： HIRATA, Takeshi ,  HOUKAWA, Takashi ,  MATSUDA, Hiroaki ,  NAKA, Yosuke

IPC: C08G61/06 ,  C08J5/00

CPC classification number: C08G61/08 ,  C08G2261/3324 ,  C08G2261/418 ,  C08G2261/724 ,  C08L65/00 ,  Y10S525/94

Abstract: A hydrogenated crystalline norbornene ring-opening polymer is obtained by hydrogenating 80% or more of carbon-carbon double bonds of a ring-opening polymer that is obtained by ring-opening polymerization of norbornene monomers including 90 to 100 wt% of 2-norbornene and 0 to 10 wt% of a 2-norbornene derivative having a substituent which does not include an aliphatic carbon-carbon double bond in the presence of a branching agent, the hydrogenated crystalline norbornene ring-opening polymer having a melting point of 110 to 145°C and a branching index of 0.3 to 0.98, and a molded article is obtained by molding the hydrogenated crystalline norbornene ring-opening polymer. The hydrogenated crystalline norbornene ring-opening polymer has excellent industrial productivity, and the molded article has excellent productivity and moisture resistance.

公开(公告)号：EP3992213A1

公开(公告)日：2022-05-04

申请号：EP20830855.1

申请日：2020-06-04

Applicant: Zeon Corporation

Inventor： HIRATA, Takeshi

IPC: C08F2/44 ,  C08F2/18 ,  C08F6/00

Abstract: A method for producing hollow resin particles, the method comprising a mixture liquid preparation step, a suspension preparation step, a polymerization step, and a solvent removal step; wherein a content of a saturated hydrocarbon solvent is 50% by mass or more with respect to 100% by mass of a total amount of a hydrocarbon solvent; wherein a polymerization initiator is an oil-soluble polymerization initiator; and wherein, in the mixture liquid, a crosslinkable monomer contains a tri- or higher functional crosslinkable monomer, and with respect to 100 parts by mass of a total amount of the polymerizable monomer, a total content of the crosslinkable monomer is 80 to 98 parts by mass, a content of the tri- or higher functional crosslinkable monomer is from 10 parts by mass to 98 parts by mass, and a content of the hydrocarbon solvent is from 300 parts by mass to 1500 parts by mass.

公开(公告)号：EP3858921A1

公开(公告)日：2021-08-04

申请号：EP19867632.2

申请日：2019-09-13

Applicant: Zeon Corporation

Inventor： HIRATA, Takeshi ,  IGA, Takashi

IPC: C08L101/00 ,  C08F2/44

Abstract: Provided is a resin composition configured to show a small change in the void ratio of hollow resin particles during mold processing and configured to stably mold a lightweight molded product. The resin composition is a resin composition comprising 50 parts by mass to 95 parts by mass of a thermoplastic plastomer and 5 parts by mass to 50 parts by mass of hollow resin particles, wherein the hollow resin particles have a void ratio of from 50% to 85%; wherein the hollow resin particles have a shell containing a resin; and wherein, with respect to 100 parts by mass of repeating units constituting the resin, 30 parts by mass to 100 parts by mass of a crosslinkable monomer unit and 0 part by mass to 70 parts by mass of a non-crosslinkable monomer unit are contained as a polymerizable monomer unit.

公开(公告)号：EP3858473A1

公开(公告)日：2021-08-04

申请号：EP19867363.4

申请日：2019-09-11

Applicant: Zeon Corporation

Inventor： HIRATA, Takeshi ,  YABUKI, Nozomi

IPC: B01J13/22 ,  C08F220/10 ,  C08J7/04

Abstract: Provided are hollow particles which are more excellent in heat resistance and dispersibility than ever before and which are lightweight. The hollow particles containing hollow resin particles having a surface covered with inorganic fine particles, wherein a volume average particle diameter of the hollow particles is from 0.1 µm to 9.0 µm, and a void ratio thereof is from 55% to 95%; wherein a repeating unit constituting the resin of the hollow resin particles contains a crosslinkable monomer unit, and a content of the crosslinkable monomer unit is from 25 to 100 parts by mass, with respect to 100 parts by mass of the resin; wherein a primary particle diameter of the inorganic fine particles is from 10 nm to 120 nm; and wherein the inorganic fine particles are contained at from 5 to 180 parts by mass, with respect to 100 parts by mass of the hollow resin particles.