公开(公告)号：US11850802B2

公开(公告)日：2023-12-26

申请号：US17542549

申请日：2021-12-06

Applicant: Stratasys Ltd.

Inventor： Yuval Vidavsky ,  Dani Peri ,  Mariana Pokrass ,  Avraham Levy ,  Eynat Matzner

IPC: B29C64/40 ,  B33Y70/00 ,  B29C64/112 ,  G03G9/087 ,  C11D7/14 ,  C08F283/06 ,  C11D3/08 ,  C11D3/04 ,  C08F220/28 ,  B33Y40/20 ,  C08F2/48 ,  B33Y10/00 ,  B29C64/35 ,  C11D7/06 ,  B29C35/08 ,  G03F7/00 ,  G03F7/027 ,  B33Y80/00 ,  B29K33/04

CPC classification number: B29C64/40 ,  B29C64/112 ,  B29C64/35 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/00 ,  C08F2/48 ,  C08F220/28 ,  C08F220/286 ,  C08F283/06 ,  C11D3/044 ,  C11D3/08 ,  C11D7/06 ,  C11D7/14 ,  G03G9/08722 ,  G03G9/08728 ,  G03G9/08793 ,  G03G9/08795 ,  B29C35/08 ,  B29K2033/04 ,  B33Y80/00 ,  G03F7/0037 ,  G03F7/027 ,  C08F220/286 ,  C08F222/102 ,  C08F220/54 ,  C08F283/06 ,  C08F220/286 ,  C08F283/06 ,  C08F220/28

Abstract: Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.

公开(公告)号：US20180230246A1

公开(公告)日：2018-08-16

申请号：US15752621

申请日：2016-08-14

Applicant: Stratasys Ltd.

Inventor： Yuval VIDAVSKY ,  Dani PERI ,  Mariana POKRASS ,  Avraham LEVY ,  Eynat MATZNER

IPC: C08F2/48 ,  B33Y10/00 ,  B33Y70/00 ,  B29C64/112 ,  B29C64/40 ,  B29C64/35 ,  B33Y40/00 ,  C11D7/06

CPC classification number: B29C64/40 ,  B29C35/08 ,  B29C64/112 ,  B29C64/35 ,  B29K2033/04 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y70/00 ,  B33Y80/00 ,  C08F2/48 ,  C08F220/28 ,  C08F283/06 ,  C11D7/06 ,  C11D7/14 ,  G03F7/0037 ,  G03F7/027 ,  G03G9/08722 ,  G03G9/08728 ,  G03G9/08793 ,  G03G9/08795 ,  C08F2220/286 ,  C08F2222/1013 ,  C08F220/54

Abstract: Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.

公开(公告)号：US20180107128A1

公开(公告)日：2018-04-19

申请号：US15730337

申请日：2017-10-11

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tomoyo Miyakai ,  Hayato Ida ,  Takaho Shibata ,  Junich Tamura ,  Ryuji Murayama ,  Daisuke Yamashita ,  Takashi Hirasa

IPC: G03G9/087

CPC classification number: G03G9/08704 ,  G03G9/0804 ,  G03G9/08722 ,  G03G9/08724 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08733 ,  G03G9/08795

Abstract: A toner comprising a toner particle including a resin component, wherein the resin component includes an olefin resin and an olefin copolymer including a hydroxyl group, the olefin resin has a specific monomer unit Y1, the olefin copolymer including a hydroxyl group has a specific monomer unit Z1 and Z2, a hydroxyl value of the olefin resin is not more than 10 mg KOH/g, a hydroxyl value of the olefin copolymer including a hydroxyl group is at least 20 mg KOH/g and not more than 250 mg KOH/g, and a content of the olefin resin in the resin component is more than 50 mass % with respect to a total mass of the resin component.

公开(公告)号：US09933716B2

公开(公告)日：2018-04-03

申请号：US15278687

申请日：2016-09-28

Applicant: Konica Minolta, Inc.

Inventor： Shiro Hirano ,  Noboru Ueda ,  Kouji Sugama ,  Junya Onishi ,  Aya Shirai ,  Tatsuya Fujisaki

IPC: G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/09 ,  G03G9/093

CPC classification number: G03G9/08711 ,  G03G9/0825 ,  G03G9/08722 ,  G03G9/08733 ,  G03G9/08755 ,  G03G9/0902 ,  G03G9/0904 ,  G03G9/0926 ,  G03G9/09321 ,  G03G9/09342 ,  G03G9/09364 ,  G03G9/09392 ,  G03G9/09708 ,  G03G9/09725

Abstract: The present invention relates to a toner for electrostatic charge image development, including toner base particles containing a binder resin containing as a main component a vinyl resin having a constitutional unit derived from a monomer having an acid group, and aluminum, wherein a concentration of the aluminum in the toner base particles, as measured by radio inductively coupled plasma emission spectral analysis, is from 900 to 2,200 ppm. According to the present invention, there is provided a means for improving the environmental stability of electrification, and the glossiness and the image density of the image to be formed in a good balance while maintaining sufficient low temperature fixability in a toner for electrostatic charge image development.

公开(公告)号：US09857710B1

公开(公告)日：2018-01-02

申请号：US15258190

申请日：2016-09-07

Applicant: XEROX CORPORATION

Inventor： Varun Sambhy ,  John S. Facci ,  Eliud Robles-Flores ,  David S. Derleth ,  David C. Craig

IPC: G03G9/087 ,  B33Y70/00 ,  G03G9/08

CPC classification number: G03G9/08775 ,  B33Y70/00 ,  C08L29/02 ,  C08L29/04 ,  C08L29/06 ,  C08L39/06 ,  G03G9/081 ,  G03G9/08708 ,  G03G9/08722 ,  G03G9/08731 ,  G03G9/08737 ,  G03G9/0874 ,  G03G9/08766 ,  G03G9/08777

Abstract: A support material toner particle for use in xerographic additive manufacturing includes a polyvinyl alcohol (PVA) polymer and blend-additives including a chitosan and a polyvinylpyrrolidone (PVP), the amount of blend-additives is selected to adjust the Tg of the PVA polymer to be within about 1° C. to about 20° C. of a desired build material toner Tg. A xerographic toner system includes a build toner material and a support toner material, the support toner material includes a polyvinyl alcohol (PVA) polymer and blend-additives including a chitosan and a polyvinylpyrrolidone (PVP), the amount of blend-additives is selected to adjust the Tg of the PVA polymer to be within about 1° C. to about 20° C. of the build material toner Tg. A method of making a support toner material includes blending polyvinyl alcohol with blend additives including a chitosan and polyvinylpyrrolidone and forming support toner particles after the blending step.

公开(公告)号：US09580578B2

公开(公告)日：2017-02-28

申请号：US14875131

申请日：2015-10-05

Applicant: XEROX CORPORATION

Inventor： Valerie M. Farrugia ,  Mihaela Maria Birau

IPC: G03G9/00 ,  C08K5/42 ,  G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/093 ,  C08K5/3417

CPC classification number: C08K5/42 ,  C08K5/3417 ,  G03G9/0806 ,  G03G9/0812 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08722 ,  G03G9/08728 ,  G03G9/08731 ,  G03G9/08737 ,  G03G9/0912 ,  G03G9/09321 ,  G03G9/09364 ,  G03G9/09378 ,  G03G9/09392

Abstract: A process includes forming an emulsion comprising a monomer and a colorant, the colorant further including an anionic functional group and a lipophilic counter ion, and polymerizing the monomer to form a latex, the latex includes polymer nanoparticles having the colorant dispersed therein.

Abstract translation: 一种方法包括形成包含单体和着色剂的乳液，所述着色剂还包括阴离子官能团和亲脂性抗衡离子，并使单体聚合以形成胶乳，所述胶乳包括分散有着色剂的聚合物纳米颗粒。

公开(公告)号：US09182694B2

公开(公告)日：2015-11-10

申请号：US13827972

申请日：2013-03-14

Applicant: Ricoh Company, Ltd.

Inventor： Saori Yamada ,  Hisashi Nakajima ,  Masashi Nagayama ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

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

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08722 ,  G03G9/08782 ,  G03G9/08784 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09791

Abstract: A toner, including: a binder resin; and a colorant, wherein the binder resin contains: a crystalline polyester resin (A); a non-crystalline resin (B); and a composite resin (C), where the composite resin (C) contains a condensation polymerization resin unit and an addition polymerization resin unit, wherein the toner contains chloroform insoluble matter in an amount of 1% by mass to 30% by mass, wherein the toner has a molecular weight distribution having a main peak in a range of 1,000 to 10,000 and a half width of 15,000 or less, where the molecular weight distribution is obtained through gel permeation chromatography (GPC) of tetrahydrofuran soluble matter of the toner, and wherein the toner has an endothermic peak in a range of 90° C. to 130° C. in measurement through differential scanning calorimetry (DSC).

Abstract translation: 一种调色剂，包括：粘合剂树脂; 和着色剂，其中所述粘合剂树脂包含：结晶聚酯树脂（A）; 非结晶性树脂（B）; 和复合树脂（C），其中复合树脂（C）含有缩聚树脂单元和加成聚合树脂单元，其中调色剂含有1质量％至30质量％的氯仿不溶物质，其中 调色剂的分子量分布具有在1000至10,000的主峰和半数宽度为15,000或更小的分子量分布，其中分子量分布通过调色剂的四氢呋喃可溶物质的凝胶渗透色谱（GPC）获得，以及 其中调色剂在通过差示扫描量热法（DSC）的测量中具有在90℃至130℃范围内的吸热峰。

公开(公告)号：US09128398B2

公开(公告)日：2015-09-08

申请号：US13617957

申请日：2012-09-14

Applicant: Masashi Nagayama ,  Mitsuo Aoki ,  Hisashi Nakajima ,  Saori Yamada ,  Mariko Takii

Inventor： Masashi Nagayama ,  Mitsuo Aoki ,  Hisashi Nakajima ,  Saori Yamada ,  Mariko Takii

IPC: G03G9/087 ,  G03G15/08 ,  G03G9/08 ,  G03G9/097

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/08722 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08737 ,  G03G9/08766 ,  G03G9/08782 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0975 ,  G03G15/0889

Abstract: A toner for forming an electrophotographic image is provided, wherein the toner includes at least four types of binder resins, wherein the binder resins includes at least: a crystalline polyester resin (A); a non-crystalline resin (B); a non-crystalline resin (C); and a composite resin (D) which includes a condensation polymerization resin unit and an addition polymerization resin unit, wherein the non-crystalline resin (B) includes a chloroform insoluble matter, wherein the non-crystalline resin (C) has a softening temperature (T½) lower than that of the non-crystalline resin (B) by 25° C. or more, and wherein the toner has a main peak between 1,000 to 10,000 in a molecular weight distribution obtained by GPC from a tetrahydrofuran soluble matter, and the toner has a half-value width of the molecular weight distribution of 15,000 or less.

Abstract translation: 提供了用于形成电子照相图像的调色剂，其中调色剂包括至少四种类型的粘合剂树脂，其中粘合剂树脂至少包括：结晶聚酯树脂（A）; 非结晶性树脂（B）; 非结晶性树脂（C）; 和包含缩聚树脂单元和加成聚合树脂单元的复合树脂（D），其中所述非结晶性树脂（B）包括氯仿不溶物，其中所述非结晶性树脂（C）具有软化温度 T 1/2）比非结晶性树脂（B）低25℃以上，并且其中调色剂在通过GPC从四氢呋喃可溶物质获得的分子量分布中具有在1,000至10,000之间的主峰，并且 调色剂的分子量分布的半值宽度为15,000以下。

公开(公告)号：US20150183928A1

公开(公告)日：2015-07-02

申请号：US14659791

申请日：2015-03-17

Applicant: Toray Industries, Inc.

Inventor： Hiroshi Takezaki ,  Hiroshi Kobayashi ,  Makiko Saito ,  Itaru Asano

IPC: C08G63/81

CPC classification number: C08G63/81 ,  A61K8/0241 ,  A61K8/0279 ,  A61K8/85 ,  A61K2800/412 ,  A61Q1/02 ,  A61Q1/10 ,  C08G63/08 ,  C08J3/14 ,  C08J9/26 ,  C08J9/28 ,  C08J2367/04 ,  G03G9/0802 ,  G03G9/0804 ,  G03G9/0821 ,  G03G9/08722 ,  G03G9/08762 ,  G03G9/08775 ,  Y10T428/2982

Abstract: A process of producing polylactic acid-based resin microparticles includes a dissolving step that forms a system, which can cause phase separation into two phases of a solution phase mainly composed of polylactic acid-based resin (A) having an enthalpy of fusion of less than 5 J/g and a solution phase mainly composed of polymer (B) different from polylactic acid-based resin, by dissolving the polylactic acid-based resin (A) and the polymer (B) different from polylactic acid-based resin in an ether-based organic solvent (C); an emulsion-forming step that forms an emulsion by applying a shear force to the system; and a microparticle-forming step that precipitates polylactic acid-based resin microparticles by contacting the emulsion with a poor solvent which has lower solubility of the polylactic acid-based resin (A) than the ether-based organic solvent (C).

Abstract translation: 制造聚乳酸类树脂微粒的方法包括形成系统的溶解步骤，其能够相分离成主相由熔融焓小于等于的聚乳酸类树脂（A）构成的溶液相的两相 5J / g和主要由不同于聚乳酸类树脂的聚合物（B）组成的溶液相，通过将不同于聚乳酸类树脂的聚乳酸类树脂（A）和聚合物（B）溶解在醚中 的有机溶剂（C）; 通过向系统施加剪切力而形成乳液的乳液形成步骤; 以及通过使所述乳液与所述聚乳酸类树脂（A）比所述醚系有机溶剂（C）的溶解性低的不良溶剂接触来使聚乳酸类树脂微粒析出的微粒形成工序。

公开(公告)号：US09029056B2

公开(公告)日：2015-05-12

申请号：US14116997

申请日：2012-05-17

Applicant: Takashi Kenmoku ,  Hitoshi Itabashi ,  Akane Masumoto

Inventor： Takashi Kenmoku ,  Hitoshi Itabashi ,  Akane Masumoto

IPC: G03G9/097 ,  G03G9/087 ,  G03G9/08 ,  G03G9/093

CPC classification number: G03G9/09775 ,  G03G9/0806 ,  G03G9/0815 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08722 ,  G03G9/08726 ,  G03G9/08733 ,  G03G9/08791 ,  G03G9/09321

Abstract: Provided is a toner having high charging rapidity to reach a sufficient charging amount in a short time, high stability of charging from the initial stage to a time when a large amount of sheets is printed out, and high stability of charging under a high temperature and high humidity. In a toner including toner particles, each of which contains at least a binder resin, a colorant, and a charge controlling resin, the charge controlling resin is a copolymer of a structure A having at least a specific salicylic acid derivative structure and a structure B having sulfonic acid or sulfonic acid ester as a substituent.

Abstract translation: 提供了一种具有高充电速度的调色剂，以便在短时间内达到充足的充电量，从初始阶段到打印出大量的片材时的充电稳定性高，并且在高温下充电的稳定性高 高湿度 在包含调色剂颗粒的调色剂中，每个调色剂颗粒至少含有粘合剂树脂，着色剂和电荷控制树脂，电荷控制树脂是具有至少特定的水杨酸衍生物结构的结构A和结构B的共聚物 具有磺酸或磺酸酯作为取代基。