公开(公告)号：US20170001467A1

公开(公告)日：2017-01-05

申请号：US15190723

申请日：2016-06-23

申请人： Dong-A Pencil Co., Ltd.

发明人： Hak Jae KIM

IPC分类号： B43K29/05 ,  B43K25/02

CPC分类号： B43K29/05 ,  B43K25/02 ,  B43K29/00 ,  B43K29/02 ,  B43L19/0043

摘要： The heating eraser for removing thermally changeable ink comprises a heating eraser unit that removes or changes a color by instantaneously applying heat at 50 to 65° C. as a color changing temperature range of a phase transition material selectively along a handwriting written or drawn by a writing instrument using the thermally changeable ink containing thermally changeable fine particles of 10 wt % to 70 wt % including a core portion containing the transition material including a phenol-based compound containing an aliphatic functional group having carbon atoms of 6 or more and a shell layer covering the core portion and made of a polymer resin on a substrate.

摘要翻译： 用于去除热变色墨的加热擦除器包括加热擦除单元，其通过在50至65℃下瞬间施加热量来去除或改变颜色，作为相变材料的颜色变化温度范围，其选择性地沿着由 使用包含10重量％至70重量％的可热改性微粒的可热改性油墨的书写工具，其包含含有包含含有碳原子数6以上的脂肪族官能团的酚系化合物的过渡材料的芯部和壳层 在基材上覆盖芯部并由聚合物树脂制成。

公开(公告)号：US20160376457A1

公开(公告)日：2016-12-29

申请号：US15186253

申请日：2016-06-17

申请人： Dong-A Pencil Co., Ltd.

发明人： Hak Jae KIM

IPC分类号： C09D11/50 ,  C09D163/00 ,  E06B9/24 ,  C09D11/17

CPC分类号： C09D11/50 ,  B41M5/284 ,  B41M5/287 ,  B41M5/3333 ,  B41M5/3335 ,  B43K7/02 ,  B43K8/03 ,  C09D11/17 ,  C09D163/00 ,  C09K9/02 ,  E06B9/24 ,  E06B2009/2417

摘要： The present invention relates to thermochromic micro particles capable of stably implementing a high chromogenic property and a decolorization property and having an improved erasing property, thermal resistance, and chemical resistance, and a thermochromic ink composition, a writing apparatus, and a smart window using the same. The thermochromic micro particles comprise a core part including a phase change material and a dye, the phase change material including a phenol-based compound containing an aliphatic functional group having a carbon number of 6 or more; and a shell layer including a polymer resin.

摘要翻译： 本发明涉及能够稳定地实现高显色性和脱色性能并且具有改善的擦除性，耐热性和耐化学性的热致变色微粒子，以及热变色油墨组合物，书写装置和智能窗，其使用 相同。 所述热致变色微粒包括包含相变材料和染料的核心部分，所述相变材料包括含有碳数为6以上的脂肪族官能团的酚类化合物; 以及包含聚合物树脂的壳层。

公开(公告)号：US20170274700A1

公开(公告)日：2017-09-28

申请号：US15461282

申请日：2017-03-16

申请人： Dong-A Pencil Co., Ltd.

发明人： Hak Jae KIM

IPC分类号： B43K24/03

CPC分类号： B43K24/03 ,  B43K29/02

摘要： The present invention relates to relates to a thermochromic writing instrument that may use thermochromic ink and erase a written content by generating heat with a frictional member provided thereat.An exemplary embodiment of the present invention provides a thermochromic writing instrument including: a body configured to be provided with a knock mechanism that exposes a thermochromic writing part to the outside or accommodates the thermochromic writing part; a rib configured to be provided at an inner circumferential surface of the body to protrude in a central line direction of the body; a moving member configured to move along the inside of the body; a frictional member configured to be provided at one side of the moving member to protrude out of the body; a weight configured to be provided at the other side of the moving member to contact or to not contact the knock mechanism according to movement of the moving member; and a guide configured to be disposed between the outside of the moving member and the inside of the body to move along the inside of the body and to be spaced apart from an outer circumferential surface of the moving member by a predetermined interval.

公开(公告)号：US20160376458A1

公开(公告)日：2016-12-29

申请号：US15190090

申请日：2016-06-22

申请人： Dong-A Pencil Co., Ltd.

发明人： Hak Jae KIM

IPC分类号： C09D11/50 ,  B43K7/02 ,  B43K8/03 ,  C09D11/17 ,  E06B9/24

CPC分类号： C09D11/50 ,  B41M5/284 ,  B41M5/287 ,  B41M5/3333 ,  B41M5/3335 ,  B43K7/02 ,  B43K8/03 ,  C09D11/17 ,  C09K9/02 ,  E06B9/24 ,  E06B2009/2417

摘要： The present invention relates to thermochromic micro particles capable of stably implementing a high chromogenic property and a decolorization property and having an improved erasing property, thermal resistance, and chemical resistance, and a thermochromic ink composition, a writing apparatus, and a smart window using the same. The thermochromic micro particles comprise a core part including a phase change material, a dye, and a developer, the phase change material including at least one selected from the group consisting of at least one chain hydrocarbon having a carbon number of 8 or more, a hydrated inorganic salt, alcohol having a carbon number of 3 or more, and polyalkyleneglycol; and a shell layer including a polymer resin.

摘要翻译： 本发明涉及能够稳定地实现高显色性和脱色性能并且具有改善的擦除性，耐热性和耐化学性的热致变色微粒子，以及热变色油墨组合物，书写装置和智能窗，其使用 相同。 所述热致变色微粒包括包含相变材料，染料和显色剂的核心部分，所述相变材料包括选自碳数为8以上的至少一种链烃的至少一种， 水合无机盐，碳数为3以上的醇和聚亚烷基二醇; 以及包含聚合物树脂的壳层。