公开(公告)号：KR1020050075222A

公开(公告)日：2005-07-20

申请号：KR1020040003436

申请日：2004-01-16

Applicant: 삼성전자주식회사

Inventor： 최중환 ,  연경열 ,  이남정 ,  정민영 ,  석기원 ,  주혜리

IPC: C09D11/033 ,  C09D11/037

CPC classification number: C09D11/037 ,  C08K2201/017 ,  C08L33/10

Abstract: 액체 잉크 조성물을 제공한다. 상기 액체 잉크 조성물은 캐리어 액체; 상기 캐리어 액체 내에 분산되고, 오가노졸 코아 및 상기 오가노졸 코아에 그래프트 결합되어 있는 입체 안정제를 구비하는 오가노졸 입자; 및 상기 오가노졸 코아 내에 위치하는 시안 안료를 포함한다.

公开(公告)号：KR1020050032674A

公开(公告)日：2005-04-08

申请号：KR1020030068595

申请日：2003-10-02

Applicant: 삼성전자주식회사

Inventor： 연경열 ,  이남정 ,  최중환 ,  주혜리

IPC: C09D7/12

CPC classification number: C09D11/107

Abstract: Provided is a liquid ink composition which has shelf stability sufficient to prevent conglomeration of liquid ink even when stored at high temperature for a long time, while maintaining ink compatibility. The liquid ink composition comprises a coloring agent, charge controller, organosol, carrier liquid and a storage stabilizer, wherein the storage stabilizer is a metal salt formed of a metal cation to which a C15-C30 organic anion is bonded. Particularly, the organosol is formed of a graft stabilizer and thermoplastic (co)polymer core, wherein the graft stabilizer and the thermoplastic (co)polymer core include a C6-C30 (meth)acrylic monomer and C4-C30 acrylic monomer, respectively.

Abstract translation: 本发明提供一种液体油墨组合物，其具有足以防止液体油墨在高温下长期储存的同时保持油墨相容性的储存稳定性。 液体油墨组合物包含着色剂，电荷控制剂，有机溶胶，载体液体和储存稳定剂，其中储存稳定剂是由C 15 -C 30有机阴离子键合的金属阳离子形成的金属盐。 特别地，有机溶胶由接枝稳定剂和热塑性（共）聚合物芯形成，其中接枝稳定剂和热塑性（共）聚合物芯分别包括C 6 -C 30（甲基）丙烯酸单体和C 4 -C 30丙烯酸单体。

公开(公告)号：KR100462622B1

公开(公告)日：2004-12-23

申请号：KR1020020065842

申请日：2002-10-28

Applicant: 삼성전자주식회사

Inventor： 이남정 ,  요코다사부로 ,  연경열 ,  이환구 ,  주혜리 ,  김범준

IPC: G03G5/047

CPC classification number: G03G5/0525 ,  G03G5/047 ,  Y10T428/31504

Abstract: 본 발명은, 전자사진용 이층구조 정대전형 유기감광체의 제조에 있어서, 전하발생층 코팅시 발생할 수 있는 오염문제를 극복하고 전하발생층과 전하수송층 사이에 전하이동에 적합한 계면이 형성될 수 있도록 하기 위하여, 아세테이트계 용매에 잘 용해되는 제 1 전하수송물질, 아세테이트계 용매에 잘 용해되지 않는 제 2 전하수송물질, 결합제수지 및 유기용매를 포함하는, 이중층 정대전형 유기감광체의 전도성지지체 표면에 코팅되는 전하수송층 조성물을 제공한다. 또한, 전도성지지체 표면에, 본 발명에 따른 조성물을 코팅 및 건조시켜 전하수송층을 형성하는 단계; 및 상기 전하수송층의 표면에, 전하발생물질, 결합제, 알콜계 용매 및 아세테이트계 용매를 포함하는 전하발생층 조성물을 코팅 및 건조시켜 전하발생층을 형성하는 단계를 포함하는, 전자사진용 이층구조 정대전형 유기감광체 제조 방법을 제공한다. 또한 본 발명에서는 전하수송층이 전하발생층 조성물에 의하여 손상되지 않았으며, 전하발생층과 전하수송층 사이에 전하이동에 적합한 계면이 형성되어 있는 이층구조 정대전형 유기감광체를 제공한다.

Abstract translation: 双层带正电荷的有机感光体t不会受到在电荷产生层的涂布过程中溶出的电荷输送化合物引起的污染，并且其中电荷产生层和电荷输送层具有适合有效电荷的界面特性 转让。 在导电性支持体上形成电荷输送层的组合物含有可溶于乙酸酯溶剂的第一电荷输送性化合物，不溶于乙酸酯溶剂的第二电荷输送性化合物，粘合剂树脂和有机溶剂。 制造感光体的方法包括：用电荷输送层形成组合物涂布导电性支承体的表面，并干燥表面以形成电荷输送层; 和用电荷产生层形成组合物涂覆电荷输送层的表面并干燥该表面以形成电荷产生层。

公开(公告)号：KR1020040105054A

公开(公告)日：2004-12-14

申请号：KR1020030035900

申请日：2003-06-04

Applicant: 삼성전자주식회사

Inventor： 이남정 ,  주혜리 ,  연경열

IPC: C09D175/04

CPC classification number: C09D175/04 ,  C08L73/00 ,  C09D5/00 ,  C09D127/00 ,  G03G5/06 ,  G03G15/06

Abstract: PURPOSE: Provided are a composition for forming overcoat layer with improved electrical and mechanical properties such as wear-resistance, adhesion and coatability, an organic photoconductor comprising the same, and an electrophotographic imaging apparatus comprising the organophotoreceptor. CONSTITUTION: The organic photoconductor comprises an electrically conductive support, a photoreceptor layer on the electrically conductive support and an overcoat layer on the photoreceptor layer, wherein the overcoat layer is obtained by coating and drying a composition comprising an aqueous anionic polyurethane dispersion, a fluoro-resin and water-soluble polyvinylbutyral. In the composition, polyvinylbutyral may be a compound represented by the formula 1, wherein a is 5-35 mol%, b is 0-10 mol% and c is 55-85 mol%. Furthermore, the organic photoconductor is combined with a plurality of support rollers to form an electrophotographic imaging apparatus.

Abstract translation: 目的：提供一种用于形成具有改善的电气和机械性能如耐磨性，粘合性和可涂覆性的外涂层的组合物，包含该组合物的有机感光体和包含该有机光感受器的电子照相成像设备。 构成：有机光电导体包括导电载体，导电载体上的感光体层和感光体层上的外涂层，其中外涂层通过涂布和干燥包含阴离子聚氨酯水分散体，氟 - 树脂和水溶性聚乙烯醇缩丁醛。 在组合物中，聚乙烯醇缩丁醛可以是由式1表示的化合物，其中a为5-35mol％，b为0-10mol％，c为55-85mol％。 此外，有机光电导体与多个支撑辊组合以形成电子照相成像装置。

公开(公告)号：KR1020040095021A

公开(公告)日：2004-11-12

申请号：KR1020030028616

申请日：2003-05-06

Applicant: 삼성전자주식회사

Inventor： 연경열 ,  이남정 ,  주혜리 ,  최중환

IPC: C09D11/00 ,  C09C1/56 ,  G03G9/08 ,  C09C3/10

CPC classification number: C09D11/037 ,  G03G9/131 ,  G03G9/133

Abstract: PURPOSE: A liquid ink composition and preparation method thereof are provided to improve affinity of a colorant dissolved therein to an organosol, and thus enlarge the particle size of the liquid ink composition and make its electric control easier, thereby improving the image quality and preventing the non-image forming area inside a printer from being contaminated. CONSTITUTION: The liquid ink composition comprises: a colorant; a charge control agent(320) for adjusting the electrostatic properties of the colorant; and an organosol(330) that disperses and binds the colorant and the charge control agent together, wherein the colorant is coated with a thermoplastic resin(340) in order to improve its binding properties with the organosol, wherein the amount thermoplastic resin is 150-350pts.wt based on 100pts.wt of the colorant, and the amount of organosol is 180-250pts.wt based on 100pts.wt of the coated colorant. The preparation method of the liquid ink composition comprises: coating a colorant with a thermoplastic resin; and mixing and dispersing the coated colorant, an organosol and a charge control agent.

Abstract translation: 目的：提供一种液体油墨组合物及其制备方法，以改善其中溶解的着色剂与有机溶胶的亲和性，从而扩大液体油墨组合物的粒度，使其电气控制更容易，从而提高图像质量，防止 打印机内的非图像形成区域被污染。 构成：液体油墨组合物包含：着色剂; 用于调节着色剂的静电特性的电荷控制剂（320） 和将着色剂和电荷控制剂分散并结合在一起的有机溶胶（330），其中着色剂用热塑性树脂（340）涂布，以提高其与有机溶胶的粘合性能，其中热塑性树脂的量为150〜 基于100pts.wt的着色剂为350pts.wt，并且基于100pts.wt的涂覆着色剂，有机溶胶的量为180-250pts.wt。 液体油墨组合物的制备方法包括：用热塑性树脂涂覆着色剂; 并混合和分散涂覆的着色剂，有机溶胶和电荷控制剂。

公开(公告)号：KR1020040046650A

公开(公告)日：2004-06-05

申请号：KR1020020074640

申请日：2002-11-28

Applicant: 삼성전자주식회사

Inventor： 이남정 ,  주혜리 ,  연경열

IPC: G03G5/147

CPC classification number: C09D175/04 ,  C08G18/0823 ,  C08G18/12 ,  G03G5/14726 ,  G03G5/14769 ,  C08G18/32

Abstract: PURPOSE: A composition for an overcoat layer having excellent electric or mechanical properties such as low friction coefficient is provided to improve service life, solvent resistance and wear resistance of an organic photoconductor adopting the same, thereby being suitably applied to a wet toner. The composition for an overcoat layer shows little effect on the photoconductive layer and excellent stability, thereby being conveniently used in mass production. CONSTITUTION: The composition for an overcoat layer(4) comprises a water-dispersed anionic polyurethane resin(6) and a fluorocarbon resin(5), wherein the fluorocarbon resin is a particle having 0.1-1 micrometer of average particle diameter, and selected from polytetrafluoroethylene, polyvinylidene fluoride(PVDF), fluorinated ethylene propylene copolymer(FEP), polyethylene tetrafluoroethylene copolymer(PE-TFE), polyfluoroalkoxy copolymer(PFA), polyvinylfluoride(PVF) or mixtures thereof.

Abstract translation: 目的：提供具有优异的电学或机械性能如低摩擦系数的外涂层用组合物，以提高采用该组合物的有机感光体的使用寿命，耐溶剂性和耐磨性，从而适用于湿调色剂。 用于外涂层的组合物对光电导层的影响很小，稳定性优异，因此可以方便地用于批量生产。 构成：外涂层（4）的组合物包含水分散阴离子聚氨酯树脂（6）和氟碳树脂（5），其中氟碳树脂是具有0.1-1微米的平均粒径的颗粒，选自 聚偏氟乙烯（PVDF），氟化乙烯丙烯共聚物（FEP），聚乙烯四氟乙烯共聚物（PE-TFE），聚氟烷氧基共聚物（PFA），聚氟乙烯（PVF）或其混合物。

公开(公告)号：KR1020040029666A

公开(公告)日：2004-04-08

申请号：KR1020020060013

申请日：2002-10-02

Applicant: 삼성전자주식회사

Inventor： 요코다사부로 ,  연경열 ,  이환구 ,  주혜리 ,  김범준 ,  이남정

IPC: G03G5/043

CPC classification number: G03G5/0616 ,  G03G5/047 ,  G03G5/0629 ,  G03G5/0672

Abstract: PURPOSE: A multi-layered electro photographic positive charged organic photoconductor and its preparation method are provided, to improve electrostatic property and sensitivity and to reduce discharge voltage. CONSTITUTION: The positive charged organic photoreceptor comprises a conductive supporter; a charge transport layer which is formed on the surface of the conductive supporter and comprises a hole transport material, a binder resin and an organic solvent; a charge generation layer which is formed on the surface of the charge transport layer and comprises a charge generation material, a binder resin, an organic solvent and a hole transport material; and optionally an overcoat layer formed on the surface of the charge generation layer. Preferably the hole transport material of the charge transport layer is a stilbene-based compound represented by the formula 1, a hydrazone-based compound represented by the formula 2 or an amine-based compound represented by the formula 3, wherein R1 or R2 contains at least one aryl or styryl group, and R1 and R2 are independently H or an alkyl, aryl or styryl group; R3 is a substituted or unsubstituted alkyl, aralkyl or aryl group; R4 and R5 are independently H or an alkyl group; R6 is H, a halogen atom or an alkyl or alkoxy group; Ar1 is a substituted or unsubstituted aryl group; Ar2 is a substituted or unsubstituted perylene, naphthalene, biphenylene or anthracene group; R1 is H or a low molecular weight alkyl or alkoxy group; X is H or a substituted or unsubstituted alkyl or aryl group; and Y is a substituted or unsubstituted aryl group.

Abstract translation: 目的：提供多层电照相正电荷有机光电导体及其制备方法，以改善静电性能和灵敏度，并降低放电电压。 构成：带正电荷的有机感光体包括导电支持体; 电荷传输层，其形成在导电性支持体的表面上，并且包含空穴传输材料，粘合剂树脂和有机溶剂; 电荷产生层，其形成在电荷输送层的表面上，并且包含电荷产生材料，粘合剂树脂，有机溶剂和空穴传输材料; 以及可选地在电荷产生层的表面上形成的覆盖层。 优选地，电荷输送层的空穴传输材料是由式1表示的芪类化合物，由式2表示的腙基化合物或由式3表示的胺基化合物，其中R1或R2包含在 至少一个芳基或苯乙烯基，R1和R2独立地为H或烷基，芳基或苯乙烯基; R3是取代或未取代的烷基，芳烷基或芳基; R4和R5独立地是H或烷基; R6是H，卤原子或烷基或烷氧基; Ar1是取代或未取代的芳基; Ar2是取代或未取代的苝，萘，联苯或蒽基; R1是H或低分子量烷基或烷氧基; X是H或取代或未取代的烷基或芳基; Y为取代或未取代的芳基。

公开(公告)号：KR1020040011101A

公开(公告)日：2004-02-05

申请号：KR1020020044502

申请日：2002-07-27

Applicant: 삼성전자주식회사

Inventor： 이환구 ,  요코다사부로 ,  연경열 ,  김범준 ,  주혜리 ,  이남정

IPC: G03G5/05

CPC classification number: G03G5/0605 ,  G03G5/0567 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0614 ,  G03G5/062 ,  G03G5/064 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672

Abstract: PURPOSE: Provided is a monolayer type electrophotographic photoreceptor, which is excellent in endurance to a liquid developer and inhibits the reduction of static potential, therefore an excellent image can be obtained and an electrical lifetime can be lengthened. CONSTITUTION: The electrophotographic photoreceptor comprises: a conductive support; a photosensitive layer containing a polyester resin having a biphenyl fluorene unit(formula 1) in a main chain as a binder resin and a phenol compound(formula 2) as an antioxidant, wherein the content of the antioxidant is 0.01-50wt% based on the total weight of charge transport material of the photosensitive layer. In the formula 1, hydrogen atoms on aromatics are not substituted or can be substituted by halogen atoms, C1-C20 aliphatic hydrocarbon, or C5-C8 cycloalkyl. In the formula 2, X1 and X2 are independently hydrogen and C1-C6 alkyl, Y1 and Y2 are independently hydrogen, methyl, or ethyl, and X3 is independently C1-C6 alkyl and etc.

Abstract translation: 目的：提供一种单层型电子照相感光体，其对液体显影剂的耐久性优异并且抑制静电势的降低，因此可以获得优异的图像，并且可以延长电寿命。 构成：电子照相感光体包括：导电载体; 在作为粘合剂树脂的主链中含有具有联苯芴单元（式1）的聚酯树脂和作为抗氧化剂的酚化合物（式2）的感光层，其中抗氧化剂的含量为0.01-50重量％，基于 感光层的电荷输送材料的总重量。 在式1中，芳族化合物上的氢原子不被卤素原子，C 1 -C 20脂族烃或C 5 -C 8环烷基取代或被卤素原子取代。 在式2中，X 1和X 2独立地是氢和C 1 -C 6烷基，Y 1和Y 2独立地是氢，甲基或乙基，X 3独立地是C 1 -C 6烷基等。

公开(公告)号：KR1020040007960A

公开(公告)日：2004-01-28

申请号：KR1020020041244

申请日：2002-07-15

Applicant: 삼성전자주식회사

Inventor： 이남정 ,  주혜리 ,  요코다사부로 ,  연경열 ,  이환구 ,  김범준

IPC: G03G5/05

CPC classification number: G03G5/056 ,  G03G5/0564 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/076

Abstract: PURPOSE: Provided is a double-layered positive type organic photoreceptor comprising a charge transport layer, which shows excellent adhesion ability to conductive supports even without anodization of conductive supports or further addition of adhesive layer. CONSTITUTION: The double-layered positive type organic photoreceptor comprises: conductive supports; a charge transport layer comprising charge transfer material which can transfer positive charge, a primary binder resin of polycarbonates, and a secondary binder resin of polyester copolymer containing biphenyl fluorene group(formula 1); and a charge generation layer. The double-layered positive type organic photoreceptor can be used for electrophotography.

Abstract translation: 目的：提供一种双层正型有机感光体，其包含电荷输送层，即使不导电性支持体的阳极氧化也可以显示优异的与导电性载体的粘合能力，或进一步添加粘合剂层。 构成：双层正型有机感光体包括：导电载体; 包含能够转移正电荷的电荷转移材料的电荷输送层，聚碳酸酯的主要粘合剂树脂和含有联苯芴基（式1）的聚酯共聚物的次级粘合剂树脂; 和电荷产生层。 双层正型有机感光体可用于电子照相。