会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Thermally assisted process for transferring small electrostatographic
toner particles to a thermoplastic bearing receiver
    • 将小型静电调色剂颗粒转移到热塑性轴承接收器的热辅助工艺
    • US5045424A
    • 1991-09-03
    • US476194
    • 1990-02-07
    • Donald S. RimaiLouis J. SorrieroDinesh Tyagi
    • Donald S. RimaiLouis J. SorrieroDinesh Tyagi
    • G03G5/05G03G5/147G03G7/00
    • G03G5/14795G03G5/0596G03G5/14752G03G5/14756G03G7/008
    • A method transferring dry toner particles from the surface of an element which has a surface layer comprising polyester or polycarbonate thermoplastic polymeric binder resin matrix to a receiver which comprises a substrate having a polymeric coating on a surface in which the polymeric coating comprises a blend of:(i) from about 40 to about 90 percent by weight based on the total weight of the blend of a thermoplstic addition polymer and(i) from about 10 to about 60 percent by weight based on the total weight of the blend of a thermoplastic addition polymer having a ratio of weight average molecular weight to number average molecular weight in the range of from about 1:1 to 10:1.wherein the Tg of the thermoplastic addition polymers in the blend is less than approximately 10.degree. C. above the Tg of the toner binder and the surface energy of the thermoplastic polymer coating is approximately 38 to 43 dynes/cm by contacting the toner particles with the receiver which is heated to a temperature such that the temperature of the thermoplastic polymer coating on the receiver substrate during transfer is at least approximately 5.degree. C. above the Tg of the thermoplastic addition polymers in the blend. After transfer, the receiver is separated from the element while the temperature of the thermoplastic polymer coating is maintained above the Tg of the thermoplastic addition polymers.
    • 一种从具有包含聚酯或聚碳酸酯热塑性聚合物粘合剂树脂基质的表面层的元件表面转移干调色剂颗粒的方法,其包含在表面上具有聚合物涂层的基材,其中聚合物涂层包含以下物质的共混物: (i)约40至约90重量%,基于热塑性加成聚合物的共混物的总重量,和(i)约10至约60重量%,基于热塑性添加剂的共混物的总重量 聚合物的重均分子量与数均分子量的比例在约1:1至10:1的范围内。 其中共混物中热塑性加成聚合物的Tg低于调色剂粘合剂的Tg以上约10℃,热塑性聚合物涂层的表面能约为38至43达因/厘米,通过使调色剂颗粒与 接收器,其被加热到使得转移期间接收器基底上的热塑性聚合物涂层的温度高于共混物中的热塑性加成聚合物的Tg至少约5℃的温度。 转移后,将接收器与元件分离,同时热塑性聚合物涂层的温度保持在热塑性聚合物的Tg以上。
    • 3. 发明授权
    • Thermally assisted transfer of electrostatographic toner particles to a
thermoplastic bearing receiver
    • 将热静电调色剂颗粒热辅助转移到热塑轴承接收器
    • US5043242A
    • 1991-08-27
    • US455673
    • 1989-12-22
    • William A. LightDonald S. RimaiLouis J. Sorriero
    • William A. LightDonald S. RimaiLouis J. Sorriero
    • G03G16/00G03G7/00G03G13/26
    • G03G7/004G03G13/26
    • A method is provided for non-electrostatically transferring dry toner particles which comprise a toner binder and have a particle size of less than 8 micrometers from the surface of an element which has a surface layer comprising a film-forming, electrically insulating polyester or polycarbonate thermoplastic polymeric binder resin matrix and a surface energy of not greater than approximately 47 dynes/cm, preferably from about 40 to 45 dynes/cm, to a receiver which comprises a substrate having a coating of a thermoplastic addition polymer on a surface of the substrate in which the Tg of the polymer is less than approximately 10.degree. C. above the Tg of the toner binder and the surface energy of the thermoplastic polymer coating is approximately 38 to 43 dynes/cm by contacting the toner particles with the receiver which is heated to a temperature such that the temperature of the thermoplastic polymer coating on the receiver substrate during transfer is at least approximately 15.degree. C. above the Tg of the thermoplastic polymer whereby virtually all of the toner particles are transferred from the surface of the element to the thermoplastic polymer coating on the receiver substrate and the thermoplastic polymer coating is prevented from adhering to the element surface during transfer in the absence of a layer of a release agent on the thermoplastic polymer coating or the element. After transfer, the receiver is separated from the element while the temperature of the thermoplastic polymer coating is maintained above the Tg of the thermoplastic polymer.The method is particularly well suited for providing images having high resolution and low granularity from very small size toner particles.
    • 5. 发明授权
    • Method of non-electrostatically transferring small electrostatographic
toner particles from an element to a receiver
    • 将小型静电调色剂颗粒从元件转移到接收器的方法
    • US5308733A
    • 1994-05-03
    • US999021
    • 1992-12-31
    • Donald S. RimaiLouis J. SorrieroJohn M. McCabe
    • Donald S. RimaiLouis J. SorrieroJohn M. McCabe
    • G03G7/00G03G13/16
    • G03G13/16G03G7/0046
    • A method is provided for non-electrostatically transferring dry toner particles which comprise a toner binder and have a particle size of 8 micrometers or less from the surface of an element to a receiver. The receiver comprises a substrate having a coating of a semi-crystalline polyester on a surface of the substrate. The semi-crystalline polyester has a glass transition temperature in a range of from approximately 5.degree. C. to 80.degree. C.; a melting temperature in a range of from approximately 40.degree. C. to 200.degree. C.; a weight average molecular weight in a range of from approximately 10,000 to 150,000; a number average molecular weight in a range of from approximately 5,000 to 75,000; a crystallinity of from approximately 5 to 25 percent by weight, based on the total weight of the polyester and a surface energy of from approximately 44 to 52 dynes/cm. The method involves preheating the receiver to a temperature ranging from approximately 70.degree. C. to 95.degree. C. and contacting the toner-bearing element with the receiver to effectuate the transfer of virtually 100% of the toner particles from the element to the receiver and thereafter separating the receiver from the element while the temperature of the semi-crystalline polyester coating on the receiver is maintained above the glass transition temperature of the semi-crystalline polyester.The method is particularly well suited for providing images having high resolution and low granularity from very small toner particles.
    • 提供了一种用于非静电转印干调色剂颗粒的方法,所述干调色剂颗粒包含调色剂粘合剂并且具有从元件表面到接收体的8微米或更小的粒度。 接收器包括在衬底的表面上具有半结晶聚酯涂层的衬底。 半结晶聚酯的玻璃化转变温度在约5℃至80℃的范围内。 熔点范围为约40℃至200℃; 重均分子量在约10,000至150,000的范围内; 数均分子量在约5,000至75,000的范围内; 约5至25重量%的结晶度,基于聚酯的总重量和约44至52达因/厘米的表面能。 该方法包括将接收器预热至约70℃至95℃的温度,并使承载色粉的元件与接收器接触,以实现将实质上100%的调色剂颗粒从该元件转移到接收器, 然后将接收器与元件分开,同时接收器上的半结晶聚酯涂层的温度保持在半结晶聚酯的玻璃化转变温度以上。 该方法特别适用于从非常小的调色剂颗粒提供具有高分辨率和低粒度的图像。
    • 7. 发明授权
    • Thermally assisted method of transferring small electrostatographic
toner particles to a thermoplastic bearing receiver
    • 将小型静电调色剂颗粒转移到热塑性轴承接收器的热辅助方法
    • US5037718A
    • 1991-08-06
    • US455676
    • 1989-12-22
    • William A. LightDonald S. RimaiLouis J. Sorriero
    • William A. LightDonald S. RimaiLouis J. Sorriero
    • G03G15/16G03G7/00G03G13/26
    • G03G7/0006G03G13/26G03G7/0046
    • A method is provided for non-electrostatically transferring dry toner particles which comprise a toner binder and have a particle size of less than 8 micrometers from the surface of an element which has a surface layer comprising a film-forming, electrically insulating polyester or polycarbonate thermoplastic polymeric binder resin matrix and a surface energy of not greater than approximately 47 dynes/cm, preferably from about 40 to 45 dynes/cm, to a receiver which comprises a substrate having a coating of a thermoplastic condensation polymer on a surface of the substrate in which the Tg of the polymer is less than approximately 10.degree. C. above the Tg of the toner binder and the surface energy of the thermoplastic polymer coating is approximately 38 to 43 dynes/cm by contacting the toner particles with the receiver which is heated to a temperature such that the temperature of the thermoplastic polymer coating on the receiver substrate during transfer is at least approximately 5.degree. C. above the Tg of the thermoplastic polymer whereby virtually all of the toner particles are transferred from the surface of the element to the thermoplastic polymer coating on the receiver substrate and the thermoplastic polymer coating is prevented from adhering to the element surface during transfer in the absence of a layer of a release agent on the thermoplastic polymer coating or the element. After transfer, the receiver is separated from the element while the temperature of the thermoplastic polymer coating is maintained above the Tg of the thermoplastic polymer.The method is particularly well suited for providing images having high resolution and low granularity from very small size toner particles.
    • 9. 发明授权
    • Polymer blends and toner compositions comprising same
    • 聚合物共混物和包含它们的调色剂组合物
    • US5462829A
    • 1995-10-31
    • US171488
    • 1993-12-21
    • Dinesh TyagiLouis J. Sorriero
    • Dinesh TyagiLouis J. Sorriero
    • G03G9/087
    • G03G9/08788G03G9/08755G03G9/08797Y10S525/941
    • Polyblends are provided which comprise (a) a major amount of a linear or branched matrix polymer comprising a polyester having a number average molecular weight of at least 2000 or a vinyl polymer having a number average molecular weight of at least 3000 and (b) a minor amount of a block copolymer of AB or ABA type wherein A is a homopolymer block which is compatible with the matrix polymer and B is a homopolymer block which is incompatible with the matrix polymer, the blend having a fusing temperature of not more than about 250.degree. C., a melt viscosity of from about 4.times.10.sup.2 to 5.times.10.sup.4 poise as measured on a Rheometrics Dynamic Analyzer at 150.degree. C. and a frequency of 1 rad/sec and a melt elasticity of from about 1.5.times.10.sup.2 to 4.times.10.sup.4 dynes/cm.sup.2.The polyblends are useful in the preparation of electrostatographic toner compositions used in electrographic processes.
    • 提供了包含(a)主要量的包含数均分子量至少为2000的聚酯或数均分子量至少为3000的乙烯基聚合物的主要量的直链或支链基质聚合物和(b) 少量的AB或ABA型嵌段共聚物,其中A是与基质聚合物相容的均聚物嵌段,B是与基质聚合物不相容的均聚物嵌段,该共混物的熔点温度不超过约250 ℃,熔体粘度为约4×10 2至5×10 4泊,在Rheometrics动态分析仪上在150℃和1弧度/秒的频率和约1.5×10 2至4×10 4达因/ cm 2的熔体弹性下测量。 聚合共混物可用于制备用于电印方法的静电色调组合物。