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    • 5. 发明授权
    • Method of making antistatic magnetic recording tapes and recording tapes
    • 制造抗静电磁记录带和记录带的方法
    • US4429024A
    • 1984-01-31
    • US406058
    • 1982-08-06
    • Susumu UenoHirokazu NomuraKiyoshi Imada
    • Susumu UenoHirokazu NomuraKiyoshi Imada
    • G11B5/708G11B5/72G11B5/735G11B5/738G11B5/84B05D3/06
    • G11B5/738G11B5/735Y10S428/90
    • The invention provides a novel means for solving and overcoming the problems in the magnetic recording tapes caused by the accumulation of static electricity during travelling of the tape affecting the quality of the reproduced sounds and picture images by playing the tape. The inventive method comprises providing at least one surface of the plastic-made film base with a layer of a plasma-polymerized gaseous compound of a specific type by exposing the surface of the film base to the atmosphere of low temperature plasma generated in the low pressure atmosphere of the gas or vapor of a compound such as an amine, organosilane, aliphatically unsaturated compound and aromatic compound, preferably, before coating the film base with a magnetic coating composition. The plasma-polymerized layer is effective to decrease the surface resistivity of the film base and to reduce the accumulation of static electricity induced by rubbing.
    • 本发明提供了一种用于解决和克服磁带记录带中由于通过播放磁带而影响再现声音质量和图像图像的磁带行进期间的静电积累引起的问题的新颖手段。 本发明的方法包括通过将薄膜基材的表面暴露于低压产生的低压等离子体气氛中,使塑料制成的薄膜基材的至少一个表面具有特定类型的等离子体聚合的气态化合物的层 优选在用磁性涂料组合物涂覆薄膜基材之前,优选胺,有机硅烷,脂肪族不饱和化合物和芳族化合物等化合物的气体或蒸气的气氛。 等离子体聚合层有效地降低膜基材的表面电阻率并减少由摩擦引起的静电积累。
    • 8. 发明授权
    • Method for modifying surface properties of a disc-like shaped article of
a vinyl chloride-based resin
    • 用于改进氯乙烯类树脂的盘状成形制品的表面性质的方法
    • US4410784A
    • 1983-10-18
    • US230070
    • 1981-01-29
    • Kiyoshi ImadaSusumu UenoYasuhide NishinaHirokazu Nomura
    • Kiyoshi ImadaSusumu UenoYasuhide NishinaHirokazu Nomura
    • B23K9/00B29C59/14B29D17/00C08L27/06G11B3/58H05F1/02
    • C08J7/123B29C59/14G11B3/58B29K2027/06B29L2017/00C08J2327/06Y10S425/81
    • The invention provides a novel method for modifying the surface properties, e.g. antistatic performance and anti-wearing resistance, of a disc-like shaped article made of a vinyl chloride-based resin such as a gramophone record by treating with low temperature plasma so as that the surface of the record is rendered antistatic and the noise generation in playing of the record is remarkably decreased. Different from conventional methods, a great uniformity of the effect by the plasma treatment is ensured by the inventive method all over the surface of the record since the record is transferred through the space between two parallel arrays of electrodes, preferably, with rotation around its axis during the plasma treatment. The manner of connecting the electrodes to the terminals of the high frequency generator may be in two different ways. For example, all of the electrodes in one array are connected to the grounded terminal while all of the electrodes in the other array are connected to the power-input terminal. Alternatively, each of the electrodes is connected to a terminal different from that to which both of the neighboring electrodes in the same array and the electrode in the other array oppositely facing it are connected. The record after the plasma treatment is preferably coated with a surface active agent and dried to enhance the effectiveness.
    • 本发明提供了一种用于改变表面性质的新方法,例如, 通过用低温等离子体处理,由诸如留声机记录的氯乙烯类树脂制成的盘状成型制品的抗静电性能和抗磨损性能使得记录表面变得抗静电,并且产生噪音 创历史新高。 与传统方法不同,通过本发明的方法在记录的整个表面上确保了通过等离子体处理的效果的大的均匀性,因为记录通过两个平行的电极阵列之间的空间传送,优选地绕其轴线旋转 在等离子体处理期间。 将电极连接到高频发生器的端子的方式可以有两种不同的方式。 例如,一个阵列中的所有电极连接到接地端子,而另一个阵列中的所有电极都连接到电源输入端子。 或者,每个电极连接到与相同阵列中的两个相邻电极和与其相对面对的另一阵列中的电极不同的端子。 等离子体处理后的记录优选用表面活性剂涂布并干燥以提高有效性。