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    • 2. 发明授权
    • Forgery-proof flat article of a synthetic resin, and process for the
production thereof
    • 合成树脂的防伪扁平制品及其制造方法
    • US4520063A
    • 1985-05-28
    • US400006
    • 1982-07-20
    • Manfred SimonKarl-Heinz SpiessRichard Weiss
    • Manfred SimonKarl-Heinz SpiessRichard Weiss
    • B41M3/14B32B27/00B42D25/00B42D25/405B42D25/415D06P5/02
    • B42D25/415B42D25/00B42D25/333B42D25/387B42D25/405B42D25/45B42D2033/04B42D2033/20B42D2033/30B42D2035/02B42D25/455Y10T428/24802Y10T428/24835
    • A forgery-proof flat article, for example, for the production of banking cards, credit cards, and the like, is provided with a security feature analogous to a watermark and is made of thermoplastic and elastomeric synthetic resins based on transparent, translucent, or colored sheets made by extrusion, calendering, blow-molding, or spread coating, or composite sheets therefrom, with an application of a colorant, capable of migrating, to the surface in the presence of a crosslinkable component in the flat article and/or in the colorant application. The colorant application, upon reaching the desired migration depth of the applied colorant, is fixed in the flat article by a crosslinking reaction. This flat article, by the use of two differently quickly migrating colorants, has a coloring showing on both sides of the flat article the security feature in congruence, this security feature appearing on the topside in the color of the more rapidly migrating colorant and, when the article is viewed while held up to the light, appearing in the form of the mixed color.Special effects are obtained in one embodiment of a composite flat article wherein one sheet side, treated with two different colorants, is bonded by laminating to a further sheet. After penetration of the colorants and fixation, the security feature is visible on both sides of the sheet and recognizable in the mixed color when the article is held up to the light and viewed in this way.
    • 例如,用于生产银行卡,信用卡等的防伪扁平物品具有类似于水印的安全特征,并且由基于透明,半透明或 通过挤出,压延,吹塑或铺展涂料或其复合片材制成的着色片材,在平坦制品中存在可交联组分的情况下使用能够迁移到表面的着色剂,和/或在 着色剂应用。 着色剂应用在达到所要求的着色剂的迁移深度时,通过交联反应固定在扁平制品中。 通过使用两种不同快速迁移的着色剂,这种扁平物品具有在平坦物品的两面上显示出一致性的安全特征的着色,该安全特征出现在更快速迁移的着色剂的颜色的顶部,以及何时 该文章被视为轻视,以混合色的形式出现。 在复合扁平制品的一个实施方案中获得特殊效果,其中用两种不同着色剂处理的一个片材侧通过层压至另一片材而结合。 在着色剂穿透和固定之后,安全特征在片材的两侧是可见的,并且当制品被保持到光并以这种方式观看时可以混合的颜色识别。
    • 6. 发明授权
    • Process for the production of dyed, flat articles from thermoplastic
synthetic resins
    • 从热塑性合成树脂生产染色扁平制品的方法
    • US4923658A
    • 1990-05-08
    • US250151
    • 1988-09-28
    • Alexander HoverManfred SimonRichard Weiss
    • Alexander HoverManfred SimonRichard Weiss
    • B05D7/02B29B17/00B29C43/00B29C43/22B29C43/30B29C43/48B29C67/04B44C1/04B44C3/08
    • B44C3/08B05D7/04B29B17/00B29C43/006B29C43/22B29C43/30B29C43/48B29C67/04B44C1/04B05D5/06B29C2791/002B29K2027/06B29K2105/251B29K2995/0021Y02W30/62
    • A process for the production of homogeneous flat articles of thermoplastic synthetic resins wherein a starting mixture based on thermoplastic synthetic resins is processed into agglomerate or granulated material by a thermal pretreatment above the softening temperature and subsequently, optionally after additional intermediate steps, is mechanically comminuted to a mixture of particles having a random grain size distribution. The mixture of particles is piled continuously onto a conveyor belt to form a uniform layer and is sintered, under the action of heat up to the plasticization of the thermoplastic synthetic resin, into a coherent flat articles and is then press-molded under the effect of pressure and heat. The pourable powders or particles are formed from a blend of differently colored agglomerates or granules prepared in a predetermined mixing ratio; the blend being obtained from several colored batches of thermoplastic resin, each batch having a different color from the other and each batch being heat treated above the softening point of the thermoplastic resin. In one variation of the process, at least one liquid or pourable, meltable, colored medium is applied in predetermined patterns and penetrates into the sintered layer up to a desired depth, in particular throughout the entire layer thickness; and thereafter the dyed, sintered layer is compressed under the action of pressure and heat into a compact flat article.
    • 一种用于生产热塑性合成树脂的均匀扁平制品的方法,其中基于热塑性合成树脂的起始混合物通过高于软化温度的热预处理而被加工成附聚物或造粒材料,随后任选地在另外的中间步骤之后机械粉碎成 具有随机粒度分布的颗粒的混合物。 将颗粒混合物连续堆积在输送带上以形成均匀的层,并在加热至热塑性合成树脂的塑化作用下烧结成粘合的平坦物品,然后在 压力和热量。 可倾倒粉末或颗粒由以预定混合比制备的不同颜色的附聚物或颗粒的共混物形成; 该混合物由几批彩色批次的热塑性树脂获得,每批具有不同的颜色,每批在热塑性树脂的软化点之上进行热处理。 在该方法的一个变型中,以预定图案施加至少一种液体或可倾倒的,可熔化的有色介质,并且穿透到所需的深度,特别是贯穿整个层厚度; 然后将染色的烧结层在压力和热力的作用下压缩成紧凑的扁平制品。