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    • 3. 发明授权
    • Process for preparing linear copolyesters containing
omega-hydroxycarboxylic acid units
    • 制备含有ω-羟基羧酸单元的线性共聚酯的方法
    • US5656700A
    • 1997-08-12
    • US516177
    • 1995-08-17
    • Werner KagiKlaus NothhelferWerner Stibal
    • Werner KagiKlaus NothhelferWerner Stibal
    • C08G63/20C08G63/60C08G63/78C08G63/91C08L67/00D01F6/84
    • C08G63/60C08G63/78Y10T428/2913
    • A process for preparing linear copolyesters which contain omega-hydrocarboxylic acid units, from polyesters that contain at least 90 mol % polyethylene terephthalate units, as well as the usual amount of diethylene glycol units and possibly the known catalysts and stabilizers, includes adding to the already prepared polyester melt at least one compound of the group of lactones, optionally along with further additives but without additional catalysts in a system sealed off from gas exchange and at a higher pressure than the lactone vapor pressure in a proportion of up to 10 mol %, referred to the final melt, and mixed intensively with the melt. The resultant copolyesters, after a total dwell time of less than 30 minutes and a temperature in the range of 265.degree. to 310.degree. C., are further processed or discharged, granulated and subsequently further processed, wherein the copolyesters are identical in viscosity to the starting polyesters and contain randomly distributed omega-hydroxycarboxylic acid units in the polymer chains and whereby the sealed system is a pipe which is under pressure and is provided with a dosing opening and with a mixer downstream of the dosing opening.
    • 制备含有ω-羟基羧酸单元的线性共聚酯的方法,其由含有至少90mol%聚对苯二甲酸乙二醇酯单元的聚酯以及通常量的二甘醇单元以及可能已知的催化剂和稳定剂组成,包括加入已经 制备的聚酯熔融内酯的至少一种化合物,任选地与另外的添加剂一起,但在气体交换密封的体系中并且在比内酯蒸气压更高的压力下,以高达10mol%的比例,不含另外的催化剂, 称为最终熔体,并与熔体密集地混合。 在总停留时间少于30分钟,温度在265至310℃之间的所得共聚酯进一步加工或排出,造粒并随后进一步加工,其中共聚酯的粘度与 起始聚酯并且在聚合物链中含有随机分布的ω-羟基羧酸单元,由此密封系统是处于压力下的管并且具有计量开口并且在配量开口下游具有混合器。
    • 5. 发明申请
    • Plastic component having visible part and light source
    • 具有可见部分和光源的塑料部件
    • US20070091614A1
    • 2007-04-26
    • US11542636
    • 2006-10-04
    • Michael KaisserRalf HalaWerner Kagi
    • Michael KaisserRalf HalaWerner Kagi
    • F21V5/00
    • B60R13/02B60Q1/26B60Q3/14B60Q3/54B60Q2500/10B60R13/04B60R2013/0287C08K3/014C08L77/00C08L77/02C08L77/06C08L2201/08C08L2205/02
    • The present invention relates to a plastic component having a visible part that is made in one single layer from a plastic molding compound and that comprises a transparent or translucent matrix, and having a light source that comprises one or more lamp elements, situated under the surface of the visible part. The visible part is implemented as essentially opaque in relation to daylight and transparent or translucent in relation to the light emitted by the lamp elements. The visible part also contains admixed effect pigments and defines a surface appearance image which, when the light source is inactive, essentially corresponds to the surface appearance image of the remaining wall of an object in which the plastic component is installed and which, when the light source is active, is essentially determined by the light source activity. The plastic component according to the invention is characterized in that the lamp elements are selected from a group which comprises light-emitting diodes, organic light-emitting diodes, and fiber-optic light systems, the lamp elements at least partially being embedded in the plastic molding compound of the visible part. The manifold uses of this plastic component comprise installation in vehicles, paneling elements, and furniture, as well as in housings of greatly varying devices.
    • 本发明涉及一种具有可见部分的塑料部件,该可见部分由塑料模制化合物制成在一个单层中,并且包括透明或半透明的基体,并且具有包含位于该表面下方的一个或多个灯元件的光源 的可见部分。 可见部分相对于日光实现为基本不透明的,并且相对于灯元件发出的光透明或半透明。 可见部分还含有混合效应颜料并限定了当光源无效时的表面外观图像,其基本上对应于其中安装塑料部件的物体的剩余壁的表面外观图像,以及当光 来源是活跃的,基本上由光源活动决定。 根据本发明的塑料部件的特征在于,灯元件选自包括发光二极管,有机发光二极管和光纤光系统的组,灯元件至少部分地嵌入塑料 可见部分的模塑料。 这种塑料部件的多种用途包括安装在车辆,镶板元件和家具中,以及安装在大大变化的装置的壳体中。