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    • 8. 发明申请
    • FLUORESCENT COMPOUNDS FOR DETECTING USE OF PROPER PLASTIC MOLDING TEMPERATURES
    • 用于检测正确塑性模塑温度的荧光化合物
    • US20130333199A1
    • 2013-12-19
    • US13526950
    • 2012-06-19
    • Joseph KuczynskiMelissa K. MillerHeidi D. WilliamsJing Zhang
    • Joseph KuczynskiMelissa K. MillerHeidi D. WilliamsJing Zhang
    • C09K11/08B29C45/76B23P17/00B29C45/00
    • B29C45/78B29C45/0001B29K2995/0018B29K2995/0035
    • A method comprising injection molding a plastic part from a polymer formulation comprising an injection moldable thermoplastic and a fluorescent compound, wherein the fluorescent compound has a decomposition temperature that establishes a maximum processing temperature for the polymer formulation. The fluorescent compound will thermally decompose to generate gaseous products causing visible bubble formation in the surface of the plastic part in response to exposure to a processing temperature that exceeds the decomposition temperature of the fluorescent compound. If the plastic part was processed without exposure to a processing temperature that exceeds the decomposition temperature of the fluorescent compound, then any fluorescent compound within the plastic part will cause the plastic part to fluoresce in response to exposure to black light. A suitable fluorescent compound may be, for example, selected from oxalates, carbamic acids, carbonic acids, diazocarbonyl compounds, and combinations thereof. A preferred fluorescent compound is bis(2,4,6-trichlorophenyl)oxalate.
    • 一种包括从包含注射成型热塑性塑料和荧光化合物的聚合物制剂注塑塑料部件的方法,其中所述荧光化合物具有建立聚合物制剂的最大加工温度的分解温度。 响应于暴露于超过荧光化合物的分解温度的处理温度,荧光化合物将热分解以产生气态产物,导致塑料部件表面中的可见气泡形成。 如果在不暴露于超过荧光化合物的分解温度的处理温度的情况下处理塑料部件,则塑料部件内的任何荧光化合物将导致塑料部件响应于暴露于黑光而发荧光。 合适的荧光化合物可以是例如草酸盐,氨基甲酸,碳酸,重氮羰基化合物及其组合。 优选的荧光化合物是草酸二(2,4,6-三氯苯基)酯。