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    • 1. 发明授权
    • Control of metallic appearance in automotive cast paint films
    • 控制汽车涂漆膜中的金属外观
    • US5653927A
    • 1997-08-05
    • US474511
    • 1995-06-07
    • Michael D. FlynnKeith L. Truog
    • Michael D. FlynnKeith L. Truog
    • B05D5/06B05D7/14B05D7/24B29C37/00B32B15/08B32B31/14
    • B29C37/0032B05D5/067B05D5/068B29K2033/08B29K2105/0032B29K2105/0085B29K2105/16B29K2427/16B29K2995/003
    • A thermoplastic and thermoformable pigment-containing metallic automotive paint is solvent cast and dried to form a finished metallic automotive paint coat for a decorative film used in a thermoforming process to form an exterior paint layer on a molded plastic automotive body panel. The paint coat contains a pigment uniformly dispersed in a polymeric binder material preferably comprising an alloy of a polyvinylidene fluoride (PVDF) copolymer and an acrylic resin in which the PVDF copolymer is provided as a dispersion in the acrylic resin. Preferably, the dispersed form of the PVDF copolymer has a maximum particle size less than about 35 microns, and more preferably 20 microns, with a mean particle size range of 6 to 10 microns. The dispersion ratio is preferably from 80% to 20% PVDF copolymer and from 20% to 80% acrylic resin, respectively, by weight. A low molecular weight form of the PVDF copolymer is preferred and characterized by a melt viscosity of 17,000 to 20,000 poise at 230.degree. C. Reflective flakes are uniformly dispersed in the polymeric dispersion material and the dispersion form of the PVDF copolymer inhibits parallel orientation of the reflective flakes to produce a more random orientation that achieves a metallic appearance similar to standard spray painted metallic paint coats.
    • 一种热塑性和可热成型的含颜料的金属汽车涂料是溶剂浇铸和干燥的,以形成用于热成型工艺中的装饰膜的成品金属汽车漆涂层,以在模制塑料汽车车身面板上形成外部漆层。 涂料含有均匀分散在聚合物粘合剂材料中的颜料,优选包含聚偏二氟乙烯(PVDF)共聚物和丙烯酸树脂的合金,其中PVDF共聚物作为分散体提供在丙烯酸树脂中。 优选地,分散形式的PVDF共聚物具有小于约35微米,更优选20微米的最大粒度,平均粒度范围为6至10微米。 分散比分别优选为80%至20%的PVDF共聚物和20%至80%的丙烯酸树脂。 优选低分子量形式的PVDF共聚物,其特征在于在230℃下的熔体粘度为17,000至20,000泊。反射片均匀地分散在聚合物分散体材料中,并且PVDF共聚物的分散形式抑制了 反射薄片以产生更随机的取向,其实现与标准喷漆金属涂料外观相似的金属外观。
    • 2. 发明授权
    • Control of metallic appearance in automotive cast paint films
    • 控制汽车涂漆膜中的金属外观
    • US06113838A
    • 2000-09-05
    • US994307
    • 1997-12-19
    • Michael D. FlynnKeith L. Truog
    • Michael D. FlynnKeith L. Truog
    • B29C37/00B32B3/00B05D3/02
    • B29C37/0032
    • A thermoplastic and thermoformable pigment-containing metallic automotive paint is solvent cast and dried to form a finished metallic automotive paint coat for a decorative film used in a thermoforming process to form an exterior paint layer on a molded plastic automotive body panel. The paint coat contains a pigment uniformly dispersed in a polymeric binder material preferably comprising an alloy of a polyvinylidene fluoride (PVDF) copolymer and an acrylic resin in which the PVDF copolymer is provided as a dispersion in the acrylic resin. Preferably, the dispersed form of the PVDF copolymer has a particle size of about eleven microns or less, and more preferably a mean particle size range of about 3 to about 4.5 microns. The dispersion ratio is preferably from 80% to 20% PVDF copolymer and from 20% to 80% acrylic resin, respectively, by a weight. A low molecular weight form of the PVDF copolymer is preferred and characterized by a melt viscosity of 17,000 to 20,000 poise at 230.degree. C. Reflective flakes are uniformly dispersed in the polymeric dispersion material and the dispersion form of the PVDF copolymer inhibits parallel orientation of the reflective flakes to produce a more random orientation that achieves a metallic appearance similar to standard spray painted metallic paint coats.
    • 一种热塑性和可热成型的含颜料的金属汽车涂料是溶剂浇铸和干燥的,以形成用于热成型工艺中的装饰膜的成品金属汽车漆涂层,以在模制塑料汽车车身面板上形成外部漆层。 涂料含有均匀分散在聚合物粘合剂材料中的颜料,优选包含聚偏二氟乙烯(PVDF)共聚物和丙烯酸树脂的合金,其中PVDF共聚物作为分散体提供在丙烯酸树脂中。 优选地,分散形式的PVDF共聚物具有约11微米或更小的粒度,更优选约3至约4.5微米的平均粒度范围。 分散比分别优选为80%至20%的PVDF共聚物和20%至80%的丙烯酸树脂。 优选低分子量形式的PVDF共聚物,其特征在于在230℃下的熔体粘度为17,000至20,000泊。反射片均匀地分散在聚合物分散体材料中,并且PVDF共聚物的分散形式抑制了 反射薄片以产生更随机的取向,其实现与标准喷漆金属涂料外观相似的金属外观。
    • 3. 发明授权
    • Apparatus for pulse train measurement
    • 脉冲串测量装置
    • US4255623A
    • 1981-03-10
    • US48779
    • 1979-06-15
    • Larry A. BarnesDaniel DaughertyMichael D. FlynnMichael D. RobertsonKenneth R. Welch
    • Larry A. BarnesDaniel DaughertyMichael D. FlynnMichael D. RobertsonKenneth R. Welch
    • H04M3/24H04Q1/32H04Q1/457H04M3/08
    • H04M3/24H04Q1/32H04Q1/457
    • An incoming pulse train is evaluated for interpulse spacing and pulse repetition rate by first shaping the pulses into a desired configuration in a dial pulse shaper (12). The shaped pulses are applied to a pulse counter and controller (14) to generate numerator and denominator signals of a divide function. The numerator and denominator signals are gated through a data selector (16) to an up counter controller (24). The up counter controller (24) gates a 2 KHz clock to a counter in a divider and display (18) during the denominator signal and during the numerator signal the counter within the divider display (18) is gated to perform the divide functions. The divider and display (18) carries out a division function of the numerator by the denominator with the quotient representing the percent interpulse interval or the pulse repetition rate depending on the mode of operation. In addition, the frequency of a tone pad is measured by actuating a DTMF controller (20) that drives the touch tone pad through the dial pulse shaper (12) which also generates a frequency signal having a configuration for further processing. This frequency signal is gated through the up counter controller (24) to the divider and display (18) which in this mode functions as a frequency counter. Frequency signals and various timing functions are provided by an oscillator and divider (28) and a counter reset (26) initiates the system and resets various system components in the measurement modes.
    • 通过首先将脉冲成形为拨号脉冲整形器(12)中所需的配置来评估输入脉冲串的脉冲间隔和脉冲重复率。 成形脉冲被施加到脉冲计数器和控制器(14)以产生除法函数的分子和分母信号。 分子和分母信号通过数据选择器(16)门控到上计数器控制器(24)。 上计数器控制器(24)在分母信号期间在分频器和显示器(18)中将2KHz时钟门控到计数器,并且在分子信号期间,分频器显示器(18)内的计数器被选通以执行除法功能。 除法器和显示器(18)根据操作模式,通过分母执行分子的除法函数,其中商值表示脉冲间隔百分比或脉冲重复率。 此外,通过致动通过拨号脉冲整形器(12)驱动触摸音垫的DTMF控制器(20)来测量音垫的频率,该拨号脉冲整形器(12)还产生具有用于进一步处理的配置的频率信号。 该频率信号通过向上计数器控制器(24)门控到分频器和显示器(18),在该模式下,该模式用作频率计数器。 频率信号和各种定时功能由振荡器和分频器(28)提供,并且计数器复位(26)启动系统并在测量模式中复位各种系统组件。