Thermoplastic resin composition, and reflective film produced using same
A technology of thermoplastic resin and composition, which is applied in the direction of nonlinear optics, instruments, optical components, etc., can solve the problems of cost increase and manufacturing complexity, and achieve the effect of high whiteness
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Embodiment 1
[0040] Premixed 64.95 parts by mass of polyethylene terephthalate ("RAMAPET" manufactured by Indorama Corporation, hereinafter referred to as "PET"), 35 parts by mass of barium sulfate ("Baryace B-55" manufactured by Sakai Chemical Industry Co., Ltd., Average particle size: 0.3 μm), and 0.05 parts by mass of zinc oxide (“MZ-500” manufactured by Tayca Corporation, specific surface area: 50 m 2 / g, average particle size: 25nm), and then put the mixture into a twin-screw extruder (manufactured by Toshiba Machine Co., Ltd. "TEM-37BS"), and melt kneading at 270 to 300°C to obtain granular resin composition (1). The obtained resin composition (1) was subjected to the following silver corrosion acceleration test, formability test and measurement of brightness to evaluate silver corrosion, formability and whiteness.
[0041] [Silver Corrosion Acceleration Test]
[0042] In the mode that the pure silver foil does not contact the particles of the resin composition (1), 10 g of the par...
Embodiment 2
[0053] Premix 64.9 parts by mass of PET, 35 parts by mass of barium sulfate, and 0.1 part by mass of zinc oxide ("MZ-500" manufactured by Tayca Corporation, specific surface area: 50m 2 / g, average particle diameter: 25nm), and then put the mixture into a twin-screw extruder (manufactured by Toshiba Machine Co., Ltd. "TEM-37BS"), and melt kneading at 270 to 300°C to obtain pellets Shaped resin composition (2). About the obtained resin composition (2), it carried out similarly to Example 1, and evaluated the silver corrosion acceleration test and formability test.
Embodiment 3
[0055] 60 parts by mass of PET, 35 parts by mass of barium sulfate, and 3 parts by mass of zinc oxide (manufactured by Tayca Corporation "MZ-500", specific surface area: 50 m 2 / g, average particle diameter: 25nm), and then put the mixture into a twin-screw extruder (manufactured by Toshiba Machine Co., Ltd. "TEM-37BS"), and melt kneading at 270 to 300°C to obtain pellets Shaped resin composition (3). The obtained resin composition (3) was evaluated in the same manner as in Example 1 by performing a silver corrosion acceleration test and a formability test.
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