To provide a back door inner panel for a vehicle capable of avoiding deterioration in appearance of an inner panel.SOLUTION: A back door inner panel for a vehicle includes: an inner opening 10 which contains a fiber-reinforced resin as a component material and is provided with a back window C; an opening upper side part 20 which is provided above the vehicle of the inner opening 10 and extends to a vehicle width direction; a skirt part 30 which is positioned below the vehicle of the inner opening 10; and a pair of side parts 40 which are positioned on both of right and left sides of the inner opening 10 and connect the opening upper side part 20 and the skirt part 30, in which the fiber-reinforced resin contains a glass-made fiber reinforcement material and a colorant on a base material formed of a thermoplastic synthetic resin, a color exhibited by the fiber-reinforced resin after curing has a lightness index Lin a CIE1976 Labcolor space of 64 or more and 66 or less, a chromaticness index aof -1 or more and 0 or less, and a chromaticness index bof 2 or more and 4 or less.SELECTED DRAWING: Figure 1
車両用バックドアインナパネル
2021-06-30
Patent
Electronic Resource
Japanese