摘要:
Block copolymer comprising at least two kinds of polymer components each having a different structural unit in the polymer selected from polyamide, polyester, polycarbonate and polyarylate. The present block copolymer has a distinguished moldability and can be produced even from rework products or recycle products in a simple and economical manner.
摘要:
In a direct type point light source backlight using point light sources, a light diffuser is provided that can achieve coexistence of superior luminance, luminance uniformity (front and oblique views), and a color unevenness characteristic even with a desired backlight thickness and a few number of point light sources without using a number of optical films together.Specifically, provided is a light diffuser for point light sources, the light diffuser having a plurality of convex portions formed on a surface thereof, wherein the convex portion has a substantially triangular pyramid shape whose bottom surface is a triangle, and an inclined angle θ with respect to a bottom surface of a side surface of the substantially triangular pyramid shape and a refractive index A of a material forming the convex portion satisfy the following equations (1) and (2). θ≧−40A°+115.2° (1) θ≦25A°+22.25° (2)
摘要:
A thermoplastic resin composition which comprises (A) 1 to 99 parts by weight of polytrimethylene terephthalate and (B) 99 to 1 part by weight of a polycarbonate, wherein the ingredient (A) crystallization enthalpy, ΔHcc, which is obtained when the thermoplastic resin composition is heated from 0 ° C. at a rate of 20° C./min is 0 to 15 J/g.
摘要:
According to the present invention, a thermoplastic resin composition having not only extremely excellent mechanical properties and moldability but also excellent appearance, impact resistance, heat resistance, and rigidity when heated can be provided. The present invention is expected to greatly contribute to meeting the requirements for improved high performance and high functionality demanded in various applications, such as automobile exterior parts or outer plate parts, automobile interior parts, automobile underhood parts, two-wheeled vehicle parts, parts used in home furniture, items used in office automation equipments, items used in electricals and electronics, and items used in industrial applications.
摘要:
A flame retardant polytrimethylene terephthalate resin composition, comprising: 30 to 99 parts by weight of (A) a polytrimethylene terephthalate resin, and 1 to 70 parts by weight of at least one flame retardant selected from the group consisting of (B-1) phosphorus-containing flame retardant and (B-2) nitrogen-containing flame retardant, is disclosed. The composition has superior mechanical characteristics, chemical resistance, electrical characteristics, weatherability, heat aging resistance and hydrolysis resistance, and has superior moldability, good appearance with less warpage deformation when molded, and furthermore has superior flame retardance and does not generate highly corrosive hydrogen halide gas upon combustion.