Glass fiber for reinforcing polycarbonate resin and polycarbonate resin formed article

摘要

To provide a glass fiber which can improve the refractive index of the glass fiber to the same level as a polycarbonate and maintain the transmittance of a molded product after the fiber is reinforced, and a glass fiber-reinforced polycarbonate resin molded product using the glass fiber.;A glass fiber to be used as a glass fiber for reinforcing a polycarbonate resin comprising, as inorganic components in whole glass fiber, from 50 to 60 mass % of SiO2, from 10 to 15 mass % of Al2O3, from 15 to 25 mass % of CaO, from 2 to 10 mass % of TiO2, from 2 to 8 mass % of B2O3, from 0 to 5 mass % of MgO, from 0 to 5 mass % of ZnO, from 0 to 5 mass % of BaO, from 0 to 5 mass % of ZrO2, from 0 to 2 mass % of Li2O, from 0 to 2 mass % of Na2O and from 0 to 2 mass % of K2O, wherein the total content of the above Li2O, Na2O and K2O is from 0 to 2 mass % based on the above whole glass fiber, and the refractive index of the above glass fiber is from 1.580 to 1.590.

主权项

1. A glass fiber for reinforcing a polycarbonate resin comprising, as inorganic components in the whole glass fiber:
from 50 to 60 mass % of silicon dioxide (SiO2), from 10 to 15 mass % of aluminum oxide (Al2O3), from 15 to 25 mass % of calcium oxide (CaO), from 4.1 to 5 mass % of titanium oxide (TiO2), from 0 to 5 mass % of magnesium oxide (MgO), from 0 to 3.9 mass % of zinc oxide (ZnO), from 0 to 3.9 mass % of barium oxide (BaO), 0 mass % of zirconium oxide (ZrO2), from 0 to less than 1.0 mass % of lithium oxide (Li2O), from 0 to less than 1.0 mass % of sodium oxide (Na2O) and from 0 to less than 1.0 mass % of potassium oxide (K2O), wherein a total content of the lithium oxide (Li2O), sodium oxide (Na2O) and potassium oxide (K2O) is less than 1.0 mass %, a total content of the zinc oxide (ZnO) and barium oxide (BaO) is from 1 to 3.9 mass %, a total content of the titanium oxide (TiO2), zinc oxide (ZnO) and barium oxide (BaO) is from 6 to 8 mass %, and the refractive index of the above glass fiber is from 1.583 to 1.586.