Abstract: A transmission screen sheet which is given a large number of lens-like forms on the surface like ridges and has a thickness of 0.1 to 2.0 mm, wherein (i) the sheet is formed from a thermoplastic resin whose inclination (W) obtained from the relationship between melt viscosity (Y) and load (X) satisfies the following expression (1) when the melt viscosity is in the range of 102 to 103 Pa·s, and (i) the lens-like forms change in height substantially non-stepwise from the center portion or a portion near the center portion to the end portions of the sheet in a direction perpendicular to the ridges: 2×10−2≦W≦6×10−2  (1) wherein W is represented by the following equation: W=−(log Y/X) wherein X is a load (MPa) and Y is the melt viscosity (Pa·s) of the resin.

Abstract: A transmission screen sheet which is given a large number of lens-like forms on the surface like ridges and has a thickness of 0.1 to 2.0 mm, wherein (i) the sheet is formed from a thermoplastic resin whose inclination (W) obtained from the relationship between melt viscosity (Y) and load (X) satisfies the following expression (1) when the melt viscosity is in the range of 102 to 103 Pa.

Abstract: A modified aromatic polycarbonate resin containing at least one substituted phenyloxy group of the formula (I) in an amount of at least 5 mol % of the total amount of terminals, ##STR1## wherein: X is a halogen atom or a monovalent aliphatic hydrocarbon group having 1 to 10 carbon atoms,p is an integer of 0 to 4, and ##STR2## The present invention provide a modified aromatic polycarbonate resin of which the melt fluidity and electric properties are improved without impairing the excellent properties inherent to a polycarbonate resin such as transparency, heat resistance and dimensional stability.

Abstract: A polycarbonate resin composition comprising a blended mixture of(A) 100 parts by weight of a polycarbonate resin having a viscosity average molecular weight of from about 13,000 to about 18,000,(B) 0.01 to 0.1 part by weight of a partial ester of a monobasic fatty acid having 10 to 22 carbon atoms with a polyhydric alcohol having 2 to 10 carbon atoms,(C) 0.001 to 0.01 part by weight of trimethyl phosphate, and(D) 0.00001 to 0.002 part by weight, calculated as phosphorus atoms, of a phosphite ester having 9 to 60 carbon atoms.

Abstract: A polycarbonate resin composition comprising a blended mixture of(A) a polycarbonate resin having a viscosity average molecular weight of from about 13,000 to about 18,000,(B) 0.0001 to less than 0.02% by weight, based on the weight of the resin (A), of an organic phosphine, and(C) 0 to 0.5% by weight, based on the weight of the resin (A), of a partial ester of a monobasic fatty acid having 10 to 22 carbon atoms with a polyhydric alcohol having 2 to 10 carbon atoms,the amount of the partial ester (C) being 0.01 to 0.5% by weight when the amount of the organic phosphine (B) is not less than 0.005% by weight, and said composition containing less than 0.004%, based on the weight of the resin (A), of chlorine.