A polyetherimide composition comprises: a polyetherimide; and an organophosphorus stabilizer present in an amount effective to provide greater than 0.01 ppm to less than 20 ppm, preferably greater than 0.01 ppm to less than 10 ppm, and more preferably greater than 0.01 ppm to less than 4.8 ppm of phosphorus based on the total weight of the polyetherimide composition, the organophosphorus stabilizer having a molecular weight of 300 to 2,000 Daltons and a phosphorus content of 1 to 15 wt %; wherein a molded sample of the polyetherimide composition has a UL 94 V0 rating at a thickness of 1.5 mm.

A polyetherimide composition comprises: a polyetherimide; and an organophosphorus stabilizer present in an amount effective to provide greater than 0.01 ppm to less than 20 ppm, preferably greater than 0.01 ppm to less than 10 ppm, and more preferably greater than 0.01 ppm to less than 4.8 ppm of phosphorus based on the total weight of the polyetherimide composition, the organophosphorus stabilizer having a molecular weight of 300 to 2,000 Daltons and a phosphorus content of 1 to 15 wt %; wherein a molded sample of the polyetherimide composition has a UL 94 V0 rating at a thickness of 1.5 mm.

A polyetherimide composition comprises: a polyetherimide; and an organophosphorus stabilizer present in an amount effective to provide greater than 0.01 ppm to less than 20 ppm, preferably greater than 0.01 ppm to less than 10 ppm, and more preferably greater than 0.01 ppm to less than 4.8 ppm of phosphorus based on the total weight of the polyetherimide composition, the organophosphorus stabilizer having a molecular weight of 300 to 2,000 Daltons and a phosphorus content of 1 to 15 wt %; wherein a molded sample of the polyetherimide composition has a UL 94 V0 rating at a thickness of 1.5 mm.

The present invention relates to a novel phosphite compound represented by the formula (I):

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, an alkylcycloalkyl group having 6 to 12 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, or an aryl group having 6 to 12 carbon atoms, a process for producing the same, and uses thereof as a stabilizer for an organic material.

The present invention relates to a novel phosphite compound represented by the formula (I):

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, an alkylcycloalkyl group having 6 to 12 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, or an aryl group having 6 to 12 carbon atoms, a process for producing the same, and uses thereof as a stabilizer for an organic material.

The present invention relates to a novel phosphite compound represented by the formula (I):

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, an alkylcycloalkyl group having 6 to 12 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, or an aryl group having 6 to 12 carbon atoms, a process for producing the same, and uses thereof as a stabilizer for an organic material.

This invention relates to an oriented polyethylene film comprising polyethylene having: (A) a melt flow index of 1.0 g/10 min or more, (B) a density of 0.90 g/cm.sup.3 to less than 0.940 g/cm.sup.3, (C) a g′.sub.LCB of greater than 0.8, (D) ratio of comonomer content at Mz to comonomer content at Mw is greater than 1.0, (E) ratio of comonomer content at Mn to comonomer content at Mw is greater than 1.0, and (F) a ratio of the g′.sub.LCB to the g′.sub.Zave is greater than 1.0, where the film has a 1% secant in the transverse direction of 70,000 psi or more and Dart Drop of 350 g/mil or more.

This invention relates to an oriented polyethylene film comprising polyethylene having: (A) a melt flow index of 1.0 g/10 min or more, (B) a density of 0.90 g/cm.sup.3 to less than 0.940 g/cm.sup.3, (C) a g′.sub.LCB of greater than 0.8, (D) ratio of comonomer content at Mz to comonomer content at Mw is greater than 1.0, (E) ratio of comonomer content at Mn to comonomer content at Mw is greater than 1.0, and (F) a ratio of the g′.sub.LCB to the g′.sub.Zave is greater than 1.0, where the film has a 1% secant in the transverse direction of 70,000 psi or more and Dart Drop of 350 g/mil or more.

A polyphosphonate resin composition of the present invention comprises: about 100 parts by weight of a polyphosphonate resin containing a repeating unit represented by chemical formula 1; and about 0.01 to about 0.05 parts by weight of a phosphite compound containing at least one of diphenyl hydrogen phosphite and a phosphite compound represented by chemical formula 2. The polyphosphonate resin composition has excellent heat resistance, wet heat stability, discoloration resistance, flame retardancy, and the like.

A resin composition, including an aromatic polycarbonate resin, wherein when colorimetry is performed by using a molded body for optical characteristic measurement formed of the resin composition, the molded body including an entering portion from which light enters, an emitting portion from which the entered light is emitted, and a light-guiding portion configured to guide the light that has entered from the entering portion to the emitting portion, and the light-guiding portion including an optical path having such a curvature that the entered light is totally reflected, and by using a white light-emitting diode as a light source, a difference (Y2−Y1) between a y(Y1) of the molded body for optical characteristic measurement in a CIE 1931 color system at a position of a light-guiding path distant from the entering portion by 125 mm.