A resin composition, a copper-clad laminate using the same, and a printed circuit board using the same are introduced. The resin composition comprises a specific phosphorus-containing salt and a prepolymer of vinyl-containing polyphenylene ether. The resin composition features specific ingredients and proportion to thereby achieve satisfactory properties of prepreg made from the resin composition, and attain satisfactory laminate properties, such as high degree of heat resistance and satisfactory dielectric properties, and thus is suitable for producing a prepreg or a resin film to thereby be applicable to copper-clad laminates and printed circuit boards.

A resin composition, a copper-clad laminate using the same, and a printed circuit board using the same are introduced. The resin composition comprises a specific phosphorus-containing salt and a prepolymer of vinyl-containing polyphenylene ether. The resin composition features specific ingredients and proportion to thereby achieve satisfactory properties of prepreg made from the resin composition, and attain satisfactory laminate properties, such as high degree of heat resistance and satisfactory dielectric properties, and thus is suitable for producing a prepreg or a resin film to thereby be applicable to copper-clad laminates and printed circuit boards.

The invention concerns the combined use, in an elastomer composition preferably comprising an isoprene elastomer, a precipitated silica containing titanium and a specific conjugated diene compound, such as a conjugated diene phosphonate or phosphinate compound. It also concerns the elastomer compositions obtained and the items produced from said compositions.

The invention concerns the combined use, in an elastomer composition preferably comprising an isoprene elastomer, a precipitated silica containing titanium and a specific conjugated diene compound, such as a conjugated diene phosphonate or phosphinate compound. It also concerns the elastomer compositions obtained and the items produced from said compositions.

The invention concerns the combined use, in an elastomer composition preferably comprising an isoprene elastomer, a precipitated silica containing titanium and a specific conjugated diene compound, such as a conjugated diene phosphonate or phosphinate compound. It also concerns the elastomer compositions obtained and the items produced from said compositions.

A composition contains a thermoplastic polyisocyanate polyaddition product and a flame retardant, and essentially contains no melamine cyanuric acid. The polyaddition product is obtained by reacting, a substance reactive with isocyanate, a polyisocyanate, a chain extender, and is eventually in the presence of a catalyst and an additive. The flame retardant contains a phosphinate.

A composition contains a thermoplastic polyisocyanate polyaddition product and a flame retardant, and essentially contains no melamine cyanuric acid. The polyaddition product is obtained by reacting, a substance reactive with isocyanate, a polyisocyanate, a chain extender, and is eventually in the presence of a catalyst and an additive. The flame retardant contains a phosphinate.

A diffusing agent composition and a method for producing a semiconductor substrate using the diffusing agent composition. The diffusing agent composition includes an impurity diffusing component which is a phosphorus compound, and a solvent. The phosphorus compound has a stabilization energy of −3 kcal/mol or less, and is in an amount of 80% by mass or more relative to a total solid content in the diffusing agent composition.

Embodiments herein relate to a polymer film comprising an anti-blushing composition in a blend comprising polyethylene terephthalate (PET) and polybutylene terephthalate (PBT); wherein the blend has an intrinsic viscosity above 0.75 and contains at least 50 wt. % of PBT; wherein the anti-blushing composition comprises a phosphorus containing compound but excludes certain phosphorus compounds; and wherein the anti-blushing composition is configured to prevent blushing in the polymer film laminated directly to a metal sheet and exposed to steam at a temperature of 260° F. for 90 minutes.

The present invention provides an aqueous polymer composition and an aqueous coating composition comprising such aqueous polymer composition that shows balanced stain resistance, freeze-thaw stability, and anti-clogging properties.