Patent ID: 6395795
Filing Date: 2002-05-28
Classification: C08J

Abstract:
A foamable polymer comprising organic polymeric compounds and a nucleating agent system having about 50 ppm to about 2,000 ppm titanium dioxide by weight based on the total weight of the composition, about 25 ppm to about 3,000 ppm inorganic salt selected from the group selected from the group consisting of lithium carbonate, calcium carbonate, calcium tetraborate, strontium carbonate, sodium carbonate sodium tetraborate, sodium sulfite, potassium tetraborate potassium pyrosulfate, potassium sulfate, barium nitrate, aluminum phosphate, sodium fluorosilicate and combinations thereof by weight based on the total weight of the composition, and about 100 to about 3,000 ppm sulfonic acid salts, phosphonic acid salts or combinations thereof by weight based on the total weight of the composition.