Section: |
Main.POLYMERS.Process. Processing..Equipment..Inner Surface..Resin Deposits..Purging Compn..Patent.Literature.Claim 1: Mixture in Form: Additive.a) Blowing Agent, b) Abrasive, c).Surfactant & d) Binder Selected:.Hydroxy Stearamide Wax &.Ethylene Bis Stearamide Wax..Claim 2: Blowing Agent is Mixt. of.Coated Sodium Bicarbonate &.Citric Acid. Claim 3: Abrasive:.Calcium Carbonate. Claim 5:.Surfactant: Mineral Oil..Patent Assignee |