Patent ID: 6362280
Filing Date: 2002-03-26
Classification: C08F

Abstract:
An emulsible polyolefin wax having sufficient functionality to be emulsible in an aqueous medium, a melt viscosity of less than 1,000 cps at 190Â° C., a Gardner color index of no greater than about 9, and an emulsion light transmittance of at least 10% at 525 nm with a 20 mm light pathlength, wherein said wax is prepared by reacting maleic anhydride with a starting material of either polypropylene or ethylene-propylene copolymer, wherein said ethylene-propylene copolymer comprises less than about 10% by weight of ethylene, and wherein said maleic anhydride is added to said starting material at a rate of about 8 to 12 wt. % of said starting material per hour.