1. Use surfactants to blend polymers;Gaylord;Chemtech,1989
2. Caywood, S. W., Thermoplastic elastomers containing an adduct prepared from maleic anhydride and an elastomeric copolymer. Patent DE 2.401.149 to Du Pont (US Appl. 10 Jan. 1973).
3. Elliot, R. L. & Gardiner, J. B., Improved lubricating oil additives. Patent DE 2.818.012 to Exxon R&D Co. (US Appl. 29 Apr. 1977).
4. Functionalization of an amorphous ethylene-propylene copolymer by free radical initiated grafting of unsaturated molecules;De Vito;J. Polymer Science, Polym. Chem. Ed.,1984
5. The reaction of polypropylene with maleic anhydride;Minoura;J. Applied Polymer Science,1969