[C:1]([OH:6])(=[O:5])[C:2]([CH3:4])=[CH2:3]>O>[CH2:1]=[CH:2][CH3:3].[C:1]([OH:6])(=[O:5])[C:2]([CH3:4])=[CH2:3]A modified resinous polymer of propylene containing approximately 10% by weight methacrylic acid was prepared as follows: 0.5 grams of Lupersol 256 Peroxide (peroxyhexanoic acid manufactured by Wallace & Tiernan Inc., Lucidol Division) was added to a reactor containing 200 grams of substantially crystalline homopolymeric polypropylene powder, 25 grams of methacrylic acid and 600 grams of water. The mixture was then heated at just below reflux temperature, about 95° C., for one hour. The product was filtered and washed with water followed by acetone and then dried in a vacuum oven at 75° C. for two hours. The modified resinous polymer of propylene weighed 225.6 grams.
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