| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Charging reactor with allyl alc., 10-30% of total styrene & 45-75% of total free-radical initiator - Heat. to 125-185C - Gradually adding to mixt at decreasing rate remaining styrene & initiator while adjusting styrene/allyl alc. such that MW = 2000-10,000 & hydroxyl number 50-150 mg KOH/ g Wherein styrene/allyl alc. used is 0.6-5 & yield of copolymer is enhanced due to gradual addition of initiator |
| PATENT PHOTOCOPY | Available on request |
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