Method of producing chlorinated EVA

Details Method of producing chlorinated EVA Method of producing chlorinated EVA

1990-11-05

1992-05-26

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560266, C07C 6962, C07C 6702

Patent

active

051170450

ABSTRACT:
The invention relates to a method for producing solvent-soluble chlorinated ethylene-vinyl acetate copolymer by conducting homogeneous chlorination of ethylene-vinyl acetate copolymer in aqueous suspension by irradiation or by organic or inorganic radical generation, which method comprises conducting the chlorination upon a powder of ethylene-vinyl acetate copolymer containing 5 to 35 wt % of vinyl acetate and having a specific surface area of not less than 300 cm.sup.2 /g at a reaction temperature dependent upon the content of vinyl acetate as expressed in the relationship:

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patent: 4421664 (1983-12-01), Anderson
patent: 4489210 (1984-12-01), Judat et al.
Lippold, B. et al., Acta Pharm Technol. 30(2), 140-54, 1984.
Li, H. et al., Nanjing Yaoxueyuan Xuebao, 15(1) 57-60, 1984.
Kusvcoua, M., Petrochemia, 20(2) 52-8, 1980.
Von Fraunhofer, J. A. et al., Paint Technol., 35(1) 5-11, 1971.

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