C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 15/32 (2006.01) C07B 63/04 (2006.01) C07C 7/20 (2006.01) C07C 17/42 (2006.01) C07C 51/50 (2006.01)
Patent
CA 2276050
Methods and compositions for inhibiting fouling in vinyl monomers are disclosed. Alkylphosphonate esters or acids thereof are added to vinyl monomers, particularly ethylene dichloride, that are undergoing processing to inhibit fouling.
Cette invention se rapporte à des procédés et à des compositions d'inhibition de l'encrassement des monomères vinyliques. On ajoute des esters d'alkylphosphonate, ou des esters acides associés, à des monomères vinyliques, et notamment au dichlorure d'éthylène, auxquels on fait subir un traitement contre l'encrassement.
Betzdearborn Inc.
Borden Ladner Gervais Llp
Ge Betz Inc.
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