C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 26/06 (2006.01) B01F 17/00 (2006.01) C07C 7/20 (2006.01) C08F 8/30 (2006.01) C08G 69/10 (2006.01) C09K 8/52 (2006.01) C10L 1/195 (2006.01) C10L 1/198 (2006.01) C10L 1/236 (2006.01) C10L 1/238 (2006.01) C10L 1/24 (2006.01) C10L 3/00 (2006.01)
Patent
CA 2231453
Disclosed herein are clathrate hydrate inhibitors and the method of inhibiting the formation, agglomeration, and deposition of clathrate hydrate using the inhibitors. The clathrate hydrate inhibitor comprises a macromolecular compound in which 3 - 15 membered ring pendant is connected to the polymer main chain via a specific spacer group such as homo- or co-polymer of (meth)acryloyl pyrrolidine, pyrrolidinocarbonylethyl (meth)acrylate, 2-oxo- pyrrolidino-ethyl (meth)acrylate, glyoxyloyl pyrrolidine, pyrrolidinocarbonyl aspartate.
La présente invention concerne des inhibiteurs d'hydrates de clathrates et le procédé d'inhibition de la formation, de l'agglomération et du dépôt d'hydrates de clathrates, procédé utilisant ces inhibiteurs. L'inhibiteur d'hydrates de clathrates comprend un composé macromoléculaire dans lequel un noyau pendant comportant de trois à quinze chaînons est relié à la chaîne polymérique principale par l'intermédiaire d'un groupe d'espacement spécifique tel qu'un homopolymère ou un copolymère de pyrrolidine de (méth)acryloyle, de (méth)acrylate de pyrrolidinocarbonyléthyle, de 2-oxo-pyrrolidino-éthyl(méth)acrylate, de pyrrolidine de glyoxyloyle, d'aspartate de pyrrolidinocarbonyle.
Fujii Yoshikazu
Kobayashi Hiroya
Namba Takashi
Saeki Takuya
Nippon Shokubai Co. Ltd.
Riches Mckenzie & Herbert Llp
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