| 摘要 |
Disclosed are graft copolymers based on a polyamide that is reacted with maleic anhydride and contains at least one vinylically unsaturated side chain, said grafted side chain containing at least one representative selected from a) N-vinylcaprolactam and/or b) N-vinylpyrrolidone. Natural and synthetic polyamides, inter alia, are used as preferred polyamide components. Such graft copolymers and polyamide-based graft copolymers in general which are composed of at least one side chain containing ethylenically unsaturated compounds are generally suitable in construction-related chemical applications, for developing, exploiting, and completing underground crude oil and natural gas reservoirs, in deep wells, and for conducting and transporting oil or gas, in the last instance especially as a gas hydrate inhibitor. |
