FIELD: chemistry.
SUBSTANCE: invention relates to copolymers capable of preventing adhesion of thrombocytes and proteins in contact with a biological component, such as blood, for a long period of time. Disclosed is a copolymer comprising a hydrophilic link selected from vinylpyrrolidone and vinylcaprolactam, and a hydrophobic link comprising at least one vinylcarboxylate link having from 2 to 7 carbon atoms in the side chain. Disclosed copolymer has a number-average molecular weight of 2000 or more, and the molar ratio of the hydrophilic link in terms of the whole copolymer is 50–80 %. Invention also discloses a medical device, a separating membrane module for medical purposes and a blood purification device containing the disclosed copolymer.
EFFECT: technical result is the disclosed copolymer is characterized by high compatibility with blood and its use prevents clogging and spoilage of the corresponding medical devices.
10 cl, 1 dwg, 8 ex, 3 tbl
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