Blood separating agent

Details Blood separating agent Blood separating agent

C - Chemistry, Metallurgy

09

K

167/114

C09K 3/00 (2006.01) G01N 33/49 (2006.01)

Patent

CA 2006620

ABSTRACT OF THE DISCLOSURE A blood separating agent comprising (A) a separated layers forming material formed of a copolymer of an .alpha.-olefin of 6 to 20 carbon atoms with a maleic diester and possessing a compositional ratio of 1.0 to 1.4 mols of the maleic diester per 1.0 mol of the .alpha.-olefin in the copolymer and a viscosity in the range of 100,000 to 250,000 centipoises at 25°C (B) 0.12 to 0.30 part by weight, based on 100 parts by weight of said separated layers forming material, of an organic gelling agent formed of` a condensate of sorbitol and an aromatic aldehyde and the blood separating agent possessing a specific gravity in the range of 1.028 to 1.050 (at 25°C), and a blood separating tube having encapsulated in a blind tube the blood separating agent.

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