Magnetic recording medium

   
   

A magnetic recording medium comprising: a support; an undercoating layer; and a thin ferromagnetic metal layer, in this order, wherein the undercoating layer comprises a reaction product of a mixture comprising a compound represented by the following formula (I):

wherein R represents an organic group having 1 to 40 carbon atoms which may contain a functional group; X represents a hydrolyzable group; a is an integer of 0 to 3; and a+b is 4, and an oligomer of a compound represented by the formula (I) which comprises at least two siloxane bonds and has a viscosity of 4 to 100 mPasec, the mixture comprising at least a compound represented by the formula (I) wherein b is 2 or greater.

 
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