abstract |
The present invention comprises an anionic urethane resin (A) having a flow start temperature of 100 ° C. or lower, a neutralizing agent (B), a carbodiimide crosslinking agent (C), and an aqueous medium (D). An adhesive is provided. Moreover, this invention provides the synthetic leather characterized by having a base material (i), the contact bonding layer (ii) formed with the said adhesive agent, and an outer skin layer (iii) at least. The carbodiimide crosslinking agent (C) includes 1,3-bis (1-methyl-1-isocyanatoethyl) benzene, 1,4-bis (1-methyl-1-isocyanatoethyl) benzene, and dicyclohexylmethane diisocyanate. It is preferable to use one or more polyisocyanates selected from the group consisting of |