Thermoplastic hydrophilic adhesive compositions for attachment on dry and wet surfaces and with increased water adhesion stability

An adhesive composition comprising a thermoplastic hydrophilic homogeneous polymeric matrix, said adhesive composition having an elastic modulus at 37° C., G′37, and a viscous modulus at 37° C., G″37, said thermoplastic hydrophilic homogeneous polymeric matrix having a 24-hour maximum liquid absorption capacity ranging from 0.02 g/g to 5 g/g, and a liquid absorption rate defined by said polymeric matrix having a liquid absorption capacity at 1 min that is at least 15% of said 24-hour maximum liquid absorption capacity;

• wherein said elastic modulus G′37 (1 rad/s) ranges from 100 Pa to 500,000 Pa;
• wherein said elastic modulus G″37 (1 rad/s) ranges from 50 Pa to 200,000 Pa;
• and,
• wherein the ratio G′37 (100 rad/s)/G′37 (1 rad/s)≦20.