| 摘要 |
Disclosed is a solvent-free polyurethane adhesive composition having high adhesive strength at low temperatures. The solvent-free polyurethane adhesive composition includes: a main material part which includes a polyol mixture, 1,3-propanediol, a filler, a moisture absorbent, pigment paste, and a thickening agent; and a curing agent part which includes urethane prepolymers, a thickening agent, and a moisture absorbent. The polyol mixture includes isocyanate-added polyol obtained by reaction of oil-modified polyol with isophorone diisocyanate (IPDI) and polytetramethylene diol (PTMD), xylene-modified polyol, and polyoxypropylene polyol. |
