Polymerization initiator composition comprising an organic boron compound monomer (A), polymer (B), and wound dressing composition soft tissue adhesive composition of the present invention, or a wound dressing adhesive composition, (C) soft tissue adhesive composition containing, a wound dressing composition or wound dressing adhesive composition, the viscosity of 30 seconds after mixing the above (A), (B) and (C) is 0.4 and is characterized in that it is in the range of ~75,000cp. Hazard and low toxicity, not only have high adhesive strength, has excellent workability at the time of coating, the composition of the present invention is excellent in properties of the film formed.本発明の軟組織用接着剤組成物、創傷被覆用接着剤組成物又は創傷被覆剤組成物は、モノマー(A)、重合体(B)、及び有機ホウ素化合物を含む重合開始剤組成物(C)を含有する軟組織用接着剤組成物、創傷被覆用接着剤組成物又は創傷被覆剤組成物であり、上記(A)、(B)及び(C)の混合後30秒以内の粘度が0.4~75,000cpの範囲にあることを特徴とする。本発明の上記組成物は、毒性及び有害性が低く、高い接着強さを有するだけでなく、塗布する際の作業性に優れ、形成されるフィルムの特性にも優れる。
