Patent ID: 6849569

Claim:
An initiator system, comprising: a complexed initiator comprising an organoborane complex; and a β-ketone compound decomplexer having a structure represented by formula (1) or formula (2): wherein: for formula (1): R 1 is hydrogen or an organic group; R 2 is an organic group; W 2 is an electron withdrawing group selected from the group consisting of —O 2 C—, —(CO)—, —HN(CO)—, and —NR 3 (CO)—; where R 3 is an organic group; R 4 is an organic group having valence n; and n is an integer greater than zero; and wherein for formula (2): R 1 is hydrogen or an organic group; R 2 is an organic group; and W 1 is an electron withdrawing group is selected from the group consisting of NC— and H 2 N(CO)—.