摘要 |
<p>A solvent containing adhesive consists of 5-50% (wt.) of a mixture of 100 pts. (wt.) of a stereospecific alternating butadiene-acrylonitrile copolymer, in which the butadiene units are largely in the tran-1,4-configuration and the butadiene and acrylonitrile units are essentially alternating, and 30-100 pts. (wt.) of a phenol resin dissolved in a solvent.</p> |