| 摘要 |
Adhesive for non-woven fabrics which comprises a block polymeric composition of the type A-B, wherein A represents the block of monoalkenylarene and B represents the block of 1,3-butadiene as such or at various degrees of hydrogenation, consisting of: a) from 15 to 50% by weight of uncoupled linear structures of the type A-B, b) coupled radial structures having general formula (A-B)4-M in a quantity of between 50 and 85% by weight, wherein M is a tetravalent metal, preferably Silicon. |
