UV-absorbing polymers, molding compositions, and moldings

摘要

PROBLEM TO BE SOLVED: To provide an ultraviolet absorbing polymer capable of forming a molded product having good compatibility with polyolefin and having good transparency, and for example, suppressing ultraviolet deterioration of the contents when forming a packaging material. A block polymer having an A block and a B block, the A block is a polymer block having a unit represented by the following formula, and the B block is a polymer block containing a (meth) acrylic acid ester unit (however, the following An ultraviolet-absorbing polymer that does not have a unit represented by the formula). (In the formula, R6 is a hydrogen atom or a methyl group, and U is a hydrocarbon group containing a skeleton that absorbs ultraviolet rays.) [Selection diagram] None