| 摘要 |
<p>THE PRESENT INVENTION RELATES TO BIODEGRADABLE PHA COPOLYMERS COMPRISING AT LEAST TWO RANDOMLY REPEATING MONOMER UNITS. THE PRESENT INVENTION FURTHER RELATES TO A PLASTIC ARTICLE COMPRISING A BIODEGRADABLE COPOLYMER, WHEREIN THE BIODEGRADABLE COPOLYMER COMPRISES AT LEAST TWO RANDOMLY REPEATING MONOMER UNITS (RRMU) WHEREIN THE FIRST RRMU HAS THE STRUCTURE @FORMULA@ WHEREIN R1 IS H, OR C1 OR C2 ALKYL, AND N IS 1 OR 2; THE SECOND RRMU HAS THE STRUCTURE @FORMULA@ AND WHEREIN AT LEAST 50OF THE RRMUS HAVE THE STRUCTURE OF THE FIRST RRMU. THE PRESENT INVENTION FURTHER RELATES TO AN ABSORBENT ARTICLE COMPRISING A LIQUID PERVIOUS TOPSHEET, A LIQUID IMPERVIOUS BACKSHEET COMPRISING A FILM COMPRISING A PHA OF THE PRESENT INVENTION AND AN ABSORBENT CORE POSITIONED BETWEEN THE TOPSHEET AND THE BACKSHEET.</p> |
