C CHEMISTRY; METALLURGY
C08 ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2205/00 Polymer mixtures characterised by other features
C08L2205/02 containing two or more polymers of the same C08L -group
C08L2205/025 containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure