▎ 摘　　要

NOVELTY - Graphene containing chemically bonded polypropylene long chain compounds i.e. 2,4-dimethylhexanoic acid (I) are new. USE - Used as graphene containing chemically bonded polypropylene long chain. ADVANTAGE - (I) has good compatibility with polypropylene, heat conducting performance, mechanical property and improves polypropylene material. DETAILED DESCRIPTION - Graphene containing chemically bonded polypropylene long chain compounds i.e. 2,4-dimethylhexanoic acid of formula (I) are new. G = graphene of formula (II). An INDEPENDENT CLAIM is also included for preparation of (I).