<p> Supporting information</p><p>Effective reinforcement of epoxy composites with hyperbranched liquid crystals grafted on microcrystalline cellulose fibers Qiyun Luo†,Yuqi Li*,†, Lulu Pan , Laifu Song, Jin yang, Lingyan Wu and Shaorong Lu*,† † Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China. Corresponding Author *E-mail: [email protected]; [email protected]</p><p>Fig.S1 XPS analysis of HLP-MCFs Fig. S2 XRD analysis of MCFS and HLP-MCFs</p><p>Table S1 The crystallinity of MCFs and HLP-MCFs Samples Crystallinity MCFs 55.3% HLP- 55.7% MCFs Fig. S3 SEM images of (a) MCFS and (b) HLP-MCFs</p><p>Fig. S4 EDX spectrum of the marked area of (a) MCFS and (b) HLP-MCFs. Fig. S5 Storage modulus (a) and tanδ (b) of neat epoxy, MCFs/epoxy composites and HLP- MCFs/epoxy composites</p><p>Table.S1 The mechanical properties of neat epoxy, MCFs/epoxy composites and HLP-MCFs/epoxy composites Impact Tensile Flexural Flexural strength strength strength modulus (MPa) (KJ·m-2) (MPa) (MPa) Neat 17.5±0.9 55.4±1.3 79.5±2.5 1029±63.0 epoxy HLP- 40.4±2.5 93.6±5.8 127.4±8.6 3005±38.9 MCFs （ 1.0wt ） MCFs （ 25.3±4.5 68.7±2.2 104.0±1.3 2870±31.8 1.0wt ）</p>