*2.1. Materials*

To prepare thermoplastic silicone rubber, we used the following materials: methyl vinyl silicone rubber (HCR 9670 UE, Lanxingxinghuo Silicone Co., Ltd., Jiujiang, China), SEBS (YH-602T, Baling Petrochemical Branch of Sinopec Group, Yueyang, China), SBS (D1155JOP, Kraton, Belpre, OH, USA), white oil (250N, Wanghai Petrochemical Co., Ltd., Taizhou, China), silane coupling agent KH-907 (γ-isocyanatopropyl triethoxysilane, Jessica Chemical Co., Ltd., Hangzhou China), platinum catalyst (Daxi Chemical Raw Materials Co., Ltd., Guangzhou, China), and hydrogen-containing silicone oil (hydrogen content 1.6%, Xinglongda New Materials Co., Ltd., Jinan, China).
