▎ 摘　　要

NOVELTY - Cyclic silicon-hydrogen bond-containing crosslinking agent comprises 200 pts. wt. γ-methacryloxypropyltrimethoxysilane, 100-120 pts. wt. tetramethylcyclotetrasiloxane with hydrogen content of 1.6%, 1-5 pts. wt. graphene oxide, 0.02-0.04 pt. wt. first platinum catalyst and 0.008-0.02 pt. wt. methylbutynol. USE - The crosslinking agent is useful in preparing adhesive sealant composition for inductors (claimed). ADVANTAGE - The crosslinking agent: endows the colloid with excellent adhesiveness for adhesive sealant composition; forms sealing ring with high strength and tight adhesion with the aluminum shell of the inductor when cured at 120 ℃; has excellent sealing, waterproof and shockproof performance, and realizes the complex tooling process of replacing the existing sealing ring with 3 M adhesive tape in simple and efficient way; is suitable for rapid construction and sealing requirements, and efficiently solves the problem of photovoltaic inductor sealing ring tooling. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: Preparing cyclic silicon-hydrogen bond-containing crosslinking agent, comprising (1) taking γ-methacryloxypropyltrimethoxysilane, tetramethylcyclotetrasiloxane and graphene oxide with a hydrogen content of 1.6%, controlling the temperature at 25 ± 2 ℃, adding the first platinum catalyst dropwise while stirring at a stirring speed of 200-220 revolutions/minute, performing heat preservation and stirring for 5-10 minutes to obtain the first reactant, (2) maintaining the stirring speed of 200-220 revolutions/minute, raising the temperature of the first reactant to 80 ± 2 ℃, and maintaining the temperature for 120 ± 10 minutes to obtain the second reactant, and (3) cooling the temperature of the second reactant to 25 ± 2 ℃, adding methylbutynol and mixing uniformly under continuous stirring to obtain final product; Adhesive sealant composition for inductors comprising 100 pts. wt. vinyl-terminated polydimethylsiloxane, 10-25 pts. wt. fumed silica, 0.01-0.05 pt. wt. inhibitor, 3-6 pts. wt. cyclic silicon-hydrogen bond-containing crosslinking agent and 0.8 pt. wt. second platinum catalyst; and Preparing adhesive sealant composition, comprising (I) heating vinyl-terminated polydimethylsiloxane and fumed silica under the first stirring condition to obtain reactant A, (II) heating the reactant A to 120-130 ℃ under the second stirring condition, removing low molecules by vacuum to obtain the reactant B, (III) cooling the reactant B to 5 ± 2 ℃, adding cyclic silicon-hydrogen bond-containing crosslinking agent and inhibitor, and reacting in vacuum under the third stirring condition to obtain reactant C, and (IV) adding the second platinum catalyst to the reactant C, and reacting in vacuum under the fourth stirring condition to obtain product.