Self-leveling long-acting mildew-proof silicone adhesive and preparation method thereof

The invention discloses a self-leveling long-acting mildew-proof silicone adhesive and a preparation method thereof. The silicone adhesive comprises the following raw materials in parts by weight: 100 parts of 107 base adhesive; 5 to 15 parts of modified fumed silica; 10 to 35 parts of a plasticizer; 2-9 parts of a cross-linking agent; 0.3 to 2 parts of a coupling agent; 0.1 to 1.5 parts of a mildew preventive; 0.01 to 0.05 part of an organic tin catalyst; the modified fumed silica is obtained by mixing and reacting fumed silica, methoxy silicone oil and a pyrophosphoric acid type monoalkoxy titanate coupling agent according to the mass ratio of 100: (250-400): (0.1-3). The silicone adhesive prepared by the invention has excellent adhesion at definite elongation, self-leveling property, water resistance and long-acting mildew-proof effect. 本申请公开了一种自流平长效防霉硅酮胶及其制备方法，该硅酮胶包括如下如下重量份的原料：107基胶：100份；改性气相白炭黑：5～15份；增塑剂：10～35份；交联剂：2～9份；偶联剂：0.3～2份；防霉剂：0.1～1.5份；有机锡催化剂：0.01～0.05份；所述改性气相白炭黑由质量比为100:(250～400):(0.1～3)的气相白炭黑、甲