MQ silicone resin is a unique silicone resin. It is a silicone resin composed of tetrafunctional siloxane polycondensation chains (Q) and monofunctional siloxane chains (M). Its molar mass is generally 1000 -8000, the ratio of the amount of M chains to Q chains in the molecular structure and the structure determine the properties and application range of silicone resin. MQ silicone resin has many different types due to the different organic groups R on the spherical shell: when R is all methyl, it is called methyl MQ silicone resin or MQ silicone resin for short; when part of R is vinyl, It is called methyl vinyl MQ silicone resin; when part R is H, it is called methyl hydrogen-containing MQ silicone resin; there are also methyl phenyl MQ silicone resin, vinyl MQ silicone resin, phenyl MQ silicone resin, and fluorine-containing MQ silicone resin. Silicone resin, MDQ, MTQ silicone resin, etc.
application:
1. Silicone rubber reinforcing filler: MQ silicone resin is used as a reinforcing agent. Liquid silicone rubber products have certain mechanical strength and high light transmittance, and the rubber material has good fluidity before vulcanization;
2. Silicone pressure-sensitive adhesive reinforcement tackifier: adjust cohesion, adhesion and initial tack; 3. Defoamer field: improve the high temperature resistance, strong alkali resistance and antifoaming performance of the defoamer; 4 , Mold release agent field: improve the mold release durability of the release agent, and the release effect for high adhesive resins (such as polyurethane, epoxy resin, etc.) is more ideal;
5. Water repellent field: The structure of polysiloxane determines that silicone resin is hydrophobic, and its contact angle with water is greater than 90°, so it is used in waterproof materials. 6. Cosmetics field: as a surface protective coating film, which can eliminate the stickiness of silicone oil, improve slipperiness, scratch resistance, and increase gloss; 7. Peeling regulator of addition-type anti-adhesive agent: vinyl MQ silicone resin can As a peel regulator for addition-type anti-adhesives;


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