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Popular Science! Structure and Properties of MQ Silicone Resin
2025-06-21
Popular Science! Structure and Properties of MQ Silicone Resin
Properties of MQ Silicone Resin
1. Excellent heat resistance and low-temperature performance; usable in environments ranging from -60℃ to +300℃.
2. Good weather resistance, aging resistance, and UV irradiation resistance.
3. Excellent water repellency.
4. Good adhesion performance.
5. Excellent insulation performance.
Application Fields of MQ Silicone Resin
1. Silicone rubber field: Using MQ silicone resin as a reinforcing agent for liquid silicone rubber, the resulting silicone rubber products have a certain mechanical strength and high light transmittance, and the pre-vulcanization material has good fluidity; hydrogen-containing MQ silicone resin can be used as a hand feel regulator and an additive to improve tear resistance for addition-type silicone rubber;
2. Organosilicon Pressure-sensitive adhesive field: MQ silicone resin can be used in pressure-sensitive adhesives to adjust cohesive force, adhesive force, and initial adhesion;
3. Defoaming agent field: The application of MQ silicone resin in defoaming agents can improve the high-temperature resistance, strong alkali resistance, and foam suppression performance of the defoaming agent;
4. Release agent field: The application of MQ silicone resin in release agents can increase the number of release cycles; it is more ideal for releasing highly adhesive resins (such as polyurethane, epoxy resin, etc.);
5. Waterproofing agent field: The structure of polysiloxane determines that silicone resin has water repellency, and its contact angle with water is greater than 90°, so it is applied to waterproof materials.
6. Cosmetics field: Used as a surface protective coating, it can eliminate the stickiness of silicone oil, improve smoothness and scratch resistance, and enhance gloss;
7. Anti-blocking release agent field: Methyl vinyl MQ silicone resin with high vinyl content can be used as a peel strength regulator for addition-type anti-blocking agents; especially for the preparation of heavy peel strength release agents.
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