Solvent‑Free Liquid MQ Silicone Resin 100% Solids CAS 67763‑19‑3 is low‑viscosity liquid M‑Q silicone resin manufactured by controlled co‑hydrolysis and polycondensation of methyl silane and tetrafunctional silicate monomers with complete removal of volatile fractions. It features 100% non‑volatile solids, zero‑VOC property and liquid pump‑able state at ambient temperature. It is directly used as modifying and film‑forming component for solvent‑free coatings, high‑temperature adhesives and silic

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Solvent‑Free Liquid MQ Silicone Resin 100% Solids CAS 67763‑19‑3, Zero‑VOC Ready‑to‑Use MQ Resin for Coating Adhesive & Sealant

This solvent‑free liquid MQ silicone resin is synthesized via precise co‑hydrolysis and polycondensation of methyl alkoxysilane and tetraalkoxysilane precursors. Strict vacuum distillation processing eliminates residual low‑molecular‑weight siloxanes and volatile fractions to achieve 100% solids. The molecular framework consists of monofunctional M‑units and tetrafunctional Q‑units. The M/Q molar ratio is tightly controlled during synthesis to maintain liquid flowable state at room‑temperature, instead of forming solid flake or powder. Adjustment of molecular weight distribution governs bulk viscosity, compatibility and cross‑linking behavior for downstream formulation.

Different from conventional MQ silicone resin solutions diluted with aromatic solvents, this liquid 100%‑solids grade eliminates organic solvent entirely. It reduces fire hazards during storage and production, complies with low‑VOC formulation requirements, and cuts solvent‑emission costs for coating, adhesive and sealant manufacturers. Its pumpable liquid character allows convenient metering, transferring and inline feeding for automated production lines.

When utilized in solvent‑free silicone coating systems, the liquid MQ resin acts as a key film‑forming and reinforcing component. After thermal or catalytic curing, it builds a rigid continuous silicone film. The cured coating delivers enhanced surface hardness, scratch resistance, water repellency and long‑term thermal‑oxidative stability, suitable for high‑temperature protective coatings and heavy‑duty industrial topcoats.

For high‑performance silicone adhesive formulations, this MQ resin improves cohesive modulus and high‑temperature holding strength. It suppresses hot creep under sustained thermal stress and strengthens bonding performance on metal, glass and ceramic substrates. In sealant systems, it increases tear resistance and surface hardness of cured sealant, while retaining appropriate elastic deformation capacity to accommodate thermal expansion and contraction of joint gaps.

The resin exhibits good compatibility with various liquid silicone polymers, hydrogen‑containing crosslinkers and functional silicone fluids. Special attention should be paid to formulation viscosity build‑up. Since there is no solvent for viscosity dilution, blending with high‑viscosity base polymers may sharply raise overall system viscosity. Curing catalyst selection must match the functional groups present within the complete formulation system.

During compounding processing, moderate‑speed stirring is recommended for homogeneous blending with other silicone components. High‑speed violent shearing should be avoided, as excessive frictional heat may trigger premature cross‑linking and local gelation. If curing catalysts are required, catalyst should be added in the final mixing stage to extend working pot‑life. Strict filtration before filling is helpful for removing tiny gel particles and guaranteeing finished product quality.

The product requires hermetically sealed storage under cool and dry conditions. Storage temperature should be controlled to avoid gradual viscosity drifting caused by slow molecular rearrangement. Cross‑contamination with acidic, alkaline substances or curing catalysts must be strictly prevented during material handling, which would initiate premature curing inside the bulk resin. This zero‑VOC solvent‑free liquid MQ silicone resin serves as a high‑performance ready‑to‑use modifying raw material for solvent‑free industrial coatings, high‑temperature adhesives and silicone sealant production.

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.