Silicone Resins

Silicone resins are a resin with a relatively high molecular weight and a three-dimensional network structure, and has superior performance to organic resins in terms of heat resistance, weather resistance, and electrical insulation.

Silicone resins are a group of products whose reactive functional groups are silanol groups (Si-OH) and whose molecular weight is large. The silanol group undergoes a dehydration-condensation reaction when heated, forming a hardened film. Since it is a high molecular weight, it is used in fields where higher heat resistance is required. Originally, most of the products were made with organic solvents, but recently, solid,TX solvent free, and water-based products have been added to the lineup. Addition cure type products with reactive functional groups of vinyl group and hydrosilyl group are also available.

	Silicone Resin	Silicone Oligomer
Reactive functional groups	Silanol group (Si-OH)∗ addition cure type of vinyl group and hydrosilyl group is also available	Alkoxysilyl group (Si-OR)∗ alicyclic epoxy group and acrylic group are also available
Cure method	Heat cure	Room temperature cure
Solvent type	Organic solvents ∗ solids,TX solvent free, and water-based products are also available	Non-solvent (100% silicone content)
How to use	Main component∗ resin hybridizer also available	Main component, Resin modifier
Applicable fields	Areas requiring higher durability (heat resistance, electrical insulation, etc.)	When heating equipment is not available When organic solvents cannot be used Modification of organic resins

Dehydration Condensation Cure Type

One-component curable

Cure Mechanism

Dehydration condensation curing type Curing mechanism

Addition Cure Type

Less Cure Shrinkage

Representative Products

One-component Type:: X-40-2756
Two-component Type:: X-40-2667A/X-40-2667B∗platinum catalyst

Cure Mechanism

Curing Mechanism Addition Cure Type

Classification by Usage

Silicone resins are mainly used as a main component for coating and molding products and as a binder for various fillers, but some products are also used as resin modifiers.