Silicone Oligomers

Resins and Organic Resin Modifiers

Silicone oligomers are resins of relatively low molecular weights whose molecules have a three-dimensional network structure. Owing to this structure, silicone oligomers can be used as resins on their own, as organic resin modifiers. They are used in a variety of applications and fields, and the diversity of products available has made them the focus of growing attention in recent years.

Product Specifications
Resins & Oligomers
Properties when used as organic resin modifiers
Compatibility with organic resins
Owing to the low molecular weight, they have excellent compatibility.
Low volatile content
Even in high temperature conditions, there is little evaporation and the active ingredients function as designed.
Large number of reaction sites
More effective than monomers, as there are more sites for reaction with the intended material.
Properties when used as resins
Room-temperature cure
When used with a curing agent, silicone oligomers cure at room temperature by reacting with moisture in the air.
High hardness
Their relatively low molecular weights mean they will form very hard coatings.
Water repellency
Silicone oligomers especially those having methyl groups, form films with excellent water repellency.
Typical Products
Coatings, resin modification
Grade
Features
KC-89S
Low DP (degree of polymerization)
KR-500
Medium DP
X-40-9225
High DP
Resin modification
Grade
Features
KR-510
Forms high hardness coatings
Coatings
Grade
Features
KR-400
Forms high hardness coatings
KR-401
Excellent flexural and impact resistance
Coupling agents
Grade
Features
KR-516
Epoxy equivalent 280 g/mol
X-40-9296
Metacryl equivalent 230 g/mol
KR-513
Acrylic equivalent 210 g/mol
X-41-1810
Mercapto equivalent 450 g/mol
Molding
Grade
Features
X-40-2670
Low cure shrinkage, Epoxy equivalent 200 g/mol
Contact Us
Shin-Etsu Silicones of America, Inc.
1150 Damar Drive
Akron, Ohio 44305-1201

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