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USI Chemical Silane USi-3301

USI Chemical Silane USi-3301, as a coupling agent in glass fiber-reinforced or filler-modified plastics improves filler dispersibility while reducing the filler's sedimentation tendency.

Chemical Family: Methacrylates

Functions: Adhesion Promoter, Coupling Agent

Compatible Polymers & Resins: Poly(Methyl Methacrylate) (PMMA), Polyesters, Polyolefins

Features: Acid Resistant, Alkali Resistant, Excellent Dispersibility, Excellent Moisture Resistance, Good Abrasion Resistance, Good Mechanical Properties, Good Scratch Resistance

Synonyms: (3-Methacryloxypropyl)trimethoxysilane, (γ-Methacryloxypropyl)trimethoxysilane, [γ-(Methacryloyloxy)propyl]trimethoxysilane, 2-Methyl-2-propenoic acid 3-(trimethoxysilyl)propyl ester, 3-(Methylacryloxy)propyltrimethoxysilane, 3-(Trimethoxysilyl)propyl methacrylate, 3-(Trimethyoxysilyl)propyl methacrylate, 3-Methacryloxypropyltrimethoxisilane, 3-Methacryloyloxypropyltrimethoxysilane, 3-Trimethoxysilylpropyl 2-methylprop-2-enoate, Methacryloyloxypropyltrimethoxysilane, NSC 93591, Trimethoxy(3-methacryloxypropyl)silane, Trimethoxy(3-methacryloyloxypropyl)silane, γ-Methacryloxy propyl trimethoxyl silane

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Methacrylates

Chemical Name

3- (Trimethoxysilyl) propyl methacrylate

Reinforcement Material

Mineral

Composite Materials Functions

Coupling Agent

Plastics & Elastomers Functions

Adhesion Promoter

CAS No.
2530-85-0
EC No.
219-785-8
Technologies

Composite Materials,

Elastomers,

Plastics

Product Families

Composite Materials — Additives

Functional Additives

Elastomers — Elastomer Additives

Surface Modifiers

Plastics — Polymer Additives

Surface Modifiers

Features & Benefits

Materials Features

Acid Resistant,

Alkali Resistant,

Excellent Dispersibility,

Excellent Moisture Resistance,

Good Abrasion Resistance,

Good Mechanical Properties,

Good Scratch Resistance

Product Highlights

It is also a major reduction in the melt viscosity of casting resins, as well as a marked improvement in the mechanical properties of glass-fiber-reinforced or mineral-filled plastics. In addition, it leads to a sizable increase in moisture resistance and greater resistance to acids and bases. Used as a co-monomer in polymers, silane USi-3301 produces binders that exhibit much improved wet scrub, abrasion and scratch resistance. As a component of free -radical curable adhesives and sealants.

Applications & Uses

Compatible Polymers & Resins

Poly(Methyl Methacrylate) (PMMA),

Polyesters,

Polyolefins

Applications

Silane USi-3301 is used as adhesion promoter in application such as :

  • A constituent of glass fiber size (glass fiber fillers for unsaturated polyester resins and polyolefins)
  • A finish for glass fabrics used in unsaturated polyester resins
  • As a surface modifier for pigments and fillers for thermosets (unsaturated polyester, MMA), thermoplastics (polyesters and polyolefins) and elastomers
  • As an additive for filled, peroxide-crosslinked elastomers
  • As an additive for casting resins (unsaturated polyester, MMA)

Properties

Color

Transparent

Physical Form

Liquid

Appearance
Transparent liquid
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (20°C)1.040 - 1.050g/cm³—
Refractive Index (nD²⁵°C)1.4240 - 1.4340——
Puritymin. 98%GC
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Molecular Weight248.35——

Packaging & Availability

Packaging Type

Drums,

Pails,

Totes (IBC)

Packaging Information

In 25kg pail, 200kg drum and 1000kg IBC

Storage & Handling

Shelf Life
24 months
Stoarge/Shelf Life
  • Keep away from heat and open flame.
  • When stored at or below 35°C in the original unopened containers, this product has a usable life of 12 months from the date of production.