Acetylenic and Alkynyl Silanes

Acetylenic and alkynyl silanes can be used in organic synthesis for cross-coupling, synthons, and as protected acetylenics or can be used in material science applications for polymerizations, click chemistry reactions, or cyclization.

Acrylic Monomers & Polymers

Specialty acrylic monomers and polymers containing performance materials for medical devices, coatings & adhesives, inks& toners, water treatment, and personal care.

Biosafe® Antimicrobial for Plastics

BIOSAFE® antimicrobial protects plastics from staining and degradation caused by bacteria, mold, mildew, and fungi. BIOSAFE® does not migrate, diffuse, or leach out of the protected plastic

Biosafe® Food Contact Guidelines

BIOSAFE®’s keystone product, HM4100 Antimicrobial, is registered for safe use in food-contact applications and complies with EPA and FDA and is NSF 51 certified.

Biosafe® Organosilane Antimicrobials

BIOSAFE® is a silicon-based antimicrobial that imparts bacteriostatic, fungistatic, and algistatic properties to coatings and resins for manufactured goods, providing long-lasting surface protection. It is available as a powder, solvent, or aqueous solution.

Borazine--A Simple Solution for Boron Nitride

Borazine is the preferred precursor for hexagonal boron nitride (h-BN) films with no carbon byproducts upon formation of boron nitride. Borazine forms h-BN films with: wide band gaps (5.955 eV); high thermal and chemical stability; and high electrical resistivity, thermal conductivity, and thermal shock resistance.

Bulk Metal-Organics and Silanes: Pharmaceutical & Organic Synthesis

Metal-organics and silanes that can be used as cross-coupling reagents, silane reducing agents, silane blocking agents, aluminum alkyls, and metal esters. This page provides physical properties and information on synthetic applications of silanes that facilitates selection of readily available commercial materials.

CVD Materials (Co, Zr, Ru, Hf, Ta)

Materials for CVD (chemical vapor deposition).

Contact Lens Materials

Products that can be used for contact lens applications.

Diethicone Treated Pigments

Diethicone (DE)-treated pigments offer hydrophobicity, faster dispersion, and improved color development.

Enabling Synthetic Organic Transformations

Offering selective and versatile reagents for: reductions, functional group protection, synthetic organic transformations, and cross-coupling C-C bond formation.

Flacktek Speedmixer for Microfluidics

FlackTek SpeedMixer™ is the suggested mixer for Gelest silicone kits. Gelest offers microfluidic silicone elastomer kits designed for defect-free performance in premeasured mixing cups ready to use in the SpeedMixer™.

Gelest ExSil 100

Gelest ExSil® 100 (molding grade) is a two-component ultra-high elongation silicone elastomer with tear resistant properties.

Gelest ExSil 50

Gelest ExSil® 50 is a two-component high elongation silicone elastomer with mechanical properties developed for medical applications.

Gelest Formulary for Personal Care & Color Cosmetics

Gelest formulary contains formulations for personal care and color cosmetics including skin care, bath and body, eyeshadows, foundations, lipsticks, and mascaras and eyeliners.

Gelest Reactive Silicones: Forging New Polymer Links

Materials for adhesives, binders, ceramic coatings, dielectric coatings, encapsulants, gels, membranes, optical coatings, photolithography, polymer synthesis, and sealants. Offering silicones with a wide range of functionalities along with catalysts, crosslinkers, and additives. Basic formulation guidelines are included in relevant sections

Gelest Silicone Fluids: Stable, Inert Media

Materials of engineering and design properties for heat transfer, mechanical, lubricating, smart fluid, dielectric, and optical applications.

HE4001 Antimicrobial

Organosilane antimicrobial that is methanol free and food contact allowed. It is approved by EPA and FDA regulations to protect articles. 0.75% quaternary ammonium salt in aqueous solution.

HE4005 Antimicrobial

Organosilane antimicrobial that is methanol free and food contact allowed. It is approved by EPA and FDA regulations to protect articles. 5% quaternary ammonium salt in aqueous solution.

High Elongation Thermally Conductive Gap Filler

Hybrid Fluids for Personal Care

Hybrid fluids combine the properties of organic materials with siloxanes to create structures that: achieve unique skin feel; improve wear properties; improve solubility; lower surface tension; introduce a dimethicone slip with a light natural feel; allow greater formulation latitude; improve perfume retention; enhance dispersion of pigments and fillers; and offer compatibility with natural cosmetic ingredients.

Hydrophobicity, Hydrophilicity and Silane Surface Modification

Silanes can specifically be used for hydrophobic/hydrophilic surface modification. This information focuses on raw materials that can be used for: water repellents; anti-stiction coatings; mineral surface treatments; fillers for composites; pigment dispersants; dielectric coatings; release coatings; optical (LED) coatings; bonded phases; self-assembled monolayers (SAMs); and architectural coatings.

Industrial Silanes: for Adhesives, Sealants, Coatings, and Composites

Silanes can be used in industrial applications for mineral surface treatment, architectural coatings, water-repellants, and release coatings. They can also help increase mechanical properties, provide additional crosslinking, improve dispersions, and enhance adhesion between surfaces.

Methyl Silanes

Methyl silanes have been used in semiconductor manufacturing as precursors for the chemical vapor deposition (CVD) of various layers, most often low dielectric constant (low-k) films. They also offer excellent barrier properties.

Micro-Particle Surface Modification

Gelest provides chemistries and deposition technologies for microparticle modifications that dramatically enhance color, polarity, adhesion, dispersion, rheological behavior, photo/chemical/thermal stability, moisture/corrosion resistance, and mechanical/electrical properties.

Optical Materials

Contains preformulated materials that are used as optical encapsulants, optical hard coatings, refractive index matching fluids, and UV active and fluorescent molecular coatings.

Optically Clear Performance Products

Gelest has a successful history of developing optical, reprographic, and gel formulations. Gelest now offers new pre-formulated optical encapsulants and optical hard coating materials.

Organosilicon & Metal-organic Precursors for Microelectronics & Optoelectronics

Meeting the design challenges posed by systems and components for metallization, dielectrics, lithography, encapsulation and die attach adhesives, OLEDs, LEDs, PLEDs, phosphorescents, and electrochromics.

Organosilicon and Metal-Organic Materials for Renewable Energy

Meeting the demands of renewable energy: generation, capture, and storage. Organosilicon and metal-organic materials from Gelest are helping to meet the challenges for: electroactive and dielectric materials (membranes, electrodes and electrolytes); water immiscible fluids (for electrolyte, heat transfer, and lubricant applications); structural materials (mesoporous ceramics and advanced composites); component protection materials (passivation and encapsulation); sol-gel coatings (anti-reflection and abrasion resistance); and optical materials (band-gap and index materials).

Performance Products

Gelest has developed custom optical, reprographic, and gel formulations to address the increasing use of sensors, modules, and products in automotive, biological, and electronic applications. Our newest product offerings include high temperature, thermally conductive, and electrically conductive specialty products.

Reactive Polyethers

PEGylation reagents for polymerizable vesicles, anti-biofouling, and polymer synthesis. The PEGylation of biomolecules can improve water solubility, increase biostability, and reduce renal filtration.

Sebum Resistant (SR)- Treated Pigments

Trimethylsiloxysilicate (SR)-treated pigments and fillers provide superior adhesion to skin and hair. SR pigments are the best candidates to be used in long-wearing and water-resistant makeup. They are hydrophobic yet are not overly sensitive to oils including sebum.

Seribrite™ SS

Seribrite™ SS is a high whiteness sericite that provides slip and creaminess not achievable with other treated and untreated sericites.

SiBrid® Diethicone

Diethicones have excellent personal care benefits including excellent spreading, gas permeability, water resistance, lubricity, and the ability to reduce tack. Diethicone’s tactile properties include a dry feel similar to that of demethicone but with increased cushion.

SiBrid® TM-031

SiBrid® TM-031 is a personal care silicone vehicle with solubility and volatility characteristics similar to cyclopentasiloxane (D5). These properties allow formulators to achieve performance needed while addressing regulatory concerns.

Silane Coupling Agents

Silanes can be used to prime metals, bind biomaterial, immobilize catalysts, provide crosslinking, and improve polymer and particle dispersions. They can also enhance adhesive bonding, increase electrical properties, maximize composite strength, and increase mechanical properties. Information on what a silane coupling agent is, how to choose one, and how to apply one can be found here.

Silanes & Silicones for Epoxy Resins

Silanes and silicones can modify epoxy resin performance by improving adhesion and controlled release, modifying rheological behavior, altering optical/dielectric/low temperature properties, and providing thermal stress relaxation. Included are silane coupling agents, epoxy-functional silicones, silane and silicone hardeners, and organosilane-modified silica.

Silicon Nitride Precursors

Gelest is the industry leader in synthesis and manufacturing of precursors for CVD and ALD silicon nitride. Offering custom designed silicon precursors to provide critical advantages in CVD and ALD.

Silicon-Based Blocking Agents

Silicon-based reagents for functional group protection, synthetic transformation, and derivatization for gas chromatographic analyses. These materials can be the protection of alcohols, phenols, diols, amines, carboxylic acids, and thiols.

Silicon-Based Cross-Coupling Reagents

Silicon-based cross-coupling reagents are used for carbon-carbon bond formation and the introduction or aryl, vinyl, and ethynyl groups.

Silicon-Based Reducing Agents

Reductive transformations for organic synthesis: silicon-based materials for the reduction of aldehydes, ketones, acetals, ketals, esters, lactones, thioesters, enamines, imines, acids, amides, halides, olefins, and metal halides.

Silicone Materials for Microfluidics

Offering reprographic grade silicones, optical grade silicones, and silicone elastomer fabrication toolkits.

Sivate A200

Activated acrylate-functional silane blend. Benefits include: high speed reactivity; improvements in adhesion; higher mechanical bond strength (flexural, tensile, and impact); and moisture activation is not required.

Sivate A610

Activated amine-functional silane blend. Benefits include: high speed reactivity; improvements in adhesion; higher mechanical bond strength (flexural, tensile, and impact); and moisture activation is not required.

Sivate E610

Enhanced amine-functional silane blend. Benefits include: improved corrosion resistance of metal substrates; superior film-forming properties in primer applications; and higher bond strength in aggressive aqueous conditions. Using this material, improved performance is also extended to non-siliceous surfaces and composites and primers can have long-term durability in a wide range of environments.

Specialty Olefins

Olefins are important intermediates in the production of organosilanes, silicones, and other metal-organics. Gelest maintains an inventory of olefins and other specialty unsaturated monomers and Gelest offers these products for sale in excess to its internal requirements. These products are not part of Gelest standard product lines and descriptive literature is not available. They are not offered for sale through distribution partners. Please contact Gelest directly for availability.

Tailoring Surfaces for Cosmetic Innovation

Tailoring surface chemistry of pigments and powders provides robust, permanently modified behavior, expanding formulation latitude in personal care. This surface chemistry has demonstrated exceptional performance in color cosmetic and skin care applications.

Thermally Conductive Silicone Adhesive

Ultramarine Pigments

Gelest Surface Treated Ultramarine Pigments create clean, bright shades to soft pastels in eye makeup and powders. Our expanded Ultramarine Pigment line (blue, violet, pink) is available with the following hydrophobic surface treatments:

• SR (Trimethylsiloxysilicate)
• SS (Stearyl Triethoxysilane)
• TC (Triethoxycaprylylsilane)

Vertasil TM-CBD1

Vertasil® TM-CBD1 is a patented multifunctional cannabidiol trisiloxane hybrid silicone fluid specifically designed to extend solubility and improve compatibility of Cannabidiol (CBD) with silicone oils and PDMS gels without compromising the activity or benefits of Cannabidiol. Vertasil® TM-CBD1 is the only ingredient that makes the delivery of Cannabidiol possible from PDMS gels.

Vertasil® TM-L01

Vertasil® TM-L01 is a naturally-derived, multifunctional hybrid fluid that offers improved solubility and sensory experience when compared to cyclosiloxanes.

Volatile Carbosilanes

Volatile carbosilanes are: the preeminent precursors for silicon carbide films and buffer layers; SiCO:H films for low-k barrier layers and etch-stop; carbon-doped (tensile-strained) silicon; silicon carbonitride utilized in passivation of silicon-based photovoltaics; and ALD promoted patterning and seed layers.

Volatile Higher Silanes

Volatile higher silanes are low temperature, high deposition rate precursors for amorphous hydrogenated silicon (a-Si:H) films; germanium-doped (compression-strained) silicon; carbon-doped (tensile-strained) silicon; silicon CVD, ALD, ALE; silicon and silicon-binary quantum-dots by photolytic or laser induction; and silicon-based photovoltaics.