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Silquest A-187 Silane is used in the production process of fiberglass, as a size ingredient.
Silquest A-187 Silane is used as an additive to polyurethane resins used in foundry.
Silquest A-187 Silane is used in polysulfides and polyurethanes, epoxy resin adhesive, filled or reinforced thermoset resins, fiberglass adhesive and inorganic-filled or glass-reinforced thermoplastic resins etc.
EC Number: 219-784-2
CAS Number: 2530-83-8
Molecular Formula: C9H20O5Si
SYNONYMS:
Silquest A-187 Silane, (3-Glycidoxypropyl)trimethoxysilane, γ-Glycidoxypropyltrimethoxysilane, GPTMS, 3-(2,3-Epoxypropoxy)propyltrimethoxysilane, 3-(Glycidyloxypropyl)trimethoxysilane, Epoxy Silane, Silane coupling agent A-187, KH-560
Silquest A-187 Silane is an excellent candidate for waterborne applications such as acrylic and vinyl-acrylic caulks.
Silquest A-187 Silane has improved adhesion to glass, and metal substrates can be obtained in epoxy, polysulfide, urethane and acrylic bases adhesives, sealants and caulks.
An epoxy functional silane, Silquest A-187 Silane is specially formulated for use as an adhesion promoter in SPUR + * prepolymer, urethane, epoxy, polysulfide, silicone and acrylic systems for caulks, coatings, sealants and adhesives.
Its epoxy functionality allows Silquest A-187 Silane to perform as a durable epoxy ring that is reactive with many organic functions.
Working as a trimethoxy silane, Silquest A-187 Silane bonds to inorganic substrates to provide excellent wet and dry adhesion along with a rapid hydrolysis rate.
Silquest A-187 Silane also demonstrates enhanced electrical properties in epoxy-based encapsulants and packaging materials, the result of improved bonding between resin and substrate or filler.
Formulated to enhance wet adhesion, Silquest A-187 Silane also benefits epoxy encapsulation systems through its enhanced safety of semiconductor or integrated circuits, which it guards from water ingress or surface corrosion.
Silquest A-187 Silane is an epoxy functional silane which may be suitable for use as adhesion promoters in SPUR, urethane, epoxy, polysulfide, silicone, and acrylic caulks, coatings, sealants and adhesives.
Silquest A-187 Silane is epoxy silane coupling agent.
USES and APPLICATIONS of SILQUEST A-187 SILANE:
Applications of Silquest A-187 Silane: Automotive & Transportation — Bonding & Assembly, Transportation Assembly, Adhesives & Sealants — Industrial & Assembly Adhesives, Transportation Assembly, Compatible Polymers & Resins, Acrylics, Epoxies (EP), Polysulfide Rubber, Polyurethanes (PU), Silicones Adhesive & Sealant Type Waterborne Adhesive, Waterborne Sealant Coating Type and
Waterborne Coating.
End Uses of Silquest A-187 Silane: Waterborne Adhesive, Waterborne Coating, Waterborne Sealant
Silquest A-187 Silane is used compatible Polymers & Resins: Acrylics, Epoxies (EP), Polysulfide Rubber, Polyurethanes (PU), Silicones
Silquest A-187 Silane acts as an adhesion promoter for water-borne coatings applications.
Silquest A-187 Silane is an epoxy-functional silane.
Epoxy functionality will offer non-yellowing adhesion in many resin systems.
Silquest A-187 Silane may improve flexibility of systems vs other adhesion promoters.
Trimethoxy silane bonds to inorganic substrates to provide very good wet and dry adhesion.
Silquest A-187 Silane also offers fast hydrolysis rate.
Silquest A-187 Silane also offers non-yellowing adhesion in many resin systems and has proven to increase the flexibility of systems when compared to other adhesion promoters under certain conditions.
Silquest A-186 silane and Silquest A-187 Silane are epoxy functional silanes which may be suitable for use as adhesion promoters in SPUR+, urethane, epoxy, polysulfide, silicone, and acrylic caulks, coatings, sealants and adhesives.
An epoxy functional silane, Silquest A-187 Silane is specially formulated for use as an adhesion promoter in SPUR + * prepolymer, urethane, epoxy, polysulfide, silicone and acrylic systems for caulks, coatings, sealants and adhesives.
Its epoxy functionality allows Silquest A-187 Silane to perform as a durable epoxy ring that is reactive with many organic functions.
Silquest A-187 Silane also offers non-yellowing adhesion in many resin systems and has proven to increase the flexibility of systems when compared to other adhesion promoters under certain conditions.
Silquest A-187 Silane is also an excellent candidate for waterborne applications, including acrylic and vinyl-acrylic caulks, as well as urethane and latex caulk applications, where it can improve adhesion to glass and metal substrates.
Other epoxy applications that may benefit from the addition of Silquest A-187 Silane include quartz-filled epoxy encapsulants, pre-mix formulations and sand-filled epoxy concrete patching materials, along with metal-filled epoxy, like those used in mold and dye tools.
Silquest A-187 Silane is used to enhance electrical properties of epoxy based electronic encapsulant and packaging materials, resulting from Silquest A-187 Silane is improved bonding between resin and substrate or filler.
Silquest A-187 Silane applications benefit from adhesion without decrease in elongation and yellowing.
Urethane applications benefit from enhanced adhesion to glass and metal substrates, while providing improved shelf stability over amino silane alternatives.
Typical use level ranges of Silquest A-187 Silane is from 0.5 to 1.5 pbw.
Epoxy applications benefiting from the use of Silquest A-186 silane or Silquest A-187 Silane silane include quartz filled epoxy encapsulants, pre-mix formulations, sand-filled epoxy concrete patching materials, and metal filled epoxy materials suitable for mold die tools.
Epoxy encapsulation systems benefit from Momentive Performance Materials epoxy family of Silquest silanes' ability to enhance wet adhesion, reducing the risk of semiconductor or integrated circuit failure due to water ingress or surface corrosion.
Typical use level is 1.0 pbw.
Polysulfide applications benefit from enhanced adhesion performance, without suffering odor issues associated with mercapto based silanes. Typical use level ranges from 0.5 to 1.5 pbw.
Latex caulk applications benefit from enhanced adhesion to glass and metal substrates, without suffering yellowing issues associated with amino silane adhesion promoters.
Typical use level ranges from 0.2 to 0.5 pbw.
Silquest A-187 Silane is used in the production process of fiberglass, as a size ingredient.
Silquest A-187 Silane is used as an additive to polyurethane resins used in foundry.
Silquest A-187 Silane is used in polysulfides and polyurethanes, epoxy resin adhesive, filled or reinforced thermoset resins, fiberglass adhesive and inorganic-filled or glass-reinforced thermoplastic resins etc.
Silquest A-187 Silane is used to enhance the electrical performance of epoxy-based electronic sealants and packaging materials and printed circuit boards, improving the bond between the resin and the matrix or filler.
Silquest A-187 Silane is used in a wide range of fillers and matrices, including clay, talc, wollastonite, silica, quartz or metals such as aluminium, copper and iron.
Silquest A-187 Silane is used coupling of resins with minerals for improved composite strength, toughness, abrasion resistance, rolling resistance and other properties.
Silquest A-187 Silane is an epoxy-functional silane suitable for use as adhesion promoters in polysulfide, urethane, epoxy and acrylic caulks, sealants and adhesives.
Silquest A-187 Silane is used in polysulfide, urethane, epoxy and acrylic caulks.
Silquest A-187 Silane is specially formulated for use as an adhesion promoter in SPUR + * prepolymer, urethane, epoxy, polysulfide, silicone and acrylic systems for caulks, coatings, sealants and adhesives.
Its epoxy functionality allows Silquest A-187 Silane to perform as a durable epoxy ring that is reactive with many organic functions.
Silquest A-187 Silane also offers non-yellowing adhesion in many resin systems and has proven to increase the flexibility of systems when compared to other adhesion promoters under certain conditions.
Silquest A-187 Silane is used paints, coatings, adhesives, inks, plastics, elastomers, fillers, resins, rubber
Silquest A-187 Silane is used to improve adhesion, crosslinking, surface treatment, improved wettability, improved durability, improved weather resistance
Silquest A-187 Silane is used as an adhesion promoter for polysulfide, polyurethane, epoxy and acrylic adhesives and sealants.
FUNCTIONALITY OF SILQUEST A-187 SILANE:
Bonds to inorganic substrates to provide excellent wet and dry adhesion and very fast hydrolysis rate
Enhanced electrical properties of epoxy based electronic encapsulant and packaging materials, resulting from improved bonding between resin and substrate or filler.
An excellent candidate for waterborne applications such as acrylic and vinyl-acrylic caulks.
Improved adhesion to glass, and metal substrates can be obtained in epoxy, polysulfide, urethane and acrylic bases adhesives, sealants and caulks.
KEY FEATURES AND BENEFITS OF SILQUEST A-187 SILANE:
*Epoxy Functionality:
Epoxy ring is reactive with many organic functionalities, non-yellowing adhesion in many resin systems, and may improve flexibility of systems vs. other adhesion promoters.
FUNCTIONS OF SILQUEST A-187 SILANE:
*Adhesion Promoter,
*Coupling Agent
HIGHLIGHTS OF SILQUEST A-187 SILANE:
*Epoxy Functionality :
Epoxy ring is reactive with many organic functionalities.
Epoxy functionality will offer non-yellowing adhesion in many resin systems.
May improve flexibility of systems vs. other adhesion promoters.
*Trimethoxy Silane Functionality :
Silquest A-187 Silane bonds to inorganic substrates to provide excellent wet and dry adhesion.
Silquest A-187 Silane has very fast hydrolysis rate
Enhanced electrical properties of epoxy based electronic encapsulant and packaging materials, resulting from improved bonding between resin and substrate or filler.
An excellent candidate for waterborne applications such as acrylic and vinyl-acrylic caulks.
Improved adhesion to glass, and metal substrates can be obtained in epoxy, polysulfide, urethane and acrylic bases adhesives, sealants and caulks.
SPUR+ perpolymer applications benefit from adhesion without decrease in elongation and yellowing.
Urethane applications benefit from enhanced adhesion to glass and metal substrates, while providing improved shelf stability over amino silane alternatives.
Typical use level ranges from 0.5 to 1.5 pbw.
MARKETS OF SILQUEST A-187 SILANE:
*Adhesives & Sealants,
*Automotive & Transportation
PRODUCT TYPE OF SILQUEST A-187 SILANE:
Crosslinkers / Curing Agents / Hardeners > Silanes
Adhesion Promoters / Compatibilizers > Adhesion Promoters > Silanes
Adhesion Promoters / Compatibilizers > Coupling Agents / Compatibilizers > Silanes
SOLUBILITY OF SILQUEST A-187 SILANE:
Silquest A-186 silane and Silquest A-187 Silane are soluble in water after hydrolysis, alcohol, acetone and most aliphatic esters at normal application levels under five percent.
Hydrolysis releases methanol.
FEATURES OF SILQUEST A-187 SILANE:
・Reactive with many functional groups
・Non-yellowing
・Excellent water-resistant adhesion to substrates containing inorganic fillers
・Fast curing, fast adhesive strength development
・Effective as a moisture remover
・Highly hydrolyzable
・Excellent Adhesion,
・Long Shelf Life
・Epoxy Functionality
・Trimethoxy Silane
・Functionality
BENEFITS OF SILQUEST A-187 SILANE:
*Epoxy ring is reactive with many organic functionalities.
*Epoxy functionality will offer non-yellowing adhesion in many resin systems.
*May improve flexibility of systems vs. other adhesion promoters.
*Bonds to inorganic substrates to provide excellent wet and dry adhesion.
*Very fast hydrolysis rate.
PHYSICAL and CHEMICAL PROPERTIES of SILQUEST A-187 SILANE:
EC Number: 219-784-2
CAS Number: 2530-83-8
Molecular Formula: C9H20O5Si
Molecular Weight: 236.34 g/mol
Physical State: Clear liquid
Boiling Point: 290°C (554°F)
Melting Point: [Data not available]
Density: 1.071 g/cm³ at 25°C
Water Solubility: Soluble, with slow hydrolysis
Flash Point: 110°C (230°F) (closed cup)
EC Number: 219-784-2
CAS Number: 2530-83-8
Molecular Formula: C9H20O5Si
Molecular Weight: 236.34 g/mol
IUPAC Name: 3-(2,3-Epoxypropoxy)propyltrimethoxysilane
Appearance: Clear, colorless to slightly yellow liquid
Odor: Mild, characteristic odor
Boiling Point: 290°C (554°F)
Melting Point: Not applicable, as it is a liquid
Density: 1.071 g/cm³ at 25°C
Refractive Index: 1.427 at 25°C
Vapor Pressure: 0.01 mmHg at 20°C
Flash Point: 110°C (230°F) (closed cup)
Water Solubility: Soluble, but hydrolyzes slowly in water to form silanol and methanol
Viscosity: 2.5 - 4.0 mPa·s at 25°C
Surface Tension: 25.9 mN/m at 25°C
Chemical Family: Silanes
Chemical Composition: Gamma-glycidoxypropyltrimethoxysilane
FIRST AID MEASURES of SILQUEST A-187 SILANE:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of SILQUEST A-187 SILANE:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of SILQUEST A-187 SILANE:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of SILQUEST A-187 SILANE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of SILQUEST A-187 SILANE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of SILQUEST A-187 SILANE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature) .
-Possibility of hazardous reactions:
No data available
