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An aluminate coupling agent is

a specialty chemical that acts as a molecular bridge, bonding inorganic materials (like mineral fillers, glass fibers) with organic polymers (resins, rubbers) to create stronger, more durable composites, adhesives, or coatings, improving dispersion, adhesion, mechanical strength, and chemical resistance, often via aluminum-based organometallic compounds that work without needing surface hydroxyls like silanes.

How They Work

Dual Functionality: Contains both inorganic (aluminum-based) and organic reactive groups.
Interfacial Bonding: The inorganic part bonds to fillers (e.g., silica, talc, metal oxides), while the organic part bonds to the polymer matrix, creating a strong interface.
Improved Properties: This bonding enhances filler dispersion, reduces filler settling, improves wettability, and boosts mechanical (strength, flexibility) and thermal stability.

High Performance: Offer high reactivity, non-toxicity, and stability at high temperatures, making them superior to some silanes or titanates.
Broad Compatibility: Work with many resins (PE, PP, Epoxy, Polyurethane) and fillers (BaSO4, CaCO3, TiO2, etc.).
Applications: Used in plastics, rubber, paints, inks, adhesives, sealants, advanced composites, and even solar cells.
Unique Benefits: Can provide excellent internal lubrication, reducing friction and wear in moving parts.

Aluminate coupling agent-based surface modification of BaSO ...
Coupling agents can be categorized into silane coupling agents, titanate coupling agents, and aluminate coupling agents [20], [21]
ScienceDirect.com
Aluminate Coupling Agent - White Powder for Plastic & Rubber
Types of Aluminate Coupling Agents An aluminate coupling agent is a specialized chemical compound designed to enhance adhesion bet...
Alibaba.com
Aluminate Coupling Agent Manufacturer - Sainuo
Aluminate coupling agents have revolutionized the field of lubrication by providing exceptional internal lubrication properties th...
Sainuo

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Titanate, Zirconate & Aluminate Coupling Agents & ...

Kenrich Petrochemicals

https://4kenrich.com › Products and Benefits

Kenrich Petrochemicals

https://4kenrich.com › Products and Benefits

These coupling agents provide adhesion to non-polar substrates, pigment dispersion, and bond dissimilar materials, often superior to silanes.

aluminate coupling agent,aluminate coupler

GreenPoly

https://www.greenpoly.com › chemicals › aluminate

GreenPoly

https://www.greenpoly.com › chemicals › aluminate

Use aluminate coupling agent to coat, activate and modify inorganic filler (powder in form) for 3-5 minutes before adding steric acid, because steric acid ...

Formula and preparation method of aluminate coupling agent

Google Patents

https://patents.google.com › patent

Google Patents

https://patents.google.com › patent

The aluminate coupling agent comprises paraffin wax, stearic acid, white oil and aluminum isopropoxide, wherein the mass ratio is 13-18:35-45:30-40:8-12.

High quality aluminate coupling agent ...

Sinograce Chemical

https://www.sinogracechem.com › aluminate-coupling-a...

Sinograce Chemical

https://www.sinogracechem.com › aluminate-coupling-a...

Sinograce Chemical providing solutions of aluminate coupling agent. These products are widely used for non-stick pan,ship coating,metal caoting etc.

Aluminate coupling agent-based surface modification of ...

ScienceDirect.com

https://www.sciencedirect.com › science › article › pii

ScienceDirect.com

https://www.sciencedirect.com › science › article › pii

by D Xu2025Cited by 2 — The surface of BaSO 4 is modified by using aluminate coupling agent as a modifier and wet modification. Process conditions are optimized based on contact angle.

Aluminate Coupling Agent FD-804

UL Prospector

https://www.ulprospector.com › Coatings › Detail › Alu...

UL Prospector

https://www.ulprospector.com › Coatings › Detail › Alu...

FD-804 is an aluminate coupling agent. It can be used in dope and paint, which can increase ground coat adhesive force and storage stability.

Coupling Agent PLENACT - Ajinomoto Fine-Techno Co.,Inc.

味の素ファインテクノ株式会社

https://www.aft-website.com › products › plenact

味の素ファインテクノ株式会社

https://www.aft-website.com › products › plenact

PLENACT is a general term for Ajinomoto Fine-Techno's coupling agents, which are classified into titanate and aluminate types.

Aluminate Coupling Agent Manufacturer

Sainuo

https://www.sainuowax.com › aluminate-coupling-agent

Sainuo

https://www.sainuowax.com › aluminate-coupling-agent

Aluminate coupling agents have revolutionized the field of lubrication by providing exceptional internal lubrication properties that enhance the performance ...

What is Aluminate Coupling Agents? Uses, How It Works & ...

LinkedIn · PulsePoint Analytics co

1 month ago

LinkedIn · PulsePoint Analytics co

1 month ago

Aluminate coupling agents are used to bond inorganic materials like cement, ceramics, and glass with polymers, enhancing durability and reducing ...

Coupling Agent Selection of Different Fillers and How to ...

SiSiB SILICONES

https://www.sinosil.com › Media › Blog