TiO2-based photocatalytic cement-based materials

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Description

Cement-based materials incorporating nano TiO2 particles that provide photocatalytic oxidation effects for air purification and self-cleaning properties. These materials can be applied through internal mixing, spraying, dip-coating, or sol-gel methods.

Market positioning

Established technology with proven applications in urban air purification

Use cases

Construction industry, urban infrastructure developers, building material manufacturers, and environmental remediation companies

Features

Proven air purification capabilities

Well-established photocatalyst technology

Multiple application methods available

Can be integrated into existing concrete infrastructure

Good processing properties and chemical stability

Field applications already demonstrated

Pros and cons

Based on: (AI summary)

Pros

Proven air purification capabilities
Well-established photocatalyst technology
Multiple application methods available
Can be integrated into existing concrete infrastructure
Good processing properties and chemical stability

Cons

Higher cost due to increased TiO2 dosage requirements
Weak weathering resistance in surface applications
Potential health concerns from nanoparticle exposure
Reduced photocatalytic activity due to carbonation over time
Surface pH changes affecting efficiency