Dr. Peter Greenwood

Articles by Dr. Peter Greenwood

Increasing Block Resistance in Low-VOC Acrylic Paints with Colloidal Silica

A study of three commercial semigloss paints examines how silane-modified colloidal silica, drying time and rheology modifiers influence block resistance.

Dr. Peter Greenwood Oleg Afanasyev PhD

March 11, 2026

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Testing shows how colloidal silica loading, drying time and rheology chemistry influence block resistance in three commercial low-VOC acrylic paints.

Self-Cleaning Elastomeric Cool Roof Coatings

Dr. Peter Greenwood

July 15, 2020

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Combining Expancel microspheres and Levasil colloidal silica products in elastomeric waterproof and cool roof coatings gives several synergies.

In this webinar, we will use case studies from industry to illustrate how AI can be used to identify PFAS-free formulations and select surfactant blends for water-based products.

Articles by Dr. Peter Greenwood

Increasing Block Resistance in Low-VOC Acrylic Paints with Colloidal Silica

Self-Cleaning Elastomeric Cool Roof Coatings

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