POLYMER-MODIFIED ASPHALT ROOFING MATERIAL

MX434887BActive Publication Date: 2026-06-12OWENS CORNING INTELLECTUAL CAPITAL LLC
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Patent Information

Authority / Receiving Office
MX · MX
Patent Type
Patents
Current Assignee / Owner
OWENS CORNING INTELLECTUAL CAPITAL LLC
Filing Date
2020-07-13
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

The scarcity and high cost of special grades of asphalt used in roofing shingles, which are softer and have lower viscosity, make it challenging to produce shingles with sufficient nail zones for efficient and secure installation, especially in high wind conditions, and these shingles are prone to lifting and debonding due to viscoelastic loss at low temperatures.

Method used

A shingle coating asphalt composition is developed using paving grade asphalt modified with polymeric additives and secondary additives like waxes and fatty acid esters, which enhances the nail zone reinforcement with woven or nonwoven fabrics, improving adhesion and resistance to wind uplift and temperature-related debonding.

Benefits of technology

The modified asphalt composition improves nail pull resistance, reduces shingle lifting, and enhances adhesion at low temperatures, providing improved performance and durability in high wind conditions while reducing material costs.

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Abstract

A roofing asphalt composition is provided, produced from paving-grade asphalt. The asphalt composition comprises paving-grade asphalt modified with one or more polymer additives, and a secondary additive comprising one or more viscosity-reducing agents, waxes, fatty acid ester salts, and fatty acid amides. The roofing asphalt composition is used to make a roofing tile. The tile includes a substrate, the asphalt, and roofing granules.
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