Structural siding panel with improved thermal and mechanical properties

Patent metadata

Field	Value
Publication number	US-11499320-B2
Application number	US-202016788297-A
Country	US
Kind code	B2
Filing date	Feb 11, 2020
Priority date	Feb 11, 2020
Publication date	Nov 15, 2022
Grant date	Nov 15, 2022

Abstract

An advanced siding panel that combines a traditional siding appearance with improved insulation, structural integrity, and improved thermal characteristics.

First claim

We claim:

1. A siding assembly comprising the profile comprising: (i) a top edge comprising a nailing flange and a bottom edge, (ii) an exterior face and a reverse face, and (iii) a right and a left installation locus; wherein the panel comprises a composite comprising a continuous thermoplastic polymer phase and a discontinuous glass fiber phase dispersed in the polymer, the composite comprising: (i) the continuous polymer phase comprising the thermoplastic polymer; and (ii) about 1 to 60 wt. % of the glass fiber, the fiber having a length greater than about 5 microns, a diameter greater than about 3 microns and an aspect ratio greater than about 3, the fiber having about 0.1 to 5 wt. % of an exterior coating comprising an interfacial modifier, the wt. % based on the discontinuous glass fiber phase; and wherein the assembly has an impact (ASTM D4226) of at least 4 Joules, an R (insulation) value of at least 2 (ASTM C1363), a heat deflection temperature of at least 60° C. (ASTM D648), and a coefficient of thermal expansion (COTE) of less than 20×10 −6 in·in −1 ° F. (ASTM 696).

2. The panel of claim 1 wherein the polymer comprises a polyvinyl chloride.

3. The panel of claim 1 wherein the interfacial modifier is an organometallic compound.

4. The panel of claim 1 wherein the assembly has an impact (ASTM A3746) of at least 30 Joules, composite has a heat deflection temperature of at least 60° C. (ASTM D648), and a COTE less than 10×10 −6 in·in −1 ° F. (ASTM 696).

5. The panel of claim 1 wherein the panel comprises a wood grained appearance.

6. The composite of claim 1 wherein the composite comprises about 0.1 to 3 wt.-% of an interfacial modifier.

7. The composite of claim 1 wherein the organometallic interfacial modifier comprises a titanate compound.

8. The composite of claim 1 wherein the exterior coating comprises a continuous layer having a thickness of about 100 to 1500 A.

9. The composite of claim 1 wherein the organometallic interfacial modifier is free of any reactive coupling agent.

10. The top edge of claim 1 comprising a nailing flange and the bottom edge comprising a coupling member that can provide mechanical attachment to additional panels.

Assignees

• Tundra Composites Llc

Inventors

• Bartel Adam
• Bohnen Scott
• Heikkila Kurt
• Deaner Michael

Classifications

• B29C48/022

  characterised by the choice of material · CPC title

• B29C48/0017

  combined with blow-moulding or thermoforming · CPC title

• B29C48/16

  Articles comprising two or more components, e.g. co-extruded layers · CPC title

• B29C48/0018

  combined with shaping by orienting, stretching or shrinking, e.g. film blowing (B29C48/0017 takes precedence) · CPC title

• B29C48/2886

  of fillers or of fibrous materials, e.g. short-fibre reinforcements · CPC title