# US 11,077,597 B2 · Compositions and methods for reducing the surface temperature of composite articles

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,077,597 B2
- Document ID: US11077597B2
- Status: Granted
- Kind: B2
- Application number: 16/079,013
- Filed: 2017-02-23
- Published: 2019-02-14
- Granted: 2021-08-03
- Earliest claimed: 2016-02-23
- Assignees: Moistureshield, Inc.
- Applicants: Advanced Environmental Recycling Technologies, Inc.
- Inventors: Jeffrey J. Cernohous; Gary Hobbs; Dustin L. Mackey; Timothy D. Morrison
- Web page: https://patentgrep.com/patent/US11077597B2

## CPC

- B29C 48/155: Partial coating thereof
- B29C 48/022: {characterised by the choice of material}
- B29C 48/16: Articles comprising two or more components, e.g. co-extruded layers
- B32B 27/18: characterised by the use of special additives
- C08J 3/201: {Pre-melted polymers}
- C08K 3/013: Fillers, pigments or reinforcing additives
- C08K 3/38: Boron-containing compounds
- C08K 5/0041: {Optical brightening agents, organic pigments}
- C08L 101/00: Compositions of unspecified macromolecular compounds
- B29K 2105/0032: {Pigments, colouring agents or opacifiyng agents}
- B29K 2509/04: Carbides; Nitrides
- B29K 2711/14: Wood, e.g. woodboard or fibreboard
- B29K 2995/0012: having particular thermal properties
- C08J 2323/06: Polyethene
- C08K 2003/385: {Binary compounds of nitrogen with boron}
- C08K 2201/001: Conductive additives
- B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS

## Abstract

A composition includes an infrared reflective additive having one or more infrared reflective colorants and a thermally emissive filler. The infrared reflective additive can be melt processed in a polymeric matrix.

## Claims

### Claim 1

An article comprising:
(a) a wood plastic composite core having a peripheral surface; and
(b) a capstock bonded to at least a portion of the peripheral surface of the wood plastic composite core, wherein the capstock comprises a polymer matrix with an infrared reflective additive blended therein, the infrared reflective additive comprising one or more infrared reflective colorants and a thermally emissive filler, and
wherein the infrared reflective colorant comprises an oxide of one or more of chromium, cobalt, gallium, indium, iron, lanthanum, lithium, manganese, molybdenum, neodymium, nickel, niobium, tin, and/or vanadium.

### Claim 2 (depends on 1)

The article according to claim 1, wherein the polymer matrix comprises a polyethylene, a polypropylene, a polyolefin copolymer, a functionalized polyolefin, a polystyrene, a polystyrene copolymer, a polyacrylate, a polymethacrylate, a polyester, a polyvinylchloride, a fluoropolymer, a polyamide, a polyether imide, a polyphenylene sulfide, a polysulfone, a polyacetal, a polycarbonate, a polyphenylene oxide, a polyurethane, a thermoplastic elastomer, an epoxy, an alkyd, a melamine, a phenolic, a urea, a vinyl ester, or combinations thereof.

### Claim 3 (depends on 1)

The article according to claim 1, wherein the polymer matrix comprises a crosslinkable polymer.

### Claim 4 (depends on 1)

The article according to claim 1, wherein the capstock further comprises an organic or inorganic filler.

### Claim 5 (depends on 1)

The article according to claim 1, wherein the article is a decking product, a fencing product, a railing product, a roofing product, or a siding product.

### Claim 6 (depends on 1)

The article according to claim 1, wherein the capstock further comprises one or more infrared transparent colorants.

### Claim 7 (depends on 1)

The article according to claim 1, wherein the thermally emissive filler is boron nitride.

### Claim 8 (depends on 1)

The article according to claim 1, wherein the capstock has:
a heat build-up according to HBU (OIR) of less than 60° F.; and
a heat build-up according to HBU ASTM-D4803 of less than 60° F.

### Claim 9 (depends on 1)

The article according to claim 1, wherein the capstock further comprises a white colorant comprising titanium dioxide and/or zirconium dioxide.

### Claim 10

An article comprising:
(a) a wood plastic composite core having a peripheral surface; and
(b) a capstock bonded to at least a portion of the peripheral surface of the wood plastic composite core, wherein the capstock comprises a polymer matrix with an infrared reflective additive blended therein, the infrared reflective additive comprising one or more infrared reflective colorants and a thermally emissive filler, and
wherein the infrared reflective colorant comprises Cr2O3, V2O3, Ga2O3, Fe2O3, Mn2O3, Ti2O3, In2O3, TiBO3, NiTiO3, MgTiO3, CoTiO3, ZnTiO3, FeTiO3, MnTiO3, CrBO3, NiCrO3, FeBO3, FeMoO3, FeSn(BO3)2, BiFeO3, A1BO3, Mg3Al2Si3O12, NdAlO3, LaAlO3, MnSnO3, LiNbO3, LaCoO3, MgSiO3, ZnSiO3, Mn(Sb,Fe)O3, or any combination thereof.

### Claim 11 (depends on 10)

The article according to claim 10, wherein the capstock further comprises one or more infrared transparent colorants.

### Claim 12 (depends on 10)

The article according to claim 10, wherein the thermally emissive filler is boron nitride.

### Claim 13 (depends on 10)

The article according to claim 10, wherein the capstock has:
a heat build-up according to HBU (OIR) of less than 60° F.; and
a heat build-up according to HBU ASTM-D48O3 of less than 60° F.

### Claim 14 (depends on 10)

The article according to claim 10, wherein the capstock further comprises a white colorant comprising titanium dioxide and/or zirconium dioxide.

### Claim 15 (depends on 10)

The article according to claim 10, wherein the polymer matrix comprises a polyethylene, a polypropylene, a polyolefin copolymer, a functionalized polyolefin, a polystyrene, a polystyrene copolymer, a polyacrylate, a polymethacrylate, a polyester, a polyvinylchloride, a fluoropolymer, a polyamide, a polyether imide, a polyphenylene sulfide, a polysulfone, a polyacetal, a polycarbonate, a polyphenylene oxide, a polyurethane, a thermoplastic elastomer, an epoxy, an alkyd, a melamine, a phenolic, a urea, a vinyl ester, or combinations thereof.

### Claim 16 (depends on 10)

The article according to claim 10, wherein the polymer matrix comprises a crosslinkable polymer.

### Claim 17 (depends on 10)

The article according to claim 10, wherein the capstock further comprises an organic or inorganic filler.

### Claim 18 (depends on 10)

The article according to claim 10, wherein the article is a decking product, a fencing product, a railing product, a roofing product, or a siding product.