IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0172419
(2011-06-29)
|
등록번호 |
US-8458971
(2013-06-11)
|
발명자
/ 주소 |
- Winterowd, Jack G.
- Robak, Glen
|
출원인 / 주소 |
|
대리인 / 주소 |
Christensen O'Connor Johnson Kindness PLLC
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
11 |
초록
▼
The present disclosure is directed generally towards fire-resistant wood products and formulations for fire-resistant coatings. In some embodiments, the disclosure includes a fire-resistant coating comprising an aromatic isocyanate (present in a quantity ranging from about 15% to about 39%), castor
The present disclosure is directed generally towards fire-resistant wood products and formulations for fire-resistant coatings. In some embodiments, the disclosure includes a fire-resistant coating comprising an aromatic isocyanate (present in a quantity ranging from about 15% to about 39%), castor oil (present in a quantity ranging from about 37% to about 65%), and intumescent particles (present in a quantity ranging from about 1% to about 40%). Further aspects are directed towards materials such as wood products coated with fire-resistant coatings according to embodiments of the disclosure.
대표청구항
▼
1. A fire-resistant coating for a wood product, the fire-resistant coating being a formulation comprising: a polyurethane matrix comprising: an aromatic isocyanate, the aromatic isocyanate being present in a quantity ranging from 24% to 39% by weight of the formulation; andcastor oil, the castor oil
1. A fire-resistant coating for a wood product, the fire-resistant coating being a formulation comprising: a polyurethane matrix comprising: an aromatic isocyanate, the aromatic isocyanate being present in a quantity ranging from 24% to 39% by weight of the formulation; andcastor oil, the castor oil being present in a quantity ranging from 37% to 65% by weight of the formulation; andintumescent particles embedded in the polyurethane matrix. 2. The fire-resistant coating of claim 1 wherein the intumescent particles are present in a quantity ranging from 1% to 40% by weight of the formulation. 3. The fire-resistant coating of claim 2 wherein the castor oil is present is a quantity ranging from 43% to 56% by weight of the total formulation. 4. The fire-resistant coating of claim 3 wherein the intumescent particles are present in a quantity ranging from 12% to 25% by weight of the formulation. 5. The fire-resistant coating of claim 1 wherein the aromatic isocyanate is selected from the group consisting of: toluene diisocyanate (TDI), monomeric methylene diphenyldiisocyanate (MDI), polymeric methylenediphenyldiisocyanate (pMDI), 1,5′-naphthalenediisocyante, prepolymers of TDI, and prepolymers of pMDI. 6. The fire-resistant coating of claim 1, further comprising fumed silica present in a quantity ranging from 1% to 10% by weight of the formulation. 7. The fire-resistant coating of claim 1 wherein the intumescent particles are expandable graphite. 8. The fire-resistant coating of claim 1, further comprising one or more additives, the one or more additives selected from the group consisting of: silica, surfactants, wetting agents, opacifying agents, colorants, viscosifying agents, catalysts, preservatives, fillers, diluents, hydrated compounds, halogenated compounds, acids, bases, salts, borates, and melamine. 9. A fire-resistant wood product comprising: a wood element having one or more surfaces;a fire-resistant coating disposed on at least a portion of the one or more surfaces, the fire resistant coating comprising: an aromatic isocyanate present in a quantity ranging from 24% to 39% by weight of the coating; andcastor oil present in a quantity ranging from 37% to 65% by weight of the coating; andintumescent particles present in a quantity ranging from 1% to 40% by weight of the coating. 10. The fire-resistant wood product of claim 9 wherein the fire-resistant coating is present in a quantity ranging from 0.05 grams per square inch to 3.0 grams per square inch. 11. The fire-resistant wood product of claim 9 the aromatic isocyanate is selected from the group consisting of: toluene diisocyanate (TDI), monomeric methylene diphenyldiisocyanate (MDI), polymeric methylenediphenyldiisocyanate (pMDI), 1,5′-naphthalenediisocyante, prepolymers of TDI, and prepolymers of pMDI. 12. The fire-resistant wood product of claim 9 wherein the intumescent particles are expandable graphite. 13. The fire-resistant wood product of claim 9 wherein the fire-resistant coating covers 100% of each of the one or more surfaces. 14. The fire-resistant wood product of claim 9 wherein the wood element is selected from the group consisting of: wood composites and solid sawn lumber. 15. A fire-resistant wood product comprising: a top flange;a bottom flange; andone or more webstock members connecting the top flange to the bottom flange;wherein at least a portion of the I-joist is coated in a fire-resistant coating, the fire resistant coating comprising: an aromatic isocyanate present in a quantity ranging from 24% to 39% by weight of the coating; andcastor oil present in a quantity ranging from 37% to 65% by weight of the coating; andintumescent particles present in a quantity ranging from 1% to 40% by weight of the coating. 16. The fire-resistant wood product of claim 15 wherein the fire-resistant coating is present in a quantity ranging from 0.05 grams per square inch to 3.0 grams per square inch. 17. The fire-resistant wood product of claim 15 wherein at least a portion of the webstock member is coated in the fire-resistant coating. 18. The fire-resistant wood product of claim 15 wherein at least a portion of the top flange is coated in the fire-resistant coating. 19. The fire-resistant wood product of claim 15 wherein at least a portion of the bottom flange is coated in the fire-resistant coating. 20. The fire-resistant wood product of claim 15 wherein 50% to 100% of the wood product's surface is coated in the fire-resistant coating. 21. The fire-resistant wood product of claim 15 wherein the wood product is selected from the group consisting of: I-joists, trusses, solid sawn lumber, parallel strand lumber (PSL), oriented strand board (OSB), oriented strand lumber (OSL), laminated veneer lumber (LVL), laminated strand lumber (LSL), particleboard, and medium density fiberboard (MDF).
※ AI-Helper는 부적절한 답변을 할 수 있습니다.