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Use of boron to reduce the thermal conductivity of unbonded loosefill insulation
US9523190B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9523190-B2 |
| Application number | US-201313964174-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 12, 2013 |
| Priority date | Apr 29, 2011 |
| Publication date | Dec 20, 2016 |
| Grant date | Dec 20, 2016 |
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- Title
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Abstract
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A method for manufacturing unbonded loosefill insulation material configured for distribution in a blowing insulation machine is provided. The method includes the steps of establishing apparatus configured for making fibrous materials, the apparatus including structures configured to provide molten materials to fiberizing apparatus and collection apparatus configured to collect the formed fibrous materials, determining whether the formed fibrous material will be further processed as loosefill insulation material or other fibrous products, and formulating a composition of the molten material in response to the determination of whether the formed fibrous material will be further processed as loosefill insulation material or other fibrous products.
First claim
Opening claim text (preview).
What is claimed is: 1. An unbonded loosefill insulation material formed from a glass batch, the glass batch comprising, in weight percent: SiO 2 62.0-69.0-% Al 2 O 3 0.0-4.0% CaO 7.0-12.0% MgO 0.0-5.0% B 2 O 3 from greater than 7.0 to less than 8.0% Na 2 O 13.0-18.0% K 2 O 0.0-3.0% wherein the unbonded loosefill insulation material is configured for distribution in a blowing insulation machine; and wherein the unbonded loosefill insulation material includes a plurality of individual tufts. 2. The unbonded loosefill insulation material of claim 1 , wherein the glass batch comprises additional ingredients selected from the group consisting of potassium, iron, titanium, and strontium oxides. 3. The unbonded loosefill insulation material of claim 1 , wherein the tufts have a tuft density in a range of from 4.0 kilograms per cubic meter to 11.2 kilograms per cubic meter. 4. An unbonded loosefill insulation material foamed from a glass batch, the glass hatch comprising, in weight percent: SiO 2 62.0-69.0-% Al 2 O 3 0.0-4.0% CaO 7.0-12.0% MgO 0.0-5.0% B 2 O 3 from greater than 7.0 to less than 14.0% Na 2 O 13.0-18.0% K 2 O 0.0-3.0% wherein the unbonded loosefill insulation material is configured for distribution in a blowing insulation machine; and wherein the unbonded loosefill insulation material includes a plurality of individual tufts. 5. The unbonded loosefill insulation material of claim 4 , wherein the glass batch comprises additional ingredients selected from the group consisting of potassium, iron, titanium, and strontium oxides. 6. The unbonded loosefill insulation material of claim 4 , wherein the tufts have a tuft density in a range of from 4.0 kilograms per cubic meter to 11.2 kilograms per cubic meter. 7. An unbonded loosefill insulation material comprising glass fibers consisting of a glass batch that comprises, in weight percent: SiO 2 62.0-69.0-% Al 2 O 3 0.0-4.0% CaO 7.0-12.0% MgO 0.0-5.0% B 2 O 3 from greater than 7.0 to less than 8.0% Na 2 O 13.0-18.0% K 2 O 0.0-3.0% wherein the unbonded loosefill insulation material is configured for distribution in a blowing insulation machine.
Assignees
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Classifications
containing aluminium · CPC title
Mineral fibres, e.g. slag wool, mineral wool, rock wool · CPC title
Fibre or filament compositions (manufacture of fibres or filaments C03B37/00) · CPC title
- E04B1/7604Primary
fillings for cavity walls · CPC title
Compositions for glass with special properties · CPC title
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- What does patent US9523190B2 cover?
- A method for manufacturing unbonded loosefill insulation material configured for distribution in a blowing insulation machine is provided. The method includes the steps of establishing apparatus configured for making fibrous materials, the apparatus including structures configured to provide molten materials to fiberizing apparatus and collection apparatus configured to collect the formed fibro…
- Who is the assignee on this patent?
- Owens Corning Intellectual Capital Llc
- What technology area does this patent fall under?
- Primary CPC classification E04B1/7604. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Dec 20 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).