Insulation containing heat expandable spherical additives, calcium acetate, cupric carbonate, or a combination thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04B-001/00
E04B-001/74
출원번호
US-0364584
(2012-02-02)
등록번호
US-8555598
(2013-10-15)
발명자
/ 주소
Wagner, Christophe
Toas, Murray
Mankell, Kurt
출원인 / 주소
Certainteed Corporation
대리인 / 주소
Abel Law Group, LLP
인용정보
피인용 횟수 :
0인용 특허 :
35
초록▼
A method of making thermal insulation includes, forming a thermal insulation product precursor having randomly distributed inorganic fibers and about 5-500 wt. % heat-expandable hollow microspheres in dry or slurry form and having a polymeric shell and having disposed therein a blowing agent or gas,
A method of making thermal insulation includes, forming a thermal insulation product precursor having randomly distributed inorganic fibers and about 5-500 wt. % heat-expandable hollow microspheres in dry or slurry form and having a polymeric shell and having disposed therein a blowing agent or gas, and calcium acetate or cupric carbonate, or a combination of calcium acetate and cupric carbonate, and heating the precursor to expand the microspheres.
대표청구항▼
1. A method of making a thermal insulation product capable of being blown into place, comprising: a) forming a thermal insulation product precursor by disposing onto a receiving surface, a combination consisting of randomly distributed glass fibers being mixed with air, and based on a weight percent
1. A method of making a thermal insulation product capable of being blown into place, comprising: a) forming a thermal insulation product precursor by disposing onto a receiving surface, a combination consisting of randomly distributed glass fibers being mixed with air, and based on a weight percent of the glass fibers, at least about 5-500 wt. % of calcium acetate or cupric carbonate, about 5 wt. %-500 wt. % heat-expandable hollow microspheres in dry or slurry form and containing a heat expandable gas, and a binder for adhering said calcium acetate or cupric carbonate and said hollow microspheres to corresponding said glass fibers;(b) adding a binder to the precursor for adhering said calcium acetate or cupric carbonate to the hollow microspheres and to corresponding glass fibers;(c) heating said thermal insulation product precursor to expand at least a portion of said unexpanded hollow microspheres to increase their size; and(d) cooling said thermal insulation product precursor to form expanded hollow microspheres combined with said fibers to said calcium acetate or said cupric carbonate. 2. The method of claim 1, wherein heating said thermal insulation product precursor further includes heating said heat expandable, hollow microspheres to a diameter of about 20-150 microns from a diameter of about 6-40 microns. 3. The method of claim 1, wherein heating said thermal insulation product precursor further includes heating said heat expandable, hollow microspheres having said polymeric shells selected from the group consisting of: vinylidene chloride, acrylonitrile, methylmethacrylate, and a combination thereof. 4. The method of claim 1, wherein heating said thermal insulation product precursor further includes heating said heat expandable, hollow microspheres having said polymeric shells being heat expandable at a temperature of about 80-200° C. (176-392° F). 5. The method of claim 1, wherein said step (a) comprises rotary spinning glass material into said glass fibers. 6. The method of claim 1, wherein said step (a) comprises rotary spinning glass material into said glass fibers and air laying said glass fibers onto a receiving surface. 7. The method of claim 1, wherein said step (c) comprises heating and curing said binder, wherein said binder comprises a heat curable binder. 8. A method of making a thermal insulation product capable of being blown into place, comprising: (a) forming a thermal insulation product precursor by disposing onto a receiving surface, a combination consisting of randomly distributed glass fibers being mixed with air, and being compressible to remove said air, 5 wt. %-500 wt. % calcium acetate particles based on the wt. % of the fibers, or 5 wt. %-500 wt. % cupric carbonate based on the wt. % of the fibers, and 5 wt. %-500 wt. % heat expandable and hollow microspheres in dry or slurry form and based on the wt. % of the fibers, wherein each of the microspheres comprises a polymeric shell having therein a blowing agent or gas;(b) adding a binder to the precursor for adhering said calcium acetate particles or said cupric carbonate to said hollow microspheres and to corresponding glass fibers;(c) heating said, thermal insulation product precursor to expand at least a portion of said unexpanded hollow microspheres to increase their size; and(d) cooling said thermal insulation product precursor to form expanded hollow microspheres combined with said fibers and said calcium acetate particles or said cupric carbonate. 9. The method of claim 8, wherein heating said thermal insulation product precursor further includes heating said heat expandable, hollow microspheres to a diameter of about 20-150 microns from a diameter of about 6-40 microns. 10. The method of claim 8, wherein heating said thermal insulation product precursor further includes heating said heat expandable, hollow microspheres having said polymeric shells selected from the group consisting of: vinylidene chloride, acrylonitrile, methylmethacrylate, and a combination thereof. 11. The method of claim 8, wherein heating said thermal insulation product precursor further includes heating said heat expandable and hollow microspheres having said polymeric shells being heat expandable at a temperature of about 80-200° C. (176-392° F). 12. The method of claim 8, wherein said step (a) comprises rotary spinning glass material into said glass fibers. 13. The method of claim 8, wherein said step (a) comprises rotary spinning glass material into said glass fibers and air laying said glass fibers onto a receiving surface. 14. The method of claim 8, wherein said step (c) comprises heating and curing said binder, wherein said binder comprises a heat curable binder.
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