[특허]Fibrous structured amorphous silica including precipitated calcium carbonate and compositions of matter made therewith

Fibrous structured amorphous silica including precipitated calcium carbonate and compositions of matter made therewith 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C09B-048/00 C09B-067/52 C09C-001/00 D21H-019/38
출원번호	US-0470840 (2017-03-27)
등록번호	US-10077363 (2018-09-18)
발명자 / 주소	Mathur, Vijay K
출원인 / 주소	PACIFIC NANO PRODUCTS, INC.
대리인 / 주소	Goodloe, Jr., R. Reams
인용정보	피인용 횟수 : 0 인용 특허 : 34

초록 ▼

A nano-composite structure. A synthetic nano-composite is described having a first component including a fibrous structured amorphous silica structure, and a second component including a precipitated calcium carbonate structure developed by pressure carbonation. The nano-composite may be useful for

대표청구항 ▼

1. A composition of matter, comprising: a nano-composite structure having(a) a fibrous amorphous silica component, said fibrous amorphous silica component provided in three-dimensional haystack configuration that presents a fibrous structure having interstitial spaces between amorphous silica fibers with inner layers and outer layers with irregular interlacing amorphous silica fibers or filaments which are fixed in relation to each other;(b) a crystalline calcium carbonate component, said crystalline calcium carbonate component comprising aragonite needle structures, said aragonite needle structures arising from said fibrous amorphous silica component; and(c) wherein said nano-composite structure has a major axis of length L in the range from about 10 microns to about 40 microns, and a surface area of from about 40 meters squared per gram to about 200 meters squared per gram. 2. The composition of matter as set forth in claim 1 wherein said amorphous silica fibers have a length of from about 3 microns to about 4 microns. 3. The composition of matter as set forth in claim 1, wherein said amorphous silica fibers have a diameter of about 10 nm. 4. The composition of matter as set forth in claim 1, wherein said amorphous silica fibers have an aspect ratio of from about 50:1 to about 100:1. 5. The composition of matter as set forth in claim 1 wherein said aragonite needle structures comprise aragonite crystals having a length of from about 1 micron to about 10 microns. 6. The composition of matter as set forth in claim 5, wherein said aragonite crystals have a length of from about 3 microns to about 5 microns. 7. The composition of matter as set forth in claim 1, wherein said aragonite needle structures comprise aragonite crystals having a diameter of from about 100 nm to about 200 nm. 8. The composition of matter as set forth in claim 7, wherein said aragonite crystals have an aspect ratio of from about 50:1 to about 100:1. 9. The composition of matter as set forth in claim 1, wherein said composition has a water absorption characteristic in the range of from about 100% to about 300%. 10. The composition of matter as set forth in claim 1, wherein said composition of matter has a water absorption characteristic of at least 100%. 11. The composition of matter as set forth in claim 1, wherein said composition of matter has an oil absorption characteristic in the range of from about 150% to about 300%. 12. The composition of matter as set forth in claim 1, wherein said composition of matter has an oil absorption characteristic in the range of from about 200% to about 250%. 13. The composition of matter as set forth in claim 1, wherein said composition of matter has surface area in the range of from about 50 meters squared per gram to about 150 meters squared per gram. 14. The composition of matter as set forth in claim 1, further characterized in that when mixed with water, the pH is in the range of from about 6.5 to about 7.5. 15. The composition of matter as set forth in claim 1, further characterized in that in an X-ray diffraction of said composition of matter, a major peak for aragonite appears at approximately 3.22 angstroms.

이 특허에 인용된 특허 (34)

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Mathur, Vijay K., Fibrous structured amorphous silica including precipitated calcium carbonate, compositions of matter made therewith, and methods of use thereof.
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Mathur,Vijay K.; Mathur,Varun K., Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment.
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Egami, Miki; Nakashima, Akira; Komatsu, Michio, Method for forming amorphous silica-based coating film with low dielectric constant and thus obtained amorphous silica-based coating film.
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Mathur, Vijay K., Multi-phase calcium silicate hydrates, methods for their preparation, and improved paper and pigment products produced therewith.
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Mathur, Vijay K, Paper, paperboard, or label stock coated with fibrous structured amorphous silica including precipitated calcium carbonate.
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Williams Thomas C. (Ridgefield CT), Silane reactive mineral fillers.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Fibrous structured amorphous silica including precipitated calcium carbonate and compositions of matter made therewith 원문보기

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Fibrous structured amorphous silica including precipitated calcium carbonate and compositions of matter made therewith 원문보기

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