Glass microbubbles, raw product, and methods of making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-011/00
C03C-003/097
C03B-019/10
C03C-001/00
C03C-003/064
출원번호
US-0903522
(2014-07-03)
등록번호
US-10053387
(2018-08-21)
국제출원번호
PCT/US2014/045417
(2014-07-03)
국제공개번호
WO2015/009461
(2015-01-22)
발명자
/ 주소
Morris, Geoffrey P.
출원인 / 주소
3M Innovative Properties Company
대리인 / 주소
Wright, Bradford B.
인용정보
피인용 횟수 :
0인용 특허 :
13
초록▼
Glass microbubbles include on an average weight basis: from 25.0 to 37.4 percent by weight of silicon; from 5.7 to 8.6 percent by weight of calcium; from 5.2 to 14.9 percent by weight, on a total combined weight basis, of at least one of sodium or potassium; from 0.3 to 0.9 percent of boron; and fro
Glass microbubbles include on an average weight basis: from 25.0 to 37.4 percent by weight of silicon; from 5.7 to 8.6 percent by weight of calcium; from 5.2 to 14.9 percent by weight, on a total combined weight basis, of at least one of sodium or potassium; from 0.3 to 0.9 percent of boron; and from 0.9 to 2.6 percent of phosphorus, wherein the weight ratio of phosphorus to boron is in the range of from 1.4 to 4.2, and wherein the glass microbubbles comprise less than 0.4 percent by weight of zinc. A raw product including the glass microbubbles, and methods of making the raw product are also disclosed.
대표청구항▼
1. Glass microbubbles comprising, on an average basis: from 28.1 to 37.4 percent by weight of silicon;from 5.7 to 8.6 percent by weight of calcium;from 5.2 to 14.9 percent by weight, on a total combined weight basis, of at least one of sodium or potassium;from 0.3 to 0.9 percent of boron; andfrom 0.
1. Glass microbubbles comprising, on an average basis: from 28.1 to 37.4 percent by weight of silicon;from 5.7 to 8.6 percent by weight of calcium;from 5.2 to 14.9 percent by weight, on a total combined weight basis, of at least one of sodium or potassium;from 0.3 to 0.9 percent of boron; andfrom 0.9 to 2.6 percent of phosphorus, wherein the weight ratio of phosphorus to boron is in the range of from 1.4 to 4.2, and wherein the glass microbubbles comprise less than 0.4 percent by weight of zinc. 2. Glass microbubbles according to claim 1, comprising from 6.4 to 7.9 percent by weight of calcium. 3. Glass microbubbles according to claim 1, comprising, on a total combined weight basis, from 6.7 to 9.1 percent by weight of at least one of sodium or potassium. 4. Glass microbubbles according to claim 1, comprising from 0.4 to 0.6 percent by weight of boron. 5. Glass microbubbles according to claim 1, comprising from 1.0 to 2.0 percent by weight of phosphorus. 6. Glass microbubbles according to claim 1, wherein the weight ratio of phosphorus to boron is in the range of from 1.8 to 2.5. 7. Glass microbubbles according to claim 1, comprising less than 0.01 percent by weight of zinc. 8. Glass microbubbles according to claim 1, wherein the glass microbubbles have a true density of less than 0.7 g/cm3. 9. A method of making raw product comprising glass microbubbles, the method comprising heating and expanding feed to provide the raw product, wherein the glass microbubbles comprise, on an average basis: from 28.1 to 37.4 percent by weight of silicon;from 5.7 to 8.6 percent by weight of calcium;from 5.2 to 14.9 percent by weight, on a combined weight basis, of at least one of sodium or potassium;from 0.3 to 0.9 percent of boron; andfrom 0.9 to 2.6 percent of phosphorus, wherein the weight ratio of phosphorus to boron is in the range of from 1.4 to 4.2, and wherein the glass microbubbles comprise less than 0.4 percent by weight of zinc. 10. A method according to claim 9, wherein the glass microbubbles comprise from 0.4 to 0.6 percent by weight of boron. 11. A method according to claim 9, wherein the glass microbubbles have a true density of less than 0.7 g/cm3. 12. A raw product comprising glass microbubbles and unexpanded glass particles, wherein on an average basis, the raw product comprises from 28.1 to 37.4 percent by weight of silicon;from 5.7 to 8.6 percent by weight of calcium;from 5.2 to 14.9 percent by weight, on a combined weight basis, of at least one of sodium or potassium;from 0.3 to 0.9 percent of boron; andfrom 0.9 to 2.6 percent of phosphorus, wherein the weight ratio of phosphorus to boron is in the range of from 1.4 to 4.2, and wherein the glass microbubbles comprise less than 0.4 percent by weight of zinc. 13. A raw product according to claim 12, comprising from 0.4 to 0.6 percent by weight of boron. 14. A raw product according to claim 12, wherein the raw product has a true density of less than 0.7 g/cm3.
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이 특허에 인용된 특허 (13)
Castle Richard B. (St. Paul MN), Compositions comprising fused particulates and methods of making them.
Saito Osamu (Atsugi JPX) Yagi Norihiko (Urawa JPX) Ito Yoshinori (Kawaguchi JPX), Glass frit useful for the preparation of glass bubbles, and glass bubbles prepared by using it.
Block Jacob (Rockville MD) Lau John W. (Gaithersburg MD) Rice Roy W. (Alexandria VA) Colageo Anthony J. (Sharon MA), Method for making low sodium hollow glass microspheres.
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