Goetz Kenneth E. (Maplewood NJ) Hagarman James A. (Audubon PA) Giovene
Jr. Joseph P. (Belleville NJ)
출원인 / 주소
Potters Industries, Inc. (Hasbrouck Heights NJ 02)
인용정보
피인용 횟수 :
43인용 특허 :
3
초록▼
Hollow glass spheres having average densities of approximately 0.10 grams/cc to approximately 2.0 grams/cc are prepared by heating solid glass particles. The glass spheres consist essentially of the following ingredients in the following amounts state as weight percentages: SiO2(50 to 57%); R2O(2 to
Hollow glass spheres having average densities of approximately 0.10 grams/cc to approximately 2.0 grams/cc are prepared by heating solid glass particles. The glass spheres consist essentially of the following ingredients in the following amounts state as weight percentages: SiO2(50 to 57%); R2O(2 to 15%); B2O3(0 to 20%); S(0.05 to 1.5%); RO(2 to 25%); RO2(other than SiO2) (0 to 5%); R2O3(other than B2O3) (0 to 10%); R2O5(0 to 5%); and F(0 to 5%). R represents a metal or an element like phosphorous which combines with oxygen in glass. The sizes of the hollow glass spheres are selected to produce a maximum average strength for a desired average density.
대표청구항▼
Hollow glass spheres made by heating solid glass particles, said spheres having average densities of approximately 0.10 grams/cc to approximately 2.0 grams/cc and consisting essentially of the following ingredients in the following amounts stated as weight percentages: ______________________________
Hollow glass spheres made by heating solid glass particles, said spheres having average densities of approximately 0.10 grams/cc to approximately 2.0 grams/cc and consisting essentially of the following ingredients in the following amounts stated as weight percentages: ________________________________ -SiO2 50-57 R2O 2-15 B2O3 0-20 S .05-1.5 RO 2-25 RO2 other than SiO2 0-5 R2O3 other than B2O3 0-10 R2O5 0-5 F 0-5, ________________________________ wherein R represents a metal or other element, having a valence of 1, 2, 3, 4, or 5 as dictated by the formulae set forth above, which combines with oxygen, and wherein the hollow glass spheres have a gradient quotient of 0.8 to 1.3. A product of hollow and solid glass spheres made by heating solid glass particles, said product having an average density of approximately 0.10 grams/cc to approximately 2.0 grams/cc and consisting essentially of the following ingredients in the following amounts stated as weight percentages: ________________________________ -SiO2 50-57 R2O 2-15 B2O3 0-20 S .05-1.5 RO 2-25 RO2 other than SiO2 0-5 R2O3 other than B2O3 0-10 R2O5 0-5 F 0-5, ________________________________ wherein R represents a metal or other element, having a valence of 1, 2, 3, 4, or 5 as dictated by the formulae set forth above, which combines with oxygen, and wherein the hollow glass spheres have a gradient quotient of 0.8 to 1.3. An article of manufacture comprising a polymeric compound and dispersed therein the hollow glass spheres made by heating solid glass particles, said spheres having average densities of approximately 0.10 grams/cc to approximately 2.0 grams/cc and consisting essentially of the following ingredients in the following amounts stated as weight percentages: ________________________________ -SiO2 50-57 R2O 2-15 B2O3 0-20 S .05-1.5 RO 2-25 RO2 other than SiO2 0-5 R2O3 other than B2O3 0-10 R2O5 0-5 F 0-5, ________________________________ wherein R represents a metal or other element, having a valence of 1, 2, 3, 4, or 5 as dictated by the formulae set forth above, which combines with oxygen, and wherein the hollow glass spheres have a gradient quotient of 0.8 to 1.3. An article of manufacture comprising a polymeric compound and dispersed therein the product of hollow and solid glass spheres made by heating solid glass particles, said product having an average density of approximately 0.10 grams/cc to approximately 2.0 grams/cc and consisting essentially of the following ingredients in the following amounts stated as weight percentages: ________________________________ -SiO2 50-57 R2O 2-15 B2O3 0-20 S .05-1.5 RO 2-25 RO2 other than SiO2 0-5 R2O3 other than B2O3 0-10 R2O5 0-5 F 0-5, ________________________________ wherein R represents a metal or other element, having a valence of 1, 2, 3, 4, or 5 as dictated by the formulae set forth above, which combines with oxygen, and wherein the hollow glass spheres have a gradient quotient of 0.8 to 1.3.
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