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US 12,297,149 B2Granted
Multiphase particle, manufacturing process and use thereof
AssigneesChina Petroleum & Chemical Corporation, Petroleum Engineering Research Institute, Sinopec
InventorsXuepeng Liu, Wei Liu, Shiming Zhou, Shidong Ding, Qian Tao, Qichun Wang
Life of this patent
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Abstract
A multiphase particle has a multiphase structure comprising a first phase and a second phase and has an average particle size of 0.1-100 mm. The multiphase particle has a high bulk strength and a good interface binding power with the hardened cement and is particularly suitable for the toughening application of the hardened cement.
Claims8
A method for producing a multiphase particle, comprising:
- reacting at least one polyfunctional organic monomer and at least one polyfunctional inorganic monomer exhibiting a chemical reaction activity to the polyfunctional organic monomer in presence of at least one inorganic nanoparticle and at least one polyfunctional reactive hydrogen organic compound in presence of a catalyst or in absence of a catalyst, to obtain an organic-inorganic composite material in a solid form, and
- comminuting the organic-inorganic composite material to obtain the multiphase particle, wherein the average particle size of the multiphase particle is at least 0.1 mm and at most 100 mm,
- wherein the polyfunctional organic monomer is an organic compound having two or more isocyanate (—NCO) groups per molecule,
- wherein the polyfunctional inorganic monomer is an inorganic compound having 2 or more—OH groups per molecule and/or a precursor thereof, and
- wherein the polyfunctional reactive hydrogen organic compound is an organic compound containing two or more reactive hydrogen atoms per molecule.
2 more elements
Dependencies are inferred from the claim text.