Method for preparing nano particles
First Claim
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1. A method for preparing nanoparticle powder of an active ingredient, comprising:
- (1) uniformly mixing an active ingredient with a surfactant having an HLB value of 8 or more and a melting point or a glass transition temperature of 80°
C. or lower; and
(2) grinding the mixture obtained in step (1) by using a roller mill,wherein water is added to the mixture in step (1) or step (2) and the amount of water is 1% to 5% by weight, based on the total weight of the mixture obtained in step (1).
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Abstract
The present invention relates to a method for manufacturing nano-scale particles of an active material. More particularly, the present invention relates to a method which uniformly mixes a surfactant having an HLB value of 8 or more and a melting point or glass transition temperature of 80° C. or lower and an active material, and mills the mixture using a roller mill, to thereby prepare nanoparticle powder from the active material.
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14 Claims
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1. A method for preparing nanoparticle powder of an active ingredient, comprising:
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(1) uniformly mixing an active ingredient with a surfactant having an HLB value of 8 or more and a melting point or a glass transition temperature of 80°
C. or lower; and(2) grinding the mixture obtained in step (1) by using a roller mill, wherein water is added to the mixture in step (1) or step (2) and the amount of water is 1% to 5% by weight, based on the total weight of the mixture obtained in step (1). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification