Polyester resin and method of using the same, cosmetic container and cosmetic product
The polyester resin of the present invention is a polymer containing (A) an acid component and (B) an alcohol component. Component (A) contains 72 mol % or more of (A1) terephthalic acid component and 8 mol % to 28 mol % of (A2) isophthalic acid component, relative to the total amount of component (...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The polyester resin of the present invention is a polymer containing (A) an acid component and (B) an alcohol component. Component (A) contains 72 mol % or more of (A1) terephthalic acid component and 8 mol % to 28 mol % of (A2) isophthalic acid component, relative to the total amount of component (A). Component (B) contains 77 mol% or more of (B1) ethylene glycol component, 4 mol% to 18 mol% of (B2) 2,2-dimethyl-1,3-propanediol component, and 5 mol% or less of (B3) a diethylene glycol component, relative to the total amount of component (B). The sum of the content percentage of component (A2) with respect to component (A) and the content percentage of component (B2) with respect to component (B) is 24 mol % to 43 mol %. |
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