Compositions containing hydrogen peroxide or substances releasing hydrogen peroxide
A technology of hydrogen peroxide and composition, applied in the directions of organic peroxy/inorganic per compound composition, peroxide/peroxyhydrate/peroxyacid/superoxide/ozone, detergent composition, etc. Solve problems such as unsatisfactory stability
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Embodiment 1
[0092] Solvay's hydrogen peroxide solution (35% by weight in water), Merck's hydrogen peroxide solution (35% by weight in water) were diluted with deionized water to a hydrogen peroxide content of about 6.0% by weight and washed with sodium hydroxide solution (20 % by weight) was adjusted to a pH of 9.0. 8 ppm of 4-methyl-6-(2,4,4-trimethylpentyl)-1-hydroxy-2-pyridone (Additive A, dissolved in propylene glycol) was added to the other solutions each. The solutions were stored at room temperature (20°C) and 40°C for 1 week, and the hydrogen peroxide content was measured before and after storage (see Table 1).
[0093] The measurement result of table 1 hydrogen peroxide content
[0094]
Embodiment 2
[0096] Solvay's hydrogen peroxide solution (35% by weight in water), Merck's hydrogen peroxide solution (35% by weight in water), C 14-17 A solution of sodium secondary alkyl sulfonate ( SAS 30) and deionized water were mixed such that a hydrogen peroxide content of about 6.0% by weight and a C of 5.0% by weight 14-17Secondary sodium alkyl sulfonate content. Thereafter, the pH was adjusted to 9.0 using an aqueous sodium hydroxide solution (20% by weight). 7 ppm each of 4-methyl-6-(2,4,4-trimethylpentyl)-1-hydroxy-2-pyridone (additive A, dissolved in propylene glycol) was added to the other solutions. The solutions were stored at room temperature and at 40° C. for 1 week, and the hydrogen peroxide content was measured before and after storage (see Table 2).
[0097] The measurement result of table 2 hydrogen peroxide content
[0098]
[0099] The results of Examples 1 and 2 show that 4-methyl-6-(2,4,4-trimethylpentyl)-1-hydroxyl-2-pyridone can significantly improve the ...
preparation Embodiment 1
[0101] Formulation Example 1: Pre-cleaning agent for washing
[0102]
[0103] preparation:
[0104] 4-Methyl-6-(2,4,4-trimethylpentyl)-1-hydroxy-2-pyridone monoethanolamine salt Soluble in propylene glycol. Dissolve the surfactant in water, introduce the hydrogen peroxide solution and the propylene glycol solution and homogenize. The product was adjusted to pH=4.
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