Phosphorus-free acidic cleaning agent, preparation method and application thereof
A cleaning agent, phosphoric acid technology, applied in the field of cleaning agents, to achieve the effect of enhanced removal, strong descaling ability, and scientific and reasonable formula
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Embodiment 1
[0046] This embodiment discloses a kind of non-phosphoric acid cleaning agent, comprises each component of weight ratio as follows:
[0047]
[0048] The organic acid: methylsulfonic acid, sulfamic acid; acid buffer: glycolic acid, lactic acid; corrosion inhibitor: benzotriazole; low-foaming surfactant: fatty acid methyl ester ethoxylate; builder : Alcohol ether solvent, acrylic acid / maleic acid copolymer.
[0049] The preparation method of this embodiment without phosphoric acid cleaning agent:
[0050] 1. Add water, formic acid, organic acid, acid buffer and mix well
[0051] 2. Add low-foaming surfactant and builder and stir evenly
[0052]3. Add corrosion inhibitor and stir evenly
[0053] The present embodiment has no phosphoric acid cleaning agent physical and chemical index:
[0054] Appearance: Light yellow to brown yellow transparent liquid
[0055] Density: 1.086g / cm 3
[0056] pH: 0.98
[0057] Titration number (10ml solution): 27.6ml
[0058] Boiling po...
Embodiment 2
[0062] This embodiment discloses a kind of non-phosphoric acid cleaning agent, comprises each component of weight ratio as follows:
[0063]
[0064] Described organic acid: citric acid; Acidic buffer: glycolic acid; Corrosion inhibitor: benzotriazole; Low-foaming surfactant: fatty alcohol polyoxyethylene ether, alkyl glycoside; Builder: alcohol ether solvent, JFC.
[0065] The preparation method of this embodiment without phosphoric acid cleaning agent:
[0066] 1. Add water, formic acid, organic acid, acid buffer and mix well
[0067] 2. Add low-foaming surfactant and builder and stir evenly
[0068] 3. Add corrosion inhibitor and stir evenly
[0069] The present embodiment has no phosphoric acid cleaning agent physical and chemical index:
[0070] Appearance: Light yellow to brown yellow transparent liquid
[0071] Density: 1.088g / cm 3
[0072] pH: 0.76
[0073] Titration number (10ml solution): 29ml
[0074] Boiling point: 100°C
[0075] Foam (3% aqueous solut...
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