Formaldehyde-removing and odor-removing gel and preparation method thereof

Abstract

The invention relates to formaldehyde-removing and odor-removing gel and a preparation method thereof, and belongs to the technical field of purification. The gel is prepared from the following raw material components in parts by mass: 1%-5% of gelatinizing agent, 0.5%-3% of curing agent, 0.1%-2% of defoaming agent, 10%-30% of zinc ricinoleate nanoemulsion, 5%-10% of amino-terminated hyperbranchedpolymer, 0.2%-1% of complexing agent, 0.1%-0.5% of preservative, 0.1%-0.5% of pigment, 0-0.3% of essential oil and the balance water. The preparation method comprises the following steps: keeping stirring, adding a gelatinizing agent into water, dropwise adding a curing agent after dissolving, adding a complexing agent after dissolving, adding zinc ricinoleate nanoemulsion and an amino-terminatedhyperbranched polymer, adding a defoaming agent, a preservative, pigment and essential oil after dissolving, supplementing water after dissolving, cooling and solidifying to obtain the gel. The gel is safe, environmentally friendly, natural, degradable and capable of sustainably releasing active ingredients, decomposing free formaldehyde in air and eliminating peculiar smells, and reaction products cannot cause secondary pollution to the air.

Description

technical field [0001] The invention relates to a formaldehyde-removing and odor-removing gel and a preparation method thereof, in particular to a gel for continuously eliminating formaldehyde and peculiar smell, and belongs to the technical field of purification. Background technique [0002] Formaldehyde is extremely harmful to the human body. When the concentration of formaldehyde in the air is greater than 0.08mg / m 3 Sometimes, it can cause red eyes, itchy eyes, throat discomfort or pain, hoarseness, sneezing, chest tightness, asthma, dermatitis, etc. For newly decorated rooms, the release cycle of formaldehyde can be as long as 3 to 15 years, and it will be volatilized from the deep layer of the material when it encounters heat and moisture, polluting the environment. Long-term, low-concentration exposure to formaldehyde can cause headaches, dizziness, fatigue, sensory disturbances, low immunity, chronic poisoning, etc., and even cause special cancers such as leukemia ...

AI Technical Summary

Problems solved by technology

Due to the limited adsorption capacity of the adsorption method, it is easy to achieve saturation and desorption, resulting in secondary pollution. The sealing and covering method can seal the formaldehyde in the furniture for a long time, but the removal effect of free formaldehyde in the air is poor; Fragrance masks odor, does not eliminate odor at its root

The chemical reaction method usually adopts the spray method. Since the liquid mist stays in the air for a short period of time, it can only remove aldehydes and odors in a short period of time. It cannot continuously eliminate the free formaldehyde and odor molecules released into the air for a long time.

[0004] Chinese patent CN 111111628A discloses an air deodorizing gel and its preparation method. The amino compound of the plant extract is used for the addition reaction of aldehyde gas, and the organic acid is condensed with malodorous molecules such as trimethylamine, but the organic acid will cause the formula Formulated with a low pH and is corrosive

[0005] Chinese patent CN103845751B discloses a gel-type refrigerator degerming and deodorizing agent, which uses edible glue, zinc ricinoleate, solvent, emulsifier, bactericidal agent and charcoal to remove the peculiar smell in the refrigerator, wherein a large amount of volatile alcohols are used Organic solvents, which will instead cause the accumulation of organic solvents in the closed space of the refrigerator

[0006] Chinese patent CN108404186A discloses a vehicle-mounted space air purifier, which is made of modified zinc ricinoleate, plant extracts, plant essential oils, polymer water-soluble fungicides and other components, but the vehicle-mounted space air purifier It is not suitable for you to expose to the air for too long, you need to fill it immediately

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