CN108607194A - Long-term effect formaldehyde eliminating agent and preparation method thereof - Google Patents
Long-term effect formaldehyde eliminating agent and preparation method thereof Download PDFInfo
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- CN108607194A CN108607194A CN201810455445.7A CN201810455445A CN108607194A CN 108607194 A CN108607194 A CN 108607194A CN 201810455445 A CN201810455445 A CN 201810455445A CN 108607194 A CN108607194 A CN 108607194A
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- aqueous solvent
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D103/00—Coating compositions based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09D103/02—Starch; Degradation products thereof, e.g. dextrin
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/28—Organic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention is suitable for Techniques for Indoor Air Purification field, provide a kind of long-term effect formaldehyde eliminating agent and preparation method thereof, long-term effect formaldehyde eliminating agent include 6 10% formaldehyde reactant, 1 4% konjaku powder, 0.1 0.5% dispersion stabilizer, 0.1 0.5% bleeding agent and 85 93% aqueous solvent.The formaldehyde scavenger forms formaldehyde scavenger coating after acting on pollution sources surface, due to using konjaku powder as film forming matter, other than environmentally protective, also because konjaku powder is dissolved in water distinctive starch gelatinization effect, it is in the case of few additive amount, a degree of transparency and caking property can be embodied, can by formaldehyde reactant is glutinous be attached to pollution sources surface while, and do not cover the purifying formaldehyde reaction of formaldehyde reaction material.Meanwhile hydroxyl group is rich in the molecular structure of konjaku powder, hydroxyl group can make formaldehyde scavenger coating have water imbibition, greatly increase formaldehyde scavenger coating surface formaldehyde absorbing ability, to many-sided efficiency and persistence for promoting purifying formaldehyde.
Description
Technical field
The invention belongs to Techniques for Indoor Air Purification field more particularly to a kind of long-term effect formaldehyde eliminating agent and its preparation sides
Method.
Background technology
Raising with the development and people of real estate to housing quality, the house-purchase and finishing for having expedited the emergence of high frequency time need
It asks.The use of adhesive is also more and more in finishing material and fitment process, and the use of adhesive causes formaldehyde that (formaldehyde is true
Be set to carcinogenic, aberration inducing substance) etc. volatile injurants residual, the harm of this kind of residual contaminants slowly discharged to human body
More see protrusion, become the stealthy killer of health of people.Therefore, how to solve Formaldehyde Pollution of Indoor Air and increasingly cause people's
Pay attention to.
Formaldehyde scavenger is most common in current industry, most effective formaldehyde Treatment process, but existing formaldehyde scavenger
There are following two problems：
One, formaldehyde scavenger belongs to water-soluble reagent mostly, is sprayed at pollution sources surface, and after moisture evaporation, formaldehyde is clear
Except the formaldehyde reaction material in agent will crystallize precipitation, white crystal is shown as, to affect the decoration of indoor furniture, family property
Face appearance.Meanwhile the additive amount of the formaldehyde reaction material in most formaldehyde scavenger will not all add too much on the market, general 1-
2% or so；Accordingly, it is considered to appearance effects problem is not caused to client after use, and the formaldehyde in practical formaldehyde scavenger is anti-
It answers the additive amount of material all more relatively low, the purification efficiency of formaldehyde is caused to fall flat；
Two, in general, most of film forming matter is all high molecular material, all has a degree of covering and covering
Property；Therefore, most of so-called long-acting type formaldehyde scavenger on the market, can be sprayed in a manner of coating and be attached to pollution sources mostly
Surface causes the formaldehyde reaction material coated in formaldehyde scavenger to be wrapped up, to cannot efficiently be adsorbed on film surface
Formaldehyde carry out purification reaction.And the formaldehyde reaction material in the formaldehyde scavenger without filmogen, understand with moisture evaporation, and
Crystallization is precipitated, then and volatilization decomposition and the reduction of a variety of causes slowly lose the effect of purifying formaldehyde.Therefore, both the above
The long-term effect of purifying formaldehyde is not achieved in situation.
Therefore, it is necessary to be further improved existing formaldehyde scavenger to avoid the above problem.
Invention content
The embodiment of the present invention provides a kind of long-term effect formaldehyde eliminating agent and preparation method thereof, it is intended to solve at present on the market
The problem of long-term effect of purifying formaldehyde is not achieved in formaldehyde scavenger.
An embodiment of the present invention provides a kind of long-term effect formaldehyde eliminating agents comprising following component by quality ratio：6-
10% formaldehyde reactant, the konjaku powder of 1-4%, the dispersion stabilizer of 0.1-0.5%, 0.1-0.5% bleeding agent and
The aqueous solvent of 85-93%.
As an implementation, formaldehyde reactant includes 2- imidazolidinones and adipic dihydrazide, 2- imidazolidinones and
Adipic dihydrazide accounts for the 3-5% of long-term effect formaldehyde eliminating agent quality.
As an implementation, 2- imidazolidinones and adipic dihydrazide account for long-term effect formaldehyde eliminating agent quality
3%.
As an implementation, aqueous solvent is deionized water.
As an implementation, long-term effect formaldehyde eliminating agent further includes the fungicide of 0.01-0.05%.
The present invention also provides a kind of preparation method such as above-mentioned long-acting type formaldehyde scavenger, the long-acting type formaldehyde removings
The preparation method of agent includes the following steps：
Step 1: dispersion stabilizer is dissolved in aqueous solvent A, mixed liquor A is obtained；
Step 2: konjaku powder is distributed in mixed liquor A, mixed liquid B is obtained, wherein the quality of aqueous solvent A is konjaku
1-3 times of fine powder quality；
Step 3: being added to mixed liquid B in the aqueous solvent B for being 75-100 DEG C in stirring and temperature, mixed
Close liquid C；
Step 4: after mixed liquor C coolings, formaldehyde reactant is dissolved in mixed liquor C, mixed liquor D is obtained；
Step 5: adding bleeding agent and aqueous solvent C in mixed liquor D, long-acting type formaldehyde scavenger is made.
Wherein, the total amount of aqueous solvent A, aqueous solvent B and aqueous solvent C are aqueous solvent.
As an implementation, in step 1, dispersion stabilizer is dissolved in aqueous solvent A, stirs, obtains mixed liquor
A, wherein stir speed (S.S.) 200-300rpm/min.
As an implementation, the quality of aqueous solvent A is 2 times of konjaku powder quality.
As an implementation, in step 2, konjaku powder is distributed in mixed liquor A, stirs, obtains mixed liquid B,
Wherein, mixing time 10-30min, stir speed (S.S.) 600-1000rpm/min.
As an implementation, in step 3, mixed liquid B is added to by peristaltic pump in aqueous solvent B, aqueous solvent B's
Stir speed (S.S.) is 200-300rpm/min.
As an implementation, in step 5, fungicide is also added in mixed liquor D.
Foregoing invention embodiment provides a kind of long-term effect formaldehyde eliminating agent and preparation method thereof, formaldehyde scavenger effect
Behind pollution sources surface, a thin layer of transparent formaldehyde scavenger coating can be formed, since the present invention is using konjaku powder (food
Grade material) it is used as film forming matter, other than environmentally protective, also because konjaku powder is dissolved in water distinctive starch gelatinization effect
Fruit can embody a degree of transparency and caking property, can stick formaldehyde reactant in the case of few additive amount
While being attached to pollution sources surface, and the purifying formaldehyde reaction of formaldehyde reaction material is not covered.Meanwhile the molecule of konjaku powder
Hydroxyl group is rich in structure, hydroxyl group can make the formaldehyde scavenger coating for being formed in pollution sources surface have water imbibition,
Formaldehyde scavenger coating surface formaldehyde absorbing ability is greatly increased, to many-sided efficiency and persistence for promoting purifying formaldehyde.
Specific implementation mode
The present invention can provide a kind of long-acting formaldehyde scavenger and preparation method thereof.The formaldehyde scavenger acts on pollution sources table
Behind face, a thin layer of transparent formaldehyde scavenger coating can be formed, film forming is used as using konjaku powder since the present invention is pioneering
Substance, except the green environmental protection of food grade materials, because of its distinctive starch gelatinization effect that is dissolved in water, in few additive amount
In the case of, a degree of transparency and caking property can be embodied, formaldehyde reactant can be sticked and be attached to pollution sources surface
Meanwhile and do not cover formaldehyde reaction material purifying formaldehyde reaction, moreover it is possible to because of the distinctive molecule of this modified starch of konjaku powder
The hydroxyl group being rich in structure makes its coating surface have water imbibition, greatly increases coating surface formaldehyde absorbing ability, in many ways
Face promotes the efficiency and persistence of purifying formaldehyde.
Long-term effect formaldehyde eliminating agent includes following component by quality ratio：The formaldehyde reactant of 6-10%, the evil spirit of 1-4%
The aqueous solvent of taro fine powder, the dispersion stabilizer of 0.1-0.5%, the bleeding agent of 0.1-0.5% and 85-93%.
As an implementation, formaldehyde reactant includes 2- imidazolidinones and adipic dihydrazide, 2- imidazolidinones and
Adipic dihydrazide accounts for the 3-5% of long-term effect formaldehyde eliminating agent quality.For example, 2- imidazolidinones account for long-term effect formaldehyde eliminating agent
3%, 4%, 5% etc. of quality, adipic dihydrazide account for 3%, 4%, 5% etc. of long-term effect formaldehyde eliminating agent quality.As one
Kind embodiment, 2- imidazolidinones and adipic dihydrazide account for the 3% of long-term effect formaldehyde eliminating agent quality.
As an implementation, aqueous solvent is deionized water.
As an implementation, long-term effect formaldehyde eliminating agent further includes the fungicide of 0.01-0.05%.For example, sterilization
Agent accounts for 0.01%, 0.02%, 0.03%, 0.05% etc. of long-term effect formaldehyde eliminating agent quality.
As an implementation, the fungicide is dodecyl benzyl dimethyl ammonium chloride.
As an implementation, bleeding agent selects fatty alcohol polyoxyethylene ether.
As an implementation, dispersion stabilizer selects polysorbas20, polysorbas20 also known as polyoxyethylene (20) sorbitol anhydride
Monolaurate.
The present invention also provides a kind of preparation method such as above-mentioned long-acting type formaldehyde scavenger, the long-acting type formaldehyde removings
The preparation method of agent includes the following steps：
Step 1: dispersion stabilizer is dissolved in aqueous solvent A, mixed liquor A is obtained.Dispersion stabilizer can walked subsequently
The effects that solubilising for playing the role of konjaku powder stably dispersing in rapid, while can also playing formaldehyde reactant is stablized.
Step 2: konjaku powder is distributed in mixed liquor A, mixed liquid B is obtained, wherein the quality of aqueous solvent A is konjaku
1-3 times of fine powder quality.
Step 3: being added to mixed liquid B in the aqueous solvent B for being 75-100 DEG C in stirring and temperature, mixed
Close liquid C.Wherein it is preferred to which the temperature of aqueous solvent B is 90 °.Konjaku powder is difficult to dissolve under cold water state, needs water temperature
It at 75 DEG C or more, can normally dissolve, but not directly be added in hot water, because konjaku powder powder encounters hot water meeting
The internal undissolved part of rapid gelatinisation package, causes solution viscosity to increase, it is difficult to be uniformly dissolved.It is therefore desirable to by konjaku essence
Powder is first uniform with cold water mix, is then added slowly to stirring and dissolving in hot water.
Step 4: after mixed liquor C coolings, formaldehyde reactant is dissolved in mixed liquor C, mixed liquor D is obtained；
Step 5: adding bleeding agent and aqueous solvent C in mixed liquor D, long-acting type formaldehyde scavenger is made.
Wherein, the total amount of aqueous solvent A, aqueous solvent B and aqueous solvent C are aqueous solvent.
As an implementation, dispersion stabilizer is dissolved in aqueous solvent A, stirs, obtains mixed liquor A, wherein stir
It is 200-300rpm/min to mix rate.Stir speed (S.S.) can be 200rpm/min, 220rpm/min, 260rpm/min, 300rpm/
Min etc..
As an implementation, the quality of aqueous solvent A is 2 times of konjaku powder quality.As an implementation, will
Konjaku powder is distributed in mixed liquor A, and stirring obtains mixed liquid B, wherein mixing time 10-30min, stir speed (S.S.) are
600-1000rpm/min.Stir speed (S.S.) can be 600rpm/min, 700rpm/min, 800rpm/min, 1000rpm/min etc..
Stirring can make particle refinement of the konjaku powder in mixed liquor A, be conducive to the dissolving of konjaku powder in step 3.
Preferably, mixing time is 20min, stir speed (S.S.) 800rpm/min.
As an implementation, in step 3, mixed liquid B is added to by peristaltic pump in aqueous solvent B, aqueous solvent B's
Stir speed (S.S.) is 200-300rpm/min.For example, stir speed (S.S.) can be 200rpm/min, 220rpm/min, 260rpm/min,
300rpm/min etc.；When adding mixed liquid B by peristaltic pump, addition time control was at 30 minutes or so so that mixed liquid B is slowly
Equably addition finishes.
As an implementation, in step 5, fungicide is also added in mixed liquor D.
As an implementation, long-acting type formaldehyde scavenger is made also by filtering.Filtered long-acting type formaldehyde is clear
It is preserved except agent packs rear room temperature.
As an implementation, filtering uses the filter cloth of 300 mesh.
There is provided embodiment 1-3 and comparative example 1-3, wherein embodiment 1-3 is the implementation of long-acting type formaldehyde scavenger of the present invention
Example.According to professional standard JC/T 1074-2008《Function of purifying indoor air coating material purifying property》Defined test method
With parameter and standard, purifying formaldehyde efficiency and purifying formaldehyde persistence and observation coating appearance situation are tested out, specifically see the table below：
As seen from the above table, formaldehyde reactant additive amount is excessive, and after coating moisture evaporation, crystallization is whitened caused by being precipitated；Evil spirit
Taro fine powder can promote purifying formaldehyde persistence, can also improve purifying formaldehyde efficiency to a certain extent；Konjaku powder dissolving paste
After change, be added to it is a certain amount of after can bring the skin feel to be the excessive counter productive of stickiness, but do not influence the purification of product formaldehyde
Ability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of long-term effect formaldehyde eliminating agent, which is characterized in that including following component by quality ratio：The formaldehyde of 6-10% is anti-
Answer agent, the konjaku powder of 1-4%, the dispersion stabilizer of 0.1-0.5%, the bleeding agent of 0.1-0.5% and 85-93% solvent
Water.
2. long-term effect formaldehyde eliminating agent as described in claim 1, which is characterized in that formaldehyde reactant include 2- imidazolidinones and
Adipic dihydrazide, 2- imidazolidinones and adipic dihydrazide account for the 3-5% of long-term effect formaldehyde eliminating agent quality.
3. long-term effect formaldehyde eliminating agent as claimed in claim 2, which is characterized in that 2- imidazolidinones and adipic dihydrazide are equal
Account for the 3% of long-term effect formaldehyde eliminating agent quality.
4. long-term effect formaldehyde eliminating agent as described in claim 1, which is characterized in that aqueous solvent is deionized water.
5. the long-term effect formaldehyde eliminating agent as described in any one of claim 1-4, which is characterized in that long-term effect formaldehyde eliminating agent
It further include the fungicide of 0.01-0.05%.
6. a kind of preparation method of long-acting type formaldehyde scavenger as described in any one of claim 1-4, which is characterized in that packet
Include following steps：
Step 1: dispersion stabilizer is dissolved in aqueous solvent A, mixed liquor A is obtained；
Step 2: konjaku powder is distributed in mixed liquor A, mixed liquid B is obtained, wherein the quality of aqueous solvent A is konjaku powder
1-3 times of quality；
Step 3: being added to mixed liquid B in the aqueous solvent B for being 75-100 DEG C in stirring and temperature, mixed liquor is obtained
C；
Step 4: after mixed liquor C coolings, formaldehyde reactant is dissolved in mixed liquor C, mixed liquor D is obtained；
Step 5: adding bleeding agent and aqueous solvent C in mixed liquor D, long-acting type formaldehyde scavenger is made.
Wherein, the total amount of aqueous solvent A, aqueous solvent B and aqueous solvent C are aqueous solvent.
7. the preparation method of long-acting type formaldehyde scavenger as claimed in claim 6, which is characterized in that the quality of aqueous solvent A is
2 times of konjaku powder quality.
8. the preparation method of long-acting type formaldehyde scavenger as claimed in claim 6, which is characterized in that in step 2, by konjaku
Fine powder is distributed in mixed liquor A, and stirring obtains mixed liquid B, wherein mixing time 10-30min, stir speed (S.S.) 600-
1000rpm/min。
9. the preparation method of long-acting type formaldehyde scavenger as claimed in claim 6, which is characterized in that in step 3, mixed liquid B
It is added in aqueous solvent B by peristaltic pump, the stir speed (S.S.) of aqueous solvent B is 200-300rpm/min.
10. the preparation method of long-acting type formaldehyde scavenger as claimed in claim 6, which is characterized in that in step 5, mixed
It closes in liquid D and also adds fungicide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810455445.7A CN108607194A (en) | 2018-05-14 | 2018-05-14 | Long-term effect formaldehyde eliminating agent and preparation method thereof |
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| CN201810455445.7A CN108607194A (en) | 2018-05-14 | 2018-05-14 | Long-term effect formaldehyde eliminating agent and preparation method thereof |
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ID=63663144
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289507A (en) * | 2018-10-23 | 2019-02-01 | 南京海洛阿姆生物科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN109603921A (en) * | 2019-01-11 | 2019-04-12 | 燕山大学 | A kind of nano photo-catalytic composite material and preparation method and application |
| CN110433448A (en) * | 2019-08-20 | 2019-11-12 | 舍用环境科技(宁波)有限公司 | A kind of strong penetration type formaldehyde scavenger and preparation method thereof |
| CN111195410A (en) * | 2018-11-16 | 2020-05-26 | 深圳市尤佳环境科技有限公司 | Formaldehyde scavenger and preparation process thereof |
| CN112090268A (en) * | 2019-06-18 | 2020-12-18 | 杭州米土新材料科技有限公司 | High-efficiency long-acting formaldehyde scavenger and preparation method thereof |
| CN112961607A (en) * | 2021-02-05 | 2021-06-15 | 尉世兴 | Ailian odor-removing formaldehyde-removing wrapping agent |
| CN114588767A (en) * | 2022-03-16 | 2022-06-07 | 北京森态环保科技有限公司 | Environment-friendly efficient formaldehyde removing agent and preparation method thereof |
| CN114768502A (en) * | 2022-03-18 | 2022-07-22 | 河北登尚科技有限公司 | Aldehyde removing agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112961607A (en) * | 2021-02-05 | 2021-06-15 | 尉世兴 | Ailian odor-removing formaldehyde-removing wrapping agent |
| CN114588767A (en) * | 2022-03-16 | 2022-06-07 | 北京森态环保科技有限公司 | Environment-friendly efficient formaldehyde removing agent and preparation method thereof |
| CN114768502A (en) * | 2022-03-18 | 2022-07-22 | 河北登尚科技有限公司 | Aldehyde removing agent |
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