CN109126449A - A kind of strong penetration type artificial board formaldehyde scavenger - Google Patents

A kind of strong penetration type artificial board formaldehyde scavenger Download PDF

Info

Publication number
CN109126449A
CN109126449A CN201811212854.0A CN201811212854A CN109126449A CN 109126449 A CN109126449 A CN 109126449A CN 201811212854 A CN201811212854 A CN 201811212854A CN 109126449 A CN109126449 A CN 109126449A
Authority
CN
China
Prior art keywords
ball type
type carrier
artificial board
formaldehyde
strong penetration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201811212854.0A
Other languages
Chinese (zh)
Inventor
姚贺飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiangyang Yunchuang Environmental Protection Co Ltd
Original Assignee
Xiangyang Yunchuang Environmental Protection Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiangyang Yunchuang Environmental Protection Co Ltd filed Critical Xiangyang Yunchuang Environmental Protection Co Ltd
Priority to CN201811212854.0A priority Critical patent/CN109126449A/en
Publication of CN109126449A publication Critical patent/CN109126449A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses a kind of strong penetration type artificial board formaldehyde scavengers, belong to indoor air purification agent technical field, the diethylenetriamine powdered reaction agent for specifically including ball type carrier and being adhered on ball type carrier, the ball type carrier are modified through cationic surfactant surface；The osmosis that the present invention passes through cationic surfactant, it strengthens and the combination of plate, enhance stability, secondly, cationic surfactant capture effect gathers the gaseous formaldehyde around plate around ball type carrier, thus with diethylenetriamine haptoreaction, after product hydrone is absorbed, amide compound is gradually deposited in ball type carrier surface, is adsorbed and removed via ball type carrier, three's collaboration, formaldehyde removal efficiency height, persistent.

Description

A kind of strong penetration type artificial board formaldehyde scavenger
Technical field
The present invention relates to indoor air purification agent technical field, in particular to a kind of strong penetration type artificial board formaldehyde is clear Except agent.
Background technique
Artificial board is exactly the leftover bits generated in process using timber, and addition chemical adhesive is fabricated to Plate.There are many artificial board type, and there are commonly the dresses such as particieboard, medium-density plate, core-board, glued board and fire-proof plate Decorations type artificial board.Because they have the characteristics that respectively it is different, be applied to different furniture manufacturing fields.Due to ureaformaldehyde tree Rouge, phenolic resin etc. have the characteristics that cheap, anti-corruption is durable, use Lauxite, phenolic resin as adhesive, production Artificial board is widely used in interior decoration building materials, still, is used containing Lauxite, phenolic resin as made from adhesive Artificial board, plate body always contain a certain number of free formaldehydes, these free formaldehydes can be by during people's fitting-up It is gradually released into room air, causes the pollution to indoor environment, formaldehyde is that modificator gene is prominent to the harm of human health Become, and damaging action is generated to DNA, makes immunologic dysfunction or decline, cause the generation of various diseases.It conceals in artificial board In the Form aldehyde release period be 7~8 years as long as, even up to 15 years, and the first three years be highest volatilize the phase, so remove formaldehyde be One process grown slowly.
Existing formaldehyde scavenger is generally sprayed on artificial board surface and forms film, passes through physical adsorption techniques, anion The purifying formaldehydes such as high pressure electrostatic precipitation technology or room-temperature catalytic oxidation method, physical adsorption techniques can only by nuisance adsorption storage, And it cannot finally eliminate, and situations such as there are adsorption saturation and desorptions, therefore often to replace adsorbent material；Anion high pressure Electrostatic technique is a kind of physical action process, can effectively remove the flue dust in air, but PARA FORMALDEHYDE PRILLS(91,95) removal effect is unobvious, secondly Cost is high, and when use needs electricity consumption, can generate noise, be unfavorable for largely popularizing；Room-temperature catalytic oxidation method removes formaldehyde efficiency Height, but can generate secondary pollution, such as methanol, formic acid, yuban other noxious materials, moieties can be also attached to On plate, the quality of plate is influenced, and usually reversible reaction, when concentration of formaldehyde is lower than a threshold value, purifying formaldehyde efficiency It is significantly affected；Secondly, the response area of film is limited, after film failure, the free formaldehyde in artificial board still can be a large amount of Coming out for release, causes the pollution of room air.Therefore, the formaldehyde pollution in room air how is effectively eliminated, it has also become room Interior environment security fields project urgently to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of strong penetration type artificial board formaldehyde scavengers, living by cationic surface Property agent capture effect the gaseous formaldehyde around plate is gathered around ball type carrier, to be contacted with diethylenetriamine instead It answers, after product hydrone is absorbed, amide compound is gradually deposited in ball type carrier surface, removes via ball type carrier absorption It goes, three's collaboration, formaldehyde removal efficiency height, persistent.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of strong penetration type artificial board formaldehyde scavenger, including ball type carrier and be adhered on ball type carrier two Ethylene triamine powdered reaction agent, the ball type carrier are modified through cationic surfactant surface.
Further, the cationic surfactant is quaternary ammonium salt cationic surfactant or amine salt type cation One of surfactant is a variety of.It is hydrophobicity knot by the modified ball type carrier surface formed of cationic surfactant Ball type carrier can be adhered to plate surface to artificial board internal penetration by structure；Secondly amino is contained in its hydrophobic end, can catch The formaldehyde carbonyl for catching electronegativity will be taken near matrix from the formaldehyde overflowed in plate, play the role of formaldehyde catching agent.
Further, the cationic surfactant is trimethyl cetyl ammonium bromide, trimethyl chlorine Change one in ammonium, tetradecyl trimethyl ammonium chloride, hexadecyltrimethylammonium chloride or octadecyltrimethylammonium chloride solution Kind is a variety of.
Further, the diethylenetriamine powdered reaction agent with a thickness of 100~300nm.
It further, further include catalyst, the catalyst is phenyl hydantoins-glutamic acid.Phenyl second Interior uride-glutamic acid is carried out by priming reaction molecule, catalysis rapid reaction；Phenyl hydantoins-glutamic acid amido Electronics pair can be provided, carbonyl can receive proton, and carboxyl can provide proton, therefore have both the multiplicity of B alkali and L acid, L alkali Matter activates substrate formaldehyde and nucleopilic reagent dicyandiamide simultaneously in the reaction, thus be catalyzed the addition reaction of aldehyde radical and amine quickly into Row improves reaction rate and formaldehyde removal rate.
Further, the spherical carrier particle size is 1.5~3 μm.
Further, the ball type carrier is mixed by ceramic, starching clay and vermiculite.
Further, the additive amount of the ceramic, starching clay and vermiculite by mass be respectively 20~80 parts, 10~ 20 parts, 10~20 parts.
It further, further include auxiliary reactant in the ball type carrier, the auxiliary reactant is calcium oxide, five oxidations two One of phosphorus, anhydrous sodium sulfate and DCC or a variety of.Calcium oxide, phosphorus pentoxide or anhydrous sodium sulfate are desiccant, DCC (two Carbodicyclo hexylimide) it is reaction dehydrating agent, the moisture generated in absorbable reaction process keeps reaction balance positive mobile, Reaction efficiency is improved, and forms solid product, secondly reduces and has even prevented the problem of urea-formaldehyde resin adhesive decomposes in case of wet.
Further, the additive amount of the auxiliary reactant is 20~30 parts by mass.
Ball type carrier of the invention is porous carrier material, and porous carrier material is except carrying powdered reaction agent, catalysis Outside agent and cationic surfactant, itself a large amount of hydroxyl and the capillary network being made of different pore size, PARA FORMALDEHYDE PRILLS(91,95) also have Certain suction-operated.Gaseous formaldehyde under the absorption of the electrostatic attraction and carrier of cationic surfactant, around plate It is adsorbed in ball type carrier, is contacted with diethylenetriamine and phenyl hydantoins-glutamic acid, it is raw by addition reaction At amide compound and water, after hydrone is absorbed by auxiliary reactant, amide compound is gradually deposited in carrier surface, via load Body is adsorbed and removed, and avoids the secondary pollution of product.
When in use, it is brushed in artificial board furniture after being mixed by this product direct spraying or with oil-soluble film forming matter On all positions brushed of wall (such as front and back sides of drawer inner cavity, wardrobe inner wall and backboard)；When furniture inner wall is exposed plate (do not paste decoration panel and layered board and do not brush paint etc.) when, this product usage amount should be 40g/m2Left and right, when furniture inner wall When facing processing, this product usage amount is just 20g/m2Left and right.
The beneficial effects of the present invention are:
1. gaseous state of the present invention under the suction-operated of the electrostatic attraction and carrier of cationic surfactant, around plate Formaldehyde is adsorbed to ball type carrier or gathers ball type carrier surface, thus with powdered reaction agent diethylenetriamine and catalyst benzene Base thio-hydantoin-glutamic acid contact generates amide compound and water, in hydrone by auxiliary reactant by addition reaction After absorption, amide compound is gradually deposited in carrier surface, removes via carrier adsorption, avoids the secondary pollution of product, And under the synergistic effect of porosity ball type carrier and catalyst, powdered reaction agent and cationic surfactant, formaldehyde removing Rate 5d can reach 98.5~99.7%, and action time is up to 120 days, strong penetration type artificial board formaldehyde removing of the present invention Agent can persistently, effectively remove the formaldehyde released in artificial board.
2. phenyl hydantoins-glutamic acid is carried out by priming reaction molecule, catalysis rapid reaction；Phenyl second The amido of interior uride-glutamic acid can provide electronics pair, and carbonyl can receive proton, and carboxyl can provide proton, therefore have both B Alkali and L acid, L alkali multiple property, in the reaction simultaneously activate substrate formaldehyde and nucleopilic reagent dicyandiamide, thus be catalyzed aldehyde radical with The addition reaction of amine quickly carries out, and improves reaction rate and formaldehyde removal rate.
3. being stained with the ball type carrier of powdered reaction agent, there are enough porositys, formaldehyde can be allowed to enter easily, and reactant Phenyl hydantoins-glutamic acid is evenly distributed in gap, has reached the reasonable utilization in space, compared to simple coating Membrane structure, substantially increases response area, and reaction efficiency greatly improves.
4. auxiliary reactant of the invention can absorb the moisture generated in reaction process, keeps reaction balance positive mobile, improve Reaction efficiency, and reaction product amide compound is promoted to form solid product, it is deposited in carrier surface, is inhaled convenient for ball type carrier Attached removing；Next maintains the drying of plate, reduces and has even prevented the problem of urea-formaldehyde resin adhesive decomposes in case of wet.
5. the present invention uses cationic surfactant, nontoxic containing a large amount of amino, collect formaldehyde catching and infiltration Two kinds of functions of saturating agent, have good capture formaldehyde performance and permeance property.
6. formaldehyde scavenger of the invention is sprayed on plate surface, by the hydrophobic effect of cationic surfactant, It strengthens and the combination of plate, enhancing stability reduces the loss of formaldehyde scavenger, secondly, ball type carrier is layered on plate table Face forms a protective layer, and under the effect of the electrostatic attraction of cationic surfactant, formaldehyde is fixed on plate and spherical shape In space between carrier, interior is diffused to from formaldehyde.
7. formaldehyde scavenger of the invention is in close contact by the hydrophobic effect and plate of cationic surfactant, when need When replacing, it is only necessary to be wiped by the rag containing organic solvent, replacement is convenient.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiment.Obviously, described Embodiment be only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ability Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to guarantor of the present invention The range of shield.
One, embodiment
Embodiment 1
A kind of strong penetration type artificial board formaldehyde scavenger, including through trimethyl cetyl ammonium bromide surfactant Diethylenetriamine powdered reaction agent surface modified ball type carrier and be adhered on ball type carrier；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite, and particle size is 2.5 μm；The ceramics are micro- Powder, starching clay, vermiculite are respectively 50 parts, 14 parts, 14 parts by mass；
The diethylenetriamine powdered reaction agent with a thickness of 200nm.
Embodiment 2
A kind of strong penetration type artificial board formaldehyde scavenger, including through trimethyl cetyl ammonium bromide surfactant The modified ball type carrier in surface and the diethylenetriamine powdered reaction agent being adhered on ball type carrier and catalyst phenyl Hydantoins-glutamic acid；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite, and particle size is 2.5 μm；The ceramics are micro- Powder, starching clay, vermiculite are respectively 50 parts, 14 parts, 14 parts by mass；
The diethylenetriamine powdered reaction agent with a thickness of 200nm.
Embodiment 3
A kind of strong penetration type artificial board formaldehyde scavenger, including through dodecyl trimethyl ammonium chloride surfactant Diethylenetriamine powdered reaction agent surface modified ball type carrier and be adhered on ball type carrier；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite and dicyclohexylcarbodiimide, particle size It is 2.5 μm；The ceramic, starching clay, vermiculite and dicyclohexylcarbodiimide additive amount be by mass respectively 50 parts, 14 parts, 14 parts and 25 parts；
The diethylenetriamine powdered reaction agent with a thickness of 200nm.
Embodiment 4
A kind of strong penetration type artificial board formaldehyde scavenger, including through trimethyl cetyl ammonium bromide surfactant The modified ball type carrier in surface and the diethylenetriamine powdered reaction agent being adhered on ball type carrier and catalyst phenyl Hydantoins-glutamic acid；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite and anhydrous sodium sulfate, and particle size is 1.5 μ m；The ceramic, starching clay, vermiculite and anhydrous sodium sulfate additive amount be respectively by mass 20 parts, 10 parts, 10 parts and 20 parts；
The diethylenetriamine powdered reaction agent with a thickness of 100nm.
Embodiment 5
A kind of strong penetration type artificial board formaldehyde scavenger, including through dodecyl trimethyl ammonium chloride surfactant The modified ball type carrier in surface and the diethylenetriamine powdered reaction agent being adhered on ball type carrier and catalyst phenyl Hydantoins-glutamic acid；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite and anhydrous sodium sulfate, and particle size is 2 μm； The ceramic, starching clay, vermiculite and anhydrous sodium sulfate additive amount be by mass respectively 40 parts, 12 parts, 12 parts and 23 Part；
The diethylenetriamine powdered reaction agent with a thickness of 150nm.
Embodiment 6
A kind of strong penetration type artificial board formaldehyde scavenger, including through tetradecyl trimethyl ammonium chloride surfactant The modified ball type carrier in surface and the diethylenetriamine powdered reaction agent being adhered on ball type carrier and catalyst phenyl Hydantoins-glutamic acid；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite and dicyclohexylcarbodiimide, particle size It is 2.5 μm；The ceramic, starching clay, vermiculite and dicyclohexylcarbodiimide additive amount be by mass respectively 50 parts, 14 parts, 14 parts and 25 parts；
The diethylenetriamine powdered reaction agent with a thickness of 200nm.
Embodiment 7
A kind of strong penetration type artificial board formaldehyde scavenger, including through hexadecyltrimethylammonium chloride surfactant The modified ball type carrier in surface and the diethylenetriamine powdered reaction agent being adhered on ball type carrier and catalyst phenyl Hydantoins-glutamic acid；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite and phosphorus pentoxide, and particle size is 2 μm； The ceramic, starching clay, vermiculite and phosphorus pentoxide additive amount be by mass respectively 65 parts, 17 parts, 17 parts and 27 Part；
The diethylenetriamine powdered reaction agent with a thickness of 250nm.
Embodiment 8
A kind of strong penetration type artificial board formaldehyde scavenger, including through octadecyltrimethylammonium chloride surfactant The modified ball type carrier in surface and the diethylenetriamine powdered reaction agent being adhered on ball type carrier and catalyst phenyl Hydantoins-glutamic acid；
Wherein ball type carrier is mixed by ceramic, starching clay, vermiculite and calcium oxide, and particle size is 3 μm；It is described Ceramic, starching clay, vermiculite and calcium oxide additive amount be by mass respectively 80 parts, 20 parts, 207 parts and 30 parts；
The diethylenetriamine powdered reaction agent with a thickness of 300nm.
In any of the above-described embodiment strong penetration type artificial board formaldehyde scavenger the preparation method comprises the following steps:
Step 1 prepares ball type carrier
Ceramic is mixed in proportion with starching clay and vermiculite, adds water to be granulated, obtains ball type carrier；Ball type carrier is dried in the air Dry, 700-800 DEG C of 2~4h of calcining, cooling is dried, and is pulverized, and 5000~8000 mesh sieve are crossed, and collecting screenings is spherical shape Carrier；Wherein, aforesaid operations are carried out after having the embodiment of auxiliary reactant, auxiliary reactant and raw material to be mixed together.
Step 2 prepares the ball type carrier of adhering powder reactant
S1, ball type carrier hydrofluoric acid solution is impregnated into 1~2h, then washes with water and dries；
S2, powdered reaction agent will be entered in conical flask, and the PTFE emulsion that mass concentration is 30~40% is added, stirring is equal Obtained reactant slurries after even；
S3, ball type carrier is impregnated with step S2 reactant slurries, ultrasound 30min, fills under the ultrasonic power of 300w Divide dispersing ball carrier；
The suspension of S4, filtration step S2, precipitating are dried under field conditions (factors)；
S5, after adhering to for the first time ball type carrier surface spray PTFE emulsion, this time PTFE emulsion concentration be 20~ 30%, it is less than and adheres to PTFE emulsion concentration used for the first time, then room temperature dusty spray reactant；Ball after adhering to for the first time The powdered reaction oxidant layer adhered on shape carrier surface is relatively thin, need to carry out second of adherency.Second of gluing is not directly by carrier It is immersed in PTFE emulsion, the reactant adhered to for the first time can otherwise be lost, thus use spray pattern.Second of adherency Afterwards, 99% area is all stained with powdered reaction agent on ball type carrier surface, and powdered reaction agent thickness is up to 100~30000nm, Why second of adherency is carried out, is to have one layer of netted outer protection for the powdered reaction agent for guaranteeing adherency up, so Afterwards, when being attached the ball type carrier of powdered reaction agent after drying, it is whole and again non-that external, internal PTFE will form one Closing, can still retain the porous structure of ball type carrier.
S6, it will dry, retain stand-by under the ball type carrier natural conditions through adhering to for the second time.
Wherein, aforesaid operations are carried out after having the embodiment of catalyst, catalyst to mix with powdered reaction agent.
Step 3 cationic surfactant modified spherical carrier
Cationic surfactant is added in the toluene of 300mL, then by the ball type carrier of 50g step 2 be added sun from In the toluene solution of sub- surfactant, 90 DEG C of constant temperature stir 4h, filter after reaction, and obtained solid matter vacuum is taken out It dries after filter to constant weight.
Two, experimental example
This experimental group is as follows:
Comparative example 1: it is without any processing, as blank control.
Comparative example 2: by 200g ball type carrier xylene soluble, then being equipped with Desmodur L75 curing agent, and stirring is pressed 40g/m2Amount film, spontaneously dry 7d after tested；Wherein ball type carrier is mixed by ceramic, starching clay and vermiculite and is made At particle size is 2.5 μm；The additive amount of the ceramic, starching clay and vermiculite by mass be respectively 50 parts, 14 parts and 14 parts.
Comparative example 3: by the modified ball type carrier xylene soluble in surfactant surface, then it is equipped with Desmodur L75 Curing agent, stirring, by 40g/m2Amount film, spontaneously dry 7d after tested；Wherein ball type carrier is by ceramic, white glutinous Soil and vermiculite are mixed, and particle size is 2.5 μm；The additive amount of the ceramic, starching clay and vermiculite divides by mass It Wei not be 50 parts, 14 parts and 14 parts.
Comparative example 4: it will be stained with the ball type carrier xylene soluble of diethylenetriamine powdered reaction agent, then be equipped with Desmodur L75 curing agent, stirring, by 40g/m2Amount film, spontaneously dry 7d after tested；Wherein, diethylenetriamine Powdered reaction agent with a thickness of 200nm, ball type carrier is mixed by ceramic, starching clay and vermiculite, particle size 2.5 μm；The additive amount of the ceramic, starching clay and vermiculite is respectively 50 parts, 14 parts and 14 parts by mass.
Comparative example 5: it will be stained with the ball type carrier xylene soluble of diethylenetriamine powdered reaction agent, then be equipped with Desmodur L75 curing agent, stirring, by 40g/m2Amount film, spontaneously dry 7d after tested；Wherein, diethylenetriamine Powdered reaction agent with a thickness of 200nm, ball type carrier is mixed by ceramic, starching clay, vermiculite and dicyclohexylcarbodiimide It is made, particle size is 2.5 μm；The ceramic, starching clay, vermiculite and dicyclohexylcarbodiimide additive amount press quality Meter is respectively 50 parts, 14 parts, 14 parts and 25 parts.
Comparative example 6: diethylenetriamine powdered reaction agent and catalyst phenyl hydantoins-glutamic acid will be stained with Ball type carrier xylene soluble, then it is equipped with Desmodur L75 curing agent, it stirs, by 40g/m2Amount film, spontaneously dry It is tested after 7d；Wherein, diethylenetriamine powdered reaction agent with a thickness of 200nm, ball type carrier is by ceramic, starching clay It is mixed with vermiculite, particle size is 2.5 μm；The additive amount of the ceramic, starching clay and vermiculite is distinguished by mass It is 50 parts, 14 parts and 14 parts.
Test example: by the strong penetration type artificial board formaldehyde scavenger xylene soluble of the present embodiment 1~5, then match With Desmodur L75 curing agent, stirring, by 40g/m2Amount film, spontaneously dry 7d after tested.
The purification efficiency and purification efficiency persistence measuring method of formaldehyde are referring to " function of purifying indoor air coating material is net Change performance " JC/T1074-2008, entire experimental enviroment are as follows: temperature (25 ± 2) DEG C, relative humidity (40 ± 10) %, experimental result It is shown in Table 1.
Using layered board (being purchased from the prosperous sharp wood industry of Shandong Linyi City, thickness 2.7mm, size 150mm × 167mm) as experiment Strong penetration type artificial board formaldehyde scavenger of the invention is pressed 20g/m by material2Usage amount be painted on layered board table Face, using seasoning, with " residential area Formaldehyde in Atmosphere health test method spectrophotometry " GB/T 16129-1995 method Measurement measurement content of formaldehyde, investigates its duration for removing free formaldehyde, and experimental result is shown in Table 2.
The purification efficiency and purification efficiency durability experiment of 1 formaldehyde of table
As shown in Table 1, during the test, the natural decay rate of formaldehyde is 12.91%, and experiment is set up, embodiment 4~8 Strong penetration type artificial board formaldehyde scavenger, including the modified ball type carrier in cationic surfactant surface and adherency Diethylenetriamine powdered reaction agent and catalyst phenyl hydantoins-glutamic acid on ball type carrier, the spherical load Body also contains auxiliary reactant, provides good reaction environment for formaldehyde and diethylenetriamine powdered reaction agent, and reaction compartment is big, Reactant concentration high (capture of cationic surfactant acts on) and reactivity height (activation of catalyst), it is secondly anti- The hydrone that should be generated is absorbed by auxiliary reactant, promotes reaction to carry out to the direction for generating amide compound, reaction efficiency is high, most Whole amide compound is gradually deposited in carrier surface, removes via carrier adsorption, avoids the secondary pollution of product, therefore first Aldehyde removal efficiency is high, and persistence is good.Embodiment 1 is not added with auxiliary reactant and catalyst, formaldehyde activity compared to embodiment 4~8 Lower, the moisture that secondary response generates cannot remove in time, and the formation speed of amide compound is caused to slow down, and formaldehyde eliminates efficiency It reduces；Embodiment 2 is not added with auxiliary reactant compared to embodiment 4~8, and the moisture for reacting generation cannot remove in time, causes first Aldehyde is eliminated efficiency and is reduced, and persistence is slightly worse；Embodiment 3 is not added with catalyst compared to embodiment 4~8, formaldehyde reactivity compared with It is low, cause reaction rate to reduce；Comparative example 2 and comparative example 3, although ball type carrier provides enough adsorption spaces, absorption Measure it is limited, persistence test in, easily reach adsorption saturation state, therefore purifying formaldehyde efficiency persistence is poor, this is also Existing formaldehyde adsorbent there are the problem of；Comparative example 3, can be with by cationic surfactant surface compared with comparative example 2 Accelerate adsorption efficiency, but the final adsorbance of formaldehyde does not increase, is carried instead since cationic surfactant is occupied in spherical shape The surface of body, affects adsorption capacity；Ball type carrier of the comparative example 4 using diethylenetriamine powdered reaction agent, gaseous formaldehyde quilt It is adsorbed onto ball type carrier, to be contacted with powdered reaction agent diethylenetriamine, but cationic surfactant is not used and is modified, Also it is not added with auxiliary reactant and catalyst, formaldehyde is essentially by ball type carrier is diffused into, and adsorption efficiency is slow, reactant concentration Low, reactant activity is also low, and as the increase of product, back reaction rate are consequently increased, causes reaction efficiency low, thus Influence the purification efficiency of formaldehyde；Comparative example 5 and comparative example 6 have increased separately auxiliary reactant and catalysis on the basis of comparative example 4 Agent can promote the progress of formaldehyde removal reaction to a certain extent, but comparative example 5 causes anti-since formaldehyde absorbing efficiency is slow Answer object concentration low, for comparative example 6 since formaldehyde reactivity is low, the two all synergy is unobvious.
The effect of 2 formaldehyde removing membrane removal free formaldehyde of table changes with time
As can be seen from Table 2, during lasting test, the content of the formaldehyde of comparative example 1 is fallen after rising, this is because For removing residue formaldehyde in plate in sustained release, the amount of formaldehyde Natural Attenuation is lower than the amount of Form aldehyde release, therefore content of formaldehyde early period It increases always, later period Form aldehyde release is more complete, part formaldehyde Natural Attenuation, therefore content of formaldehyde starts to reduce, and can also see Formaldehyde has a longer deenergized period out, sprays the experimental group of strong penetration type artificial board formaldehyde scavenger of the present invention, first Aldehyde persistently drops, and the 5th day, formaldehyde removing rate can reach 98.5~99.9%, and hereafter, as time went on, formaldehyde contains Amount do not increase substantially, it can be seen that, strong penetration type artificial board formaldehyde scavenger of the present invention can persistently, effectively remove people Make the formaldehyde released in plate.

Claims (10)

1. a kind of strong penetration type artificial board formaldehyde scavenger, which is characterized in that including ball type carrier and be adhered to spherical shape Diethylenetriamine powdered reaction agent on carrier, the ball type carrier are modified through cationic surfactant surface.
2. strong penetration type artificial board formaldehyde scavenger as described in claim 1, which is characterized in that the cationic surface Activating agent is one of quaternary ammonium salt cationic surfactant or amine salt cationic surfactant or a variety of.
3. strong penetration type artificial board formaldehyde scavenger as claimed in claim 2, which is characterized in that the cationic surface Activating agent is trimethyl cetyl ammonium bromide, dodecyl trimethyl ammonium chloride, tetradecyl trimethyl ammonium chloride, hexadecane It is one or more in base trimethyl ammonium chloride or octadecyltrimethylammonium chloride solution.
4. strong penetration type artificial board formaldehyde scavenger as described in claim 1, which is characterized in that the diethylenetriamine Powdered reaction agent with a thickness of 100~300nm.
5. strong penetration type artificial board formaldehyde scavenger as described in claim 1, which is characterized in that it further include catalyst, The catalyst is phenyl hydantoins-glutamic acid.
6. strong penetration type artificial board formaldehyde scavenger as described in claim 1, which is characterized in that the ball type carrier Grain size is 1.5~3 μm.
7. strong penetration type artificial board formaldehyde scavenger as described in claim 1, which is characterized in that the ball type carrier by Ceramic, starching clay and vermiculite are mixed.
8. strong penetration type artificial board formaldehyde scavenger as claimed in claim 7, which is characterized in that the ceramic, The additive amount of starching clay and vermiculite is respectively 20~80 parts, 10~20 parts, 10~20 parts by mass.
9. strong penetration type artificial board formaldehyde scavenger as claimed in claim 7, which is characterized in that in the ball type carrier It further include auxiliary reactant, the auxiliary reactant is one of calcium oxide, phosphorus pentoxide, anhydrous sodium sulfate and DCC or a variety of.
10. strong penetration type artificial board formaldehyde scavenger as claimed in claim 9, which is characterized in that the auxiliary reactant Additive amount be by mass 20~30 parts.
CN201811212854.0A 2018-10-18 2018-10-18 A kind of strong penetration type artificial board formaldehyde scavenger Withdrawn CN109126449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811212854.0A CN109126449A (en) 2018-10-18 2018-10-18 A kind of strong penetration type artificial board formaldehyde scavenger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811212854.0A CN109126449A (en) 2018-10-18 2018-10-18 A kind of strong penetration type artificial board formaldehyde scavenger

Publications (1)

Publication Number Publication Date
CN109126449A true CN109126449A (en) 2019-01-04

Family

ID=64808629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811212854.0A Withdrawn CN109126449A (en) 2018-10-18 2018-10-18 A kind of strong penetration type artificial board formaldehyde scavenger

Country Status (1)

Country Link
CN (1) CN109126449A (en)

Similar Documents

Publication Publication Date Title
JP4256467B2 (en) Formaldehyde scavenger and method for producing the same
CN102777004B (en) Compound-function wallpaper and preparation method thereof
CN102872715B (en) Filter for removing methanal and manufacturing method thereof
CN104741130A (en) Normal temperature formaldehyde removal catalysis material
CN102658087A (en) Method for preparing formaldehyde scavenging agent
CN102167936B (en) Marine organism shell powder paint
CN103132332A (en) Fibrous material with formaldehyde removal function
CN109304081A (en) A kind of environment friendly artificial board material formaldehyde eliminating agent
JP5072171B2 (en) Interior paint composition
CN110339810A (en) A kind of formaldehyde absorbing active carbon and preparation method thereof
CN107983320A (en) Preparation method of difunctional film removed for formaldehyde and products thereof and application
CN109499360A (en) A kind of deodorizing module and preparation method thereof containing composite coating
CN107903666A (en) A kind of filter material is with removing aldehyde mildew resistant paint and preparation method
CN109092024A (en) A kind of oil-soluble formaldehyde scavenger
CN104492379A (en) Adsorption-reaction type solid formaldehyde elimination agent
CN109126449A (en) A kind of strong penetration type artificial board formaldehyde scavenger
CN109224840A (en) A kind of artificial board formaldehyde eliminating agent
CN111040477B (en) Dry powder coating with lasting antibacterial and mildew-proof effects and preparation method thereof
CN103894046A (en) Spray composition containing formaldehyde catching agent, filter net and cloth liner
NL8303668A (en) CLEANER FOR TEXTILE SURFACES.
JP5136872B2 (en) Interior finish with humidity control and paintability, as well as formaldehyde reduction
CN109517460A (en) The diatom coating of plate
CN109705713A (en) It is a kind of to be sprayed at the anion generation liquid to form a film on hard material
JP2012020229A (en) Method for manufacturing activated carbon particle
CN107262062A (en) A kind of house air purifying preparation and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190104