CN105561518B

CN105561518B - A kind of chelating type formaldehyde scavenger and preparation method thereof

Info

Publication number: CN105561518B
Application number: CN201410635391.4A
Authority: CN
Inventors: 张志红; 樊石军
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-09
Filing date: 2014-11-09
Publication date: 2018-10-09
Anticipated expiration: 2034-11-09
Also published as: CN105561518A

Abstract

The present invention provides a kind of completely new chelating type formaldehyde scavenger, it is characterised in that the raw material that product is matched by following mass concentration forms：Citrus plant extract（Containing citric acid）With apple extract（Containing malic acid）Mixture：0.1%~15% (w/w), sodium citrate：0.3%~12% (w/w), cellulase（It is preferred that zytase）：0.001%~0.1% (w/w), ethylene urea：0.1%~12% (w/w), sodium chloride：0.001%~0.1% (w/w), dodecyl sodium sulfate：0.001%~0.01% (w/w), sodium bicarbonate, sodium carbonate（Single or mixing）：0.01%~2% (w/w), surplus are pure water.Completely new chelating type formaldehyde scavenger simple production process provided by the invention.It is characterized in that 1. completely new chelating type formaldehyde scavenger dosing apparatus can be common nontoxic plastics reaction vessel（Such as PV）Or stainless steel metal container；2. it is room temperature, normal pressure that a completely new chelating type formaldehyde scavenger, which prepares temperature and pressure,.The clearance rate of completely new chelating type formaldehyde scavenger PARA FORMALDEHYDE PRILLS(91,95) of the present invention is high, and effect is lasting, does not rebound.

Description

A kind of chelating type formaldehyde scavenger and preparation method thereof

Technical field

The present invention relates to a kind of aqueous solution preparations and preparation method thereof for removing harmful organic substance, and in particular to a kind of chelating Type formaldehyde removing agent prescription and preparation method.

Background technology

Formaldehyde is a kind of colourless, irritating gas, it is in the daily lifes such as house ornamentation, automobile, luggage and articles for daily use Be widely present, since its molecular polarity and activity are high, be easily adsorbed in a variety of materials surface and formed discharge again it is secondary Pollution sources produce extreme influence to health, therefore develop a kind of potent, lasting, harmless, non-secondary pollution Potent formaldehyde scavenger has great significance to people’s lives enhancement of environment.

It is raw material that current existing formaldehyde scavenger, which has used hydrazine hydrate, hydrazides, urea class, as CN101992012 B, CN 101890212 B、CN 101954167 B；Imines, amine are used, such as 101530624 B, CN 102500090 of CN B、CN 103418105 A、CN 102134301 A；Amino acid, tea polyphenols, such as 101549198 B of CN；Bamboo charcoal nano, light Catalyst, such as 101,898,076 102989106 A of B, CN of CN, some manufactured formaldehyde scavenger elimination effects are fine, but use Raw material has certain toxicity, as 101530624 B of CN have used melamine, or use raw material to have strong corrosive, such as hydrazine hydrate There is particular/special requirement to production equipment, though some have used natural extract（As raspberry ketone and the natural goods containing amido are molten Liquid）Such as 101549248 B of CN, but the pH values of the formaldehyde scavenger due to being prepared into are in 3.0~5.0 ranges, are in weak acid Property, on using surface to have certain influence.

Invention content

The present invention provides a kind of chelating type formaldehyde scavengers, and the scavenger is with tangerine, mandarin orange, shaddock, orange, citron fruit extract Mixture and apple extract mixture, cellulase（Zytase containing high activity）, sodium citrate, ethylene urea, sodium chloride For main material, proportion optimizing, being re-dubbed PARA FORMALDEHYDE PRILLS(91,95) has the chelating type formaldehyde scavenger of potent absorption, polymerization, PARA FORMALDEHYDE PRILLS(91,95) strong It imitates, without rebound, non-secondary pollution, to remove the formaldehyde pollution in the surfaces such as indoor furniture, wall and air.

It is raw material, the chelating type formaldehyde scavenger developed, to first that the purpose of the present invention 1, which is using nontoxic substance, The aldehyde scavenging effect time is long, elimination effect is good, mild without rebound, non-secondary pollution, property（PH values are 6.5~7.5）.

The purpose of the present invention 2 considers environmental protection, energy-efficient requirement on the basis of realizing removing formaldehyde, invents A kind of easy-to-use production technology.Simple production process of the present invention, chelating type formaldehyde scavenger prepare production reaction temperature and are (15 ~ 35 DEG C of normal pressure, room temperature）, production containers can be rustless steel container, or common plastic containers（Such as PV）, no spy It is different to require.

The purpose of the present invention 3 is to consider potent, long-acting, synergistic synergistic effect, the chelating type formaldehyde being prepared into Scavenger main body PARA FORMALDEHYDE PRILLS(91,95) reagentia is strong, action time is lasting, in experiment is tracked with glass environmental chamber, 1 on month, It even if continuing to supplement appropriate formaldehyde, can also continue to remove, and space concentration of formaldehyde is made to maintain national standard（GB/T 18883- 2002）Limit value（1 small hourly value 0.1mg/m³）Under.

To achieve the above object, the present invention is formed as follows using following raw material：

The raw material that the chelating type formaldehyde scavenger is matched by following mass concentration（Enzyme containing enzymolysis）Composition：

Tangerine, mandarin orange, shaddock, orange, citron fruit extract mixtures and apple extract mixture：0.1%~15% (w/w) , sodium citrate：0.3%~12% (w/w), cellulase（Zytase containing high activity）：0.001%~0.1% (w/ W), ethylene urea：0.1%~18% (w/w), sodium chloride：0.001%~0.1% (w/w), dodecyl sodium sulfate： 0.001%~0.01% (w/w), pH adjusting agent（Single or mixed sodium hydroxide, sodium bicarbonate, sodium carbonate）：0.01% ~2% (w/w), surplus are distilled water.

The plant extracts that the chelating type formaldehyde scavenger requires is tangerine, mandarin orange, shaddock, orange, the mixing of citron fruit extract Object and apple extract are single or mix.

Tangerine, mandarin orange, shaddock, orange, the citron fruit extract mixtures of the chelating type formaldehyde scavenger requirement, mass concentration For 0.1%~15% (w/w).

The apple extract that the chelating type formaldehyde scavenger requires, mass concentration are 0.3%~15% (w/w).

The plant extracts that the chelating type formaldehyde scavenger requires is tangerine, mandarin orange, shaddock, orange, the mixing of citron fruit extract When object is with apple extract mixture, mass concentration is 0.5%~15% (w/w).

The chelating type formaldehyde scavenger cellulase（Zytase containing high activity）, mass concentration is 0.001%~0.1% (w/w).

Sodium citrate used in the chelating type formaldehyde scavenger, mass concentration are 0.3%~12% (w/w).

Ethylene urea used in the chelating type formaldehyde scavenger, mass concentration are 0.1%~18% (w/w).

Sodium chloride used in the chelating type formaldehyde scavenger, mass concentration are 0.001%~0.1% (w/w).

Dodecyl sodium sulfate used in the chelating type formaldehyde scavenger, mass concentration are 0.001%~0.01% (w/w)。

PH adjusting agent used in the chelating type formaldehyde scavenger（Single or mixed sodium hydroxide, sodium bicarbonate, carbonic acid Sodium）：0.01%~2% (w/w).

The chelating type formaldehyde scavenger preparation process, its step are as follows:Room temperature or（15~35）DEG C, by formula weigh tangerine, Mandarin orange, shaddock, orange, citron fruit extract mixtures and apple extract mixture, sodium citrate and cellulase（Containing high activity Zytase）, distilled water be dissolved as No.1 solution；Ethylene urea, sodium chloride, dodecyl sodium sulfate, pH are weighed by formula to adjust Agent（Single or mixed sodium hydroxide, sodium bicarbonate, sodium carbonate）, distilled water be dissolved as No. two solution；No.1 solution and No. two Two kinds of solution of solution press 1:Chelating type formaldehyde scavenger made of 1 mixing compounding.Preparation process detailed in Example 1 and embodiment 2.

Beneficial effects of the present invention：

Develop a kind of strong permeability, efficiently, persistently, the chelating type formaldehyde scavenger of non-secondary pollution.

The chelating type formaldehyde scavenger effect that the present invention develops is lasting, according to QB/T 2761-2006 to above-mentioned chelating type first Aldehyde scavenger compares tracking and testing 1 year, and the formaldehyde removing rate in air is more than 540ug/mL.

Production equipment of the present invention is simple, and working condition is room temperature, normal pressure, without heating, pressurization.

The present invention is under the optimum proportioning of various components, to avoid wasting, using reasonable spraying dosage, reaches room air The national standard of quality formaldehyde.

Case is embodied.

Embodiment 1.

Room temperature（15~35）DEG C, 10L rigid plastics reactors are with cover（It is PV materials）2；

It is matched by following mass concentration：Tangerine, mandarin orange, shaddock, orange, citron fruit extract mixtures and apple extract mixture 5% (w/w), sodium citrate 3% (w/w), cellulase（Zytase containing high activity）0.005% (w/w) is in distillation It is No.1 solution after fully being dissolved in water.

It is matched by following mass concentration：Ethylene urea 4% (w/w), sodium chloride 0.004% (w/w), dodecyl sodium sulfate 0.003% (w/w), sodium bicarbonate 0.05% (w/w), sodium carbonate 0.05% (w/w), distilled water are dissolved as No. two solution.

Above-mentioned No.1 solution mixes compounding with No. two solution, discharging.

Embodiment 2.

Room temperature（15~35）At DEG C, 10L stainless steels covered barrel 2.

It is matched by following mass concentration：Tangerine, mandarin orange, shaddock, orange, citron fruit extract mixtures and apple extract mixture 3% (w/w), sodium citrate 4% (w/w), cellulase（Zytase containing high activity）0.005% (w/w) is in distillation It is No.1 solution after fully being dissolved in water.

It is matched by following mass concentration：Ethylene urea 3% (w/w), sodium chloride 0.005% (w/w), dodecyl sodium sulfate 0.004% (w/w), sodium bicarbonate 0.08% (w/w), sodium carbonate 0.08% (w/w), distilled water are dissolved as No. two solution.

Claims

1. a kind of chelating type formaldehyde scavenger, it is characterised in that：The raw material matched by following mass concentration forms：

Required enzymolysis of plants extract and dosage:Tangerine, mandarin orange, shaddock, orange, citron fruit extract mixtures are mixed with apple extract Object：0.1%~15% (w/w)

Sodium citrate：0.3%~12% (w/w)

Enzymolysis enzyme used:The cellulase of the zytase containing high activity：0.001%~0.1% (w/w)

Ethylene urea：0.1%~18% (w/w)

Sodium chloride：0.001%~0.1% (w/w)

Dodecyl sodium sulfate：0.001%~0.01% (w/w)

PH adjusting agent:Single or mixed sodium hydroxide, sodium bicarbonate, sodium carbonate：0.01%~0.2% (w/w)

Surplus is distilled water.

2. a kind of preparation process of chelating type formaldehyde scavenger as described in claim 1, its step are as follows：It is weighed by formula Tangerine, mandarin orange, shaddock, orange, citron fruit extract mixtures and apple extract mixture, the cellulose of the zytase containing high activity Enzyme, sodium citrate and distilled water are dissolved as No.1 solution；Ethylene urea, sodium chloride, dodecyl sodium sulfate, pH tune are weighed by formula Section agent, distilled water are dissolved as No. two solution；Two kinds of solution of No.1 solution and No. two solution press 1:1 mixing compounding forms claim Chelating type formaldehyde scavenger described in 1.