CN1427045A - Product used for eliminating aldehyde like harmful substance - Google Patents
Product used for eliminating aldehyde like harmful substance Download PDFInfo
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- CN1427045A CN1427045A CN 01144565 CN01144565A CN1427045A CN 1427045 A CN1427045 A CN 1427045A CN 01144565 CN01144565 CN 01144565 CN 01144565 A CN01144565 A CN 01144565A CN 1427045 A CN1427045 A CN 1427045A
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Abstract
A composition for eliminating harmful aldehyde substances is composed of a component A chosen at least one from amides, hydrazides or ureas, and a component B chosen at least one from hydrochloric acid, sulfuric acid, oxalic acid, ascorbic acid, citric acid, malic acid or gluconic acid. The added quantity of the component B is less than 40% of the wt. of the componnet A and the pH value of the product is controlled at 1-8. Its advantages are are high effect and low cost.
Description
Technical field
The present invention relates to a kind of composition of eliminating aldehyde like harmful substance.
Background technology
The present finishing material that uses in the buildings finishing contains particularly formaldehyde material of residual aldehydes as body of wall lacquer, coating and the Furniture panel of a large amount of uses, glue, sanitas etc., contaminate environment even cause human body to poison.Usually some months can not be moved in after the house decoration, and influence is used, and causes the wasting of resources.For head it off, except that corresponding laws and regulations of promulgation and formulation product standard, still needing relies on technical scheme to eradicate.Do not have as yet at home at present at eliminating buildings and fit up the related products of the aldehyde like harmful substance that produces.
Summary of the invention
The object of the present invention is to provide a kind of raw material sources extensively, prescription is simple, cost is low and can suppress effectively or eliminate buildings fit up in the goods of aldehyde like harmful substance.
The object of the present invention is achieved like this: it comprises component I and component II, component I comprises the wherein a kind of component in the class of acyl Ammonia, hydrazides class or ureas at least, component II comprises wherein a kind of of hydrochloric acid, sulfuric acid, oxalic acid, xitix, citric acid, oxysuccinic acid or gluconic acid at least, the add-on of component II is less than 40% of component I weight, and the pH value of control goods is 1-8.
Also comprise component III, component III comprises wherein a kind of of titanium dioxide, zinc oxide, photocatalysis powder or Si oxide at least, and the add-on of component III is less than 5 times of component I weight.
Wherein said acyl Ammonia can be selected polyacrylamide, formyl ammonia, phosphinylidyne diamino, nicotinoyl ammonia for use.Described hydrazides class can be adipic dihydrazide, salicylic acid hydrazides, hydrazonium sulfate, nicotinic acid hydrazide or sebacic dihydrazide.Described ureas can be selected thiosemicarbazide, Dimethylurea or thiocarbamide for use.
Further, in component I and component II, be added with can with building materials matrix adherent binder component IV, as urea aldehyde, phenolic aldehyde, unsaturated polyester, Resins, epoxy or Vinyl Acetate Copolymer tackiness agent, the add-on of component IV is less than 10% of component I weight.
Add entry and make aqueous solution formulation goods in component I and component II, the water add-on is less than 10 times of component I weight.
Add the solvent of solubilized component I and component II in component I and component II, as select a kind of solvent-borne type goods of making in ethanol, ethylene glycol, the Virahol for use, the add-on of solvent is less than 3 times of component I weight.
In component I and component II, add component III and be added with water or solvent is made emulsification formulation goods.
Empirical tests: the present invention fills a prescription simply, low cost of manufacture, and can prevent in wall, plate, wallpaper, cement components surface or the slit effectively, metal paint film etc. is coated with particularly formaldehyde of the aldehyde that volatilizes in the jewelry, suppresses it to be dispersed in the air, purified air.Can make the aldehyde volatile matter reduce 89-99% after tested, suppress effectively or the elimination aldehyde like harmful substance, be the environmentfriendly products of being badly in need of in the market, can be widely applicable for building, decoration industry.
Embodiment
The present invention finds that by the research to Ammonia material and aldehyde material component I all has the feature of reacting with aldehyde material, and reaction formula belongs to the reaction of aldehyde and ammonia and generates water.But speed of response is slow under normal temperature and normal pressure, is not enough to eliminate rapidly in the aldehydes, particularly the objectionable impurities that evaporates in the formaldehyde.When using the various oxide compound of fast reaction speed, find, more effective not as directly using the acids thing, thus further filter out component II.Such technical scheme can satisfy fully in building, requirement in the decoration industry, eliminates effectively or has suppressed nuisance.When wherein using inorganic acids, proportioning quantity is few and speed of response is fast, cost is low.But to consider pollution problem aborning to environment, control its add-on as far as possible, the add-on that makes component II is less than 40% of component I weight, with 20% is the best, the pH value of its goods is controlled between the 1-8, in order to avoid cause the secondary pollution of acid, in this scope, use definitely to guarantee the safe, effective of goods.
Can use the mixture of component I and component II separately, directly be added in the building materials raw material, the assurance aldehydes is not overflowed from building materials and finishing material, avoids influencing HUMAN HEALTH as far as possible.But for playing one's part to the full, goods of the present invention can be painted on the surface of buildings or finishing material, it fully is attached on building materials and the finishing material.Can add the tackiness agent of a small amount of component IV this moment, and add-on is less than 10% of component I weight.In addition, well-known, can also use other a large amount of adhesive type, but will consider the adhesion properties of building materials, special at special occasions as use to metal, carry out the selection experiment of tackiness agent earlier.
The adding of component III not only can reduce cost of the present invention significantly and improve the result of use of goods, still can improve its surface property, and also can add color in addition and improve outward appearance, and the use formulation that changes goods, enlarge use range.The goods of adding component III can be reprocessed and be made aqua or emulsification formulation, also can mix use with the tackiness agent of component IV, reach foregoing result of use.
Using when of the present invention, can be with joining behind component I and the component II mixing in the material that volatile aldehyde exists, as the wood chip tackiness agent of glue plywood, cement additire, or use in various types of coating.This moment large usage quantity, cost height, but effect is good especially, the aldehydes volatile matter can be eliminated before the effusion surface.Also can add tackiness agent as described above, be painted on airborne surperficial building materials.Reasonable method is to add component III in component I and component II, and it can be painted on building material surface separately, also can directly join as above-mentioned building materials tackiness agent, and finishing agent, paint is in the coating.The best way is to make the aqueous solution or add solubilized component I again and the solvent of component II adding component III among component I and the component II or among component I and the component II again, as ethanol, Virahol, ethylene glycol etc.Consider feedstock grade and commercial cost, generally the most suitable with ethanol.This aqueous solution formulation and solvent-borne type goods are sprayed or be painted on building material surface, can eliminate formaldehyde effectively.Generally, the aldehydes that volatilizes from building material surface, formaldehyde gas particularly, when emission is big in the early stage, volatile aldehyde can pollute environment or human body, but it is not a building materials main body composition, and prolongation meeting is in time volatilized gradually and finished, so use quantity of the present invention not need a lot, the time is also very short.As timber plate class, if with component I and component II scribble 50～200 grams/square metre quantity, can satisfy the requirement of environmental protection to aldehyde in the environment.
Embodiment 1: get component I urea and be phosphinylidyne ammonia 300 grams, component II oxalic acid 20 grams, blend, and then with the paint for wall blend.The ratio of goods of the present invention and coating blend does not have strict restriction, be generally less than coating heavy 1% can play restraining effect to the evolving gas of the aldehyde that contains aldehyde volatilization coating.Then, the using method brushing wall of pressing coating gets final product.
Embodiment 2: extract component I urea 300 grams, after component II oxysuccinic acid 100 grams are mixed, join in the 30 gram polyvinyl acetate emulsions, can be painted on then and suppress on the formaldehyde evaporable surface.Can PARA FORMALDEHYDE PRILLS(91,95) play restraining effect below every square metre of brushing 100 grams.This method is to the surface of having fitted up and use when smelling intensive aldehydes peculiar smell, can play the effect of rapid elimination, and former decoration surface is had no adverse effects.
Embodiment 3: get nicotinic acid hydrazide 600 gram, citric acid 240 grams are dissolved in the 1500 gram ethanol (being converted into the straight alcohol amount) then, and are overweight for preventing the ethanol smell, can add water 1000 grams, extra heavy or when needing fast processing, these goods are effective to the aldehydes peculiar smell.
Embodiment 4: get nicotinoyl ammonia 800 grams, be dissolved in 2% aqueous sulfuric acid, 800 grams, adding white carbon black then is silicon-dioxide 2000 grams, and the limit adds the waterside stirring again, and meter is added the water yield 5000 grams.Goods are brushed to building material surface, and consumption and brushing method are with embodiment 2.
Embodiment 5: thiosemicarbazide 400 grams are dissolved in 5% aqueous hydrochloric acid, 200 grams, add water 3000 grams again, it is effective to suppress the aldehyde volatilization, and this prescription goods can be used safely.
Embodiment 6: with thiosemicarbazide 400 grams, citric acid 150 gram mixings, be titanium dioxide 1500 gram mixings with titanium oxide again, mix well with 600 gram water then that brushing method is with embodiment 2.Resulting product can replace coating for wall surface to use.
Embodiment 7: adipic acid dihydrazide 300 grams are dissolved in 5% aqueous hydrochloric acid, 200 grams, add water 3000 grams again, and resulting product is close with embodiment 5 effects, but on the high side.
Embodiment 8: polyacrylamide 400 grams add zinc oxide 1500 grams after restraining mixings with xitix (being vitamins C) 100 again, available 1200 gram ethanol (being converted into the straight alcohol amount) dilutions, add water 800 gram dilutions again and use, itself promptly can be used as the present invention's use and also can do brushing wall material usefulness.Can also be used to covering former decoration surface as required.
Cooperating with other materials behind the uniform mixing of the various embodiments described above lay special stress on component I and component II, mainly is to make component II can give full play to the effect of its catalysis, acceleration again, reaches the best effect of eliminating aldehyde like harmful substance.
Claims (9)
1, a kind of goods that are used to eliminate aldehyde like harmful substance, it is characterized in that: it comprises component I and component II, component I comprises the wherein a kind of component in the class of acyl Ammonia, hydrazides class or ureas at least, component II comprises wherein a kind of of hydrochloric acid, sulfuric acid, oxalic acid, xitix, citric acid, oxysuccinic acid or gluconic acid at least, the add-on of component II is less than 40% of component I weight, and the pH value of control goods is 1-8.
2, the goods of aldehyde like harmful substance are eliminated in described being used to according to claim 1, it is characterized in that also comprising component III, component III comprises wherein a kind of of titanium dioxide, zinc oxide, photocatalysis powder or Si oxide at least, and the add-on of component III is less than 5 times of component I weight.
3,, it is characterized in that described acyl Ammonia can select polyacrylamide, formyl ammonia, phosphinylidyne diamino, nicotinoyl ammonia for use according to the described goods that are used to eliminate aldehyde like harmful substance of claim 1.
4, the goods of aldehyde like harmful substance are eliminated in described being used to according to claim 1, it is characterized in that described hydrazides class can be adipic dihydrazide, salicylic acid hydrazides, hydrazonium sulfate, nicotinic acid hydrazide or sebacic dihydrazide.
5, the goods of aldehyde like harmful substance are eliminated in described being used to according to claim 1, it is characterized in that described ureas can select thiosemicarbazide, Dimethylurea or thiocarbamide for use.
6, eliminate the goods of aldehyde like harmful substance according to claim 1 or 2 described being used to, it is characterized in that in component I and component II, being added with can with building materials matrix adherent binder component IV, as urea aldehyde, phenolic aldehyde, unsaturated polyester, Resins, epoxy or Vinyl Acetate Copolymer tackiness agent, the add-on of component IV is less than 10% of component I weight.
7, the goods of aldehyde like harmful substance are eliminated in described being used to according to claim 1, it is characterized in that adding entry and make aqueous solution formulation goods in component I and component II, and the water add-on is less than 10 times of component I weight.
8, the goods of aldehyde like harmful substance are eliminated in described being used to according to claim 1, it is characterized in that adding among component I and the component II solvent of solubilized component I and component II, as select a kind of solvent-borne type goods of making in ethanol, ethylene glycol, the Virahol for use, the add-on of solvent is less than 3 times of component I weight.
9, eliminate the goods of aldehyde like harmful substance according to claim 1 or 2 or 8 or 9 described being used to, it is characterized in that in component I and component II, adding component III and be added with water or solvent is made emulsification formulation goods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144565 CN1427045A (en) | 2001-12-21 | 2001-12-21 | Product used for eliminating aldehyde like harmful substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144565 CN1427045A (en) | 2001-12-21 | 2001-12-21 | Product used for eliminating aldehyde like harmful substance |
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| CN1427045A true CN1427045A (en) | 2003-07-02 |
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| CN 01144565 Pending CN1427045A (en) | 2001-12-21 | 2001-12-21 | Product used for eliminating aldehyde like harmful substance |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100398609C (en) * | 2006-04-18 | 2008-07-02 | 陕西科技大学 | Method of preparing aldehyde remover by utilizing leather heels |
| CN101974263A (en) * | 2010-10-19 | 2011-02-16 | 王秀宝 | Coating for removing formaldehyde in indoor air |
| US8334021B2 (en) | 2008-08-12 | 2012-12-18 | Rohm And Haas Company | Aldehyde reduction in aqueous coating and leather finishing compositions |
| CN103131270A (en) * | 2013-02-19 | 2013-06-05 | 刘川 | Multifunctional waterproof antiseptic aldehyde-eliminating glue and preparation method |
| CN103421173A (en) * | 2013-08-20 | 2013-12-04 | 华南理工大学 | Formaldehyde-purifying alkyd resin and preparation method thereof |
| CN105722924A (en) * | 2013-09-30 | 2016-06-29 | 瑟登蒂德公司 | Stain repellent and VOC eliminating coatings and use thereof |
-
2001
- 2001-12-21 CN CN 01144565 patent/CN1427045A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100398609C (en) * | 2006-04-18 | 2008-07-02 | 陕西科技大学 | Method of preparing aldehyde remover by utilizing leather heels |
| US8334021B2 (en) | 2008-08-12 | 2012-12-18 | Rohm And Haas Company | Aldehyde reduction in aqueous coating and leather finishing compositions |
| CN101974263A (en) * | 2010-10-19 | 2011-02-16 | 王秀宝 | Coating for removing formaldehyde in indoor air |
| CN103131270A (en) * | 2013-02-19 | 2013-06-05 | 刘川 | Multifunctional waterproof antiseptic aldehyde-eliminating glue and preparation method |
| CN103421173A (en) * | 2013-08-20 | 2013-12-04 | 华南理工大学 | Formaldehyde-purifying alkyd resin and preparation method thereof |
| CN103421173B (en) * | 2013-08-20 | 2015-10-28 | 华南理工大学 | A kind of purifying formaldehyde Synolac and preparation method thereof |
| CN105722924A (en) * | 2013-09-30 | 2016-06-29 | 瑟登蒂德公司 | Stain repellent and VOC eliminating coatings and use thereof |
| CN105722924B (en) * | 2013-09-30 | 2018-10-23 | 瑟登蒂德公司 | Coating and application thereof that is antifouling and eliminating VOC |
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