CN101559234A - Novel super absorbent resin/antibacterial composite material and preparation method and application thereof - Google Patents
Novel super absorbent resin/antibacterial composite material and preparation method and application thereof Download PDFInfo
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- CN101559234A CN101559234A CNA200810089014XA CN200810089014A CN101559234A CN 101559234 A CN101559234 A CN 101559234A CN A200810089014X A CNA200810089014X A CN A200810089014XA CN 200810089014 A CN200810089014 A CN 200810089014A CN 101559234 A CN101559234 A CN 101559234A
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- antibacterial
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- absorbent resin
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Abstract
The invention provides an antibacterial super absorbent resin composite material and a preparation method thereof. A super absorbent resin is used as an interstitial substance, a precursor of an antimicrobial is dispersed into the super absorbent resin, and then the super absorbent resin is placed into an environment which is suitable for growing the antimicrobial for a period of time so as to obtain the composite material containing the super absorbent resin and the antimicrobial. The composite material has excellent absorptive character and antibacterial property and can be used for sanitation nursing materials, such as diapers (trousers) for infants, irretention diapers for adults, sanitary towels for women, and the like.
Description
Technical field
The invention belongs to field of compound material, relate in particular to a kind of novel super absorbent resin/antibacterial composite material.
Background technology
High hydrophilous resin is a kind of functional high molecule material, can absorb and keep the moisture of hundreds of times to thousands of times of sole masses.Since its on molecular structure, have have in a large number very strong hydrophilic chemical based because of, and these chemical based be because of can forming various corresponding labyrinths, thus making that such material is high absorbs water and high water retention characteristic.Because of it has good suction, water retention property, High hydrophilous resin is widely used at hygienic article, industry, agricultural and field such as medical, but conventional High hydrophilous resin does not possess anti-microbial property, and it is significant for its application at medicine and hygiene fields therefore High hydrophilous resin to be carried out antibacterial functionalized modification.
Inorganic antiseptic is 20th century class anti-biotic materials that grow up of the mid-80, has safe, good heat resistance, nothing volatilization, does not produce the characteristics of drug resistance and antibiotic inefficacy.Inorganic antibacterial material mainly comprises two kinds of dissolution type antibacterial and catalysis material antibacterial.Wherein, the ionic forms of metals such as silver, copper, zinc belongs to the dissolution type antibacterial, because of its has a broad antifungal spectrum, sterilizing ability have obtained extensive studies and application in antibiotic field lastingly.Antibiotic mechanism is as follows: trace metal ion attracts electronegative antibacterial, the activity of destroy microorganisms synzyme, and may disturb the synthetic of microbial DNA, cause antibacterial forfeiture schizogamy ability and death.The price of photocatalyst-type inorganic antiseptic is very cheap, and nontoxic, and principal item has the N-type semiconductor metal-oxide, as TiO
2, ZnO, SiO
2Deng.TiO wherein
2Oxidation activity higher, stability is also stronger, and is harmless, has excellent broad-spectrum antiseptic usefulness.The bactericidal potency of nano zine oxide is good.Zu Yong etc. find in the experiment of the quantitative sterilization of nano zine oxide, when nano oxidized zinc concentration is 1%, in the 5min, are 98.86% to the sterilizing rate of staphylococcus aureus, are 99.93% to colibacillary sterilizing rate.The antibacterial mechanisms of this class antibacterial mainly is based on light-catalyzed reaction.
Summary of the invention
The purpose of this invention is to provide a kind of High hydrophilous resin/antibacterial composite material.
Another object of the present invention provides the preparation method of High hydrophilous resin/antibacterial composite material.
An also purpose of the present invention provides the application of preparation method in sanitary care articles such as baby diaper (trousers), adult-incontinence diaper, sanltary towel of High hydrophilous resin/antibacterial composite material.
The content of the antibacterial in water-absorbing resin/antibacterial composite material of the present invention is 0.05～60wt%, and preferred content is 0.1～60wt%, and more preferably content is 0.5～20wt%.
The preparation of High hydrophilous resin/antibacterial composite material of the present invention is: at first the antibacterial presoma is distributed in the aqueous solution, add a certain amount of High hydrophilous resin after after dispersion liquid stir process a period of time, fully stir, take out the High hydrophilous resin granule that contains the antibacterial presoma after leaving standstill certain hour, this granule is placed the environment that is fit to the antibacterial growth, promptly obtained containing the super absorbent resin resin composite material of antibacterial after a period of time.This nano composite material has excellent absorption properties, good antibacterial performance and lower acrylic acid residual quantity.The replaceable conventional High hydrophilous resin of super absorbent resin resin composite material that contains antibacterial is used for various health fields.
The preparation method that contains the super absorbent resin resin composite material of antibacterial of the present invention is to carry out in the following order:
(a) a certain amount of antibacterial presoma is distributed in the water, room temperature stirred 1～2 hour down, and promptly obtaining concentration is the antibacterial presoma dispersion liquid of 0.5～20wt%;
(b) the High hydrophilous resin granule is joined in the dispersion liquid that step (a) obtains, stir under the room temperature and take out the High hydrophilous resin granule after 0.5～24 hour, promptly obtained containing the super absorbent resin resin composite material of antibacterial presoma.
(c) the super absorbent resin resin composite material that the antibacterial presoma is arranged that step (b) is obtained places 0.5-48h under the condition that is fit to antibiotic property agent growth, takes out above-mentioned particle afterwards, has promptly obtained containing the super absorbent resin resin composite material of antibacterial.
The presoma of described antibacterial is selected from zincum salts such as silver nitrate, zinc chloride, zinc sulfate, zinc nitrate, and titanium precursor body such as titanium tetrachloride, phthalate ester, and silicon oxide presoma such as methyl silicate, ethyl orthosilicate, and one or more the mixture in the above-mentioned presoma.
High hydrophilous resin/antibacterial composite material of the present invention has good absorbent properties and excellent anti-microbial property.
Characteristics of the present invention are:
1) fabricating technology of the present invention is simple, can carry out in the synthetic ready-made process equipment of High hydrophilous resin, need not transform existing equipment.
2) anti-microbial property of High hydrophilous resin excellence has been given in the adding of inorganic antiseptic, and its absorbent properties are significantly not impaired simultaneously.
The specific embodiment
Embodiment 1
Get the silver nitrate aqueous solution that 100g concentration is 0.02mol/L, add 5.0g polyacrylic High hydrophilous resin, leave standstill placement behind the vigorous stirring 1h, take out the High hydrophilous resin particle after the 4h, dried product exhibited is crushed to the above fineness of 200 orders, has promptly obtained polyacrylic acid/silver composite material.
Get above-mentioned product and carry out absorbent properties test and antibiotic property test, its water absorption rate is 1800 times.Antibacterial circle diameter is 5cm.
Embodiment 2
Get the silver nitrate aqueous solution that 100g concentration is 0.04mol/L, adding 5.0g carboxymethyl cellulose grafted polyacrylic acid is High hydrophilous resin, leave standstill placement behind the vigorous stirring 1h, take out the High hydrophilous resin particle after the 4h, dried product exhibited is crushed to the above fineness of 200 orders, has promptly obtained carboxymethyl cellulose grafted polyacrylic acid/silver composite material.
Get above-mentioned product and carry out absorbent properties test and antibiotic property test, its water absorption rate is 800 times.Antibacterial circle diameter is 6cm.
Embodiment 3
Get the zinc sulfate solution that 100g concentration is 0.04mol/L, add the starch-grafted polyacrylic High hydrophilous resin of 7.5g, leave standstill placement behind the vigorous stirring 1h, take out the High hydrophilous resin particle after the 6h, dried product exhibited is crushed to the above fineness of 200 orders, has promptly obtained starch-grafted polyacrylic acid/silver composite material.
Get above-mentioned product and carry out absorbent properties test and antibiotic property test, its water absorption rate is 1200 times.Antibacterial circle diameter is 7cm.
Embodiment 4
Get the zinc sulfate solution that 100g concentration is 0.04mol/L, add the starch-grafted polyacrylic High hydrophilous resin of 5.0g, leave standstill placement behind the vigorous stirring 1h, take out the High hydrophilous resin particle after the 4h, dried product exhibited is crushed to the above fineness of 200 orders, has promptly obtained starch-grafted polyacrylic acid/silver composite material.
Get above-mentioned product and carry out absorbent properties test and antibiotic property test, its water absorption rate is 1200 times.Antibacterial circle diameter is 7cm.
Embodiment 5
Get the zinc sulfate solution that 100g concentration is 0.04mol/L, add the starch-grafted polyacrylic High hydrophilous resin of 5.0g, leave standstill placement behind the vigorous stirring 1h, take out the High hydrophilous resin particle after the 4h, dried product exhibited is crushed to the above fineness of 200 orders, has promptly obtained starch-grafted polyacrylic acid/silver composite material.
Get above-mentioned product and carry out absorbent properties test and antibiotic property test, its water absorption rate is 1200 times.Antibacterial circle diameter is 7cm.
Embodiment 6
Get in the dehydrated alcohol that the 5mol tetrabutyl titanate joins 15ml, vigorous stirring, dripping hydrochloric acid aqueous solution in mixed liquor, the pH value of regulating mixed liquor is to 3-4, and vigorous stirring 20 minutes has obtained titania sol solution.Add 10.0g polyacrylic High hydrophilous resin in above-mentioned solution, leave standstill placement behind the vigorous stirring 1h, take out the High hydrophilous resin particle after the 4h.Above-mentioned particle is placed 80 ℃ of following hydro-thermal 2h in the hydro-thermal axe, afterwards product is taken out dry and be crushed to fineness more than 200 orders, promptly obtained the polyacrylic acid composite titania material.
Get above-mentioned product and carry out absorbent properties test and antibiotic property test, its water absorption rate is 1600 times.Antibacterial circle diameter is 5cm.
Embodiment 7
Get in the dehydrated alcohol that the 5mol tetrabutyl titanate joins 15ml, vigorous stirring, dripping hydrochloric acid aqueous solution in mixed liquor, the pH value of regulating mixed liquor is to 3-4, and vigorous stirring 20 minutes has obtained titania sol solution.Add 10.0g carboxymethyl cellulose grafted polyacrylic acid and be High hydrophilous resin in above-mentioned solution, leave standstill placement behind the vigorous stirring 1h, take out the High hydrophilous resin particle after the 4h.Above-mentioned particle is placed 80 ℃ of following hydro-thermal 4h in the hydro-thermal axe, afterwards product is taken out dry and be crushed to fineness more than 200 orders, promptly obtained carboxymethyl cellulose grafted polyacrylic acid composite titania material.
Get above-mentioned product and carry out absorbent properties test and antibiotic property test, its water absorption rate is 1100 times.Antibacterial circle diameter is 4cm.
Claims (7)
1. a novel super absorbent resin resin composite material is characterized in that: the antibacterial that contains the 0.05～60wt% that has an appointment in this High hydrophilous resin.
2. super absorbent resin resin composite material according to claim 1 is characterized in that: the content of described antibacterial is 0.1～60wt%.
3. super absorbent resin resin composite material according to claim 2 is characterized in that: the content of described antibacterial is 0.5～20wt%.
4. according to claim 1,2 or 3 described nano composite materials, it is characterized in that: described antibacterial is silver ion, zinc ion, titanium oxide and above-mentioned mixture.
5. the preparation method according to each described nano composite material of claim 1～4 is characterized in that, this method is carried out in the following order:
(a) above-mentioned antibacterial presoma is distributed in the aqueous solution, stirs, obtaining concentration is the antibacterial dispersion liquid of 0.5～20wt%;
(b) High hydrophilous resin is joined in the dispersion liquid that step (a) obtains.
(c) the dispersion drying that step (b) is obtained, pulverizing can obtain High hydrophilous resin/antibacterial composite material.
6. method according to claim 5 is characterized in that: described High hydrophilous resin is starch system, cellulose-based and synthetic resin system.
7. according to the purposes of each described super absorbent resin resin composite material of claim 1～4, it is characterized in that: described super absorbent resin resin composite material is as sanitary care articles such as baby diaper (trousers), adult-incontinence diaper, sanltary towels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810089014XA CN101559234A (en) | 2008-04-15 | 2008-04-15 | Novel super absorbent resin/antibacterial composite material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810089014XA CN101559234A (en) | 2008-04-15 | 2008-04-15 | Novel super absorbent resin/antibacterial composite material and preparation method and application thereof |
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| CN101559234A true CN101559234A (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200810089014XA Pending CN101559234A (en) | 2008-04-15 | 2008-04-15 | Novel super absorbent resin/antibacterial composite material and preparation method and application thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102296B (en) * | 2009-12-17 | 2012-06-27 | 东纶科技实业有限公司 | Nonwoven fabric for air wetting purification and preparation method thereof |
| CN102614543A (en) * | 2012-04-12 | 2012-08-01 | 河南舒莱卫生用品有限公司 | Antibacterial material for sanitary napkins and production method for sanitary napkins containing antibacterial material |
| CN103487300A (en) * | 2013-08-14 | 2014-01-01 | 武汉工程大学 | Testing method for water absorption rate of super absorbent resin |
| CN104094828A (en) * | 2014-07-11 | 2014-10-15 | 昆明中友丰钰科技有限公司 | Antibacterial high polymer resin soilless culture substrate material and preparation method thereof |
| CN104497212A (en) * | 2014-12-16 | 2015-04-08 | 广西大学 | Preparation method of bacteriostatic water-absorbent resin |
| CN110123528A (en) * | 2019-04-28 | 2019-08-16 | 杭州可靠护理用品股份有限公司 | Absorb the paper diaper and its processing technology of water lock excellent antibacterial performance |
| CN110628086A (en) * | 2019-10-10 | 2019-12-31 | 山东顺通环保材料有限公司徐州分公司 | Composite super absorbent resin |
-
2008
- 2008-04-15 CN CNA200810089014XA patent/CN101559234A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102296B (en) * | 2009-12-17 | 2012-06-27 | 东纶科技实业有限公司 | Nonwoven fabric for air wetting purification and preparation method thereof |
| CN102614543A (en) * | 2012-04-12 | 2012-08-01 | 河南舒莱卫生用品有限公司 | Antibacterial material for sanitary napkins and production method for sanitary napkins containing antibacterial material |
| CN102614543B (en) * | 2012-04-12 | 2014-04-30 | 河南舒莱卫生用品有限公司 | Antibacterial material for sanitary napkins and production method for sanitary napkins containing antibacterial material |
| CN103487300A (en) * | 2013-08-14 | 2014-01-01 | 武汉工程大学 | Testing method for water absorption rate of super absorbent resin |
| CN103487300B (en) * | 2013-08-14 | 2016-07-13 | 武汉工程大学 | The method of testing of water absorption rate of super absorbent resin |
| CN104094828A (en) * | 2014-07-11 | 2014-10-15 | 昆明中友丰钰科技有限公司 | Antibacterial high polymer resin soilless culture substrate material and preparation method thereof |
| CN104497212A (en) * | 2014-12-16 | 2015-04-08 | 广西大学 | Preparation method of bacteriostatic water-absorbent resin |
| CN110123528A (en) * | 2019-04-28 | 2019-08-16 | 杭州可靠护理用品股份有限公司 | Absorb the paper diaper and its processing technology of water lock excellent antibacterial performance |
| CN110123528B (en) * | 2019-04-28 | 2021-06-18 | 杭州可靠护理用品股份有限公司 | Paper diaper with excellent water absorption and locking antibacterial performance and processing technology thereof |
| CN110628086A (en) * | 2019-10-10 | 2019-12-31 | 山东顺通环保材料有限公司徐州分公司 | Composite super absorbent resin |
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Open date: 20091021 |