CN103980833A - Long-acting antibacterial wet adhesive for wallpaper and preparation method thereof - Google Patents
Long-acting antibacterial wet adhesive for wallpaper and preparation method thereof Download PDFInfo
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- CN103980833A CN103980833A CN201410186684.9A CN201410186684A CN103980833A CN 103980833 A CN103980833 A CN 103980833A CN 201410186684 A CN201410186684 A CN 201410186684A CN 103980833 A CN103980833 A CN 103980833A
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Abstract
The invention discloses a long-acting antibacterial wet adhesive for wallpaper. The adhesive comprises the following raw materials: deionized water, plant starch, acetate starch, an antifreezing agent, inorganic nanometer mildew-resistant powder, an aqueous alkali solution and an aqueous acid solution. The long-acting antibacterial wet adhesive for wallpaper employs the inorganic nanometer mildew-resistant powder as a mildew preventing system and achieves the purpose of sterilization by destroying protein and DNA of microbes in virtue of a contact sterilization mechanism; after sterilization, nanometer metal ions can remove the microbes and enter the bodies of microbes for cyclic sterilization; and thus, the wet adhesive for wallpaper can realize long-acting bacteriostasis and sterilization effects and effectively prevents mildew of wallpaper.
Description
Technical field
The present invention relates to wallpaper auxiliary material technical field, relate in particular to wet glue of a kind of long acting antibiotic wallpaper and preparation method thereof.
Background technology
In recent years, wallpaper, due to its characteristic such as easy-to-use, attractive in appearance, convenient, enjoys people to favor, but current wallpaper product exists very large defect qualitatively, common wallpaper ventilation property, mildew resistant moistureproof performance are bad, and after life-time service, easily mildew rots, affects attractive in appearance.
The wet glue of wallpaper is a kind of sizing agent that is used for specially pasting wallpaper.At present, the wet glue of wallpaper is of a great variety on the market, and quality is uneven.Such as, what have directly boils with dextrin, and the common wheat starch gelatinization of some use is made, and viscosity index and viscosity intensity difference are apart from very far away.
The main raw material(s) of the wet glue of wallpaper is the organic high molecular polymer of starch based, very easily moldy metamorphism.At present; the wet glue of some wallpapers on the market generally all uses organic mildew-resistant system to carry out mildew-resistant; but organic mildew-resistant system self can be consumed gradually in the process of resisting the microbial attack such as bacterium, mould; the wet glue of wallpaper has also lost self-protection performance gradually like this; cause glued membrane to be easy to mouldy, cause wallpaper big area mouldy.
Summary of the invention
For the existing defect of above-mentioned prior art, the object of the invention is to propose wet glue of a kind of long acting antibiotic wallpaper and preparation method thereof; The wet glue of wallpaper of the present invention has solved that traditional organic mildew-resistant system easily lost efficacy, easily mouldy problem of wallpaper, reaches the effect of antibacterial, sterilization lastingly.
For achieving the above object, adopt following technical scheme:
First aspect, the invention provides the wet glue of a kind of long acting antibiotic wallpaper, and its raw material comprises deionized water, plant amylum, acetate starch, frostproofer, inorganic nano mildew-resistant powder, alkali aqueous solution and aqueous acid.
As preferably, described plant amylum is any one or a few in wheat starch, glutinous rice starch or yam starch, more preferably wheat starch.
As preferably, described frostproofer is ethylene glycol, propylene glycol or glycerol, more preferably ethylene glycol.
" inorganic nano mildew-resistant powder " used herein can be commercially available prod, and those skilled in the art can be by commercially available.Contriver finds by large quantity research, in the wet glue of wallpaper, substitutes organic mould inhibitor with inorganic nano mildew-resistant powder, can reach the effect of long acting antibiotic, mildew-resistant, sterilization.
As preferably, described inorganic nano mildew-resistant powder is any one in inorganic nano-silver mildew-proof powder, inorganic nano zinc mildew-resistant powder or inorganic nano copper mildew-resistant powder, or several mixture arbitrarily.
Described arbitrarily several mixture, refers to the inorganic nano mildew-resistant powder that any two kinds or above doping crystallization in the Nano compound of silver, zinc, copper are composited, and is a kind of high-effect anti-mould functional materials.
As preferably, described alkali aqueous solution is the aqueous solution of sodium hydroxide or potassium hydroxide;
Further preferably, described alkali aqueous solution is aqueous sodium hydroxide solution; More preferably, the quality concentration expressed in percentage by volume taking g/ml of described aqueous sodium hydroxide solution as 30%-50%, be preferably 40%.
In specific embodiments, the quality concentration expressed in percentage by volume taking g/ml of described aqueous sodium hydroxide solution is as 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49% or 50%.
As preferably, described aqueous acid is hydrochloric acid or phosphorus aqueous acid;
Further preferably, described aqueous acid is aqueous hydrochloric acid; Still more preferably, the mass percentage concentration of described aqueous hydrochloric acid is 12%-18%, is preferably 15%.
In specific embodiments, the mass percentage concentration of described aqueous hydrochloric acid is 12%, 13%, 14%, 15%, 16%, 17% or 18%.
As preferably, the raw material of the wet glue of described long acting antibiotic wallpaper comprises deionized water 60-85 weight part, wheat starch 10-22 weight part, acetate starch 4-16 weight part, frostproofer 2-6 weight part, inorganic nano mildew-resistant powder 0.4-2.2 weight part, 40% aqueous sodium hydroxide solution 4-10 weight part, 15% aqueous hydrochloric acid 4-12 weight part.
More preferably, the raw material of the wet glue of described long acting antibiotic wallpaper comprises deionized water 65-80 weight part, wheat starch 15-20 weight part, acetate starch 5-15 weight part, frostproofer 3-5 weight part, inorganic nano mildew-resistant powder 0.5-2 weight part, 40% aqueous sodium hydroxide solution 5-8 weight part, 15% aqueous hydrochloric acid 5-10 weight part.
In a preferred embodiment, the raw material of the wet glue of described long acting antibiotic wallpaper comprises deionized water 65 weight parts, wheat starch 20 weight parts, acetate starch 10 weight parts, frostproofer 3 weight parts, inorganic nano mildew-resistant powder 0.5 weight part, 40% aqueous sodium hydroxide solution 5 weight parts, 15% aqueous hydrochloric acid 8 weight parts.
In another preferred embodiment, the raw material of the wet glue of described long acting antibiotic wallpaper comprises deionized water 75 weight parts, wheat starch 15 weight parts, acetate starch 10 weight parts, frostproofer 5 weight parts, inorganic nano mildew-resistant powder 1 weight part, 40% aqueous sodium hydroxide solution 5 weight parts, 15% aqueous hydrochloric acid 8 weight parts.
In another preferred embodiment, the raw material of the wet glue of described long acting antibiotic wallpaper comprises deionized water 70 weight parts, wheat starch 10 weight parts, acetate starch 15 weight parts, frostproofer 3 weight parts, inorganic nano mildew-resistant powder 2 weight parts, 40% aqueous sodium hydroxide solution 5 weight parts, 15% aqueous hydrochloric acid 8 weight parts.
Second aspect, the invention provides the preparation method of the wet glue of long acting antibiotic wallpaper as described in first aspect, and this preparation method comprises the following steps:
(1) wheat starch and acetate starch are dissolved in deionized water, stir;
(2) under agitation, add part alkali aqueous solution, standing and reacting;
(3) under agitation, add remaining alkali aqueous solution, until starch pasting is to terminal;
(4) regulate pH value to 5-6 with aqueous acid;
(5) add inorganic nano mildew-resistant powder, stir;
(6) add frostproofer, stir and get final product.
In above-mentioned preparation method, in step (2), as preferably, 20～30 DEG C, preferably at 25 DEG C, add while stirring part alkali aqueous solution;
Preferably, add 8%～12%, preferably 10% of alkali aqueous solution total amount;
Preferably, the described standing and reacting time is 1.5-2.5 hour, is preferably 2 hours.
The wet glue of long acting antibiotic wallpaper of the present invention adopts inorganic nano mildew-resistant powder as mildew-resistant system; rely on contact-type sterilization mechanism; reach sterilization object by the means of destroy microorganisms protein and DNA; nano metal ion after sterilization can depart from microorganism itself; enter and in other microbe, carry out recycling sterilizing; so inorganic nano mildew-resistant powder can repeat, lasting sterilization, antibacterial, be subject to Wall paper adhesive and the wallpaper of the protection of inorganic nano mildew-resistant powder can be forever not mouldy.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with specific embodiment.Should be appreciated that enforcement of the present invention is not limited to following examples, those skilled in the art can carry out various improvement based on this, and these also all fall into protection scope of the present invention.
In following examples, the source of main raw material used is as follows:
Inorganic nano mildew-resistant powder: model 421, Shanghai Shizhan Chemical Technology Co., Ltd. produces;
Wheat starch: Wal, Shanghai food development company limited produces;
Acetate starch: Bai Xing bio tech ltd, Wuhan produces;
Sodium hydroxide; Guangzhou Chemical Reagent Factory is produced;
Hydrochloric acid: Guangzhou Chemical Reagent Factory is produced;
Ethylene glycol: Guangzhou Chemical Reagent Factory is produced.
The preparation of the wet glue of embodiment 1 long acting antibiotic wallpaper of the present invention
Composition of raw materials:
Deionized water 65 weight parts, wheat starch 20 weight parts, acetate starch 10 weight parts, frostproofer 3 weight parts, inorganic nano mildew-resistant powder 0.5 weight part, 40% (the quality volume percent of g/ml meter) aqueous sodium hydroxide solution 5 weight parts, 15% (mass percent) aqueous hydrochloric acid, 8 weight parts
Preparation by the following method:
1. wheat starch and acetate starch are dissolved in deionized water, stir;
2. control temperature at 25 DEG C, limit is stirred to become and is added 10% of alkali aqueous solution total amount, standing and reacting 2 hours;
3. add while stirring remaining alkali aqueous solution, until starch pasting is to terminal;
4. regulate pH value to 5-6 with 15% aqueous acid;
5. add inorganic nano mildew-resistant powder, stir;
6. add frostproofer, stir;
7. discharging, packaging finished product.
The product that the present embodiment obtains is deposited in the cool and sealing is preserved, and the lower shelf lives of normal temperature is 1 year.
The preparation of the wet glue of embodiment 2 long acting antibiotic wallpaper of the present invention
Composition of raw materials:
Deionized water 75 weight parts, wheat starch 15 weight parts, acetate starch 10 weight parts, frostproofer 5 weight parts, inorganic nano mildew-resistant powder 1 weight part, 40% (the quality volume percent of g/ml meter) aqueous sodium hydroxide solution 5 weight parts, 15% (mass percent) aqueous hydrochloric acid, 8 weight parts
Preparation by the following method:
1. wheat starch and acetate starch are dissolved in deionized water, stir;
2. control temperature at 25 DEG C, limit is stirred to become and is added 10% of alkali aqueous solution total amount, standing and reacting 2 hours;
3. add while stirring remaining alkali aqueous solution, until starch pasting is to terminal;
4. regulate pH value to 5-6 with 15% aqueous acid;
5. add inorganic nano mildew-resistant powder, stir;
6. add frostproofer, stir;
7. discharging, packaging finished product.
The product that the present embodiment obtains is deposited in the cool and sealing is preserved, and the lower shelf lives of normal temperature is 1 year.
The preparation of the wet glue of embodiment 3 long acting antibiotic wallpaper of the present invention
Composition of raw materials:
Deionized water 70 weight parts, wheat starch 10 weight parts, acetate starch 15 weight parts, frostproofer 3 weight parts, inorganic nano mildew-resistant powder 2 weight parts, 40% (the quality volume percent of g/ml meter) aqueous sodium hydroxide solution 5 weight parts, 15% (mass percent) aqueous hydrochloric acid, 8 weight parts
Preparation by the following method:
1. wheat starch and acetate starch are dissolved in deionized water, stir;
2. control temperature at 25 DEG C, limit is stirred to become and is added 10% of alkali aqueous solution total amount, standing and reacting 2 hours;
3. add while stirring remaining alkali aqueous solution, until starch pasting is to terminal;
4. regulate pH value to 5-6 with 15% aqueous acid;
5. add inorganic nano mildew-resistant powder, stir;
6. add frostproofer, stir;
7. discharging, packaging finished product.
The product that the present embodiment obtains is deposited in the cool and sealing is preserved, and the lower shelf lives of normal temperature is 1 year.
The anti-microbial property test of the wet glue of embodiment 4 long acting antibiotic wallpaper of the present invention
The antibacterial test of the wet glue of wallpaper of the present invention is with reference to GB/T21866-2008 antibiotic paint (paint film) anti-microbial property assay method and antibacterial effect standard.
Test bacterial classification: flavus, aspergillus niger, terreus, paecilomyces varioti, penicillium funiculosum, Aureobasidium pullulans, Chaetomium globosum;
Testing method: various moulds are configured to 105cfu/ml bacterium liquid, and in the aqueous solution, every kind of mould quantity is identical.Respectively wet wallpaper made above-mentioned three embodiment glue is coated on putty plate according to constructing operation, after being dried, the aqueous solution of mould mixed solution is evenly sprayed.Be placed in the mold incubator of 37 DEG C of left and right, observe mouldy situation.After 28 days, on putty plate, do not have mould-growth mildew-resistant grade to be 0 grade, have the mould-growth mildew-resistant grade that is less than 10% area to be I level.
The antifungal test result of the wet glue of wallpaper of the present invention is as shown in table 1:
The antifungal test result of table 1, the wet glue of wallpaper of the present invention
| Embodiment numbering | 1 | 2 | 3 |
| Mildewing grade | I level | I level | 0 grade |
As seen from the results in Table 1, the wet glue of wallpaper of the present invention can still can effectively suppress the growth of various moulds at 28 days.
Applicant statement, the present invention illustrates the present invention by above-described embodiment, but that the present invention is not limited to is above-mentioned, does not mean that the present invention must rely on above-mentioned could enforcement.Person of ordinary skill in the field should understand, any improvement in the present invention, and the selections of the equivalence replacement to the selected raw material of the present invention and the interpolation of ancillary component, concrete mode etc., within all dropping on protection scope of the present invention and open scope.
Claims (9)
1. the wet glue of long acting antibiotic wallpaper, is characterized in that, its raw material comprises: deionized water, plant amylum, acetate starch, frostproofer, inorganic nano mildew-resistant powder, alkali aqueous solution and aqueous acid.
2. the wet glue of long acting antibiotic wallpaper according to claim 1, is characterized in that, described plant amylum is any one or a few in wheat starch, glutinous rice starch or yam starch, is preferably wheat starch.
3. the wet glue of long acting antibiotic wallpaper according to claim 1 and 2, is characterized in that, described frostproofer is ethylene glycol, propylene glycol or glycerol, is preferably ethylene glycol.
4. according to the wet glue of the long acting antibiotic wallpaper described in claim 1-3 any one, it is characterized in that, described inorganic nano mildew-resistant powder is any one in inorganic nano-silver mildew-proof powder, inorganic nano zinc mildew-resistant powder or inorganic nano copper mildew-resistant powder, or any several mixture.
5. according to the wet glue of the long acting antibiotic wallpaper described in claim 1-4 any one, it is characterized in that, described alkali aqueous solution is the aqueous solution of sodium hydroxide or potassium hydroxide;
Preferably, described alkali aqueous solution is aqueous sodium hydroxide solution;
Further preferably, the quality concentration expressed in percentage by volume taking g/ml of described aqueous sodium hydroxide solution as 30%-50%, be preferably 40%.
6. according to the wet glue of the long acting antibiotic wallpaper described in claim 1-5 any one, it is characterized in that, described aqueous acid is hydrochloric acid or phosphorus aqueous acid;
Preferably, described aqueous acid is aqueous hydrochloric acid;
Further preferably, the mass percentage concentration of described aqueous hydrochloric acid is 12%-18%, is preferably 15%.
7. according to the wet glue of the long acting antibiotic wallpaper described in claim 1-6 any one, it is characterized in that, its raw material comprises: deionized water 60-85 weight part, wheat starch 10-22 weight part, acetate starch 4-16 weight part, frostproofer 2-6 weight part, inorganic nano mildew-resistant powder 0.4-2.2 weight part, 40% aqueous sodium hydroxide solution 4-10 weight part, 15% aqueous hydrochloric acid 4-12 weight part;
Preferably, its raw material comprises deionized water 65-80 weight part, wheat starch 15-20 weight part, acetate starch 5-15 weight part, frostproofer 3-5 weight part, inorganic nano mildew-resistant powder 0.5-2 weight part, 40% aqueous sodium hydroxide solution 5-8 weight part, 15% aqueous hydrochloric acid 5-10 weight part;
Preferably, its raw material comprises deionized water 65 weight parts, wheat starch 20 weight parts, acetate starch 10 weight parts, frostproofer 3 weight parts, inorganic nano mildew-resistant powder 0.5 weight part, 40% aqueous sodium hydroxide solution 5 weight parts, 15% aqueous hydrochloric acid 8 weight parts;
Preferably, its raw material comprises deionized water 75 weight parts, wheat starch 15 weight parts, acetate starch 10 weight parts, frostproofer 5 weight parts, inorganic nano mildew-resistant powder 1 weight part, 40% aqueous sodium hydroxide solution 5 weight parts, 15% aqueous hydrochloric acid 8 weight parts;
Preferably, its raw material comprises deionized water 70 weight parts, wheat starch 10 weight parts, acetate starch 15 weight parts, frostproofer 3 weight parts, inorganic nano mildew-resistant powder 2 weight parts, 40% aqueous sodium hydroxide solution 5 weight parts, 15% aqueous hydrochloric acid 8 weight parts.
8. the preparation method of the wet glue of the long acting antibiotic wallpaper as described in claim 1-7 any one, is characterized in that, comprises the following steps:
(1) wheat starch and acetate starch are dissolved in deionized water, stir;
(2) under agitation, add part alkali aqueous solution, standing and reacting;
(3) under agitation, add remaining alkali aqueous solution, until starch pasting is to terminal;
(4) regulate pH value to 5-6 with aqueous acid;
(5) add inorganic nano mildew-resistant powder, stir;
(6) add frostproofer, stir and get final product.
9. preparation method according to claim 8, is characterized in that, in step (2), 20～30 DEG C, preferably at 25 DEG C, add while stirring part alkali aqueous solution;
Preferably, add 8%～12%, preferably 10% of alkali aqueous solution total amount;
Preferably, the described standing and reacting time is 1.5-2.5 hour, is preferably 2 hours.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105199648A (en) * | 2015-10-08 | 2015-12-30 | 鹤山市顺鑫实业有限公司 | Solid wallpaper adhesive and preparation method thereof |
| CN105295771A (en) * | 2015-05-07 | 2016-02-03 | 苏州第一元素纳米技术有限公司 | Bonding agent and preparation method thereof |
| CN105297533A (en) * | 2015-10-13 | 2016-02-03 | 广东轻工职业技术学院 | Bacteriostatic paper containing garlic powder and preparation method and application of bacteriostatic paper |
| CN105567118A (en) * | 2015-12-16 | 2016-05-11 | 张树发 | Dehydrated wall paper wet glue and preparation method thereof |
| CN105693145A (en) * | 2016-02-14 | 2016-06-22 | 佛山市恒学科技服务有限公司 | Efficient environment-friendly wallpaper adhesive |
| CN106987219A (en) * | 2017-04-06 | 2017-07-28 | 合肥欧克斯新型建材有限公司 | A kind of high viscosity Wall paper adhesive and preparation method thereof |
| CN107384245A (en) * | 2017-08-28 | 2017-11-24 | 上海前引科技有限公司 | A kind of antibacterial and mouldproof anion glutinous rice adhesive |
| CN107629726A (en) * | 2017-09-26 | 2018-01-26 | 芜湖县双宝建材有限公司 | A kind of glutinous rice glue preparation method for wallpaper |
| CN108252162A (en) * | 2017-12-30 | 2018-07-06 | 常州文诺纺织品有限公司 | A kind of mould proof wallpaper and preparation method thereof |
| CN113429909A (en) * | 2020-11-17 | 2021-09-24 | 江门市蓝羽建筑粘合剂实业有限公司 | Alkali-gelatinized wet glue and preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105295771A (en) * | 2015-05-07 | 2016-02-03 | 苏州第一元素纳米技术有限公司 | Bonding agent and preparation method thereof |
| CN105199648A (en) * | 2015-10-08 | 2015-12-30 | 鹤山市顺鑫实业有限公司 | Solid wallpaper adhesive and preparation method thereof |
| CN105297533A (en) * | 2015-10-13 | 2016-02-03 | 广东轻工职业技术学院 | Bacteriostatic paper containing garlic powder and preparation method and application of bacteriostatic paper |
| CN105567118A (en) * | 2015-12-16 | 2016-05-11 | 张树发 | Dehydrated wall paper wet glue and preparation method thereof |
| CN105693145A (en) * | 2016-02-14 | 2016-06-22 | 佛山市恒学科技服务有限公司 | Efficient environment-friendly wallpaper adhesive |
| CN106987219A (en) * | 2017-04-06 | 2017-07-28 | 合肥欧克斯新型建材有限公司 | A kind of high viscosity Wall paper adhesive and preparation method thereof |
| CN107384245A (en) * | 2017-08-28 | 2017-11-24 | 上海前引科技有限公司 | A kind of antibacterial and mouldproof anion glutinous rice adhesive |
| CN107629726A (en) * | 2017-09-26 | 2018-01-26 | 芜湖县双宝建材有限公司 | A kind of glutinous rice glue preparation method for wallpaper |
| CN108252162A (en) * | 2017-12-30 | 2018-07-06 | 常州文诺纺织品有限公司 | A kind of mould proof wallpaper and preparation method thereof |
| CN113429909A (en) * | 2020-11-17 | 2021-09-24 | 江门市蓝羽建筑粘合剂实业有限公司 | Alkali-gelatinized wet glue and preparation method and application thereof |
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