CN104878652B - Moisture Proof Pager Bag and preparation method thereof - Google Patents
Moisture Proof Pager Bag and preparation method thereof Download PDFInfo
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- CN104878652B CN104878652B CN201510282707.0A CN201510282707A CN104878652B CN 104878652 B CN104878652 B CN 104878652B CN 201510282707 A CN201510282707 A CN 201510282707A CN 104878652 B CN104878652 B CN 104878652B
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Abstract
The invention discloses a kind of Moisture Proof Pager Bag and preparation method thereof, including: 1) dilute sulfuric acid and starch are carried out gelatinizing to make starch solution；2) starch solution is carried out steaming and decocting with prepared pastel；3) glycerol, citric acid, ethanol, Colophonium, coalescents, cyclodextrin, Technique of Nano Pd, silicon latex, aluminum sulfate, surfactant and described pastel are mixed to prepare moisture-proof coating；4) surface that moisture-proof coating is painted on paper bag body prepares Moisture Proof Pager Bag.The moistureproof paper prepared by the method has mechanical performance and the humidity resistance of excellence.
Description
Technical field
The present invention relates to coating, in particular it relates to a kind of Moisture Proof Pager Bag and preparation method thereof.
Background technology
Food bag i.e. for containing the bag of food, divides from material, including paper foodstuff bag and
Food-packaging bag.Food-packaging bag has the characteristic of mechanical property, anticorrosion and the protection against the tide of excellence, but
Food-packaging bag is difficult to decompose, and does not meets the theory of environmental protection instantly；And paper foodstuff bag is owing to having
Excellent degradability, complies fully with the requirement of environmental protection, therefore, it is possible to used on a large scale.
Although paper foodstuff bag have excellence degradability, but the mechanicalness of food bag and humidity resistance
The most poor, thus cause paper foodstuff bag that the generation of situation about rupturing the most usually occurs, with
Time the food that is placed in paper foodstuff bag easily make moist and even go mouldy.
Summary of the invention
It is an object of the invention to provide a kind of Moisture Proof Pager Bag and preparation method thereof, by preventing that the method prepares
Tide paper has mechanical performance and the humidity resistance of excellence.
To achieve these goals, the invention provides the preparation method of a kind of Moisture Proof Pager Bag, including:
1) dilute sulfuric acid and starch are carried out gelatinizing to make starch solution；
2) starch solution is carried out steaming and decocting with prepared pastel；
3) by glycerol, citric acid, ethanol, Colophonium, coalescents, cyclodextrin, Technique of Nano Pd, silicon breast
Glue, aluminum sulfate, surfactant and described pastel are mixed to prepare moisture-proof coating；
4) surface that moisture-proof coating is painted on paper bag body prepares Moisture Proof Pager Bag.
Present invention also offers a kind of Moisture Proof Pager Bag, this Moisture Proof Pager Bag is prepared from by above-mentioned method.
By technique scheme, the external coating of the Moisture Proof Pager Bag that the present invention provides has moisture-proof coating, should
In moisture-proof coating, each component makes this moisture-proof coating can stably be attached to paper bag by synergism
The surface of paper bag body and then the mechanical performance of raising paper bag, simultaneously because the primary raw material of paper bag body is
Cellulose, the macromolecular polysaccharide being made up of glucose, the hydroxyl on polysaccharide surface is polar group, lives in surface
The polar group (hydrophilic group) of property agent can combine with hydroxyl, and the non-polar group of surfactant
(hydrophobic group) is consistent outwardly, because hydrophobic group is little with the affinity of water, and then is prevented from water entrance paper
Bag, so that paper bag has reached moistureproof performance.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides the preparation method of a kind of Moisture Proof Pager Bag, including:
1) dilute sulfuric acid and starch are carried out gelatinizing to make starch solution；
2) starch solution is carried out steaming and decocting with prepared pastel；
3) by glycerol, citric acid, ethanol, Colophonium, coalescents, cyclodextrin, Technique of Nano Pd, silicon breast
Glue, aluminum sulfate, surfactant and pastel are mixed to prepare moisture-proof coating；
4) surface that described moisture-proof coating is painted on paper bag body prepares Moisture Proof Pager Bag.
In step 1) in, the concrete consumption of each material can select in wide scope, but in order to form sediment
Powder can be in dilute sulfuric acid gelatinizing more rapidly, it is preferable that relative to the starch of 100 weight portions, dilute sulfur
The consumption of acid is 2-4 weight portion.Wherein, the concrete concentration of dilute sulfuric acid can select in wide scope,
But in order to optimize gelatinizing effect further, it is highly preferred that the concentration of the sulphuric acid in dilute sulfuric acid is 2-5 weight
Amount %.
In the present invention, the condition of gelatinizing can select in wide scope, but in order to improve further
Gelatinizing effect, it is preferable that gelatinizing meets following condition: gelatinization point is 15-35 DEG C, gelatinization time is
30-60min。
Step 2 in the present invention) in, the condition of steaming and decocting can select in wide scope, but in order to
Make cellulose cell be completely severed and then make gelatinization process to be sufficiently complete, it is preferable that steaming and decocting meet with
Lower condition: boiling temperature is 70-80 DEG C, digestion time is 2-4h.
Step 3 in the present invention) in, the concrete consumption of each material can select in wide scope, but
It is so that the moisture-proof coating prepared has more excellent bonding and moisture effect, it is preferable that relative to
The pastel of 100 weight portions, the consumption of glycerol is 1-5 weight portion, and the consumption of citric acid is 2-6 weight
Part, the consumption of ethanol is 0.5-1.5 weight portion, and the consumption of Colophonium is 0.5-1.2 weight portion, coalescents
Consumption be 1.5-3.5 weight portion, the consumption of cyclodextrin is 0.7-1.6 weight portion, and the consumption of Technique of Nano Pd is
0.05-0.08 weight portion, the consumption of silicon latex is 0.8-2.5 weight portion, and the consumption of aluminum sulfate is 1.5-2 weight
Amount part, the consumption of surfactant is 4-8 weight portion.
In the present invention, the concrete kind of coalescents can select in wide scope, but in order to make
The moisture-proof coating that must prepare has more excellent bonding and moisture effect, it is preferable that coalescents is selected from third
Glycol butyl ether and/or propylene glycol methyl ether acetate.
In the present invention, the concrete kind of surfactant can select in wide scope, but in order to
The Moisture Proof Pager Bag prepared is made to have more excellent bonding and moisture effect, it is preferable that surfactant selects
One or more in dodecyl benzene sulfonate, stearic acid and stearate.
In the present invention, the particle diameter of Technique of Nano Pd can select in wide scope, but so for preparing
Moisture Proof Pager Bag there is more excellent bonding and moisture effect, it is preferable that the particle diameter of Technique of Nano Pd is
10-30nm。
Step 3 in the present invention) in, the condition of mixing can select in wide scope, but in order to
Each material is sufficiently mixed, it is preferable that mixing meets following condition: mixing temperature is 15-35 DEG C,
Incorporation time is 20-40min.
Present invention also offers a kind of Moisture Proof Pager Bag, Moisture Proof Pager Bag is prepared from by above-mentioned method.
Hereinafter will be described the present invention by embodiment.In following example, tensile strength
(σb/kN·m-1) and during fracture percentage elongation (δ/%) parameter by the side of GB GB/T 12914-2008
Method records.
Embodiment 1
1) at 25 DEG C, dilute sulfuric acid (containing the sulphuric acid of 4 weight %) and starch are carried out gelatinizing 40min
To make starch solution；Wherein, dilute sulfuric acid is 100:3 with the weight ratio of starch.
2) at 75 DEG C, starch solution is carried out steaming and decocting 3h with prepared pastel；
3) at 25 DEG C, by above-mentioned pastel, glycerol, citric acid, ethanol, Colophonium, propylene glycol fourth
Ether, cyclodextrin, Technique of Nano Pd (particle diameter is 20nm), silicon latex, aluminum sulfate and dodecylbenzene sodium sulfonate
(weight ratio of each material is 100:3:4:1:0.8:2.5:1.2:0.06:1.5:1.7:6) mixes
Close 30min and prepare moisture-proof coating；
4) surface (thickness is 0.1mm) that above-mentioned moisture-proof coating is applied in paper bag body prepares protection against the tide
Paper bag A1.
Embodiment 2
1) at 15 DEG C, dilute sulfuric acid (containing the sulphuric acid of 2 weight %) and starch are carried out gelatinizing 30min
To make starch solution；Wherein, dilute sulfuric acid is 100:2 with the weight ratio of starch.
2) at 70 DEG C, starch solution is carried out steaming and decocting 2h with prepared pastel；
3) at 15 DEG C, by above-mentioned pastel, glycerol, citric acid, ethanol, Colophonium, propylene glycol first
Ether acetate, cyclodextrin, Technique of Nano Pd (particle diameter is 10nm), silicon latex, aluminum sulfate and stearate are (each
The weight ratio of material is 100:1:2:0.5:0.5:1.5:0.7:0.05:0.8:1.5:4) mixing
20min prepares moisture-proof coating；
4) surface (thickness is 0.1mm) that above-mentioned moisture-proof coating is applied in paper bag body prepares protection against the tide
Paper bag A2.
Embodiment 3
1) at 35 DEG C, dilute sulfuric acid (containing the sulphuric acid of 5 weight %) and starch are carried out gelatinizing 60min
To make starch solution；Wherein, dilute sulfuric acid is 100:4 with the weight ratio of starch.
2) at 80 DEG C, starch solution is carried out steaming and decocting 4h with prepared pastel；
3) at 35 DEG C, by above-mentioned pastel, glycerol, citric acid, ethanol, Colophonium, propylene glycol fourth
Ether, cyclodextrin, Technique of Nano Pd (particle diameter is 30nm), silicon latex, aluminum sulfate and stearic acid be (each material
Weight ratio is 100:5:6:1.5:1.2:3.5:1.6:0.08:2.5:2:8) mixing 40min system
Obtain moisture-proof coating；
4) surface (thickness is 0.1mm) that above-mentioned moisture-proof coating is applied in paper bag body prepares protection against the tide
Paper bag A3.
Comparative example 1
Carry out preparing Moisture Proof Pager Bag B1, except that step 1 according to the method for embodiment 1) in without dilute
Sulphuric acid.
Comparative example 2
Carry out preparing Moisture Proof Pager Bag B2, except that step 2 according to the method for embodiment 1) in do not steam
Boil process.
Comparative example 3
Carry out preparing Moisture Proof Pager Bag B3, except that step 3 according to the method for embodiment 1) in without sweet
Oil.
Comparative example 4
Carry out preparing Moisture Proof Pager Bag B4 according to the method for embodiment 1, except that step 3) middle without lemon
Lemon acid.
Comparative example 5
Carry out preparing Moisture Proof Pager Bag B5 according to the method for embodiment 1, except that step 3) middle without pine
Fragrant.
Comparative example 6
Carry out preparing Moisture Proof Pager Bag B6 according to the method for embodiment 1, except that step 3) middle without third
Glycol butyl ether.
Comparative example 7
Carry out preparing Moisture Proof Pager Bag B7, except that step 3 according to the method for embodiment 1) in acyclic
Dextrin.
Comparative example 8
Carry out preparing Moisture Proof Pager Bag B8 according to the method for embodiment 1, except that step 3) middle without receiving
Rice palladium.
Comparative example 9
Carry out preparing Moisture Proof Pager Bag B9 according to the method for embodiment 1, except that step 3) middle without silicon
Latex.
Comparative example 10
Carry out preparing Moisture Proof Pager Bag B10, except that step 3 according to the method for embodiment 1) in nothing
Aluminum sulfate.
Comparative example 11
Carry out preparing Moisture Proof Pager Bag B11, except that step 3 according to the method for embodiment 1) in nothing
Dodecylbenzene sodium sulfonate.
Detection example 1
Moisture Proof Pager Bag and the tensile strength of paper bag body is detected by the method for GB GB/T 12914-2008
(σb/kN·m-1) and fracture time percentage elongation (δ/%) parameter, the results are shown in Table 1.
Detection example 2
Anhydrous cupric sulfate is placed in above-mentioned Moisture Proof Pager Bag and paper bag body, then by Moisture Proof Pager Bag and paper bag
It is 28 grams of water/m that body is placed in air humidity3Environment (temperature is 30 DEG C) in, after 2 days observe beat
Open Moisture Proof Pager Bag and the color of paper bag body observation copper sulfate, the results are shown in Table 1.
Table 1
| Tensile strength (σ b/kN m-1) | Percentage elongation (δ/%) during fracture | Copper sulfate color | |
| A1 | 8.5 | 5.9 | White |
| A2 | 8.7 | 6.0 | White |
| A3 | 9.3 | 6.4 | White |
| B1 | 6.6 | 4.5 | Blue |
| B2 | 6.8 | 4.1 | Blue |
| B3 | 5.9 | 3.9 | Blue |
| B4 | 6.3 | 4.3 | Blue |
| B5 | 6.2 | 4.4 | Blue |
| B6 | 6.5 | 4.0 | Blue |
| B7 | 5.9 | 4.5 | Blue |
| B8 | 5.8 | 4.5 | Blue |
| B9 | 6.1 | 5.2 | Blue |
| B10 | 6.5 | 5.1 | Blue |
| B11 | 6.7 | 5.3 | Blue |
| Paper bag body | 4.6 | 3.9 | Blue |
By above-described embodiment, comparative example and detection example, the Moisture Proof Pager Bag that the present invention provides has excellent
Different mechanical performance and humidity resistance.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, can be to the technical side of the present invention
Case carries out multiple simple variant, and these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. the preparation method of a Moisture Proof Pager Bag, it is characterised in that including:
1) dilute sulfuric acid and starch are carried out gelatinizing to make starch solution；
2) starch solution is carried out steaming and decocting with prepared pastel；
3) by glycerol, citric acid, ethanol, Colophonium, coalescents, cyclodextrin, Technique of Nano Pd, silicon breast
Glue, aluminum sulfate, surfactant and described pastel are mixed to prepare moisture-proof coating；
4) surface that described moisture-proof coating is painted on paper bag body prepares Moisture Proof Pager Bag.
Preparation method the most according to claim 1, wherein, relative to the starch of 100 weight portions,
The consumption of described dilute sulfuric acid is 2-4 weight portion.
Preparation method the most according to claim 1, wherein, the sulphuric acid in described dilute sulfuric acid dense
Degree is 2-5 weight %.
Preparation method the most according to claim 1, wherein, described gelatinizing meets following condition:
Gelatinization point is 15-35 DEG C, and gelatinization time is 30-60min.
5. according to the preparation method described in any one in claim 1-4, wherein, described steaming and decocting is full
Be enough to lower condition: boiling temperature is 70-80 DEG C, digestion time is 2-4h.
Preparation method the most according to claim 5, wherein, described in 100 weight portions
Pastel, the consumption of described glycerol is 1-5 weight portion, and the consumption of described citric acid is 2-6 weight portion,
The consumption of described ethanol is 0.5-1.5 weight portion, and the consumption of described Colophonium is 0.5-1.2 weight portion, described
The consumption of coalescents is 1.5-3.5 weight portion, and the consumption of described cyclodextrin is 0.7-1.6 weight portion, institute
The consumption stating Technique of Nano Pd is 0.05-0.08 weight portion, and the consumption of described silicon latex is 0.8-2.5 weight portion,
The consumption of described aluminum sulfate is 1.5-2 weight portion, and the consumption of described surfactant is 4-8 weight portion.
Preparation method the most according to claim 5, wherein, described coalescents is selected from propylene glycol
Butyl ether and/or propylene glycol methyl ether acetate.
Preparation method the most according to claim 7, wherein, described surfactant is selected from 12
One or more in alkylbenzenesulfonate, stearic acid and stearate.
Preparation method the most according to claim 5, wherein, the particle diameter of described Technique of Nano Pd is
10-30nm。
10. according to the preparation method described in any one in claim 6-9, wherein, described mixing is full
Be enough to lower condition: mixing temperature is 15-35 DEG C, incorporation time is 20-40min.
11. 1 kinds of Moisture Proof Pager Bags, it is characterised in that described Moisture Proof Pager Bag is by claim 1-10
Method described in any one is prepared from.
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| CN109653029A (en) * | 2018-12-06 | 2019-04-19 | 康峰（苏州）纸品有限公司 | A kind of corrosion-resistant paper tube of environmental protection type moisture and its preparation process |
| CN109777313A (en) * | 2018-12-31 | 2019-05-21 | 苏州腾茂电子科技有限公司 | A kind of barrier antidetonation foam tape based on PET modified composite material |
| CN110387067A (en) * | 2019-06-24 | 2019-10-29 | 东莞职业技术学院 | A kind of environmentally friendly paper of good water-proof effect |
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| CN101195978B (en) * | 2008-01-04 | 2010-06-02 | 广西明阳生化科技股份有限公司 | Multicomponent modified starch for papermaking and producing method thereof |
| CA2745303A1 (en) * | 2008-12-03 | 2010-06-10 | Ecosynthetix Inc. | Process for producing biopolymer nanoparticle biolatex compositions having enhanced performance and compositions based thereon |
| CN101892022A (en) * | 2010-07-09 | 2010-11-24 | 贵州外贸神彩包装有限责任公司 | Starch adhesive for producing corrugated board and preparation method thereof |
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