CN108546527A - A kind of glutinous rice flour adhesive and preparation method thereof - Google Patents
A kind of glutinous rice flour adhesive and preparation method thereof Download PDFInfo
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- CN108546527A CN108546527A CN201810379654.8A CN201810379654A CN108546527A CN 108546527 A CN108546527 A CN 108546527A CN 201810379654 A CN201810379654 A CN 201810379654A CN 108546527 A CN108546527 A CN 108546527A
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- rice flour
- glutinous rice
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- adhesive
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/04—Starch derivatives
- C09J103/10—Oxidised starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/18—Oxidised starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H1/00—Macromolecular products derived from proteins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a kind of glutinous rice flour adhesives and preparation method thereof, it is related to glutinous rice flour adhesive technical field, the glutinous rice flour adhesive is to aoxidize glutinous rice flour lotion, the soybean protein of sided corona treatment, montmorillonite and kaolin are raw material, citric acid treatment glutinous rice flour is assisted by impulse electric field respectively, sided corona treatment soybean protein, then corona soybean protein is added in oxidation glutinous rice flour, and montmorillonite and kaolin are added through ultrasonic mixing and emulsifying, glutinous rice flour adhesive is prepared, the method that the present invention prepares glutinous rice flour adhesive avoids the use of a large amount of chemical reagent, and the glutinous rice flour adhesive prepared has good water resistance and bonding strength, it can be used as based Wood Adhesives use.
Description
Technical field
The invention belongs to adhesive technical fields, are related to glutinous rice flour adhesive technical field, and in particular to a kind of glutinous rice flour
Adhesive and preparation method thereof.
Background technology
As conglomerate general character product and technology, the completely new society of the adhesives performance such as nontoxic, environmental-friendly, degradable
It can demand so that using natural biomass materials as raw material, obtain various environment compatibility height, low manufacture cost, economical and practical
Green adhesive product and technology become current adhesive field research hotspot.Starch have derive from a wealth of sources, be cheap, can
The advantages that regenerating, is degradable, is one of the natural glue for most having potentiality to be exploited.But starch-base adhesive is using process
In there are many deficiencies, such as wet bonding strength is relatively low, poor water resistance.Starch emulsion there are unstable, poor fluidity, easy retrogradation,
Poor storage stability, easy the problems such as going mouldy.
In the method for modifying of starch, oxidation is the common method in converted starch production process.To oxidized starch glue
Glutinous agent carries out cross-linking modified again, can expand the application field of oxidized starch.The advantages of oxidized starch, mainly has：In starch molecule
Methylol can be oxidized to aldehyde radical and carboxyl, wherein aldehydes have mould proof and antisepsis, and carboxyl be easier and fiber
It interacts, therefore the stability, permeability and cementability of adhesive can be increased.Oxidation can also reduce starch
Hydroxyl quantity in molecule, hence it is evident that improve the stability of adhesive.Starch carries out compounding with environmentally protective protein and prepares glue
Agent is sticked, and the important directions studied at present, as Chinese patent publication No. CN 105567117A disclose one kind by soybean
Adhesive prepared by albumen and glutinous rice starch, cohesive force reach 60-70kPa, but the prior art is to the pre- of starch and soybean protein
Processing mostly uses solvent greatly or polymer is modified, and does not meet the theory of Green Development.
Invention content
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to propose a kind of glutinous rice flour adhesive
And preparation method thereof, in order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of preparation method of glutinous rice flour adhesive, is as follows：
1) glutinous rice flour pre-processes：Glutinous rice flour is dissolved in citric acid solution, after being uniformly mixed, electrolyte adjustment is added
The conductivity of mixed liquor is 10-15mS/cm must aoxidize glutinous rice flour lotion by the mixed liquor after adjusting through pulse electric field treatment；
2) modification of soybean protein；Soybean protein is subjected to sided corona treatment 1-2min using corona mode；
3) prepared by adhesive：Corona soybean protein is added in oxidation glutinous rice flour lotion, ultrasonic mixing 3-5min, then
Montmorillonite and kaolin is added, emulsifying handles 10-15min, obtains glutinous rice flour adhesive.
Preferably, the grain size of the glutinous rice flour is 400-600 mesh, is prepared using wet ball grinding.
Preferably, the solvent of the wet ball grinding is 25-35 DEG C of temperature, the acetic acid solution of concentration 3-10%, rotational speed of ball-mill
Acetic acid solution for 1000-3000r/min, heating is conducive to the softening of glutinous rice, saves preparation time.
Preferably, in the glutinous rice flour lotion glutinous rice flour with the solid-liquid ratio of citric acid be 1:8-15.
Preferably, the impulse wave of the impulse electric field is bipolar square wave, frequency 1-1.5kHz, and pulsewidth is 35-45 μ s, two
The distance of pole plate is 0.25-0.5cm, and impulse electric field can destroy the crystalline texture of starch granules, and starch granules outer layer is made to rupture, branch
The fracture of chain starch is precipitated, and to increase the surface area of starch granules, increases the contact surface and its depth of foreign substance and starch granules
Enter the probability to react inside particle.
Preferably, voltage 300-600V, frequency 2-8kHz, high intensity electron stream bang the surface of soybean protein
It hits, destroys the molecule link of soybean protein, change protein structure, internal active group is promoted to expose, and with easy to operate, at
This low advantage.
Preferably, the pressure of the emulsifying is 3-8MPa.
Preferably, the glutinous rice flour adhesive includes following parts by weight ingredient：100 parts of glutinous rice flour lotion is aoxidized, corona is big
30-40 parts of legumin, 3-8 parts of montmorillonite, 1-5 parts of kaolin.
Preferably, the glutinous rice flour adhesive includes following parts by weight ingredient：100 parts of glutinous rice flour lotion is aoxidized, corona is big
35 parts of legumin, 5.5 parts of montmorillonite, 2.5 parts of kaolin..
Compared with prior art, beneficial effects of the present invention：
1. the present invention carries out the pretreatment of glutinous rice flour using impulse electric field, impulse electric field can destroy the crystallization knot of starch granules
Structure makes starch granules outer layer rupture, and amylopectin fracture is precipitated, and to increase the surface area of starch granules, increases foreign substance
With the contact surface of starch granules and its go deep into the probability to react inside particle, be conducive to the preparation of follow-up adhesive, improve
It is crosslinked probability with the active group of soybean protein, forms stable adhesive.
2. the present invention is using corona mode to soybean protein processing, high intensity electron stream bangs the surface of soybean protein
It hits, destroys the molecule link of soybean protein, change protein structure, internal active group is promoted to expose, and with easy to operate, at
This low advantage avoids the use of chemical reagent, improves modified effect.
3. the preparation method of the present invention is simple, easy to operate, the use of a large amount of chemical reagent is avoided, is had environmentally protective
Advantage.
Specific implementation mode
It below by the description to embodiment, is described in further detail, to help those skilled in the art to this hair
Bright inventive concept, technical solution have more complete, accurate and deep understanding.
Embodiment 1
Glutinous rice flour adhesive includes following parts by weight ingredient in the present embodiment：Aoxidize 100 parts of glutinous rice flour lotion, corona soybean
35 parts of albumen, 5.5 parts of montmorillonite, 2.5 parts of kaolin.
The preparation method of the present embodiment glutinous rice flour adhesive, is as follows：
1) glutinous rice flour pre-processes：Glutinous rice is added to 30 DEG C of temperature, the acetic acid solution of concentration 7%, after impregnating 3h, by feed liquid
It is added in ball mill together, ball milling is carried out at rotating speed 2000r/min, ball milling liquid is then filtered 500 mesh sieve, is obtained
After filtrate stands storage 4h at 4 DEG C of temperature, upper layer clear water is removed, sediment is dried in vacuo under temperature 60 C, obtains glutinous rice flour,
Then glutinous rice flour is dissolved in citric acid solution, solid-liquid ratio 1:9, after being uniformly mixed, it is mixed that the adjustment of NaCl electrolyte is added
The conductivity for closing liquid is 12mS/cm, and the mixed liquor after adjusting is pumped into impulse electric field with the flow velocity of 50mL/min using peristaltic pump,
It is handled through row impulse electric field, it is bipolar square wave that the processing parameter setting of impulse electric field, which is impulse wave, frequency 1.3kHz, and pulsewidth is
The distance of 40 μ s, two-plate are 0.3cm, and glutinous rice flour lotion must be aoxidized after processing；
2) modification of soybean protein；Soybean protein is placed in the buffer bin of low pressure corona machine, the voltage of corona machine is
500V, frequency 6kHz carry out sided corona treatment 2min to soybean protein；
3) prepared by adhesive：35 portions of corona soybean proteins are added in 100 parts of oxidation glutinous rice flour lotions, in power
Then 5.5 parts of montmorillonites and 2.5 parts of kaolin are added in ultrasonic mixing 3min under 200w, frequency 30Hz, after being uniformly mixed,
Emulsifying handles 15min at pressure 10Mpa, obtains glutinous rice flour adhesive.
Embodiment 2
The present embodiment is with embodiment 1, the difference is that glutinous rice flour adhesive includes following parts by weight ingredient in the present embodiment：Oxygen
Change 100 parts of glutinous rice flour lotion, 30 parts of corona soybean protein, 3 parts of montmorillonite, 1 part of kaolin；Impulse electric field, frequency 1kHz, arteries and veins
Width is 35 μ s, and the distance of two-plate is 0.25cm.
Embodiment 3
The present embodiment is with embodiment 1, the difference is that glutinous rice flour adhesive includes following parts by weight ingredient in the present embodiment：Oxygen
Change 100 parts of glutinous rice flour lotion, 40 parts of corona soybean protein, 8 parts of montmorillonite, 5 parts of kaolin；Impulse electric field, frequency 1.5kHz,
Pulsewidth is 45 μ s, and the distance of two-plate is 0.5cm, and the output voltage of corona is 600V, frequency 8kHz.
Embodiment 4
The present embodiment is with embodiment 2, the difference is that impulse electric field in the present embodiment, frequency 1.5kHz, pulsewidth are 45 μ s,
The distance of two-plate is 0.5cm, and the output voltage of corona is 600V, frequency 8kHz.
Embodiment 5
The present embodiment is with embodiment 3, the difference is that impulse electric field in the present embodiment, frequency 1.5kHz, pulsewidth are 45 μ s,
The distance of two-plate is 0.5cm, and the output voltage of corona is 600V, frequency 8kHz.
The present invention is exemplarily described above in conjunction with specific embodiment, it is clear that the present invention implements not by upper
The limitation of mode is stated, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or
It is not improved by the present invention design and technical solution directly apply to other occasions, protection scope of the present invention it
It is interior.Protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (9)
1. a kind of preparation method of glutinous rice flour adhesive, which is characterized in that be as follows：
1) glutinous rice flour pre-processes：Glutinous rice flour is dissolved in citric acid solution, after being uniformly mixed, electrolyte adjustment mixing is added
The conductivity of liquid is 10-15mS/cm must aoxidize glutinous rice flour lotion by the mixed liquor after adjusting through pulse electric field treatment；
2) modification of soybean protein；Soybean protein is subjected to sided corona treatment 1-2min using corona mode；
3) prepared by adhesive：Corona soybean protein is added in oxidation glutinous rice flour lotion, then ultrasonic mixing 3-5min is added
Montmorillonite and kaolin, emulsifying handle 10-15min, obtain glutinous rice flour adhesive.
2. the preparation method of glutinous rice flour adhesive according to claim 1, which is characterized in that the grain size of the glutinous rice flour is
400-600 mesh, is prepared using wet ball grinding.
3. the preparation method of glutinous rice flour adhesive according to claim 2, which is characterized in that the solvent of the wet ball grinding
For 25-35 DEG C of temperature, the acetic acid solution of concentration 3-10%, rotational speed of ball-mill 1000-3000r/min.
4. the preparation method of glutinous rice flour adhesive according to claim 1, which is characterized in that glutinous in the glutinous rice flour lotion
Rice flour is with the solid-liquid ratio of citric acid for 1:8-15.
5. the preparation method of glutinous rice flour adhesive according to claim 1, which is characterized in that the pulse of the impulse electric field
Wave is bipolar square wave, and frequency 1-1.5kHz, pulsewidth is 35-45 μ s, and the distance of two-plate is 0.25-0.5cm.
6. the preparation method of glutinous rice flour adhesive according to claim 1, which is characterized in that the condition of the corona is defeated
It is 300-600V, frequency 2-8kHz to go out voltage.
7. the preparation method of glutinous rice flour adhesive according to claim 1, which is characterized in that the pressure of the emulsifying
For 3-8MPa.
8. the preparation method of glutinous rice flour adhesive according to claim 1, which is characterized in that the glutinous rice flour adhesive packet
Containing following parts by weight ingredient：Aoxidize 100 parts of glutinous rice flour lotion, 30-40 parts of corona soybean protein, 3-8 parts of montmorillonite, kaolin 1-
5 parts.
9. the preparation method of glutinous rice flour adhesive according to claim 1, which is characterized in that the glutinous rice flour adhesive packet
Containing following parts by weight ingredient：Aoxidize 100 parts of glutinous rice flour lotion, 35 parts of corona soybean protein, 5.5 parts of montmorillonite, kaolin 2.5
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379654.8A CN108546527A (en) | 2018-04-25 | 2018-04-25 | A kind of glutinous rice flour adhesive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379654.8A CN108546527A (en) | 2018-04-25 | 2018-04-25 | A kind of glutinous rice flour adhesive and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108546527A true CN108546527A (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810379654.8A Pending CN108546527A (en) | 2018-04-25 | 2018-04-25 | A kind of glutinous rice flour adhesive and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262585A (en) * | 2021-12-28 | 2022-04-01 | 上海欣旺优能材料股份有限公司 | Plant-source mildew-proof wallpaper adhesive and preparation method thereof |
| CN114632591A (en) * | 2022-03-17 | 2022-06-17 | 安徽天利粮油集团股份有限公司 | Low-bacteria low-GI (glycemic index) water-milled glutinous rice flour milling device and production process thereof |
Citations (2)
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|---|---|---|---|---|
| CN105368346A (en) * | 2015-11-30 | 2016-03-02 | 广德县常丰竹木业制品有限公司 | Environment-friendly adhesive for bamboo and wood processing |
| CN105567117A (en) * | 2015-12-31 | 2016-05-11 | 南星家居科技(湖州)有限公司 | Soybean protein and edible glutinous rice starch floor glue and preparation method thereof |
-
2018
- 2018-04-25 CN CN201810379654.8A patent/CN108546527A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368346A (en) * | 2015-11-30 | 2016-03-02 | 广德县常丰竹木业制品有限公司 | Environment-friendly adhesive for bamboo and wood processing |
| CN105567117A (en) * | 2015-12-31 | 2016-05-11 | 南星家居科技(湖州)有限公司 | Soybean protein and edible glutinous rice starch floor glue and preparation method thereof |
Non-Patent Citations (2)
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| 于守武等: "《高分子材料改性——原理及技术》", 31 May 2015, 知识产权出版社 * |
| 徐颖惠: "《化学研究与教学点滴》", 31 December 2006, 长江出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262585A (en) * | 2021-12-28 | 2022-04-01 | 上海欣旺优能材料股份有限公司 | Plant-source mildew-proof wallpaper adhesive and preparation method thereof |
| CN114262585B (en) * | 2021-12-28 | 2023-09-29 | 上海欣旺优能材料股份有限公司 | Plant-source mildew-proof wallpaper adhesive and preparation method thereof |
| CN114632591A (en) * | 2022-03-17 | 2022-06-17 | 安徽天利粮油集团股份有限公司 | Low-bacteria low-GI (glycemic index) water-milled glutinous rice flour milling device and production process thereof |
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Application publication date: 20180918 |