CN107652916A - A kind of antibacterial corrugated board mineral rubber and preparation method thereof - Google Patents
A kind of antibacterial corrugated board mineral rubber and preparation method thereof Download PDFInfo
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- CN107652916A CN107652916A CN201710950021.3A CN201710950021A CN107652916A CN 107652916 A CN107652916 A CN 107652916A CN 201710950021 A CN201710950021 A CN 201710950021A CN 107652916 A CN107652916 A CN 107652916A
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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
- C09J103/02—Starch; Degradation products thereof, e.g. dextrin
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention discloses a kind of antibacterial corrugated board mineral rubber and preparation method thereof, the mineral rubber includes mineral powder, starch slurry and nano assistant;The mineral powder includes the raw material of following parts by weight:10 24 parts of kaolin, 5 18 parts of tourmaline powder, 28 parts of sepiolite powder, 37 parts of bentonite, 37 parts of oyster shell whiting, 25 parts of flake asbestos;The starch slurry is starched for Chinese yam starch, and the Chinese yam starch slurry includes the raw material of following percentage by weight:Chinese yam starch 45 60%, sodium carbonate 1 4%, alum 1 2.5%, Glucomannan 2 6%, and water surplus;The nano assistant includes the raw material of following parts by weight:13 parts of 12 parts of zinc oxide, 26 parts of magnesium carbonate and aluminum oxide.The corrugated board mineral rubber of the present invention has significant antibacterial bacteriostatic performance, while can greatly increase the bonding force of corrugated board;Preparation technology is simple, and production cost is low.
Description
Technical field
The present invention relates to a kind of corrugated board mineral rubber, specifically a kind of antibacterial corrugated board mineral rubber and its preparation side
Method.
Background technology
Corrugated board(corrugated board), also known as corrugated cardboard.By at least one layer of corrugated paper and one layer of boxboard
(Also it is boxboard)It is bonded, there is preferably elasticity and extensibility.Mainly for the manufacture of carton, carton it is sandwich and easy
Other packaging materials of broken commodity.With local method straw pulp and waste paper through mashing, the base board of similar manila board is made, then be machined
Make to roll into corrugated, be then bonded on its surface with adhesive and boxboard.
Mostly corrugated plate and cardboard are bonded using all kinds of starch adhesives on existing corrugated paper board production line.So
And starch itself is not soluble in water, as temperature raises volumetric expansion can occur for starch in water, and expansion is then broken to a certain extent
Split, with water-soluble into pasty state, turn into sticky liquid.During board pasted, the surface in corrugation summit and flat paperboard is permeated
In micropore, the physical mechanical bonding force with certain cross-linked network is formed after moisture evaporation.But this simple cementing agent
In hydrone can constantly be permeated to cardboard inside, the gradation of moisture is formed in corrugation so that whole corrugated board makes moist rapidly
Soften, cause the intensity of corrugated board to decline.By the corrugated board that this cementing agent is prepared because intensity is weaker, therefore meeting
The number of plies that the corrugated case for causing to be combined into stacks when carrying out goods storage or transport as container is not high, low space utilization.
Moreover, in the more severe transportation of environment, such as during long sea voyage, because the humidity at sea is bigger, carton is very
Easily make moist, after carton, which absorbs moisture, to be reached to a certain degree, its intensity can great decline, even junk.In addition, with
The development of modern transportation industry, corrugated case freight is also more and more diversified.Such as fresh vegetables, melon and fruit, flowers etc..
Usually mouldy rotten, freshness substantially reduces these goods in prolonged transportation.
Chinese invention patent application number 201510252742.8 disclose a kind of corrugated board mineral rubber, preparation method and its
Using the mineral rubber includes mineral powder and starch slurry, and the quality of the mineral powder accounts for the 5%-30% of the starch slurry quality;
In parts by weight, the mineral powder includes:Charcoal 0.7-2.5 parts, loess 1.3-3 parts, diatomite 1.7-3 parts, jade powder 0.5-
1.5 parts, wheat flag 1.2-2.4 parts and zeolite 85-95 parts.Preparation method includes:By charcoal, loess, diatomite, jade powder and wheat
Flag is ground into powder;Zeolite crushes at 500-550 DEG C, and zeolite powder is made;The zeolite powder is mixed with the powder
It is even, mineral powder is prepared;Miberal powder thing is well mixed with starch slurry afterwards;The mineral rubber can greatly enhance the strong of corrugated board
Degree, adjusting humidity, suitable for the larger environment of humidity, can adsorb the gases such as pernicious gas and ethene, along with antibacterial
Antibacterial action, fresh keeping time can be extended.But it still has following shortcoming:1)Its prepare corrugated board bond properties with
And anti-microbial property stills need further to improve;2)Contain zeolite in formula, zeolite is needing to crush at 500-550 DEG C, technique
Condition is higher.Therefore, the present invention provides a kind of antibacterial corrugated board mineral rubber and preparation method thereof.
The content of the invention
It is an object of the invention to provide a kind of antibacterial corrugated board mineral rubber and preparation method thereof, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of antibacterial corrugated board mineral rubber, the mineral rubber include mineral powder, starch slurry and nano assistant, the mineral powder
The mass ratio of quality, the quality of starch slurry and nano assistant is 1:(5-8):(0.3-0.8);
The mineral powder includes the raw material of following parts by weight:Kaolin 10-24 parts, tourmaline powder 5-18 parts, sepiolite powder 2-8
Part, bentonite 3-7 parts, oyster shell whiting 3-7 parts, flake asbestos 2-5 parts;
The starch slurry is starched for Chinese yam starch, and the Chinese yam starch slurry includes the raw material of following percentage by weight:Chinese yam starch 45-
60%th, sodium carbonate 1-4%, alum 1-2.5%, Glucomannan 2-6%, and water surplus;
The nano assistant includes the raw material of following parts by weight:Zinc oxide 1-2 parts, magnesium carbonate 2-6 parts and aluminum oxide 1-3 parts.
As the further scheme of the present invention:The quality of the quality of the mineral powder, the quality of starch slurry and nano assistant
Than for 1:6.4:0.5;
As the further scheme of the present invention:The mineral powder includes the raw material of following parts by weight:18 parts of kaolin, tourmaline
16 parts of powder, 6 parts of sepiolite powder, 5 parts of bentonite, 5 parts of oyster shell whiting, 3 parts of flake asbestos.
As the further scheme of the present invention:The starch slurry is starched for Chinese yam starch, and the Chinese yam starch slurry includes following
The raw material of percentage by weight:Chinese yam starch 52%, sodium carbonate 2.7%, alum 1.8%, Glucomannan 4.5%, and water surplus.
As the further scheme of the present invention:The nano assistant includes the raw material of following parts by weight:Zinc oxide 1.2
2 parts of part, 4 parts of magnesium carbonate and aluminum oxide.
A kind of preparation method of antibacterial corrugated board mineral rubber, comprises the following steps:
(1)Kaolin, tourmaline powder, sepiolite powder, bentonite, oyster shell whiting and flake asbestos are ground into powder, mistake through pulverizer
60-100 mesh is sieved, obtains mineral powder;
(2)Above-mentioned mineral powder is mixed with zinc oxide, magnesium carbonate and aluminum oxide, 15-30min is calcined at 125-150 DEG C, obtains
Mixture A;
(3)Take out mixture A and be cooled to room temperature, grind into powder, sieve 200-300 mesh, produces mix powder;
(4)Prepare starch slurry:Chinese yam starch, sodium carbonate, alum and water are mixed into 5-12min, it is sweet to add Portugal while stirring
Glycan, mixing speed are that 120-150 turns/min, produce Chinese yam starch slurry;
(5)Said mixture powder is put into starch slurry, 5-20min is stirred at 55-78 DEG C, after standing 5-10min, after
Continuous stirring 3-8min, gets product.
As the further scheme of the present invention:Step(2)Above-mentioned mineral powder and zinc oxide, magnesium carbonate and aluminum oxide are mixed
Close, calcine 22min at 145 DEG C, obtain mixture A.
As the further scheme of the present invention:Step(4)Prepare starch slurry:Chinese yam starch, sodium carbonate, alum and water are mixed
Stirring 8min is closed, adds Glucomannan while stirring, mixing speed is 135 turns/min, produces Chinese yam starch slurry.
As the further scheme of the present invention:Step(5)Said mixture powder is put into starch slurry, stirred at 62 DEG C
11min is mixed, after standing 6min, continues to stir 5min, gets product.
Compared with prior art, the beneficial effects of the invention are as follows:
The corrugated board mineral rubber of the present invention has significant antibacterial bacteriostatic performance, can adsorb pernicious gas, can significantly reduce
The degree that rots of fresh vegetables, melon and fruit and the flowers deposited in corrugated case;Corrugated board glue provided by the invention can be big
The bonding force of big increase corrugated board;Preparation technology is simple, and process conditions are low, is advantageous to industrialized production, and raw material is easy to get, and reduces
Production cost, has a preferable economic value.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Embodiment 1
A kind of antibacterial corrugated board mineral rubber, the mineral rubber include mineral powder, starch slurry and nano assistant, the mineral powder
The mass ratio of quality, the quality of starch slurry and nano assistant is 1:5:0.3;
The mineral powder includes the raw material of following parts by weight:10 parts of kaolin, 5 parts of tourmaline powder, 2 parts of sepiolite powder, swelling
3 parts of soil, 3 parts of oyster shell whiting, 2 parts of flake asbestos;
The starch slurry is starched for Chinese yam starch, and the Chinese yam starch slurry includes the raw material of following percentage by weight:Chinese yam starch
45%th, sodium carbonate 1%, alum 1%, Glucomannan 2%, and water surplus;
The nano assistant includes the raw material of following parts by weight:1 part of 1 part of zinc oxide, 2 parts of magnesium carbonate and aluminum oxide.
A kind of preparation method of antibacterial corrugated board mineral rubber, comprises the following steps:
(1)Kaolin, tourmaline powder, sepiolite powder, bentonite, oyster shell whiting and flake asbestos are ground into powder, mistake through pulverizer
60 mesh are sieved, obtain mineral powder;
(2)Above-mentioned mineral powder is mixed with zinc oxide, magnesium carbonate and aluminum oxide, 15min is calcined at 125 DEG C, obtains mixture
A;
(3)Take out mixture A and be cooled to room temperature, grind into powder, sieve 200 mesh, produces mix powder;
(4)Prepare starch slurry:Chinese yam starch, sodium carbonate, alum and water are mixed into 5min, it is sweet poly- to add Portugal while stirring
Sugar, mixing speed are 120 turns/min, produce Chinese yam starch slurry;
(5)Said mixture powder is put into starch slurry, 5min is stirred at 55 DEG C, after standing 5min, continues to stir
3min, get product.
Embodiment 2
A kind of antibacterial corrugated board mineral rubber, the mineral rubber include mineral powder, starch slurry and nano assistant, the mineral powder
The mass ratio of quality, the quality of starch slurry and nano assistant is 1:8:0.8;
The mineral powder includes the raw material of following parts by weight:24 parts of kaolin, 18 parts of tourmaline powder, 8 parts of sepiolite powder, swelling
7 parts of soil, 7 parts of oyster shell whiting, 5 parts of flake asbestos;
The starch slurry is starched for Chinese yam starch, and the Chinese yam starch slurry includes the raw material of following percentage by weight:Chinese yam starch
60%th, sodium carbonate 4%, alum 2.5%, Glucomannan 6%, and water surplus;
The nano assistant includes the raw material of following parts by weight:3 parts of 2 parts of zinc oxide, 6 parts of magnesium carbonate and aluminum oxide.
A kind of preparation method of antibacterial corrugated board mineral rubber, comprises the following steps:
(1)Kaolin, tourmaline powder, sepiolite powder, bentonite, oyster shell whiting and flake asbestos are ground into powder, mistake through pulverizer
100 mesh are sieved, obtain mineral powder;
(2)Above-mentioned mineral powder is mixed with zinc oxide, magnesium carbonate and aluminum oxide, 30min is calcined at 150 DEG C, obtains mixture
A;
(3)Take out mixture A and be cooled to room temperature, grind into powder, sieve 300 mesh, produces mix powder;
(4)Prepare starch slurry:Chinese yam starch, sodium carbonate, alum and water are mixed into 12min, it is sweet poly- to add Portugal while stirring
Sugar, mixing speed are 150 turns/min, produce Chinese yam starch slurry;
(5)Said mixture powder is put into starch slurry, 20min is stirred at 78 DEG C, after standing 10min, continues to stir
8min, get product.
Embodiment 3
A kind of antibacterial corrugated board mineral rubber, the mineral rubber include mineral powder, starch slurry and nano assistant, the mineral powder
The mass ratio of quality, the quality of starch slurry and nano assistant is 1:6.4:0.5;
The mineral powder includes the raw material of following parts by weight:18 parts of kaolin, 16 parts of tourmaline powder, 6 parts of sepiolite powder, swelling
5 parts of soil, 5 parts of oyster shell whiting, 3 parts of flake asbestos;
The starch slurry is starched for Chinese yam starch, and the Chinese yam starch slurry includes the raw material of following percentage by weight:Chinese yam starch
52%th, sodium carbonate 2.7%, alum 1.8%, Glucomannan 4.5%, and water surplus;
The nano assistant includes the raw material of following parts by weight:2 parts of 1.2 parts of zinc oxide, 4 parts of magnesium carbonate and aluminum oxide.
A kind of preparation method of antibacterial corrugated board mineral rubber, comprises the following steps:
(1)Kaolin, tourmaline powder, sepiolite powder, bentonite, oyster shell whiting and flake asbestos are ground into powder, mistake through pulverizer
80 mesh are sieved, obtain mineral powder;
(2)Above-mentioned mineral powder is mixed with zinc oxide, magnesium carbonate and aluminum oxide, 22min is calcined at 145 DEG C, obtains mixture
A;
(3)Take out mixture A and be cooled to room temperature, grind into powder, sieve 250 mesh, produces mix powder;
(4)Prepare starch slurry:Chinese yam starch, sodium carbonate, alum and water are mixed into 8min, it is sweet poly- to add Portugal while stirring
Sugar, mixing speed are 135 turns/min, produce Chinese yam starch slurry;
(5)Said mixture powder is put into starch slurry, 11min is stirred at 62 DEG C, after standing 6min, continues to stir
5min, get product.
Experimental example 1
Fresh-keeping effect contrast test:
The corrugated board mineral rubber that 1-3 of the embodiment of the present invention is provided is applied in corrugated paper board production line, to prepare corrugation
Cardboard, the application method of mineral rubber and the production of corrugated board are conventional method.The corrugated paper prepared using embodiment 1-3
Plate is combined into the corrugated case of same specification, is respectively labeled as A, B and C;Control group is the corrugated board prepared using conventional method
The corrugated case for the same specification being combined into;
A, the Dangshan pear that same batch is won is respectively charged into B, C and control group, while sealing installs, in normal temperature(23-28
℃)Preserved in the environment of normal pressure;
Opened carton after 15 days, in A, B and C, pear is all kept fresh in A, B and C.78% pear has been in control group
Rot, there is sharp aroma.
Experimental example 2
Resistance to compression Piglet s colibacillosis:
Continue to use carton A, B, C used in experimental example one and control group to carry out resistance to compression effect test, be respectively charged into same
The Dangshan pear that batch is won is put into three experiment cartons and control carton, is 10kg per case specification.
A, B, C and control group are stacked respectively, when control group is stacked to the 4th layer, orlop carton starts to deform;And A,
B, C can stack to 11th layer and it is indeformable;
Corrugated fibre box its intensity that corrugated board mineral rubber provided by the present invention is prepared it can be seen from the above results
Significantly increase, anti-pressure ability greatly improves.
Experimental example 3
Bonding force Piglet s colibacillosis:
Continue to use carton A, B, C used in experimental example one and control group to carry out bonding force Piglet s colibacillosis.
Give A, B, C and control group equidirectional, the shearing force of formed objects.Observe the different lacerable crack length of carton
Degree.Crack is shorter, illustrates more to be difficult to tear, i.e., bonding force is stronger.
From result, the tear distance of control group is calculated as 7-13 times of A, B, C, and the bond properties of corrugated board is significantly
Enhancing.
The corrugated board mineral rubber of the present invention has significant antibacterial bacteriostatic performance, can adsorb pernicious gas, can be notable
Reduce the degree that rots of fresh vegetables, melon and fruit and the flowers deposited in corrugated case;Corrugated board glue provided by the invention
The bonding force of corrugated board can be greatly increased;Preparation technology is simple, and process conditions are low, is advantageous to industrialized production, and raw material is easy to get,
Production cost is reduced, there is preferable economic value.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Make a variety of changes.
Claims (9)
1. a kind of antibacterial corrugated board mineral rubber, it is characterised in that the mineral rubber helps including mineral powder, starch slurry and nanometer
Agent, the mass ratio of the quality of the mineral powder, the quality of starch slurry and nano assistant is 1:(5-8):(0.3-0.8);
The mineral powder includes the raw material of following parts by weight:Kaolin 10-24 parts, tourmaline powder 5-18 parts, sepiolite powder 2-8
Part, bentonite 3-7 parts, oyster shell whiting 3-7 parts, flake asbestos 2-5 parts;
The starch slurry is starched for Chinese yam starch, and the Chinese yam starch slurry includes the raw material of following percentage by weight:Chinese yam starch 45-
60%th, sodium carbonate 1-4%, alum 1-2.5%, Glucomannan 2-6%, and water surplus;
The nano assistant includes the raw material of following parts by weight:Zinc oxide 1-2 parts, magnesium carbonate 2-6 parts and aluminum oxide 1-3 parts.
2. antibacterial corrugated board mineral rubber according to claim 1, it is characterised in that the quality of the mineral powder, starch
The quality of slurry and the mass ratio of nano assistant are 1:6.4:0.5.
3. antibacterial corrugated board mineral rubber according to claim 1, it is characterised in that the mineral powder includes following weight
The raw material of number:18 parts of kaolin, 16 parts of tourmaline powder, 6 parts of sepiolite powder, 5 parts of bentonite, 5 parts of oyster shell whiting, 3 parts of flake asbestos.
4. antibacterial corrugated board mineral rubber according to claim 1, it is characterised in that the starch slurry is Chinese yam starch
Slurry, the Chinese yam starch slurry include the raw material of following percentage by weight:Chinese yam starch 52%, sodium carbonate 2.7%, alum 1.8%, Portugal
Sweet glycan 4.5%, and water surplus.
5. antibacterial corrugated board mineral rubber according to claim 1, it is characterised in that the nano assistant includes following heavy
Measure the raw material of number:2 parts of 1.2 parts of zinc oxide, 4 parts of magnesium carbonate and aluminum oxide.
A kind of 6. preparation method of antibacterial corrugated board mineral rubber as described in claim 1-5 is any, it is characterised in that including
Following steps:
(1)Kaolin, tourmaline powder, sepiolite powder, bentonite, oyster shell whiting and flake asbestos are ground into powder, mistake through pulverizer
60-100 mesh is sieved, obtains mineral powder;
(2)Above-mentioned mineral powder is mixed with zinc oxide, magnesium carbonate and aluminum oxide, 15-30min is calcined at 125-150 DEG C, obtains
Mixture A;
(3)Take out mixture A and be cooled to room temperature, grind into powder, sieve 200-300 mesh, produces mix powder;
(4)Prepare starch slurry:Chinese yam starch, sodium carbonate, alum and water are mixed into 5-12min, it is sweet to add Portugal while stirring
Glycan, mixing speed are that 120-150 turns/min, produce Chinese yam starch slurry;
(5)Said mixture powder is put into starch slurry, 5-20min is stirred at 55-78 DEG C, after standing 5-10min, after
Continuous stirring 3-8min, gets product.
7. the preparation method of antibacterial corrugated board mineral rubber according to claim 6, it is characterised in that step(2)Will be upper
State mineral powder to mix with zinc oxide, magnesium carbonate and aluminum oxide, 22min is calcined at 145 DEG C, obtain mixture A.
8. the preparation method of antibacterial corrugated board mineral rubber according to claim 6, it is characterised in that step(4)Prepare
Starch slurry:Chinese yam starch, sodium carbonate, alum and water are mixed into 8min, add Glucomannan while stirring, mixing speed is
135 turns/min, produce Chinese yam starch slurry.
9. the preparation method of antibacterial corrugated board mineral rubber according to claim 6, it is characterised in that step(5)Will be upper
State mix powder to be put into starch slurry, 11min is stirred at 62 DEG C, after standing 6min, continue to stir 5min, produce into
Product.
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CN111763484A (en) * | 2020-07-01 | 2020-10-13 | 北京鉴真保鲜科技有限公司 | Fruit and vegetable fresh-keeping glue and preparation method thereof |
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Cited By (7)
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CN109235130A (en) * | 2018-08-16 | 2019-01-18 | 温州崇奥礼品有限公司 | A kind of wrapping paper of good anti-bacterial effect and preparation method thereof |
CN111763484A (en) * | 2020-07-01 | 2020-10-13 | 北京鉴真保鲜科技有限公司 | Fruit and vegetable fresh-keeping glue and preparation method thereof |
CN111808549A (en) * | 2020-07-01 | 2020-10-23 | 北京鉴真保鲜科技有限公司 | Additive for corrugated paper glue and preparation method thereof |
CN111808549B (en) * | 2020-07-01 | 2022-01-07 | 北京鉴真保鲜科技有限公司 | Additive for corrugated paper glue and preparation method thereof |
CN112006095A (en) * | 2020-09-14 | 2020-12-01 | 北京鉴真保鲜科技有限公司 | Preparation method of fruit and vegetable bacteriostatic preservative glue |
CN112042736A (en) * | 2020-09-14 | 2020-12-08 | 北京鉴真保鲜科技有限公司 | Fruit and vegetable bacteriostatic fresh-keeping method and fresh-keeping box |
CN112962346A (en) * | 2021-02-05 | 2021-06-15 | 厦门稀土材料研究所 | Rare earth functional filler for corrugated paper adhesive and preparation method thereof |
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