CN108584147A - A kind of preparation method of environment-friendly type composite buffering packaging material - Google Patents
A kind of preparation method of environment-friendly type composite buffering packaging material Download PDFInfo
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- CN108584147A CN108584147A CN201810400083.1A CN201810400083A CN108584147A CN 108584147 A CN108584147 A CN 108584147A CN 201810400083 A CN201810400083 A CN 201810400083A CN 108584147 A CN108584147 A CN 108584147A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
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- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/06—Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
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Abstract
The present invention provides a kind of preparation methods of environment-friendly type composite buffering packaging material, include the following steps：(1) castor bean meal is sieved, takes part that petroleum ether is added, agitation and filtration discards filtrate；(2) sodium hydroxide solution, heating stirring is added；(3) it centrifuges, takes supernatant；(4) it is 4.5 that hydrochloric acid to pH value, which is added, stirring；(5) it centrifuges, takes precipitation, it is dry, obtain ingredient A；(6) step (3) lower part washing of precipitate takes half to neutrality, and distilled water is added, and mashing obtains ingredient B；(7) Chinese honey locust decladding is taken, is beaten after being soaked in water；(8) petroleum ether is added, is filtered after stirring, discards filtrate；(9) it is transferred in grinder and grinds；(10) it is spray-dried；(11) ingredient A, ingredient B, antibacterial peptide and celestial grass polysaccharide is added, stirs evenly；(12) vacuum freeze drying to obtain the final product.Packaging material prepared by this method has good mechanical property and cushion performance, while antibiotic property effect is good.
Description
Technical field
The present invention relates to a kind of preparation methods of environment-friendly type composite buffering packaging material.
Background technology
Since 20th century, expanded polystyrene (EPS) amortizing packaging material is widely used as the buffering package of electronic product, still
Expanded polystyrene (EPS) stable chemical performance using after discarded under field conditions (factors) in 200 years will not natural degradation, it is tight to cause
" white pollution " of weight needs to expend great amount of cost if recycling expanded polystyrene (EPS) is degraded.Meanwhile it is traditional slow
The preparation method for rushing packaging material includes mainly extrusion, cast, injection, molding, blowing etc..The buffering prepared with these methods
Packaging material, process are substantially all that foaming agent is first poured in liquid monomer or pyrolytic polymer, and bubble will grow up and stablize, so
Make its integrally curing by being crosslinked or cooling down afterwards.The amortizing packaging material prepared using these methods is required for that foaming agent is added,
Foaming agent used at present mainly has：Sodium bicarbonate, urea, azodicarbonamide, toluene sulfonyl hydrazide etc., most of foaming agent exist
In production process and in the processing procedure after serious pollution can be caused to environment.Therefore, a kind of biomass is developed
And the amortizing packaging material of foaming agent is not needed, to substitute now widely used padded coaming, to environmental protection and sustainable
Development will have very important realistic meaning.
Invention content
Technical problems to be solved：The object of the present invention is to provide a kind of preparation sides of environment-friendly type composite buffering packaging material
Method, prepared packaging material has good mechanical property and cushion performance, while antibiotic property effect is good.
Technical solution：A kind of preparation method of environment-friendly type composite buffering packaging material, ingredient are by weight, including following
Step：
(1) castor bean meal is crossed into 60 mesh sieve, takes 72-90 parts of petroleum ethers of 12-15 parts of additions, is filtered after stirring 2-4h, discard filtrate；
(2) sodium hydroxide solution of 200-300 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2-2.5h；
(3) 5-7min is centrifuged in the case where rotating speed is 9000-10000rpm, takes supernatant；
(4) it is 4.5 that 10% hydrochloric acid to pH value, which is added, stirs 1-2h；
(5) 5-7min is centrifuged in the case where rotating speed is 9000-10000rpm, takes precipitation, in 50 DEG C of dry 12h, obtains ingredient A；
(6) step (3) lower part washing of precipitate takes half to neutrality, and 4-5 times of weight distilled water is added, and is beaten 10-15min, obtains into
Divide B；
(7) 40-60 parts of Chinese honey locust decladdings are taken, 10-15min is beaten after being soaked in water；
(8) 80-100 parts of petroleum ethers are added, is filtered after stirring 2-4h, discards filtrate；
(9) it is transferred in grinder and grinds 5-8h；
(10) it is spray-dried；
(11) ingredient A, B, 0.2-0.5 parts of antibacterial peptides of ingredient, 1-2 parts of celestial grass polysaccharide are added, stir evenly；
(12) it is transferred in refrigerator, 6-7h is freezed at -80 DEG C after freezing 6-7h at -20 DEG C；
(13) it is put into freeze drier vacuum freeze drying to obtain the final product.
Further, the spray drying condition is：Inlet temperature is 100-110 DEG C, and outlet temperature is 60-70 DEG C, and pressure is
0.08-0.1MPa。
Further, the preparation method of the antibacterial peptide is：
The first step：Deionized water, oscillation mixing is added according to 10 times of ratios of quality of fish filling in 10-20 parts of angler meat gruels；
Second step：Mixed serum pH to 2-2.5 is adjusted with 6mol/L HCl and 6mol/L Na OH, is kept the temperature at 37-40 DEG C
10min；
Third walks：It is added and 1000U enzyme activity units addition pepsin progress enzyme digestion reaction, reaction process is added with every gram of minced fillet
It is middle to adjust pH in 2-2.5 with 6mol/L HCl；
4th step：After enzymolysis, mixed serum heats 10min passivation enzyme deactivations at 95-100 DEG C, then adjusts slurries pH into
Property；
Mixed serum centrifuges 20-25min under 4 DEG C, 7000r/min, discards upper layer oil film and bottom residues, stays intermediate clear liquid；
4th step：It is freeze-dried to obtain the final product.
Advantageous effect：
1. the present invention is effectively avoided using biological material as raw material using the raw material difficult to degrade such as polystyrene, green ring
It protects, recyclability is good.
2. the present invention does not use foaming agent, and uses the method being freeze-dried, effectively avoids most of foaming agent and producing
In the process and in the processing procedure after serious pollution can be caused to environment.
3. there is packaging material of the present invention good mechanical property and cushion performance, elasticity modulus to reach as high as 0.878MPa, bend
Stress and rebound degree highest are taken respectively up to 0.682MPa and 90.28%, while antibiotic property is good, for staphylococcus aureus
Inhibition is fine.
Specific implementation mode
Embodiment 1
A kind of preparation method of environment-friendly type composite buffering packaging material, ingredient by weight, include the following steps：
(1) castor bean meal is crossed into 60 mesh sieve, takes 72 parts of petroleum ethers of 12- parts of additions, is filtered after stirring 2h, discard filtrate；
(2) sodium hydroxide solution of 200 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2h；
(3) 5min is centrifuged in the case where rotating speed is 9000rpm, takes supernatant；
(4) it is 4.5 that 10% hydrochloric acid to pH value, which is added, stirs 1h；
(5) 5min is centrifuged in the case where rotating speed is 9000rpm, takes precipitation, in 50 DEG C of dry 12h, obtains ingredient A；
(6) step (3) lower part washing of precipitate takes half to neutrality, and 4 times of weight distilled water are added, and is beaten 10min, obtains ingredient B；
(7) 40 parts of Chinese honey locust decladdings are taken, 10min is beaten after being soaked in water；
(8) 80 parts of petroleum ethers are added, is filtered after stirring 2h, discards filtrate；
(9) it is transferred in grinder and grinds 5h；
(10) it is spray-dried；
(11) ingredient A, ingredient B, 0.2 part of antibacterial peptide, 1 part of celestial grass polysaccharide is added, stirs evenly；
(12) it is transferred in refrigerator, 6h is freezed at -80 DEG C after freezing 6h at -20 DEG C；
(13) it is put into freeze drier vacuum freeze drying to obtain the final product.
Embodiment 2
A kind of preparation method of environment-friendly type composite buffering packaging material, ingredient by weight, include the following steps：
(1) castor bean meal is crossed into 60 mesh sieve, takes 14 parts of additions, 85 parts of petroleum ethers, is filtered after stirring 3h, discard filtrate；
(2) sodium hydroxide solution of 250 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2.5h；
(3) 6min is centrifuged in the case where rotating speed is 9500rpm, takes supernatant；
(4) it is 4.5 that 10% hydrochloric acid to pH value, which is added, stirs 1.5h；
(5) 6min is centrifuged in the case where rotating speed is 9500rpm, takes precipitation, in 50 DEG C of dry 12h, obtains ingredient A；
(6) step (3) lower part washing of precipitate takes half to neutrality, and 4.5 times of weight distilled water are added, and is beaten 15min, obtains ingredient
B；
(7) 50 parts of Chinese honey locust decladdings are taken, 13min is beaten after being soaked in water；
(8) 90 parts of petroleum ethers are added, is filtered after stirring 3h, discards filtrate；
(9) it is transferred in grinder and grinds 7h；
(10) it is spray-dried；
(11) ingredient A, ingredient B, 0.4 part of antibacterial peptide, 1.5 parts of celestial grass polysaccharide are added, stir evenly；
(12) it is transferred in refrigerator, 6.5h is freezed at -80 DEG C after freezing 6.5h at -20 DEG C；
(13) it is put into freeze drier vacuum freeze drying to obtain the final product.
Embodiment 3
A kind of preparation method of environment-friendly type composite buffering packaging material, ingredient by weight, include the following steps：
(1) castor bean meal is crossed into 60 mesh sieve, takes 15 parts of additions, 90 parts of petroleum ethers, is filtered after stirring 4h, discard filtrate；
(2) sodium hydroxide solution of 300 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2.5h；
(3) 7min is centrifuged in the case where rotating speed is 10000rpm, takes supernatant；
(4) it is 4.5 that 10% hydrochloric acid to pH value, which is added, stirs 2h；
(5) 7min is centrifuged in the case where rotating speed is 10000rpm, takes precipitation, in 50 DEG C of dry 12h, obtains ingredient A；
(6) step (3) lower part washing of precipitate takes half to neutrality, and 5 times of weight distilled water are added, and is beaten 15min, obtains ingredient B；
(7) 60 parts of Chinese honey locust decladdings are taken, 10-15min is beaten after being soaked in water；
(8) 100 parts of petroleum ethers are added, is filtered after stirring 4h, discards filtrate；
(9) it is transferred in grinder and grinds 8h；
(10) it is spray-dried；
(11) ingredient A, ingredient B, 0.5 part of antibacterial peptide, 2 parts of celestial grass polysaccharide are added, stir evenly；
(12) it is transferred in refrigerator, 7h is freezed at -80 DEG C after freezing 7h at -20 DEG C；
(13) it is put into freeze drier vacuum freeze drying to obtain the final product.
Comparative example 1
The present embodiment is with embodiment 1 the difference is that not containing ingredient A, specially：
A kind of preparation method of environment-friendly type composite buffering packaging material, ingredient by weight, include the following steps：
(1) castor bean meal is crossed into 60 mesh sieve, takes 72 parts of petroleum ethers of 12- parts of additions, is filtered after stirring 2h, discard filtrate；
(2) sodium hydroxide solution of 200 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2h；
(3) 5min is centrifuged in the case where rotating speed is 9000rpm, takes precipitation；
(4) washing takes half to neutrality, and 4 times of weight distilled water are added, and is beaten 10min, obtains ingredient B；
(5) 40 parts of Chinese honey locust decladdings are taken, 10min is beaten after being soaked in water；
(6) 80 parts of petroleum ethers are added, is filtered after stirring 2h, discards filtrate；
(7) it is transferred in grinder and grinds 5h；
(8) it is spray-dried；
(9) ingredient A, ingredient B, 0.2 part of antibacterial peptide, 1 part of celestial grass polysaccharide is added, stirs evenly；
(10) it is transferred in refrigerator, 6h is freezed at -80 DEG C after freezing 6h at -20 DEG C；
(11) it is put into freeze drier vacuum freeze drying to obtain the final product.
Comparative example 2
The present embodiment is with embodiment 1 the difference is that not containing Chinese honey locust, specially：
A kind of preparation method of environment-friendly type composite buffering packaging material, ingredient by weight, include the following steps：
(1) castor bean meal is crossed into 60 mesh sieve, takes 72 parts of petroleum ethers of 12- parts of additions, is filtered after stirring 2h, discard filtrate；
(2) sodium hydroxide solution of 200 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2h；
(3) 5min is centrifuged in the case where rotating speed is 9000rpm, takes supernatant；
(4) it is 4.5 that 10% hydrochloric acid to pH value, which is added, stirs 1h；
(5) 5min is centrifuged in the case where rotating speed is 9000rpm, takes precipitation, in 50 DEG C of dry 12h, obtains ingredient A；
(6) step (3) lower part washing of precipitate takes half to neutrality, and 4 times of weight distilled water are added, and is beaten 10min, obtains ingredient B；
(7) ingredient A and ingredient B are mixed, 0.2 part of antibacterial peptide, 1 part of celestial grass polysaccharide is added, stirs evenly；
(8) it is transferred in refrigerator, 6h is freezed at -80 DEG C after freezing 6h at -20 DEG C；
(9) it is put into freeze drier vacuum freeze drying to obtain the final product.
Comparative example 3
The present embodiment is with embodiment 1 the difference is that not containing celestial grass polysaccharide, specially：
A kind of preparation method of environment-friendly type composite buffering packaging material, ingredient by weight, include the following steps：
(1) castor bean meal is crossed into 60 mesh sieve, takes 72 parts of petroleum ethers of 12- parts of additions, is filtered after stirring 2h, discard filtrate；
(2) sodium hydroxide solution of 200 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2h；
(3) 5min is centrifuged in the case where rotating speed is 9000rpm, takes supernatant；
(4) it is 4.5 that 10% hydrochloric acid to pH value, which is added, stirs 1h；
(5) 5min is centrifuged in the case where rotating speed is 9000rpm, takes precipitation, in 50 DEG C of dry 12h, obtains ingredient A；
(6) step (3) lower part washing of precipitate takes half to neutrality, and 4 times of weight distilled water are added, and is beaten 10min, obtains ingredient B；
(7) 40 parts of Chinese honey locust decladdings are taken, 10min is beaten after being soaked in water；
(8) 80 parts of petroleum ethers are added, is filtered after stirring 2h, discards filtrate；
(9) it is transferred in grinder and grinds 5h；
(10) it is spray-dried；
(11) ingredient A, ingredient B, 0.2 part of antibacterial peptide is added, stirs evenly；
(12) it is transferred in refrigerator, 6h is freezed at -80 DEG C after freezing 6h at -20 DEG C；
(13) it is put into freeze drier vacuum freeze drying to obtain the final product.
The partial properties index of 1 environment-friendly type composite buffering packaging material of table
The partial properties index of environment-friendly type composite buffering packaging material prepared by the method for the present invention is seen the above table, it may be seen that
It reaches as high as 0.878MPa, yield stress and rebound degree highest with good mechanical property and cushion performance, elasticity modulus
Respectively up to 0.682MPa and 90.28%, while antibiotic property is good, fine for the inhibition of staphylococcus aureus.
Claims (3)
1. a kind of preparation method of environment-friendly type composite buffering packaging material, it is characterised in that：Ingredient is by weight, including following
Step：
(1) castor bean meal is crossed into 60 mesh sieve, takes 72-90 parts of petroleum ethers of 12-15 parts of additions, is filtered after stirring 2-4h, discard filtrate；
(2) sodium hydroxide solution of 200-300 parts of a concentration of 0.1mol/L is added, is heated to 50 DEG C, stirs 2-2.5h；
(3) 5-7min is centrifuged in the case where rotating speed is 9000-10000rpm, takes supernatant；
(4) it is 4.5 that 10% hydrochloric acid to pH value, which is added, stirs 1-2h；
(5) 5-7min is centrifuged in the case where rotating speed is 9000-10000rpm, takes precipitation, in 50 DEG C of dry 12h, obtains ingredient A；
(6) step (3) lower part washing of precipitate takes half to neutrality, and 4-5 times of weight distilled water is added, and is beaten 10-15min, obtains into
Divide B；
(7) 40-60 parts of Chinese honey locust decladdings are taken, 10-15min is beaten after being soaked in water；
(8) 80-100 parts of petroleum ethers are added, is filtered after stirring 2-4h, discards filtrate；
(9) it is transferred in grinder and grinds 5-8h；
(10) it is spray-dried；
(11) ingredient A, B, 0.2-0.5 parts of antibacterial peptides of ingredient, 1-2 parts of celestial grass polysaccharide are added, stir evenly；
(12) it is transferred in refrigerator, 6-7h is freezed at -80 DEG C after freezing 6-7h at -20 DEG C；
(13) it is put into freeze drier vacuum freeze drying to obtain the final product.
2. a kind of preparation method of environment-friendly type composite buffering packaging material according to claim 1, it is characterised in that：It is described
Spray drying condition is：Inlet temperature is 100-110 DEG C, and outlet temperature is 60-70 DEG C, pressure 0.08-0.1MPa.
3. a kind of preparation method of environment-friendly type composite buffering packaging material according to claim 1, it is characterised in that：It is described
The preparation method of antibacterial peptide is：
The first step：Deionized water, oscillation mixing is added according to 10 times of ratios of quality of fish filling in 10-20 parts of angler meat gruels；
Second step：Mixed serum pH to 2-2.5 is adjusted with 6mol/L HCl and 6mol/L Na OH, is kept the temperature at 37-40 DEG C
10min；
Third walks：It is added and 1000U enzyme activity units addition pepsin progress enzyme digestion reaction, reaction process is added with every gram of minced fillet
It is middle to adjust pH in 2-2.5 with 6mol/L HCl；
4th step：After enzymolysis, mixed serum heats 10min passivation enzyme deactivations at 95-100 DEG C, then adjusts slurries pH into
Property；
Mixed serum centrifuges 20-25min under 4 DEG C, 7000r/min, discards upper layer oil film and bottom residues, stays intermediate clear liquid；
4th step：It is freeze-dried to obtain the final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810400083.1A CN108584147A (en) | 2018-04-28 | 2018-04-28 | A kind of preparation method of environment-friendly type composite buffering packaging material |
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| CN201810400083.1A CN108584147A (en) | 2018-04-28 | 2018-04-28 | A kind of preparation method of environment-friendly type composite buffering packaging material |
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ID=63619226
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109221391A (en) * | 2018-10-24 | 2019-01-18 | 浙江卫斯敦环境科技有限公司 | A kind of compound fruit and vegetable fresh-keeping film-coating and preparation method thereof |
| CN109401350A (en) * | 2018-10-26 | 2019-03-01 | 浙江卫斯敦环境科技有限公司 | A kind of preparation method of biomass combined amortizing packaging material |
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| CN106633209A (en) * | 2016-10-13 | 2017-05-10 | 湖北科亿华科技有限公司 | Edible film and industrial preparation method thereof |
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| CN104231333A (en) * | 2014-09-11 | 2014-12-24 | 浙江理工大学 | Preparation method of modified algae cushion packaging material |
| CN104893262A (en) * | 2015-05-27 | 2015-09-09 | 铜陵方正塑业科技有限公司 | High-strength food bag and preparation method thereof |
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Application publication date: 20180928 |