CN106146904A - A kind of sodium acetate sodium citrate glue connects corn starch matrix membrane preparation method - Google Patents

A kind of sodium acetate sodium citrate glue connects corn starch matrix membrane preparation method Download PDF

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Publication number
CN106146904A
CN106146904A CN201610540943.2A CN201610540943A CN106146904A CN 106146904 A CN106146904 A CN 106146904A CN 201610540943 A CN201610540943 A CN 201610540943A CN 106146904 A CN106146904 A CN 106146904A
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CN
China
Prior art keywords
sodium
starch
sodium citrate
sodium acetate
mass fraction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610540943.2A
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Chinese (zh)
Inventor
李大军
刘景圣
李汇聪
徐亚杰
王莹
王思予
张磊
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Jilin University
Jilin Agricultural University
Original Assignee
Jilin University
Jilin Agricultural University
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Publication date
Application filed by Jilin University, Jilin Agricultural University filed Critical Jilin University
Priority to CN201610540943.2A priority Critical patent/CN106146904A/en
Publication of CN106146904A publication Critical patent/CN106146904A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • 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
    • B65D65/463—Edible packaging materials
    • 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
    • B65D65/466—Bio- or photodegradable packaging materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Materials Engineering (AREA)
  • Jellies, Jams, And Syrups (AREA)

Abstract

The invention discloses the preparation method of a kind of starch base plasma membrane packaging material connecting modifying agent with sodium acetate sodium citrate for compound adhesive.Technical scheme is: starch is configured to the diluent of 5%～10% by (A), adds sodium acetate and sodium citrate that mass fraction is 0.1%～2.0%.(B) plasticizer, reinforcing agent are added, homogenate, mixed liquor gelatinizing 40～60 minutes at 80 DEG C～90 DEG C, obtain dextrin.(C) dextrin is in ultrasonic deaeration 5min 10min de-bubble.(D) it is coated with after dextrin deaeration, drying and forming-film under the conditions of 35 DEG C～75 DEG C.The present invention utilizes sodium acetate sodium citrate to connect modifying agent, cost of material, easy and simple to handle, safety and environmental protection for compound adhesive.The corn starch film package packing machine performance prepared is strong, film smooth surface, degradable, can extensively apply confection, nut, tea, vegetable packaging and association area packaging or peplos.

Description

A kind of sodium acetate-sodium citrate glue connects corn starch matrix membrane preparation method
Technical field
The present invention relates to a kind of utilize sodium acetate-sodium citrate to connect the corn starch matrix membrane bag of modifying agent as compound adhesive Package material preparation method.Can be widely applied to the packagings such as nut, cake, confection, belong to edible, degradable package Material Field.
Background technology
Film material using starch as main matrix, as packaging material for food, has edible safety and the feature of environmental protection.
The research of natural polymer degradable package material is mainly with polysaccharide, protein, lipid etc. as raw material, by bag Wrap up in, impregnate, be coated with, spray the packing film of the one layer of Edible material composition being covered on food interface.Corn starch raw material comes Source is extensive, has saccharide nutrition；Starch film packaging prevents migration and the diffusion of food Zhong Shui, oil and other compositions；Stop food The volatilization of flavor substance；Can eat together with packaged food, to food and environmental nonpollution；Improve product quality, extend and produce The shelf life of product.Therefore, biodegradable plastic has become the hot fields that countries in the world are competitively researched and developed.
Traditionally based on Oryza glutinosa film packaged confectionary, but people are developing other starch base slow releasing capsule now.Add The modifying agent such as some lower alcohols, ester, acidity regulator, natural glue, Modified Starch, polysaccharide, glycosaminoglycans.The jade developed at present The practicality of rice starch film is poor, at bad mechanical property, the most aging becomes fragile.Find suitable modifying agent, in tensile strength, break Split and on elongation percentage, aging resistance, have large-scale improvement, starch packaging film can broader applications in actual production and life.
Sodium citrate is important food additive, adds in packaging for foodstuff and has the following characteristics that (1) sodium citrate Raw material basic source is in grain, and safety is high；(2) there is biological degradability；(3) fabulous solubility property, and dissolubility with Water temperature raises and increases, soluble in water, dissolve in glycerol, be insoluble in alcohols and other organic solvents；(4) in the food industry may be used Make stabilizer.Chinese and overseas scholars's research is had to confirm the sodium citrate impact on starch film performance.
Sodium acetate major part character is similar to sodium citrate, and molecule space occupy-place is less than sodium citrate, affects steaming and decocting dough Mechanical property, there is certain antiseptical effect, the shelf life of pack content can be improved.
As little molecule organic salt, it is linked to be in membrane process at corn starch molecules glue, organic salt, starch, reinforcing agent, plasticising Agent has certain interaction.Acetate is different due to the bulk of molecule with citrate, and the starch being linked to be film at glue divides The different angles of son and different distance, have the occupy-place that span is different respectively, and be complementary to one another associating.Based on this, combine use Modified in starch film, it is possible to improve the mechanical performance of starch film.
Summary of the invention
It is an object of the invention to provide a kind of corn starch base connecting modifying agent with sodium acetate lemon-lemon acid sodium for compound adhesive The preparation method of plasma membrane, the method raw material sources are extensive, with low cost, easy and simple to handle, safety and environmental protection.
It is an object of the invention to be realized by following technical method:
A, starch is configured to the diluent of 5%～10%, adds sodium acetate and sodium citrate that mass fraction is 0.1%～2.0%；
B, add plasticizer, reinforcing agent, homogenate, mixed liquor gelatinizing 40～60 minutes at 80 DEG C～90 DEG C, obtain dextrin；
C, dextrin are in ultrasonic deaeration 5min-10min de-bubble；
It is coated with after D, dextrin deaeration, drying and forming-film under the conditions of 35 DEG C～75 DEG C.
Described starch is that corn starch and other starch are combined with corn starch.
Described sodium citrate, includes but not limited to sodium citrate, sodium propionate, sodium lactate, sodium butyrate, ethylenediaminetetraacetic acid One or several in sodium, sodium gluconate, sodium stearate, palmitic acid sodium and other structure similar substance and potassium salt thereof or calcium salt Kind, it is characterised in that molecular weight more than sodium acetate and with sodium acetate synergy.
Described plasticizer be glycerol, mannitol, maltose alcohol, xylitol, ethylene glycol, oleic acid, Palmic acid and Similar substance, any one or a few synergism optional, its addition is less than 3%.
Described reinforcing agent is gelatin, agar, glucomannoglycan, sodium carboxymethyl cellulose, sodium alginate and similar substance thereof, Any one or a few synergism optional, its addition is less than 3%.
The present invention is with sodium acetate-sodium citrate for making the composite modifier of corn starch film, with starch molecule spatially Distance occupy-place complementation combines, it is easy to form thin film pliable and tough, smooth, that mechanical performance is stronger.The packaging of the food that the method makes Material, has and keeps moisture, starvation, prevents the effect of growth of microorganism.
The each parameter of the present invention, processing step and rule of operation interact, and constitute a complete technical scheme.
Lower cost for material of the present invention, technique are simple, safety and environmental protection.
Detailed description of the invention
Following example are used for the present invention is described so that it is clearer and more definite, but are certainly not limited to the scope of the present invention.
Embodiment 1
1) 6g corn starch is dissolved in 100ml distilled water, adds 0.5g sodium acetate, 1.0g sodium citrate, dilute and mix all Even；
2) mixed liquor addition 1.5g sodium alginate is as reinforcing agent, and 2ml glycerol is as plasticizer, and 90 DEG C of at the uniform velocity stirring 40min are extremely The abundant gelatinizing of starch；
3) dextrin is through 35w ultrasonic deaeration 5min；
4) the tape casting drying and forming-film under the conditions of deaeration dextrin 50 DEG C.

Claims (7)

1. sodium acetate-sodium citrate glue connects corn starch matrix membrane preparation method, it is characterised in that following steps: (A) will Starch is configured to the diluent of 5%～10%, adds sodium acetate and sodium citrate that mass fraction is 0.1%～2.0%；(B) add Plasticizer, reinforcing agent, homogenate, mixed liquor gelatinizing 40～60 minutes at 80 DEG C～90 DEG C, obtain dextrin；(C) dextrin is in super Sound deaeration 5min-10min de-bubble；(D) it is coated with after dextrin deaeration, drying and forming-film under the conditions of 35 DEG C～75 DEG C.
Corn starch matrix membrane the most according to claim 1, it is characterised in that raw material components and mass fraction be:
Starch 5%～10%
Sodium acetate-sodium citrate 0.1%～1.9%
Plasticizer 1%～3%
Reinforcing agent 1%～3%
Corn starch according to claim 2, includes but not limited to and potato starch, pea starch and modified starch thereof One or more compound, and the invention is not restricted to the example above scope.
The mass fraction of starch the most according to claim 2, its starch is corn starch described in claim 1.
Sodium acetate the most according to claim 2-sodium citrate mass fraction, both carry out group with the ratio of 9:1～1:9 Close, it is characterised in that improve mechanical performance, including hot strength and elongation at break.
Sodium acetate-sodium citrate the most according to claim 4, its sodium citrate includes but not limited to sodium citrate, propanoic acid Sodium, sodium lactate, sodium butyrate, sodium ethylene diamine tetracetate, sodium gluconate, sodium stearate, palmitic acid sodium and other structure homologue One or more in matter and potassium salt thereof or calcium salt, it is characterised in that molecular weight more than sodium acetate and with sodium acetate synergy, And the invention is not restricted to the example above scope.
Plasticizer mass fraction the most according to claim 2, its plasticizer includes but not limited to xylitol, can be selected for sweet The collaborative plasticising of dew one of sugar alcohol, maltose alcohol, glycerol, both are combined with the ratio of 9:1～1:9.
Reinforcing agent mass fraction the most according to claim 2, its reinforcing agent includes but not limited to glucomannoglycan and alginic acid The mixture of sodium, both are combined with the ratio of 9:1～1:9, it is characterised in that improve the mechanical strength of starch film.
CN201610540943.2A 2016-07-12 2016-07-12 A kind of sodium acetate sodium citrate glue connects corn starch matrix membrane preparation method Pending CN106146904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610540943.2A CN106146904A (en) 2016-07-12 2016-07-12 A kind of sodium acetate sodium citrate glue connects corn starch matrix membrane preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610540943.2A CN106146904A (en) 2016-07-12 2016-07-12 A kind of sodium acetate sodium citrate glue connects corn starch matrix membrane preparation method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109021303A (en) * 2017-06-08 2018-12-18 吉林农业大学 A kind of take ethylenediamine as the starch matrix packaging film of double positive polarity crosslinking agents
CN109021298A (en) * 2017-06-08 2018-12-18 吉林农业大学 A kind of take basic amino acid as the edible starch film of double positive polarity crosslinking agents
CN109021269A (en) * 2017-06-08 2018-12-18 吉林农业大学 A kind of fast dewatering method of the starch matrix film preparation using ethyl alcohol as dehydrating agent

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906220A (en) * 2010-07-16 2010-12-08 山东农业大学 Starch-based edible film and preparation method thereof
CN104151623A (en) * 2014-07-29 2014-11-19 石芬 Edible instant nutritional seasoning package film and preparation method thereof
CN104629093A (en) * 2013-11-06 2015-05-20 天津市鑫广包装制品有限公司 Food packaging film and production method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906220A (en) * 2010-07-16 2010-12-08 山东农业大学 Starch-based edible film and preparation method thereof
CN104629093A (en) * 2013-11-06 2015-05-20 天津市鑫广包装制品有限公司 Food packaging film and production method thereof
CN104151623A (en) * 2014-07-29 2014-11-19 石芬 Edible instant nutritional seasoning package film and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109021303A (en) * 2017-06-08 2018-12-18 吉林农业大学 A kind of take ethylenediamine as the starch matrix packaging film of double positive polarity crosslinking agents
CN109021298A (en) * 2017-06-08 2018-12-18 吉林农业大学 A kind of take basic amino acid as the edible starch film of double positive polarity crosslinking agents
CN109021269A (en) * 2017-06-08 2018-12-18 吉林农业大学 A kind of fast dewatering method of the starch matrix film preparation using ethyl alcohol as dehydrating agent

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Application publication date: 20161123

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