CN110055763A - A kind of preparation method of the anti-soft-type packaging material of fries - Google Patents
A kind of preparation method of the anti-soft-type packaging material of fries Download PDFInfo
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- CN110055763A CN110055763A CN201910361012.XA CN201910361012A CN110055763A CN 110055763 A CN110055763 A CN 110055763A CN 201910361012 A CN201910361012 A CN 201910361012A CN 110055763 A CN110055763 A CN 110055763A
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- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/12—Aldehydes; Ketones
- D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/02—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with cellulose derivatives
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/02—Natural macromolecular compounds or derivatives thereof
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- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/02—Natural macromolecular compounds or derivatives thereof
- D06N2203/024—Polysaccharides or derivatives thereof
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- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/02—Natural macromolecular compounds or derivatives thereof
- D06N2203/024—Polysaccharides or derivatives thereof
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- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- D06N2209/00—Properties of the materials
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- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- D06N2211/00—Specially adapted uses
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Abstract
The present invention relates to a kind of fries preparation methods of anti-soft-type packaging material, belong to field of packaging material.The present invention uses konjaku glucan for raw material, gel rubber material is prepared by it, the moisture pick-up properties of material is effectively improved after being coated, simultaneously, since the moisture content contained in fries is that gaseous state and liquid coexist, gaseous state liquid is absorbed by fibrous material first, fibrous outer surfaces are transferred to by fiber internal clearance, and then it is diffused into air, liquid absorbed by fiber after by the pore of fibrous inside, interfibrous gap is through capillary effect by fibers adsorption, it spreads and evaporates, and there is stronger interaction between the gel rubber material and non-woven fibrous materials after sericin is filling-modified, serve as the effect of " bridged bond ", the two is connected, increase paper fiber molecule, to largely improve its tensile strength and mechanical property, improve adhesion and intensity, so there is technical solution of the present invention excellent water suction to prevent soft energy.
Description
Technical field
The present invention relates to a kind of fries preparation methods of anti-soft-type packaging material, belong to packaging material technology neck
Domain.
Background technique
With the development of the social economy, people's pursuit is no longer only had enough, but to eat, meanwhile, also due to traffic
The high speed development of industry, the development of food service industry are also got up rapidly, and circulation becomes more and more wide with scale.It is transported in the circulation of food
During defeated, how to keep the quality of food is a key.
Packaging material is a kind of to meet product packet for manufacturing packing container, packing and decorating, packages printing, packed and transported etc.
Material used in reload request, it includes metal, plastics, glass, ceramics, paper, bamboo sheet, wild mushroom class, natural fiber, chemistry fibre
The main packaging material such as dimension, composite material.With the development and the improvement of people's living standards of social economy, to food packaging
Demand is increasing.Currently, food packaging class material is mainly Plastic, corrugated paper, honeycomb stationery, paper mould class material.
Since the waste of Plastic packaging is not recyclable, non-degradable, a large amount of uses cause serious white pollution, bring
Huge environmental pressure.Corrugated paper, honeycomb stationery, paper mould class material are although degradable, but mostly using timber as raw material, greatly
The amount consumption limited forest reserves in China, and cause water pollution in the fabrication process, manufacturing cost is higher, is not Plastic
The ideal substitute products of packaging material.
Fried food is the popular based food of China, is liked with the mouthfeel depth of its delicious and crisp for people.French fries are most
A kind of representative fried food studies the selection method and shelf life assessment of French fries packaging material, to other fried foods
Be packaged with important reference significance.French fries are all very sensitive to moisture and oxygen, the moisture absorption can make it lose brittleness, and oxygen can draw
It is spoiled to play corruption.Selected packaging material must be able to isolation moisture and oxygen.
The shelf life for the food packed with flexible packing material is decided by many factors, such as temperature, relative humidity, oxygen point
Pressure, light transmission rate and packaging structure etc., so the shelf life of evaluate packaging food is a considerably complicated problem.However it is protecting
Some influence factors always remain unchanged during depositing, and change if other factors such as relative humidity, oxygen partial pressure.It is fried
The change of food, which loses, depends primarily on moisture and oxygen.
Fries are the collocation of McDonald, KFC one kind foreign fast food indispensability, but since fresh chips must be fresh
It is eaten in 5 minutes after blasting furnace, the softening that otherwise will absorb water loses strength and stiffness, can not be stained with painting sauce, and mouthfeel becomes
Difference, therefore fries are essentially all that hall is eaten.If selecting tyre, French fries gradually soften, can not be stained with painting sauce, lose
Crisp mouthfeel and fried fragrance；Thereby resulting in fresh chips cannot achieve take-away guarantor's taste dispatching；In addition fries hold
It is easily mouldy, it can not be fresh-keeping.
Therefore, dispensing with band for fries how is solved, the crisp, constant of fries is kept within the regular hour
It is soft, not mouldy, just become the project that the expectation of corresponding food and beverage enterprise solves.
Starch is rich in French fries, the hole that frying course is formed can absorb the moisture in air, French fries is caused to soften.Mesh
The preceding material for French fries packaging is mostly composite material, and such as CPP prevents that soft aspect does not have new breakthrough and progress antifog.Using
The mode that the pure and mild non-woven fabrics of modified poly ethylene combines, is French fries " service " by exterior and interior packing jointly, can reach anti-fog and protect firmly
Effect.
The decline of packing film mist degree, French fries is caused to become for vapor is also easy to produce in fries packing and storing process film
Soft phenomenon researchs and develops a kind of anti-fog guarantor's Hard Roll package material of fries and is of great significance to fried based food packaging material
And reference value.
Currently, more and more wrapping enterprises use starch-based material as packaging material for food, starch base buffering package
Material has good mechanical performance, is easy degradation in the soil, is a kind of environmentally friendly packing material of natural environmental-protective.Current art
In starch base amortizing packaging material in order to realize preferable cushion performance and mechanical property, usually in material use, preparation work
Biggish cost is spent in skill, productivity effect is not high, and some starch base amortizing packaging materials are in order to add effective plant
Fibre composition largely exploits new plant, not only increases production cost, but also causes the biggish wasting of resources.
Summary of the invention
The technical problems to be solved by the invention: it is led for vapor is also easy to produce in fries packing and storing process film
The problem of causing the decline of packing film mist degree, French fries softening, taste bad, provides a kind of anti-soft-type packaging material of fries
Preparation method.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
(1) sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides are weighed respectively to be placed in a beaker,
It is stirred simultaneously insulation reaction, cross-linking modified liquid is obtained and sericin is added in cross-linking modified liquid, be stirred and rotate
Evaporation is collected dried object and is ground up, sieved, obtains modified particles；
(2) 1:10 in mass ratio, modified particles are added in sodium bicarbonate solution, are stirred and collect to obtain modification liquid, then
According to parts by weight, it is mixed that 45~50 parts of modification liquids, 10~15 parts of polyvinyl alcohol and 95~100 parts of deionized water stirrings are weighed respectively
Modification liquid, then 1:5 in mass ratio are collected to obtain in merging, and boric acid solution is added dropwise in modification liquid, after being added dropwise to complete, is stirred
And homogenization, collect to obtain homogeneous modification liquid；
(3) again according to parts by weight, 45~50 parts of deionized waters, 10~15 parts of konjaku glucomannans, 3~5 parts of jade are weighed respectively
Rice starch is placed in burning, stirs and keep the temperature gelatinization, is collected dextrin and according to parts by weight, is weighed 45~50 parts respectively and be gelatinized
Liquid, 3~5 parts of carragheens and 10~15 parts of carboxylic propyl methocels and 1~2 part of glycerol are placed in blender, are stirred simultaneously
Coagulant liquid is collected, homogeneous modification liquid is added in coagulant liquid, coating modification coagulant liquid is stirred to obtain；
(4) non-woven fabrics and 1:15 in mass ratio are taken, nonwoven is arranged in acetone and is impregnated, after the completion of impregnating, drying simultaneously will packet
It covers modified gel liquid to coat to dry nonwoven surface, drying after the completion to be coated can be prepared into the fries and use
Anti- soft-type packaging material.
Between sucrose-fatty ester solution described in step (2), epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides
Ratio is according to parts by weight, to weigh 45~50 parts of sucrose-fatty ester solutions, 10~15 parts of epoxychloropropane, 2~3 parts respectively
Sodium hydroxide and 1~2 part of four butyl ester ammonium bromide.
Mixed proportion is 1:10 between sericin and cross-linking modified liquid described in step (2).
Rotary evaporation described in step (2) is the rotary evaporated to dryness at 45~50 DEG C.
Sodium bicarbonate solution described in step (2) is 15% sodium bicarbonate solution of mass fraction.
Boric acid solution described in step (2) is 15% boric acid solution of mass fraction.
Boric acid solution drop rate described in step (2) is 2~3mL/min.
Heat preservation gelatinization point described in step (3) is 90~95 DEG C.
Homogeneous modification liquid described in step (3) and coagulant liquid mixed proportion are 1:1.
Coating modification coagulant liquid coating thickness described in step (4) is 0.5~0.8mm.
The present invention is compared with other methods, and advantageous effects are:
(1) technical solution of the present invention uses konjaku glucan for raw material, prepares gel rubber material by it, since it is with Thief zone
The characteristics such as pressure, high viscosity, high-hydroscopicity are effectively improved the moisture pick-up properties of material after being coated, simultaneously as in fries
The moisture content contained is that gaseous state and liquid coexist, and gaseous state liquid is absorbed by fibrous material first, is transferred to fiber by fiber internal clearance
Outer surface, and then be diffused into air, liquid absorbed by fiber after by the pore of fibrous inside, groove, interfibrous sky
Gap by fibers adsorption, diffusion and is evaporated through capillary effect, and the gel rubber material after sericin is filling-modified and non-woven fabrics are fine
There is stronger interaction between dimension material, serve as the effect of " bridged bond ", the two is connected, increases paper fiber molecule,
To largely improve its tensile strength and mechanical property, improve adhesion and intensity, so technical solution of the present invention has
There is excellent water suction to prevent soft energy；
(2) technical solution of the present invention carries out sericin cross-linking modified, since glairin albumen is the main component of silk cocoon, by ten
Eight kinds of amino acid composition, sericin has good biocompatibility, contained therein to have a large amount of amino acid, rich in amino,
Hydroxyl and amide group contain a large amount of hydroxyl group in sericin, pass through effect that be crosslinked structural reform material and intermolecular
Power improves the mechanical property of composite fibre, in order to further increase the mechanical property of composite fibre, by chemical crosslinking modified,
A kind of tridimensional network is generated, the non-deformability of composite fibre is increased, the crosslinking agent material used in technical solution of the present invention
Contain hydrocarbon aliphatic chain in material, it can hinder hydroxyl between protein molecule, amino form hydrogen bond and amino and carboxyl formed from
Sub-key makes protein molecule
Between active force it is not strong, to make composite fibre keep good pliability, while as crosslinking recombination rate increases, egg
White matter increases the thickness of modified fabric in the grafting of fiber surface, and hydrone accordingly extends through the time of fabric, rate of perviousness
Slightly reduce, with continuing growing for sericine bond strength, the hydrophilic radical of fiber surface is also increase accordingly, at this point,
Hydrone can by hydrophilic radical lead it is wet, so the rate of perviousness of composite material again slightly raising, can be effectively improved
Soft energy is prevented in the water suction of material, and by being crosslinked between sericin, crosslinker material has hydrophobic hydrocarbon chain, can hinder
Strong interaction is generated between protein molecule, so that composite inner is kept excellent toughness and intensity, is overcome general feelings
Vapor is also easy to produce in fries packing and storing process film under condition and causes the decline of packing film mist degree, French fries to soften, mouthfeel
The problem of variation.
Specific embodiment
According to parts by weight, 45~50 parts of sucrose-fatty ester solutions, 10~15 parts of epoxychloropropane, 2~3 are weighed respectively
Part sodium hydroxide and 1~2 part of four butyl ester ammonium bromide are placed in a beaker, and are stirred and mixed liquor is placed at 45~50 DEG C and keep the temperature
1~2h is reacted, cross-linking modified liquid and 1:10 in mass ratio is obtained, sericin is added in cross-linking modified liquid, is stirred simultaneously
It is placed in rotary evaporated to dryness at 45~50 DEG C, dried object and ground 200 mesh is collected, obtains modified particles；1:10 in mass ratio,
Modified particles are added in 15% sodium bicarbonate solution of mass fraction, be stirred and collect to obtain modification liquid, then by weight
Number meter weighs 45~50 parts of modification liquids, 10~15 parts of polyvinyl alcohol and 95~100 parts of deionized waters respectively and is stirred and collects
Modification liquid, then 1:5 in mass ratio are obtained, 15% boric acid solution of mass fraction is added dropwise in modification liquid, control boric acid solution is added dropwise
Rate is 2~3mL/min, after being added dropwise to complete, is stirred simultaneously homogenization, collects to obtain homogeneous modification liquid；Again by weight
Number meter weighs 45~50 parts of deionized waters, 10~15 parts of konjaku glucomannans, 3~5 parts of cornstarch respectively and is placed in burning, stirs
It mixes and is placed at 90~95 DEG C heat preservation 15~20min of gelatinization, collect dextrin and according to parts by weight, respectively 45~50 parts of weighing
Dextrin, 3~5 parts of carragheens and 10~15 parts of carboxylic propyl methocels and 1~2 part of glycerol are placed in blender, and stirring is mixed
Merge and collect coagulant liquid, homogeneous modification liquid is added in coagulant liquid by coagulant liquid and 1:1 by volume, is stirred to obtain and wrap
Cover modified gel liquid；Non-woven fabrics and in mass ratio 1:15 are taken, nonwoven is arranged in 3~5h of immersion in acetone, after the completion of impregnating,
Drying simultaneously coats coating modification coagulant liquid to dry nonwoven surface, and control coating thickness is 0.5~0.8mm, to be coated complete
Cheng Hou, then dry 1~2h at 70~75 DEG C, can be prepared into the anti-soft-type packaging material of fries.
Sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides are weighed respectively to be placed in a beaker,
It is stirred simultaneously insulation reaction, cross-linking modified liquid is obtained and sericin is added in cross-linking modified liquid, be stirred and rotate
Evaporation is collected dried object and is ground up, sieved, obtains modified particles；It is molten to be added to sodium bicarbonate by 1:10 in mass ratio for modified particles
It in liquid, is stirred and collects to obtain modification liquid, then according to parts by weight, weigh 45 parts of modification liquids, 10~part polyvinyl alcohol respectively
Modification liquid, then 1:5 in mass ratio are stirred and collected to obtain with 95 parts of deionized waters, and boric acid solution is added dropwise in modification liquid,
After being added dropwise to complete, it is stirred simultaneously homogenization, collects to obtain homogeneous modification liquid；Again according to parts by weight, 45 parts are weighed respectively
Deionized water, 10 parts of konjaku glucomannans, 3 parts of cornstarch are placed in burning, stir and keep the temperature gelatinization, collect dextrin and by weight
Number meter is measured, 45 parts of dextrins, 3 parts of carragheens and 10 parts of carboxylic propyl methocels is weighed respectively and 1 part of glycerol is placed in stirring
In machine, it is stirred and is collected coagulant liquid, homogeneous modification liquid is added in coagulant liquid, is stirred to obtain coating modification gel
Liquid；Non-woven fabrics and in mass ratio 1:15 are taken, nonwoven is arranged in acetone and is impregnated, after the completion of impregnating, drying simultaneously changes cladding
Property coagulant liquid coat to dry nonwoven surface, it is dry after the completion of to be coated, it is soft with preventing that the fries can be prepared into
Type packaging material.Ratio between sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides is by weight
Number meter is measured, weighs 45 parts of sucrose-fatty ester solutions, 10 parts of epoxychloropropane, 2 parts of sodium hydroxides and 1 part of four butyl ester bromine respectively
Change ammonium.Mixed proportion is 1:10 between sericin and cross-linking modified liquid.Rotary evaporation is the rotary evaporated to dryness at 45 DEG C.Carbon
Sour hydrogen sodium solution is 15% sodium bicarbonate solution of mass fraction.Boric acid solution is 15% boric acid solution of mass fraction.Boric acid solution
Drop rate is 2mL/min.Keeping the temperature gelatinization point is 90 DEG C.Homogeneous modification liquid and coagulant liquid mixed proportion are 1:1..Cladding changes
Property coagulant liquid coating thickness be 0.5mm.
Sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides are weighed respectively to be placed in a beaker,
It is stirred simultaneously insulation reaction, cross-linking modified liquid is obtained and sericin is added in cross-linking modified liquid, be stirred and rotate
Evaporation is collected dried object and is ground up, sieved, obtains modified particles；It is molten to be added to sodium bicarbonate by 1:10 in mass ratio for modified particles
In liquid, be stirred and collect to obtain modification liquid, then according to parts by weight, respectively weigh 46 parts of modification liquids, 12 parts of polyvinyl alcohol and
96 parts of deionized waters are stirred and collect to obtain modification liquid, then 1:5 in mass ratio, and boric acid solution is added dropwise in modification liquid, to
After being added dropwise to complete, it is stirred simultaneously homogenization, collects to obtain homogeneous modification liquid；Again according to parts by weight, 46 parts are weighed respectively to go
Ionized water, 12 parts of konjaku glucomannans, 4 parts of cornstarch are placed in burning, stir and keep the temperature gelatinization, collect dextrin and by weight
Number meter weighs 46 parts of dextrins, 4 parts of carragheens and 12 parts of carboxylic propyl methocels respectively and 1 part of glycerol is placed in blender
In, it is stirred and is collected coagulant liquid, homogeneous modification liquid is added in coagulant liquid, is stirred to obtain coating modification coagulant liquid；
Non-woven fabrics and in mass ratio 1:15 are taken, nonwoven is arranged in acetone and is impregnated, after the completion of impregnating, drying simultaneously coagulates coating modification
Glue is coated to dry nonwoven surface, and drying after the completion to be coated can be prepared into the anti-soft-type packet of fries
Package material.Ratio between sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides is by weight
Number meter, weighs 45~50 parts of sucrose-fatty ester solutions, 12 parts of epoxychloropropane, 2 parts of sodium hydroxides and 1 part of four butyl ester bromine respectively
Change ammonium.Mixed proportion is 1:10 between sericin and cross-linking modified liquid.Rotary evaporation is the rotary evaporated to dryness at 46 DEG C.Carbon
Sour hydrogen sodium solution is 15% sodium bicarbonate solution of mass fraction.Boric acid solution is 15% boric acid solution of mass fraction.Boric acid solution
Drop rate is 2.3mL/min.Keeping the temperature gelatinization point is 90~95 DEG C.Homogeneous modification liquid and coagulant liquid mixed proportion are 1:1..
Coating modification coagulant liquid coating thickness is 0.6mm.
Sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides are weighed respectively to be placed in a beaker,
It is stirred simultaneously insulation reaction, cross-linking modified liquid is obtained and sericin is added in cross-linking modified liquid, be stirred and rotate
Evaporation is collected dried object and is ground up, sieved, obtains modified particles；It is molten to be added to sodium bicarbonate by 1:10 in mass ratio for modified particles
In liquid, be stirred and collect to obtain modification liquid, then according to parts by weight, respectively weigh 48 parts of modification liquids, 14 parts of polyvinyl alcohol and
98 parts of deionized waters are stirred and collect to obtain modification liquid, then 1:5 in mass ratio, and boric acid solution is added dropwise in modification liquid, to
After being added dropwise to complete, it is stirred simultaneously homogenization, collects to obtain homogeneous modification liquid；Again according to parts by weight, 48 parts are weighed respectively to go
Ionized water, 14 parts of konjaku glucomannans, 4 parts of cornstarch are placed in burning, stir and keep the temperature gelatinization, collect dextrin and by weight
Number meter weighs 48 parts of dextrins, 4 parts of carragheens and 14 parts of carboxylic propyl methocels respectively and 2 parts of glycerol is placed in blender
In, it is stirred and is collected coagulant liquid, homogeneous modification liquid is added in coagulant liquid, is stirred to obtain coating modification coagulant liquid；
Non-woven fabrics and in mass ratio 1:15 are taken, nonwoven is arranged in acetone and is impregnated, after the completion of impregnating, drying simultaneously coagulates coating modification
Glue is coated to dry nonwoven surface, and drying after the completion to be coated can be prepared into the anti-soft-type packet of fries
Package material.Ratio between sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides is by weight
Number meter, weighs 48 parts of sucrose-fatty ester solutions, 14 parts of epoxychloropropane, 3 parts of sodium hydroxides and 1 part of four butyl ester bromination respectively
Ammonium.Mixed proportion is 1:10 between sericin and cross-linking modified liquid.Rotary evaporation is the rotary evaporated to dryness at 48 DEG C.Carbonic acid
Hydrogen sodium solution is 15% sodium bicarbonate solution of mass fraction.Boric acid solution is 15% boric acid solution of mass fraction.Boric acid solution drop
Rate of acceleration is 2.6mL/min.Keeping the temperature gelatinization point is 94 DEG C.Homogeneous modification liquid and coagulant liquid mixed proportion are 1:1..Cladding changes
Property coagulant liquid coating thickness be 0.7mm.
Sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides are weighed respectively to be placed in a beaker,
It is stirred simultaneously insulation reaction, cross-linking modified liquid is obtained and sericin is added in cross-linking modified liquid, be stirred and rotate
Evaporation is collected dried object and is ground up, sieved, obtains modified particles；It is molten to be added to sodium bicarbonate by 1:10 in mass ratio for modified particles
In liquid, be stirred and collect to obtain modification liquid, then according to parts by weight, respectively weigh 50 parts of modification liquids, 15 parts of polyvinyl alcohol and
100 parts of deionized waters are stirred and collect to obtain modification liquid, then 1:5 in mass ratio, and boric acid solution is added dropwise in modification liquid, to
After being added dropwise to complete, it is stirred simultaneously homogenization, collects to obtain homogeneous modification liquid；Again according to parts by weight, 50 parts are weighed respectively to go
Ionized water, 15 parts of konjaku glucomannans, 5 parts of cornstarch are placed in burning, stir and keep the temperature gelatinization, collect dextrin and by weight
Number meter weighs 50 parts of dextrins, 5 parts of carragheens and 15 parts of carboxylic propyl methocels respectively and 2 parts of glycerol is placed in blender
In, it is stirred and is collected coagulant liquid, homogeneous modification liquid is added in coagulant liquid, is stirred to obtain coating modification coagulant liquid；
Non-woven fabrics and in mass ratio 1:15 are taken, nonwoven is arranged in acetone and is impregnated, after the completion of impregnating, drying simultaneously coagulates coating modification
Glue is coated to dry nonwoven surface, and drying after the completion to be coated can be prepared into the anti-soft-type packet of fries
Package material.Ratio between sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides is by weight
Number meter, weighs 50 parts of sucrose-fatty ester solutions, 15 parts of epoxychloropropane, 3 parts of sodium hydroxides and 2 part of four butyl ester bromination respectively
Ammonium.Mixed proportion is 1:10 between sericin and cross-linking modified liquid.Rotary evaporation is the rotary evaporated to dryness at 50 DEG C.Carbonic acid
Hydrogen sodium solution is 15% sodium bicarbonate solution of mass fraction.Boric acid solution is 15% boric acid solution of mass fraction.Boric acid solution drop
Rate of acceleration is 3mL/min.Keeping the temperature gelatinization point is 95 DEG C.Homogeneous modification liquid and coagulant liquid mixed proportion are 1:1..Coating modification
Coagulant liquid coating thickness is 0.8mm.
Fries prepared by the present invention are detected with anti-soft-type packaging material and existing French fries packaging material, specifically
Testing result such as following table table 1:
Detection method: taking the existing chips of 5 parts of equivalent to be loaded in present example 1-43 and comparative example French fries packaging material respectively,
The French fries randomly selected in each packaging after placing 2 hours test its hardness.
The anti-soft-type packaging material performance characterization of 1 fries of table
The anti-soft-type packaging material of fries prepared by the present invention as shown in Table 1, prevents that soft effect is good, can maintain fries
Hardness (i.e. crispy texture), protects its mouthfeel and quality, has a vast market value and application prospect.
Claims (10)
1. a kind of fries preparation method of anti-soft-type packaging material, it is characterised in that specific preparation step are as follows:
(1) sucrose-fatty ester solution, epoxychloropropane, sodium hydroxide and four butyl ester ammonium bromides are weighed respectively to be placed in a beaker,
It is stirred simultaneously insulation reaction, cross-linking modified liquid is obtained and sericin is added in cross-linking modified liquid, be stirred and rotate
Evaporation is collected dried object and is ground up, sieved, obtains modified particles；
(2) 1:10 in mass ratio, modified particles are added in sodium bicarbonate solution, are stirred and collect to obtain modification liquid, then
According to parts by weight, it is mixed that 45~50 parts of modification liquids, 10~15 parts of polyvinyl alcohol and 95~100 parts of deionized water stirrings are weighed respectively
Modification liquid, then 1:5 in mass ratio are collected to obtain in merging, and boric acid solution is added dropwise in modification liquid, after being added dropwise to complete, is stirred
And homogenization, collect to obtain homogeneous modification liquid；
(3) again according to parts by weight, 45~50 parts of deionized waters, 10~15 parts of konjaku glucomannans, 3~5 parts of jade are weighed respectively
Rice starch is placed in burning, stirs and keep the temperature gelatinization, is collected dextrin and according to parts by weight, is weighed 45~50 parts respectively and be gelatinized
Liquid, 3~5 parts of carragheens and 10~15 parts of carboxylic propyl methocels and 1~2 part of glycerol are placed in blender, are stirred simultaneously
Coagulant liquid is collected, homogeneous modification liquid is added in coagulant liquid, coating modification coagulant liquid is stirred to obtain；
(4) non-woven fabrics and 1:15 in mass ratio are taken, nonwoven is arranged in acetone and is impregnated, after the completion of impregnating, drying simultaneously will packet
It covers modified gel liquid to coat to dry nonwoven surface, drying after the completion to be coated can be prepared into the fries and use
Anti- soft-type packaging material.
2. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly the ratio between sucrose-fatty ester solution, epoxychloropropane described in (2), sodium hydroxide and four butyl ester ammonium bromides is by weight
Measure number meter, respectively weigh 45~50 parts of sucrose-fatty ester solutions, 10~15 parts of epoxychloropropane, 2~3 parts of sodium hydroxides and
1~2 part of four butyl ester ammonium bromide.
3. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly mixed proportion is 1:10 between sericin and cross-linking modified liquid described in (2).
4. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly rotary evaporation described in (2) is the rotary evaporated to dryness at 45~50 DEG C.
5. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly sodium bicarbonate solution described in (2) is 15% sodium bicarbonate solution of mass fraction.
6. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly boric acid solution described in (2) is 15% boric acid solution of mass fraction.
7. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly boric acid solution drop rate described in (2) is 2~3mL/min.
8. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly heat preservation gelatinization point described in (3) is 90~95 DEG C.
9. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that: step
Suddenly homogeneous modification liquid and coagulant liquid mixed proportion described in (3) are 1:1.
10. a kind of fries according to claim 1 preparation method of anti-soft-type packaging material, it is characterised in that:
Coating modification coagulant liquid coating thickness described in step (4) is 0.5~0.8mm.
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| CN112358817A (en) * | 2020-09-15 | 2021-02-12 | 北京鉴真保鲜科技有限公司 | Fruit transportation corrugated case adhesive and adhesion method |
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