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 PDF

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Publication number
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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parts
liquid
soft
packaging material
fries
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周小平
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H1/00Macromolecular products derived from proteins
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating 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
    • D06M13/12Aldehydes; Ketones
    • D06M13/127Mono-aldehydes, e.g. formaldehyde; Monoketones
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0011Artificial 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056Artificial 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
    • D06N3/0059Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056Artificial 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
    • D06N3/0061Organic 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056Artificial 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
    • D06N3/0063Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/02Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with cellulose derivatives
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04Artificial 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N3/00Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12Artificial 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2203/00Macromolecular materials of the coating layers
    • D06N2203/02Natural macromolecular compounds or derivatives thereof
    • D06N2203/024Polysaccharides or derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2203/00Macromolecular materials of the coating layers
    • D06N2203/02Natural macromolecular compounds or derivatives thereof
    • D06N2203/024Polysaccharides or derivatives thereof
    • D06N2203/026Cellulose or derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2203/00Macromolecular materials of the coating layers
    • D06N2203/02Natural macromolecular compounds or derivatives thereof
    • D06N2203/024Polysaccharides or derivatives thereof
    • D06N2203/028Starch or derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2203/00Macromolecular materials of the coating layers
    • D06N2203/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/045Vinyl (co)polymers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, 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
    • D06N2203/00Macromolecular materials of the coating layers
    • D06N2203/06Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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    • D06N2209/00Properties of the materials
    • D06N2209/10Properties of the materials having mechanical properties
    • D06N2209/103Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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    • D06N2209/12Permeability or impermeability properties
    • D06N2209/126Permeability to liquids, absorption
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    • D06N2209/00Properties of the materials
    • D06N2209/16Properties of the materials having other properties
    • D06N2209/1642Hardnes
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    • D06N2211/00Specially adapted uses
    • D06N2211/12Decorative or sun protection articles
    • D06N2211/20Packaging

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  • Engineering & Computer Science (AREA)
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  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
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  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

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

A kind of preparation method of the anti-soft-type packaging material of fries
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.
CN201910361012.XA 2019-04-30 2019-04-30 A kind of preparation method of the anti-soft-type packaging material of fries Pending CN110055763A (en)

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