CN103171813A - Splicing container for retaining freshness - Google Patents
Splicing container for retaining freshness Download PDFInfo
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- CN103171813A CN103171813A CN2012101747696A CN201210174769A CN103171813A CN 103171813 A CN103171813 A CN 103171813A CN 2012101747696 A CN2012101747696 A CN 2012101747696A CN 201210174769 A CN201210174769 A CN 201210174769A CN 103171813 A CN103171813 A CN 103171813A
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- preserving plate
- splicing
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Abstract
The invention provides a splicing container for retaining freshness. The container for retaining freshness comprises a container body for retaining freshness and a container cover matching with each other. The container body for retaining freshness comprises a bottom surface and a side wall. The side wall is of a double-layer structure with an inner side wall and an outer side wall. The inner side wall, the outer side wall and the bottom surface form a cavity for containing thermal insulation materials. The inner layer side wall is formed by splicing inner-layer boards for retaining freshness, and the outer side wall is formed by splicing outer-layer boards for retaining freshness. The inner-layer boards for retaining freshness, the outer-layer boards for retaining freshness and the bottom surface are all spliced to form the container body for retaining freshness. The inner-layer boards for retaining freshness, the outer-layer boards for retaining freshness and the container cover are all formed by waterproof and breathable particles and hydrophobic bonder by means of bonding and curing. Gaps through which gaseous molecules can permeate but liquid water molecules cannot permeate are formed between adjacent waterproof and breathable particles. The splicing container for retaining freshness can be installed in the field as required by the scale and has a good food freshness retaining effect.
Description
Technical field
The invention belongs to the food fresh keeping field, be specifically related to a kind of field erected large-scale sliceable antistaling container that is applicable to.
Background technology
Be accompanied by the raising of people's living standard, the resident is to food, particularly the freshness of vegetables, fruit and meat is had higher requirement, and the simple and easy antistaling container container that is widely used in food fresh keeping has become people's choosing of daily indispensability at home, it is not only convenient and practical, and food can be deposited categorizedly.Existing daily antistaling container mostly is the fine and close homogeneous film of being made by Natene, has diaphaneity, mechanical characteristics, toughness and elasticity preferably, and airtight body and aqueous vapor can prevent distributing of aqueous vapor well, can play certain preservation.But it is fresh-keeping that existing antistaling container normally carries out at normal temperatures, if run into summer, hot climate extremely easily causes corrosion, loses original flavor, and therefore, freshness date is not long.In order to prolong storage period, the heat-proof quality of also having developed some containers itself in prior art is antistaling container preferably, for example utilize pottery as the antistaling container of material preparation, but the permeability of this type of antistaling container is relatively poor, has also affected to a certain extent the fresh keeping property for the treatment of storage food.
The applicant researchs and develops out a kind of antistaling container with excellent air permeability and good heat insulation fresh keeping property through careful, but the structure that this antistaling container is formed in one, only be only applicable to the fresh-keeping use of smaller size smaller, exist for the larger fresh-keeping demand of volume and install and transport inconvenient problem.
Summary of the invention
Problem to be solved by this invention is to provide a kind of and is applicable to the fresh-keeping demand of larger volume and is easy to field erected sliceable antistaling container.
in order to address the above problem, sliceable antistaling container of the present invention, comprise adaptive antistaling container main body and container cover, described antistaling container main body comprises bottom surface and sidewall, described sidewall is the double-decker with internal layer sidewall and outer sidewall, described internal layer sidewall, consist of the cavity that holds thermal insulation material between outer sidewall and described bottom surface, described internal layer sidewall by the internal layer freshness preserving plate by being spliced to form, described outer sidewall by outer freshness preserving plate by being spliced to form, between described internal layer freshness preserving plate and described outer freshness preserving plate and described bottom surface all by being spliced to form described antistaling container main body,
Described internal layer freshness preserving plate, outer freshness preserving plate and described container cover form by waterproof and breathable particle and hydrophobic nature adhesive agent adhesive solidification, and forming gaseous molecular between adjacent described waterproof and breathable particle can see through but the impervious hole of liquid water molecules.
Splice fixing between adjacent described outer freshness preserving plate and described bottom surface by deck, described deck inboard forms the draw-in groove that holds respectively described outer freshness preserving plate and described bottom surface, and described internal layer freshness preserving plate is connected in the groove that takes shape in place, described bottom surface and achieves a fixed connection.
Fixing by described deck splicing between adjacent described sidewall and described bottom surface, described deck inboard forms the draw-in groove that holds respectively described outer freshness preserving plate and described bottom surface, and the preformed part that described outer freshness preserving plate and described internal layer freshness preserving plate are connected to form is connected in described draw-in groove and achieves a fixed connection.
Described bottom surface is positioned on the close described antistaling container main body one side projection that forms described draw-in groove.
Two splice ends that adjacent described internal layer freshness preserving plate splices mutually form respectively adaptive splicing breach and splicing projection, and the splicing that cooperatively interacts by described splicing breach and described splicing projection realizes that the splicing of adjacent described internal layer freshness preserving plate fixes.
Two splice ends that adjacent described outer freshness preserving plate splices mutually form respectively splicing breach and splicing projection, and the splicing that cooperatively interacts by described splicing breach and described splicing projection realizes that the splicing of adjacent described outer freshness preserving plate fixes.
The width of described splicing breach equals to splice the thickness of the described freshness preserving plate of cooperation.
Described antistaling container also comprise cover on described container body uncovered and with the closely cooperate internal layer lid of sealing of the internal layer sidewall of described container body, described internal layer lid is formed by waterproof and breathable particle and hydrophobic nature adhesive agent bonding, and forming gaseous molecular between adjacent waterproof and breathable particle can see through but the impervious hole of liquid water molecules.
Be equipped with deck between adjacent described sidewall and described container cover and realize that splicing is fixing.
The thickness of described internal layer freshness preserving plate, outer freshness preserving plate is 0.5-3cm, and the thickness of described bottom surface is 0.5-3cm.
Described antistaling agent is one or more in wetting ability lightweight bulking meterial, light thermal-insulation expanded beads material, natural sand, water or mixture of ice and water.
Described waterproof and breathable particle comprises particles of aggregates and the lyophobic dust that is coated on described particles of aggregates, described lyophobic dust is the hydrophobic resin film that is coated on described particles of aggregates, and described hydrophobic resin film is by one or more films that form in hydrophobic epoxy resin, phenol resin, urethane resin and silicone resin.
Described lyophobic dust accounts for the 1-8% of described waterproof and breathable particle total weight parts.
With respect to the waterproof and breathable particle of 100 weight portions, the content of described hydrophobic nature adhesive agent is the 1-20 weight portion.
Described hydrophobic nature adhesive agent is selected from one or more in hydrophobic epoxy resin, hydrophobic phenol resin, hydrophobic polyurethane resin, alkide resin and organic siliconresin.
Described particles of aggregates is selected from one or more in quarz sand, slag, haydite and micro glass bead; The average diameter of particles of described particles of aggregates is 0.04-0.85mm.
Between described internal layer freshness preserving plate, between described outer freshness preserving plate, and the splicing between described internal layer freshness preserving plate and described bottom surface, described outer freshness preserving plate and described bottom surface is sentenced the hydrophobic nature adhesive agent and is bonded and sealed.
Antistaling container of the present invention has following advantage with respect to prior art:
1, antistaling container main body of the present invention is inside and outside layer double-decker, form the cavity that can hold thermal insulation material between ectonexine, utilize thermal insulation material effectively to guarantee the low-temperature condition of described antistaling container, the Growth and Reproduction of anti-bacteria effectively, thus play the cooled fresh-keeping effect;
2, in antistaling container main body of the present invention, skin all adopts waterproof and breathable particle and hydrophobic nature adhesive agent adhesive solidification to form, forming gaseous molecular between adjacent waterproof and breathable particle can see through but the impervious hole of liquid water molecules, therefore, make the sidewall of described antistaling container main body form that gas can see through but structure that hydrone does not see through, can effectively guarantee to place the space for the treatment of preservation liquid and deposit gas fluidity between the space of thermal insulation material, the gas needs of preservation liquid are treated in assurance, simultaneously because liquid can not ooze out, therefore described antistaling container also is applicable to the fresh-keeping use of fluent,
3, described antistaling container main body adopts internal layer warming plate and outer warming plate to be spliced to form the mode of inside and outside layer sidewall, can splice at the construction field (site) installation, not only convenient transportation but also easy for installation, can make the freshness preserving plate of proper scale according to the size of required antistaling container, make large-sized antistaling container to satisfy the needs of different occasions;
4, splice mutually by deck between described outer freshness preserving plate and described bottom surface, the convenient installation also helps the installation between adjacent wall to fix simultaneously on the one hand;
5, described internal layer freshness preserving plate is connected in the groove of described bottom surface, has realized being connected of internal layer freshness preserving plate and bottom surface with the simplest structure and mounting means, quick for installation convenient fixed effect is better simultaneously;
6, the most more convenient type of attachment first is connected to form preformed part with described outer freshness preserving plate and described internal layer freshness preserving plate, and it is connected in the draw-in groove of described deck achieves a fixed connection;
7, adjacent described internal layer forms adaptive splicing breach and splicing projection respectively with two splice ends that outer freshness preserving plate splices mutually, the splicing that cooperatively interacts by described splicing breach and described splicing projection realizes that the splicing of adjacent inner layer and outer freshness preserving plate fixes, and helps the captive joint between freshness preserving plate simultaneously easy for installation;
8, described thermal insulation material is selected wetting ability lightweight bulking meterial, light thermal-insulation expanded beads material or natural sand, with respect to heat insulation media such as existing water commonly used or ice cubes, its heat-proof quality is better, and the rear temperature traverse of being heated is less, can make fresh keeping time longer, fresh keeping property is better;
9, described antistaling container main body integral body is the structure of waterproof and breathable, in the situation that guarantee gas communication, prevent bacteria breed, also avoids outside moisture to infiltrate in container, has guaranteed the dry environment in container, helps the fresh-keeping of food.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Fig. 1 is the longitudinal sectional view of antistaling container of the present invention;
Fig. 2 is the block diagram of antistaling container of the present invention;
Fig. 3 is the structural representation of the deck of antistaling container of the present invention;
In figure, Reference numeral is expressed as: 1-container body, the outer freshness preserving plate of 2-, 3-internal layer freshness preserving plate, 4-cavity, 5-deck, 6-draw-in groove, 7-container cover, 8-groove, 9-projection, 10-internal layer lid.
The specific embodiment
as Figure 1-3, antistaling container of the present invention, comprise adaptive antistaling container main body 1 and container cover 7, described antistaling container main body 1 is double-decker, described antistaling container main body 1 comprises bottom surface and sidewall, described sidewall is the double-decker with internal layer sidewall and outer sidewall, described internal layer sidewall, consist of the cavity 4 that holds thermal insulation material between outer sidewall and described bottom surface, described internal layer sidewall by internal layer freshness preserving plate 3 by being spliced to form, described outer sidewall by outer freshness preserving plate 2 by being spliced to form, between described internal layer freshness preserving plate 3 and described outer freshness preserving plate 2 and described bottom surface all by being spliced to form described antistaling container main body 1, described container cover 7 cover on described antistaling container main body 1 uncovered and with the sealing that closely cooperates of the outer field sidewall of described antistaling container main body 1.The internal layer of described antistaling container, skin and described container cover 7 form by waterproof and breathable particle and hydrophobic nature adhesive agent bonding, and forming gaseous molecular between adjacent waterproof and breathable particle can see through but the impervious hole of liquid water molecules; Described antistaling container also comprise cover on described antistaling container main body 1 uncovered and with the closely cooperate internal layer lid 10 of sealing of the internal layer sidewall of described container body, described internal layer lid 10 is formed by waterproof and breathable particle and hydrophobic nature adhesive agent bonding, and forming gaseous molecular between adjacent waterproof and breathable particle can see through but the impervious hole of liquid water molecules.
The pore configuration of the internal layer of described antistaling container main body 1 and outer field sidewall and bottom and container cover 7 and internal layer lid 10 is not particularly limited, as long as can prevent that the cooling media in cavity from infiltration occuring, under preferable case, the mean diameter of described hole is 0.001-0.3mm, preferred 0.01-0.2mm, the pore-solids ratio of hole is 20-50%, preferred 25-35%.
Described thermal insulation material is one or more in wetting ability lightweight bulking meterial, light thermal-insulation expanded beads material or natural sand, the natural grains of sand of the expanded material such as preferred fine perlite, wetting ability amargosite, polyethylene, polyphenyl expanded beads and coarseness of grading.According to the present invention, in order further to improve the effect of food fresh-keeping, preferably, can add cooling system conditioner in described cavity, and the temperature of described cooling system conditioner more preferably 0-3 ℃, so just can reach good cooled fresh-keeping effect not higher than 3 ℃ in the past.The present invention is not particularly limited the kind of described cooling system conditioner, can be existing various cooling system conditioners, as long as have cooling performance preferably, and environment is not got final product, and for example, can be one or more in water, frozen water mixed liquor and condensation air.
The present invention is not particularly limited the consumption of described cooling system conditioner, but it is not good for fear of the very few cooling performance that causes of the consumption of cooling system conditioner, and the cooling system conditioner consumption too much causes described cooling system conditioner to be spilled over to problem in food, preferably, when described cooling system conditioner was water or frozen water mixed liquor, the volume of described cooling system conditioner was the 1/3-2/3 of cavity volume; When described cooling system conditioner was condensation air, described cooling system conditioner preferably was full of whole cavity.
As Figure 1-3, in the outer sidewall of described antistaling container main body 1, fixing by deck 5 splicings between adjacent described outer freshness preserving plate 2 and described bottom surface, described deck 5 inboards form the draw-in groove 6 that holds respectively described outer freshness preserving plate and can hold the notch of described bottom surface, and described internal layer freshness preserving plate 3 is connected in the groove 8 that takes shape in place, described bottom surface and achieves a fixed connection.Two splice ends that adjacent described internal layer freshness preserving plate 3 splices mutually form respectively adaptive splicing breach and splicing projection, and the splicing that cooperatively interacts by described splicing breach and described splicing projection realizes that the splicing of adjacent described internal layer freshness preserving plate 3 fixes.Make and install unified for convenient, the width of described splicing breach equals to splice the thickness of the described internal layer freshness preserving plate 3 of cooperation.
As preferred structure, two splice ends that adjacent described outer freshness preserving plate 2 splices mutually form respectively splicing breach and splicing projection, and the splicing that cooperatively interacts by described splicing breach and described splicing projection realizes that the splicing of adjacent described outer freshness preserving plate 2 fixes.Same, the width of described splicing breach equals to splice the thickness of the described outer freshness preserving plate 2 of cooperation.
As structure that can conversion, fixing by described deck 5 splicings between adjacent described sidewall and described bottom surface, described deck 5 inboards form the draw-in groove 6 that holds respectively described outer freshness preserving plate 2 and hold the notch of described bottom surface, and the preformed part that described outer freshness preserving plate 2 and described internal layer freshness preserving plate 3 are connected to form is connected in described draw-in groove 6 and achieves a fixed connection.
As structure that can conversion, in order to simplify the structure of described deck 5, described bottom surface can be positioned on the close described antistaling container main body 1 one side projections 9 that form described draw-in groove 6.
Further, be equipped with the deck 5 identical with place, aforementioned bottom surface between adjacent described sidewall and described container cover 7 and realize that splicing is fixing.
More excellent, between described internal layer freshness preserving plate, between described outer freshness preserving plate, and the splicing between described internal layer freshness preserving plate and described bottom surface, described outer freshness preserving plate and described bottom surface sentences the hydrophobic nature adhesive agent and is bonded and sealed, the hydrophobic nature binder phase in best described hydrophobic nature adhesive agent and described outer freshness preserving plate with.
According to the present invention, the thickness of the internal layer of described antistaling container and outer field sidewall and bottom can be identical, also can be different.But for the ease of making, generally, described internal layer is identical with bottom thickness with outer field sidewall.And the thickness of described internal layer and outer field sidewall and bottom can in very large range change, and can carry out as the case may be choose reasonable.Under preferable case, the thickness of the sidewall of described internal layer is 0.5-3cm, and the thickness of outer field sidewall is 0.5-3cm; The thickness of the bottom of described internal layer is 0.5-3cm, and the thickness of outer field bottom is 0.5-3cm.
The present invention is not particularly limited the width of described cavity and the volume size of cavity, can reasonably select according to actual conditions, in order to make described cavity can store a certain amount of cooling system conditioner, thereby effectively the freshness date of food and extend gets final product, under preferable case, the width of described cavity (being the distance between the outside face of sidewall of the inside face of outer field sidewall and internal layer) is 1-10cm, and the volume of described cavity is 10-1000cm
3
The present invention is not particularly limited the content of described waterproof and breathable particle and hydrophobic nature adhesive agent, all have good water resistance as long as satisfy internal layer that the mixture solidified by described waterproof and breathable particle and hydrophobic nature adhesive agent forms and outer field sidewall and bottom and container cover, and have certain intensity and get final product.Preferably, with respect to the waterproof and breathable particle of 100 weight portions, the content of described hydrophobic nature adhesive agent is the 1-20 weight portion, more preferably the 2-15 weight portion.
Described waterproof and breathable particle comprises particles of aggregates and the lyophobic dust that is coated on described particles of aggregates, described lyophobic dust is the hydrophobic resin film that is coated on described particles of aggregates, and described hydrophobic resin film is by one or more films that form in hydrophobic epoxy resin, phenol resin, urethane resin and silicone resin.Described lyophobic dust accounts for the 1-8% of described waterproof and breathable particle total weight parts.
According to the present invention, described particles of aggregates can be various particless of aggregates known in those skilled in the art, and preferably, described particles of aggregates can be independently selected from one or more in quarz sand, slag, haydite and micro glass bead.The average grain mean diameter of described particles of aggregates can in very large range change, and can select according to actual needs the size that is fit to, under preferable case, the average diameter of particles of described particles of aggregates is 0.04-0.85mm, more preferably 0.12-0.70mm.
The present invention also provides a kind of food fresh-keeping method, comprises food is sealed in step in above-mentioned antistaling container.
The present invention is not particularly limited the kind of described hydrophobic substance, can variously can be used for forming clad and have hydrophobic material for known in the field.For example, described hydrophobic substance can be selected from one or more in hydrophobic resin, polytetrafluoroethylene, vegetable oil, silicone, hydrocarbon and combined polymerization Vingon; Described hydrophobic resin can be various hydrophobic resins, for example, can be selected from one or more in hydrophobic epoxy resin, hydrophobic phenol resin, hydrophobic polyurethane resin, alkide resin and organic siliconresin; Described hydrocarbon can be selected from one or more in paraffin, kerosene, diesel oil, crude oil and petroleum distillate usually.
according to the present invention, described hydrophobic epoxy resin is preferably selected from the glycidol ether based epoxy resin, the ethylene oxidic ester based epoxy resin, the diglycidyl amine epoxy resin, aliphatic category epoxy resin, polysulfide-rubber-modified epoxy, the amilan modified epoxy, polyvinyl alcohol uncle butyraldehyde modified epoxy, acrylonitrile butadiene rubber modified epoxy resin, phenolic resin modified epoxy resin, the alkide resin modified epoxy, urea aldehyde Melamine resin modified epoxy resin, the furfuryl resin modified epoxy, the vinyl modified epoxy, one or more in isocyanate modified epoxy resin and silicone resin modified epoxy.Described hydrophobic phenol resin is preferably selected from one or more in dimethylbenzene phenol-formaldehyde resin modified, epoxy resin modification phenol resin and Effect of Organosilicon-modified Phenol-formaldehyde Resin.
According to the present invention, when described hydrophobic substance is hydrophobic resin, can add curing agent in system, and the kind of described curing agent can be selected reasonably according to described hydrophobic resin.for example, for the glycidol ether based epoxy resin, the ethylene oxidic ester based epoxy resin, the diglycidyl amine epoxy resin, aliphatic category epoxy resin, polysulfide-rubber-modified epoxy, the amilan modified epoxy, polyvinyl alcohol uncle butyraldehyde modified epoxy, acrylonitrile butadiene rubber modified epoxy resin, phenolic resin modified epoxy resin, the alkide resin modified epoxy, urea aldehyde Melamine resin modified epoxy resin, the furfuryl resin modified epoxy, the vinyl modified epoxy, when isocyanate modified epoxy resin and silicone resin modified epoxy, described curing agent is preferably selected from fatty amine, aliphatic cyclic amine, aromatic amine, polyamide, one or more in acid anhydrides and tertiary amine, for dimethylbenzene phenol-formaldehyde resin modified, epoxy resin modification phenol resin and Effect of Organosilicon-modified Phenol-formaldehyde Resin, described curing agent is preferably selected from hexamethylenetetramine, for described hydrophobic polyurethane resin, described curing agent is preferably selected from the prepolymer of affixture, TDI and hydroxy-containing component of toluene diisocyanate (TDI), Trimethoprim (TMP) and the tripolymer of TDI, for unsaturated polyester (UP) (being generally the poly-mer of terephthalic acid and ethylene glycol), the curing agent that adds during normal temperature is preferably selected from one or more in ketone peroxide and cobalt naphthenate, and the curing agent that adds during heating is preferably selected from one or more in peroxidized t-butyl perbenzoate, peroxy dicarbonate, dialkyl peroxide, the own ester of peroxidation acid uncle and bis peroxy dicarbonate, for organic siliconresin, described curing agent is preferably selected from dibutyl tin dilaurate and N, N, N, one or more in N-tetramethyl guanidinesalt.With respect to the described hydrophobic resin of 100 weight portions, the content of described curing agent can be the 1-20 weight portion, is preferably the 5-18 weight portion.
According to the present invention, the method of described particles of aggregates surface coated by hydrophobic material layer can adopt the method for the formation clad of this area routine, for example, described hydrophobic substance can be coated on described particles of aggregates, and the method for described coating can apply described particles of aggregates with chemistry for spraying, flood or soaking described particles of aggregates in the solution of hydrophobic substance; Perhaps be coated on described particles of aggregates for the thin-film sheet with hydrophobic substance; Perhaps for the described particles of aggregates that will heat is positioned in lyophobic dust, the melting lyophobic dust is to described particles of aggregates; Perhaps the mode for plating, plasma spraying, sputter, fluidisation and powder coated is coated to lyophobic dust on described particles of aggregates.
According to the present invention, preferably, the preparation method of described overlay film particles of aggregates comprises particles of aggregates is mixed with the curing agent that hydrophobic substance and selectivity contain, stir, and forming and hardening.
The condition of described curing can suitably be selected according to the kind of the concrete hydrophobic substance that uses, and is not particularly limited.Usually, the condition of described curing comprises: the time of curing is 0.5-30 minute, and the temperature of curing is 50-400 ℃.Preferably, the condition of described curing comprises: the time of curing is 1-20 minute, and the temperature of curing is 80-240 ℃.
Further preferably, the step of the overlay film particles of aggregates that the method also comprises is cooling, broken, screening obtains is to control particle diameter.Cooling condition is not had special requirement, preferably be cooled to room temperature.In addition, can adopt conventional fragmentation and method for sieving.
Under preferable case, before the curing agent that particles of aggregates and hydrophobic substance and selectivity are contained mixes, can also first soak described particles of aggregates with oily matter, make the particles of aggregates after immersion have better hydrophobic effect, and be easier to react with hydrophobic substance, described oily matter can select at least a in normal hexane, 120# solvent naphtha, rapeseed oil, arachisoil, sunflower oil, soybean oil and salad oil.
The present invention has no particular limits the selection of described hydrophobic nature adhesive agent, can be various hydrophobic nature adhesive agents known in those skilled in the art.Described hydrophobic nature adhesive agent is one or more in hydrophobic epoxy resin, hydrophobic phenol resin, hydrophobic polyurethane resin, alkide resin and organic siliconresin preferably.For example can be selected from one or more in hydrophobic epoxy resin, hydrophobic phenol resin, hydrophobic polyurethane resin, alkide resin and organic siliconresin.In the concrete kind of described hydrophobic epoxy resin and hydrophobic phenol resin and above-mentioned hydrophobic resin, hydrophobic epoxy resin is identical with the hydrophobic phenol resin.And can also contain curing agent in the compound of described particles of aggregates and hydrophobic adhesive agent, kind and the content of the curing agent that the kind of described curing agent and content contain in can hydrophobic resin layer surface coated according to overlay film particles of aggregates mentioned above are reasonably selected, and do not repeat them here.
According to the present invention, the method for the moulding of described antistaling container can comprise mixes particles of aggregates and hydrophobic nature adhesive agent, obtains compound; This compound is entered into the antistaling container forming mould, and be cured to form described antistaling container under cure condition.
The present invention is not particularly limited the condition of described curing, and generally, the condition of described curing comprises the temperature of curing and the time of curing, and the temperature of described curing can be 5-120 ℃, is preferably 20-50 ℃; The time of solidifying can be 1-48 hour, is preferably 1-4 hour.
The method of food fresh-keeping provided by the invention comprises food is sealed in antistaling container, and wherein, described antistaling container is above-mentioned antistaling container.
The present invention is further illustrated below with reference to embodiment, but therefore do not limit the present invention.
In following Preparation Example, the mean diameter of the hole of the microcellular structure of the skin of the antistaling container that obtains with determination of electron microscopy and the sidewall of internal layer and bottom and container cover and internal layer lid; And adopt drainage to record corresponding pore-solids ratio.
In following examples, quarz sand is available from blue sky, Yongdeng quarz sand Co., Ltd; Haydite is available from Ningbo Chinese haydite building materials Co., Ltd; Micro glass bead is available from the positive glasswork Co., Ltd of Yongqing County China.
Producer and the trade mark of hydrophobic nature adhesive agent, hydrophobic resin and curing agent are as follows:
Liquid polyethylene alcohol uncle butyraldehyde modified epoxy: Shandong Shengquan Chemical Industry Co., Ltd., PF5415;
Amilan modified epoxy: Fuqing trump Fine Chemical Co., Ltd, Kingcure400;
Organic siliconresin: DOW CORNING (U.S.), EE1100;
Urethane resin: Shandong Shengquan Chemical Industry Co., Ltd., EXP0329;
Polyamide curing agent: Fuqing trump Fine Chemical Co., Ltd, Kingcure540W60;
Dibutyl tin dilaurate: Shanghai Yuan Ji chemical industry Co., Ltd, Dabco T-12;
The TDI tripolymer: Shunde City is strangled stream town rich high coating factory, BG350TB.
Preparation Example 1
The present embodiment is used for illustrating the preparation of waterproof and breathable particle provided by the invention.
The quarz sand that is 0.25mm with 100 gram average diameter of particles is heated to 50 ℃, afterwards, adds liquid polyethylene alcohol uncle butyraldehyde modified epoxy 5 grams, fully stirs, then adds polyamide curing agent 1 gram, stirs, and makes epoxy resin at the quartz sand surface overlay film; Then, be cooled to room temperature, obtain the waterproof and breathable particle after broken, screening, by weight method, calculate, take the total weight of described waterproof and breathable particle as benchmark, the content of hydrophobic substance clad is 6 % by weight.
Preparation Example 2
The present embodiment is used for illustrating the preparation of waterproof and breathable particle provided by the invention.
The haydite that is 0.23mm with 100 gram average diameter of particles is heated to 50 ℃, afterwards, adds organic siliconresin 4 grams, fully stirs, then adds dibutyl tin dilaurate curing agent 0.5 gram, stirs, and makes organic siliconresin at the quartz sand particle surface coating; Then, be cooled to room temperature, obtain the waterproof and breathable particle after broken, screening, by weight method, calculate, take the total weight of waterproof and breathable particle as benchmark, the content of hydrophobic substance clad is 4.3 % by weight.
Preparation Example 3
The present embodiment is used for illustrating the preparation of waterproof and breathable particle provided by the invention.
Be that the quarz sand of 0.25mm and micro glass bead that 50 gram average diameter of particles are 0.31mm mix and be heated to 50 ℃ with 50 gram average diameter of particles, afterwards, add liquid polyurethane resin 2 grams, fully stir, add again TDI trimer curing agent 0.2 gram, stir, make urethane resin at quarz sand and micro glass bead surface coating; Then, be cooled to room temperature, obtain the waterproof and breathable particle after broken, screening, by weight method, calculate, take the total weight of waterproof and breathable particle as benchmark, the content of hydrophobic substance clad is 2.2 % by weight.
Embodiment 1
The present embodiment is used for the preparation of explanation antistaling container.
The 107 weight portion waterproof and breathable particles that embodiment 1 is made and 15 weight portion liquid polyethylenes alcohol uncle's butyraldehyde modified epoxy and 1 weight parts of polyamide curing agent mix and obtain compound, this compound is placed in mould, solidified 1 hour under 120 ℃, the thickness that obtains internal layer and outer field sidewall and bottom surface is 1cm, the thickness of container cover is 1cm, the width of cavity is 1cm, and the volume of cavity is 40cm
3Antistaling container.The internal layer of this antistaling container and outer field sidewall and bottom surface and container cover all have gaseous molecular and can see through but the impervious open texture of liquid water molecules, the mean diameter of the hole of described open texture is 0.05mm, pore-solids ratio is 25.6%, and use according to the assembling of the structure of antistaling container at the construction field (site), and will splice the sealing place with liquid polyethylene alcohol uncle butyraldehyde modified epoxy and be bonded and sealed.
Embodiment 2
The present embodiment is used for the preparation of explanation antistaling container.
The 104.5 weight portion waterproof and breathable particles that embodiment 1 is made and 2 weight portion organic siliconresins and 0.5 weight portion dibutyl tin dilaurate curing agent mix and obtain compound, this compound is placed in mould, solidified 1 hour under 120 ℃, the thickness that obtains internal layer and outer field sidewall and bottom surface is 0.5cm, the thickness of container cover and internal layer lid is 0.5cm, the width of cavity is 2cm, and the volume of cavity is 100cm
3Antistaling container.The internal layer of this antistaling container and outer field sidewall, internal layer and outer field bottom and container cover have gaseous molecular and can see through but the impervious open texture of liquid water molecules, the mean diameter of the hole of described open texture is 0.19mm, pore-solids ratio is 35.1%, and use according to the assembling of the structure of antistaling container at the construction field (site), and will splice the sealing place with urethane resin and be bonded and sealed.
Embodiment 3
The present embodiment is used for the preparation of explanation antistaling container.
The 102.2 weight portion waterproof and breathable particles that embodiment 1 is made and 8 weight portion liquid polyurethanes and 1 weight portion TDI trimer curing agent mix and obtain compound, this compound is placed in mould, solidified 1 hour under 120 ℃, obtain internal layer and outer field sidewall, outer field bottom thickness is 2cm, the thickness of container cover is 2cm, the width of cavity is 1.5cm, and the volume of cavity is 150cm
3Antistaling container.The internal layer of this antistaling container and outer field sidewall, outer field bottom and container cover have gaseous molecular and can see through but the impervious open texture of liquid water molecules, the mean diameter of the hole of described open texture is 0.15mm, pore-solids ratio is 31.2%, and use according to the assembling of the structure of antistaling container at the construction field (site), and will splice the sealing place with organic siliconresin and be bonded and sealed.
Embodiment 4
The present embodiment is used for the preparation of explanation antistaling container.
Method according to embodiment 1 prepares antistaling container, and different is that the waterproof and breathable particle that embodiment 1 makes replaces with quarz sand.The internal layer of this antistaling container and outer field sidewall, internal layer and outer field bottom and container cover have gaseous molecular and can see through but the impervious open texture of liquid water molecules, the mean diameter of the hole of described open texture is 0.22mm, pore-solids ratio is 35.7%, and uses according to the structure assembling of antistaling container at the construction field (site).
Comparative Examples 1
This Comparative Examples is used for the preparation of explanation reference antistaling container.
Method according to embodiment 1 prepares this antistaling container, and different is that described antistaling container includes only outer field sidewall, outer field bottom and container cover, does not comprise the sidewall of internal layer.The outer field sidewall of this antistaling container, outer field bottom and container cover have gaseous molecular and can see through but the impervious open texture of liquid water molecules, and the mean diameter of the hole of described open texture is 0.09mm, and pore-solids ratio is 25.6%.
Comparative Examples 2
This Comparative Examples is used for the preparation of explanation reference antistaling container.
Method according to Comparative Examples 1 prepares this antistaling container, and different is that described antistaling container is made by Natene.This antistaling container has fine and close structure uniformly.
The present embodiment is used for explanation and adopts antistaling container provided by the invention to carry out fresh-keeping to food.
Add expanded perlite in the cavity of the antistaling container of embodiment 1, food is sealed in the antistaling container internal layer, with the fall fresh keeping property of the described antistaling container of method test of quantity of microscopic examination viable bacteria, according to state health standards, viable bacteria in normal food falls sum when reaching 108/g, can think the incipient spoilage stage that is in, namely food occurs rotten.Acquired results (wherein, described fresh keeping time refers to adopt antistaling container to store food, until food reaches the storage time in incipient spoilage stage) as shown in table 1.
The present embodiment is used for the explanation antistaling container and carries out fresh-keeping to food.
Add the natural grains of sand in the cavity of the antistaling container of the gained in the embodiment 2, food is sealed in antistaling container, with observing the fall fresh keeping property of the described antistaling container of method test of quantity of viable bacteria, acquired results is as shown in table 1.
Embodiment 7
The present embodiment is used for the explanation antistaling container and carries out fresh-keeping to food.
Add polyphenyl expanded beads and bentonitic compound in the cavity of the antistaling container of the gained in the embodiment 3, food is sealed in antistaling container, with observing the fall fresh keeping property of the described antistaling container of method test of quantity of viable bacteria, acquired results is as shown in table 1.
Embodiment 8
The present embodiment is used for the explanation antistaling container and carries out fresh-keeping to food.
Add the natural grains of sand in the cavity of the antistaling container of the gained in the embodiment 4, and volume is 1/2 cooling system conditioner frozen water mixed liquor of cavity volume, the temperature of described cooling system conditioner is 0 ℃, food is sealed in antistaling container, with observing the fall fresh keeping property of the described antistaling container of method test of quantity of viable bacteria, acquired results is as shown in table 1.
Comparative Examples 3
The antistaling container that the present embodiment is used for the explanation reference carries out fresh-keeping to food.
Food is sealed in by in the prepared antistaling container of Comparative Examples 1, and with observing the fall fresh keeping property of the described antistaling container of method test of quantity of viable bacteria, acquired results is as shown in table 1.
Comparative Examples 4
The antistaling container that the present embodiment is used for the explanation reference carries out fresh-keeping to food.
Food is sealed in by in the prepared antistaling container of Comparative Examples 2, and with observing the fall fresh keeping property of the described antistaling container of method test of quantity of viable bacteria, acquired results is as shown in table 1.
Comparative Examples 5
Add mixture of ice and water in the cavity of the antistaling container of the gained in the embodiment 2, the temperature of mixture of ice and water is 0 ℃, food is sealed in antistaling container, and with observing the fall fresh keeping property of the described antistaling container of method test of quantity of viable bacteria, acquired results is as shown in table 1.
Comparative Examples 6
The present embodiment adopt sir-tight pottery be material make with embodiment 2 in the antistaling container structure that obtains and measure-alike antistaling container, and add the natural grains of sand as thermal insulation material in cavity, food is sealed in antistaling container, with observing the fall fresh keeping property of the described antistaling container of method test of quantity of viable bacteria, acquired results is as shown in table 1.
Each embodiment of table 1 and the contrast of Comparative Examples fresh keeping property
From the results shown in Table 1, utilize antistaling container provided by the invention to carry out fresh-keeping to food, fresh keeping time is carried out the fresh-keeping time greater than the antistaling container that utilizes reference to food, and utilize thermal insulation material of the present invention to carry out preserve test, the fresh keeping property of its fresh keeping property when making merely water or mixture of ice and water be heat insulation medium, this shows, antistaling container provided by the invention has good fresh-keeping effect.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the invention.
Claims (17)
1. a sliceable antistaling container, comprise adaptive antistaling container main body (1) and container cover (7), it is characterized in that:
Described antistaling container main body (1) comprises bottom surface and sidewall, described sidewall is the double-decker with internal layer sidewall and outer sidewall, consist of the cavity (4) that holds thermal insulation material between described internal layer sidewall, outer sidewall and described bottom surface, described internal layer sidewall by internal layer freshness preserving plate (3) by being spliced to form, described outer sidewall by outer freshness preserving plate (2) by being spliced to form, between described internal layer freshness preserving plate (3) and described outer freshness preserving plate (2) and described bottom surface all by being spliced to form described antistaling container main body (1);
Described internal layer freshness preserving plate (3), outer freshness preserving plate (2) and described container cover (7) form by waterproof and breathable particle and hydrophobic nature adhesive agent adhesive solidification, and forming gaseous molecular between adjacent described waterproof and breathable particle can see through but the impervious hole of liquid water molecules.
2. sliceable antistaling container according to claim 1 is characterized in that:
Fixing by deck (5) splicing between adjacent described outer freshness preserving plate (2) and described bottom surface, described deck (5) inboard forms the draw-in groove (6) that holds respectively described outer freshness preserving plate (2) and described bottom surface, and described internal layer freshness preserving plate (3) is connected in the groove (8) that takes shape in place, described bottom surface and achieves a fixed connection.
3. sliceable antistaling container according to claim 1 is characterized in that:
Fixing by described deck (5) splicing between adjacent described sidewall and described bottom surface, described deck (5) inboard forms the draw-in groove (6) that holds respectively described outer freshness preserving plate (2) and described bottom surface, and the preformed part that described outer freshness preserving plate (2) and described internal layer freshness preserving plate (3) are connected to form is connected in described draw-in groove (6) and achieves a fixed connection.
4. according to claim 2 or 3 described sliceable antistaling containers is characterized in that:
Described bottom surface is positioned on close described antistaling container main body (1) the one side projection (9) that forms described draw-in groove (6).
5. according to claim 1-4 arbitrary described sliceable antistaling containers is characterized in that:
Two splice ends that adjacent described internal layer freshness preserving plate (3) splices mutually form respectively adaptive splicing breach and splicing projection, and the splicing that cooperatively interacts by described splicing breach and described splicing projection realizes that the splicing of adjacent described internal layer freshness preserving plate (3) fixes.
6. sliceable antistaling container according to claim 5 is characterized in that:
Two splice ends that adjacent described outer freshness preserving plate (2) splices mutually form respectively splicing breach and splicing projection, and the splicing that cooperatively interacts by described splicing breach and described splicing projection realizes that the splicing of adjacent described outer freshness preserving plate (2) fixes.
7. according to claim 5 or 6 described sliceable antistaling containers is characterized in that:
The width of described splicing breach equals to splice the thickness of the described freshness preserving plate of cooperation.
8. according to claim 1-7 arbitrary described sliceable antistaling containers is characterized in that:
Described antistaling container also comprise cover on described container body uncovered and with the closely cooperate internal layer lid (10) of sealing of the internal layer sidewall of described container body, described internal layer lid (10) is formed by waterproof and breathable particle and hydrophobic nature adhesive agent bonding, and forming gaseous molecular between adjacent waterproof and breathable particle can see through but the impervious hole of liquid water molecules.
9. according to claim 1-8 arbitrary described sliceable antistaling containers is characterized in that:
Be equipped with deck (5) between adjacent described sidewall and described container cover (7) and realize that splicing is fixing.
10. according to claim 1-9 arbitrary described sliceable antistaling containers is characterized in that:
The thickness of described internal layer freshness preserving plate (3), outer freshness preserving plate (2) is 0.5-3cm, and the thickness of described bottom surface is 0.5-3cm.
11. according to claim 1-10 arbitrary described sliceable antistaling containers is characterized in that:
Described thermal insulation material is one or more in wetting ability lightweight bulking meterial, light thermal-insulation expanded beads material, natural sand, water or mixture of ice and water.
12. according to claim 1-11 arbitrary described sliceable antistaling containers is characterized in that:
Described waterproof and breathable particle comprises particles of aggregates and the lyophobic dust that is coated on described particles of aggregates, described lyophobic dust is the hydrophobic resin film that is coated on described particles of aggregates, and described hydrophobic resin film is by one or more films that form in hydrophobic epoxy resin, phenol resin, urethane resin and silicone resin.
13. antistaling container according to claim 12 is characterized in that:
Described lyophobic dust accounts for the 1-8% of described waterproof and breathable particle total weight parts.
14. according to claim 12 or 13 described antistaling containers is characterized in that:
With respect to the waterproof and breathable particle of 100 weight portions, the content of described hydrophobic nature adhesive agent is the 1-20 weight portion.
15. according to claim 12-14 arbitrary described antistaling containers is characterized in that:
Described hydrophobic nature adhesive agent is selected from one or more in hydrophobic epoxy resin, hydrophobic phenol resin, hydrophobic polyurethane resin, alkide resin and organic siliconresin.
16. according to claim 12-15 arbitrary described antistaling containers is characterized in that:
Described particles of aggregates is selected from one or more in quarz sand, slag, haydite and micro glass bead; The average diameter of particles of described particles of aggregates is 0.04-0.85mm.
17. according to claim 1-16 arbitrary described antistaling containers is characterized in that:
Between described internal layer freshness preserving plate, between described outer freshness preserving plate, and the splicing between described internal layer freshness preserving plate and described bottom surface, described outer freshness preserving plate and described bottom surface is sentenced the hydrophobic nature adhesive agent and is bonded and sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174769.6A CN103171813B (en) | 2012-05-30 | 2012-05-30 | A kind of sliceable antistaling container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174769.6A CN103171813B (en) | 2012-05-30 | 2012-05-30 | A kind of sliceable antistaling container |
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| CN103171813A true CN103171813A (en) | 2013-06-26 |
| CN103171813B CN103171813B (en) | 2015-09-16 |
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| CN103738565A (en) * | 2013-12-28 | 2014-04-23 | 广州赛能冷藏科技有限公司 | Circulating box |
| CN104369986A (en) * | 2014-08-18 | 2015-02-25 | 孙艳艳 | Fruit fresh-keeping box |
| WO2017045231A1 (en) * | 2015-09-18 | 2017-03-23 | 甄世华 | Modular mold for making hollow ice-cream brick |
| CN108419539A (en) * | 2018-02-12 | 2018-08-21 | 黔西南州成章农业发展有限公司 | A kind of stem of noble dendrobium antistaling box |
| CN108569482A (en) * | 2018-06-14 | 2018-09-25 | 河南飞鸿冷链设备有限公司 | Have enough to meet the need incubator |
| CN112357306A (en) * | 2020-11-24 | 2021-02-12 | 魏巍 | Quick-opening type anti-spilling fast food packaging box for food packaging |
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| CN103171813B (en) | 2015-09-16 |
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