CN1154602C - Container capable of being fast degraded and its producing method - Google Patents
Container capable of being fast degraded and its producing method Download PDFInfo
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- CN1154602C CN1154602C CNB011449209A CN01144920A CN1154602C CN 1154602 C CN1154602 C CN 1154602C CN B011449209 A CNB011449209 A CN B011449209A CN 01144920 A CN01144920 A CN 01144920A CN 1154602 C CN1154602 C CN 1154602C
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Abstract
The present invention relates to a container capable of being rapidly degraded and a manufacturing method thereof. A main body structure of the container capable of being rapidly degraded comprises a middle base layer, an inner water proof layer and an outer water proof layer, wherein the middle base layer is corn foam made from corn cob fiber powder and grains, and the inner water proof layer and the outer water proof layer are films which are respectively formed by spraying and painting biogum with high and low concentration. The container is manufactured by heating a mixture of the corn cob fiber powder and the grains in a moisture way at the second time and swelling the mixture to manufacture corn foam embryo material which is then formed in a cold pressing way and is manufactured into the container with different purposes by inner and outer surface water proof layer processing, such as, tableware which can contain hot and cold foods or plant growing nutrition pots. The raw materials utilized by the present invention are only corn cobs and the grains, any addition articles and adhesives are not added, and an obtained product has the advantages of rapid degradation and no pollution after used. The method of the present invention has the advantages of simple production technology, abundant and facile raw materials and low production cost.
Description
Technical field
The present invention relates to a kind of container capable of being fast degraded and manufacture method thereof.Particularly relate to a kind of container capable of being fast degraded and manufacture method made from corncob and cereal thereof.But described container can be the tableware of the cold and hot food of splendid attire, also can be the plant culture nutritive cube.
Background technology
Dynamics along with state treatment " white pollution " increased in the last few years; it is rapid to promote the environment-friendly products development that substitutes foamed plastic; various degradable dinner sets go on the market one after another; but be fabricated onto the process produced pollution that product is used from product; environmental protection effect; productive costss etc. are still not really desirable; many product Charge; protective film still utilizes plastics and plastics derivant; make the degradation property of product not have the variation of unconventional " matter "; only limit to the adjustment of in product structure " amount "; cause many poor product quality; the cost height; poisonous residue is many, the requirement of out of reach environmentally safe.The fresh provisions in supermarket packing is to replace foamed plastic with polystyrene at present, and the styrene dimer body of polystyrene and tripolymer contact food are bigger to human body harm.This is serious environment pollution equally also.
For traditional plant culture nutritive cube, the overwhelming majority is a plastic product, and plastics can't natural degradation, seedling must play soil and remove the alms bowl second transplant when plant, cause the seedlings root damage, and survivor's rate is low, the plastic refuse serious environment pollution, and destroy soil texture.Though some substitute products are arranged at present, its Charge and protective film still be unable to do without High molecular materials such as plastics derivant, remain in many defectives.
Comprise and the degraded and the pollution problem of disposable tableware or packaging for foodstuff product etc. occur above-mentioned articles for use that some are made with vegetable matter in succession in order to solve current some disposable product.For example disclose a kind of material that cereals contain starch such as rice, wheat, corn or potato class used among the CN1091755A and made certain thickness foaming body as raw material is expanded foamed, the thin paper that the one side of foaming body or two adhesions have waterproof effect is opened or other material and constitute the base material of tableware.In this manufacturing process, need to add food antiseptics in the amyloid raw material of cereals.
CN2308306Y discloses a kind of disposable degradable dinner ware made structure, it is made of tableware body and inside and outside surface coating layer, the tableware body with plant debris such as straw, straw, bagasse, cornstalk, sorghum rod as main inert matter, mix with degradable adhesive, hot pressing is made, being coated with rete is the degradable coating that is painted on body internal surface or surfaces externally and internally, adheres to after drying on the tableware body surface.
CN1152426A discloses a kind of degradable snack box and preparation method thereof.It is that corn stalk powder, biological complex enzyme, edible dextrin, calcium propionate, natural calcium powder etc. are formed for the raw material manufacturing.
CN1193499A discloses disposable tableware, packaging for foodstuff of a kind of capable of using as feed and fertilizer and preparation method thereof.These goods are made up of raw material capable of using as feed, weighting material, adhesives, dispersing agent, and can be coated with one deck water-reducible finish, described raw material is selected from crop stalk, leaf, corncob, rice bran, wheat bran etc., and described extending agent is selected from french talc, calcium carbonate and clay; Adhesives is selected from flour, rosin and animal blood, and dispersing agent is a water, and water-reducible finish is selected polyvinyl alcohol or polypropylene for use.
By above-mentioned prior art as can be known, though wherein employed material is vegetal, all need to add weighting material, adhesives etc. in addition, this not only increases the factor that can produce pollution, makes degraded slowly, can increase manufacturing step simultaneously.
Therefore, develop a kind of pollution-free, simplify manufacturing step and product capable of being fast degraded comprises that food container and plant culture nutritive cube are still the task of top priority.
Summary of the invention
The primary purpose of the present invention provides a kind of container capable of being fast degraded, but this container comprises the tableware and the plant culture nutritive cube of the cold and hot food of splendid attire.This container is that self-adhering type needn't add any compound or adhesives, can reach quick degraded and free of contamination purpose.
Another object of the present invention provides a kind of manufacture method that is used to make container capable of being fast degraded.
The present invention relates to a kind of container capable of being fast degraded, basic unit in the middle of its body construction comprises (also can be described as expanded layer), inner waterproofing layer and exterior waterproof coating, basic unit is the corn foam made from corncob fiber powder and cereal in the middle of wherein said, the corncob fiber powder in this centre basic unit and the weight ratio of cereal are 1: 1 to 1: 2.5, described xanthan gum is glucomannan 10-30 weight %, shitosan 15-50 weight % and cellulose 20-75 weight % and low-concentration acetic acid, the allotment of low-concentration ethanol and water, the standard biological glue that validity response obtained after 2-5 hour when carrying out under 50 ℃-55 ℃ of temperature then; Described high-concentration biological glue is the xanthan gum that contains standard biological glue 5-12 weight % concentration, described low concentration xanthan gum is the xanthan gum that contains standard biological glue 1-3 weight % concentration, and the diluent of described high-concentration biological glue and low concentration xanthan gum is a low-concentration ethanol.
Wherein said cereal is corn, brown rice or wheat, and described brown rice is rice, and described cereal is preferably corn or rice, more preferably corn.Described low-concentration acetic acid is the nontoxic acetic acid of 5-8 weight %, and described low-concentration ethanol is the nontoxic ethanol of 40-45 weight %; Described glucomannan is numb taro powder, and shitosan is a chitin, and cellulose is cellulose acetate, ethyl cellulose or methylcellulose or its compound; Described chitin is for handling through taking off acetyl with the waste of shrimp shell or crab shell, again in 3% hydrochloric acid with post rinse, the material that dries and pulverize and obtain.Wherein said container can be the tableware of the cold and hot food of splendid attire, and it can be bowl, box, basin, dish or cup.The corncob fiber powder of the middle basic unit of described tableware and the weight ratio of cereal are 1: 2.
According to container capable of being fast degraded of the present invention, this container can be the plant culture nutritive cube, and it can be seedling culture nutrition or arboriculture nutritive cube.The zein fiber powder in the middle of the described nutritive cube in the basic unit and the weight ratio of cereal are 1: 1.The structure of described plant culture nutritive cube also comprises the nutritive layer that is positioned at the inner waterproofing layer and is positioned at the external reinforcement layer of exterior waterproof coating.
Nutritive layer in described, be with sodium polyacrylate 20-30 weight % and the composite fertilizer 70-80 weight % 15-18% high-concentration biological glue furnishing viscous fluid that accounts for sodium polyacrylate and composite fertilizer's weight sum, with artificial brushing on nutritive cube inner waterproofing layer, interior nutritive layer is the source of nutrition of growth of seedling, can keep water supply in the alms bowl simultaneously.
Described composite fertilizer can be fertilizer, as rice-straw ash, and inorganic fertilizer, as the compound of ammonium hydrogencarbonate.
Described external reinforcement layer is that the precipitated calcium carbonate 35-40 weight % that makes with shell and chitin 5-10 weight % and low concentration xanthan gum 50-55 weight % stir into viscous fluid, with artificial dip-coating on the external waterproof layer of alms bowl.Its existing reinforcement effect has waterproof action again, and can control nutritive cube in degradation in soil speed.Chitin energy natural degradation, and can improve the soil.
The shape of described plant seedlings nutritive cube can be square frame shape, cylindrical, cone barrel or straight tubular.
Described arboriculture nutritive cube is semi-round assembly form.
The invention still further relates to a kind of method that is used to make above-mentioned container capable of being fast degraded, it comprises the steps:
A) corncob is made the zein fiber powder:
Get clean corncob coarse crushing and become 10-15 order pellet, will carry out the pellet drying after its washing, control dry granular material aqueous ingredients carries out pellet the damp and hot expanded half bulk body that the obtains first time then at 8-10 weight %, and it is ground into 60-70 order corncob fiber powder;
B) make corn foam stock-middle basic unit:
The zein fiber powder of step a) gained is mixed by weight 1: 1 to 1: 2.5 with cereal, and the control aqueous ingredients is at 10-13 weight %, it is damp and hot expanded to carry out the second time then, this second time damp and hot expandedly promptly in boiled water cold type bulking machine, carry out at specialized equipment, control presssure is 6-8.5Mpa, temperature is 120 ℃-130 ℃, makes corn foam stock-middle basic unit;
C) make the container crude product:
With the quick humidification of corn foam stock of step b) gained, and carry out cold-press moulding immediately, make difform container crude product;
D) with step c) gained container crude product spraying inner waterproofing layer and exterior waterproof coating, or nutritive layer and external reinforcement layer in brushing and the dip-coating respectively on inside and outside waterproof layer on demand;
E) container after the coating is dried; With
F) with e) sterilizing containers after the step oven dry makes described container finished product.
According to the method that is used to make container capable of being fast degraded of the present invention, wherein the pellet drying described in the step a) can be oven dry or dries, described damp and hot expanded can in the damp and hot bulking machine of air-flow, carrying out, and swelling temperature is 110 ℃-135 ℃;
Quick humidification described in the step c) can carry out in the steam humidification machine, and described cold-press moulding carries out in 20 tons of oil presses;
To be sodium polyacrylate 20-30 weight % and composite fertilizer 70-80% weight form with the high-concentration biological glue furnishing viscous fluid brushing of the 15-18% that accounts for sodium polyacrylate and composite fertilizer's weight sum interior nutritive layer described in the step d), and described external reinforcement layer is that the precipitated calcium carbonate 35-40 weight % that makes with shell and chitin 5-10 weight % and low concentration xanthan gum 50-55 weight % stir into the viscous fluid dip-coating and form;
Oven dry described in the step e) can be carried out in continuous drying stove, and the control bake out temperature is 65 ℃-70 ℃, and drying time is 2-3 minute;
Sterilization described in the step f) can be infrared sterilization etc.
The raw material that the present invention uses only is corncob and cereal, does not add any filler, does not add any adhesives, by the physical change of raw material self, finishes the product design requirement, does not have degradation problem with the container of this edible raw material manufacturing.
Container of the present invention can reach the degradation time of different needs by the concentration of regulating xanthan gum, and for example utensils for snack can be degraded in rainy day 3-6 hour, degraded in fine 2-5 days; Can be for nutritive cube according to the needs of plant, for example the seedling culture nutrition may be adjusted to degraded in 10-15 days, and the arboriculture nutritive cube may be adjusted to degraded in 6-20 days.This degradation time than the product that other material makes significantly reduces, the product that makes with straw fiber for example, and it needs resin bond, and then degraded is slow, needs ability degraded in three months.
The container performance that the present invention makes is good, easy to use, economy and durability, the snack box made of the present invention for example, substance 40 gram/only, 0.10 yuan of productive costs behind the gluing/only, it is indeformable to contain 100 ℃ of hot water three hours during use, water-tight, indeformablely do not soak leakage in four hours when containing Hot dishes and hot meal, its abandon, animal capable is eaten, but natural degradation all becomes organic fertilizer behind the natural degradation.
The cold box that the present invention makes, substance 25 grams/only, productive costs is 0.06 yuan/behind the gluing, at first pours with cold water during use, and is indeformable through 10 hours, do not soak leakage, good through the supermarket practical effect, waste is pollution-free.
The plant culture nutritive cube that the present invention makes, can be along with various plant seedlings or trees educate the difference that makes the phase, make the series of products of corresponding different degrees of degradation, because this nutritive cube has stronger permeability to air in soil, can guarantee during seedling or trees educate order, progressively to be degraded into organic fertilizer naturally, both can reduce human and material resources, can fully improve the seedlings root breeding again, both free from environmental pollution, do not destroy soil texture yet.
According to the method for preparing container capable of being fast degraded of the present invention, wherein except that damp and hot expanded being to use the specialized equipment second time, other equipment all are known normally used equipment.
This second time, damp and hot expanded employed specialized equipment was that concrete structure sees also following Fig. 4 A to Fig. 4 B from boiled water cold type bulking machine (it is application number 00136532.0, the patent application in December 18 2000 applying date).
Description of drawings
Fig. 1 is for making the technological process of production figure of container of the present invention;
Fig. 2 represents that the container that the present invention makes is the generalized section of plant seedlings culture nutrition;
Fig. 3 is the A bilge construction enlarged drawing among Fig. 2;
Fig. 4 A is the constructional drawing from boiled water cold type bulking machine used in the present invention;
Fig. 4 B is the screw rod among Fig. 4 A, the structural representation of swivel nut;
Fig. 4 C is the constructional drawing of Fig. 4 A centering guide;
Fig. 4 D is the structural representation of Fig. 4 A mesopore guidance tape.
The specific embodiment
Below by Fig. 1 the technological process of production of making container of the present invention is described:
One, the raw material of the described container of manufacturing is corncob and cereal, at first clean corncob coarse crushing is become 10-15 order pellet before the shaping, pellet is dried after washing or is dried, and control dry granular material contains moisture 8-10%, then the dry granular material is entered the damp and hot bulking machine of air-flow, it is damp and hot expanded to carry out the first time, corncob is made up of wooden dipper quality (containing sugared cavernous body), hemicellulose, cellulose iii layer base-material, these three layers of base-materials through air-flow damp and hot expanded after, become composite fibre slightly flint, that have certain viscosity half bulk body.Then this half bulk body is ground into 60-70 order edible fibers powder, stand-by.
Two, with above-mentioned food fibre powder and cereal by weight 1: 1 to 1: 2.5 ratio mix, and control moisture 10-13% enters then that to carry out the second time from boiled water cold type bulking machine damp and hot expanded, makes certain thickness corn foam stock, and is stand-by.
The fiber of dietary fiber that corncob makes and cereal self and starch are in boiled water cold type bulking machine, through 6-8.5Mpa pressure, under the effect of 120 ℃ of-130 ℃ of temperature, expanded one-tenth corn foam stock, this stock has certain autohension and an amount of rigidity, for cold-press moulding provides condition.
Three, with corn foam stock through the steam humidification machine, quick humidification, and enter 20 tons of oil press cold-press mouldings is immediately made different needs, difformity container crude product.
The corn foam stock that corncob and cereal are made after mixing has polytropism pore network structure, and through the quick humidification of steam, the thermal stress that can produce when colding pressing is rapidly concentrated, and does not add any adhesives, but with regard to cold-press moulding, makes various required container crude products.
Four,,, form the xanthan gum film of waterproof, grease proofing, heat resistanceheat resistant at the container surfaces externally and internally by the edible boilogical glue of different purposes spraying variable concentrations with described container crude product.If what make is the plant culture nutritive cube, then need surfaces externally and internally brush respectively with dip-coating in nutritive layer and external reinforcement layer.
Xanthan gum is to be primary raw material with glucomannan, shitosan, cellulose, makes mixture liquid, and after spraying, oven dry complexing film forming has heat resistanceheat resistant, oil resistant, function such as water-fast, anticorrosion, and the mol wt of film is within the scope of edibility.
Five, the product behind the gluing enters continuous drying stove oven dry, and the control bake out temperature is 65 ℃-70 ℃, and drying time is 2-3 minute.
Six, infrared sterilization, last quality inspection, packing, as ready.
Fig. 2 represents that the container of this bright manufacturing is the generalized section of plant seedlings culture nutrition, the A bilge construction enlarged drawing in Fig. 3 presentation graphs 2.Shown in this figure, described nutritive cube body construction is divided into: 1 is middle basic unit, and 2 is inside and outside waterproof layer, and 3 is interior nutritive layer, and 4 is consolidating layer.
As Fig. 4 A the present invention use from boiled water cold type bulking machine, basic structure is identical with general bulking machine, it mainly comprises motor 1, drop-gear box 2, hopper 5, cylindrical shell 3, screw rod 6, swivel nut 7 and output unit, screw rod 6 and swivel nut 7 are located in the cylinder chamber, profile of tooth is a sawtooth, its flank of tooth is relative, rotation direction is opposite, and radially be provided with assembly clearance at its screw thread increment, swivel nut is fixed on the cylindrical shell 3, the end that it is characterized in that said screw rod swivel nut, directly be provided with tapering, and the path of its screw flight (or footpath, the end) from left to right increases vertically gradually, and the big footpath of its swivel nut screw thread (or footpath, the end) from left to right reduces vertically gradually; Be provided with the duct plate (9,11) of a guide plate 8 and a band cooling mechanism in the said output unit.Its cooling mechanism is two water-cooled cooling back installations.Discharging duct on the plate of duct is the positive camber annulus.Guide plate 8 plays comb filter effect before being located at the duct plate.The axle head of guide plate 8 is sleeved in the plate of duct, forms annular output duct.4 is Coupling Shaft among the figure, is installed on the thrust bearing, by the torque of shaft coupling transferring power.The 10th, the water valve of cooling mechanism.The 12nd, pedestal.
Its working process is as follows:
Start electrical motor, the graininess cereal of certain humidity is sent into hopper, electrical motor drives screw rod and rotates after slowing down, screw rod promotes material and moves ahead, between backlash, be extruded and roll over broken, gelatinization, by the thin tooth and the guide hole of guide plate, under High Temperature High Pressure, enter the duct then, expand and compression through pre-, export swelling product from the discharging opening of output unit again.With advancing to be severed at the goods of its tubular of exit, form sheet stock, drop on the load-transfer device, be sent to subsequent handling.
Fig. 4 B is screw rod, the spiral shell structural representation among Fig. 4 A, and swivel nut 7 shown in this Fig is fixed with cylindrical shell, and the screw thread gear tip clearance of screw rod swivel nut is provided with assembly clearance.Desirable 0.05 millimeter of gap width.Their screw thread spiral shell tooth is relative, and thread rotary orientation is opposite.Graphic screw flight is two head threads 13.The path of screw flight (or footpath, the end) from left to right increases vertically gradually.The big footpath of swivel nut screw thread (or footpath, the end) is from left to right vertically gradually little.
Fig. 4 C is the constructional drawing of Fig. 4 A centering guide, is broach 14 on the guide plate, presses circumference radiation setting, and guide plate 15 is arranged on the carding tooth surface.The other end of guide plate is a cylinder, forms duct (ring cavity) with the duct plate, and the structural change of its termination will directly determine the shape of swelling product.
Fig. 4 D is the structural representation of Fig. 4 A mesopore guidance tape, and shown duct plate is combined by preceding duct plate 9,11 two of metapore guidance tapes.The outer wall in duct is a curved surface, cooperates with guide plate 8, forms the positive camber annulus.Its profile is inverse gourd shaped shape.The periphery of duct plate is provided with double-deck water cooling cooling back installation in addition.The 16th, cucurbit bottom curved sections, the 17th, middle curved sections, the 18th, terminal cylindrical bore section.
This equipment is 15 kilowatts of designs by the motor generating capacity, is raw material with corncob and cereal, its per unit area yield bulking meterial goods (foamed product) 〉=3 ton.
Preparation example 1: the preparation of standard biological glue
Take off to state and form and totally 10 kilograms of the materials of weight proportion
Fiber crops taro powder 10% (1 kilogram)
Methylcellulose 60% (6 kilograms)
Again the chitin of above-mentioned consumption is dissolved in and is its weight 92%, concentration is in 6% the acetic acid, the numb taro powder of above-mentioned consumption is dissolved in the water of its weight 96%, the cellulose acetate of above-mentioned consumption is dissolved in is 85% of its weight, concentration is in 6% the acetic acid, the ethyl cellulose of above-mentioned consumption is dissolved in its weight 86%, concentration is in 40% the ethanol, be dissolved in the water of its weight 94% with methylcellulose above-mentioned consumption, be dissolved in described acid respectively with above-mentioned, the solution of each material of water and alcohol mixes, validity response is 4 hours when carrying out under about 52 ℃ of temperature, obtains about 19.3 kilograms standard biological glue.Its shape that is translucent that detects by an unaided eye, or be 32-45 viscosity unit with viscometer determining.
Preparation example 2: the preparation of high-concentration biological glue
Get in the preparation example 11 kilogram of standard biological glue of preparation and 9 kilograms, concentration is that 40% ethanol is mixed and made into the high-concentration biological glue that concentration is 10% weight.
Preparation example 3: the preparation of low concentration xanthan gum
Get in the preparation example 1 0.2 kilogram of standard biological glue of preparation and 9.8 kilograms, concentration is that 40% ethanol is mixed and made into the low concentration xanthan gum that concentration is 2% weight.
Preparation example 4: the preparation of nutritive layer condiment in the plant culture nutritive cube
Take off to state and form and totally 10 kilograms of the materials of weight proportion
Sodium polyacrylate 20% (2 kilograms)
Rice-straw ash 35% (3.5 kilograms)
Ammonium hydrogencarbonate 45% (4.5 kilograms)
After above-mentioned various materials mixing, make nutritive layer condiment in about 11.8 kilograms plant culture nutritive cube through stirring furnishing mucus with the high-concentration biological glue of 1.8 kilograms of preparation examples, 2 preparations.
Preparation example 5: the preparation of plant culture nutritive cube external reinforcement layer condiment
Take off to state and form and totally 10 kilograms of the materials of weight proportion
The precipitated calcium carbonate 40% that shell is made (4 kilograms)
Low concentration xanthan gum 55% (5.5 kilograms)
Described precipitated calcium carbonate and chitin are made about 10 kilograms of plant culture nutritive cube external reinforcement layer condiment with the low concentration xanthan gum of preparation example 3 preparations of described amount through stirring the furnishing viscous fluid.
Embodiment 1:
Get 10 kilograms of corncobs, its coarse crushing is become 12 order pellets, oven dry after washing, control this aggregate moisture content in 9% (weight), then this pellet being entered the damp and hot bulking machine of air-flow, to carry out the first time damp and hot expanded, and swelling temperature is about 120 ℃, forms half bulk body, again it is ground into 65 purpose granularities, obtains 9 kilograms of edible corncob fiber powder.
9 kilograms of fiber powder of gained mix to wherein adding suitable quantity of water with 18 kilograms of decontamination corns kernel; controlling its moisture is 11% (weight); enter then that to carry out the second time from boiled water cold type bulking machine damp and hot expanded; make 24 kilograms of corn foam stocks; at this in boiled water cold type bulking machine; control presssure is 7Mpa, and temperature is 120 ℃.
Getting 12 kilograms of gained corn foam stocks enters the steam humidification machine and carries out quick humidification, and enter 20 tons of oil presses immediately and carry out cold-press moulding, make 300 snack box crude products, substance 40 grams/only, spray the high-concentration biological glue and the low concentration xanthan gums of preparation example 2 and 3 preparations more respectively continuously in inside and outside surface, snack box behind the gluing enters the continuous drying stove oven dry, and the control bake out temperature is about 65 ℃, and drying time is about 3 minutes.Through infrared sterilization, promptly get 300 snack box finished products again.
Embodiment 2:
According to embodiment 1 described method, get the corn foam stock of gained and make the cold box that 480 supermarkets are used for 12 kilograms, substance 25 grams/only.
Embodiment 3:
According to embodiment 1 described method; different is that 9 kilograms of corncob fibers of gained powder is mixed with 9 kilograms of decontamination corns kernel; make 16 kilograms of corn foam stocks; 160 cone barrel plant seedlings culture nutritions will be made behind its cold-press moulding; coat the high-concentration biological glue and low concentration xanthan gum of preparation example 2 and 3 preparations respectively on inside and outside surface after; on inside face, be coated with interior nutritive layer condiment again with preparation example 4 preparations; and dip-coating promptly gets 160 seedling culture nutrition finished products with the external reinforcement layer condiment of preparation example 5 preparations after infrared sterilization on outside face.
Embodiment 4:
According to embodiment 3 described methods, make 80 semicircle pin-connected panel arboriculture nutritive cubes.
Embodiment 5:
According to embodiment 1 described method, different is with 18 kilograms of rice instead of corn of decontamination and peeling, makes 24 kilograms of corn foam stocks, and getting its 12 kilograms, to make with corncob and rice be 300 snack box finished products of raw material.
Embodiment 6:
According to embodiment 2 described methods, it is the cold box that 480 supermarkets of raw material are used that 12 kilograms of the corn foam stocks that different is gets embodiment 5 preparations are made with corncob and rice, substance 25 grams/only.
Embodiment 7:
According to embodiment 3 described methods, different is to be replaced with the corn of measuring by 9 kilograms of rice, and making with corn and rice is 160 seedling culture nutrition finished products of raw material.
Embodiment 8:
According to embodiment 4 described methods, different is by the rice instead of corn, and making with corncob and rice is 80 semicircle pin-connected panel arboriculture nutritive cube finished products of raw material.
Claims (14)
1. container capable of being fast degraded, basic unit, inner waterproofing layer and exterior waterproof coating in the middle of its body construction comprises, basic unit is the corn foam made from corncob fiber powder and cereal in the middle of wherein said, the weight ratio of this corncob fiber powder and cereal is 1: 1 to 1: 2.5, the film that described inner waterproofing layer forms for the spraying of high-concentration biological glue, described exterior waterproof coating are the film that the xanthan gum spraying of low concentration forms; Described xanthan gum is glucomannan 10-30 weight %, shitosan 15-50 weight % and cellulose 20-75 weight % and low-concentration acetic acid, low-concentration ethanol and water allotment, the standard biological glue that validity response obtained after 2-5 hour when carrying out under 50 ℃-55 ℃ of temperature then; Described high-concentration biological glue is the xanthan gum that contains standard biological glue 5-12 weight % concentration, described low concentration xanthan gum is the xanthan gum that contains standard biological glue 1-3 weight % concentration, and the diluent of described high-concentration biological glue and low concentration xanthan gum is a low-concentration ethanol.
2. container according to claim 1, wherein said cereal are corn, brown rice or wheat; Described low-concentration acetic acid is the nontoxic acetic acid of 5-8 weight %, and described low-concentration ethanol is the nontoxic ethanol of 40-45 weight %; Described glucomannan is numb taro powder, and shitosan is a chitin, and cellulose is cellulose acetate, ethyl cellulose or methylcellulose or its compound; Described chitin is for handling through taking off acetyl with the waste of shrimp shell or crab shell, again in 3% hydrochloric acid with post rinse, the material that dries and pulverize and obtain.
3. container according to claim 2, wherein said brown rice are rice.
4. according to each described container of claim 1 to 3, this container is the tableware of the cold and hot food of splendid attire.
5. container according to claim 4, the tableware of the cold and hot food of wherein said splendid attire are bowl, box, basin, dish or cup.
6. container according to claim 4, the corncob fiber powder in the middle basic unit of the tableware of the cold and hot food of wherein said splendid attire and the weight ratio of cereal are 1: 2.
7. according to each described container of claim 1 to 3, this container is the plant culture nutritive cube.
8. container according to claim 7, wherein said plant culture nutritive cube are seedling culture nutrition or arboriculture nutritive cube.
9. container according to claim 7, the corncob fiber powder in the middle basic unit of wherein said plant culture nutritive cube and the weight ratio of cereal are 1: 1.
10. container according to claim 7, wherein said plant culture nutritive cube also comprises nutritive layer that is positioned on the inner waterproofing layer and the external reinforcement layer that is positioned on the exterior waterproof coating, nutritive layer is that sodium polyacrylate 20-30 weight % and composite fertilizer 70-80 weight % use the high-concentration biological glue furnishing viscous fluid brushing of the 15-18% that accounts for sodium polyacrylate and composite fertilizer's weight sum to form in described, and described composite fertilizer is the compound of fertilizer and inorganic fertilizer; Described external reinforcement layer is that the precipitated calcium carbonate 35-40 weight % that makes with shell and chitin 5-10 weight % and low concentration xanthan gum 50-55 weight % stir into the viscous fluid dip-coating and form.
11. container according to claim 8, wherein said plant seedlings culture nutrition be shaped as square frame shape, cylindrical, cone barrel or straight tubular.
12. container according to claim 8, wherein said arboriculture nutritive cube is semi-round assembly form.
13. a method that is used to make each described container capable of being fast degraded of claim 1 to 3, it comprises the steps:
A) corncob is made the zein fiber powder:
Get clean corncob coarse crushing and become 10-15 order pellet, will carry out the pellet drying after its washing, control dry granular material aqueous ingredients carries out pellet the damp and hot expanded half bulk body that the obtains first time then at 8-10 weight %, and it is ground into 60-70 order corncob fiber powder;
B) make corn foam stock-middle basic unit:
The zein fiber powder of step a) gained is mixed by weight 1: 1 to 1: 2.5 with cereal, and the control aqueous ingredients is at 10-13 weight %, it is damp and hot expanded to carry out the second time then, this second time damp and hot expandedly in the cold bulking machine of boiled water, carrying out, control presssure is 6-8.5Mpa, temperature is 120 ℃-130 ℃, makes corn foam stock-middle basic unit;
C) make the container crude product:
With the quick humidification of corn foam stock of step b) gained, and carry out cold-press moulding immediately, make difform container crude product;
D) with step c) gained container crude product spraying inner waterproofing layer and exterior waterproof coating, or nutritive layer and external reinforcement layer in brushing and the dip-coating respectively on inside and outside waterproof layer on demand;
E) container after the coating is dried; With
F) with e) sterilizing containers after the step oven dry makes described container finished product.
14. method according to claim 13, wherein:
Pellet described in the step a) is dry for oven dry or dry, the described first time damp and hot expanded can in the damp and hot bulking machine of air-flow, carrying out, swelling temperature is 110 ℃-135 ℃;
Quick humidification described in the step c) carries out in the steam humidification machine, and described cold-press moulding carries out in 20 tons of oil presses;
Nutritive layer is that sodium polyacrylate 20-30 weight % coagulates the soup into the mucus brushing with composite fertilizer 70-80 weight % and forms in described in the step d); With the high-concentration biological glue of the 15-18% that accounts for sodium polyacrylate and composite fertilizer's weight sum, described external reinforcement layer is that the precipitated calcium carbonate 30-40 weight % that makes with shell and chitin 5-10 weight % and low concentration xanthan gum 50-55 weight % stir into the viscous fluid dip-coating and form;
Oven dry described in the step e) is carried out in continuous drying stove, and the control bake out temperature is 65 ℃-70 ℃, and drying time is 2-3 minute;
Sterilization described in the step f) is infrared sterilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011449209A CN1154602C (en) | 2001-12-24 | 2001-12-24 | Container capable of being fast degraded and its producing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011449209A CN1154602C (en) | 2001-12-24 | 2001-12-24 | Container capable of being fast degraded and its producing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1351951A CN1351951A (en) | 2002-06-05 |
| CN1154602C true CN1154602C (en) | 2004-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011449209A Expired - Fee Related CN1154602C (en) | 2001-12-24 | 2001-12-24 | Container capable of being fast degraded and its producing method |
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| Country | Link |
|---|---|
| CN (1) | CN1154602C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019217268A1 (en) * | 2018-05-07 | 2019-11-14 | Cruz Foam, Inc. | Biodegradable foams |
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2001
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| Publication number | Publication date |
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