CN106565996A - Disposable and degradable bowl and making method thereof - Google Patents
Disposable and degradable bowl and making method thereof Download PDFInfo
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- CN106565996A CN106565996A CN201610920884.1A CN201610920884A CN106565996A CN 106565996 A CN106565996 A CN 106565996A CN 201610920884 A CN201610920884 A CN 201610920884A CN 106565996 A CN106565996 A CN 106565996A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/02—Plates, dishes or the like
- A47G19/03—Plates, dishes or the like for using only once, e.g. made of paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/28—Tools, e.g. cutlery
- B29L2031/286—Cutlery
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2400/00—Characterised by the use of unspecified polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a disposable and degradable bowl and a making method thereof. The disposable and degradable bowl comprises a degradable bowl body and an inner film, and the degradable bowl body comprises, by weight, 30-40 parts of cassava starch, 20-25 parts of ramie fibers, 17-25 parts of banana fibers, 15-22 parts of melon seed shells, 30-40 parts of edible gum, 10-20 parts of polyvinyl alcohol, 12-15 parts of melamine formaldehyde resin powder, 2-5 parts of a cross-linking agent, 0.1-0.2 parts of aloe, 0.2-0.4 parts of pepper, 0.2-0.3 parts of ginkgo, 0.1-0.2 parts of onion and 0.3-0.4 parts of Folium Phyllostachys; and the inner film comprises, by weight, 30-40 parts of UV light-curable resin, 0.8-1.2 parts of rice straws and 0.5-1 parts of rice husks. The disposable and degradable bowl has the advantages of high strength, strong bonding force, easily available raw materials, no toxicity, no pollution, low cost, easiness in manufacturing, and easiness in degradation after being used.
Description
Technical field
The present invention relates to a kind of degradable dinner set.It is more particularly related to a kind of disposable degradable bowl and its
Preparation method.
Background technology
With the continuous quickening of people's social life rhythm, the life that the application of disposable tableware gives people brings convenience soon
Disease cross transmission is prevented from while prompt and is welcome by consumers in general and restaurant management person deeply.The consumption of disposable bowl
Greatly, the cycle is short of recovery, if can not degrade well will result in substantial amounts of pollution.The disposable bowl for using at present is more in bowl
Internal layer improve its water resistance using paraffin paper, but when in bowl for snack food temperature it is too high and during containing a large amount of oils and fatss, its
In, the harmful components in paraffin paper will incorporate in food and be absorbed by the body, and cause long term accumulation of the harmful substance in human body
And induce various diseases.It is now many to replace paraffin paper using PE plastic foils, but if not food stage gas equally can exist it is above-mentioned
Problem, and internal layer is easily mouldy and receive fungal infection after outer wall makes moist using the disposable bowl of PE plastic foils.Although relevant
Department is appealing to stop using disposable paper bowl for snack as early as possible always, yet with coming out without suitable succedaneum, once
Property papery bowl for snack is still being used；Therefore a kind of low cost, environmentally-friendly sanitary, degradable once bowl are needed badly.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide a kind of disposable degradable bowl and preparation method thereof, its with ramee and
Banana fiber coordinates tapioca to improve bowl by concentrated extract of the addition with antioxidation and antibacterial functions as major ingredient
It is performance and shelf-life, hot-forming in the presence of edible glue, polyvinyl alcohol, ultrapas formaldehyde resin powder, cross-linking agent
Obtain coating inner membrance after degradable bowl body and obtain degradable bowl, it has the characteristics of intensity is high, bonding force is strong, and its raw material is easy
, it is nontoxic, pollution-free, with low cost, be easy to make, be easy to after use degraded.
In order to realize these purposes of the invention and further advantage, there is provided a kind of disposable degradable bowl, including
Degradable bowl body and it is coated in the inner membrance of the degradable bowl body inner surface：
The degradable bowl body includes the raw material of following weight portion：Tapioca 30-40 parts, ramee 20-25 parts,
Banana fiber 17-25 parts, melon seed cases 15-22 parts, edible glue 30-40 part, polyvinyl alcohol 10-20 parts, ultrapas formaldehyde resin
Powder 12-15 parts, cross-linking agent 2-5 parts, Aloe 0.1-0.2 parts, Fructus Piperiss 0.2-0.4 parts, Semen Ginkgo 0.2-0.3 parts, Bulbus Allii Cepae 0.1-0.2 parts
And Folium Bambusae 0.3-0.4 parts；
The inner membrance includes the raw material of following weight portion：UV light-cured resin 30-40 parts, Oryza glutinosa bar 0.8-1.2 parts and
Rice hulls 0.5-1 part.
Preferably, described disposable degradable bowl, it is 3 that the edible glue is mass ratio：1 gelatin and shitosan
Mixture.
Preferably, described disposable degradable bowl, the cross-linking agent is water-soluble for calcium phosphate that mass fraction is 3%
Liquid.
Present invention also offers a kind of preparation method of disposable degradable bowl, comprises the following steps：
Step one, the process of Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae：
A, by weight component meter, by Aloe 0.1-0.2 parts, Fructus Piperiss 0.2-0.4 parts, Semen Ginkgo 0.2-0.3 parts, Bulbus Allii Cepae 0.1-
15% is less than with oven for drying to water content after 0.2 part and Folium Bambusae 0.3-0.4 part mixing, with pulverizer 80-100 mesh was crushed
The first comminuting matter is obtained after sieve, first comminuting matter is steamed at ambient pressure 50-55min, be cooled to after room temperature and be put into nothing
1-2h is soaked in hydrous ethanol solution, 75-85 DEG C is warming up to and is heated to reflux being cooled to room temperature after 2-3h, filter to obtain the first filtrate and
One filtering residue, will add acetone in first filtering residue of 2/3rds mass fractions, is warming up to 55-60 DEG C and is heated to reflux 1-2h,
It is cooled to after room temperature and filters to obtain the second filtrate, first filtering residue of residual mass number is added into methanol, is warming up to 65-70 DEG C
1-2h is heated to reflux, is cooled to after room temperature and is filtered to obtain the 3rd filtrate；
B, will first filtrate, second filtrate and the 3rd filtrate mix after must mix filtrate, will mixing filter
Liquid is concentrated into a quarter that volume is original volume and obtains concentrated extract；
Step 2, the surface preparation of ramee, banana fiber and melon seed cases：
C, by weight component meter, take ramee 20-25 parts and banana fiber 17-25 part mix homogeneously obtains composite fibre,
Dehydrated alcohol is added in the composite fibre to the composite fibre is totally submerged, filter after immersion 0.5-0.8h alcohol bubble is mixed
Condensating fiber, by constant temperature drying in 70 DEG C of baking ovens is placed in after alcohol bubble composite fibre distilled water wash 2-3 time mixing must be dried
Fiber；
D, by weight component meter, must mix composite fibre mix homogeneously is dried described in melon seed cases 15-22 parts and step c
Material, to the mixed material rice vinegar is sprayed, after be warming up to 40 DEG C with 0.2 DEG C/min under air-proof condition, constant temperature stands 0.2-
0.3h, is down to after room temperature with 0.5 DEG C/min, the concentrated extract obtained in step b is sprayed, with 0.4 under air-proof condition
DEG C/min is warming up to 60 DEG C, constant temperature stands 0.2-0.3h, is down to after room temperature and filters to obtain the 4th filtrate and the second filtering residue, by described the
Two filtering residues are placed in constant temperature drying in 70 DEG C of baking ovens and obtain baking mixture material, by baking mixture material mistake after pulverizer crushing
60-80 mesh sieves obtain the second comminuting matter, and the 4th filtrate is concentrated to give into concentration filtrate, wherein, per the sprinkling of 1Kg mixed materials
0.2-0.6L rice vinegars；
Step 3, height is mixed, molding：
E, by weight component meter, take tapioca 30-40 parts and polyvinyl alcohol 10-20 parts are placed in high mixer, add step
Second comminuting matter obtained in rapid d and the concentration filtrate, add the tapioca and second comminuting matter
The water of the mass of gross mass 1/5th, the temperature for adjusting high mixer is 70-80 DEG C, and rotating speed is the stirring of 500-550r/min constant temperature
10-15min, then by weight component meter is separately added into successively edible glue 30-40 part, ultrapas formaldehyde resin powder in high mixer
12-15 parts and cross-linking agent 2-5 parts, regulation rotating speed is 600-650r/min, and with the programming rate of 2 DEG C/min 100-110 is warming up to
DEG C, feeding moulding press is hot-forming after constant temperature stirring 15-20min obtains degradable bowl body；
Step 4, plated film：
F, by weight component meter, take Oryza glutinosa bar 0.8-1.2 parts and rice hulls 0.5-1 part and are crushed with pulverizer, cross 100-120
The 3rd comminuting matter is obtained after mesh sieve, adds the stirring of UV light-cured resin 30-40 parts to mix it in the 3rd comminuting matter
Film forming solution is obtained after uniform, the film forming solution is poured the Manufactured degradable bowl body inner homogeneous coating of into step e laggard
Row ultraviolet light film forming obtains degradable bowl.
Preferably, the preparation method of described disposable degradable bowl, the condition that ultraviolet irradiation is carried out in step j is photograph
The a length of 220-280nm of ejected wave, irradiation time is 4-6min.
Preferably, the preparation method of described disposable degradable bowl, it is 3 that the edible glue is mass ratio：1 gelatin
With the mixture of shitosan.
Preferably, the preparation method of described disposable degradable bowl, the cross-linking agent is phosphorus that mass fraction is 3%
The aqueous solution of sour calcium.
The present invention at least includes following beneficial effect：
1st, coordinate using ramee and banana fiber as major ingredient in the preparation method of disposable degradable bowl of the invention
Tapioca improves the performance of bowl by concentrated extract of the addition with antioxidation and antibacterial functions, in edible glue, gathers
Applying that inner membrance obtains in the presence of vinyl alcohol, ultrapas formaldehyde resin powder, cross-linking agent after hot-forming degradable bowl body can
Degraded bowl, it has the characteristics of intensity is high, bonding force is strong, and its raw material be easy to get, it is nontoxic, pollution-free, with low cost, be easy to system
Make, degraded is easy to after use.
2nd, by Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae in the preparation method of disposable degradable bowl of the invention
Process obtain concentrated extract during, raw material by drying, crush, steam rear reflux, extract, it is right effectively to strengthen
The extraction of the colloidality material in Aloe, is effectively improved for the extraction of antioxidant content in Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae, and
The extraction of anti-corrosive antibacterial composition in Fructus Piperiss, can extend the shelf-life of disposable degradable bowl while film property is strengthened.
3rd, degradable bowl body is being obtained by the way that moulding press is hot-forming in disposable degradable bowl preparation method of the invention
Afterwards, the inner surface of product is processed using the mixture of UV light-cured resins and comminuting matter, by ultraviolet irradiation film forming
Instead of traditional PE plastic foils, effect of the UV light-cured resins with stronger water resistant, oil resistant, and appropriate comminuting matter
The effect for not affecting can to promote to use rear its degraded on the basis of its performance is added on, further ultraviolet irradiation can be utilized
The structure of the high-energy destruction microorganism of ultraviolet spectra, plays bactericidal action, so as to reach the purpose to the sterilization of degradable bowl.
The further advantage of the present invention, target and feature embody part by description below, and part will also be by this
The research of invention and practice and be understood by the person skilled in the art.
Specific embodiment
The invention discloses a kind of disposable degradable bowl and preparation method thereof, those skilled in the art can use for reference herein
Content, is suitably modified technological parameter realization.Specifically, all similar replacements and change are to people in the art
It is it will be apparent that they are considered as being included in the present invention for member.The method of the present invention and application have passed through preferably real
Apply example to be described, related personnel substantially can be in without departing from present invention, spirit and scope to method described herein
It is modified or suitably the inventive method is realized and applied to change with combining.
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to description
Word can be implemented according to this.
<Embodiment 1>
The invention provides a kind of disposable degradable bowl, including degradable bowl body and it is coated in the degradable bowl
The inner membrance of body internal surface, it is characterised in that：
The degradable bowl body includes the raw material of following weight portion：30 parts of tapioca, 25 parts of ramee, Fructus Musae are fine
17 parts of dimension, 22 parts of melon seed cases, mass ratio are 3：1 gelatin and 30 parts of the mixture of shitosan, 20 parts of polyvinyl alcohol, ultrapas
12 parts of formaldehyde resin powder, 5 parts of the aqueous solution of the calcium phosphate that mass fraction is 3%, 0.1 part of Aloe, 0.4 part of Fructus Piperiss, Semen Ginkgo 0.2
0.3 part of part, 0.2 part of Bulbus Allii Cepae and Folium Bambusae；
The inner membrance includes the raw material of following weight portion：40 parts of UV light-cured resins, 0.8 part of Oryza glutinosa bar and rice hulls
0.5 part.
A kind of preparation method of disposable degradable bowl, comprises the following steps：
Step one, the process of Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae：
A, by weight component meter, by 0.3 part of 0.1 part of Aloe, 0.4 part of Fructus Piperiss, 0.2 part of Semen Ginkgo, 0.2 part of Bulbus Allii Cepae and Folium Bambusae
15% is less than with oven for drying to water content after mixing, was crushed with pulverizer and obtain after 80 mesh sieves the first comminuting matter, will be described
First comminuting matter steams at ambient pressure 50min, is cooled to after room temperature to be put in ethanol solution and soaks 1h, is warming up to 75 DEG C
It is heated to reflux being cooled to room temperature after 3h, filters to obtain the first filtrate and the first filtering residue, by described the first of 2/3rds mass fractions
Acetone is added in filtering residue, 60 DEG C is warming up to and is heated to reflux 1h, be cooled to after room temperature and filter to obtain the second filtrate, by residual mass number
First filtering residue add methanol, be warming up to 70 DEG C and be heated to reflux 1h, be cooled to after room temperature and filter to obtain the 3rd filtrate, wherein,
The consumption of the dehydrated alcohol, the acetone, and the methanol is according to those skilled in the art's condensing reflux material and solvent
Conventional ratio addition；
B, will first filtrate, second filtrate and the 3rd filtrate mix after must mix filtrate, will mixing filter
Liquid is concentrated into a quarter that volume is original volume and obtains concentrated extract；
Step 2, the surface preparation of ramee, banana fiber and melon seed cases：
C, by weight component meter, take 25 parts of ramee and 17 parts of mix homogeneously of banana fiber obtain composite fibre, to described
Add dehydrated alcohol to the composite fibre is totally submerged in composite fibre, the height of the dehydrated alcohol is slightly above institute after addition
The height of composite fibre is stated, alcohol bubble composite fibre is filtered to obtain after immersion 0.8h, the alcohol is steeped into composite fibre distilled water wash 3
Constant temperature drying in 70 DEG C of baking ovens is placed in after secondary must dry composite fibre；
D, by weight component meter, by composite fibre mix homogeneously is dried described in 22 parts of melon seed cases and step c mixture is obtained
Material, to the mixed material rice vinegar is sprayed, after be warming up to 40 DEG C with 0.2 DEG C/min under air-proof condition, constant temperature stands 0.3h, with
0.5 DEG C/min is down to after room temperature, the concentrated extract obtained in step b is sprayed, with 0.4 DEG C/min liters under air-proof condition
To 60 DEG C, constant temperature stands 0.3h to temperature, is down to after room temperature and filters to obtain the 4th filtrate and the second filtering residue, and second filtering residue is placed in into 70
Constant temperature drying obtains baking mixture material in DEG C baking oven, 80 mesh sieves is crossed after the baking mixture material pulverizer is crushed and obtains second
Comminuting matter, by the 4th filtrate concentration filtrate is concentrated to give, wherein, per 1Kg mixed materials sprinkling 0.6L rice vinegars；
Step 3, height is mixed, molding：
E, by weight component meter, take 30 parts of tapioca and 20 parts of polyvinyl alcohol is placed in high mixer, add and are obtained in step d
Second comminuting matter for obtaining and the concentration filtrate, add the tapioca and the second comminuting matter gross mass five
The water of/mono- mass, the temperature for adjusting high mixer is 70 DEG C, and rotating speed is that 550r/min constant temperature stirs 15min, then to high mixer
In component meter by weight be separately added into mass ratio successively for 3：1 gelatin and 30 parts of the mixture of shitosan, ultrapas formaldehyde
12 parts of resin-oatmeal and mass fraction are 5 parts of the aqueous solution of 3% calcium phosphate, and regulation rotating speed is 600r/min, with the liter of 2 DEG C/min
Warm speed is warming up to 100 DEG C, and feeding moulding press is hot-forming after constant temperature stirring 20min obtains degradable bowl body；
Step 4, plated film：
F, by weight component meter, take 0.8 part of Oryza glutinosa bar and 0.5 part of rice hulls are crushed with pulverizer, cross after 120 mesh sieves the
Three comminuting matters, add the 40 parts of stirrings of UV light-cured resins to make after its mix homogeneously in the 3rd comminuting matter film forming is molten
Liquid, the film forming solution is poured into carry out after the coating of step e Manufactured degradable bowl body inner homogeneous ultraviolet light into
Film obtains degradable bowl, wherein, it is 280nm that the condition that ultraviolet irradiation is carried out in step j is illumination wavelength, and irradiation time is 4min.
Degradable bowl is prepared using biodegradable tapioca material, melon seed cases and ramee, banana fiber
Body, comprehensively utilizes the elasticity of ramee, and the light weight and gloss of banana fiber, adds polyvinyl alcohol, in degradable bowl
During body High Temperature High Pressure molding, ramee, banana fiber, tapioca material and flour obtained by melon seed cases are increased
Adhesion effect, so as to strengthen the toughness and intensity of degradable bowl body, carry from Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae
The concentrated extract for taking, with good antibiotic property and non-oxidizability, effectively avoids ramee and the resistance to environment of banana fiber
Poor problem, extends the shelf-life of degradable bowl, and instead of traditional PE plastic foils, appropriate powder by ultraviolet irradiation film forming
Being added on for broken material does not affect that it can be promoted to use the rear effect that it is degraded on the basis of its filming performance, further purple
External irradiation can utilize the structure of the high-energy destruction microorganism of ultraviolet spectra, bactericidal action be played, so as to reach to degradable
The purpose of bowl sterilization.
<Embodiment 2>
The invention provides a kind of disposable degradable bowl, including degradable bowl body and it is coated in the degradable bowl
The inner membrance of body internal surface, it is characterised in that：
The degradable bowl body includes the raw material of following weight portion：40 parts of tapioca, 20 parts of ramee, Fructus Musae are fine
25 parts of dimension, 15 parts of melon seed cases, mass ratio are 3：1 gelatin and 40 parts of the mixture of shitosan, 10 parts of polyvinyl alcohol, ultrapas
15 parts of formaldehyde resin powder, 2 parts of the aqueous solution of the calcium phosphate that mass fraction is 3%, 0.2 part of Aloe, 0.2 part of Fructus Piperiss, Semen Ginkgo 0.3
0.4 part of part, 0.1 part of Bulbus Allii Cepae and Folium Bambusae；
The inner membrance includes the raw material of following weight portion：30 parts of UV light-cured resins, 0.8 part of Oryza glutinosa bar and rice hulls
0.5 part.
A kind of preparation method of disposable degradable bowl, comprises the following steps：
Step one, the process of Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae：
A, by weight component meter, by 0.4 part of 0.2 part of Aloe, 0.2 part of Fructus Piperiss, 0.3 part of Semen Ginkgo, 0.1 part of Bulbus Allii Cepae and Folium Bambusae
15% is less than with oven for drying to water content after mixing, was crushed with pulverizer and obtain after 100 mesh sieves the first comminuting matter, will be described
First comminuting matter steams at ambient pressure 55min, is cooled to after room temperature to be put in ethanol solution and soaks 2h, is warming up to 85 DEG C
It is heated to reflux being cooled to room temperature after 2h, filters to obtain the first filtrate and the first filtering residue, by described the first of 2/3rds mass fractions
Acetone is added in filtering residue, 55 DEG C is warming up to and is heated to reflux 2h, be cooled to after room temperature and filter to obtain the second filtrate, by residual mass number
First filtering residue add methanol, be warming up to 65 DEG C and be heated to reflux 2h, be cooled to after room temperature and filter to obtain the 3rd filtrate, wherein,
The consumption of the dehydrated alcohol, the acetone, and the methanol is according to those skilled in the art's condensing reflux material and solvent
Conventional ratio addition；
B, will first filtrate, second filtrate and the 3rd filtrate mix after must mix filtrate, will mixing filter
Liquid is concentrated into a quarter that volume is original volume and obtains concentrated extract；
Step 2, the surface preparation of ramee, banana fiber and melon seed cases：
C, by weight component meter, take 20 parts of ramee and 25 parts of mix homogeneously of banana fiber obtain composite fibre, to described
Add dehydrated alcohol to the composite fibre is totally submerged in composite fibre, the height of the dehydrated alcohol is slightly above institute after addition
The height of composite fibre is stated, alcohol bubble composite fibre is filtered to obtain after immersion 0.5h, the alcohol is steeped into composite fibre distilled water wash 2
Constant temperature drying in 70 DEG C of baking ovens is placed in after secondary must dry composite fibre；
D, by weight component meter, by composite fibre mix homogeneously is dried described in 15 parts of melon seed cases and step c mixture is obtained
Material, to the mixed material rice vinegar is sprayed, after be warming up to 40 DEG C with 0.2 DEG C/min under air-proof condition, constant temperature stands 0.2h, with
0.5 DEG C/min is down to after room temperature, the concentrated extract obtained in step b is sprayed, with 0.4 DEG C/min liters under air-proof condition
To 60 DEG C, constant temperature stands 0.2h to temperature, is down to after room temperature and filters to obtain the 4th filtrate and the second filtering residue, and second filtering residue is placed in into 70
Constant temperature drying obtains baking mixture material in DEG C baking oven, 60 mesh sieves is crossed after the baking mixture material pulverizer is crushed and obtains second
Comminuting matter, by the 4th filtrate concentration filtrate is concentrated to give, wherein, per 1Kg mixed materials sprinkling 0.2L rice vinegars；
Step 3, height is mixed, molding：
E, by weight component meter, take 40 parts of tapioca and 10 parts of polyvinyl alcohol is placed in high mixer, add and are obtained in step d
Second comminuting matter for obtaining and the concentration filtrate, add the tapioca and the second comminuting matter gross mass five
The water of/mono- mass, the temperature for adjusting high mixer is 80 DEG C, and rotating speed is that 500r/min constant temperature stirs 10min, then to high mixer
In component meter by weight be separately added into mass ratio successively for 3：1 gelatin and 40 parts of the mixture of shitosan, ultrapas formaldehyde
15 parts of resin-oatmeal and mass fraction are 2 parts of the aqueous solution of 3% calcium phosphate, and regulation rotating speed is 600r/min, with the liter of 2 DEG C/min
Warm speed is warming up to 110 DEG C, and feeding moulding press is hot-forming after constant temperature stirring 15min obtains degradable bowl body；
Step 4, plated film：
F, by weight component meter, take 0.8 part of Oryza glutinosa bar and 0.5 part of rice hulls are crushed with pulverizer, cross after 120 mesh sieves the
Three comminuting matters, add the 30 parts of stirrings of UV light-cured resins to make after its mix homogeneously in the 3rd comminuting matter film forming is molten
Liquid, the film forming solution is poured into carry out after the coating of step e Manufactured degradable bowl body inner homogeneous ultraviolet light into
Film obtains degradable bowl, wherein, it is 220nm that the condition that ultraviolet irradiation is carried out in step j is illumination wavelength, and irradiation time is 6min.
Degradable bowl is prepared using biodegradable tapioca material, melon seed cases and ramee, banana fiber
Body, comprehensively utilizes the elasticity of ramee, and the light weight and gloss of banana fiber, adds polyvinyl alcohol, in degradable bowl
During body High Temperature High Pressure molding, ramee, banana fiber, tapioca material and flour obtained by melon seed cases are increased
Adhesion effect, so as to strengthen the toughness and intensity of degradable bowl body, carry from Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae
The concentrated extract for taking, with good antibiotic property and non-oxidizability, effectively avoids ramee and the resistance to environment of banana fiber
Poor problem, extends the shelf-life of degradable bowl, and instead of traditional PE plastic foils, appropriate powder by ultraviolet irradiation film forming
Being added on for broken material does not affect that it can be promoted to use the rear effect that it is degraded on the basis of its filming performance, further purple
External irradiation can utilize the structure of the high-energy destruction microorganism of ultraviolet spectra, bactericidal action be played, so as to reach to degradable
The purpose of bowl sterilization.
<Embodiment 3>
The invention provides a kind of disposable degradable bowl, including degradable bowl body and it is coated in the degradable bowl
The inner membrance of body internal surface, it is characterised in that：
The degradable bowl body includes the raw material of following weight portion：35 parts of tapioca, 23 parts of ramee, Fructus Musae are fine
20 parts of dimension, 20 parts of melon seed cases, mass ratio are 3：1 gelatin and 35 parts of the mixture of shitosan, 15 parts of polyvinyl alcohol, ultrapas
13 parts of formaldehyde resin powder, 4 parts of the aqueous solution of the calcium phosphate that mass fraction is 3%, 0.15 part of Aloe, 0.3 part of Fructus Piperiss, Semen Ginkgo 0.25
0.35 part of part, 0.15 part of Bulbus Allii Cepae and Folium Bambusae；
The inner membrance includes the raw material of following weight portion：35 parts of UV light-cured resins, 0.1 part of Oryza glutinosa bar and rice hulls
0.7 part.
A kind of preparation method of disposable degradable bowl, comprises the following steps：
Step one, the process of Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae：
A, by weight component meter, by 0.15 part of Aloe, 0.3 part of Fructus Piperiss, 0.25 part of Semen Ginkgo, 0.15 part of Bulbus Allii Cepae and Folium Bambusae
15% is less than with oven for drying to water content after 0.35 part of mixing, was crushed with pulverizer and obtain after 90 mesh sieves the first comminuting matter,
First comminuting matter is steamed at ambient pressure 52min, is cooled to after room temperature to be put in ethanol solution and is soaked 1.5h, risen
Temperature is heated to reflux being cooled to room temperature after 2.5h to 80 DEG C, the first filtrate and the first filtering residue is filtered to obtain, by 2/3rds mass fractions
First filtering residue in add acetone, be warming up to 57 DEG C and be heated to reflux 1.5h, be cooled to after room temperature and filter to obtain the second filtrate, will
First filtering residue of residual mass number adds methanol, is warming up to 67 DEG C and is heated to reflux 1.5h, is cooled to after room temperature and filters
3rd filtrate, wherein, the dehydrated alcohol, the acetone, and the consumption of the methanol condensed back according to those skilled in the art
The conventional ratio addition of stream material and solvent；
B, will first filtrate, second filtrate and the 3rd filtrate mix after must mix filtrate, will mixing filter
Liquid is concentrated into a quarter that volume is original volume and obtains concentrated extract；
Step 2, the surface preparation of ramee, banana fiber and melon seed cases：
C, by weight component meter, take 23 parts of ramee and 20 parts of mix homogeneously of banana fiber obtain composite fibre, to described
Add dehydrated alcohol to the composite fibre is totally submerged in composite fibre, the height of the dehydrated alcohol is slightly above institute after addition
The height of composite fibre is stated, alcohol bubble composite fibre is filtered to obtain after immersion 0.7h, the alcohol is steeped into composite fibre distilled water wash 3
Constant temperature drying in 70 DEG C of baking ovens is placed in after secondary must dry composite fibre；
D, by weight component meter, by composite fibre mix homogeneously is dried described in 20 parts of melon seed cases and step c mixture is obtained
Material, to the mixed material rice vinegar is sprayed, after be warming up to 40 DEG C with 0.2 DEG C/min under air-proof condition, constant temperature stands 0.25h,
It is down to after room temperature with 0.5 DEG C/min, the concentrated extract obtained in step b is sprayed, with 0.4 DEG C/min under air-proof condition
60 DEG C are warming up to, constant temperature stands 0.25h, is down to after room temperature and filters to obtain the 4th filtrate and the second filtering residue, and second filtering residue is put
Constant temperature drying obtains baking mixture material in 70 DEG C of baking ovens, 70 mesh sieves is crossed after the baking mixture material pulverizer is crushed and is obtained
Second comminuting matter, by the 4th filtrate concentration filtrate is concentrated to give, wherein, per 1Kg mixed materials sprinkling 0.4L rice vinegars；
Step 3, height is mixed, molding：
E, by weight component meter, take 35 parts of tapioca and 15 parts of polyvinyl alcohol is placed in high mixer, add and are obtained in step d
Second comminuting matter for obtaining and the concentration filtrate, add the tapioca and the second comminuting matter gross mass five
The water of/mono- mass, the temperature for adjusting high mixer is 75 DEG C, and rotating speed is that 525r/min constant temperature stirs 13min, then to high mixer
In component meter by weight be separately added into mass ratio successively for 3：1 gelatin and 35 parts of the mixture of shitosan, ultrapas formaldehyde
13 parts of resin-oatmeal and mass fraction are 4 parts of the aqueous solution of 3% calcium phosphate, and regulation rotating speed is 625r/min, with the liter of 2 DEG C/min
Warm speed is warming up to 105 DEG C, and feeding moulding press is hot-forming after constant temperature stirring 17min obtains degradable bowl body；
Step 4, plated film：
F, by weight component meter, take 0.1 part of Oryza glutinosa bar and 0.7 part of rice hulls are crushed with pulverizer, cross after 110 mesh sieves the
Three comminuting matters, add the 35 parts of stirrings of UV light-cured resins to make after its mix homogeneously in the 3rd comminuting matter film forming is molten
Liquid, the film forming solution is poured into carry out after the coating of step e Manufactured degradable bowl body inner homogeneous ultraviolet light into
Film obtains degradable bowl, wherein, it is 240nm that the condition that ultraviolet irradiation is carried out in step j is illumination wavelength, and irradiation time is 5min.
Degradable bowl is prepared using biodegradable tapioca material, melon seed cases and ramee, banana fiber
Body, comprehensively utilizes the elasticity of ramee, and the light weight and gloss of banana fiber, adds polyvinyl alcohol, in degradable bowl
During body High Temperature High Pressure molding, ramee, banana fiber, tapioca material and flour obtained by melon seed cases are increased
Adhesion effect, so as to strengthen the toughness and intensity of degradable bowl body, carry from Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae
The concentrated extract for taking, with good antibiotic property and non-oxidizability, effectively avoids ramee and the resistance to environment of banana fiber
Poor problem, extends the shelf-life of degradable bowl, and instead of traditional PE plastic foils, appropriate powder by ultraviolet irradiation film forming
Being added on for broken material does not affect that it can be promoted to use the rear effect that it is degraded on the basis of its filming performance, further purple
External irradiation can utilize the structure of the high-energy destruction microorganism of ultraviolet spectra, bactericidal action be played, so as to reach to degradable
The purpose of bowl sterilization.
By degradable bowl obtained in above-described embodiment 1-3, carry out by way of soil is buried Degrading experiment draw it is as follows
Result shown in table.
Table 1
As can be seen from Table 1, the degradable bowl as obtained in the present invention, soil bury 120 days afterwards its weightlessness reach more than 65%
White pollution is not resulted in.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in description and embodiment
With, it can be applied to completely various suitable the field of the invention, for those skilled in the art, can be easily
Other modification is realized, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details.
Claims (7)
1. a kind of disposable degradable bowl, including degradable bowl body and it is coated in the degradable bowl body inner surface
Film, it is characterised in that：
The degradable bowl body includes the raw material of following weight portion：Tapioca 30-40 parts, ramee 20-25 parts, Fructus Musae
Fiber 17-25 parts, melon seed cases 15-22 parts, edible glue 30-40 part, polyvinyl alcohol 10-20 parts, ultrapas formaldehyde resin powder 12-
15 parts, cross-linking agent 2-5 parts, Aloe 0.1-0.2 parts, Fructus Piperiss 0.2-0.4 parts, Semen Ginkgo 0.2-0.3 parts, Bulbus Allii Cepae 0.1-0.2 parts and
Folium Bambusae 0.3-0.4 parts；
The inner membrance includes the raw material of following weight portion：UV light-cured resin 30-40 parts, Oryza glutinosa bar 0.8-1.2 parts and Oryza glutinosa
Shell 0.5-1 parts.
2. disposable degradable bowl as claimed in claim 1, it is characterised in that it is 3 that the edible glue is mass ratio：1 it is bright
The mixture of glue and shitosan.
3. disposable degradable bowl as claimed in claim 1, it is characterised in that the cross-linking agent is 3% for mass fraction
The aqueous solution of calcium phosphate.
4. a kind of preparation method of disposable degradable bowl, it is characterised in that comprise the following steps：
Step one, the process of Aloe, Fructus Piperiss, Semen Ginkgo, Bulbus Allii Cepae and Folium Bambusae：
A, by weight component meter, by Aloe 0.1-0.2 parts, Fructus Piperiss 0.2-0.4 parts, Semen Ginkgo 0.2-0.3 parts, Bulbus Allii Cepae 0.1-0.2 parts
And 15% is less than with oven for drying to water content after the mixing of Folium Bambusae 0.3-0.4 parts, crushed after 80-100 mesh sieves with pulverizer
The first comminuting matter is obtained, first comminuting matter is steamed at ambient pressure 50-55min, be cooled to after room temperature and be put into anhydrous second
Alcohol solution for soaking 1-2h, is warming up to 75-85 DEG C and is heated to reflux being cooled to room temperature after 2-3h, filters to obtain the first filtrate and the first filter
Slag, will add acetone in first filtering residue of 2/3rds mass fractions, is warming up to 55-60 DEG C and is heated to reflux 1-2h, cooling
The second filtrate is filtered to obtain to room temperature, first filtering residue of residual mass number is added into methanol, be warming up to 65-70 DEG C of heating
Backflow 1-2h, is cooled to after room temperature and filters to obtain the 3rd filtrate；
B, will first filtrate, second filtrate and the 3rd filtrate mix after must mix filtrate, it is dense by filtrate is mixed
It is reduced to a quarter that volume is original volume and obtains concentrated extract；
Step 2, the surface preparation of ramee, banana fiber and melon seed cases：
C, by weight component meter, take ramee 20-25 parts and banana fiber 17-25 part mix homogeneously obtains composite fibre, to institute
State and add in composite fibre dehydrated alcohol to the composite fibre is totally submerged, alcohol bubble mixing fibre is filtered to obtain after immersion 0.5-0.8h
Dimension, by constant temperature drying in 70 DEG C of baking ovens is placed in after alcohol bubble composite fibre distilled water wash 2-3 time composite fibre must be dried；
D, by weight component meter, by composite fibre mix homogeneously is dried described in melon seed cases 15-22 parts and step c mixture is obtained
Material, to the mixed material rice vinegar is sprayed, after be warming up to 40 DEG C with 0.2 DEG C/min under air-proof condition, constant temperature stands 0.2-
0.3h, is down to after room temperature with 0.5 DEG C/min, the concentrated extract obtained in step b is sprayed, with 0.4 under air-proof condition
DEG C/min is warming up to 60 DEG C, constant temperature stands 0.2-0.3h, is down to after room temperature and filters to obtain the 4th filtrate and the second filtering residue, by described the
Two filtering residues are placed in constant temperature drying in 70 DEG C of baking ovens and obtain baking mixture material, by baking mixture material mistake after pulverizer crushing
60-80 mesh sieves obtain the second comminuting matter, and the 4th filtrate is concentrated to give into concentration filtrate, wherein, per the sprinkling of 1Kg mixed materials
0.2-0.6L rice vinegars；
Step 3, height is mixed, molding：
E, by weight component meter, take tapioca 30-40 parts and polyvinyl alcohol 10-20 parts are placed in high mixer, in adding step d
Second comminuting matter for obtaining and the concentration filtrate, add the tapioca and the second comminuting matter gross mass
The water of 1/5th mass, the temperature for adjusting high mixer is 70-80 DEG C, and rotating speed is that 500-550r/min constant temperature stirs 10-
15min, then by weight component meter is separately added into successively edible glue 30-40 part, ultrapas formaldehyde resin powder 12- in high mixer
15 parts and cross-linking agent 2-5 parts, regulation rotating speed is 600-650r/min, and with the programming rate of 2 DEG C/min 100-110 DEG C is warming up to,
Feeding moulding press is hot-forming after constant temperature stirring 15-20min obtains degradable bowl body；
Step 4, plated film：
F, by weight component meter, take Oryza glutinosa bar 0.8-1.2 parts and rice hulls 0.5-1 part and are crushed with pulverizer, cross 100-120 mesh sieves
The 3rd comminuting matter is obtained afterwards, adds the stirring of UV light-cured resin 30-40 parts to make its mix homogeneously in the 3rd comminuting matter
Film forming solution is obtained afterwards, and the film forming solution is poured into after the Manufactured degradable bowl body inner homogeneous coating of step e carries out purple
Outer light irradiation film forming obtains degradable bowl.
5. the preparation method of disposable degradable bowl as claimed in claim 4, it is characterised in that ultraviolet spoke is carried out in step j
According to condition be illumination wavelength be 220-280nm, irradiation time is 4-6min.
6. the preparation method of disposable degradable bowl as claimed in claim 4, it is characterised in that the edible glue is mass ratio
For 3：1 gelatin and the mixture of shitosan.
7. the preparation method of disposable degradable bowl as claimed in claim 4, it is characterised in that the cross-linking agent is quality point
Number is the aqueous solution of 3% calcium phosphate.
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| CN109354894A (en) * | 2018-09-27 | 2019-02-19 | 安庆市恒原纸塑有限公司 | A kind of preparation method of disposable antibacterial paper bowl |
| CN109371747A (en) * | 2018-09-27 | 2019-02-22 | 安庆市恒原纸塑有限公司 | A kind of disposable degradable paper disc and preparation method thereof |
| CN109591392A (en) * | 2017-09-30 | 2019-04-09 | 赵志坚 | A kind of environmental protection fast degradation cutlery box and preparation method thereof |
| WO2019080695A1 (en) * | 2017-10-26 | 2019-05-02 | 伍泽明 | Degradable environmentally friendly antibacterial tableware and preparation method therefor |
| CN110817089A (en) * | 2019-09-30 | 2020-02-21 | 曹生珠 | Edible beverage packaging bottle and preparation method thereof |
| CN114311721A (en) * | 2021-12-27 | 2022-04-12 | 青岛农业大学 | Preparation method of edible and biodegradable tableware |
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| CN109591392A (en) * | 2017-09-30 | 2019-04-09 | 赵志坚 | A kind of environmental protection fast degradation cutlery box and preparation method thereof |
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| CN110817089A (en) * | 2019-09-30 | 2020-02-21 | 曹生珠 | Edible beverage packaging bottle and preparation method thereof |
| CN114311721A (en) * | 2021-12-27 | 2022-04-12 | 青岛农业大学 | Preparation method of edible and biodegradable tableware |
| CN114311721B (en) * | 2021-12-27 | 2023-09-08 | 青岛农业大学 | Preparation method of edible biodegradable tableware |
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