CN106977810A - A kind of antibacterial chopping board and its preparation technology - Google Patents
A kind of antibacterial chopping board and its preparation technology Download PDFInfo
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- CN106977810A CN106977810A CN201710241847.2A CN201710241847A CN106977810A CN 106977810 A CN106977810 A CN 106977810A CN 201710241847 A CN201710241847 A CN 201710241847A CN 106977810 A CN106977810 A CN 106977810A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J47/00—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread
- A47J47/005—Cutting boards
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/005—Lignin
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- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
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- 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
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
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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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- 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
Abstract
The invention discloses a kind of antibacterial chopping board and its preparation technology, its drip irrigation device is the antislip body for including degradable antibacterial body and being coated on antibacterial body edges, the antibacterial body includes the component of following parts by weight, 3 ~ 5 parts of bamboo charcoals, 5 ~ 10 parts of starch, 70 ~ 80 parts of degradation plastics, 2 ~ 6 part of first antiseptic；Degradation plastic selection degraded PP resins or degraded rice hull cellulose synthetic resin.The antibacterial chopping board of setting had both had the effect of antibacterial, while also having degradable function, breed bacteria was difficult when in use, while waste and old chopping board can also degrade faster, the pollution to environment is small.
Description
Technical field
The present invention relates to field of kitchen products, more particularly to a kind of antibacterial chopping board and its preparation technology.
Background technology
Chopping board, also known as chopping block, chopping board, are that people are used for cutting the indispensable kitchen utensils of the food such as the class that cuts meat, vegetables, pass
The chopping board of system is generally wood chopping board, and advantage is that natural, density is high, nontoxic, corrosion-resistant；Have the disadvantage that heavy, water imbibition is big, easily go rotten
It is rotten, and case hardness is low, is also easy to produce tool marks, a bits is scaling-off, and surface appearance is recessed, in addition wood moisture-sensitive crack itself, hides
Dirt, the easily invasive organism such as breed bacteria, mould are received in dirt, contaminated food, seriously endanger health.While wood chopping board
Widely use and must just cut down a large amount of trees, destroy ecological environment, do not meet the theory of low-carbon environment-friendly.Therefore, wood chopping board
It is fewer and fewer to be used.
Plastic chopping block is generally processed using injection molding process, with lightweight, and water imbibition is small, morphological appearance, table
Face pore is small and the cracking that will not make moist, and is difficult to go mouldy, the advantages of service life is long, so being liked by increasing people.
But due to plastic chopping block mostly use polypropylene material, when plastic chopping block in use for some time by breakage after need change
New chopping board, and old chopping board is degraded slowly under field conditions (factors) after discarding, such long term accumulation will result in environmental pollution.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of antibacterial chopping board, the antibacterial chopping board energy
Faster under field conditions (factors) to decompose, the pollution to environment is small.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of antibacterial chopping board, includes degradable antibacterial body and is coated on the antislip body of antibacterial body edges, the antibacterial
Body includes the component of following parts by weight, 3~5 parts of bamboo charcoals, 5~10 parts of starch, 70~80 parts of degradation plastics, 2~6 parts
First antiseptic；Degradation plastic selection degraded PP resins or degraded rice hull cellulose synthetic resin.
By above-mentioned technical proposal, bamboo charcoal is that raw above high mountain mao bamboon is raw material using 3 years, through nearly thousand degree of high-temperature firings
Into a kind of charcoal, bamboo charcoal has loose porous structure, and its molecule is fine and closely woven porous, and quality is hard, there is very strong adsorption capacity, energy
Purify air, eliminate that peculiar smell, moisture absorption be mould proof, antibacterial expelling parasite, can be dried absorbing sweat with human contact, promote blood circulation of human body and new
Old metabolism, fatigue-relieving after refining processing through science, is widely used in daily life；Because carbonaceous has countless in itself
Hole, this carbonaceous stomata can effectively adsorb a part of suspended solid in air, to sulfide, hydride, methanol, benzene,
The harmful chemicals such as phenol play absorption, peculiar smell are decomposed and smelly eliminating effect, while the hole of bamboo charcoal can strengthen and storeroom
Bonding strength, improves the structural strength of material；On the one hand the starch of setting be due to that starch possesses degradability, on the other hand molten
Melting the starch of shape has certain viscosity, so can just strengthen the adhesive strength between each component；Then the degradable plastic set
Material can select degraded PP resins to select rice hull cellulose synthetic resin of degrading, and the PP resin material of degraded is than PP resins
With good degradability, degradation speed is very fast, while the setting of bamboo charcoal can increase the degradation speed of PP resins, rice of then degrading
Case fibre synthetic resin more possesses the feature of environmental protection, and it is easily degraded, steady quality, and with low cost；Then the antibacterial added
Agent can assign antibacterial chopping board excellent antibiotic property, can suppress or even kill pathogenic microorganism, then safer when using.
The present invention is further arranged to：It is 70~80 parts of PP and/or PE, 2~6 parts that the antislip body, which includes parts by weight,
Second antiseptic and 5~10 parts of starch.
By above-mentioned technical proposal, the antislip body of setting can strengthen the frictional force between chopping board and mounting table, certain journey
Avoiding in cutting chopping board to free on degree, the cutting that causes of sliding is inconvenient, the material of the antislip body then set for PP and/or
PE, and can well be bonded between antibacterial body, the second antiseptic is then also included in antislip body, the second antiseptic also can
Enough play the action effect of antibacterial, reduce growth of the bacterial micro-organism on chopping board, the starch of setting can equally strengthen PP and/
Or the viscosity between PE, same to assign antislip body certain viscosity, then antislip body can just be bonded firmly, together on antibacterial body
When the starch that sets PP and/or PE use is reduced as filler, then the degradation property of antislip body just strengthens.
The present invention is further arranged to：First antiseptic and the second antiseptic select the nano zine oxide of acidity.
By above-mentioned technical proposal, the first antiseptic and the acid nano zine oxide of the second antiseptic selection, due to nanometer
Anti-microbial property of the zinc oxide under conditions of acidity is stronger, and the zinc oxide of selection nano-particle has higher surface-active
With larger specific surface area, then the area for contacting and reacting with bacterium is increased, and nano zine oxide is in the effect of bamboo charcoal
The lower ratio that can disperse in component is more uniform, while bamboo charcoal can adsorb tiny nano granular of zinc oxide, then nano zine oxide
Particle, adhesion is firm, then antibacterial effect is just relatively more lasting.
The present invention is further arranged to：The degraded PP resins include following preparation process,
Step 1, by inorganic filler calcium carbonate, talcum powder, polyethylene low-molecular-weight wax, be directly added into PP resins, it is mixed by high speed
Conjunction machine is mixed, and is plasticated by double screw extruder and granulation obtains PP masterbatch resins, and extruder temperature is controlled 200~220
℃；
Step 2, by starch, polyethylene low-molecular-weight wax, be directly added into PP resins, mixed by high-speed mixer, and by double
Screw extruder is plasticated and granulated, and obtains degradation master batch；
Step 3, PP masterbatch resins and degradation master batch mix and stir for 10: 1 ratio uniform by ratio of weight and the number of copies.
By above-mentioned technical proposal, PP resins include PP masterbatch resins and degradation master batch, then can either ensure that structure is strong
Degree, can have excellent degradation property again.
The present invention is further arranged to：The degraded rice hull cellulose synthetic resin includes following preparation process,
A, the molecule powdered rice hulls that 50~70 parts of rice husks grind to form 100~200 mesh are weighed according to parts by weight；
B, the powdered rice hulls in step a are put into high temperature and high speed mixer, add parts by weight for 10~25 parts cellulose and
10~35 parts of starch are well mixed, and add the PP that parts by weight are 10~35 parts in mixed process, are then taken out cooling, are obtained
To rice hull cellulose powder；
C, by parts by weight it is that 15~35 parts of natural resin and 65~85 parts of lignin are put into reactor, then by parts by weight
Added for 10~20 parts of PP and slurry is stirred into kettle, heat 100~300 DEG C, it is 5~15 parts of nanometers then to add parts by weight
Silica continues after stirring, and kettle temperature is down into less than 120 DEG C, and the rice hull cellulose powder for adding 30~7 parts continues to stir,
Material stirring takes out after uniformly cooling down, and pasty material is made；
D, step c pasty material is directly injected into flash dryer, drying process hot blast temperature control at 60~120 DEG C,
Moisture content discharges at 5~15%, and the rice hull cellulose synthetic resin powder of brownish yellow powder is made；
E, by packing and storing after the cooling of step d rice hull cellulose synthetic resin powder.
By above-mentioned technical proposal, the PP added in the rice hull cellulose of preparation can coat rice hull cellulose powder, then synthesis tree
Fat has certain water resistance, then is just difficult breed bacteria microorganism in use.
The present invention is further arranged to：The temperature of mixer in step 2 is 30~35 DEG C.
By above-mentioned technical proposal, the least a portion of thawing that temperature setting within the range can be tentatively is then enabled to
Tentatively it is crosslinked between individual component, part crosslinking can just avoid powdered rice hulls from being dispersed in mixed process.
The present invention is further arranged to：At least one of natural resin selection edible gelatin, hydrogenated rosin in step c.
By above-mentioned technical proposal, edible gelatin, hydrogenated rosin can play the action effect of gluing, so can just make
The rice hull cellulose synthetic resin that must degrade crosslinking is close.
A kind of another goal of the invention of the present invention, preparation technology of antibacterial chopping board includes following preparation process：
Step A：3~5 parts of bamboo charcoals, 5~10 parts of starch, 70~80 parts of degradation plastics, 2~6 parts of antibacterials are weighed according to parts by weight
Agent is sequentially added into injection molding machine of plastic, and the temperature of injection machine is heated into 200~210 DEG C, each component fully dissolve after by
Injection forms antibacterial body in injection machine injection chopping board mould, and antibacterial body is taken out after mould is cooled down；
Step B：Antibacterial body in step A is placed on chopping board cooling pressure setting and cooled down；
Step C：Antibacterial body after being cooled down in step B is placed on injection machine, is 70~80 parts of PP or PE by parts by weight,
2~6 parts of antiseptics, 5~10 parts of starch are added in injection machine hopper, and cladding is extruded into after being heated through 200~210 DEG C of temperature
The antibacterial chopping board of shaping is taken out after antislip body on antibacterial body, cooling.
Set and cooled down using cooling compacting by above-mentioned technical proposal, in preparation process, can speed up the cold of chopping board
But process, and can prevent chopping board from the chopping board knot of phenomenon, then production department that volume sticks up occurring in cooling procedure to a certain extent
Structure is regular.
The present invention is further arranged to：It is right first in step A during degradation plastic selection degraded rice hull cellulose synthetic resin
Temperature is increased to 200~210 DEG C of dissolvings by drying 2h again at each component in injection molding machine of plastic and 70~95 DEG C.
By above-mentioned technical proposal, the material easily absorbs during degradation plastic selection degraded rice hull cellulose synthetic resin,
Then carry out drying first and can reduce moisture evaporation when temperature is higher in process occurring pit occur on the chopping board processed
Etc. phenomenon.
The present invention is further arranged to：It is formed with antibacterial body through the formation of chopping board mold injection in step A some close
The projection of cloth distribution.
By above-mentioned technical proposal, raised setting can be cut on raised surface cutter when cutter is cut,
The phenomenon for the substantial amounts of bacteria breed that the cut produced on the antibacterial body of plane is caused can then be reduced.
In summary, having the beneficial effect that in contrast to prior art of the invention：
1st, the antibacterial chopping board set had both had the action effect of antibacterial, also with degradable function, was difficult to grow when in use
Bacterium, while waste and old chopping board degraded is very fast, the pollution to environment is small；
2nd, the water resistance of chopping board is excellent, then the phenomenon for the easy corruption that can be prevented effectively from the state of moistening.
Brief description of the drawings
Fig. 1 is the first viewing angle constructions figure of embodiment, it is intended to represent the position relationship of antibacterial body upper surface and antislip body；
Fig. 2 is the structure chart of the second embodiment of embodiment, it is intended to represent the lower surface of antibacterial body and the position relationship of antislip body.
Reference：1st, antibacterial body；2nd, antislip body；3rd, it is raised.
Embodiment
The present invention is described in further detail with reference to embodiments.
Embodiment 1
A kind of antibacterial chopping board, includes degradable antibacterial body 1 and is coated on the antislip body 2 at the edge of antibacterial body 1, in antibacterial
The projection 3 of some densely covered distributions is provided with body 1；
Antibacterial body 1 includes the component of following parts by weight, 3 parts of bamboo charcoals, 5 parts of starch, 70 parts of degraded PP resins, 2 parts of nanometers
Zinc oxide；
Antislip body 2 includes the component of following weight fraction, 70 parts of PP, 2 parts of nano zine oxides and 5 parts of starch.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is in the difference with antibacterial body 1 and the parts by weight of the component of antislip body 2；Antibacterial body
1 includes the component of following parts by weight, 4 parts of bamboo charcoals, 6 parts of starch, 72 parts of degraded rice hull cellulose synthetic resin, 3 parts of nano oxygens
Change zinc；
Antislip body 2 includes the component of following weight fraction, 72 parts of PP, 3 parts of nano zine oxides and 6 parts of starch.
Embodiment 3
The difference of embodiment 3 and embodiment 1 is in the difference with antibacterial body 1 and the parts by weight of the component of antislip body 2；Antibacterial body
1 includes the component of following parts by weight, 5 parts of bamboo charcoals, 7 parts of starch, 74 parts of degraded PP resins, 4 parts of nano zine oxides；
Antislip body 2 includes the component of following weight fraction, 74 parts of PP, 4 parts of nano zine oxides and 7 parts of starch.
Embodiment 4
The difference of embodiment 4 and embodiment 1 is in the difference with antibacterial body 1 and the parts by weight of the component of antislip body 2；Antibacterial body
1 includes the component of following parts by weight, 5 parts of bamboo charcoals, 8 parts of starch, 76 parts of degraded rice hull cellulose synthetic resin, 5 parts of nano oxygens
Change zinc；
Antislip body 2 includes the component of following weight fraction, 76 parts of PP, 5 parts of nano zine oxides and 8 parts of starch.
Embodiment 5
The difference of embodiment 5 and embodiment 1 is in the difference with antibacterial body 1 and the parts by weight of the component of antislip body 2；Antibacterial body
1 includes the component of following parts by weight, 4 parts of bamboo charcoals, 9 parts of starch, 78 parts of degraded PP resins, 6 parts of nano zine oxides；
Antislip body 2 includes the component of following weight fraction, 30 parts of PP, 48 parts of PE, 6 parts of nano zine oxides and 9 parts of starch.
Embodiment 6
The difference of embodiment 6 and embodiment 1 is in the difference with antibacterial body 1 and the parts by weight of the component of antislip body 2；Antibacterial body
1 includes the component of following parts by weight, 3 parts of bamboo charcoals, 10 parts of starch, 80 parts of degraded rice hull cellulose synthetic resin, 6 parts of nano oxygens
Change zinc；
Antislip body 2 includes the component of following weight fraction, 40 parts of PP, 40 parts of PE, 6 parts of nano zine oxides and 10 parts of starch.
Embodiment 7
A kind of preparation technology of antibacterial chopping board, includes following preparation process：
Step A：The component of antibacterial body 1 in embodiment 1~7 is weighed according to parts by weight to sequentially add into injection molding machine of plastic, will be noted
The temperature of molding machine is heated to 200~210 DEG C, and each component injects injection in chopping board mould by injection machine after fully dissolving and forms anti-
Bacterium body 1, antibacterial body 1 is taken out after mould is cooled down；
Step B：Antibacterial body 1 in step A is placed on chopping board cooling pressure setting and cooled down；
Step C：Antibacterial body 1 after being cooled down in step B is placed on injection machine, the antislip body 2 in embodiment 1~7 is weighed
Component is added into injection machine hopper, is extruded into being coated on after heating through 200~210 DEG C of temperature anti-on antibacterial body 1
Obtained antibacterial chopping board is taken out after gliding mass 2, cooling.
Experiment detection
1st, outward appearance：Free from flaw, greasy dirt and impurity, slitter edge finishing are smooth；
2nd, drop performance：Sample is placed in -15 DEG C of refrigerating chamber and taken out after 3h, 1.5m eminences is placed in, parallel to smooth water
Mud ground face free-electron model, checks whether cracking, cracking phenomena；
3rd, antibiotic property：By quantitative inoculated bacteria on chopping board to be detected, bacterium is uniformly contacted sample with the method for pad pasting, pass through
Cross after regular hour culture, the viable count surveyed on chopping board calculates the bacteriostasis rate of chopping board；
4th, degradation property：The chopping board that component by embodiment 1~6 is made is surveyed in heavy natural sunning or xenon lamp artificial acceleration exposure
Go out elongation at break≤5%, weight is with respect to molecular weight and molecular weight rate >=80%.
The laboratory test results of the embodiment 1~6 of table 1
Data in table 1 can show that the processed chopping board being made of the component of embodiment 1~6 meets the requirements, with excellent
Good intensity, anti-microbial property and degradation property, wherein selection example 6 are used as reference implementation example.
Comparative example 1
The difference of comparative example 1 and embodiment 6 is not containing bamboo charcoal in the component of antibacterial body, and other keep with embodiment 5
Unanimously.
Comparative example 2
The difference of comparative example 2 and embodiment 6 is in the preparation process b of degraded rice hull cellulose synthetic resin to add 10~35 parts
Water, PP is not added, and other are consistent with embodiment 6.
Comparative example 3
The difference of comparative example 3 and embodiment 7 is when degradation plastic selection degraded rice hull cellulose synthetic resin, in step A
Each component in direct injection molding machine of plastic is increased to 200~210 DEG C of dissolvings, and other are consistent with embodiment 7.
Experiment detection, is detected according to the experiment detection method in embodiment 1~7
The laboratory test results of the comparative example 1~3 of table 2
| Detection project | Comparative example 1 | Comparative example 2 | Comparative example 3 | Embodiment 6 |
| Outward appearance | It is qualified | There is micropore | There is micropore | It is qualified |
| Drop performance | It is qualified | It is qualified | It is qualified | It is qualified |
| Bacteriostasis rate/% | 97 | Visible mold | Visible mold | 99.2 |
| Elongation at break/% | 4.7 | 6.1 | 5.2 | 4 |
| Weight is with respect to molecular weight and molecular weight rate/% | 82 | 89 | 85 | 88 |
Contrast the experimental result of comparative example 1 and embodiment 6, it can be seen that changed in terms of bacteriostasis property, so
Applicant can reasonably derive that the bamboo charcoal of addition can be mutually crosslinked with the first antiseptic.The first antiseptic can then be strengthened
Attachment fastness, then antibacterial effect just can be relatively more lasting, and when being free of bamboo charcoal in component in comparative example 1, the degradation property of material
Reduction, the bamboo charcoal that can reasonably derive addition more with applicant can directly have the effect cooperateed with, enhancing with degradative plastics
The degradation property of material；Comparative example 2 and the component in embodiment 6 are contrasted again, wherein in the system of degraded rice hull cellulose synthetic resin
In Preparation Method, PP is replaced with into water, the bacteriostasis rate of material is substantially reduced, then illustrate its generation of the degraded rice hull cellulose of water of addition
Void ratio it is larger, when placing standby, hole can absorb moisture, then moisture evaporation, dish under high temperature in machine-shaping chopping board
The growth that bacterium is easily caused under moisture long-time storage can be gathered by occurring on plate in micropore, micropore, accelerate the shadow that addles of chopping board
Ring the structural strength to chopping board；Finally contrast comparative example 3 and embodiment 7, in the process of chopping board, one are not first passed through and is done
Can there are more hole, easy breed bacteria microorganism in the chopping board that dry process is similarly generated.
Described above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (10)
1. a kind of antibacterial chopping board, include degradable antibacterial body (1) and be coated on the antislip body at antibacterial body (1) edge
(2), it is characterized in that：The antibacterial body (1) includes the component of following parts by weight, 3 ~ 5 parts of bamboo charcoals, 5 ~ 10 parts of starch, 70 ~
80 parts of degradation plastics, 2 ~ 6 part of first antiseptic；Degradation plastic selection degraded PP resins or degraded rice hull cellulose synthesis tree
Fat.
2. a kind of antibacterial chopping board according to claim 1, it is characterized in that：The antislip body (2) includes parts by weight and is
70 ~ 80 parts of PP and/or PE, 2 ~ 6 part of second antiseptic and 5 ~ 10 parts of starch.
3. a kind of antibacterial chopping board according to claim 2, it is characterized in that：First antiseptic and the second antiseptic are selected
Select the nano zine oxide of acidity.
4. a kind of antibacterial chopping board according to claim 1, it is characterized in that：The degraded PP resins include following preparation
Process,
Step 1, by inorganic filler calcium carbonate, talcum powder, polyethylene low-molecular-weight wax, be directly added into PP resins, it is mixed by high speed
Conjunction machine is mixed, and is plasticated by double screw extruder and granulation obtains mother particles of polypropylene resin, extruder temperature control 200 ~
220℃；
Step 2, by starch, polyethylene low-molecular-weight wax, be directly added into PP resins, mixed by high-speed mixer, and by double
Screw extruder is plasticated and granulated, and obtains degradation master batch；
Step 3, functional agglomerate and polypropylene high molecular material and antibacterial matrices are 10 by ratio of weight and the number of copies:1 ratio uniform is mixed
With.
5. a kind of antibacterial chopping board according to claim 1, it is characterized in that：The degraded rice hull cellulose synthetic resin includes
Following preparation process,
A, the molecule powdered rice hulls that 50 ~ 70 parts of rice husks grind to form 100 ~ 200 mesh are weighed according to parts by weight；
B, the powdered rice hulls in step a are put into high temperature and high speed mixer, add the cellulose and 10 that parts by weight are 10 ~ 25 parts
~ 35 parts of starch are well mixed, and add the PP that parts by weight are 10 ~ 35 parts in mixed process, are then taken out cooling, are obtained rice
Case fibre powder；
C, by parts by weight it is that 15 ~ 35 parts of natural resin and 65 ~ 85 parts of lignin are put into reactor, then by parts by weight
Added for 10 ~ 20 parts of PP and slurry is stirred into kettle, heat 100 ~ 300 DEG C, it is 5 ~ 15 parts of nanometers two then to add parts by weight
Silica continues after stirring, and kettle temperature is down into less than 120 DEG C, and the rice hull cellulose powder for adding 30 ~ 7 parts continues to stir, thing
Material stir cooling after take out, pasty material is made；
D, step c pasty material is directly injected into flash dryer, drying process hot blast temperature control at 60 ~ 120 DEG C,
Moisture content discharges at 5 ~ 15%, and the rice hull cellulose synthetic resin powder of brownish yellow powder is made；
E, by packing and storing after the cooling of step d rice hull cellulose synthetic resin powder.
6. a kind of antibacterial chopping board according to claim 5, it is characterized in that：The temperature of mixer in step 2 is 30 ~ 35
℃。
7. a kind of antibacterial chopping board according to claim 5, it is characterized in that：In step c natural resin selection edible gelatin,
At least one of hydrogenated rosin.
8. a kind of preparation technology of antibacterial chopping board, it is characterized in that：Include following preparation process：
Step A：Weigh 3 ~ 5 parts of bamboo charcoals according to parts by weight, 5 ~ 10 parts of starch, 70 ~ 80 parts of degradation plastics, 2 ~ 6 parts of antiseptics according to
The temperature of injection machine is heated to 200 ~ 210 DEG C by secondary addition into injection molding machine of plastic, each component fully dissolve after by injection machine
Injection forms antibacterial body (1) in injection chopping board mould, and antibacterial body (1) is taken out after mould is cooled down；
Step B：Antibacterial body (1) in step A is placed on chopping board cooling pressure setting and cooled down；
Step C：By in step B cool down after antibacterial body (1) be placed on injection machine, by parts by weight be 70 ~ 80 parts of PP or
PE, 2 ~ 6 parts of antiseptics, 5 ~ 10 parts of starch are added in injection machine hopper, and cladding is extruded into after being heated through 200 ~ 210 DEG C of temperature
Antislip body (2) on antibacterial body (1), takes out the antibacterial chopping board of shaping after cooling.
9. a kind of preparation technology of antibacterial chopping board according to claim 8, it is characterized in that：Degradation plastic selection degraded rice
During case fibre synthetic resin, first to drying 2h at each component in injection molding machine of plastic and 70 ~ 95 DEG C again by temperature liter in step A
Up to 200 ~ 210 DEG C dissolvings.
10. a kind of preparation technology of antibacterial chopping board according to claim 8, it is characterized in that：Noted in step A through chopping board mould
It is moulding into antibacterial body (1) on be formed with the projections (3) of some densely covered distributions.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106977969A (en) * | 2017-04-17 | 2017-07-25 | 广东善健健康产业有限公司 | Antibacterial and mouldproof wood-fibred chopping block and preparation method thereof |
| CN108542287A (en) * | 2018-03-30 | 2018-09-18 | 山东万图高分子材料股份有限公司 | A kind of environment-protecting clean Anti-skid shopping board and preparation method thereof |
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| JPH09215613A (en) * | 1996-02-09 | 1997-08-19 | Kayoko Sora | Chopping board cut-proof by kitchen knife |
| JP2005021565A (en) * | 2003-07-01 | 2005-01-27 | Sumitomo Bakelite Co Ltd | Nonslip sheet for chopping board |
| CN201171632Y (en) * | 2008-03-27 | 2008-12-31 | 武汉璞儿抗菌用品有限公司 | Antibiotic antislip vegetable board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977969A (en) * | 2017-04-17 | 2017-07-25 | 广东善健健康产业有限公司 | Antibacterial and mouldproof wood-fibred chopping block and preparation method thereof |
| CN108542287A (en) * | 2018-03-30 | 2018-09-18 | 山东万图高分子材料股份有限公司 | A kind of environment-protecting clean Anti-skid shopping board and preparation method thereof |
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| CN106977810B (en) | 2020-04-28 |
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