CN107118427A - A kind of PE preservative films and production technology with antibacterial functions - Google Patents
A kind of PE preservative films and production technology with antibacterial functions Download PDFInfo
- Publication number
- CN107118427A CN107118427A CN201710459054.8A CN201710459054A CN107118427A CN 107118427 A CN107118427 A CN 107118427A CN 201710459054 A CN201710459054 A CN 201710459054A CN 107118427 A CN107118427 A CN 107118427A
- Authority
- CN
- China
- Prior art keywords
- blast
- extruder head
- preservative films
- production technology
- dish type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of PE preservative films and production technology with antibacterial functions, belong to packaging material for food field, especially PE preservative films and its technical field of producing.It is characterized in that the component included by weight is：Low density polyethylene, 40 45 parts；LLDPE LLDPE, 50 56 parts；Viscosify master batch, 2 2.5 parts；Glycerin mono-fatty acid ester GMO, 0.5 1 parts；Silver-ion antibiotic additive, 0.5 1 parts；Wherein, thickening master batch includes 60% polyisobutene PIB and 40% LLDPE LLDPE by weight.PE preservative films of the present invention can effectively extend the fresh-keeping and storage time of food, good anti-bacterial effect, has a broad antifungal spectrum, with it is long-acting, non-degradable, safe and environment-friendly, reliable the features such as；The advantages characteristic of molding product in addition, the technique and special equipment structure design of this product are fitted, helps to lift the quality and speed of production of product, reduces cost.
Description
Technical field
The invention belongs to packaging material for food field, especially PE preservative films and its technical field of producing, specifically relate to
And a kind of PE preservative films and production technology with antibacterial functions.
Background technology
PE preservative films are the plastic packing products for the class fresh-keeping foodstuff that people commonly use, and are all be unable to do without now with many families
They.Food in microwave oven heating can be used, and food is deposited in refrigerator can equally use, and people tend to think to have used its food
With regard to that can obtain safe protection, therefore, preservative film has become one of indispensable daily necessities of people.
But the PE preservative films of production and sales belong to common PE food fresh keeping membrane on existing market, fresh keeping time is short, easily
Breed bacteria, is adversely affected to the healthy of people.
In consideration of it, applicant is by long-term experimental study, a kind of PE preservative films with antibacterial functions are invented, can have been had
The fresh-keeping and storage time of effect extension food, good anti-bacterial effect, has a broad antifungal spectrum, with long-acting, non-degradable, safe and environment-friendly, reliable
The features such as；The advantages characteristic of molding product in addition, the technique and special equipment structure design of this product are fitted, contributes to lifting to produce
The quality and speed of production of product, reduce cost.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of PE preservative films and production technology with antibacterial functions, energy
Effectively extension food fresh-keeping and storage time, good anti-bacterial effect, has a broad antifungal spectrum, with it is long-acting, non-degradable, safe and environment-friendly, can
By the features such as；Second technical problem that the present invention is solved is that production is moulded in the technique of this product and the laminating of special equipment structure design
The advantages characteristic of product, helps to lift the quality and speed of production of product, reduces cost.
In order to solve the above technical problems, the technical scheme is that：A kind of PE preservative films with antibacterial functions are provided,
It is characterized in that：The component included by weight is：
40-45 parts of low density polyethylene；
50-56 parts of LLDPE LLDPE；
Viscosify 2-2.5 parts of master batch；
1-1.5 parts of glycerin mono-fatty acid ester GMO；
0.5-1 parts of silver-ion antibiotic additive；
Wherein, thickening master batch includes 60% polyisobutene PIB and 40% LLDPE LLDPE by weight.
A kind of production technology of PE preservative films with antibacterial functions of the present invention, it is characterised in that：Including as follows
Step：
（1）Various raw materials are proportionally placed into mixing tank, and are sufficiently mixed by the agitating device in mixing tank；
（2）By the raw material mixed by preheating, formed and just expected, just material enters the first settling vat and the second settling vat；
（3）While the first material in the second settling vat is carried out into secondary stir evenly by screw mixer, raw material feeding film is squeezed
Go out machine；
（4）After the three layer filtration device filtering that raw material passes through thin film extruding machine, then through the spiral boosting feeding in thin film extruding machine
Device sends into extrusion die, then, and extrusion die carries out high temperature melting to just material, and extrusion temperature is 150-170 degrees Celsius, and is taken advantage of
Heat uses compressed air inflation, while increasing its bright degree with tetanic cold front heavy rain, is blown into cylindrical membrane semi-finished product；
（5）Through overcooled cylindrical membrane semi-finished product after extruding exhaust, by drawing wrapping machine by cylindrical membrane semi-finished product
Batch to film roller, at the same time, cut two side strips of cylindrical membrane semi-finished product by edge severing machine；Cutting width
Less than 10mm；Now obtain the PE preservative film finished products in film roller.
It is preferred that, the production technology of the PE preservative films with antibacterial functions also includes（6）Clout recycling step, institute
State（6）Clout recycling step includes following process：
6.1st, the side strip under cutting is recycled to recovery capsule, and is crushed to the particle that particle diameter is less than 3mm；
6.2nd, the particle after the crushing is transferred back in mixing tank again by particle recovery tube, is mixed again with raw material and high temperature
Fusing is recycled.
It is preferred that, metal stirring wing is set in the mixing tank, and the metal stirring wing connects stirring motor, the stirring
Motor can drive metal stirring wing to rotate；Circuit is set to accommodate storehouse in the lower section of mixing tank, the circuit is accommodated in storehouse and set
Induction coil, affiliated induction coil connects high frequency induction power supply, and when the high frequency induction power supply is powered to induction coil, metal is stirred
Heating can be sensed by mixing wing, and heating temp is 80-100 degrees Celsius；Material is preheated while mixing.
It is preferred that, internal partition is set in first settling vat and the second settling vat, and the internal partition is respectively by the first He
Space is separated into " u "-shaped space in the bucket of second settling vat, and mixing tank connects " u "-shaped in the first settling vat by the first passage
The other end in " u "-shaped space connects " u "-shaped sky in the second settling vat by the second passage in the one end in space, the first settling vat
Between one end；The other end in " u "-shaped space connects thin film extruding machine by the 3rd passage in first settling vat；Described first,
Second and the 3rd sets screw mixer in passage.
It is preferred that, the thin film extruding machine includes setting spiral boosting feed device, three layer filtration in casing, the casing
Device, extrusion device and compressed gas huffing device；One end of the spiral boosting feed device connects the 3rd passage, spiral
The other end for increasing feed device connects extrusion device by three layer filtration device, and it is thin that the extrusion device can extrude tubular
Film；The middle part extruded in extrusion device sets compressed gas huffing device, and the compressed gas huffing device can blow out compression
Gas is from inside by cylindrical membrane rising；The upper end connection traction wrapping machine of cylindrical membrane.
It is preferred that, the extrusion device includes dish type extruder head, jack-up formula electric heating device and extruder head quick change machinery
Hand, the dish type extruder head is high-resistance metal conductive material；Annular nozzle is set on dish type extruder head, squeezed by annular
Cylindrical membrane can be extruded by going out mouth；In the lower section of dish type extruder head, jack-up formula electric heating device is set；The extruder head quick change
Manipulator is capable of the dish type extruder head of Quick-changing different model and is placed on jack-up formula electric heating device.
It is preferred that, the jack-up formula electric heating device includes grid screen block electric installation and is accurately positioned liftout attachment；
The grid screen block electric installation includes inserting on grid rack, the grid rack and sets several array grid blocks,
Positive and negative electrode contact is set respectively on array grid block；The positive and negative electrode contact connect respectively high-tension current generator and
Current switching controller；The high-tension current generator can produce high-tension current and be passed by wire by current switching controller
It is defeated by positive and negative electrode contact；The current switching controller is capable of the break-make of tapping mode high-tension current, forms high-voltage pulse electric
Stream；
Set in the bottom of grid rack and be accurately positioned liftout attachment, the liftout attachment that is accurately positioned is fixed including liftout attachment
Several locating rods are set on frame, liftout attachment fixed mount, fixed lifting backing-out punch and positioning are filled respectively at the two ends of locating rod
Put；The lifting backing-out punch includes " mouth " shape angled slide block and ejection power set, and the ejection power set are fixed on locating rod
Go up and angled slide block can be ejected or withdrawn upwards, can be by corresponding top array grid block jack-up when angled slide block is lifted；Institute
Positioner is stated including " u "-shaped push rod and positioning power device, one end connection positioning power device of the push rod, push rod it is another
One end connection lifting backing-out punch, positioning power device can transversely locating rod promotes or retracted lifting backing-out punch by push rod；
It is preferred that, in addition to master controller, the master controller can control locating rod according to the pre-set dimension of dish type extruder head
Spacing between the angled slide block at two ends is equal to or less than the diameter of dish type extruder head；Angled slide block is driven by ejection power set and risen
To upper limit, the array grid block jack-up above angled slide block is formed and lifts platform；Described lift includes at least two on platform
Positive and negative electrode contact, when dish type extruder head is placed into by extruder head quick change manipulator to be lifted on platform, can realize that pulse is high
The path connection of volt circuit so that dish type extruder head produces hyperpyrexia in the presence of high voltage pulse electric current, realizes the height to material
Temperature fusing, and realize synchronous extrusion；
Ejecting power set includes tubular sliding block, and on the securing lever, outside in tubular sliding block is set with the tubular slide block set dress
Motorized pulleys, and in the outside suit cast gear of motorized pulleys；Tooth form bar is set in the endoporus of " mouth " shape angled slide block, it is described
Cast gear is intermeshed with tooth form bar；Non-circular through hole is set on the tubular sliding block, the cross sectional shape of the locating rod with
The shape of cross section of the non-circular through hole of tubular sliding block is identical；The push rod connects tubular sliding block；The motorized pulleys being capable of band
Moving-coil shape pinion rotation, while driving tooth form bar and angled slide block to rise or fall.
It is preferred that, the extrusion device also includes air pressure control device, and the air pressure control device includes tubular air compartment, institute
Dish type extruder head and its cylindrical membrane of extrusion can be covered by stating tubular air compartment；The bottom of the tubular air compartment surrounds cylindrical membrane
The cold wind blowpipe to up-draught is uniformly arranged within one week, the cold wind blowpipe connects air-cooler；On the top of tubular air compartment, row is set
Contactless blast controller is installed on air duct, the exhaust tube；
Contactless blast controller includes blast and adjusts setting hollow sandwich in cylinder, the perisporium of the blast regulation cylinder,
Wind pressure adjusting device is set in blast adjustment barrel body, wind pressure adjusting plates rotary power unit, the wind are set in hollow sandwich
Adjusting means is pressed to include blast flap and magnetic mounting bracket, the two ends of blast flap are hinged on the inwall of blast regulation cylinder,
Blast flap connects magnetic mounting bracket, and internal magnet is set at the two ends of magnetic mounting bracket；The wind pressure adjusting plates rotary power dress
Put including blast regulation motor and outer runner, external magnet is installed on outer runner, external magnet and internal magnet attract each other；The wind
Press regulation motor by transmission system connection outer runner can be driven to rotate, at the same time external magnet drives internal magnet and magnetic peace
Rotation is shelved, changes the anglec of rotation of blast flap, and then control the air pressure in tubular air compartment；
The contactless blast controller also includes blast flap cleaning device, and the blast flap cleaning device includes cleaning
Device mounting rod, the cleaning device mounting rod is arranged at the import of blast regulation cylinder, is set on cleaning device mounting rod
Put and the cleaning band body of more than one is fixed on several vibrating springs, each vibrating spring.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, in the present invention, the silver ion inorganic antibacterial additive added is a kind of highly effective and safe and heat-resisting inorganic material, energy
It is widely used in the products such as weaving, plastics, rubber, coating.Its multi-size, can be used with most polymers match materials, by
In its excellent matching fertile material can be made to play excellent antimicrobial and antibacterial effect.Even if low concentration application is also reachable
To preferable effect.Its physical and chemical performance is sufficiently stable, either still all has in the process of use in process outstanding
Resistance to dyeing and discoloration-resisting, using the fertile material transparency of this product without obvious reduction, product manufacturing mould is not destroyed.More
Importantly there is higher security using this product.
By adding silver ion inorganic antibacterial additive, following advantage can be brought to product：
（1）Low addition, the anti-microbial property of high-efficiency broad spectrum；
（2）Good heat resistance and discoloration-resisting；
（4）Reliable security；
（5）Antibacterial, mould proof effect can be kept for a long time.
In addition, thickening master batch product is the thickening master batch containing 60%PIB using LLDPE as carrier, tackifier PIB is different
The mixture of molecular weight, can so obtain optimal quasi-viscous effect.
2nd, the PE preservative films that the present invention is produced have the characteristics that：
（1）The bacterial growth on preservative film surface, bacterium number, which can be suppressed, gradually to be reduced.With long-time bacteriostasis efficacy；
（2）Efficiently, the anti-microbial property of wide spectrum, antibacterial continuation is good：
（3）Nontoxic free from extraneous odour, to packaging food and environmental nonpollution；
（4）Colour stability is good, the nondiscolouring during preservation and use；
（5）There are good chemical stability, acid and alkali resistance and chemicals.
3rd, the present invention is by setting clout recycling step, and it is sharp again that the clout that can produce trimming reclaims melting
With effectively save production cost improves the utilization rate of raw material.
4th, the advantages characteristic of the technique of this product and special equipment structure design laminating molding product, helps to lift product
Quality and speed of production, reduce cost.
Brief description of the drawings
Fig. 1 is the structural representation of patent production equipment of the present invention；
Fig. 2 is the structural representation of thin film extruding machine；
Fig. 3 is the structural representation of jack-up formula electric heating device（Place dish type extruder head）；
Fig. 4 is the structural representation of jack-up formula electric heating device；
Fig. 5 is the structural representation for being accurately positioned liftout attachment；
Fig. 6 is the structural representation of contactless blast controller；
In figure：
1st, cylindrical membrane semi-finished product；2nd, wrapping machine is drawn；
3rd, contactless air pressure control device；3.1st, magnetic mounting bracket；3.2nd, internal magnet；3.3rd, hollow sandwich；3.4th, blast turns
Plate；3.5th, outer runner；3.6th, external magnet；3.7th, blast regulation motor；3.8th, cleaning device mounting rod；3.9th, vibrating spring；
3.10th, cleaning band body；
4th, tubular air compartment；5th, the 3rd passage；6th, internal partition；7th, the second passage；8th, stirring motor；9th, mixing tank；10th, it is golden
Belong to stirring wing；11st, induction coil；12nd, the first passage；13rd, the first settling vat；14th, internal partition；15th, the second settling vat；16、
Cold wind blowpipe；17th, thin film extruding machine；18th, dish type extruder head；19th, grid rack；20th, array grid block；21st, spiral boosting is sent
Expect device；22nd, angled slide block；23rd, locating rod；24th, cast gear；25th, positive and negative electrode contact；26th, liftout attachment fixed mount；27、
Positioning power device；28th, push rod.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of PE preservative films with antibacterial functions of the present invention, the component included by weight
For：
40-45 parts of low density polyethylene；
50-56 parts of LLDPE LLDPE；
Viscosify 2-2.5 parts of master batch；
1-1.5 parts of glycerin mono-fatty acid ester GMO；
0.5-1 parts of silver-ion antibiotic additive；
Wherein, thickening master batch includes 60% polyisobutene PIB and 40% LLDPE LLDPE by weight.
The material composition and proportioning of specific embodiment are referring to following table：
Table one：
| Composition | Embodiment one | Embodiment two | Embodiment three |
| Low density polyethylene | 40 parts | 42 parts | 45 parts |
| LLDPE LLDPE | 50 parts | 53 parts | 56 parts |
| Viscosify master batch | 2 parts | 2.2 part | 2.5 part |
| Glycerin mono-fatty acid ester GMO | 0.5 part | 0.75 part | 1 part |
| Silver-ion antibiotic additive | 0.5 part | 0.7 part | 1 part |
A kind of production technology of PE preservative films with antibacterial functions of the present invention, comprises the following steps：
（1）Various raw materials are proportionally placed into mixing tank, and are sufficiently mixed by the agitating device in mixing tank；
（2）By the raw material mixed by preheating, formed and just expected, just material enters the first settling vat and the second settling vat；
（3）While the first material in the second settling vat is carried out into secondary stir evenly by screw mixer, raw material feeding film is squeezed
Go out machine；
（4）After the three layer filtration device filtering that raw material passes through thin film extruding machine, then through the spiral boosting feeding in thin film extruding machine
Device sends into extrusion die, then, and extrusion die carries out high temperature melting to just material, and extrusion temperature is 150-170 degrees Celsius, and is taken advantage of
Heat uses compressed air inflation, while increasing its bright degree with tetanic cold front heavy rain, is blown into cylindrical membrane semi-finished product；
（5）Through overcooled cylindrical membrane semi-finished product after extruding exhaust, by drawing wrapping machine by cylindrical membrane semi-finished product
Batch to film roller, at the same time, cut two side strips of cylindrical membrane semi-finished product by edge severing machine；Cutting width
Less than 10mm；Now obtain the PE preservative film finished products in film roller.
（6）Clout recycling step includes following process：
6.1st, the side strip under cutting is recycled to recovery capsule, and is crushed to the particle that particle diameter is less than 3mm；
6.2nd, the particle after the crushing is transferred back in mixing tank again by particle recovery tube, is mixed again with raw material and high temperature
Fusing is recycled.
The production technology of PE preservative films of the present invention with antibacterial functions needs following equipment：Mixing tank, first
Settling vat and the second settling vat, thin film extruding machine and traction wrapping machine.
As shown in figure 1, setting metal stirring wing in the mixing tank, the metal stirring wing connects stirring motor, described
Stirring motor can drive metal stirring wing to rotate；Circuit is set to accommodate storehouse in the lower section of mixing tank, the circuit is accommodated in storehouse
Induction coil is set, and affiliated induction coil connects high frequency induction power supply, when the high frequency induction power supply is powered to induction coil, gold
Category stirring wing can sense heating, and heating temp is 80-100 degrees Celsius；Material is preheated while mixing.
Internal partition is set in first settling vat and the second settling vat, and the internal partition is respectively by the first and second sedimentations
Space is separated into " u "-shaped space in the bucket of bucket, and mixing tank connects one of " u "-shaped space in the first settling vat by the first passage
The other end in " u "-shaped space connects one of " u "-shaped space in the second settling vat by the second passage in end, the first settling vat
End；The other end in " u "-shaped space connects thin film extruding machine by the 3rd passage in first settling vat；First, second He
Screw mixer is set in the 3rd passage.
As shown in Fig. 2 the thin film extruding machine includes casing, set in the casing spiral boosting feed device, three layers
Filter, extrusion device and compressed gas huffing device；One end of the spiral boosting feed device connects the 3rd passage,
The other end of spiral increase feed device connects extrusion device by three layer filtration device, and the extrusion device can extrude tubular
Film；The middle part extruded in extrusion device sets compressed gas huffing device, and the compressed gas huffing device can blow out pressure
Contracting gas is from inside by cylindrical membrane rising；The upper end connection traction wrapping machine of cylindrical membrane.
As shown in figure 4, the extrusion device is changed planes soon including dish type extruder head, jack-up formula electric heating device and extruder head
Tool hand, the dish type extruder head is high-resistance metal conductive material；Annular nozzle is set on dish type extruder head, passes through annular
Nozzle can extrude cylindrical membrane；In the lower section of dish type extruder head, jack-up formula electric heating device is set；The extruder head is fast
Manipulator is changed to be capable of the dish type extruder head of Quick-changing different model and be placed on jack-up formula electric heating device.
As seen in figures 3-6, the jack-up formula electric heating device includes grid screen block electric installation and is accurately positioned ejection
Device；
As shown in Figures 3 and 4, the grid screen block electric installation, which includes inserting on grid rack, the grid rack, sets some
Individual array grid block, positive and negative electrode contact is set on array grid block respectively；The positive and negative electrode contact connects height respectively
Piezoelectricity flow-generator and current switching controller；The high-tension current generator can produce high-tension current and pass through electricity by wire
Stream on-off controller is transferred to positive and negative electrode contact；The current switching controller is capable of the break-make of tapping mode high-tension current,
Form high-voltage pulse current；
Liftout attachment is accurately positioned as shown in figure 5, being set in the bottom of grid rack, the liftout attachment that is accurately positioned includes top
Go out on device fixed mount, liftout attachment fixed mount and several locating rods are set, in the fixed lifting ejection respectively of the two ends of locating rod
Device and positioner；The lifting backing-out punch includes " mouth " shape angled slide block and ejection power set, and the ejection power set are consolidated
Determine on the securing lever and angled slide block can be ejected or withdrawn upwards, can be by corresponding top array grid when angled slide block is lifted
Lattice block jack-up；The positioner includes " u "-shaped push rod and positioning power device, one end connection positioning power dress of the push rod
Put, the other end connection lifting backing-out punch of push rod, positioning power device can transversely locating rod be promoted or retracted by push rod
Lift backing-out punch；
Extrusion device also includes master controller, and the master controller can be according to the pre-set dimension of dish type extruder head, control positioning
Spacing between the angled slide block at bar two ends is equal to or less than the diameter of dish type extruder head；Angled slide block is driven by ejection power set and risen
Rise to upper limit, the array grid block jack-up above angled slide block is formed and lifts platform；Described lift includes at least two on platform
Individual positive and negative electrode contact, when dish type extruder head is placed into by extruder head quick change manipulator to be lifted on platform, can realize pulse
The path connection of high-tension circuit so that dish type extruder head produces hyperpyrexia in the presence of high voltage pulse electric current, realizes to material
High temperature melting, and realize synchronous extrusion；
Ejecting power set includes tubular sliding block, and on the securing lever, outside in tubular sliding block is set with the tubular slide block set dress
Motorized pulleys, and in the outside suit cast gear of motorized pulleys；Tooth form bar is set in the endoporus of " mouth " shape angled slide block, it is described
Cast gear is intermeshed with tooth form bar；Non-circular through hole is set on the tubular sliding block, the cross sectional shape of the locating rod with
The shape of cross section of the non-circular through hole of tubular sliding block is identical；The push rod connects tubular sliding block；The motorized pulleys being capable of band
Moving-coil shape pinion rotation, while driving tooth form bar and angled slide block to rise or fall.
As shown in figure 1, the extrusion device also includes air pressure control device, the air pressure control device includes tubular wind
Room, the tubular air compartment can cover dish type extruder head and its cylindrical membrane of extrusion；The bottom of the tubular air compartment surrounds cylinder
Shape film is uniformly arranged the cold wind blowpipe to up-draught for one week, and the cold wind blowpipe connects air-cooler；On the top of tubular air compartment
Set and contactless blast controller is installed on exhaust tube, the exhaust tube；
As shown in fig. 6, contactless blast controller, which includes blast, adjusts setting in cylinder, the perisporium of the blast regulation cylinder
Wind pressure adjusting device is set in hollow sandwich, blast adjustment barrel body, wind pressure adjusting plates rotary power dress is set in hollow sandwich
Put, the wind pressure adjusting device includes blast flap and magnetic mounting bracket, the two ends of blast flap are hinged on blast regulation cylinder
Inwall on, blast flap connection magnetic mounting bracket, magnetic mounting bracket two ends set internal magnet；The wind pressure adjusting plates rotation
Rotating power apparatus includes blast regulation motor and outer runner, external magnet is installed on outer runner, external magnet and internal magnet are mutually inhaled
Draw；The blast regulation motor can drive outer runner to rotate by transmission system connection, and at the same time external magnet drives interior magnetic
Iron and magnetic mounting bracket are rotated, and change the anglec of rotation of blast flap, and then control the air pressure in tubular air compartment；
The contactless blast controller also includes blast flap cleaning device, and the blast flap cleaning device includes cleaning
Device mounting rod, the cleaning device mounting rod is arranged at the import of blast regulation cylinder, is set on cleaning device mounting rod
Put and the cleaning band body of more than one is fixed on several vibrating springs, each vibrating spring.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.It is every without departing from technical solution of the present invention content, what the technical spirit according to the present invention was made to above example
Any simple modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of PE preservative films with antibacterial functions, it is characterised in that：The component included by weight is：
40-45 parts of low density polyethylene；
50-56 parts of LLDPE LLDPE；
Viscosify 2-2.5 parts of master batch；
1-1.5 parts of glycerin mono-fatty acid ester GMO；
0.5-1 parts of silver-ion antibiotic additive；
Wherein, thickening master batch includes 60% polyisobutene PIB and 40% LLDPE LLDPE by weight.
2. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 1, it is characterised in that：Including
Following steps：
（1）Various raw materials are proportionally placed into mixing tank, and are sufficiently mixed by the agitating device in mixing tank；
（2）By the raw material mixed by preheating, formed and just expected, just material enters the first settling vat and the second settling vat；
（3）While the first material in the second settling vat is carried out into secondary stir evenly by screw mixer, raw material feeding film is squeezed
Go out machine；
（4）After the three layer filtration device filtering that raw material passes through thin film extruding machine, then through the spiral boosting feeding in thin film extruding machine
Device sends into extrusion die, then, and extrusion die carries out high temperature melting to just material, and extrusion temperature is 150-170 degrees Celsius, and is taken advantage of
Heat uses compressed air inflation, while increasing its bright degree with tetanic cold front heavy rain, is blown into cylindrical membrane semi-finished product；
（5）Through overcooled cylindrical membrane semi-finished product after extruding exhaust, by drawing wrapping machine by cylindrical membrane semi-finished product
Batch to film roller, at the same time, cut two side strips of cylindrical membrane semi-finished product by edge severing machine；Cutting width
Less than 10mm；Now obtain the PE preservative film finished products in film roller.
3. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 2, it is characterised in that：Also wrap
Include（6）Clout recycling step, it is described（6）Clout recycling step includes following process：
6.1st, the side strip under cutting is recycled to recovery capsule, and is crushed to the particle that particle diameter is less than 3mm；
6.2nd, the particle after the crushing is transferred back in mixing tank again by particle recovery tube, is mixed again with raw material and high temperature
Fusing is recycled.
4. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 3, it is characterised in that：It is described
Metal stirring wing is set in mixing tank, and the metal stirring wing connects stirring motor, and the stirring motor can drive metal to stir
Mix wing rotation；Circuit is set to accommodate storehouse in the lower section of mixing tank, the circuit, which is accommodated, sets induction coil, the affiliated line of induction in storehouse
Circle connection high frequency induction power supply, when the high frequency induction power supply is powered to induction coil, metal stirring wing can sense heating, hair
Hot temperature is 80-100 degrees Celsius；Material is preheated while mixing.
5. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 4, it is characterised in that：It is described
Internal partition is set in the first settling vat and the second settling vat, and the internal partition is respectively by space in the bucket of the first and second settling vats
" u "-shaped space is separated into, mixing tank connects the one end in " u "-shaped space in the first settling vat, the first sedimentation by the first passage
The other end in " u "-shaped space connects the one end in " u "-shaped space in the second settling vat by the second passage in bucket；First settling vat
The other end in interior " u "-shaped space connects thin film extruding machine by the 3rd passage；Set in first, second, and third passage
Put screw mixer.
6. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 5, it is characterised in that：It is described
Thin film extruding machine includes setting spiral boosting feed device, three layer filtration device, extrusion device and compression in casing, the casing
Gas huffing device；One end of the spiral boosting feed device connects the 3rd passage, and spiral increases the another of feed device
End connects extrusion device by three layer filtration device, and the extrusion device can extrude cylindrical membrane；Extruded in extrusion device
Middle part sets compressed gas huffing device, and the compressed gas huffing device can blow out compressed gas from inside by cylindrical membrane
Rising；The upper end connection traction wrapping machine of cylindrical membrane.
7. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 5, it is characterised in that：It is described
Extrusion device includes dish type extruder head, jack-up formula electric heating device and extruder head quick change manipulator, and the dish type extruder head is
High-resistance metal conductive material；Annular nozzle is set on dish type extruder head, tubular can be extruded by annular nozzle thin
Film；In the lower section of dish type extruder head, jack-up formula electric heating device is set；The extruder head quick change manipulator being capable of Quick-changing
The dish type extruder head of different model is simultaneously placed on jack-up formula electric heating device.
8. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 7, it is characterised in that：It is described
Jack-up formula electric heating device includes grid screen block electric installation and is accurately positioned liftout attachment；
The grid screen block electric installation includes inserting on grid rack, the grid rack and sets several array grid blocks,
Positive and negative electrode contact is set respectively on array grid block；The positive and negative electrode contact connect respectively high-tension current generator and
Current switching controller；The high-tension current generator can produce high-tension current and be passed by wire by current switching controller
It is defeated by positive and negative electrode contact；The current switching controller is capable of the break-make of tapping mode high-tension current, forms high-voltage pulse electric
Stream；
Set in the bottom of grid rack and be accurately positioned liftout attachment, the liftout attachment that is accurately positioned is fixed including liftout attachment
Several locating rods are set on frame, liftout attachment fixed mount, fixed lifting backing-out punch and positioning are filled respectively at the two ends of locating rod
Put；The lifting backing-out punch includes " mouth " shape angled slide block and ejection power set, and the ejection power set are fixed on locating rod
Go up and angled slide block can be ejected or withdrawn upwards, can be by corresponding top array grid block jack-up when angled slide block is lifted；Institute
Positioner is stated including " u "-shaped push rod and positioning power device, one end connection positioning power device of the push rod, push rod it is another
One end connection lifting backing-out punch, positioning power device can transversely locating rod promotes or retracted lifting backing-out punch by push rod.
9. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 8, it is characterised in that：Also wrap
Include master controller, the master controller can according to the pre-set dimension of dish type extruder head, the angled slide block at control locating rod two ends it
Between spacing be equal to or less than dish type extruder head diameter；Angled slide block is driven by ejection power set and is raised up to upper limit, will be pushed up
The array grid block jack-up gone out above block forms and lifts platform；Described lift includes at least two positive and negative electrode contacts on platform,
When dish type extruder head is placed into by extruder head quick change manipulator to be lifted on platform, it can realize that the path of high voltage pulse circuit connects
Connect so that dish type extruder head produces hyperpyrexia in the presence of high voltage pulse electric current, realize the high temperature melting to material, and realize same
Step extrusion；
Ejecting power set includes tubular sliding block, and on the securing lever, outside in tubular sliding block is set with the tubular slide block set dress
Motorized pulleys, and in the outside suit cast gear of motorized pulleys；Tooth form bar is set in the endoporus of " mouth " shape angled slide block, it is described
Cast gear is intermeshed with tooth form bar；Non-circular through hole is set on the tubular sliding block, the cross sectional shape of the locating rod with
The shape of cross section of the non-circular through hole of tubular sliding block is identical；The push rod connects tubular sliding block；The motorized pulleys being capable of band
Moving-coil shape pinion rotation, while driving tooth form bar and angled slide block to rise or fall.
10. according to a kind of production technology of PE preservative films with antibacterial functions described in claim 9, it is characterised in that：Institute
Stating extrusion device also includes air pressure control device, and the air pressure control device includes tubular air compartment, and the tubular air compartment can cover
Firmly dish type extruder head and its cylindrical membrane of extrusion；The bottom of the tubular air compartment is uniformly arranged upwards for one week around cylindrical membrane
The cold wind blowpipe of blowing, the cold wind blowpipe connects air-cooler；Set on the top of tubular air compartment on exhaust tube, the exhaust tube
Contactless blast controller is installed；
Contactless blast controller includes blast and adjusts setting hollow sandwich in cylinder, the perisporium of the blast regulation cylinder,
Wind pressure adjusting device is set in blast adjustment barrel body, wind pressure adjusting plates rotary power unit, the wind are set in hollow sandwich
Adjusting means is pressed to include blast flap and magnetic mounting bracket, the two ends of blast flap are hinged on the inwall of blast regulation cylinder,
Blast flap connects magnetic mounting bracket, and internal magnet is set at the two ends of magnetic mounting bracket；The wind pressure adjusting plates rotary power dress
Put including blast regulation motor and outer runner, external magnet is installed on outer runner, external magnet and internal magnet attract each other；The wind
Press regulation motor by transmission system connection outer runner can be driven to rotate, at the same time external magnet drives internal magnet and magnetic peace
Rotation is shelved, changes the anglec of rotation of blast flap, and then control the air pressure in tubular air compartment；
The contactless blast controller also includes blast flap cleaning device, and the blast flap cleaning device includes cleaning
Device mounting rod, the cleaning device mounting rod is arranged at the import of blast regulation cylinder, is set on cleaning device mounting rod
Put and the cleaning band body of more than one is fixed on several vibrating springs, each vibrating spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459054.8A CN107118427B (en) | 2017-06-16 | 2017-06-16 | A kind of PE preservative film and production technology with antibacterial functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459054.8A CN107118427B (en) | 2017-06-16 | 2017-06-16 | A kind of PE preservative film and production technology with antibacterial functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107118427A true CN107118427A (en) | 2017-09-01 |
| CN107118427B CN107118427B (en) | 2019-12-03 |
Family
ID=59719988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459054.8A Active CN107118427B (en) | 2017-06-16 | 2017-06-16 | A kind of PE preservative film and production technology with antibacterial functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107118427B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964149A (en) * | 2017-11-25 | 2018-04-27 | 郑州源冉生物技术有限公司 | A kind of antibacterial insect-repelling mulching film and preparation method thereof |
| CN109265802A (en) * | 2018-09-07 | 2019-01-25 | 中国科学院烟台海岸带研究所 | A kind of antimicrobial preservative film for marine product |
| CN112721256A (en) * | 2020-12-17 | 2021-04-30 | 尤晨曦 | HDPE geomembrane preparation and forming process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824177A (en) * | 2010-03-09 | 2010-09-08 | 陈迦乐 | Specific antibacterial PE (polyethylene) preservative film |
| CN105419066A (en) * | 2016-01-12 | 2016-03-23 | 东莞南星塑胶有限公司 | Anti-bacterial preservative film and preparing method thereof |
| CN105711068A (en) * | 2015-09-18 | 2016-06-29 | 安徽柒柒塑业有限公司 | Production process for PE (polyethylene) film |
| CN105835335A (en) * | 2015-01-12 | 2016-08-10 | 上海龙山凤机器制造有限公司 | Star extruder |
-
2017
- 2017-06-16 CN CN201710459054.8A patent/CN107118427B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824177A (en) * | 2010-03-09 | 2010-09-08 | 陈迦乐 | Specific antibacterial PE (polyethylene) preservative film |
| CN105835335A (en) * | 2015-01-12 | 2016-08-10 | 上海龙山凤机器制造有限公司 | Star extruder |
| CN105711068A (en) * | 2015-09-18 | 2016-06-29 | 安徽柒柒塑业有限公司 | Production process for PE (polyethylene) film |
| CN105419066A (en) * | 2016-01-12 | 2016-03-23 | 东莞南星塑胶有限公司 | Anti-bacterial preservative film and preparing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964149A (en) * | 2017-11-25 | 2018-04-27 | 郑州源冉生物技术有限公司 | A kind of antibacterial insect-repelling mulching film and preparation method thereof |
| CN109265802A (en) * | 2018-09-07 | 2019-01-25 | 中国科学院烟台海岸带研究所 | A kind of antimicrobial preservative film for marine product |
| CN112721256A (en) * | 2020-12-17 | 2021-04-30 | 尤晨曦 | HDPE geomembrane preparation and forming process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107118427B (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107118427A (en) | A kind of PE preservative films and production technology with antibacterial functions | |
| CN106117732B (en) | A kind of membrane product and preparation method thereof, application | |
| CN107118423A (en) | A kind of degradable PE clip chains valve bag and production technology | |
| CN205202062U (en) | Toper double screw extruder | |
| CN107141579A (en) | A kind of degradable PE preservative films and production technology | |
| CN113650275A (en) | Preparation device and preparation method of antibacterial waterproof fresh-keeping bag | |
| CN210211281U (en) | Raw material feeding device for processing plastic hollow plate | |
| CN219727151U (en) | Extrusion mechanism of blow molding machine | |
| CN204547046U (en) | A kind of color mud automatic-extrusion numerical control cut-out and thermoplastic sealing production line structure | |
| CN107984852B (en) | CPP film and production process thereof | |
| CN204547022U (en) | A kind of color mud automatic extrusion device structure with two discharge head | |
| CN215920973U (en) | Internal mixer with quantitative feeding function for industrial production and processing of rubber | |
| CN207859475U (en) | A kind of novel environment friendly plastics film inflation film manufacturing machine | |
| CN111607148A (en) | Preparation method of corrosion-resistant polyethylene film | |
| CN213564255U (en) | Extruder of plastic packaging bag production usefulness | |
| CN105385012B (en) | A kind of SEBS/EVA intermingling materials closed-cell foam process | |
| CN107932859A (en) | The fresh-keeping barrier layer extruding production lines of PP and EVOH | |
| CN209273923U (en) | A kind of PE pipe production equipment | |
| CN103887056B (en) | The processing technology of neodymium iron boron bonded magnet | |
| CN212219199U (en) | Extruder is used in production of compound tubular product of PE | |
| CN203267205U (en) | Extrusion production plant for manufacturing impermeable membranes | |
| CN205969927U (en) | Blowing cutting device of PE membrane | |
| CN104494089A (en) | Making technology of plastic simulation artistic rattan | |
| CN205021978U (en) | Film cooling device | |
| CN210650823U (en) | Waste material cutting device of inflation film manufacturing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191018 Address after: 255300 no.1198 Silk Road, Zhoucun Economic Development Zone, Zibo City, Shandong Province Applicant after: Shandong Guoning Packaging Co., Ltd Address before: 255300, No. 1, unit 4, building 1, Lane 301, Qingnian Road, Zhoucun District, Shandong, Zibo Applicant before: Wang Kang Ning |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |