CN108017888A - One kind sealing polycaprolactone pack case and its application - Google Patents

One kind sealing polycaprolactone pack case and its application Download PDF

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Publication number
CN108017888A
CN108017888A CN201711253914.9A CN201711253914A CN108017888A CN 108017888 A CN108017888 A CN 108017888A CN 201711253914 A CN201711253914 A CN 201711253914A CN 108017888 A CN108017888 A CN 108017888A
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China
Prior art keywords
polycaprolactone
pack case
packaging
raw material
content
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Pending
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CN201711253914.9A
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Chinese (zh)
Inventor
张文辉
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Nanjing Jianhui Biotechnology Co., Ltd
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Wuxi Fu'ershun Science & Technology Co Ltd
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Priority to CN201711253914.9A priority Critical patent/CN108017888A/en
Publication of CN108017888A publication Critical patent/CN108017888A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/10Esters; Ether-esters
    • C08K5/11Esters; Ether-esters of acyclic polycarboxylic acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14819Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being completely encapsulated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38Packaging materials of special type or form
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/10Esters; Ether-esters
    • C08K5/101Esters; Ether-esters of monocarboxylic acids
    • C08K5/103Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02Starch; Degradation products thereof, e.g. dextrin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2008Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements inside the article
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2251Oxides; Hydroxides of metals of chromium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2265Oxides; Hydroxides of metals of iron
    • C08K2003/2272Ferric oxide (Fe2O3)
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/06Biodegradable
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Abstract

The present invention relates to packaging field, a kind of sealing polycaprolactone pack case is provided, weight ratio shared by polycaprolactone is no less than 20% in the constituent of the pack case, it can also include the one or more in auxiliary material, plasticizer, pigment in the constituent of the pack case, in addition, the invention additionally provides a kind of application for sealing polycaprolactone pack case.The invention has the advantage that if the pack case contents of parcel owner is directly blow molded content or inject in packaging husk as raw material, the pressure of blowing or injection expansion comes from the pressure of content, integrate and to form Package casing and content is filling, what is formed is a kind of sealing impermeability packaging product, process is simple and easy to do, and cost is low, and the packaging product that the pack case obtains is easy to carry, content is released by crushing packing shell, it can be achieved that quantitative use.

Description

One kind sealing polycaprolactone pack case and its application
Technical field
The invention belongs to packaging field, more particularly, to one kind sealing polycaprolactone pack case and its application.
Background technology
As in the market is increasing to personalized, convenience consumer goods demand, pack case is as a kind of small loading amount list The secondary non-returnable container form used, becomes a kind of popular, consumer has used entire contents immediately after opening packaging gradually It is easy to use, quantitative and the waste of content will not be caused or content plays effect immediately.
Shell class packaging product currently on the market, typically using the general-purpose plastics from oil, but as oil provides Source exhaustion and synthetic plastic discarded object endanger caused by ecological environment, research and development and use biodegradation material increasingly into For focus, and degradable pack case is generally using hydrophilic materials such as gelatin, starch, wrap up powder or grease, The problem of liquid polyethylene glycol etc., this pack case are maximum is can not to stablize the high-water content content of parcel.And some are synthesized Degradation material, although with certain water resistance, because cost is excessive or processing performance is not so good as general-purpose plastics, in shell The application of class packaging is restricted.
In addition, the production method of packaging shell product is typically first fabricated to the processing that filling content after shell seals again Mode, this mode, which generally requires two complete equipments, could complete the production of product.
Polycaprolactone Polycaprolactone(Abbreviation PCL), it is to be formed by 6-caprolactone ring-opening polymerisation, its fusing point is 60-63 DEG C, there is low temperature moulding, can natural degradation.Due to its good processing performance and biocompatibility, gather in oneself Ester has been widely used for biomedicine field.
The content of the invention
For above technical problem, the present invention provides a kind of sealing polycaprolactone pack case and its application, which can Most gas, liquid and the solids with mobility of parcel, and manufacturing process collection forms Package casing and content fills Simple and easy to do loaded on one, cost is low.
It is an object of the present invention to provide one kind to seal polycaprolactone pack case, in the constituent of the pack case Weight ratio shared by polycaprolactone is no less than 20%.
Further, the pack case can be made of single polycaprolactone, can also include auxiliary material, plasticizer, color One or more in element.
Further, the auxiliary material includes inorganic auxiliary material and polymer auxiliary material, for reduce pack case overall cost, Adjust the natural degradation speed of pack case and improve its mechanical performance, the auxiliary material accounts for pack case components by weight and is no more than 80%;The inorganic auxiliary material is calcium carbonate, calcium sulfate, talcum powder, titanium dioxide, hydroxyapatite, carbon black, silicon nitride, hydroxide One or more in aluminium;The polymer auxiliary material is polylactic acid, polyglycolic acid, polyvinylpyrrolidone, polyethylene Alcohol, polyethylene glycol, xanthans, sodium alginate, pectin, gellan gum, guar gum, potato starch, carboxymethyl starch, hydroxypropyl form sediment Powder, acid treated starches, oxidized starch, acetic starch, cellulose, methylcellulose, ethyl cellulose, carboxymethyl cellulose, hydroxyl One or more in propyl methocel.
Further, the plasticizer is included naturally or synthetic fluid esters material, the plasticizer account for wall material weight Amount is than being no more than 70%, and the plasticizer is tributyl citrate, triethyl citrate, citroflex A-4, three vinegar One or more in acid glyceride, castor oil, coconut oil.
Further, the pigment is iron oxide, chromium oxide, manganese oxide, nickel oxide, pucherite, lead molybdate, anthraquinone, Anthanthrone, benzimidazolone, isoindolinone, isoindoline, naphthols, phthalocyanine blue, phthalocyanine green, pyranthrone, quinacridine, Quinone phthalein, the one or more in mica.
It is a further object to provide it is a kind of seal polycaprolactone pack case contents of parcel object space face application, Include the following steps:
(1)Raw material prepares:By polycaprolactone or polycaprolactone with the one or more in auxiliary material, plasticizer, pigment 60 It is DEG C melt above, it is uniformly mixed, removes set aside for use after bubble;
(2)Content is blow molded or injection:By step(1)Packaging husk as raw material after middle processing loads the Plasticized component of blow moulding equipment In, with liquid pump, either screw rod puopulsion equipment replaces the compressed air of blowing by liquid contents or solid to be packaged Content is directly injected into by certain pressure in the parison that packaging husk as raw material is formed, and reaching will after certain injection degrees of expansion Packaging product is cut down from die head, or the mould using definite shape, and content injects inflated parison to table in mould Face, forms the package of definite shape;If content is gas, directly it is blown into what packaging husk as raw material was formed using compressed gas In parison;
(3)It is cooled and shaped:Above-mentioned blowing is either injected and finishes the package cut down or is demoulded out from mould Package is put into cooling or natural cooling, cold front heavy rain shaping in coolant.
A kind of sealing polycaprolactone pack case can also include the following steps in the application in contents of parcel object space face:
(1)Raw material prepares:By polycaprolactone or polycaprolactone with the one or more in auxiliary material, plasticizer, pigment 60 It is DEG C melt above, it is uniformly mixed, removes set aside for use after bubble;
(2)Contents of parcel thing:By step(1)Packaging husk as raw material after middle processing is fitted into hot-press equipment, raw material shape after hot pressing Into rubber, two rubber are led into rolling mould by roll shaft, and content to be packaged is pumped into two rubber includes to be formed Parison in, be scrolled mould after parison expansion and cut down;
(3)It is cooled and shaped:The package cut down is put into cooling or natural cooling, cold front heavy rain shaping in coolant.
A kind of sealing polycaprolactone pack case can also include the following steps in the application in contents of parcel object space face:
(1)Raw material prepares:By polycaprolactone or polycaprolactone with the one or more in auxiliary material, plasticizer, pigment 60 It is DEG C melt above, it is uniformly mixed, removes set aside for use after bubble;
(2)Contents of parcel thing:By step(1)Packaging husk as raw material after middle processing is interior from the outer layer outflow in coaxial double-layer water dropper The intermittent injection of internal layer in the tolerant water dropper from coaxial double-layer, content when outer packaging husk as raw material flows out with internal layer injection are total to With drop is formed, drop outer layer is packaging husk as raw material, and internal layer is content, can also be by content in coaxial double-layer water dropper Internal layer continuously pumps out, and it is the continuous liquid column of content to form outer layer as packaging husk as raw material, internal layer, and fluid column is formed after pulse cutting Outer layer is packaging husk as raw material, and internal layer is the drop of content.
(3)It is cooled and shaped:By above-mentioned steps(2)The slowly condensation shaping in coolant of the drop of middle gained.
The present invention has the advantages and positive effects of:
If the 1st, the pack case contents of parcel owner directly content be blow molded either injection packaging husk as raw material in blowing or The pressure of injection expansion comes from the pressure of content, integrates to form Package casing and content is filling, formation is one Kind sealing impermeability packaging product, process is simple and easy to do, and cost is low;
2nd, the key component using polycaprolactone as pack case, functional, can wrap up water, glycerine, ethanol, liquid macrogol etc. Various oiliness cannot dissolve the component of polycaprolactone, and content can be solid for gas, pure solution, suspension, suspension, mobility Body etc.;
3rd, the pack case can natural degradation, the problems such as environmental pollution will not be caused;
4th, the product that the pack case is packaged to be is easy to carry, and when use mainly makes content by applying external force crushing packing shell Discharge, it can be achieved that quantitative use;
5th, blow temperatures are low, less energy consumption, can pack low boiling point content.
Embodiment
With reference to specific embodiment, the invention will be further described, but does not limit protection scope of the present invention.
Embodiment 1
Pack case composition of raw materials:
Ingredients Weight accounting
Polycaprolactone 100%
Content composition formula:
Ingredients Weight accounting
Oxygen 100%
Packaging husk as raw material is melted at 120 DEG C, treats to be fitted into blow moulding equipment after raw material bubble removing, uses spherical blow molding die Tool, is blown into the parison that packaging husk as raw material is formed using compressed oxygen as content, is cut after preform blowup to mould inner surface, Demoulded after slightly cooling down, package is fallen into cooling water, is cooled into spherical oxygen packaging shell product.
Embodiment 2
Pack case composition of raw materials:
Ingredients Weight accounting
Polycaprolactone 30%
Triethyl citrate 50%
Talcum powder 10%
Calcium carbonate powder 10%
Content composition formula:
Ingredients Weight accounting
Water 75%
Glycerine 25%
Packaging husk as raw material is melted at 70 DEG C, treats to be fitted into blow moulding equipment after raw material bubble removing, shape after raw material is extruded Into parison, without using mould, content is pumped into the parison that packaging husk as raw material is formed, preform blowup is cut after 2 seconds, package Fall into cooling water, be cooled into the Hydra glycerine packaging shell product of elliposoidal.
Embodiment 3
Pack case composition of raw materials:
Ingredients Weight accounting
Polycaprolactone 40%
Tributyl citrate 40%
Ethyl cellulose 20%
Content composition formula:
Ingredients Weight accounting
Water 80%
Inspissated juice 20%
Packaging husk as raw material is melted at 60 DEG C, treats to be fitted into blow moulding equipment after raw material bubble removing, shape after raw material is extruded Into parison, without using mould, content is pumped into the parison that packaging husk as raw material is formed, preform blowup is cut after 1 second, package Fall into cooling water, be cooled into elliposoidal chewiness fruity packaging shell product.
Embodiment 4
Pack case composition of raw materials:
Ingredients Weight accounting
Polycaprolactone 40%
Tributyl citrate 39%
Talcum powder 20%
Phthalocyanine green 1%
Content composition formula:
Ingredients Weight accounting
Toothpaste 100%
Packaging husk as raw material is melted at 70 DEG C, treats to be fitted into blow moulding equipment after raw material bubble removing, shape after raw material is extruded Into parison, without using mould, content is pumped into the parison that packaging husk as raw material is formed by quantitative cylinder column, parison is quantitatively blown Cut after rising, package forms portable elliposoidal disposable toothpaste through natural cooling and packs shell product.
Embodiment 5
Pack case composition of raw materials:
Ingredients Weight accounting
Polycaprolactone 20%
Tributyl citrate 40%
Potato starch 30%
Methylcellulose 10%
Content composition formula:
Ingredients Weight accounting
Vegetable seeds 100%
Packaging husk as raw material is melted at 70 DEG C, treats to be fitted into blow moulding equipment after raw material bubble removing, shape after raw material is extruded Into parison, without using mould, content is pumped into the parison that packaging husk as raw material is formed by quantitative cylinder column, parison is quantitatively blown Cutting after swollen, package form elliposoidal vegetable seeds packaging shell product through cold front heavy rain.
Embodiment 6
Pack case composition of raw materials:
Ingredients Weight accounting
Polycaprolactone 40%
Tributyl citrate 35%
Ethyl cellulose 20%
Iron oxide 2.5%
Chromium oxide 2.5%
Content composition formula:
Ingredients Weight accounting
Rosa Damascana 100%
Packaging husk as raw material is melted at 70 DEG C, treats to be fitted into hot-press equipment after raw material bubble removing, raw material is formed after hot pressing The rubber of thickness 1mm, two rubber are led into rolling mould by roll shaft, and content is pumped into two rubber includes to be formed Parison in, preform blowup is scrolled mould cutting after 1 second, package fallen into cooling water, is cooled into elliposoidal rhodamine toner Oil packaging shell product.
Embodiment 7
Pack case composition of raw materials:
Ingredients Weight accounting
Polycaprolactone 40%
Citroflex A-4 20%
Triacetyl glycerine 20%
Talcum powder 20%
Content composition formula:
Ingredients Weight accounting
Water 99.9%
Amaranth 0.1%
Packaging husk as raw material is melted at 70 DEG C, treats to flow out from the outer layer in coaxial double-layer water dropper after raw material bubble removing, content Thing is common with the content of internal layer injection when outer packaging husk as raw material flows out from the intermittent injection of internal layer in coaxial double-layer water dropper Drop is formed, drop outer layer is packaging husk as raw material, and internal layer is content, and drop falls into slowly condensation balling-up in cold water, forms ball The toy paintball of the red aqueous solution of shape parcel.
The embodiment of the present invention is described in detail above, but the content is only presently preferred embodiments of the present invention, It should not be construed as limiting the practical range of the present invention.Any changes and modifications in accordance with the scope of the present application, Should all still it belong within the patent covering scope of the present invention.

Claims (9)

1. one kind sealing polycaprolactone pack case, it is characterised in that:Weight shared by polycaprolactone in the constituent of the pack case Amount is than being no less than 20%.
2. sealing polycaprolactone pack case according to claim 1, it is characterised in that:In the constituent of the pack case It can also include the one or more in auxiliary material, plasticizer, pigment.
3. sealing polycaprolactone pack case according to claim 2, it is characterised in that:The auxiliary material include inorganic auxiliary material and Polymer auxiliary material, the inorganic auxiliary material for calcium carbonate, calcium sulfate, talcum powder, titanium dioxide, hydroxyapatite, carbon black, silicon nitride, One or more in aluminium hydroxide;The polymer auxiliary material is polylactic acid, polyglycolic acid, polyvinylpyrrolidone, poly- Vinyl alcohol, polyethylene glycol, xanthans, sodium alginate, pectin, gellan gum, guar gum, potato starch, carboxymethyl starch, hydroxypropyl Starch, acid treated starches, oxidized starch, acetic starch, cellulose, methylcellulose, ethyl cellulose, carboxymethyl cellulose, One or more in hydroxypropyl methyl cellulose.
4. sealing polycaprolactone pack case according to claim 2, it is characterised in that:The plasticizer is three fourth of citric acid One or more in ester, triethyl citrate, citroflex A-4, triacetyl glycerine, castor oil, coconut oil.
5. sealing polycaprolactone pack case according to claim 2, it is characterised in that:The pigment is iron oxide, oxidation Chromium, manganese oxide, nickel oxide, pucherite, lead molybdate, anthraquinone, anthanthrone, benzimidazolone, isoindolinone, iso-indoles Quinoline, naphthols, phthalocyanine blue, phthalocyanine green, pyranthrone, quinacridine, quinone phthalein, the one or more in mica.
A kind of 6. application of the sealing polycaprolactone pack case any one of claim 1-5, it is characterised in that:It is described close Seal application of the polycaprolactone pack case in contents of parcel object space face.
7. the application of sealing polycaprolactone pack case according to claim 6, it is characterised in that:Seal polycaprolactone packaging The step of shell contents of parcel thing, is as follows:
(1)Raw material prepares:By polycaprolactone or polycaprolactone with the one or more in auxiliary material, plasticizer, pigment 60 It is DEG C melt above, it is uniformly mixed, removes set aside for use after bubble;
(2)Content is blow molded or injection:By step(1)Packaging husk as raw material after middle processing is fitted into the plasticizing portion in blow moulding equipment In part, the compressed air of blowing is replaced with liquid pump or screw rod puopulsion equipment, by liquid contents or solid to be packaged Content is directly injected into by certain pressure in the parison that raw material is formed, and reaching will packaging production after certain injection degrees of expansion Product are cut down from die head, or the mould using definite shape, and content injects inflated parison to mould inner surface, is formed The package of definite shape;If content to be packaged is gas, directly it is blown into what packaging husk as raw material was formed using compressed gas In parison;
(3)It is cooled and shaped:Above-mentioned blowing is either injected and finishes the package cut down or is demoulded out from mould Package is put into cooling or natural cooling, cold front heavy rain shaping in coolant.
8. the application of sealing polycaprolactone pack case according to claim 6, it is characterised in that:Seal polycaprolactone packaging The step of shell contents of parcel thing, is as follows:
(1)Raw material prepares:By polycaprolactone or polycaprolactone with the one or more in auxiliary material, plasticizer, pigment 60 It is DEG C melt above, it is uniformly mixed, removes set aside for use after bubble;
(2)Contents of parcel thing:By step(1)Packaging husk as raw material after middle processing is fitted into hot-press equipment, raw material shape after hot pressing Into rubber, two rubber are led into rolling mould by roll shaft, and content to be packaged is pumped into two rubber includes to be formed Parison in, be scrolled mould after parison expansion and cut down;
(3)It is cooled and shaped:The package cut down is put into cooling or natural cooling, cold front heavy rain shaping in coolant.
9. the application of sealing polycaprolactone pack case according to claim 6, it is characterised in that:Seal polycaprolactone packaging The step of shell contents of parcel thing, is as follows:
(1)Raw material prepares:By polycaprolactone or polycaprolactone with the one or more in auxiliary material, plasticizer, pigment 60 It is DEG C melt above, it is uniformly mixed, removes set aside for use after bubble;
(2)Contents of parcel thing:By step(1)Packaging husk as raw material after middle processing is interior from the outer layer outflow in coaxial double-layer water dropper The intermittent injection of internal layer in the tolerant water dropper from coaxial double-layer, content when outer packaging husk as raw material flows out with internal layer injection are total to With drop is formed, drop outer layer is packaging husk as raw material, and internal layer is content;Or by content in coaxial double-layer water dropper in Layer continuously pumps out, and forms outer layer as packaging husk as raw material, internal layer is the continuous liquid column of content, and fluid column forms outer after pulse cutting Layer is packaging husk as raw material, and internal layer is the drop of content;
(3)It is cooled and shaped:By above-mentioned steps(2)The slowly condensation shaping in coolant of the drop of middle gained.
CN201711253914.9A 2017-12-02 2017-12-02 One kind sealing polycaprolactone pack case and its application Pending CN108017888A (en)

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CN201711253914.9A CN108017888A (en) 2017-12-02 2017-12-02 One kind sealing polycaprolactone pack case and its application

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