CN102529237A - Injection molding product - Google Patents
Injection molding product Download PDFInfo
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- CN102529237A CN102529237A CN2011104001870A CN201110400187A CN102529237A CN 102529237 A CN102529237 A CN 102529237A CN 2011104001870 A CN2011104001870 A CN 2011104001870A CN 201110400187 A CN201110400187 A CN 201110400187A CN 102529237 A CN102529237 A CN 102529237A
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- Prior art keywords
- film
- injection molded
- molded article
- mould
- resin
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- 238000001746 injection moulding Methods 0.000 title abstract 4
- 230000004888 barrier function Effects 0.000 claims abstract description 41
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 239000011347 resin Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000005034 decoration Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 48
- 239000007924 injection Substances 0.000 claims description 48
- 229920006167 biodegradable resin Polymers 0.000 claims description 37
- 238000006065 biodegradation reaction Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 51
- 239000007789 gas Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- 239000004368 Modified starch Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000005018 casein Substances 0.000 description 2
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 2
- 235000021240 caseins Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- -1 steam Chemical compound 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000036299 sexual function Effects 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Provided is an injection molding product (19) which employs a container using biodegradation resin, comprises gas barrier property, and is easy to apply decoration. The injection molding product is formed by injected resin material composed of biodegradation resin, wherein a film (16), having a blocking layer (13), is fixed upon the wall of the injection molding product.
Description
Technical field
The present invention relates to a kind of injection molded article that used Biodegradable resin.
Background technology
All the time, known have a Biodegradable resin of having considered environmental protection.Because Biodegradable resin is decomposed by microorganism, therefore can reduce influence to environment.
On the other hand, with base material, container, need have the gas barrier property that does not make the character that oxygen or steam (water) sees through for the packing in the various fields such as food.In addition, the gas barrier property described in this specification and the claim is meant the character that oxygen, steam, carbon dioxide, nitrogen etc. are seen through.In addition, the common barrier properties of Biodegradable resin is lower.
Therefore, developed the packing of having used Biodegradable resin with base material in as the technology of the additional gas barrier property of function.As this technology; In the packaging film of food, non-food stuff or pharmaceuticals etc.; Have the biological degradability gas-barrier films (for example, with reference to patent documentation 1) that on the one side at least of Biodegradable resin, inorganic oxide vapor deposition layer is set and on inorganic oxide vapor deposition layer, is provided with protective layer with melamine and/or its mixture.
In addition; Known have a following Biodegradable resin product: the configuration Biodegradable resin in the outside, and the configuration block resin bed in the inboard is between Biodegradable resin layer and block resin bed; The block resin anchoring layer that is formed by the block resin is set in Biodegradable resin layer side; In block resin bed side the Biodegradable resin anchor layer that is formed by Biodegradable resin is set, forms above-mentioned each anchor layer (for example, with reference to patent documentation 2) continuously.
Patent documentation 1: TOHKEMY 2006-44162 communique
Patent documentation 2: TOHKEMY 2006-341448 communique
Above-mentioned patent documentation 1 disclosed technology is that the packing that forms film like is used base material, does not have any open about having shapes of containers.
Thereby, adopt patent documentation 1 described technology, when not being film but container when having used Biodegradable resin, how can guarantee just that gas barrier property is unclear.
In addition, in patent documentation 2, disclose overlapping block resin bed and Biodegradable resin layer and formed the containers such as plastic bottle that form.But technology disclosed herein is that the anchor layer of sneaking into formation each other is set.For this Biodegradable resin product that is shaped, adopted the method that two kinds of resins form of injecting simultaneously.
But in these patent documentation 2 disclosed technology, having about container being applied decoration this point such as printing does not have any such problem that discloses.
Summary of the invention
Therefore, the present invention makes in order to address the above problem, and it is a kind of as the container that has used Biodegradable resin, the injection molded article that have gas barrier property and can easily decorate that its purpose is to provide.
Adopt injection molded article of the present invention, it is to use the injection resin material injection molded that is made up of Biodegradable resin to constitute, and it is characterized in that, the film with gas barrier property is fixed in the wall portion of these injection molded article.
Through adopting this structure,, also can have gas barrier property even used the container of Biodegradable resin.In addition, through film is decorated, can easily decorate container.
In addition, its characteristic is that also above-mentioned film has been applied in decoration, and is fixed on the wall portion outer surface.
And its characteristic is that also above-mentioned Biodegradable resin is a polylactic resin.
In addition, its characteristic is that also above-mentioned film is made up of Biodegradable resin.
Adopt this structure, the main body of film is made as Biodegradable resin, on any face of this main body, dispose gas barrier layer, thereby can further improve the biodegradation sexual function and seek to reduce discarded object.
And its characteristic is that also above-mentioned film has decorative layer, barrier layer and main film body, on wall portion outer surface, disposes decorative layer and barrier layer, disposes and be fixed with main film body in its outside.
Adopt this structure, decorative layer and barrier layer are protected from the outside by main film body.Therefore, needn't form decorative layer and barrier layer in addition.
And its characteristic also is, under the state in the die cavity that above-mentioned film is configured in the mould that is used for injection molded, in die cavity, injects resin material, thereby film one in mould is fixed in the wall portion of these injection molded article.
That is since utilize IMD (In Mold Decoration: in-mold decoration) can be in mould formed film and resin forming product simultaneously, therefore can the film that for example has block etc. be had no to be fixed on the container with gap.Therefore, can prevent to produce leakage from the edge part of film.
Adopt injection molded article of the present invention, used the container of Biodegradable resin to have gas barrier property, and can easily decorate.
Description of drawings
Fig. 1 is the profile of structure of the injection molded article of expression the 1st embodiment of the present invention.
Fig. 2 is explanation be used to the to be shaped key diagram of device of injection molded article.
(a) of Fig. 3 is the key diagram that is illustrated in when in mould, having disposed film in the device of Fig. 2.
(b) of Fig. 3 is the key diagram when being illustrated in the device that has disposed closed Fig. 2 behind the film and injecting resin material.
(c) of Fig. 3 is the key diagram when after injecting resin material, opening the device of Fig. 2 and taking out the injection molded article that are shaped.
Fig. 4 is the profile of structure of the injection molded article of expression the 2nd embodiment.
Fig. 5 is the profile when being illustrated in the configuration that has changed decorative layer in the 2nd embodiment.
The specific embodiment
The 1st embodiment
Based on description of drawings preferred implementation of the present invention.
The profile of the injection molded article in the 1st embodiment has been shown among Fig. 1.
The 1st embodiment of injection molded article 10 is to be fixed with in the wall portion outside by the formed products main body 11 of biodegradable resin molding to have the injection molded article that barrier layer 13 forms with the film 16 of main film body 15.In addition, in Fig. 1, to be depicted as formed products main body 11, barrier layer 13, main film body 15 and to have separated the gap respectively, but this to describe in order on accompanying drawing, should be readily appreciated that, in fact all members are fully closely contact each other.
Formed products main body 11 is shaped Biodegradable resin and forms as the injection resin material and through injection molded.As Biodegradable resin, have various kinds such as PLA, PCL, polyethylene glycol acid, modified polyvinylalcohol, casein, modified starch, in this embodiment, use PLA.
The film 16 that is configured in the wall portion outside of formed products main body 11 has barrier layer 13 in the inboard of main film body 15 (formed products main body 11 sides).
As the material of main film body 15, can adopt various materials.For example, resins such as PP (polypropylene), PET (PETG), PC (Merlon), acrylic resin.As acrylic resin, have PMMA (plexiglass) etc.
And, as the material of main film body 15, can adopt Biodegradable resin with formed products main body 11 identically.As Biodegradable resin, can adopt various materials such as PLA, PCL, polyethylene glycol acid, modified polyvinylalcohol, casein, modified starch as stated.
In addition, in this embodiment, owing between main film body 15 and formed products main body 11, dispose barrier layer 13, so the inside contents of formed products main body 11 can be guaranteed gas barrier property.Therefore, can main film body 15 be made as Biodegradable resin.Like this, through main film body 15 also is made as Biodegradable resin, can further reduce influence to environment.
In addition, barrier layer 13 is made up of the material with gas barrier properties.Gas barrier properties is meant to have through preventing to prevent in the discrepancy formed products main bodys such as oxygen, steam 11 to be contained in rotten etc. the effect of article in the formed products main body 11.
As barrier layer 13, can adopt materials such as titanium oxide layer, alumina layer, silicon oxide layer.Through these materials being coated on the medial surface of main film body 15, can form barrier layer 13.
The injection molded article 10 of above-mentioned formation are shaped through in-mold decoration (IMD:In Mold Decoration) and form.It is the same that IMD and so-called embedding are shaped, be injection molded with mould in configuration decorate good film, extrude the injection resin material, make film be configured as the manufacturing process of regulation shape with tight contact of injection resin material.
By the way; In being known as the technology of IMD; Also being as in mould, being printed on the technology of the hot transfer printing of literal, pattern on formed products on the film sometimes, still in the present invention, is being one this point on to be different with film at the mould internal shaping with formed products.
The manufacturing process that utilizes IMD has been shown among Fig. 2～Fig. 3.
Situation with the film 16 on barrier layer 13 has been shown in Fig. 3 (a) in a peel of mould 32 side internal configurations of die cavity 36.The barrier layer 13 of film 16 is configured to towards injecting resin material side (another peel of mould 34 sides).
In a peel of mould 32 side internal configurations of die cavity 36 after the film 16, a closed peel of mould 32 and another peel of mould 34.
Illustrated peel of mould 32 in Fig. 3 (b) closed and the situation of another peel of mould 34.
Behind mold closing, inject resin materials from the cast gate of another peel of mould 34 38, in die cavity 36, will inject resin material and film 16 is configured as one.
The situation of after shaping, opening a peel of mould 32 and another peel of mould 34 and taking out injection molded article 10 has been shown in Fig. 3 (c).
Like this, utilize IMD, can fixedly have the film 16 on barrier layer 13 in intimate contact with the outside of formed products main body 11.In addition, owing to do not need adhesive etc. film 16 being fixed on 11 last times of formed products main body, therefore can a kind of container-like injection molded article by biodegradable resin molding with barrier layer 13 be provided with low cost.
And, through utilizing IMD film 16 is fixed on the formed products main body 11, can play following action effect.
For example, have no with gap with film 16 be fixed on formed products main body 11 around, this has in the field of gas barrier property in special demands is very important.But, when utilize adhesive film 16 is fixed on formed products main body 11 around the time, produce easily and leak from the edge of film 16.
Particularly when formed products main body 11 when as plastic bottle, becoming the tubular of path that kind near the peristome; The edge of film 16 is near the peristome of tubular; When utilizing adhesive that film 16 is fixed on 11 last times of formed products main body of this shape, near the edge part of film 16, be easy to generate fold.But; As the present invention; Through film 16 being configured in the mould 30 and injecting the injection resin material (injection molded) that constitutes by Biodegradable resin; In mould 30, film 16 and the formed products main body 11 that is made up of Biodegradable resin are configured as one, can prevent the generation of the leakage at the debatable especially edge from film 16.
The 2nd embodiment
The 2nd embodiment of injection molded article of the present invention then, is described based on Fig. 4.In addition, sometimes also for the inscape mark identical Reference numeral identical, and omit explanation with above-mentioned embodiment.
In this embodiment; Film 16 has gas barrier property and ornamental simultaneously, injection molded article 10 be fixed with in the wall portion outside by the formed products main body 11 of biodegradable resin molding have barrier layer 13, injection molded article that the film 16 of decorative layer 19 and main film body 15 forms.
In Fig. 6, also to be depicted as formed products main body 11, barrier layer 13, decorative layer 19, main film body 15 and to have separated the gap respectively, but this to describe in order on accompanying drawing, should be readily appreciated that, in fact all members are fully closely contact each other.
As decorative layer 19, be made as and utilize printer etc. to be printed on the China ink layer of the formed products side of main film body 15.In Fig. 4, be provided with decorative layer 19 in formed products main body 11 sides of main film body 15, at the formed products main body 11 sides coating titanium oxide layer of decorative layer 19, alumina layer, silicon oxide layer etc. and be provided with barrier layer 13.
Like this, adopt this embodiment, can the film 16 that have barrier layer 13 and have a decorative layer 19 be fixed on the formed products main body 11 by biodegradable resin molding reliably.
In addition, as shown in Figure 5, in this embodiment,, both can be positioned at formed products main body 11 sides with respect to barrier layer 13 and also can be positioned at main film body 15 sides as decorative layer 19, can be positioned at this both any side.
Also can carry out the shaping of the injection molded article 10 in above-mentioned the 2nd embodiment through in-mold decoration (IMD:In Mold Decoration).
The operation of concrete manufacturing process and Fig. 2～shown in Figure 3 is identical, omits its explanation at this.
Other embodiments
In above-mentioned each embodiment, film 16 is fixed on the wall portion outer surface of formed products main body 11.
But, as the present invention, be not limited to the situation on the wall portion outer surface that film 16 is fixed on formed products main body 11, also can be that film 16 is fixed on the wall portion inner surface of formed products main body 11 (not shown).
Description of reference numerals
10, injection molded article; 11, formed products main body; 13, barrier layer; 15, main film body; 16, film; 19, decorative layer; 30, mould; 32,34, peel of mould; 36, die cavity; 38, cast gate.
Claims (6)
1. injection molded article, it is to use the injection resin material that is made up of Biodegradable resin to carry out injection molded to constitute, it is characterized in that,
Film with gas barrier property is fixed in the wall portion of these injection molded article.
2. injection molded article according to claim 1 is characterized in that,
Above-mentioned film has been applied in decoration, and is fixed on the wall portion outer surface.
3. injection molded article according to claim 1 and 2 is characterized in that,
Above-mentioned Biodegradable resin is a polylactic resin.
4. according to each described injection molded article in the claim 1～3, it is characterized in that,
Above-mentioned film is made up of Biodegradable resin.
5. according to each described injection molded article in the claim 1～4, it is characterized in that,
Above-mentioned film has decorative layer, barrier layer and main film body,
These injection molded article are configured as, and on wall portion outer surface, dispose decorative layer and barrier layer, dispose and be fixed with main film body in the outside on decorative layer and barrier layer.
6. according to each described injection molded article in the claim 1～5, it is characterized in that,
These injection molded article form in the following manner; Promptly; Under the state in the die cavity that above-mentioned film is configured in the mould that is used for injection molded, in die cavity, inject resin material, thereby film one in mould is fixed in the wall portion of these injection molded article.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-270521 | 2010-12-03 | ||
| JP2010270521A JP2012116166A (en) | 2010-12-03 | 2010-12-03 | Injection-molded article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102529237A true CN102529237A (en) | 2012-07-04 |
Family
ID=46337844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104001870A Pending CN102529237A (en) | 2010-12-03 | 2011-12-02 | Injection molding product |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012116166A (en) |
| CN (1) | CN102529237A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531780A (en) * | 2020-04-17 | 2020-08-14 | 西诺控股集团有限公司 | Method for manufacturing recyclable plastic packaging box |
| CN111873591A (en) * | 2020-08-10 | 2020-11-03 | 江西禾尔斯环保科技有限公司 | Biodegradable material product and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006044162A (en) * | 2004-08-06 | 2006-02-16 | Toppan Printing Co Ltd | Biodegradable gas barrier film having inorganic oxide vapor deposition layer and protective layer |
| CN101627669A (en) * | 2007-03-30 | 2010-01-13 | 富士通株式会社 | Composite frame using biodegradable plastic and manufacturing method thereof |
| CN101821096A (en) * | 2007-06-15 | 2010-09-01 | 霍尼韦尔国际公司 | Improved property films from renewable polymers |
-
2010
- 2010-12-03 JP JP2010270521A patent/JP2012116166A/en active Pending
-
2011
- 2011-12-02 CN CN2011104001870A patent/CN102529237A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006044162A (en) * | 2004-08-06 | 2006-02-16 | Toppan Printing Co Ltd | Biodegradable gas barrier film having inorganic oxide vapor deposition layer and protective layer |
| CN101627669A (en) * | 2007-03-30 | 2010-01-13 | 富士通株式会社 | Composite frame using biodegradable plastic and manufacturing method thereof |
| CN101821096A (en) * | 2007-06-15 | 2010-09-01 | 霍尼韦尔国际公司 | Improved property films from renewable polymers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531780A (en) * | 2020-04-17 | 2020-08-14 | 西诺控股集团有限公司 | Method for manufacturing recyclable plastic packaging box |
| CN111873591A (en) * | 2020-08-10 | 2020-11-03 | 江西禾尔斯环保科技有限公司 | Biodegradable material product and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012116166A (en) | 2012-06-21 |
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Application publication date: 20120704 |