CN208053961U - Fresh natural complex fresh-keeping film and freshness protection package suitable for automatic packaging - Google Patents

Fresh natural complex fresh-keeping film and freshness protection package suitable for automatic packaging Download PDF

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Publication number
CN208053961U
CN208053961U CN201721762140.8U CN201721762140U CN208053961U CN 208053961 U CN208053961 U CN 208053961U CN 201721762140 U CN201721762140 U CN 201721762140U CN 208053961 U CN208053961 U CN 208053961U
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fresh
film
keeping
natural complex
composite
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CN201721762140.8U
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常双艳
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Fujian Province Sino Science Biological Co Ltd
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Fujian Province Sino Science Biological Co Ltd
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Abstract

The utility model provides a kind of fresh natural complex fresh-keeping film and freshness protection package suitable for automatic packaging, including anti-fog layer, protective layer;The anti-fog layer includes cpp film and antifoggant;The protective layer is specially opp film layers;The anti-fog layer is coated with polyurethane glue and is combined in complex to form the fresh natural complex fresh-keeping film by dry type with protective layer on one side.It can realize that reducing water mist generates, and improves the clear aesthetics of fresh-keeping of vegetables phase and vegetables packaging using the technical program.

Description

Fresh natural complex fresh-keeping film and freshness protection package suitable for automatic packaging
Technical field
The utility model is related to the fields of a kind of fresh packaging, in particular to a kind of fresh multiple suitable for automatic packaging Close preservative film and freshness protection package.
Background technology
The vegetables in market are sold, and the manner of packing of vegetables is varied, such as:Box-packed, pallet dress and packed, mostly with hand Based on work packaging.Packaging film in the prior art is easy rising volatilization, is packing since vegetable aquaculture itself moisture is high Water mist is formed in bag and finally condenses droplet in packaging bag, and droplet easily drips at vegetables root notch or disconnected leaf, is easy to grow Bacterium accelerates the rotten speed of vegetables, keeps the fresh-keeping of vegetables phase of short duration.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of suitable for automatic packaging Fresh natural complex fresh-keeping film and freshness protection package, anti-fog layer effect greatly reduces water mist generation, improve fresh-keeping of vegetables phase and vegetables The clear aesthetics of packaging.
In order to solve the above-mentioned technical problem, the utility model provides a kind of fresh compound guarantor suitable for automatic packaging Fresh film, including anti-fog layer, protective layer;The anti-fog layer includes cpp film and antifoggant;The protective layer is specially opp films Layer;The anti-fog layer is coated with polyurethane glue and is combined in complex to form the fresh compound guarantor by dry type with protective layer on one side Fresh film.
In a preferred embodiment, the antifoggant is embedded among cpp film.
In a preferred embodiment, between the thickness of the fresh natural complex fresh-keeping film is 2 to 9.
The utility model additionally provides a kind of fresh composite fresh-keeping bag of automated production, uses above-mentioned fresh compound guarantor Fresh film;The fresh natural complex fresh-keeping film surrounds a fresh composite fresh-keeping bag with accommodating cavity;The anti-fog layer is set to fresh Natural complex fresh-keeping film is close to accommodating cavity one side;The protective layer is set to one side of the fresh natural complex fresh-keeping film far from accommodating cavity.
The utility model also provides a kind of fresh composite fresh-keeping bag of automated production, uses above-mentioned fresh composite fresh-keeping Film;The fresh composite fresh-keeping bag by more than described 2 or two panels fresh natural complex fresh-keeping film group be encircled into accommodating cavity Fresh composite fresh-keeping bag;The side of each fresh natural complex fresh-keeping film connects two-by-two;The anti-fog layer is set to fresh composite fresh-keeping Film is close to accommodating cavity one side;The protective layer is set to one side of the fresh natural complex fresh-keeping film far from accommodating cavity.
In a preferred embodiment, the antifoggant is embedded among cpp film.
In a preferred embodiment, between the thickness of the fresh natural complex fresh-keeping film is 2 to 9.
Compared to the prior art, the technical solution of the utility model has following advantageous effect:
1. reduce the formation of water mist in packaging bag by the way that anti-fog layer is arranged, so as to avoid droplets form in packaging bag, It protects vegetables root notch and disconnected leaf not to be influenced by water droplet, and reduces vegetable spoilage speed, extend the freshness date of vegetables.
2. reducing the formation of water mist in packaging bag by the way that anti-fog layer is arranged, packaging bag can also be increased from largely Clarity, enable the customer to be intuitive to see article in packaging bag, improve product aesthetics, more consumer provides just Profit.
3. by the way that protective layer is arranged, it ensure that the toughness of fresh natural complex fresh-keeping film, be unlikely to too crisp, be unfavorable for automatic metaplasia Production.
4. it is to ensure that packaging bag shape is tall and straight, it is beautiful improving product that the thickness that fresh natural complex fresh-keeping film is arranged, which is 2 to 9, Degree, while ensureing packing machine when being sealed to packaging bag, packing machine cutter operational sound is unlikely to too big, causes machine Abrasion.
5. anti-fog layer is designed as antifoggant being embedded in the structure among cpp film, the method using face coat is avoided, is kept away The case where having exempted to overflow the antifoggant of face coat because of vegetables respiration discharge large quantity of moisture, improves fresh composite fresh-keeping The service life of film.
6. traditional vegetables are packed, individual bag being mostly used greatly, is manually weighed, packed, sealing, most fast efficiency is per hour 180 bags.Inefficiency, and hand-filling keeps production cost high, uses this fresh natural complex fresh-keeping film machine, so that it may it is suitable With packing machine automatic packaging, working efficiency can reach 3600 bags per hour, and working efficiency is totally improved compared with traditional diamond-making technique 20 times.This is modern agriculture, and fresh product processing industry greatly reduces cost of labor.
Description of the drawings
Fig. 1 is fresh natural complex fresh-keeping film sectional view in the preferred embodiment in the utility model.
Specific implementation mode
The utility model is described further below in conjunction with the drawings and specific embodiments.
A kind of fresh natural complex fresh-keeping film suitable for automatic packaging, with reference to figure 1, including anti-fog layer 1, protective layer 2.
Currently, packaging membrane material in the market mainly has cpp film (cast polypropylene film), opp films, (orientation is drawn Polypropylene stretched film), three kinds of pe films (polyethylene film).Due to opp films (orientation stretching polypropylene film) to temperature compared with Sensitivity, cpp film (cast polypropylene film) and too crisp not applicable pillow type packing machine are packed automatically, pe films (polyethylene film) It is too soft, poor transparency, therefore be not suitable for being used alone;So selecting anti-fog layer 1 to be compounded to form composite with protective layer 2 makes With.
By screening, the combination that may be coextruded has cpp film (cast polypropylene film), and (orientation is drawn with opp films Polypropylene stretched film) composite material, pet films (high temperature resistance polyester film) and pe films (polyethylene film) composite material, Pet films (high temperature resistance polyester film) and three kinds of composite materials of cpp film (cast polypropylene film) composite material.Because of pet Film (high temperature resistance polyester film) and pe films (polyethylene film) composite material clarity are not high enough, and (polyethylene is thin for pe films Film) anti-fog effect do not highlight not come out, therefore fix cpp film (cast polypropylene film) (orientation stretching polypropylene is thin with opp films Film) composite material, pet films (high temperature resistance polyester film) and two kinds of cpp film (cast polypropylene film) composite material it is compound Material is selective.
Again because of the outer layer of pet films (high temperature resistance polyester film) and cpp film (cast polypropylene film) composite material Pet films (high temperature resistance polyester film) tend to have cut by machine turning, and transport tends to have fold, do not select.Therefore select cpp film (cast polypropylene film) and opp films (orientation stretching polypropylene film) composite material, with cpp film, (cast polypropylene is thin Film) it is soft with composite membrane film quality made of opp films (orientation stretching polypropylene film) composite material, high definition is transparent, with pillow formula Packing machine no-float.
So the anti-fog layer 1 includes cpp film (cast polypropylene film) and antifoggant;The protective layer 2 is specially Opp films (orientation stretching polypropylene film) layer;The anti-fog layer 1 is coated with polyurethane glue 3 and passes through with protective layer 2 on one side Dry type is combined in complex to form the fresh natural complex fresh-keeping film.It can avoid with protective layer using the compound method bonding anti-fog layer of dry type Glue is chemically reacted with antifoggant, generates cloud point, the transparency of fresh natural complex fresh-keeping film is made to decline, and influences product beauty Degree.
Reduce the formation of water mist in packaging bag by the way that anti-fog layer is arranged, so as to avoid droplets form in packaging bag, protects Shield vegetables root notch and disconnected leaf are not influenced by water droplet, and reduce vegetable spoilage speed, extend the freshness date of vegetables;It can also be from Largely, the clarity for increasing packaging bag enables the customer to be intuitive to see article in packaging bag, and it is beautiful to improve product Degree, more consumer provide facility.
By the way that protective layer is arranged, it ensure that the toughness of fresh natural complex fresh-keeping film, be unlikely to too crisp, be unfavorable for automatic metaplasia Production.
Due to each have their own feature of various packaging films, opp films (orientation stretching polypropylene film) high definition is soft, antifog skill Art is most ripe, but very sensitive to temperature, therefore at automatic packaging machine hot-seal, it is easy to happen fold;Cpp film (curtain coating Polypropylene film) for opp films (orientation stretching polypropylene film), material is clear and melodious, tall and straight, automatic packaging machine sealing When, notch is beautiful, antifog technology relative maturity, but tends to have cut.Verified, selecting opp films, (orientation stretching polypropylene is thin Film) it is used as fresh natural complex fresh-keeping film outer layer, i.e., the one side of fresh natural complex fresh-keeping film principle vegetables;(cast polypropylene is thin for cpp film Film) as fresh composite fresh-keeping film inner layer, that is, fresh natural complex fresh-keeping film close to the one side of vegetables.
Due to the respiration of vegetables, large quantity of moisture can be discharged, contact anti-fog layer for a long time, the anti-fog layer of face coat is anti- Mist agent can overflow, to influence sensory effects.Method in order to avoid using face coat, the case where causing antifoggant to overflow, The antifoggant is embedded among cpp film (cast polypropylene film).
In order to avoid because the thickness of fresh natural complex fresh-keeping film is excessive cause packing machine to work when cutter too loudly, abrasion Packing machine;It is beautiful and in order to avoid causing fresh composite fresh-keeping bag not tall and straight enough because the thickness of fresh natural complex fresh-keeping film is too small Degree reduces;So between the thickness of the fresh natural complex fresh-keeping film is 2 to 9.
Embodiment 1
A kind of fresh composite fresh-keeping bag of automated production, uses above-mentioned fresh natural complex fresh-keeping film;It is described fresh multiple Conjunction preservative film surrounds a fresh composite fresh-keeping bag with accommodating cavity;It is close that the anti-fog layer 1 is set to fresh natural complex fresh-keeping film Accommodating cavity one side;The protective layer 2 is set to one side of the fresh natural complex fresh-keeping film far from accommodating cavity.
Embodiment 2
A kind of fresh composite fresh-keeping bag of automated production, uses above-mentioned fresh natural complex fresh-keeping film;It is described fresh multiple Close the fresh composite fresh-keeping with accommodating cavity that freshness protection package is encircled by more than described 2 or two panels fresh natural complex fresh-keeping film group Bag;The side of each fresh natural complex fresh-keeping film connects two-by-two;The anti-fog layer 1 is set to fresh natural complex fresh-keeping film close to accommodating cavity On one side;The protective layer 2 is set to one side of the fresh natural complex fresh-keeping film far from accommodating cavity.
The preferable specific implementation mode of the above, only the utility model, but the design concept of the utility model is not It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, utilizes this design The change that unsubstantiality is carried out to the utility model belongs to the behavior for invading scope of protection of the utility model.

Claims (7)

1. a kind of fresh natural complex fresh-keeping film suitable for automatic packaging, it is characterised in that including anti-fog layer, protective layer;It is described anti- Mist layer includes cpp film and antifoggant;The protective layer is specially opp film layers;The anti-fog layer is coated with polyurethane on one side Glue simultaneously is combined in complex to form the fresh natural complex fresh-keeping film with protective layer by dry type.
2. the fresh natural complex fresh-keeping film according to claim 1 suitable for automatic packaging, which is characterized in that described antifog Agent is embedded among cpp film.
3. the fresh natural complex fresh-keeping film according to claim 2 suitable for automatic packaging, which is characterized in that described fresh Between the thickness of natural complex fresh-keeping film is 2 to 9.
4. a kind of fresh composite fresh-keeping bag of automated production, which is characterized in that use described in claim 1 be suitable for certainly The fresh natural complex fresh-keeping film of dynamicization packaging;The fresh natural complex fresh-keeping film surrounds a fresh composite fresh-keeping bag with accommodating cavity; The anti-fog layer is set to fresh natural complex fresh-keeping film close to accommodating cavity one side;It is remote that the protective layer is set to fresh natural complex fresh-keeping film One side from accommodating cavity.
5. a kind of fresh composite fresh-keeping bag of automated production, which is characterized in that use described in claim 1 fresh compound Preservative film;The fresh composite fresh-keeping bag is accommodating by having of being encircled into of more than described 2 or two panels fresh natural complex fresh-keeping film group The fresh composite fresh-keeping bag of chamber;The side of each fresh natural complex fresh-keeping film connects two-by-two;The anti-fog layer is set to fresh compound Preservative film is close to accommodating cavity one side;The protective layer is set to one side of the fresh natural complex fresh-keeping film far from accommodating cavity.
6. the fresh composite fresh-keeping bag of automated production according to claim 4 or 5, which is characterized in that the antifoggant Among cpp film.
7. the fresh composite fresh-keeping bag of automated production according to claim 4 or 5, which is characterized in that described fresh multiple Between the thickness for closing preservative film is 2 to 9.
CN201721762140.8U 2017-12-15 2017-12-15 Fresh natural complex fresh-keeping film and freshness protection package suitable for automatic packaging Active CN208053961U (en)

Priority Applications (1)

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CN201721762140.8U CN208053961U (en) 2017-12-15 2017-12-15 Fresh natural complex fresh-keeping film and freshness protection package suitable for automatic packaging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721762140.8U CN208053961U (en) 2017-12-15 2017-12-15 Fresh natural complex fresh-keeping film and freshness protection package suitable for automatic packaging

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112852228A (en) * 2021-02-04 2021-05-28 上海都昱新材料科技有限公司 Heat-sealable water-based antifogging coating and preparation method and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112852228A (en) * 2021-02-04 2021-05-28 上海都昱新材料科技有限公司 Heat-sealable water-based antifogging coating and preparation method and application thereof

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