CN103434238A

CN103434238A - Ring label coiled material for laminating paper/plastic polystyrene connected cup

Info

Publication number: CN103434238A
Application number: CN2013104055668A
Authority: CN
Inventors: 赵国途; 卿前仲
Original assignee: Stone Packaging (jiaxing) Co Ltd
Current assignee: Stone Packaging (jiaxing) Co Ltd
Priority date: 2013-09-06
Filing date: 2013-09-06
Publication date: 2013-12-11
Anticipated expiration: 2033-09-06
Also published as: CN103434238B

Abstract

The invention relates to a ring label coiled material for a laminating paper/plastic polystyrene connected cup. The ring label coiled material comprises a paper body, wherein a layer of plastic film is compounded on the upper surface of the paper body; a printing ink layer is coated on the contact surface of the plastic film and the paper body; and a hot melt adhesive layer which is convenient for fixing and adhering the paper body is coated on the lower surface of the paper body. The ring label coiled material has the advantages that the layer of plastic film is compounded on the upper surface of the paper body, so that water can be prevented from being in direct contact with a papery substrate, and the aim of preventing water is achieved; the stiffness of the compounded label coiled material is remarkably increased; and the material consumption of the cup can be reduced by reducing the thickness of the wall of the cup on the premise that the whole cup needs to be up to a certain stiffness, so that the use cost is reduced.

Description

Ring label coiled material for a kind of multiple film paper polystyrene connecting cup

Technical field

The present invention relates to ring label coiled material for a kind of multiple film paper polystyrene connecting cup.

Background technology

Polystyrene connecting cup refers to that nearest 20 years left and right are emerging, adopt the online moulding of polystyrene sheet material, filling online, online sealing, finished product out cuts into 4 later, the manner of packing of 6 or 8 cups, this manner of packing is mainly used to pack milk, especially Yoghourt is with the most use, equally also can be used for packing fruit juice or puree, the products such as liquid condiment, because single glass of capacity only has 80-130g, can single glass during use and be unlikely to as the same once use meeting of large packing because open the quality that sealing affects whole large packing, sell convenient consumer's use to connect the cup mode, Yoghourt refrigerator in general larger supermarket all has this type of production marketing, this connects cup is employing sheet material on-line heating moulding cup when filling, the bottle placer started most is not to be with online labeling function, possess enough product informations because need above single glass of product, only on sealed membrane, impressing pattern and word seem very crowded, affecting outward appearance just looks at unintelligible, raising along with the capacity of equipment level, equipment vendors have developed the equipment with on-line automatic labeling subsequently, such label is contained on the fixture of equipment with the form of wound roll material, when filling, by online, draw, cut and other associated components are sent to the cup wall of cup place of online forming, utilize the remaining temperature after the cup moulding to be fitted on wall of cup.

Such traditional structure of label that is fitted in online on polystyrene connecting cup is paper+PUR, paper removes to be coated with one deck PUR after printing ink logo again, for allow the printing after pattern not by equipment and accumulating, scrape and wipe in process of consumption, ink pellet surface can be coated with the last layer gloss oil again, the polystyrene connecting cup paper using ring mark of traditional structure is because main base material is paper, paper is when meeting water or running into wet environment, paper especially easily absorbs water, paper performance after water suction alters a great deal, deflection obviously reduces, size also there will be increase in various degree, simultaneously because make the fibrous binding force of paper greatly reduce after water suction, paper is very easily damaged after running into scraping, all can refrigerate and deposit as the products such as milk, such ambient humidity is very large, paper also is easy to the sex change that absorbs water, the pattern content of printing on label also can may be scratched because of this problem.

Summary of the invention

The technical problem to be solved in the present invention is the harmful effect that sex change brings that easily absorbs water of existing traditional polystyrene connecting cup paper using ring mark, thereby ring label coiled material for a kind of multiple film paper polystyrene connecting cup is provided.

In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: ring label coiled material for a kind of multiple film paper polystyrene connecting cup, comprise the paper body, the upper surface of described paper body be compounded with layer of plastic film, be coated with one deck ink layer on the contact-making surface of described plastic sheeting and paper body, the lower surface of described paper body scribbles one deck and is convenient to the fixing bonding hot melt adhesive layer of paper body.

Preferably, described plastic sheeting is bidirectional stretching polypropylene film or biaxially oriented polyester film, the thickness of described plastic sheeting is 16～20 μ m, it is good that bidirectional stretching polypropylene film has a printing performance, the high grade of transparency, good luster, good barrier property, shock strength is high, low temperature resistant, water resistance is good, biaxially oriented polyester film has good blocking water, gas barrier properties, cold-resistant, heat resistance is good, intensity is high, when the thickness of plastic sheeting is less than 16 μ m, water resistance is poor, when the thickness of described plastic sheeting is greater than 20 μ m, be unfavorable for that ink layer shows, result of use is poor.

Preferably, described plastic sheeting is fixed on the paper body by adhesive for polyurethane, thickness 1.5～2.5 μ m of described adhesive for polyurethane, the adhesive for polyurethane good seal performance, when the thickness of adhesive for polyurethane is less than 1.5 μ m, the fixed performance of plastic sheeting is poor, easily come off, unfailing performance is bad, when the thickness of adhesive for polyurethane is greater than 2.5 μ m, be unfavorable for the bonding of plastic sheeting and paper, result of use is poor.

Preferably, described hot melt adhesive layer is mixed by EVA, macromolecule wax, Petropols, and described hot melt adhesive layer is coated on the paper body by anilox roll, bonding effect is good, is convenient to fix, and by anilox roll, PUR is coated with on the paper body, simple operations, serviceability is good.

Preferably, in the weight of the above hot melt adhesive layer of paper body of every square metre, be 10～20g, the thickness of described hot melt adhesive layer is 18～22 μ m, is convenient to fix, and result of use is good, and intensity is large, is convenient to bonding.

Preferably, in every square metre, the weight of described paper body is 80～100g, is convenient to plastic sheeting bondingly, and bonding effect is good, and serviceability is good.

Preferably, the thickness of described ink layer is 0.8～1.2 μ m, when the thickness of ink layer is less than 0.8 μ m, the pattern, the word that are coated on plastic sheeting show as smudgy, serviceability is poor, and when the thickness of ink layer is greater than 1.2 μ m, the pattern, the word that are coated on plastic sheeting show as too dark, easily make ink layer produce muddy, result of use is poor.

In sum, advantage of the present invention: the layer of plastic film be compounded with on the upper surface by the paper body, can stop that moisture directly contacts with paper substrate, reached the purpose of waterproof, the deflection of the label coiled material after compound is significantly improved, need to reach at whole cup under the prerequisite of certain deflection, can save the consumptive material of cup by the thickness that reduces the cup wall of cup, reduce use cost.

The accompanying drawing explanation

Below in conjunction with accompanying drawing, the invention will be further described:

Fig. 1 is the structural representation of a kind of multiple film paper polystyrene connecting cup of the present invention with ring label coiled material.

The specific embodiment

As shown in Figure 1: ring label coiled material for a kind of multiple film paper polystyrene connecting cup, comprise paper body 1, be compounded with layer of plastic film 2 on the upper surface of described paper body 1, be coated with one deck ink layer 21 on the contact-making surface of described plastic sheeting 2 and paper body 1, scribbling one deck on the lower surface of described paper body 1 is convenient to the fixing bonding hot melt adhesive layer 3 of paper body 1, described plastic sheeting 2 is bidirectional stretching polypropylene film or biaxially oriented polyester film, the thickness of described plastic sheeting 2 is 16～20 μ m, it is good that bidirectional stretching polypropylene film has a printing performance, the high grade of transparency, good luster, good barrier property, shock strength is high, low temperature resistant, water resistance is good, biaxially oriented polyester film has good blocking water, gas barrier properties, cold-resistant, heat resistance is good, intensity is high, when the thickness of plastic sheeting 2 is less than 16 μ m, water resistance is poor, when the thickness of described plastic sheeting 2 is greater than 20 μ m, be unfavorable for that ink layer 21 shows, result of use is poor, described plastic sheeting 2 is fixed on paper body 1 by adhesive for polyurethane, thickness 1.5～2.5 μ m of described adhesive for polyurethane, the adhesive for polyurethane good seal performance, when the thickness of adhesive for polyurethane is less than 1.5 μ m, the fixed performance of plastic sheeting is poor, easily come off, unfailing performance is bad, when the thickness of adhesive for polyurethane is greater than 2.5 μ m, be unfavorable for the bonding of plastic sheeting 2 and paper, result of use is poor, described hot melt adhesive layer 3 is by EVA, macromolecule wax, Petropols mix, described hot melt adhesive layer 3 is coated on paper body 1 by anilox roll, bonding effect is good, be convenient to fix, by anilox roll, PUR is coated with on paper body 1, simple operations, serviceability is good, weight at paper body 1 the above hot melt adhesive layer 3 of every square metre is 10～20g, the thickness of described hot melt adhesive layer 3 is 18～22 μ m, be convenient to fix, result of use is good, intensity is large, be convenient to bonding, in every square metre, the weight of described paper body 1 is 80～100g, be convenient to plastic sheeting 2 bonding, bonding effect is good, serviceability is good, the thickness of described ink layer 21 is 0.8～1.2 μ m, when the thickness of ink layer 21 is less than 0.8 μ m, be coated on the pattern on plastic sheeting 2, word shows as smudgy, serviceability is poor, when the thickness of ink layer 21 is greater than 1.2 μ m, be coated on the pattern on plastic sheeting 2, word shows as too dark, easily make ink layer 21 produce muddy, result of use is poor.

By the plastic sheeting 2 that is coated with ink layer 21, by adhesive for polyurethane, be fixed on the upper surface of paper body 1, PUR coating EVA, macromolecule wax, Petropols mixed by anilox roll is on the lower surface of paper body 1, in the time of fixedly, the hot melt adhesive layer 3 formed on the paper body by PUR is fixed on dixie cup, during use, by 2 pairs of paper bodies of plastic sheeting 1, carry out waterproof, damp proof effect.

The layer of plastic film be compounded with on upper surface by the paper body, can stop that moisture directly contacts with paper substrate, reached the purpose of waterproof, the deflection of the label coiled material after compound is significantly improved, at whole cup, need to reach under the prerequisite of certain deflection, can save the consumptive material of cup by the thickness that reduces the cup wall of cup, reduce use cost.

Claims

1. a multiple film paper polystyrene connecting cup is with encircling the label coiled material, comprise paper body (1), it is characterized in that: the upper surface of described paper body (1) is compounded with layer of plastic film (2), be coated with one deck ink layer (21) on the contact-making surface of described plastic sheeting (2) and paper body (1), the lower surface of described paper body (1) scribbles one deck and is convenient to the fixing bonding hot melt adhesive layer (3) of paper body (1).

2. a kind of multiple film paper polystyrene connecting cup according to claim 1 is with encircling the label coiled material, it is characterized in that: described plastic sheeting (2) is bidirectional stretching polypropylene film or biaxially oriented polyester film, and the thickness of described plastic sheeting (2) is 16～20 μ m.

3. a kind of multiple film paper polystyrene connecting cup according to claim 1 is with encircling the label coiled material, it is characterized in that: it is upper that described plastic sheeting (2) is fixed on paper body (1) by adhesive for polyurethane, thickness 1.5～2.5 μ m of described adhesive for polyurethane.

4. a kind of multiple film paper polystyrene connecting cup according to claim 1 is with encircling the label coiled material, it is characterized in that: described hot melt adhesive layer (3) is mixed by EVA, macromolecule wax, Petropols, and described hot melt adhesive layer (3) is coated on paper body (1) by anilox roll.

5. a kind of multiple film paper polystyrene connecting cup according to claim 1 is with encircling the label coiled material, it is characterized in that: the weight at the above hot melt adhesive layer of paper body (1) (3) of every square metre is 10～20g, and the thickness of described hot melt adhesive layer (3) is 18～22 μ m.

6. a kind of multiple film paper polystyrene connecting cup according to claim 1 is with encircling the label coiled material, and it is characterized in that: in every square metre, the weight of described paper body (1) is 80～100g.

7. a kind of multiple film paper polystyrene connecting cup according to claim 1 is with encircling the label coiled material, and it is characterized in that: the thickness of described ink layer (21) is 0.8～1.2 μ m.