CN113292946A

CN113292946A - Cellulose biodegradable adhesive tape

Info

Publication number: CN113292946A
Application number: CN202110660988.4A
Authority: CN
Inventors: 殷涛; 张晓冬; 杨智国; 王鑫; 张珊珊; 彭守永; 黄孝瑞
Original assignee: Zaozhuang Jiahong Packaging Materials Co ltd
Current assignee: Zaozhuang Jiahong Packaging Materials Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-08-24

Abstract

The invention relates to the technical field of adhesive tapes, and discloses a cellulose biodegradable adhesive tape, wherein an adhesive tape main body is wound outside a fixed sleeve and comprises an outermost release film, a first adhesive layer is adhered to the lower surface of the release film, a waterproof fixing layer is arranged on the lower surface of the first adhesive layer, a biological film is arranged below the waterproof fixing layer, a first adhesive is coated on the lower surface of the biological film, a degradable fixing layer is arranged on the lower surface of the first adhesive, and a second adhesive is coated on the lower surface of the degradable fixing layer. The single side of the biological membrane designed by the invention is treated by the electrostatic treatment layer and the non-silicon treatment layer, so that the single side of the biological membrane has static electricity and adhesive force, thereby reaching the gluing standard, and the degradation speed of the adhesive tape can be improved by the arrangement of the first degradation layer and the second degradation layer in the degradation fixing layer.

Description

Cellulose biodegradable adhesive tape

Technical Field

The invention relates to the technical field of adhesive tapes, in particular to a cellulose biodegradable adhesive tape.

Background

The adhesive tape is composed of a base material and an adhesive, two or more unconnected objects are connected together by bonding, a layer of adhesive is coated on the surface of the adhesive tape, the adhesive tape can be stuck to the objects, and the adhesive tape can be divided into the following parts according to the effects: the adhesive tape has different effects and is suitable for different industry requirements.

Most of the existing adhesive tapes are made of BoPp which is a raw material, the raw material is serious in pollution, poor in degradation effect and easy to pollute the environment, and the waterproof effect of the adhesive tapes is poor, so that water seepage is caused when the adhesive tapes are used, and the quality of box sealing is affected. Accordingly, the skilled person provides a cellulose biodegradable tape to solve the problems set forth in the background art described above.

Disclosure of Invention

The present invention aims to provide a cellulose biodegradable adhesive tape to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

cellulose biodegradable adhesive tape, including the sticky tape main part, sticky tape main part winding is in the outside of fixed cover, and the sticky tape main part includes outmost from the type membrane, the lower surface from the type membrane is stained with first viscose layer, the lower surface on first viscose layer is provided with waterproof fixed bed, the below on waterproof fixed bed is provided with the biomembrane, the lower surface of biomembrane scribbles first viscose, the lower surface of first viscose is provided with the degradation fixed bed, the lower surface of degradation fixed bed scribbles the second viscose.

As a still further scheme of the invention: the lower surface of the biological membrane is provided with an electrostatic treatment layer and a non-silicon treatment layer from top to bottom respectively.

As a still further scheme of the invention: the first adhesive layer is a composite adhesive, the first adhesive is an acrylic adhesive, and the first adhesive and the second adhesive are the same in thickness.

As a still further scheme of the invention: waterproof fixed layer is including the waterproof base film of adhesion at first viscose layer lower surface, the lower surface of waterproof base film is provided with first waterproof layer, the lower surface of first waterproof layer is provided with the tensile layer, the lower surface on tensile layer scribbles second viscose layer, the lower surface on second viscose layer is adhered with the second waterproof layer.

As a still further scheme of the invention: and the upper surface of the first waterproof layer is provided with a waterproof hole.

As a still further scheme of the invention: the waterproof hole is circular and is provided with four rows at least at equal intervals on the upper surface of the first waterproof layer.

As a still further scheme of the invention: the thickness of the first waterproof layer is twice that of the second waterproof layer, the first waterproof layer and the second waterproof layer are made of the same material, and the thickness of the tensile layer is the same as that of the second waterproof layer.

As a still further scheme of the invention: the degradation fixed layer is including the degradation filling layer of adhesion at first viscose agent lower surface, the lower surface of degradation filling layer is provided with first degradation layer, the lower surface on first degradation layer is provided with the second degradation layer.

As a still further scheme of the invention: the first degradation layer and the second degradation layer are the same in size and shape, the first degradation layer is made of polylactide material, and the second degradation layer is made of modified starch material.

As a still further scheme of the invention: the thickness of the degradation filling layer is twice that of the first degradation layer, and the inside of the degradation filling layer is filled with a photolysis cellulose and biodegradable polyester mixed material.

Compared with the prior art, the invention has the beneficial effects that:

1. the single side of the biological film designed by the invention is treated by the electrostatic treatment layer and the non-silicon treatment layer, so that the single side of the biological film has static electricity and adhesive force, thereby reaching the gluing standard and being convenient to use.

2. Through the setting of first waterproof layer and second waterproof layer in the waterproof fixed bed, can the effectual water-proof effects who improves the sticky tape, be provided with the tensile layer in the centre of first waterproof layer and second waterproof layer simultaneously, utilize the service strength of the multiplicable sticky tape of tensile layer, prevent that the too big sticky tape fracture of leading to of pulling force from influencing the normal use of sticky tape.

Drawings

FIG. 1 is a schematic structural diagram of a cellulose biodegradable tape;

FIG. 2 is a schematic structural diagram of a waterproof fixing layer in a cellulose biodegradable tape;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a biofilm in a cellulose biodegradation tape;

fig. 5 is a schematic structural diagram of a degradation fixing layer in the cellulose biodegradable adhesive tape.

In the figure: 1. fixing a sleeve; 2. a tape body; 3. a release film; 4. a first adhesive layer; 5. a waterproof fixed layer; 6. a biofilm; 7. a first adhesive; 8. degrading the fixed layer; 9. a second adhesive; 10. a waterproof base film; 11. a first waterproof layer; 12. a second adhesive layer; 13. a tensile layer; 14. a second waterproof layer; 15. a waterproof hole; 17. an electrostatically processed layer; 18. a non-silicon handle layer; 19. degrading the filling layer; 20. a first degradation layer; 21. and a second degradation layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the present invention, the cellulose biodegradable adhesive tape includes an adhesive tape main body 2, the adhesive tape main body 2 is wound around the exterior of the fixing sleeve 1, the adhesive tape main body 2 includes an outermost release film 3, a first adhesive layer 4 is adhered to a lower surface of the release film 3, the first adhesive layer 4 is a composite adhesive, a waterproof fixing layer 5 is disposed on a lower surface of the first adhesive layer 4, the waterproof fixing layer 5 includes a waterproof base film 10 adhered to a lower surface of the first adhesive layer 4, a first waterproof layer 11 is disposed on a lower surface of the waterproof base film 10, a tensile layer 13 is disposed on a lower surface of the first waterproof layer 11, a second adhesive layer 12 is coated on a lower surface of the tensile layer 13, a second waterproof layer 14 is adhered to a lower surface of the second adhesive layer 12, a waterproof hole 15 is formed on an upper surface of the first waterproof layer 11, the waterproof hole 15 is formed in a circular shape, and the waterproof hole 15 is at least provided with four rows at equal intervals on an upper surface of the first waterproof layer 11, the thickness of first waterproof layer 11 is the twice of second waterproof layer 14 thickness, and first waterproof layer 11 is the same with the material of second waterproof layer 14, the thickness of tensile layer 13 is the same with the thickness of second waterproof layer 14, through the setting of first waterproof layer 11 in waterproof fixed bed 5 with second waterproof layer 14, can the effectual water-proof effects who improves the sticky tape, be provided with tensile layer 13 in the centre of first waterproof layer 11 with second waterproof layer 14 simultaneously, utilize the use strength of tensile layer 13 multiplicable sticky tape, prevent that the too big sticky tape fracture that leads to of pulling force, influence the normal use of sticky tape.

In fig. 1, 4 and 5: a biological membrane 6 is arranged below the waterproof fixed layer 5, a static electricity treatment layer 17 and a non-silicon treatment layer 18 are respectively arranged on the lower surface of the biological membrane 6 from top to bottom, a first adhesive 7 is coated on the lower surface of the biological membrane 6, a degradation fixed layer 8 is arranged on the lower surface of the first adhesive 7, a second adhesive 9 is coated on the lower surface of the degradation fixed layer 8, the first adhesive 7 is an acrylic acid adhesive, the thicknesses of the first adhesive 7 and the second adhesive 9 are the same, the degradation fixed layer 8 comprises a degradation filling layer 19 adhered on the lower surface of the first adhesive 7, a first degradation layer 20 is arranged on the lower surface of the degradation filling layer 19, a second degradation layer 21 is arranged on the lower surface of the first degradation layer 20, the first degradation layer 20 and the second degradation layer 21 are the same in size and shape, the first degradation layer 20 is a polylactide material, the second degradation layer 21 is a modified starch material, the thickness of the degradation filling layer 19 is twice that of the first degradation layer 20, and the degradation filling layer 19 is filled with a mixed material of photolysis cellulose and biodegradable polyester, the single surface of the designed biomembrane 6 is treated by the static treatment layer 17 and the non-silicon treatment layer 18, so that the single surface of the biomembrane 6 has static electricity and adhesive force, thereby reaching the gluing standard and being convenient to use, the degradation speed of the adhesive tape can be improved by the arrangement of the first degradation layer 20 and the second degradation layer 21 in the degradation fixing layer 8, the product is naturally degraded in one hundred eighty days, and the product is nontoxic, tasteless, environment-friendly and safe, and can avoid polluting the environment.

The working principle of the invention is as follows: the adhesive tape main body 2 comprises a release film 3, a first adhesive layer 4, a waterproof fixed layer 5, a biological film 6, a first adhesive 7, a degradable fixed layer 8 and a second adhesive 9, wherein the single surface of the biological film 6 is treated by an electrostatic treatment layer 17 and a non-silicon treatment layer 18, so that the single surface of the biological film 6 has static electricity and adhesive force, thereby reaching the adhesive coating standard and being convenient to use, the release film 3 and the waterproof fixed layer 5 are adhered by the first adhesive layer 4, the waterproof fixed layer 5 comprises a waterproof base film 10, a first waterproof layer 11 and a second waterproof layer 14, the adhesive tape main body 2 can have good waterproof effect by the arrangement of the first waterproof layer 11 and the second waterproof layer 14, a tensile layer 13 is arranged between the first waterproof layer 11 and the second waterproof layer 14, the tensile layer 13 can increase the use strength of the adhesive tape and prevent the adhesive tape from being broken due to overlarge tension, influence the normal use of sticky tape, it has degradation fixed bed 8 to adhere to through first viscose 7 in the below of biomembrane 6, degradation fixed bed 8 is including degradation filling layer 19, first degradation layer 20 and second degradation layer 21, wherein first degradation layer 20 is the polylactide material, second degradation layer 21 is modified starch material, the inside packing of degradation filling layer 19 has photodissociation cellulose and biodegradable polyester combined material, thereby make the degradation function who improves sticky tape main part 2, thereby make the effect of degradation better, this product hundred eighty days natural degradation, and is nontoxic tasteless, environmental protection safety, can avoid causing the pollution to the environment.

To better illustrate the technical effect of the present invention, it is illustrated by the following tests:

the adhesive tape obtained by the invention is adopted in the embodiment;

comparative example one adhesive tape obtained from a low biodegradable adhesive tape (publication No. CN212476614U, publication No. 2021-02-05) disclosed in Chinese patent;

the second comparative example is an adhesive tape obtained by using a novel environment-friendly sterilization adhesive tape (publication number CN107815260A, publication date: 2018-03-20) disclosed in Chinese patent;

the experimental method is as follows:

taking the adhesive tapes of the embodiment, the comparative example I and the comparative example II, respectively carrying out tensile test, waterproof test and degradation test on the adhesive tapes, and recording the adhesive tapes together in the following table 1;

TABLE 1 surface properties, color and odor of the examples, comparative examples I and II

Name of item	Viscosity of	Tensile strength	Water resistance rating	Time of degradation
					Examples	15mm/h	10N	Special class	180 days
Comparative example 1	10mm/h	6N	First stage	200 days
					Comparative example No. two	11mm/h	7N	First stage	210 days

From table 1, it can be analyzed that: the single surface of the biological film 6 designed by the invention is treated by the electrostatic treatment layer 17 and the non-silicon treatment layer 8, so that the single surface of the biological film 6 has static electricity and adhesive force, thereby reaching the gluing standard and being convenient to use, the degradation speed of the adhesive tape main body 2 is high, the biological film can be naturally degraded in one hundred eighty days, is nontoxic and tasteless, is environment-friendly and safe, can avoid polluting the environment, the waterproof performance belongs to special waterproof, and meanwhile, the tensile property is good, so that the adhesive tape can be prevented from being broken due to overlarge tension force, and the normal use of the adhesive tape is influenced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Cellulose biodegradable adhesive tape, including sticky tape main part (2), its characterized in that, sticky tape main part (2) winding is in the outside of fixed cover (1), and sticky tape main part (2) are including outermost from type membrane (3), the lower surface from type membrane (3) is stained with first viscose layer (4), the lower surface of first viscose layer (4) is provided with waterproof fixed bed (5), the below of waterproof fixed bed (5) is provided with biomembrane (6), the lower surface of biomembrane (6) scribbles first viscose agent (7), the lower surface of first viscose agent (7) is provided with degradation fixed bed (8), the lower surface of degradation fixed bed (8) scribbles second viscose agent (9).

2. Cellulose biodegradable tape according to claim 1, characterized in that the lower surface of the biofilm (6) is provided with an electrostatic treatment layer (17) and a non-silicon treatment layer (18) from top to bottom, respectively.

3. The cellulose biodegradation tape according to claim 1, characterized in that the first adhesive layer (4) is a composite adhesive, the first adhesive (7) is an acrylic adhesive, and the first adhesive (7) and the second adhesive (9) have the same thickness.

4. The cellulose biodegradable tape according to claim 1, characterized in that the waterproof fixing layer (5) comprises a waterproof base film (10) adhered to the lower surface of the first adhesive layer (4), the lower surface of the waterproof base film (10) is provided with a first waterproof layer (11), the lower surface of the first waterproof layer (11) is provided with a tensile layer (13), the lower surface of the tensile layer (13) is coated with a second adhesive layer (12), and the lower surface of the second adhesive layer (12) is adhered with a second waterproof layer (14).

5. The cellulose biodegradation tape according to claim 4, characterized in that the upper surface of the first waterproof layer (11) is provided with waterproof holes (15).

6. The cellulose biodegradation tape according to claim 5, characterized in that the waterproof holes (15) are circular and four rows of waterproof holes (15) are provided on the upper surface of the first waterproof layer (11) at least at equal intervals.

7. The cellulose biodegradation tape according to claim 4, characterized in that the thickness of the first waterproof layer (11) is twice the thickness of the second waterproof layer (14), the materials of the first waterproof layer (11) and the second waterproof layer (14) are the same, and the thickness of the tensile layer (13) is the same as the thickness of the second waterproof layer (14).

8. The cellulose biodegradation tape according to claim 1, characterized in that the degradation fixing layer (8) comprises a degradation filling layer (19) adhered to the lower surface of the first adhesive (7), the lower surface of the degradation filling layer (19) is provided with a first degradation layer (20), and the lower surface of the first degradation layer (20) is provided with a second degradation layer (21).

9. Cellulose biodegradable tape according to claim 8, characterized in that said first (20) and second (21) degradation layers are of the same size and shape, and the first degradation layer (20) is a polylactide material and the second degradation layer (21) is a modified starch material.

10. The cellulose biodegradable tape according to claim 8, characterized in that the thickness of the degradation filling layer (19) is twice the thickness of the first degradation layer (20), and the inside of the degradation filling layer (19) is filled with the photolytic cellulose and biodegradable polyester mixed material.