CN214266930U - Bidirectional-lifting polypropylene synthetic paper - Google Patents

Abstract

The utility model discloses a but polypropylene synthetic paper that two-way drawing was risen, including spool and main part, be provided with the spool in the main part, the main part includes paper surface layer, sandwich layer and corona layer, and paper surface layer bottom links to each other with the sandwich layer upper end, and the sandwich layer bottom links to each other with corona layer upper end. This but polypropylene synthetic paper that two-way pulling was risen, the paper surface layer, the surface of laminating each other between sandwich layer and the corona layer all has coarse structure, coarse structure constitutes for many parallel to each other's convex stripe, can make the paper surface layer, the connection between sandwich layer and the corona layer is inseparabler, let the main part have good horizontal, vertical pulling performance, outer pearly-lustre rete, middle pearly-lustre rete and lining pearly-lustre rete surface all are scribbled inorganic filler, form a plurality of micropore after inorganic filler scribbles, the micropore can make the main part keep toughness when pulling to rise, make the main part more stable, the antistatic agent effect is when the main part is pulled to rise, the inside antistatic agent molecule of material will constantly move to the surface again, make defective position can resume.

Description

Bidirectional-lifting polypropylene synthetic paper

Technical Field

The utility model relates to a polypropylene synthetic paper technical field that can two-wayly draw and rise, specifically is a polypropylene synthetic paper that can two-wayly draw and rise.

Background

Polypropylene, PP for short, is a colorless, odorless, nontoxic and semitransparent solid substance. Polypropylene is a thermoplastic synthetic resin with excellent performance, and is colorless translucent thermoplastic light general-purpose plastic. The polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high-wear-resistance processing property and the like, so that the polypropylene can be rapidly and widely developed and applied in a plurality of fields such as machinery, automobiles, electronic and electric appliances, buildings, textiles, packaging, agriculture, forestry, fishery, food industry and the like since the coming out. In recent years, with the rapid development of the industries such as packaging, electronics, automobiles and the like in China, the development of the industries in China is greatly promoted. And because of its plasticity, polypropylene materials are gradually replacing wooden products, and the mechanical functions of metals have been gradually replaced by high strength toughness and high wear resistance. In addition, polypropylene has good grafting and compounding functions, and has huge application space in the aspects of concrete, textile, packaging, agriculture, forestry and fishery, and the stretched polypropylene film BOPP is generally a multilayer common film and is prepared by co-extruding polypropylene particles to form a sheet and stretching the sheet in the longitudinal direction and the transverse direction. Because of the stretching molecular orientation, the film has good physical stability, mechanical strength and air tightness, high transparency and glossiness, toughness and wear resistance, and is the most widely used printing film at present.

The existing polypropylene finished paper has poor tensile property and weak toughness, and the surface defect of the finished paper can not be well recovered in the tensile process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can two-wayly draw polypropylene synthetic paper who rises, the paper surface layer, the surface of laminating each other between sandwich layer and the corona layer all has coarse structure, coarse structure constitutes for many the striae that are parallel to each other, can make the paper surface layer, connection between sandwich layer and the corona layer is inseparabler, let the main part have good transversely, vertically draw the performance, toughness has also been increased, middle pearly-lustre rete and nexine pearly-lustre rete surface all are scribbled inorganic filler, inorganic filler forms a plurality of micropore after scribbling, the micropore can make the main part keep toughness when drawing the rise, make the main part more stable, the antistatic agent effect is when the main part draws the rise, the inside antistatic agent molecule of material can constantly move to the surface again, make defective position resume, demonstrate antistatic effect again, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a but polypropylene synthetic paper of two-way lift, includes spool and main part, be provided with the spool in the main part, the main part includes paper surface layer, sandwich layer and corona layer, the paper surface layer bottom links to each other with the sandwich layer upper end, the sandwich layer bottom links to each other with the corona layer upper end, the paper surface layer includes outer pearly-lustre rete, middle pearly-lustre rete and nexine pearly-lustre rete, outer pearly-lustre rete bottom links to each other with middle pearly-lustre rete upper end, middle pearly-lustre rete bottom links to each other with nexine pearly-lustre rete upper end, the sandwich layer includes first bond line, first polypropylene layer, second bond line and second polypropylene layer, first bond line bottom links to each other with first polypropylene layer upper end, first polypropylene layer bottom links to each other with second bond line upper end.

Preferably, the main body is wrapped on the outer wall of the reel in a winding mode.

Preferably, the surfaces of the paper surface layer, the core layer and the corona layer, which are mutually attached, are all provided with rough structures, and the rough structures are formed by a plurality of parallel convex stripes.

Preferably, the bottom end of the second adhesive layer is connected to the upper end of the second polypropylene layer.

Preferably, the surfaces of the external pearl film layer, the middle pearl film layer and the internal pearl film layer are all coated with inorganic fillers, and a plurality of micropores are formed after the inorganic fillers are coated.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this but polypropylene synthetic paper that two-way pulling is risen, the paper surface layer, the surface of laminating each other between sandwich layer and the corona layer all has coarse structure, coarse structure constitutes for many parallel to each other's convex stripe, can make the paper surface layer, the connection between sandwich layer and the corona layer is inseparabler, let the main part have good horizontal, vertical pulling up performance, toughness has also been increased, moreover, the steam generator is simple in structure, outer pearly-lustre rete, middle pearly-lustre rete and interior pearly-lustre rete surface all are coated with inorganic filler, form a plurality of micropore after inorganic filler is coated, the micropore can make the main part keep toughness when pulling up, make the main part more stable, the antistatic agent effect is when the main part is pulled up, the inside antistatic agent molecule of material can constantly migrate to the surface again, make defective part resume, demonstrate antistatic effect again.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a main sectional view of the present invention;

FIG. 4 is a cross-sectional view of the paper surface layer of the present invention;

fig. 5 is a cross-sectional view of the core layer of the present invention.

In the figure: 1. a reel; 2. a main body; 21. a paper surface layer; 211. an outer pearlescent film layer; 212. a middle pearlescent film layer; 213. the inner pearlescent film layer; 22. a core layer; 221. a first adhesive layer; 222. a first polypropylene layer; 223. a second adhesive layer; 224. a second polypropylene layer; 23. and (4) a corona layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a polypropylene synthetic paper capable of being pulled up in two directions, includes a reel 1 and a main body 2, the main body 2 is provided with the reel 1 therein, the main body 2 is wrapped on the outer wall of the reel 1 in a winding manner, the main body 2 includes a paper surface layer 21, a core layer 22 and a corona layer 23, the surfaces of the paper surface layer 21, the core layer 22 and the corona layer 23, which are attached to each other, are provided with rough structures, the rough structures are formed by a plurality of parallel convex stripes, so that the connection among the paper surface layer 21, the core layer 22 and the corona layer 23 can be more compact, the main body 2 has good transverse and longitudinal pulling up performance, and also has increased toughness, the structure is simple, the corona layer 23 includes titanium dioxide, an antistatic agent and an ultraviolet absorbent, the bottom end of the paper surface layer 21 is connected with the upper end of the core layer 22, the bottom end of the core layer 22 is connected with the upper end of the corona layer 23, the paper surface layer 21 includes an outer pearlescent film layer 211, a middle pearlescent film layer 212 and an inner pearlescent film layer 213, the surfaces of the outer pearl film layer 211, the middle pearl film layer 212 and the inner pearl film layer 213 are all coated with inorganic fillers, a plurality of micropores are formed after the inorganic fillers are coated, the micropores can ensure that the main body 2 keeps toughness when being pulled up, so that the main body 2 is more stable, the bottom end of the outer pearl film layer 211 is connected with the upper end of the middle pearl film layer 212, the bottom end of the middle pearl film layer 212 is connected with the upper end of the inner pearl film layer 213, the core layer 22 comprises a first bonding layer 221, a first polypropylene layer 222, a second bonding layer 223 and a second polypropylene layer 224, the first polypropylene layer 222 and the second polypropylene layer 224 comprise antistatic agents and carbonic acid, the bottom end of the first bonding layer 221 is connected with the upper end of the first polypropylene layer 222, the bottom end of the first polypropylene layer 222 is connected with the upper end of the second bonding layer 223, the bottom end of the second bonding layer 223 is connected with the upper end of the second polypropylene layer 224, the antistatic agents in the first polypropylene layer 222, the second polypropylene layer 224 and the corona layer 23 adopt COLAT N-103, the antistatic agent has the effect that when the main body 2 is pulled up, molecules of the antistatic agent in the material continuously migrate to the surface, so that the defect part is recovered, and the antistatic effect is displayed again.

In summary, the surfaces of the bi-directional drawable polypropylene synthetic paper, which are adhered to each other, of the paper surface layer 21, the core layer 22 and the corona layer 23 have rough structures, the rough structures are formed by a plurality of parallel convex stripes, can make the connection between paper surface course 21, sandwich layer 22 and corona layer 23 inseparabler, let main part 2 have good horizontal, vertical drawing and rising performance, also increased toughness, simple structure, outer pearlized membrane layer 211, middle pearlized membrane layer 212 and lining pearlized membrane layer 213 surface all are coated with inorganic filler, form a plurality of micropore after inorganic filler is coated, the micropore can make main part 2 keep toughness when drawing and rising, make main part 2 more stable, the antistatic agent effect is when main part 2 draws and rises, the antistatic agent molecules in the material continuously migrate to the surface, so that the defect part is recovered, and the antistatic effect is displayed again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A polypropylene synthetic paper capable of being pulled up bidirectionally, which comprises a reel (1) and a main body (2), and is characterized in that: be provided with spool (1) in main part (2), main part (2) include paper side layer (21), sandwich layer (22) and corona layer (23), paper side layer (21) bottom links to each other with sandwich layer (22) upper end, sandwich layer (22) bottom links to each other with corona layer (23) upper end, paper side layer (21) include outer pearly-lustre rete (211), middle pearly-lustre rete (212) and nexine pearly-lustre rete (213), outer pearly-lustre rete (211) bottom links to each other with middle pearly-lustre rete (212) upper end, middle pearly-lustre rete (212) bottom links to each other with nexine pearly-lustre rete (213) upper end, sandwich layer (22) include first bonding layer (221), first polypropylene layer (222), second bonding layer (223) and second polypropylene layer (224), first bonding layer (221) bottom links to each other with first polypropylene layer (222) upper end.

2. The biaxially stretchable polypropylene synthetic paper according to claim 1, wherein: the main body (2) is wrapped on the outer wall of the reel (1) in a winding mode.

3. The biaxially stretchable polypropylene synthetic paper according to claim 1, wherein: the surface of laminating each other between paper surface layer (21), sandwich layer (22) and corona layer (23) all has coarse structure, and coarse structure constitutes for many parallel convex stripes each other.

4. The biaxially stretchable polypropylene synthetic paper according to claim 1, wherein: the bottom end of the first polypropylene layer (222) is connected with the upper end of the second adhesive layer (223), and the bottom end of the second adhesive layer (223) is connected with the upper end of the second polypropylene layer (224).

5. The biaxially stretchable polypropylene synthetic paper according to claim 1, wherein: the surfaces of the outer pearlescent film layer (211), the middle pearlescent film layer (212) and the inner pearlescent film layer (213) are all coated with inorganic fillers, and a plurality of micropores are formed after the inorganic fillers are coated.

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