CN214111836U

CN214111836U - Multifunctional PET release film

Info

Publication number: CN214111836U
Application number: CN202022316407.9U
Authority: CN
Inventors: 林正雷; 张启松; 张连占; 汪为利; 单祥年
Original assignee: Yancheng Zhengzhi New Material Co ltd
Current assignee: Yancheng Zhengzhi New Material Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-09-03
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a multi-functional PET release film, including PET release film main part, PET is provided with the PET substrate layer from inside of film main part, PET substrate layer both sides all are provided with the weaving layer, one side that the PET substrate layer was kept away from to the weaving layer is provided with the elastic layer, the elastic layer upper surface that is close to the PET substrate layer outside is provided with ventilative layer, one side that ventilative layer kept away from the elastic layer is provided with the inoxidizing coating, the elastic layer lower surface that is close to the PET substrate layer inboard is provided with heat-resistant layer, one side that elastic layer was kept away from to the heat-resistant layer is provided with from the type layer, ventilative in-layer portion runs through and is provided with the gas pocket; the multifunctional PET release film can achieve the purpose of increasing the toughness of the PET release film main body by arranging the woven layer; by arranging the elastic layer, the PET release film main body has good resilience and recovery performance when being bent, and wrinkles are not easy to appear; through setting up ventilative layer, can reach and make PET release film main part have the function of adjusting the gas tightness at will.

Description

Multifunctional PET release film

Technical Field

The utility model relates to a PET specifically is a multi-functional PET from type membrane technical field.

Background

The PET release film is a material prepared by coating the PET as a substrate with silicone oil, and the adhesion force of the surface of the PET film is reduced by coating the silicone oil, so the PET release film is also called as a PET silicone oil film and is characterized in that the PET release film has good adsorbability and adhesiveness, thereby being convenient for sealing and packaging; the PET release film is generally divided into a single-sided release film and a double-sided release film according to the release effect, and can be divided into a light release film, a medium release film and a heavy release film according to the release force; the PET release film is commonly used as a carrier for vacuum aluminizing and is used for producing aluminized paperboard, and besides, the PET release film is widely applied to the industrial fields of packaging, printing, laminating, medicine, die cutting and punching processing and the like.

The prior art has the following defects or problems:

1. the existing PET release film has good adsorbability and adhesiveness, but the function is single, so that the application range is limited, the air permeability requirement of a product is difficult to meet when a special product is packaged, but once the PET release film has air permeability, the sealing performance of the PET release film is difficult to ensure, and contradictions appear in function implementation;

2. the existing PET release film has the defects of limited strength, poor toughness, lower tension coefficient and weaker elasticity, so that the PET release film is easily folded to influence the laminating property of the PET release film.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional PET is from type membrane to the weak point of prior art to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional PET release film comprises a PET release film main body, a PET substrate layer is arranged inside the PET release film main body, weaving layers are arranged on two sides of the PET substrate layer, an elastic layer is arranged on one side of the weaving layer away from the PET substrate layer, a breathable layer is arranged on the upper surface of the elastic layer close to the outer side of the PET substrate layer, a protective layer is arranged on one side of the breathable layer, which is far away from the elastic layer, a heat-resistant layer is arranged on the lower surface of the elastic layer, which is close to the inner side of the PET substrate layer, a release layer is arranged on one side of the heat-resistant layer away from the elastic layer, air holes are arranged in the breathable layer in a penetrating way, a fixing strip is arranged inside the air permeable layer, a contraction ring is arranged outside the air hole, a transverse pulling strip is arranged inside the contraction ring in a penetrating way, longitudinal pulling strips are arranged on two sides of the contraction ring, marbles are arranged in the elastic layers, and elastic fiber fillers are arranged on two sides of each marbles.

As the utility model discloses an optimal technical scheme, the inside polyester fiber strip that is equipped with of weaving layer, polyester fiber strip quantity is a plurality of groups, is the alternative arrangement of weaving, the polyester fiber strip is woven in turn and is formed the weaving layer, weaving layer quantity is two sets of, and relative PET substrate layer symmetry is arranged.

As the utility model discloses an optimized technical scheme, the elastic layer surface is the wave, elastic layer surface forms crest and trough, elastic layer quantity is two sets of, and relative PET substrate layer symmetry is arranged, elastic in situ portion comprises marble and elastic fiber filler alternating arrangement.

As the utility model discloses an optimized technical scheme, ventilative layer sets up in the outside on upper end elastic layer, ventilative in situ portion runs through and is equipped with the gas pocket, gas pocket quantity is a plurality of groups, is the equidistance and arranges, ventilative layer communicates with each other through gas pocket and outside air, the gas pocket both sides are equipped with the polyester fiber strip, the polyester fiber strip is woven with horizontal pull strip, vertical pull strip respectively in turn.

As the utility model discloses a preferred technical scheme, the gas pocket outside is located to the shrink ring, the inside cavity of shrink ring, horizontal pull strip runs through the shrink ring, shrink ring quantity is a plurality of groups, through horizontal pull strip UNICOM between the shrink ring.

As the utility model discloses a preferred technical scheme, shrink circle both sides are equipped with vertical pull strip, vertical pull strip one end and shrink circle outer wall fixed connection, vertical pull strip other end and fixed strip fixed connection.

As the utility model discloses an optimal technical scheme, the marble is in elastic layer inside trough lower extreme, the marble is oval, marble quantity is a plurality of groups, is the equidistance and arranges, the marble both ends all with elastic fiber filler fixed connection.

Compared with the prior art, the utility model provides a multi-functional PET is from type membrane possesses following beneficial effect:

1. according to the multifunctional PET release film, the woven layers are arranged on the two sides of the PET substrate layer, and the polyester fiber strips in the woven layers are alternately woven, so that the tension coefficient of the woven layers is increased, and the toughness of the PET release film main body is better;

2. according to the multifunctional PET release film, the elastic layer is arranged, and the elastic balls and the elastic fiber fillers in the elastic layer are alternately arranged, so that the elastic layer has high resilience, the elasticity of the PET release film main body is increased, and the elastic balls are fixed at the surface wave troughs of the elastic layer, so that the PET release film main body has good resilience and resilience performance when being bent, and wrinkles are not easy to appear;

3. this multi-functional PET is from type membrane, through setting up ventilative layer, utilize horizontal pull strip to run through the shrink ring, when ventilative layer receives horizontal pulling force, horizontal pull strip both ends extension for the shrink ring shrink, thereby close the gas pocket, realize PET from the leakproofness of type membrane main part, when ventilative layer receives vertical pulling force again, vertical pull strip extension and pulling shrink ring expand, thereby open the gas pocket, realize PET from the gas permeability of type membrane main part, make PET have the function of adjusting the gas tightness at will from type membrane main part.

Drawings

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

FIG. 2 is a schematic view of the structure and appearance of the present invention;

FIG. 3 is a schematic top view of the air permeable layer of the present invention;

fig. 4 is the structural diagram of the elastic layer of the present invention.

In the figure: 1. a PET release film main body; 2. a PET substrate layer; 3. weaving layer; 4. an elastic layer; 5. a breathable layer; 6. a protective layer; 7. a heat-resistant layer; 8. a release layer; 9. air holes; 10. a fixing strip; 11. a contraction ring; 12. a transverse bracing wire; 13. a longitudinal draw-off strip; 14. a marble; 15. an elastomeric fibrous filler.

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. 1-4, in this embodiment: a multifunctional PET release film comprises a PET release film main body 1, a PET substrate layer 2 is arranged inside the PET release film main body 1, two sides of the PET substrate layer 2 are respectively provided with a braided layer 3, one side of the braided layer 3, which is far away from the PET substrate layer 2, is provided with an elastic layer 4, the upper surface of the elastic layer 4, which is close to the outer side of the PET substrate layer 2, is provided with a breathable layer 5, one side of the breathable layer 5, which is far away from the elastic layer 4, is provided with a protective layer 6, the lower surface of the elastic layer 4, which is close to the inner side of the PET substrate layer 2, is provided with a heat-resistant layer 7, one side of the heat-resistant layer 7, which is far away from the elastic layer 4, is provided with an air hole 9 in the breathable layer 5, a fixing strip 10 is arranged inside the breathable layer 5, the outer side of the air hole 9 is provided with a contraction ring 11, a transverse pulling strip 12 is arranged in the contraction ring 11 in a penetrating manner, longitudinal pulling strips 13 are arranged on two sides of the contraction ring 11, and an elastic ball 14 is arranged inside the elastic layer 4, elastic fiber fillers 15 are arranged on both sides of the marble 14.

In the embodiment, the polyester fiber strips are arranged in the braided layer 3, the number of the polyester fiber strips is a plurality of groups, the polyester fiber strips are arranged in an alternate braiding mode and are used for increasing the tensile force of the braided layer 3, the polyester fiber strips are alternately braided to form the braided layer 3, the number of the braided layer 3 is two groups, the two groups of braided layers are symmetrically arranged relative to the PET substrate layer 2 and are used for enhancing the tensile force coefficient of the PET release film main body 1, and the PET release film main body 1 is better in toughness; the surface of the elastic layer 4 is wavy, wave crests and wave troughs are formed on the surface of the elastic layer 4 and are used for enhancing the elasticity of the PET release film main body 1, the number of the elastic layers 4 is two, the elastic layers are symmetrically distributed relative to the PET substrate layer 2, elastic balls 14 and elastic fiber fillers 15 are alternately arranged in the elastic layer 4, and the elasticity of the PET release film main body 1 is greatly enhanced by utilizing the elastic balls 14 and the elastic fiber fillers 15; the breathable layer 5 is arranged on the outer side of the elastic layer 4 at the upper end, air holes 9 are formed in the breathable layer 5 in a penetrating mode and used for ventilation inside the PET release film main body 1, the air holes 9 are arranged in a plurality of groups in an equidistant mode, the breathable layer 5 is communicated with the outside air through the air holes 9, polyester fiber strips are arranged on two sides of each air hole 9 and are respectively woven with the transverse pulling strips 12 and the longitudinal pulling strips 13 in an alternating mode, and the transverse pulling strips 12 and the longitudinal pulling strips 13 can be pulled to stretch and retract conveniently; the contraction rings 11 are arranged on the outer sides of the air holes 9, the contraction rings 11 are hollow, transverse pulling strips 12 can be conveniently inserted into the contraction rings 11, the transverse pulling strips 12 penetrate through the contraction rings 11 and are used for closing or opening the air holes 9, the contraction rings 11 are in a plurality of groups, the contraction rings 11 are communicated through the transverse pulling strips 12, and the transverse pulling strips 12 are stretched to enable the air holes 9 to be closed simultaneously; longitudinal drawing strips 13 are arranged on two sides of the contraction ring 11 and used for opening the air holes 9, one ends of the longitudinal drawing strips 13 are fixedly connected with the outer wall of the contraction ring 11, the contraction ring 11 is driven to be opened by utilizing the extension and contraction of the longitudinal drawing strips 13, and the other ends of the longitudinal drawing strips 13 are fixedly connected with the fixing strips 10 and used for fixing the transverse drawing strips 12; marble 14 is located the inside trough lower extreme of elastic layer 4, and the elasticity of reinforcing elastic layer 4 just reduces PET and appears the fold from type membrane main part 1, and marble 14 is oval, and marble 14 quantity is a plurality of groups, is the equidistance and arranges, and 14 both ends of marble all with 15 fixed connection of elastic fiber filler, reinforcing elastic layer 4's elasticity.

The utility model discloses a theory of operation and use flow: when the PET release film main body 1 is used, the polyester fiber strips inside the woven layers 3 are alternately woven, so that the tension coefficient of the woven layers 3 is increased, the toughness of the PET release film main body 1 is better, the elasticity of the PET release film main body 1 is increased through the elastic layers 4, the elastic balls 14 and the elastic fiber fillers 15 are alternately arranged, the elastic layers 4 have higher resilience, the elastic balls 14 are fixed at the wave troughs on the surface of the elastic layers 4, the PET release film main body 1 has good resilience and resilience when being bent, wrinkles are not easy to appear, the air tightness adjustment of the PET release film main body 1 is realized by utilizing the air permeable layers 5, when the air permeable layers 5 are subjected to transverse tension, the two ends of the transverse pulling strips 12 are extended, so that the contraction rings 11 are contracted, the air holes 9 are closed, the sealing performance of the PET release film main body 1 is realized, when the air permeable layers 5 are subjected to longitudinal tension, the longitudinal pulling strips 13 are extended and pull the contraction rings 11 to be unfolded, thereby open gas pocket 9, realize PET from the gas permeability of type membrane main part 1, make PET have the function of adjusting the gas tightness at will from type membrane main part 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional PET is from type membrane which characterized in that: the PET release film comprises a PET release film main body (1), a PET substrate layer (2) is arranged inside the PET release film main body (1), weaving layers (3) are arranged on two sides of the PET substrate layer (2), an elastic layer (4) is arranged on one side, far away from the PET substrate layer (2), of each weaving layer (3), a breathable layer (5) is arranged on the upper surface of the elastic layer (4) close to the outer side of the PET substrate layer (2), a protective layer (6) is arranged on one side, far away from the elastic layer (4), of each breathable layer (5), a heat-resistant layer (7) is arranged on the lower surface of the elastic layer (4) close to the inner side of the PET substrate layer (2), a release layer (8) is arranged on one side, far away from the elastic layer (4), an air hole (9) is arranged in each breathable layer (5) in a penetrating mode, a fixing strip (10) is arranged inside each breathable layer (5), a contraction ring (11) is arranged on the outer side of each air hole (9), the elastic layer is characterized in that transverse pulling strips (12) penetrate through the inside of the contraction ring (11), longitudinal pulling strips (13) are arranged on two sides of the contraction ring (11), an elastic ball (14) is arranged inside the elastic layer (4), and elastic fiber fillers (15) are arranged on two sides of the elastic ball (14).

2. The multifunctional PET release film according to claim 1, characterized in that: the PET woven fabric is characterized in that polyester fiber strips are arranged inside the woven layer (3), the number of the polyester fiber strips is a plurality of groups, the polyester fiber strips are arranged in an alternate weaving mode, the polyester fiber strips are alternately woven to form the woven layer (3), the number of the woven layer (3) is two, and the woven layer are symmetrically arranged relative to the PET base material layer (2).

3. The multifunctional PET release film according to claim 1, characterized in that: the surface of the elastic layer (4) is wavy, peaks and troughs are formed on the surface of the elastic layer (4), the number of the elastic layers (4) is two, the elastic layers are symmetrically arranged relative to the PET substrate layer (2), and elastic balls (14) and elastic fiber fillers (15) are alternately arranged inside the elastic layer (4).

4. The multifunctional PET release film according to claim 1, characterized in that: the breathable layer (5) is arranged on the outer side of the upper elastic layer (4), air holes (9) are formed in the breathable layer (5) in a penetrating mode, the number of the air holes (9) is a plurality of groups and are distributed in an equidistant mode, the breathable layer (5) is communicated with the outside air through the air holes (9), polyester fiber strips are arranged on two sides of each air hole (9), and the polyester fiber strips are alternately woven with the transverse pulling strips (12) and the longitudinal pulling strips (13) respectively.

5. The multifunctional PET release film according to claim 1, characterized in that: the air hole (9) is arranged on the outer side of the contraction ring (11), the contraction ring (11) is hollow, the transverse drawing strips (12) penetrate through the contraction ring (11), the number of the contraction ring (11) is a plurality of groups, and the contraction ring (11) is communicated with one another through the transverse drawing strips (12).

6. The multifunctional PET release film according to claim 1, characterized in that: the two sides of the shrink ring (11) are provided with longitudinal pulling strips (13), one ends of the longitudinal pulling strips (13) are fixedly connected with the outer wall of the shrink ring (11), and the other ends of the longitudinal pulling strips (13) are fixedly connected with the fixing strips (10).

7. The multifunctional PET release film according to claim 1, characterized in that: marble (14) are in the inside trough lower extreme of elastic layer (4), marble (14) are oval, marble (14) quantity is a plurality of groups, is the equidistance and arranges, marble (14) both ends all with elastic fiber filler (15) fixed connection.