CN204676029U - Novel pressure-sensitive adhesive tape - Google Patents
Novel pressure-sensitive adhesive tape Download PDFInfo
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- CN204676029U CN204676029U CN201520314834.XU CN201520314834U CN204676029U CN 204676029 U CN204676029 U CN 204676029U CN 201520314834 U CN201520314834 U CN 201520314834U CN 204676029 U CN204676029 U CN 204676029U
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Abstract
The utility model provides a kind of Novel pressure-sensitive adhesive tape, be made up of bilevel base material and the adhesive-layer be coated on base material, described base material comprises upper strata PET film and lower floor's PET film, described upper strata PET film is coated with parting agent layer overleaf, the front of upper strata PET film is coated with adhesive-layer, described lower floor's PET film is coated with adhesive-layer in front, the front of upper strata PET film is attached to the back side of lower floor's PET film, described adhesive-layer is polyacrylate pressure-sensitive layer, the utility model adopts the film composite structure of multilayer, while guarantee sealing tape thickness requirement, also ensure that had excellent flexibility, puncture resistance and electrical insulating property, adhesive-layer adopts the pressure sensitive adhesive with good electrolyte resistance performance, there will not be intermediate cracking and demixing phenomenon, and integral thickness is adjustable, require and processing requirement with the coupling of satisfied different automatic equipment, do not have warping phenomenon, strong adaptability, market outlook are huge.
Description
Technical field
The utility model belongs to the protection of new-energy automobile dynamic lithium battery and the auxiliary means of assembling, specifically refers to a kind ofly to have height and pierce through intensity, high-adhesive-strength, the corrosion of high electrolyte resistance and the Novel pressure-sensitive adhesive tape of high-flexibility.
Background technology
Existing lithium cell sealing tape mainly concentrates on the application of the 3C such as mobile phone, electronic component battery aspect, application on new-energy automobile dynamic lithium battery is also immature, and its major cause is: the requirement of automobile lithium battery to aspects such as the stabilities that puncture resistance, electrolyte resistance leakage, adhering and sealing, insulativity and high-low pressure discharge is all very high.
The Main of current sealing tape adopts dissimilar film (polypropylene PP film, polyester PET film and polyimide film) to be obtained by glue coating.In lithium battery applications, Problems existing is: if the film thickness of sealing tape is large, then the overall flexibility of sealing tape is inadequate, causes li-ion cell protection layer to produce the phenomenon warping and ftracture, affects the quality safety of product; If the film thickness of sealing tape is too thin, the insufficient strength of sealing tape can be caused again, being folded without breaking intensity, insulativity and withstand voltage properties are poor, and lithium cell product can be caused equally to occur a lot of potential safety hazard, and the cementability of sealing tape is poor, sealing property and endurance quality bad.
Summary of the invention
In order to solve new-energy automobile dynamic lithium battery procedure for producing and product performance to the high request of sealing tape over-all properties, high-flexibility and the good requirement of cutting resistance should be met, solve the feature of proof voltage insulativity this contradiction high again simultaneously, thus ensure that the safety applications of dynamic lithium battery in new-energy automobile field and automatic production.
For this reason, the technical solution adopted in the utility model is: a kind of Novel pressure-sensitive adhesive tape, is made up of bilevel base material and the adhesive-layer be coated on base material.Described base material comprises upper strata PET film and lower floor's PET film, described upper strata PET film is coated with parting agent layer overleaf, the front of upper strata PET film is coated with adhesive-layer, and described lower floor's PET film is coated with adhesive-layer in front, and the front of upper strata PET film is attached to the back side of lower floor's PET film.
Further step is: described adhesive-layer is polyacrylate pressure-sensitive layer, and the thickness of adhesive-layer is 2---40um.The technique that adhesive-layer adopts monomer distribution to drip, selects special reaction monomers to be prepared into the pressure sensitive adhesive of high molecular, makes it to possess adjustable clinging power, good initial bonding strength and outstanding electrolyte resistance performance.
Described parting agent layer thickness is 0.1---1um.
The thickness of described upper strata PET film is 5---40um
The thickness of described lower floor's PET film is 5---40um.
Preferably, the thickness of described adhesive-layer is 20um.
Preferably, the thickness of described parting agent layer is 0.5um.
Preferably, the thickness of described upper strata PET film is 20um.
Preferably, the thickness of described lower floor's PET film is 20um.
PET film, has another name called: high temperature resistance polyester film.It has excellent physicals, chemical property and dimensional stability, the transparency, returnability.By such design, the advantage that the utility model has is: structure innovation, simple and practical, with strong points, with low cost, cohesiveness and good airproof performance, actually promotes the convenience of Pressuresensitive Tape on new-energy automobile dynamic lithium battery uses.
The utility model adopts the film composite structure of multilayer, while guarantee sealing tape thickness requirement, also ensure that its excellent flexibility had, puncture resistance and electrical insulating property; The adhesive-layer that upper strata PET film and lower floor's PET film attach adopts the pressure sensitive adhesive with good electrolyte resistance performance, there will not be intermediate cracking and demixing phenomenon; And integral thickness is adjustable, require and processing requirement with the coupling of satisfied different automatic equipment, strong adaptability.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
In figure, 1, upper strata PET film, 2, lower floor's PET film, 3, parting agent layer, 4, adhesive-layer.
embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
As shown in Figure 1, the utility model adopts mode that is multi-layer coated and laminating, and its structure is made up of bilevel base material and the adhesive-layer be coated on base material.Described base material comprises upper strata PET film 1 and lower floor's PET film 2, described upper strata PET film 1 is coated with parting agent layer 3 overleaf, the front of upper strata PET film 1 is coated with adhesive-layer 4, the front of upper strata PET film 1 is corona treatment face, described lower floor's PET film 2 is coated with adhesive-layer 4 equally in front, the front of lower floor's PET film 2 is corona treatment face equally, and the front of upper strata PET film 1 is attached to the back side of lower floor's PET film 2.
Described adhesive-layer 4 is polyacrylate pressure-sensitive layer, and the thickness of adhesive-layer is 2---40um, preferred thickness is 20um.
Described parting agent layer 3 thickness is 0.1---1um, preferred thickness is 0.5um.
The thickness of described upper strata PET film 1 is 2---40um, preferred thickness is 20um.
The thickness of described lower floor's PET film 2 is 2---40um, preferred thickness is 20um.
Preparation method of the present utility model is simple, comprises the following steps:
The backsize parting agent layer of a, upper strata PET film, 80---the oven for baking of 120 DEG C 20 seconds, obtains the upper strata PET film through parting agent process;
The front pressure-sensitive adhesive coating water of b, upper strata PET film, forms adhesive-layer and 100---oven for baking 20 of 120 DEG C---40 seconds, obtains the upper strata PET film of complete process after dry rolling;
The front pressure-sensitive adhesive coating water of c, lower floor's PET film, forms adhesive-layer and---oven for baking 20 of 120 DEG C---4 seconds, send baking box after drying 100;
D, the laminating of the front of upper strata PET film is covered at the back side of lower floor's PET film, the Pressuresensitive Tape of a complete multilayered structure can be obtained.
The utility model is easily manufactured, adopt the structure of composite multi-layer, be not limited only two-layer membrane structure, such as, adopt the structure of three layers of compound, in addition, the thickness of film can have multiple change, the PET film of 25um thickness and the PET film of 15um thickness is such as adopted to fit, can with relatively low cost manufacture, sealing and good endurance, the situation in use not having warpage occurs, to improve suitability.
Claims (9)
1. a Novel pressure-sensitive adhesive tape, be made up of bilevel base material and the adhesive-layer be coated on base material, it is characterized in that: described base material comprises upper strata PET film and lower floor's PET film, described upper strata PET film is coated with parting agent layer overleaf, the front of upper strata PET film is coated with adhesive-layer, described lower floor's PET film is coated with adhesive-layer in front, and the front of upper strata PET film is attached to the back side of lower floor's PET film.
2. Novel pressure-sensitive adhesive tape according to claim 1, is characterized in that: described adhesive-layer is polyacrylate pressure-sensitive layer, and the thickness of adhesive-layer is 2---40um.
3. Novel pressure-sensitive adhesive tape according to claim 1, is characterized in that: described parting agent layer thickness is 0.1---1um.
4. Novel pressure-sensitive adhesive tape according to claim 1, is characterized in that: the thickness of described upper strata PET film is 5---40um.
5. Novel pressure-sensitive adhesive tape according to claim 1, is characterized in that: the thickness of described lower floor's PET film is 5---40um.
6. Novel pressure-sensitive adhesive tape according to claim 2, is characterized in that: the thickness of described adhesive-layer is 20um.
7. Novel pressure-sensitive adhesive tape according to claim 3, is characterized in that: the thickness of described parting agent layer is 0.5um.
8. Novel pressure-sensitive adhesive tape according to claim 4, is characterized in that: the thickness of described upper strata PET film is 20um.
9. Novel pressure-sensitive adhesive tape according to claim 5, is characterized in that: the thickness of described lower floor's PET film is 20um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520314834.XU CN204676029U (en) | 2015-05-17 | 2015-05-17 | Novel pressure-sensitive adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520314834.XU CN204676029U (en) | 2015-05-17 | 2015-05-17 | Novel pressure-sensitive adhesive tape |
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| Publication Number | Publication Date |
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| CN204676029U true CN204676029U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520314834.XU Active CN204676029U (en) | 2015-05-17 | 2015-05-17 | Novel pressure-sensitive adhesive tape |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751640A (en) * | 2016-03-11 | 2016-07-13 | 苏州斯迪克新材料科技股份有限公司 | PET (polyethylene terephthalate) film for new-energy vehicle lithium battery packs |
| CN105778804A (en) * | 2016-03-11 | 2016-07-20 | 苏州斯迪克新材料科技股份有限公司 | Preparation method for double-layer PET protective film for lithium battery pack |
| CN112571904A (en) * | 2019-09-27 | 2021-03-30 | 上海仰璞实业有限公司 | Black steel band |
-
2015
- 2015-05-17 CN CN201520314834.XU patent/CN204676029U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751640A (en) * | 2016-03-11 | 2016-07-13 | 苏州斯迪克新材料科技股份有限公司 | PET (polyethylene terephthalate) film for new-energy vehicle lithium battery packs |
| CN105778804A (en) * | 2016-03-11 | 2016-07-20 | 苏州斯迪克新材料科技股份有限公司 | Preparation method for double-layer PET protective film for lithium battery pack |
| CN105751640B (en) * | 2016-03-11 | 2018-03-06 | 江苏斯迪克新材料科技股份有限公司 | A kind of PET film for new-energy automobile lithium battery group |
| CN105778804B (en) * | 2016-03-11 | 2019-02-01 | 江苏斯迪克新材料科技股份有限公司 | A kind of preparation method of the double-layer PET protective film for lithium battery group |
| CN112571904A (en) * | 2019-09-27 | 2021-03-30 | 上海仰璞实业有限公司 | Black steel band |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 Room 102, No. 15, weiziling East Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN NANTAI MACROMOLECULE MATERIALS CO., LTD. Address before: 523000 Guangdong province Dongguan City Industrial Zone Qingxi Town at Hon Hai Xi Pu Industrial Park No. 3 Patentee before: DONGGUAN NANTAI MACROMOLECULE MATERIALS CO., LTD. |
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| CP02 | Change in the address of a patent holder |