CN102849335B - Composite aluminum foil packing material of pearl wool - Google Patents
Composite aluminum foil packing material of pearl wool Download PDFInfo
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- CN102849335B CN102849335B CN201210313739.9A CN201210313739A CN102849335B CN 102849335 B CN102849335 B CN 102849335B CN 201210313739 A CN201210313739 A CN 201210313739A CN 102849335 B CN102849335 B CN 102849335B
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- aluminum foil
- polyethylene foam
- expanded polyethylene
- pearl wool
- aluminium foil
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Abstract
The invention discloses a composite aluminum foil packing material of pearl wool. The composite aluminum foil packing material of pearl wool is prepared by curtain-coating and compounding a coating layer formed by pearl wool and an aluminum foil cast with a thickness of 15-40mum under temperatures 240 DEG C, 260 DEG C and 280 DEG C. An upper layer is the aluminum foil and a lower layer is the pearl wool. A coating material of the coating layer is a mixture of an adhesive and low-density polyethylene resin particles. The coating layer contains 30-45wt% of low-density polyethylene resin particles. The price of the low-density polyethylene resin particle is lower than that of the adhesive, so that the production cost of the composite aluminum foil packing material is reduced while the compound quality of the pearl wool and the aluminum foil is ensured.
Description
Technical field
The invention belongs to field of packaging material, relate to a kind of compound package material, be specifically related to a kind of expanded polyethylene foam clad aluminum foil packing.
Background technology
EPE expanded polyethylene foam is a kind of packing of novel environment friendly, produces countless separated foams form by Low Density Polyethylene through physical blowing.Overcome common foamed glue frangible, distortion, the shortcoming that recovery is poor, there is water proof protection against the tide, shockproof, sound insulation, insulation, plasticity is good, toughness is strong, reconstituted circularly, environmental protection, the plurality of advantages such as crashworthiness power is strong, also there is good chemical resistance, it is the ideal substitute of Traditional Packing material, be widely used in electronic apparatus, instrument and meter, computer, sound equipment, medicine equipment, industry control cabinet, hardware and lamp decoration, workmanship, glass, pottery, household electrical appliances, spraying, furniture family property, the high-grade frangible gift wrap such as drinks and resin, hardware, toy, melon and fruit, the inner packing of leather shoes, the packing of the multiple products such as daily necessities.
Aluminium foil, because of its good characteristic, is widely used in the fields such as food, beverage, cigarette, medicine, photographic plate, family daily necessity, is typically used as packing.Oxidizable and the colour-darkening of aluminium foil itself, friction, touch etc. all can be faded, and are not therefore suitable for the thermoprint of Front cover of book and periodical of permanent preservation etc.
Single expanded polyethylene foam and aluminium foil have all limited field of application separately, can be by the two compound use, but in aluminium foil and the compound process of expanded polyethylene foam curtain coating, need to use the coating materials such as adhesion agent, because the price of adhesion agent is higher, make the cost of expanded polyethylene foam clad aluminum foil packing relatively high.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention is not losing on the basis of its performance, and the expanded polyethylene foam clad aluminum foil packing that a kind of cost is relatively cheap are provided.
Expanded polyethylene foam clad aluminum foil packing of the present invention are that the aluminium foil of 15～40 microns is composited through coat curtain coating at 240 ℃, 260 ℃, 280 ℃ by expanded polyethylene foam and thickness, upper strata is aluminium foil, lower floor is expanded polyethylene foam, the coating material of described coat is the compound of adhesion agent and ldpe resin particle, the ldpe resin particle that described coat contains 30～45wt%.
Further can also be in the lower floor of expanded polyethylene foam again through the compound one deck aluminium foil of coat coating material curtain coating.
Preferably 25～35 microns of described aluminium foil layer thickness.
Because the price of ldpe resin particle is lower than adhesion agent, expanded polyethylene foam clad aluminum foil packing of the present invention have reduced productive costs in the composite quality that has guaranteed expanded polyethylene foam and aluminium foil.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of one side expanded polyethylene foam clad aluminum foil packing of the present invention;
Accompanying drawing 2 is the structural representation of two-sided expanded polyethylene foam clad aluminum foil packing of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, expanded polyethylene foam clad aluminum foil packing of the present invention are described in detail; thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
With reference to accompanying drawing 1, one side expanded polyethylene foam clad aluminum foil packing of the present invention by aluminium foil 1 and expanded polyethylene foam 2 through coat coating material at 240 ℃, 260 ℃, at 280 ℃, curtain coating is composited, upper strata is aluminium foil, lower floor is expanded polyethylene foam, with reference to accompanying drawing 2, two-sided expanded polyethylene foam clad aluminum foil packing of the present invention are by the first aluminium foil 1, expanded polyethylene foam 2 and the second aluminium foil 3 through coat coating material at 240 ℃, 260 ℃, at 280 ℃, curtain coating is composited, upper strata is aluminium foil, interlayer is expanded polyethylene foam, lower floor is aluminium foil, the coating material adopting is the compound of adhesion agent and ldpe resin particle, it is compound that the two is easy to curtain coating under liquid state, select the coating material of different mixing proportion and the aluminium foil layer of different-thickness to carry out contrast test.
Formed as coat by the adhesion agent of 70wt% and the ldpe resin mix particles of 30wt%, by expanded polyethylene foam and aluminium foil, curtain coating at 240 ℃ is composited, and aluminium film thickness is 15 microns.
Embodiment 2
Formed as coat by the adhesion agent of 55wt% and the ldpe resin mix particles of 45wt%, by expanded polyethylene foam and aluminium foil, curtain coating at 260 ℃ is composited, and aluminium film thickness is 30 microns.
Formed as coat by the adhesion agent of 60wt% and the ldpe resin mix particles of 40wt%, by expanded polyethylene foam and aluminium foil, curtain coating at 280 ℃ is composited, and aluminium film thickness is 40 microns.
Embodiment 4
Formed as coat by the adhesion agent of 60wt% and the ldpe resin mix particles of 40wt%, by expanded polyethylene foam and aluminium foil, curtain coating at 260 ℃ is composited, and aluminium film thickness is 25 microns.
Embodiment 5
Formed as coat by the adhesion agent of 60wt% and the ldpe resin mix particles of 40wt%, by expanded polyethylene foam and aluminium foil, curtain coating at 260 ℃ is composited, and aluminium film thickness is 35 microns.
Embodiment 6
Formed as coat by the adhesion agent of 60wt% and the ldpe resin mix particles of 40wt%, by expanded polyethylene foam and aluminium foil, curtain coating at 260 ℃ is composited, and aluminium film thickness is 30 microns.
After tested, 15～40 microns, especially the aluminium foil of 25～35 microns can guarantee the due functional effect of aluminium foil, add the composite quality that price lower ldpe resin particle does not lose expanded polyethylene foam and aluminium foil, reduced to a certain extent the overall cost of expanded polyethylene foam clad aluminum foil packing.
Above-described embodiment does not limit the present invention in any way, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection scope of the present invention.
Claims (3)
1. expanded polyethylene foam clad aluminum foil packing, the upper strata aluminium foil (1) and the lower floor's expanded polyethylene foam (2) that are 15～40 microns by thickness are composited through coating material curtain coating at 240 ℃, 260 ℃, 280 ℃, it is characterized in that: described coating material is the compound of adhesion agent and ldpe resin particle the ldpe resin particle that described coating material contains 30～45wt%.
2. expanded polyethylene foam clad aluminum foil packing according to claim 1, is characterized in that: in the lower floor of expanded polyethylene foam (2) again through the compound one deck aluminium foil of described coating material curtain coating (3).
3. expanded polyethylene foam clad aluminum foil packing according to claim 1 and 2, is characterized in that: described aluminum foil thickness is 25～35 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210313739.9A CN102849335B (en) | 2012-08-30 | 2012-08-30 | Composite aluminum foil packing material of pearl wool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210313739.9A CN102849335B (en) | 2012-08-30 | 2012-08-30 | Composite aluminum foil packing material of pearl wool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102849335A CN102849335A (en) | 2013-01-02 |
| CN102849335B true CN102849335B (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210313739.9A Active CN102849335B (en) | 2012-08-30 | 2012-08-30 | Composite aluminum foil packing material of pearl wool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102849335B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827726A (en) * | 2015-05-08 | 2015-08-12 | 洪泽民 | Expandable polyethylene (EPE) and aluminium foil compound packing material |
| CN105500830A (en) * | 2015-12-01 | 2016-04-20 | 太仓清宇特种塑料有限公司 | Double-side composite thermal insulation material for ice bag |
| CN114643764A (en) * | 2022-03-25 | 2022-06-21 | 杭州鑫发现材料科技有限公司 | Novel pearl wool composite aluminum foil packaging material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201203288Y (en) * | 2007-10-29 | 2009-03-04 | 宋钊 | Double-layer heat preservation water tank of solar water heater |
| MX2009002244A (en) * | 2009-02-27 | 2010-08-27 | Laminados Facarlyte S A De C V | Guarantee seal with pull-tab for containers and a method of manufacture. |
-
2012
- 2012-08-30 CN CN201210313739.9A patent/CN102849335B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201203288Y (en) * | 2007-10-29 | 2009-03-04 | 宋钊 | Double-layer heat preservation water tank of solar water heater |
| MX2009002244A (en) * | 2009-02-27 | 2010-08-27 | Laminados Facarlyte S A De C V | Guarantee seal with pull-tab for containers and a method of manufacture. |
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| Publication number | Publication date |
|---|---|
| CN102849335A (en) | 2013-01-02 |
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Effective date of registration: 20160405 Address after: 201401, No. 999, Ring North Road, fourth, Shanghai, Fengxian District Patentee after: Connaught packaging (Shanghai) Limited by Share Ltd Address before: Two South Gate Road 215431 Jiangsu city of Suzhou province Taicang City Liuhe Town South Gate Industrial Zone No. 9 Patentee before: Suzhou Jiuding EPE Co.,Ltd. |
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Effective date of registration: 20191211 Address after: 361113, 188, Xinmin Avenue, Xinmin Town, Tongan District, Fujian, Xiamen Patentee after: XIAMEN PURUI TECHNOLOGY CO., LTD. Address before: 201401, No. 999, Ring North Road, fourth, Shanghai, Fengxian District Patentee before: Enoch Packaging (Shanghai) Co., Ltd. |