CN101954740A - Method for adhering low-density polyethylene film and polyurethane core material together - Google Patents
Method for adhering low-density polyethylene film and polyurethane core material together Download PDFInfo
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- CN101954740A CN101954740A CN 201010283806 CN201010283806A CN101954740A CN 101954740 A CN101954740 A CN 101954740A CN 201010283806 CN201010283806 CN 201010283806 CN 201010283806 A CN201010283806 A CN 201010283806A CN 101954740 A CN101954740 A CN 101954740A
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- density polyethylene
- polyurethane core
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- polyethylene film
- low density
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Abstract
The invention discloses a method for adhering a low-density polyethylene film and a polyurethane core material together, comprising the following measures and steps of: A. controlling the thickness of the low-density polyethylene film within a range from 0.04 mm to 0.1 mm; B. carrying out corona treatment on the adhering surface of the low-density polyethylene film; and C. adhering the low-density polyethylene film onto the polyurethane core material. The method for adhering the low-density polyethylene film and the polyurethane core material together fundamentally solves the problem of inadhesion of the LDPE (Low-Density Polyethylene) film and PU (Polyurethane), has the advantages of reliable property, outstanding economic benefit, and the like and is easy for operation.
Description
Technical field
The present invention relates to a kind of associated methods of organic material, relate in particular to the adhering method of a kind of low density polyethylene films and polyurethane core.
Background technology
LDPE (low density polyethylene (LDPE)) series products and PU series products generally speaking can not be bonding, when certain product needed adopts the structure of polyurethane (PU) inner core+outsourcing film, generally adopt the structure of PU film+PU; Such structure is in vogue in North America, and still, the cost of the structure of PU film+PU is equivalent to more than 3 times of LDPE film+PU structure.
In fact, a lot of similar products like all have LDPE film and the bonding requirement of PU: for example, for NVH (english abbreviation of noise, vibration and comfortableness) (Noise, Vibration, the Harshness) performance that improves car load, at the inner increase suction sound arrester that needs of beater or beat-up, this device promptly requires to possess NVH performance, waterproof again, so, in the necessary wrap film in PU surface,, need the life-span more than 10 years simultaneously again to prevent into water and dust; Therefore, solve the not bonding problem of LDPE film and PU, just seem very outstanding.
Summary of the invention
Purpose of the present invention is exactly in order to provide the adhering method of a kind of low density polyethylene films and polyurethane core.
In order to achieve the above object, the present invention has adopted following technical scheme: the adhering method of a kind of low density polyethylene films and polyurethane core comprises following measure and step:
A, with the THICKNESS CONTROL of low density polyethylene films in the scope of 0.04-0.1mm;
B, the bonding plane of low density polyethylene films is carried out sided corona treatment;
C, low density polyethylene films is bonded on the polyurethane core.
Described sided corona treatment is undertaken by a corona machine, and its operating voltage is 75 ± 10V, and operating current is 20 ± 2A, and the film translational speed is 0.05m/ second.
The adhering method of low density polyethylene films of the present invention and polyurethane core compared with prior art has the following advantages:
One, fundamentally solved the not bonding problem of LDPE film and PU.
Two, remarkable in economical benefits: the price of LDPE film has only 1/3rd of PU film.
Three, dependable performance: find out have the PU of bulk to bond on the LDPE film from destructive testing (product is torn, and exposes PU and LDPE film) testing result, meet the specification requirement of bonding force fully greater than the tearing strength of PU own.
Four, simple to operate: just need one of corona machine, price is about 1.5 ten thousand yuan; Corona unit is fixed on the reel of blow moulding machine, just can have worked.
The specific embodiment
The adhering method of low density polyethylene films of the present invention and polyurethane core is:
1, with the THICKNESS CONTROL of low density polyethylene films in the scope of 0.04-0.1mm; Too thinly punctured by electric spark easily; Too thick then moulding is difficulty very, and cost increases considerably;
2, the bonding plane to low density polyethylene films carries out sided corona treatment; The principle of sided corona treatment is, utilizes high-frequency power at processed frosting corona discharge, and produces low temperature plasma, makes frosting produce radical reaction and that polymer is taken place is crosslinked, and surperficial roughening also increases it the wetting of polar solvent recalled.These low temperature plasmas are by electric shock and penetrate into frosting and destroy its molecular structure, and then with processed surface molecular oxidation and polarization, and ion electric shock erosion surface consequently increases the adhesive ability of frosting.
Sided corona treatment among the present invention is undertaken by a corona machine, and its operating voltage is 75 ± 10V, and operating current is 20 ± 2A, and the film translational speed is 0.05m/ second.
3, low density polyethylene films is bonded on the polyurethane core.
Claims (2)
1. the adhering method of low density polyethylene films and polyurethane core is characterized in that: comprise following measure and step:
A, with the THICKNESS CONTROL of low density polyethylene films in the scope of 0.04-0.1mm;
B, the bonding plane of low density polyethylene films is carried out sided corona treatment;
C, low density polyethylene films is bonded on the polyurethane core.
2. the adhering method of low density polyethylene films as claimed in claim 1 and polyurethane core, it is characterized in that: described sided corona treatment is undertaken by a corona machine, its operating voltage is 75 ± 10V, and operating current is 20 ± 2A, and the film translational speed is 0.05m/ second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010283806 CN101954740A (en) | 2010-09-16 | 2010-09-16 | Method for adhering low-density polyethylene film and polyurethane core material together |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010283806 CN101954740A (en) | 2010-09-16 | 2010-09-16 | Method for adhering low-density polyethylene film and polyurethane core material together |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101954740A true CN101954740A (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010283806 Pending CN101954740A (en) | 2010-09-16 | 2010-09-16 | Method for adhering low-density polyethylene film and polyurethane core material together |
Country Status (1)
| Country | Link |
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| CN (1) | CN101954740A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08169600A (en) * | 1994-12-20 | 1996-07-02 | Sekisui Chem Co Ltd | Connecting method of hydrophilic raw fabric |
| US20040040261A1 (en) * | 2002-08-27 | 2004-03-04 | Hayssen, Inc. | Method and apparatus for providing an improved seam seal in a vertical form fill and package apparatus |
| CN2911370Y (en) * | 2006-05-30 | 2007-06-13 | 天津市宁河县鑫盈保温材料有限公司 | Special polyethylene outer protecting pipe for underwater pipeline |
| CN101007302A (en) * | 2006-01-25 | 2007-08-01 | Jts株式会社 | Light-scattering composite agricultural film |
| CN101292362A (en) * | 2005-08-12 | 2008-10-22 | 凯博瑞奥斯技术公司 | Nanowires-based transparent conductors |
| CN101364669A (en) * | 2008-09-25 | 2009-02-11 | 东华大学 | Polyethylene reinforced radar cowl of ultra-high molecular weight, preparation and application thereof |
| CN101541529A (en) * | 2007-01-03 | 2009-09-23 | 株式会社人波 | Multifunctional plastic sheet and manufacturing method thereof |
-
2010
- 2010-09-16 CN CN 201010283806 patent/CN101954740A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08169600A (en) * | 1994-12-20 | 1996-07-02 | Sekisui Chem Co Ltd | Connecting method of hydrophilic raw fabric |
| US20040040261A1 (en) * | 2002-08-27 | 2004-03-04 | Hayssen, Inc. | Method and apparatus for providing an improved seam seal in a vertical form fill and package apparatus |
| CN101292362A (en) * | 2005-08-12 | 2008-10-22 | 凯博瑞奥斯技术公司 | Nanowires-based transparent conductors |
| CN101007302A (en) * | 2006-01-25 | 2007-08-01 | Jts株式会社 | Light-scattering composite agricultural film |
| CN2911370Y (en) * | 2006-05-30 | 2007-06-13 | 天津市宁河县鑫盈保温材料有限公司 | Special polyethylene outer protecting pipe for underwater pipeline |
| CN101541529A (en) * | 2007-01-03 | 2009-09-23 | 株式会社人波 | Multifunctional plastic sheet and manufacturing method thereof |
| CN101364669A (en) * | 2008-09-25 | 2009-02-11 | 东华大学 | Polyethylene reinforced radar cowl of ultra-high molecular weight, preparation and application thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110126 |