CN101130389A - Enveloping method for coating silicon gel rubber with plastic film and finished product thereof - Google Patents
Enveloping method for coating silicon gel rubber with plastic film and finished product thereof Download PDFInfo
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- CN101130389A CN101130389A CNA2006100475190A CN200610047519A CN101130389A CN 101130389 A CN101130389 A CN 101130389A CN A2006100475190 A CNA2006100475190 A CN A2006100475190A CN 200610047519 A CN200610047519 A CN 200610047519A CN 101130389 A CN101130389 A CN 101130389A
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- plastic sheeting
- silicon gel
- contact surface
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Abstract
The invention relates to a sealing method for coating plastic film with silica gel and the product. Plasma treatment or electron beam treatment is mainly carried out to the contact face between a first and a second plastic films and the silica gel so that wettability of contact face between the first and the second plastic films and the silica gel is increased and the contact face can be jointed with the silica gel tightly. Subsequently, in vacuum circumstance one-time sealing operation between the first and the second plastic films and the silica gel is carried out so that there is no air bubble in product. At the same time, sealing line of sealed film has not gap and the risk of glue overflowing is decreased greatly.
Description
Technical field
Sealing method and finished product thereof that the present invention is coated by plastic sheeting about a kind of silicon gel, be meant that especially a kind of elder generation will carry out plasma treatment (PLASMA-CASING PROCESS with silicon gel phase bonded assembly contact surface to first, second plastic sheeting, CROSSLINKING BY ACTIVATED SPACIES OFINTER GASES) or after the electron beam treatment (Electron Beam), under vacuum environment, carries out sealing method and finished product thereof that the silicon gel of the disposable involution operation of silicon gel and plastic sheeting is coated by plastic sheeting again.
Background technology
See also shown in Figure 1A, 1B, 1C, the 1D, be conventional silicon gel sealing method scheme drawing, know the involution operation of sealing method for coating that general silicon gel is coated by plastic sheeting in bar pressure, its step method is as follows:
Step 1: earlier by thin film forming machine with 41,42 moulding of two plastic sheetings;
Step 2: by the film sealing machine two plastic sheetings, 41,42 first involutions are a bag 46 again, only on bag, keep an inlet 43 (shown in Figure 1A);
Step 3: inject silicon gel 2 in bag 46 by this inlet 43, make and fill silicon gel 2 and air 45 and bubble 44 in the bag 46, but for making the contact surface leak-tight joint of silicon gel 2 and two films 41,42, common practices mixes glutinous agent or smear glutinous agent on the contact surface of two films 41,42 in silicon gel 2, by glutinous agent silicon gel 2 and two films, 41,42 contact surfaces are cohered (shown in Figure 1B);
Step 4: use manual type, bubble 44 in the bag 46 and air 45 are discharged outside the bag 46 through more than 43 extruding of bag inlet;
Step 5: after bubble 44 and air 45 are extruded, pass through the film sealing machine again with inlet 43 involutions; So, promptly finish the involution operation (shown in Fig. 1 C, D) that silicon gel 2 is coated by plastic sheeting 41,42.
Yet above-mentioned silicon gel sealing method still has following disappearance:
1. conventional involution operation need be carried out at twice, causes increase man-hour; More, the unfavorable condition of excessive glue is often arranged because sealing line has seam.
2. the contact surface of conventional silicon gel 2 and plastic sheeting 41,42 coheres mutually by glutinous agent, causes the operator to need many time-consumings to smear and stirring work, and is quite time-consuming really, take a lot of work.And bind mode by glutinous agent, can the characteristic of silicon gel 2 be damaged, the silicon gel products degree of stability that makes involution finish is not good.
3. conventional silicon gel 2 is finished the involution operation in air environment, cause being full of air 45 in these plastic sheeting 41,42 formed bags, when 2 perfusions of silicon gel, have bubble 44 and air 45 existence, need labor intensive that bubble 44 and air 45 are extruded again, this kind mode of operation following disappearance of can deriving again:
(1) bubble and air can't squeeze out very fully, make silicon gel products (as: air transport process) under environmental modification or inclement condition, can cause silicon gel and film contact surface that the anxiety of peeling off is arranged.
(2) can't isolate bacteria or pollutants.
(3) artificial manufacture because of human element causes quality unstable and non-constant, causes fraction defective to increase.
(4) cause production capacity to promote in labor intensive and man-hour.
This shows that above-mentioned common method still has many disappearances, real non-one kindhearted design, and demand urgently being improved.
Every shortcoming that the present inventor derives in view of the sealing method of above-mentioned silicon gel commonly used and plastic sheeting, be urgently to think to be improved innovation, and after concentrating on studies through taking great pains to attain one's goal for many years, successfully sealing method and the finished product thereof that silicon gel of the present invention is coated by plastic sheeting finished in research and development finally.
Summary of the invention
Purpose of the present invention promptly is to provide a kind of elder generation that the contact surface of plastic sheeting and silicon gel is carried out plasma treatment or electron beam treatment, make plastic sheeting desire to increase with silicon gel bonded assembly contact surface wetting state, cause the contact surface and the silicon gel of plastic sheeting after the involution operation, can be integral by leak-tight joint, can not peel off.
Of the present invention time a purpose is to provide a kind of silicon gel that carries out under vacuum environment to be coated the disposable involution operation of bonded assembly by plastic sheeting, drop to the bubble generation rate in the plastic sheeting behind the involution minimum, owing to do not have breach on the film sealing line that involution is finished, significantly reduce the glue risk of overflowing again.
Another object of the present invention is to provide a kind of by automated process, except that increasing the product production capacity, and can get rid of human element and make product design constant, and reach the purpose of saving man-hour and manpower.
For achieving the above object, the technical solution adopted in the present invention is:
The silicon gel by the control step of the sealing method that plastic sheeting coats is:
Step 1: earlier by a thin film forming machine with first, second plastic sheeting moulding, this first, second plastic sheeting have one side will with silicon gel phase bonded assembly contact surface;
Step 3: again with first, second plastic sheeting places a vacuum cavity, this first plastic sheeting is positioned the place, below of vacuum cavity, and first plastic sheeting and silicon gel phase bonded assembly contact surface are for being provided with up, this second plastic sheeting is positioned the place, top of first plastic sheeting, and second plastic sheeting and silicon gel phase bonded assembly contact surface are provided with down, make first, the corresponding setting of the contact surface of second plastic sheeting, and in the contact surface of first plastic sheeting perfusion silicon gel, utilize the film sealing machine that the contact surface of second plastic sheeting is covered on the contact surface and silicon gel of first plastic sheeting again, and simultaneously with first, the edge involution of second plastic sheeting, make the silicon gel under vacuum environment by first, second plastic sheeting coats and connects, and does not have any bubble and is present in product inside.
Via the above-mentioned steps flow process, can finish the involution operation that the silicon gel is coated by plastic sheeting.
The finished product vertical section divides three layers, and the upper strata is that plastic sheeting, interlayer are that silicon gel, bottom also are plastic sheeting, and wherein, upper strata plastic sheeting and bottom plastic sheeting all have one side and the contacted contact surface of silicon gel, and this contact surface has good wetting state; It with the contact surface of interlayer silicon gel and upper strata plastic sheeting and the contact surface leak-tight joint of bottom plastic sheeting, and with involution of periphery of upper strata plastic sheeting and bottom plastic sheeting, can jaggedly not produce in vacuum environment.
Wherein: described first, second plastic sheeting can be the plastic sheeting of polyurethane (TPU) film or other material.
The sealing method that silicon gel provided by the present invention is coated by plastic sheeting when comparing mutually with other common technology, has more following advantage:
1. the present invention carries out plasma treatment PLASMA-CASING PROCESS or electron beam treatment (ELECTRON BEAM) to first, second plastic sheeting and silicon gel phase bonded assembly contact surface, the wetting state of contact surface is increased, cause the contact surface of plastic sheeting and silicon gel to link into an integrated entity.
2. the present invention makes plasma treatment or electron beam treatment at plastic sheeting, make it in treating process, clean except that having, dustless, the plurality of advantages such as degree of stability is good, save time, saving of labor, and it is a physical action, so in handling the back constant product quality fully, plastic sheeting is difficult for peeling off (in the treating process, almost not having variable).
3. the present invention carries out the involution operation that automation silicon gel is coated by plastic sheeting under vacuum environment; Make the plurality of advantages such as it is clean except that having, dustless, aseptic, and it adopts automated process under the vacuum condition, make that the quality of production is constant, production capacity is fixed, man-hour and worker reduce, and material can not be wasted, and can significantly reduce manufacturing cost.
4. in vacuum environment, first, second plastic sheeting and silicon gel are carried out disposable involution operation, make product inside not have bubble and exist; Simultaneously, the film seal line behind the involution does not have breach, greatly reduces the glue risk of overflowing.
5. the present invention carries out the involution operation that the silicon gel is coated by plastic sheeting in vacuum environment, because of plastic sheeting and silicon gel phase bonded assembly contact surface by plasma treatment (PLASMA-CASINGPROCESS) or electron beam treatment (ELECTRON BEAM), so wetting state increases, cause the silicon gel can with the plastic sheeting leak-tight joint; This silicon gel products is (as: air transport process) under environmental modification or inclement condition, can not cause plastic sheeting and silicon gel to peel off; And carry out involution operation manufacturing process under vacuum environment, the involution zone has plurality of advantages such as dustless, aseptic and superior in quality.
Description of drawings
See also the detailed description and the accompanying drawing thereof of the following relevant embodiment of the invention, can further understand technology contents of the present invention and purpose effect thereof; Relevant accompanying drawing of the present invention is:
Figure 1A is conventional silicon gel involution scheme drawing.
Figure 1B is conventional silicon gel involution scheme drawing.
Fig. 1 C is conventional silicon gel involution scheme drawing.
Fig. 1 D is conventional silicon gel involution scheme drawing.
The processing procedure scheme drawing of the sealing method that Fig. 2 A is coated by plastic sheeting for silicon gel of the present invention.
The processing procedure scheme drawing of the sealing method that Fig. 2 B is coated by plastic sheeting for silicon gel of the present invention.
The processing procedure scheme drawing of the sealing method that Fig. 2 C is coated by plastic sheeting for silicon gel of the present invention.
The processing procedure scheme drawing of the sealing method that Fig. 2 D is coated by plastic sheeting for silicon gel of the present invention.
The involution finished figure that Fig. 3 is coated by plastic sheeting for silicon gel of the present invention.
Main portion conventional letter: 11. first plastic sheetings, 111. contact surfaces, 12. second plastic sheetings, 121. contact surfaces, 2. silicon gel, 3. vacuum cavity, 41. films, 42. films, 43. inlets, 44. bubbles, 45. air, 46. bags.
The specific embodiment
See also Fig. 2 A, B, C, D and shown in Figure 3, silicon gel provided by the present invention by the fabrication steps of the sealing method that plastic sheeting coats is:
Step 1: pass through a thin film forming machine earlier with first, second plastic sheeting 11,12 moulding, this first, second plastic sheeting 11,12 respectively has one side and silicon gel 2 bonded assembly contact surfaces 111,121;
Step 2: make plasma treatment (PLASMA-CASING PROCESS) by the contact surface 111,121 that the plasma treatment machine is connected with silicon gel 2 to first, second plastic sheeting 11,12, contact surface 111,121 wetting states of first, second plastic sheeting 11,12 are increased, cause this contact surface 111,121 can with silicon gel 2 leak-tight joints (shown in Fig. 2 A); In addition, also can make electron beam treatment (ELECTRON BEAM), can increase the wetting state of first, second plastic sheeting contact surface equally the contact surface of first, second plastic sheeting;
Step 3: again with first, second plastic sheeting 11,12 place a vacuum cavity 3, this first plastic sheeting 11 is positioned the place, below of vacuum cavity 3, and the contact surface 111 that first plastic sheeting 11 is connected with silicon gel 2 is for being provided with up, this second plastic sheeting 12 is positioned the place, top of first plastic sheeting 11, and the contact surface 121 that second plastic sheeting 12 is connected with silicon gel 2 is provided with down, make first, second plastic sheeting 11,12 contact surface 111,121 corresponding settings (shown in Fig. 2 B), and in the contact surface 111 of first plastic sheeting 11 perfusion silicon gel 2 (shown in Fig. 2 C), utilize the film sealing machine that the contact surface 121 of second plastic sheeting 12 is covered on the contact surface 111 and silicon gel 2 of first plastic sheeting 11 again, and simultaneously with first, second plastic sheeting 11,12 edge involution, make silicon gel 2 under vacuum environment by first, second plastic sheeting 11,12 coat connection (shown in Fig. 2 D), do not have any bubble and are present in product inside.
Wherein: described first, second plastic sheeting can be polyurethane (TPU) film.
Via the above-mentioned steps flow process, can finish the finished product that silicon gel 2 is coated by first, second plastic sheeting 11,12, described product vertical section divides three layers, and the upper strata is that polyurethane membrane of lipoprotein 11, interlayer are that silicon gel 2, bottom also are polyurethane membrane of lipoprotein 12.Wherein, upper strata plastic sheeting 11 all has one side and silicon gel 2 contacted contact surfaces 111,112 with bottom plastic sheeting 12, and this contact surface 111,112 has good wetting state; In vacuum environment with interlayer silicon gel 2 and the contact surface 111 of upper strata plastic sheeting 11 and contact surface 121 leak-tight joints of bottom plastic sheeting 12, and, can jaggedly not produce (as shown in Figure 3) with involution of periphery of upper strata plastic sheeting 11 and bottom plastic sheeting 12.
Above-listed detailed description specifies at possible embodiments of the present invention, and only this embodiment is not in order to limiting claim of the present invention, does not allly break away from the equivalence that skill spirit of the present invention does and implements or change, all should be contained in the scope of the present invention.
In sum, the present invention not only really belongs to innovation on technological thought, and can promote above-mentioned multinomial effect by article commonly used, the legal patent of invention important document that should fully meet novelty, creativeness and practicality, file an application in the whence in accordance with the law, earnestly ask your office and check and approve patent application case of the present invention, to encourage invention, to feeling moral just.
Claims (5)
1. sealing method that the silicon gel is coated by plastic sheeting, it is characterized in that: at first, to first, second plastic sheeting and silicon gel phase bonded assembly contact surface are done the surface and are handled, to increase by first, the wetting state of the contact surface of second plastic sheeting is connected the silicon gel respectively again with the contact surface of the first, the second plastic sheeting, and in vacuum environment, carry out the silicon gel by first, involution of second plastic sheeting coats operation, causes the silicon gel closely to be coated involution by the first, the second plastic sheeting, can not produce bubble, and the involution place of the first, the second plastic sheeting can not produce breach, causes one, second plastic sheeting closely coats the silicon gel and engages.
By the described silicon gel of claim 1 by the sealing method that plastic sheeting coats, it is characterized in that: this first, the second plastic sheeting has one side and silicon gel phase bonded assembly contact surface, and this contact surface can carry out surface treatment earlier, to increase the wetting state of contact surface.
By claim 1 or 2 described silicon gels by the sealing method that plastic sheeting coats, it is characterized in that: the surface treatment of this first, the second plastic sheeting contact surface can be plasma treatment.
By claim 1 or 2 described silicon gels by the sealing method that plastic sheeting coats, it is characterized in that: the surface treatment of this first, the second plastic sheeting contact surface can be or electron beam treatment.
5. involution finished product that is coated by plastic sheeting by the described silicon gel of claim 1, it is characterized in that: the upper strata is that plastic sheeting, centre are plastic sheeting for a layer silicon gel, bottom, wherein, upper strata plastic sheeting and bottom plastic sheeting all have one side and the contacted contact surface of silicon gel, simultaneously with the contact surface of interlayer silicon gel and upper strata plastic sheeting and bottom plastic sheeting under vacuum environment with the contact surface leak-tight joint; And with involution of periphery of upper strata plastic sheeting and bottom plastic sheeting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100475190A CN101130389B (en) | 2006-08-23 | 2006-08-23 | Enveloping method for coating silicon gel rubber with plastic film and finished product thereof |
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| CN2006100475190A CN101130389B (en) | 2006-08-23 | 2006-08-23 | Enveloping method for coating silicon gel rubber with plastic film and finished product thereof |
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| CN101130389A true CN101130389A (en) | 2008-02-27 |
| CN101130389B CN101130389B (en) | 2011-05-11 |
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| CN2006100475190A Active CN101130389B (en) | 2006-08-23 | 2006-08-23 | Enveloping method for coating silicon gel rubber with plastic film and finished product thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555341A (en) * | 2011-02-25 | 2012-07-11 | 北京国科世纪激光技术有限公司 | Thermal conductive interface device |
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| FR2498446B1 (en) * | 1981-01-26 | 1985-05-24 | Inst Nat Sante Rech Med | METHOD FOR TREATING A BREAST-PROSTHESIS AND PROSTHESIS OBTAINED |
| US5133823A (en) * | 1990-06-01 | 1992-07-28 | Henkel Kommanditgesellschaft Auf Aktien | Primer for cyanoacrylate adhesives and use thereof in a bonding method |
| DK144493A (en) * | 1993-12-23 | 1995-06-24 | Coloplast As | Method of making a foil-wrapped breast prosthesis and molding tool for use in the practice of the method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555341A (en) * | 2011-02-25 | 2012-07-11 | 北京国科世纪激光技术有限公司 | Thermal conductive interface device |
| CN102555341B (en) * | 2011-02-25 | 2015-03-18 | 北京国科世纪激光技术有限公司 | Thermal conductive interface device |
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| CN101130389B (en) | 2011-05-11 |
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