CN109397708A - A kind of adhesion technique of silica gel and PET - Google Patents
A kind of adhesion technique of silica gel and PET Download PDFInfo
- Publication number
- CN109397708A CN109397708A CN201811114151.4A CN201811114151A CN109397708A CN 109397708 A CN109397708 A CN 109397708A CN 201811114151 A CN201811114151 A CN 201811114151A CN 109397708 A CN109397708 A CN 109397708A
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- China
- Prior art keywords
- silica gel
- pet
- binding face
- adhesion
- preparation process
- Prior art date
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 239000000741 silica gel Substances 0.000 title claims abstract description 118
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000009832 plasma treatment Methods 0.000 claims abstract description 26
- 238000002360 preparation method Methods 0.000 claims abstract description 26
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 22
- 238000013532 laser treatment Methods 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000003892 spreading Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 230000002000 scavenging effect Effects 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 9
- 230000001070 adhesive effect Effects 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 description 15
- 239000000126 substance Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/028—Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses the adhesion techniques of a kind of silica gel and PET, comprising: silica gel preparation process: providing a silica gel, by the binding face of silica gel successively after ultrasonic cleaning step, laser treatment step and plasma treatment step, obtains pretreatment silica gel；PET preparation process: a PET is provided；The binding face of PET is passed through into plasma treatment step；Adhesion step: then the binding face of PET and the binding face of pretreatment silica gel are bonded, are then solidified, obtain silica gel and the glued construction of PET by the spreading glue on the binding face of pretreatment silica gel.Adhesion technique of the invention improves the inertia factor of Silica Surface, greatly strengthens the adhesive strength between silica gel and PET, solves the problems, such as coming unglued between silica gel and PET.
Description
Technical field
The present invention relates to a kind of adhesion techniques, more particularly to the adhesion technique of a kind of silica gel and PET.
Background technique
Silica gel (Silica gel；Silica) alias: silicic acid gel is a kind of high activity adsorbent material, belongs to amorphous state object
Matter, chemical molecular formula mSiO2·nH2O；Do not react with any substance in addition to highly basic, hydrofluoric acid, it is not soluble in water and appoint
What solvent, non-toxic and tasteless, chemical property is stablized.The silica gel of various models forms different micropore knots because of its manufacturing method difference
Structure.The chemical composition and physical structure of silica gel determine that it has the characteristics that many other same type of material are difficult to replace: adsorptivity
Energy is high, thermal stability is good, chemical property is stable, has higher mechanical strength etc..
Because silica gel itself belongs to inert material, a large amount of silicone oil components are contained in inside, and silica gel is in forming process for convenient for life
Operation is produced, adds release agent once more, these reagents again increase the inert fraction of silica gel, so as to cause silicon after molding
Glue directly can not carry out strong bonding with any material, so that product is easy to come unglued.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide the adhesion techniques of a kind of silica gel and PET, should
Adhesion technique improves the inertia factor of Silica Surface, greatly strengthens the adhesive strength between silica gel and PET, solves silica gel
Problem of coming unglued between PET.
The purpose of the present invention adopts the following technical scheme that realization:
A kind of adhesion technique of silica gel and PET characterized by comprising
Silica gel preparation process: providing a silica gel, and the binding face of silica gel is successively passed through ultrasonic cleaning step, at laser
After managing step and plasma treatment step, pretreatment silica gel is obtained；
PET preparation process: a PET is provided；
Adhesion step: the spreading glue on the binding face of pretreatment silica gel, then by the binding face of PET and pretreatment silica gel
Binding face bonded, then solidified, obtain silica gel and the glued construction of PET.
Further, the concrete processing procedure of silica gel preparation process, ultrasonic cleaning step is as follows: passing through ultrasonic cleaning
Device cleans the binding face of silica gel, then dries the liquid of Silica Surface；The ultrasonic cleaning time is 10-20min, clearly
Washing temperature is 25-35 DEG C.
Further, in ultrasonic cleaning step, the ultrasonic cleaning time is 10min, and cleaning temperature is 30 DEG C.
Further, in silica gel preparation process, the concrete processing procedure of laser treatment step is as follows: by laser machine to silicon
The binding face of glue carries out laser treatment；Laser treatment is 2min, and processing power is 45% × 1000W.
Further, in silica gel preparation process, the concrete processing procedure of plasma treatment step is as follows: true by plasma
Empty machine carries out plasma treatment to the binding face of silica gel, and the processing time is 25min, and temperature is 30 DEG C.
Further, in PET preparation process, the binding face of PET is passed through into plasma treatment step.
Further, in PET preparation process, the concrete processing procedure of plasma treatment step is as follows: true by plasma
Empty machine carries out plasma treatment to the binding face of PET, and the processing time is 5min, and temperature is 30 DEG C.
Further, in adhesion step, it is desirable that pretreatment silica gel and PET are bonded in 30 minutes.
Further, in adhesion step, cured concrete processing procedure is as follows: solidifying under room temperature environment, curing time
It is 24 hours or more.
The beneficial effects of the present invention are:
The present invention is by successively passing through the binding face of silica gel at ultrasonic cleaning step, laser treatment step and plasma
Step is managed, the inertia factor of Silica Surface is reduced, reaches and strong bonding is carried out by glue between silica gel and PET；Therefore,
The process improving of the invention inertia factor of Silica Surface, greatly strengthens the adhesive strength between silica gel and PET, solves
Problem of coming unglued between silica gel and PET.
Detailed description of the invention
Fig. 1 is the silica gel of embodiment 1 and the peel test photo of PET.
Fig. 2 is the silica gel of comparative example 1 and the peel test photo of PET.
Specific embodiment mode
In the following, being described further in conjunction with specific embodiment to the present invention, it should be noted that is do not collided
Under the premise of, new embodiment can be formed between various embodiments described below or between each technical characteristic in any combination.
A kind of adhesion technique of silica gel and PET, comprising:
Silica gel preparation process: providing a silica gel, and the binding face of silica gel is successively passed through ultrasonic cleaning step, at laser
After managing step and plasma treatment step, pretreatment silica gel is obtained；
PET preparation process: a PET is provided；
Adhesion step: the spreading glue on the binding face of pretreatment silica gel, then by the binding face of PET and spreading glue silicon
The binding face of glue is bonded, and is then solidified, and silica gel and the glued construction of PET are obtained.
Concrete processing procedure as the mode that further carries out, silica gel preparation process, ultrasonic cleaning step is as follows: logical
It crosses ultrasonic cleaner to clean the binding face of silica gel, then dries the liquid of Silica Surface；The ultrasonic cleaning time
For 10-20min, cleaning temperature is 25-35 DEG C.The purpose is to reduce dust, fibers to the shadow of subsequent adhesion step for ultrasonic cleaning
It rings.
As the mode that further carries out, in ultrasonic cleaning step, the ultrasonic cleaning time is 10min, cleaning temperature
It is 30 DEG C.
The present invention verifies the parameter of silica gel ultrasonic cleaning, and concrete outcome is referring to table 1.
Table 1
As the mode that further carries out, in silica gel preparation process, the concrete processing procedure of laser treatment step is as follows: logical
It crosses laser machine and laser treatment is carried out to the binding face of silica gel；Laser treatment is 2min, and processing power is 45% × 1000W.Pass through
Laser treatment falls the silicone oil of silica gel adhesive surface exudation, and changes the molecular structure in silica gel treatment face, reduces the secondary exudation of silicone oil
Time.
Different disposal time and the corresponding peel test of processing power, concrete outcome reference in laser treatment step of the present invention
Table 2.
Table 2
| NO. | The laser treatment time | Laser treatment power (1000W) | Peel test results (pet sheet face silica gel residual ratio) |
| 1 | 1min | 41% | 30% |
| 2 | 1min | 42% | 35% |
| 3 | 1min | 43% | 42% |
| 4 | 1min | 44% | 47% |
| 5 | 1min | 45% (maximum power) | 53% |
| 6 | 2min | 41% | 36% |
| 7 | 2min | 42% | 42% |
| 8 | 2min | 43% | 46% |
| 9 | 2min | 44% | 53% |
| 10 | 2min | 45% (maximum power) | 62% |
| 11 | 3min | 41% | 42% |
| 12 | 3min | 42% | 56% |
| 13 | 3min | 43% | 60% |
| 14 | 3min | 44% | 62% |
| 15 | 3min | 45% (maximum power) | 62% |
As the mode that further carries out, in silica gel preparation process, the concrete processing procedure of plasma treatment step is as follows:
Plasma treatment is carried out by binding face of the plasma vacuum machine to silica gel, the processing time is 25min, and temperature is 30 DEG C, processing
Gas is argon gas (400ml).Plasma treatment is carried out to the adhesive surface of silica gel, silicone oil exudation channel can be closed.
Plasma treatment different disposal time and the corresponding peel test of subprocessing temperature of the invention, concrete outcome reference
Table 3.
Table 3
As the mode that further carries out, in PET preparation process, the binding face of PET is subjected to plasma treatment step.This
Sample design, can further enhance bonding effect.
As the mode that further carries out, in PET preparation process, the concrete processing procedure of plasma treatment step is as follows:
Plasma treatment is carried out by binding face of the plasma vacuum machine to PET, the processing time is 5min, and temperature is 30 DEG C.
As the mode that further carries out, in adhesion step, it is desirable that pretreatment silica gel and PET are glued in 30 minutes
It closes.It designs in this way, the silica gel that can be avoided silica gel adhesive surface oozes out again.
Timeliness verifying (peel test) after silica gel treatment of the invention, concrete outcome is referring to table 4.
Table 4
| NO. | Bond the time | Peel test results (pet sheet face silica gel residual ratio) |
| 1 | 10min | 95% |
| 2 | 30min | 93% |
| 3 | 1H | 90% |
| 4 | 1H30min | 89% |
| 5 | 2H | 88% |
| 6 | 2H30min | 85% |
As the mode that further carries out, in adhesion step, cured concrete processing procedure is as follows: solid under room temperature environment
Change, curing time is 24 hours or more.It designs in this way, can guarantee that silica gel and PET bond completely, can not separate, to reach
Bonding effect.
Specific embodiment of the present invention when following, used raw material, equipment etc. remove special limit in the following embodiments
It can be obtained by buying pattern outside fixed.
Embodiment 1:
A kind of adhesion technique of silica gel and PET, comprising:
Silica gel preparation process: providing a silica gel, and the binding face of silica gel is successively passed through ultrasonic cleaning step, at laser
After managing step and plasma treatment step, pretreatment silica gel is obtained；The concrete processing procedure of ultrasonic cleaning step is as follows: passing through
Ultrasonic cleaner cleans the binding face of silica gel, then dries the liquid of Silica Surface；The ultrasonic cleaning time is
10min, cleaning temperature are 30 DEG C；The concrete processing procedure of laser treatment step is as follows: by laser machine to the binding face of silica gel
Carry out laser treatment；Laser treatment is 2min, and processing power is 45% × 1000W.The specific of plasma treatment step processes
Journey is as follows: carrying out plasma treatment by binding face of the plasma vacuum machine to silica gel, the processing time is 25min, temperature 30
DEG C, processing gas is argon gas (400ml).
PET preparation process: a PET is provided；The binding face of PET is passed through into plasma treatment step.Plasma treatment step
Rapid concrete processing procedure is as follows: by plasma vacuum machine to the binding face progress plasma treatment of PET, the processing time is
5min, temperature are 30 DEG C.
Adhesion step: the spreading glue on the binding face of pretreatment silica gel, then by the binding face of PET and pretreatment silica gel
Binding face bonded, then solidified, obtain silica gel and the glued construction of PET.It is required that pretreatment silica gel and PET are 30
It is bonded in minute, cured concrete processing procedure is as follows: being solidified under room temperature environment, curing time is 24 hours or more.
Referring to Fig.1, the peel test photo of the glued construction of the silica gel and PET of the present embodiment, it can be seen that silica gel is whole
Remain on PET, can not remove at all；Illustrate that the adhesive strength between silica gel and PET is good.
Table 5-7 is the glued construction of silica gel and PET after 3 batches of the adhesion technique preparation of the present embodiment are produced as a trial respectively
Peel test results can not be removed at all between silica gel and PET in terms of 3 batches trial production peel test results, unless will
Silica gel tearing can tear silica gel from pet sheet face.To guarantee enough silica gel and PET adhesive strength, commented by researching and developing meeting
Estimate, default peel test (destructive testing) pet sheet face silica gel tearing residual ratio is greater than 70%, according to the stripping of 3 batches
From as a result, pet sheet face residual silica gel be all larger than 80%, meet design requirement.
First batch produces test result as a trial, is shown in Table 5.
Table 5
Second lot produces test result as a trial, is shown in Table 6.
Table 6
Third batch produces test result as a trial, is shown in Table 7.
Table 7
Comparative example 1:
A kind of adhesion technique of silica gel and PET, comprising: the spreading glue on the binding face of pretreatment silica gel, then by PET
Binding face and the binding face of silica gel of spreading glue bonded, then solidify under room temperature environment, curing time is 24 small
When more than, obtain silica gel and the glued construction of PET.
Referring to Fig. 2, the silica gel of the present embodiment and the peel test photo of PET, it can be seen that PET is residual almost without silica gel
It stays；Illustrate that the adhesive strength between silica gel and PET is poor.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (9)
1. the adhesion technique of a kind of silica gel and PET characterized by comprising
Silica gel preparation process: providing a silica gel, the binding face of silica gel is successively passed through ultrasonic cleaning step, laser treatment walks
After rapid and plasma treatment step, pretreatment silica gel is obtained；
PET preparation process: a PET is provided；
Adhesion step: the spreading glue on the binding face of pretreatment silica gel, then by the patch of the binding face of PET and pretreatment silica gel
Conjunction face is bonded, and is then solidified, and silica gel and the glued construction of PET are obtained.
2. the adhesion technique of silica gel as described in claim 1 and PET, which is characterized in that silica gel preparation process, ultrasonic cleaning
The concrete processing procedure of step is as follows: being cleaned by binding face of the ultrasonic cleaner to silica gel, then by Silica Surface
Liquid drying；The ultrasonic cleaning time is 10-20min, and cleaning temperature is 25-35 DEG C.
3. the adhesion technique of silica gel as claimed in claim 2 and PET, which is characterized in that in ultrasonic cleaning step, ultrasonic wave
Scavenging period is 10min, and cleaning temperature is 30 DEG C.
4. the adhesion technique of silica gel as described in claim 1 and PET, which is characterized in that in silica gel preparation process, laser treatment
The concrete processing procedure of step is as follows: carrying out laser treatment by binding face of the laser machine to silica gel；Laser treatment is 2min, place
Reason power is 45% × 1000W.
5. the adhesion technique of silica gel as described in claim 1 and PET, which is characterized in that in silica gel preparation process, at plasma
The concrete processing procedure for managing step is as follows: plasma treatment is carried out to the binding face of silica gel by plasma vacuum machine, when processing
Between be 25min, temperature be 30 DEG C.
6. the adhesion technique of silica gel as described in claim 1 and PET, which is characterized in that in PET preparation process, by the patch of PET
Conjunction face carries out plasma treatment step.
7. the adhesion technique of silica gel as claimed in claim 6 and PET, which is characterized in that in PET preparation process, at plasma
The concrete processing procedure for managing step is as follows: carrying out plasma treatment by binding face of the plasma vacuum machine to PET, handles the time
For 5min, temperature is 30 DEG C.
8. the adhesion technique of silica gel as described in claim 1 and PET, which is characterized in that in adhesion step, it is desirable that pretreatment silicon
Glue and PET are bonded in 30 minutes.
9. the adhesion technique of silica gel as described in claim 1 and PET, which is characterized in that in adhesion step, cured specific place
Reason process is as follows: solidifying under room temperature environment, curing time is 24 hours or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114151.4A CN109397708A (en) | 2018-09-25 | 2018-09-25 | A kind of adhesion technique of silica gel and PET |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114151.4A CN109397708A (en) | 2018-09-25 | 2018-09-25 | A kind of adhesion technique of silica gel and PET |
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| Publication Number | Publication Date |
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| CN109397708A true CN109397708A (en) | 2019-03-01 |
Family
ID=65465933
Family Applications (1)
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|---|---|---|---|
| CN201811114151.4A Pending CN109397708A (en) | 2018-09-25 | 2018-09-25 | A kind of adhesion technique of silica gel and PET |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930106A (en) * | 2021-01-22 | 2021-06-08 | 杭州唯灵医疗科技有限公司 | Flexible electronic equipment and assembling method thereof |
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Application publication date: 20190301 |