CN110527439A - A kind of adhesive bonding method of rubber product - Google Patents
A kind of adhesive bonding method of rubber product Download PDFInfo
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- CN110527439A CN110527439A CN201910958876.XA CN201910958876A CN110527439A CN 110527439 A CN110527439 A CN 110527439A CN 201910958876 A CN201910958876 A CN 201910958876A CN 110527439 A CN110527439 A CN 110527439A
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- Prior art keywords
- adhesive
- bonding method
- neoprene
- bonding
- adhesive bonding
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/02—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of adhesive bonding method of rubber product, the adhesive bonding method the following steps are included: (1) by corresponding bonding place wiped clean；(2) adhesive is coated on corresponding bonding place；(3) the correspondence bonding place for being coated with adhesive is blowed with air-heater；(4) corresponding bonding place is bonded, is pressurizeed；Wherein, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp is 70-120 DEG C, blows 10-20s；Wherein, described adhesive is rubber adhesive.The method overcome the drawbacks that bonding time when applying rubber adhesive in the prior art is long, and apply the adhesive bonding method of rubber product of the invention, on the one hand it can be improved the volatilization efficiency of solvent, and improve the speed of bonding, on the other hand, during bonding, the accumulation of moisture can be avoided, so that the intensity of adhesive layer is improved.Adhesive bonding method of the invention can be adapted for a variety of adhesives.
Description
Technical field
The present invention relates to adhesive bonding methods, and in particular, to a kind of adhesive bonding method of rubber product.
Background technique
The adhesive bonding method of existing rubber product, which generally uses, to be coated under field conditions (factors), stands several hours even several days
Time.Because in conventional adhesive bonding method, the solvent used is toluene, because toluene volatilization is slow, lead to the speed of bonding
Slowly.And on the other hand, under even if using the fast solvent that volatilizees, the speed of bonding is improved, but the effect meeting bonded is significant
Drop.This is because although solvent volatilizees, because the volatilization of solvent is too fast, so that excess humidity cohesion is formed very in glue-line
Thin moisture film hinders the progress of bonding.Therefore, how a kind of adhesive bonding method is provided, is overcome in existing adhesive to bonding
The limitation of speed will largely improve the application of adhesive or adhesive bonding method.
Therefore, how adhesive bonding method is further improved, under the premise of guaranteeing the effect of bonding, improves bonding
Speed be current urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of adhesive bonding methods of rubber product, and the method overcome apply rubber in the prior art
The drawback of time length is bonded when viscose binder, and applies the adhesive bonding method of rubber product of the invention, on the one hand can be improved molten
The volatilization efficiency of agent, and the speed of bonding is improved, on the other hand, during bonding, the accumulation of moisture can be avoided, so that viscous
The intensity for closing layer is improved.Adhesive bonding method of the invention can be adapted for a variety of adhesives.
In order to achieve the above technical purposes, the present invention provides a kind of adhesive bonding method of rubber product, the adhesive bonding methods
The following steps are included:
(1) by corresponding bonding place wiped clean；
(2) adhesive is coated on corresponding bonding place；
(3) the correspondence bonding place for being coated with adhesive is blowed with air-heater；
(4) corresponding bonding place is bonded, is pressurizeed；
Wherein, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp is 70-120 DEG C, blows 10-20s；
Wherein, described adhesive is rubber adhesive.
Preferably, pressing time 20-30s, pressure force are not less than 40N.
Preferably, coating method is curtain coating, spraying, roller coating, print painting, airblade coating or frictioning.
Preferably, described adhesive is neoprene adhesive, butadiene-styrene rubber adhesive, one in silicone rubber adhesive
Kind.
Preferably, the content of toluene is not more than 30% in the solvent in adhesive.
In the above technical solution, present invention application air-heater blows the correspondence bonding place for being coated with adhesive
On the one hand wind improves the volatilization efficiency of solvent, improve the rate of drying of adhesive, and on the other hand, temperature improves, and is conducive to
The vulcanizable cures of adhesive moreover prevent the quick volatilization of Conventional solvents, to glue in adhesive layer moisture pockets
The case where degree decline.Moreover, in the present invention, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp 70-120
DEG C, blow 10-20s.The too big meeting of wind pressure in adhesive so that accumulate bubble, and decline viscosity, and temperature is too low, is unfavorable for
Solidification, and temperature is too high, then is unfavorable for safe control, moreover, the dry time is too long, so that cured degree improves, and
It is unfavorable for the bonding on two sides.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
To achieve the goals above, described the present invention provides the present invention provides a kind of adhesive bonding method of rubber product
Adhesive bonding method the following steps are included:
(1) by corresponding bonding place wiped clean；
(2) adhesive is coated on corresponding bonding place；
(3) the correspondence bonding place for being coated with adhesive is blowed with air-heater；
(4) corresponding bonding place is bonded, is pressurizeed；
Wherein, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp is 70-120 DEG C, blows 10-20s；
Wherein, described adhesive is rubber adhesive.
In the above technical solution, present invention application air-heater blows the correspondence bonding place for being coated with adhesive
On the one hand wind improves the volatilization efficiency of solvent, improve the rate of drying of adhesive, and on the other hand, temperature improves, and is conducive to
The vulcanizable cures of adhesive moreover prevent the quick volatilization of Conventional solvents, to glue in adhesive layer moisture pockets
The case where degree decline.Moreover, in the present invention, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp 70-120
DEG C, blow 10-20s.The too big meeting of wind pressure in adhesive so that accumulate bubble, and decline viscosity, and temperature is too low, is unfavorable for
Solidification, and temperature is too high, then is unfavorable for safe control, moreover, the dry time is too long, so that cured degree improves, and
It is unfavorable for the bonding on two sides.
In a kind of preferred embodiment of the present invention, pressing time 20-30s, pressure force is not less than 40N.
In a kind of preferred embodiment of the present invention, coating method be curtain coating, spraying, roller coating, print painting, airblade coating or
Frictioning.
In a kind of preferred embodiment of the present invention, described adhesive is neoprene adhesive, butadiene-styrene rubber bonding
One of agent, silicone rubber adhesive.
In a kind of preferred embodiment of the present invention, it is preferable that the content of toluene is not more than in the solvent in adhesive
30%.When the content of toluene is greater than 30%, it is unfavorable for the control of toluene in air in operation, is unfavorable for environmental protection.
In the above technical solution, present invention application air-heater blows the correspondence bonding place for being coated with adhesive
On the one hand wind improves the volatilization efficiency of solvent, improve the rate of drying of adhesive, and on the other hand, temperature improves, and is conducive to
The vulcanizable cures of adhesive moreover prevent the quick volatilization of Conventional solvents, to glue in adhesive layer moisture pockets
The case where degree decline.Moreover, in the present invention, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp 70-120
DEG C, blow 10-20s.The too big meeting of wind pressure in adhesive so that accumulate bubble, and decline viscosity, and temperature is too low, is unfavorable for
Solidification, and temperature is high, is unfavorable for safe control, moreover, the dry time is too long, so that cured degree improves, without
Conducive to the bonding on two sides.
It is illustrated in the present invention with the newly developed neoprene adhesive of the present invention.
The preparation of neoprene adhesive:
Formula: in terms of mass parts, relative to 100 parts of composition A, the dosage of composition B is 40 parts, refers to the dosage of rosin
It is 8 parts, the dosage of aziridine is 10 parts, and the dosage of magnesia is 2 parts, and the dosage of zinc oxide is 2 parts
(1) by neoprene (neoprene be elongation at break be 850%, rebound degree is 60% and hardness is
The neoprene of 70ShoreA) it is ground, hexamethylene is added and stirs to neoprene and sufficiently dissolves, the quality of neoprene is dense
Degree is 50%, obtains composition A；
(2) by nitroso-fluoro-elastomers raw rubber (inherent viscosity 0.05dLg-1, physical aspect is liquid form, has room
Warm flowability) it is dissolved in dimethoxymethane with 50% mass concentration and is configured to solution, obtain composition B；
(3) by composition A, composition B, refer to that rosin, aziridine, magnesia and zinc oxide mix, obtain neoprene bonding
Agent.
Using above-mentioned neoprene adhesive to be bonded:
(1) by corresponding bonding place wiped clean；
(2) neoprene adhesive is coated on corresponding bonding place；
(3) the correspondence bonding place for being coated with adhesive is blowed with air-heater, wind pressure 0.5kg/cm2, wind-warm syndrome out
Degree is 90 DEG C, blows 15s.
(4) corresponding bonding place is bonded, is pressurizeed, pressure 60N presses 5min.
Peel strength is detected according to GB/T2791-1995, sample substrate is rubber, and through detecting, peel strength is in 6.2kN/
M, peel strength is 6.6kN/m after 48 hours, is placed 3 months under room temperature, and peel strength is substantially unchanged, and in 68 DEG C of environment
Lower to place 50 days, the peel strength of sample is not remarkably decreased, and the range of decrease is no more than 7%.
And in conventional adhesive bonding method, after pressing 5-8min, intensity is only 4.8kN/m.
As it can be seen that the correspondence bonding place for being coated with adhesive is blowed in present invention application air-heater, on the one hand improve
The volatilization efficiency of solvent improves the rate of drying of adhesive, and on the other hand, temperature improves, and the vulcanization for being conducive to adhesive is solid
Change, moreover, the quick volatilization of Conventional solvents is prevented, the case where adhesive layer moisture pockets decline viscosity.
Moreover, in the present invention, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp is 70-120 DEG C, blows 10-20s.
The too big meeting of wind pressure in adhesive so that accumulate bubble, and decline viscosity, and temperature is too low, is unfavorable for solidifying, and temperature
Gao Liao is unfavorable for safe control, moreover, the dry time is too long, so that cured degree improves, and is unfavorable for the viscous of two sides
It closes.
It is verified, using adhesive bonding method of the invention, even if being bonded using existing butadiene-styrene rubber adhesive, silicon rubber
Agent can also greatly improve adhesion efficiency.Applicable adhesive is neoprene adhesive, butadiene-styrene rubber adhesive, silicon rubber
One of adhesive.
In the technical solution of the preparation of above-mentioned neoprene adhesive, it is preferable that hexane hydrocarbon solvent be n-hexane,
The mixed liquor that hexamethylene is formed with 1:2-3.
In terms of mass parts, relative to 100 parts of composition A, the dosage of composition B is 40-50 parts, the dosage of tackifying resin
It is 8-10 parts, the dosage of crosslinking agent is 10-15 parts, and the dosage of magnesia is 2-3 parts, and the dosage of zinc oxide is 2-3 parts.
Tackifying resin refers to rosin, newtrex, rosin glycerides, pentalyn, Petropols, terpene resin
At least one of with rosin modified phenolic resin.
The neoprene be elongation at break be 850-1000%, rebound degree is 60-80% and hardness is 55-
The neoprene of 70ShoreA；Wherein, the inherent viscosity of the nitroso-fluoro-elastomers raw rubber is 0.05-0.06dLg-1, physics
Form is liquid form, has room temperature flowability；Wherein, the crosslinking agent be organic multicomponent amine, low molecular polyether amine,
One of aziridine, polycarbodiimide or any two or more combination.
Using above-mentioned neoprene adhesive and adhesive bonding method of the invention is combined, can be further improved the effect of bonding
Rate, moreover, the intensity of the bonding of obtained adhesive layer is also above the viscous and intensity bonded in natural situation.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of adhesive bonding method of rubber product, which is characterized in that the adhesive bonding method the following steps are included:
(1) by corresponding bonding place wiped clean；
(2) adhesive is coated on corresponding bonding place；
(3) the correspondence bonding place for being coated with adhesive is blowed with air-heater；
(4) corresponding bonding place is bonded, is pressurizeed；
Wherein, the wind pressure of air-heater is 0.3-0.8kg/cm2, leaving air temp is 70-120 DEG C, blows 10-20s；
Wherein, described adhesive is rubber adhesive.
2. adhesive bonding method according to claim 1, wherein pressing time 20-30s, pressure force are not less than 40N.
3. adhesive bonding method according to claim 1, wherein coating method is curtain coating, spraying, roller coating, print painting, airblade coating
Or frictioning.
4. adhesive bonding method according to claim 1, wherein described adhesive is neoprene adhesive, butadiene-styrene rubber is viscous
One of mixture, silicone rubber adhesive.
5. adhesive bonding method according to claim 4, wherein the content of toluene is not more than 30% in the solvent in adhesive.
6. adhesive bonding method according to claim 4, wherein neoprene adhesive obtains by the following method:
(1) neoprene is ground, hexane hydrocarbon solvent is added and stirs to neoprene and sufficiently dissolves, the matter of neoprene
Amount concentration is 50-60%, obtains composition A；
(2) nitroso-fluoro-elastomers raw rubber is dissolved in dimethoxymethane with the mass concentration of 50-60% and is configured to solution, obtained
Composition B；
(3) composition A, composition B, tackifying resin, crosslinking agent, magnesia and zinc oxide are mixed, obtains neoprene adhesive.
7. adhesive bonding method according to claim 6, wherein hexane hydrocarbon solvent is n-hexane, hexamethylene is formed with 1:2-3
Mixed liquor.
8. adhesive bonding method according to claim 6, wherein in terms of mass parts, relative to 100 parts of composition A, composition
The dosage of B is 40-50 parts, and the dosage of tackifying resin is 8-10 parts, and the dosage of crosslinking agent is 10-15 parts, and the dosage of magnesia is
2-3 parts, the dosage of zinc oxide is 2-3 parts.
9. adhesive bonding method according to claim 6, wherein tackifying resin refer to rosin, newtrex, rosin glycerides,
At least one of pentalyn, Petropols, terpene resin and rosin modified phenolic resin.
10. adhesive bonding method according to claim 6, wherein the neoprene be elongation at break be 850-1000%,
The neoprene that rebound degree is 60-80% and hardness is 55-70ShoreA；Wherein, the spy of the nitroso-fluoro-elastomers raw rubber
Property viscosity be 0.05-0.06dLg-1, physical aspect is liquid form, has room temperature flowability；Wherein, the crosslinking agent
For one of organic multicomponent amine, low molecular polyether amine, aziridine, polycarbodiimide or any two or more group
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910958876.XA CN110527439A (en) | 2019-10-10 | 2019-10-10 | A kind of adhesive bonding method of rubber product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910958876.XA CN110527439A (en) | 2019-10-10 | 2019-10-10 | A kind of adhesive bonding method of rubber product |
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| CN110527439A true CN110527439A (en) | 2019-12-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833483A (en) * | 2016-12-29 | 2017-06-13 | 芜湖研高粘胶新材料有限公司 | A kind of polyurethane sealant of water-tolerant |
| CN106833467A (en) * | 2016-12-29 | 2017-06-13 | 芜湖研高粘胶新材料有限公司 | A kind of electrical apparatus insulation fluid sealant |
| CN107699193A (en) * | 2017-08-31 | 2018-02-16 | 毕同召 | A kind of fast-drying type cable core sizing adhesive and preparation method thereof |
| CN108504292A (en) * | 2018-05-11 | 2018-09-07 | 芜湖风雪橡胶有限公司 | A kind of adhesive bonding method of rubber product |
-
2019
- 2019-10-10 CN CN201910958876.XA patent/CN110527439A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833483A (en) * | 2016-12-29 | 2017-06-13 | 芜湖研高粘胶新材料有限公司 | A kind of polyurethane sealant of water-tolerant |
| CN106833467A (en) * | 2016-12-29 | 2017-06-13 | 芜湖研高粘胶新材料有限公司 | A kind of electrical apparatus insulation fluid sealant |
| CN107699193A (en) * | 2017-08-31 | 2018-02-16 | 毕同召 | A kind of fast-drying type cable core sizing adhesive and preparation method thereof |
| CN108504292A (en) * | 2018-05-11 | 2018-09-07 | 芜湖风雪橡胶有限公司 | A kind of adhesive bonding method of rubber product |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |
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| RJ01 | Rejection of invention patent application after publication |