CN104130739A - Low stripping force PET (polyethylene terephthalate) protective film pressure sensitive adhesive and preparation method thereof - Google Patents
Low stripping force PET (polyethylene terephthalate) protective film pressure sensitive adhesive and preparation method thereof Download PDFInfo
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- CN104130739A CN104130739A CN201410305441.2A CN201410305441A CN104130739A CN 104130739 A CN104130739 A CN 104130739A CN 201410305441 A CN201410305441 A CN 201410305441A CN 104130739 A CN104130739 A CN 104130739A
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- pressure sensitive
- sensitive adhesive
- stripping force
- low stripping
- protective membrane
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Abstract
The invention belongs to the technical field of organosilicone pressure sensitive materials, and discloses a low stripping force PET (polyethylene terephthalate) protective film pressure sensitive adhesive and a preparation method thereof. The low stripping force PET (polyethylene terephthalate) protective film pressure sensitive adhesive is composed of the following components in parts by weight: 50-80 parts of base gum; 20-50 parts of modified MQ resin; 1-3 parts of hydrogen-containing silicone oil; 0.1-0.3 part of an inhibitor and 3-4.5 parts of a catalyst; the preparation method comprises the following the following steps: (1) mixing the base gum and the modified MQ resin, and adding the catalyst, mixing and stirring evenly; (2) then adding the inhibitor, mixing and stirring evenly; and (3) adding the hydrogen-containing silicone oil, mixing and stirring evenly to obtain the low stripping force PET protective film pressure sensitive adhesive. The low stripping force PET protective film pressure sensitive adhesive has excellent adhesion to a substrate, also has low and stable stripping force, and has high economic value.
Description
Technical field
The invention belongs to organosilicon pressure sensitive technical field, be specifically related to a kind of PET protective membrane pressure sensitive adhesive with low stripping force and preparation method thereof.
Background technology
Pressure sensitive adhesive is the abbreviation of pressure-sensitive adhesive, that a class has the tackiness agent that pressure is had to susceptibility, mainly for the preparation of Pressuresensitive Tape, be widely used in the fields such as packing, electric appliance and electronic, building, health care, automobile and family life articles for use, play various bonding effects.
In the preparation of organic pressure-sensitive gel, mainly comprise two chief components: organic silica-based glue and as the silicone resin of tackifier, both can be cross-linked by condensation reaction.And the performance of organic pressure-sensitive gel depends on many factors, comprise composition, molecular weight, the crosslinking degree of base glue and resin, and concrete resin structure.Silicone resin generally adopts organosilicon MQ resin, after reacting with base glue, can reach the object of tackify and increase force of cohesion.The performance of the finished product, comprises peeling force, initial bonding strength, holds viscosity and temperature tolerance etc., except being subject to composition own and consumption impact, and the impact that also can receive coating and condition of cure.
In the preparation method of existing disclosed pressure sensitive adhesive, people, in order to reach enhancing performance in a certain respect, tend to bring the defect of other side.As added organosilicon wet goods additive in order to improve the fast viscosity after pressure sensitive adhesive solidifies, but can make the temperature tolerance of pressure sensitive adhesive greatly reduce; For improving temperature tolerance and peeling force application alkoxyl group alkane as cross-linking set, curing speed and stability etc. have but been reduced.
Summary of the invention
In order to overcome the shortcoming and deficiency of prior art, primary and foremost purpose of the present invention is to provide a kind of PET protective membrane pressure sensitive adhesive with low stripping force;
Another object of the present invention is to provide the above-mentioned preparation method with the PET protective membrane pressure sensitive adhesive of low stripping force.
Object of the present invention is achieved through the following technical solutions:
A PET protective membrane pressure sensitive adhesive with low stripping force, its composition of raw materials is comprised of the each component of following parts by weight:
Wherein, described base glue is vinyl silicone oil, and structural formula is as shown in general formula (I):
In above-mentioned general formula (I), m=500～1000, n=0～20.
Preferably, described modification MQ resin is vinyl MQ resin;
Preferably, the structural formula of described containing hydrogen silicone oil is as shown in general formula (II):
In above-mentioned general formula (II), p=30～50;
Preferably, described inhibitor is 3,5-dimethyl-1-hexin-3-alcohol or 2-propine-1-alcohol;
Preferably, described catalyzer is platinum catalyst; Preferred, described platinum catalyst is Karst platinum catalyst, and platinum content is 3000pmm.
The preparation method of the above-mentioned PET protective membrane pressure sensitive adhesive with low stripping force, comprises the steps:
(1) first by described base glue and modification MQ mixed with resin, then add catalyst mix to stir;
(2) then add inhibitor, mixing and stirring;
(3) add described containing hydrogen silicone oil, mixing and stirring, has the PET protective membrane pressure sensitive adhesive of low stripping force described in obtaining again.
In above-mentioned preparation method, the time of the described mix and blend of step (1) is 5～10 minutes; The time of the described mix and blend of step (2) is 5～10 minutes; The time of the described mix and blend of step (3) is 5～10 minutes.
The present invention has following advantage and effect with respect to prior art:
The present invention, by selecting suitable base glue and resin, determines the contamination of all the other components, formulates rational synthetic method and condition, obtains having the PET protective membrane pressure sensitive adhesive of low stripping force.Pressure sensitive adhesive of the present invention has excellent cementability to base material, also has compared with low and stable peeling force, has very high economic worth; The method of the invention preparation process is simple, and operational path is short, and condition is controlled convenient, is conducive to technique and promotes.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
A PET protective membrane pressure sensitive adhesive with low stripping force, its composition of raw materials is comprised of the each component of following parts by weight:
Wherein, described base glue is vinyl silicone oil, and structural formula is as shown in general formula (I):
In above-mentioned general formula (I), m=600, n=3
Described modification MQ resin is vinyl MQ resin;
The structural formula of described containing hydrogen silicone oil is as shown in general formula (II):
In above-mentioned general formula (II), p=45;
Described inhibitor is 3,5-dimethyl-1-hexin-3-alcohol;
Described catalyzer Karst platinum catalyst, platinum content is 3000pmm.
The preparation method of the above-mentioned PET protective membrane pressure sensitive adhesive with low stripping force, comprises the steps:
(1) first by described base glue and modification MQ mixed with resin, then add catalyst mix to stir;
(2) then add inhibitor, mixing and stirring;
(3) add described containing hydrogen silicone oil, mixing and stirring, has the PET protective membrane pressure sensitive adhesive of low stripping force described in obtaining again.
In above-mentioned preparation method, the time of the described mix and blend of step (1) is 5 minutes; The time of the described mix and blend of step (2) is 8 minutes; The time of the described mix and blend of step (3) is 10 minutes.
Embodiment 2
A PET protective membrane pressure sensitive adhesive with low stripping force, its composition of raw materials is comprised of the each component of following parts by weight:
Wherein, described base glue is vinyl silicone oil, and structural formula is as shown in general formula (I):
In above-mentioned general formula (I), m=600, n=3
Described modification MQ resin is vinyl MQ resin;
The structural formula of described containing hydrogen silicone oil is as shown in general formula (II):
In above-mentioned general formula (II), p=45;
Described inhibitor is 2-propine-1-alcohol;
Described catalyzer Karst platinum catalyst, platinum content is 3000pmm.
The preparation method of the above-mentioned PET protective membrane pressure sensitive adhesive with low stripping force, comprises the steps:
(1) first by described base glue and modification MQ mixed with resin, then add catalyst mix to stir;
(2) then add inhibitor, mixing and stirring;
(3) add described containing hydrogen silicone oil, mixing and stirring, has the PET protective membrane pressure sensitive adhesive of low stripping force described in obtaining again.
In above-mentioned preparation method, the time of the described mix and blend of step (1) is 10 minutes; The time of the described mix and blend of step (2) is 10 minutes; The time of the described mix and blend of step (3) is 5 minutes.
Embodiment 3
A PET protective membrane pressure sensitive adhesive with low stripping force, its composition of raw materials is comprised of the each component of following parts by weight:
Wherein, described base glue is vinyl silicone oil, and structural formula is as shown in general formula (I):
In above-mentioned general formula (I), m=600, n=3.
Described modification MQ resin is vinyl MQ resin;
The structural formula of described containing hydrogen silicone oil is as shown in general formula (II):
In above-mentioned general formula (II), p=45;
Described inhibitor is 3,5-dimethyl-1-hexin-3-alcohol;
Described catalyzer Karst platinum catalyst, platinum content is 3000pmm.
The preparation method of the above-mentioned PET protective membrane pressure sensitive adhesive with low stripping force, comprises the steps:
(1) first by described base glue and modification MQ mixed with resin, then add catalyst mix to stir;
(2) then add inhibitor, mixing and stirring;
(3) add described containing hydrogen silicone oil, mixing and stirring, has the PET protective membrane pressure sensitive adhesive of low stripping force described in obtaining again.
In above-mentioned preparation method, the time of the described mix and blend of step (1) is 7 minutes; The time of the described mix and blend of step (2) is 5 minutes; The time of the described mix and blend of step (3) is 9 minutes.
Embodiment 4
A PET protective membrane pressure sensitive adhesive with low stripping force, its composition of raw materials is comprised of the each component of following parts by weight:
Wherein, described base glue is vinyl silicone oil, and structural formula is as shown in general formula (I):
In above-mentioned general formula (I), m=500, n=0.
Described modification MQ resin is vinyl MQ resin;
The structural formula of described containing hydrogen silicone oil is as shown in general formula (II):
In above-mentioned general formula (II), p=50;
Described inhibitor is 3,5-dimethyl-1-hexin-3-alcohol;
Described catalyzer Karst platinum catalyst, platinum content is 3000pmm.
The preparation method of the above-mentioned PET protective membrane pressure sensitive adhesive with low stripping force, comprises the steps:
(1) first by described base glue and modification MQ mixed with resin, then add catalyst mix to stir;
(2) then add inhibitor, mixing and stirring;
(3) add described containing hydrogen silicone oil, mixing and stirring, has the PET protective membrane pressure sensitive adhesive of low stripping force described in obtaining again.
In above-mentioned preparation method, the time of the described mix and blend of step (1) is 8 minutes; The time of the described mix and blend of step (2) is 8 minutes; The time of the described mix and blend of step (3) is 10 minutes.
Embodiment 5
A PET protective membrane pressure sensitive adhesive with low stripping force, its composition of raw materials is comprised of the each component of following parts by weight:
Wherein, described base glue is vinyl silicone oil, and structural formula is as shown in general formula (I):
In above-mentioned general formula (I), m=1000, n=20.
Described modification MQ resin is vinyl MQ resin;
The structural formula of described containing hydrogen silicone oil is as shown in general formula (II):
In above-mentioned general formula (II), p=30;
Described inhibitor is 2-propine-1-alcohol;
Described catalyzer Karst platinum catalyst, platinum content is 3000pmm.
The preparation method of the above-mentioned PET protective membrane pressure sensitive adhesive with low stripping force, comprises the steps:
(1) first by described base glue and modification MQ mixed with resin, then add catalyst mix to stir;
(2) then add inhibitor, mixing and stirring;
(3) add described containing hydrogen silicone oil, mixing and stirring, has the PET protective membrane pressure sensitive adhesive of low stripping force described in obtaining again.
In above-mentioned preparation method, the time of the described mix and blend of step (1) is 10 minutes; The time of the described mix and blend of step (2) is 6 minutes; The time of the described mix and blend of step (3) is 5 minutes.
Performance test:
The PET protective membrane pressure sensitive adhesive with low stripping force of embodiment 1, embodiment 2 and embodiment 3 gained is coated on PET film; carry out performance test; test event comprises: tack (GBT4852-2002), hold viscosity (GBT4851-1998), peeling force and stripping strength (GBT2792-1998), test result is as shown in table 1:
Each embodiment of table 1. has the performance test results of the PET protective membrane pressure sensitive adhesive of low stripping force
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Tack | Nothing | Nothing | Nothing |
| Hold viscosity (mm or h) | Come off | Come off | Come off |
| Whether coating has comes off | No | No | No |
| Stripping strength (Nm -1) | 1.2 | 4.5 | 7.2 |
Wherein: hold in adhering performance result, if hold viscosity more than 24h, with the displacement on test panel, represent; If lower than 24h, to depart from the time representation of beta version.
As can be seen from the table; when the PET protective membrane pressure sensitive adhesive with low stripping force of the present invention has good bonding to PET base material; also there is lower peeling force; because this orientating products is in the application of low bonding force PET protective membrane, thus its initial bonding strength with hold viscous force and do not meet existing pressure sensitive adhesive testing standard.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (8)
1. a PET protective membrane pressure sensitive adhesive with low stripping force, has described in it is characterized in that the composition of raw materials of the PET protective membrane pressure sensitive adhesive of low stripping force is comprised of the each component of following parts by weight:
Wherein, described base glue is vinyl silicone oil, and structural formula is as shown in general formula (I):
In above-mentioned general formula (I), m=500～1000, n=0～20.
2. the PET protective membrane pressure sensitive adhesive with low stripping force according to claim 1, is characterized in that: described modification MQ resin is vinyl MQ resin.
3. the PET protective membrane pressure sensitive adhesive with low stripping force according to claim 1, is characterized in that: the structural formula of described containing hydrogen silicone oil is as shown in general formula (II):
In above-mentioned general formula (II), p=30～50.
4. the PET protective membrane pressure sensitive adhesive with low stripping force according to claim 1, is characterized in that: described inhibitor is 3,5-dimethyl-1-hexin-3-alcohol or 2-propine-1-alcohol.
5. the PET protective membrane pressure sensitive adhesive with low stripping force according to claim 1, is characterized in that: described catalyzer is platinum catalyst.
6. the PET protective membrane pressure sensitive adhesive with low stripping force according to claim 5, is characterized in that: described platinum catalyst is Karst platinum catalyst, and platinum content is 3000pmm.
7. according to a preparation method for the PET protective membrane pressure sensitive adhesive with low stripping force described in claim 1～6 any one, it is characterized in that comprising the steps:
(1) first by described base glue and modification MQ mixed with resin, then add catalyst mix to stir;
(2) then add inhibitor, mixing and stirring;
(3) add described containing hydrogen silicone oil, mixing and stirring, has the PET protective membrane pressure sensitive adhesive of low stripping force described in obtaining again.
8. the preparation method with the PET protective membrane pressure sensitive adhesive of low stripping force according to claim 7, is characterized in that: the time of the described mix and blend of step (1) is 5～10 minutes; The time of the described mix and blend of step (2) is 5～10 minutes; The time of the described mix and blend of step (3) is 5～10 minutes.
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| CN201410305441.2A CN104130739B (en) | 2014-06-29 | 2014-06-29 | A kind of PET protection film pressure sensitive adhesive with low stripping force and preparation method thereof |
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| CN104130739B CN104130739B (en) | 2016-01-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106893521A (en) * | 2017-04-11 | 2017-06-27 | 上海晶华胶粘新材料股份有限公司 | A kind of high temperature resistant paper based adhesive tape and its preparation technology |
| CN113845861A (en) * | 2021-09-30 | 2021-12-28 | 苏州世华新材料科技股份有限公司 | Low-climbing organic silicon protective film and preparation method thereof |
| CN114311917A (en) * | 2021-12-20 | 2022-04-12 | 深圳市瑞昌星科技有限公司 | Macromolecular slightly-sticky buffer film and manufacturing method thereof |
| CN116640528A (en) * | 2023-05-08 | 2023-08-25 | 极天羽技术股份有限公司 | Single-layer silica gel protective film and preparation method thereof |
| CN114311917B (en) * | 2021-12-20 | 2024-04-23 | 深圳市瑞昌星科技有限公司 | Polymer micro-adhesion buffer film and manufacturing method thereof |
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| CN102174309A (en) * | 2011-01-13 | 2011-09-07 | 深圳市森日有机硅材料有限公司 | Solvent-free organic silicon pressure-sensitive adhesive and preparation method thereof |
| CN103602308A (en) * | 2013-11-13 | 2014-02-26 | 江苏创景科技有限公司 | Pressure-sensitive adhesion type double-component low-thermal-resistance room-temperature curing organic silicon thermal conductive adhesive |
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| CN102174309A (en) * | 2011-01-13 | 2011-09-07 | 深圳市森日有机硅材料有限公司 | Solvent-free organic silicon pressure-sensitive adhesive and preparation method thereof |
| CN103602308A (en) * | 2013-11-13 | 2014-02-26 | 江苏创景科技有限公司 | Pressure-sensitive adhesion type double-component low-thermal-resistance room-temperature curing organic silicon thermal conductive adhesive |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106893521A (en) * | 2017-04-11 | 2017-06-27 | 上海晶华胶粘新材料股份有限公司 | A kind of high temperature resistant paper based adhesive tape and its preparation technology |
| CN113845861A (en) * | 2021-09-30 | 2021-12-28 | 苏州世华新材料科技股份有限公司 | Low-climbing organic silicon protective film and preparation method thereof |
| CN114311917A (en) * | 2021-12-20 | 2022-04-12 | 深圳市瑞昌星科技有限公司 | Macromolecular slightly-sticky buffer film and manufacturing method thereof |
| CN114311917B (en) * | 2021-12-20 | 2024-04-23 | 深圳市瑞昌星科技有限公司 | Polymer micro-adhesion buffer film and manufacturing method thereof |
| CN116640528A (en) * | 2023-05-08 | 2023-08-25 | 极天羽技术股份有限公司 | Single-layer silica gel protective film and preparation method thereof |
| CN116640528B (en) * | 2023-05-08 | 2024-01-30 | 极天羽技术股份有限公司 | Single-layer silica gel protective film and preparation method thereof |
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| CN104130739B (en) | 2016-01-13 |
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