CN104945649B - A kind of smooth release mould release membrance of weight in silicone oil face and its production technology - Google Patents
A kind of smooth release mould release membrance of weight in silicone oil face and its production technology Download PDFInfo
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- CN104945649B CN104945649B CN201510307384.6A CN201510307384A CN104945649B CN 104945649 B CN104945649 B CN 104945649B CN 201510307384 A CN201510307384 A CN 201510307384A CN 104945649 B CN104945649 B CN 104945649B
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Abstract
The invention discloses a kind of smooth release mould release membrance of weight in silicone oil face and its production technology, including base material and the silicone oil face that is attached on base material, the composition in silicone oil face by weight, including:45 ~ 60 parts of solvent;18 ~ 22 parts of mould release;0.5 ~ 1 part of curing agent;0.1 ~ 0.5 part of off-type force conditioning agent;1 ~ 3 part of crosslinking agent;Solvent is solvent D 30 and solvent IPA with 3:2 ratio is mixed to get;Mould release is organosilicon silicone grease, fluororesin and microwax with 2:1:0.1 ratio is mixed to get;Crosslinking agent is diisocyanate and Fructus Gleditsia extract with 20:1 ratio is mixed to get.The mould release membrance off-type force of the present invention is high, and uniformity is good, while silicone oil face smooth steady, has weak viscosity, the compound use of the product such as solid thermal melten gel surface, hot-setting adhesive for melting.
Description
Technical field
The present invention relates to mould release membrance field, more particularly to a kind of smooth release mould release membrance of weight in silicone oil face and its production
Technique.
Background technology
Mould release membrance refers to that surface has the film of separating capacity, and mould release membrance contacts under limited conditions with specific material
Afterwards without viscosity, or slight viscosity.Such as applied in base material PET film last layer silicone oil can obtain silicone oil type PET from
Type film, the effect of the silicone oil are to reduce the adhesive force on PET film surface, reach release effect.
According to the size of off-type force, mould release membrance be divided into light release mould release membrance, in release mould release membrance and the release mould release membrance of weight.Weight
Release mould release membrance is generally used for being posted gluing product, the product such as solid thermal melten gel surface, hot-setting adhesive especially for melting
It is used in combination, it is desirable to which the release mould release membrance surface of weight has faint viscosity, ensures that mould release membrance is compound with product perfect, requires simultaneously
Mould release membrance has higher off-type force, and its silicone oil face is smooth, and off-type force is stable everywhere, ensures easily simple, glue during separation
Transfer will not occur and remain in mould release membrance surface.
In order to improve the off-type force of mould release membrance, traditional way is to increase the amount of mould release and off-type force conditioning agent, isolated
The amount of type agent is excessive, then can influence the molecular structure in mould release membrance silicone oil face, makes the stability in whole silicone oil face reduce, and silicone oil face is thick
Rough out-of-flatness, while off-type force differs larger, the lack of homogeneity of off-type force everywhere on silicone oil face.
Therefore, prior art has yet to be improved and developed.
The content of the invention
It is an object of the invention to provide a kind of smooth release mould release membrance of weight in silicone oil face and its production technology, one kind is obtained
The release mould release membrance product of the smooth weight in silicone oil face molecular structure stabilized, silicone oil face.
Technical scheme is as follows:A kind of smooth release mould release membrance of weight in silicone oil face, including base material and it is attached to base
Silicone oil face on material, the composition in the silicone oil face by weight, including:
45 ~ 60 parts of solvent;
18 ~ 22 parts of mould release;
0.5 ~ 1 part of curing agent;
0.1 ~ 0.5 part of off-type force conditioning agent;
1 ~ 3 part of crosslinking agent.
Wherein, solvent is solvent D-30 and solvent IPA with 3:2 ratio is mixed to get;
Wherein, mould release is organosilicon silicone grease, fluororesin and microwax with 2:1:0.1 ratio is mixed to get.
, can be when preparing silicone fluid in order to improve the off-type force of mould release membrance in traditional release film production process
Increase the amount of mould release and off-type force conditioning agent, but with the increase of mould release and the amount of off-type force conditioning agent, silicone oil face
Molecular structure can change, and influence the stability in silicone oil face, and silicone oil face can become coarse, and the off-type force in silicone oil face is uneven
It is even.The present invention changes the technological means of the amount of traditional simple increase mould release, using a variety of mould releases mix, with improve from
The off-type force of type film.But use that organosilicon silicone grease, fluororesin and the mixed mixing mould release of microwax produce to obtain from
The off-type force performance of type film is very unstable, is obtained through test of many times, the off-type force of the mould release membrance ripple in the range of 150 ~ 780g/in
Dynamic, not only off-type force can not reach requirement, and the stability extreme difference of off-type force, not meet the product of the release mould release membrance of weight completely
It is required that.
In order to improve the stability of the off-type force of mould release membrance, crosslinking agent diisocyanate is added into silicone fluid system,
The effect of diisocyanate can make mould release crosslink reaction, to improve the stability of whole system, add two isocyanic acids
Mould release membrance after ester, its off-type force fluctuates between 400 ~ 750g/in, although stability is improved, is still unsatisfactory for needing
Will.In order to further solve the problems, such as the off-type force stability of mould release membrance, inventor adds Fructus Gleditsia extract in system.Soap
Pod Pterostyrax Rosales, pulse family deciduous tree or dungarunga, its fruit are used as articles for washing more, have extraordinary lubricity and stream
Denaturation.The addition of Fructus Gleditsia extract can make the combination of mixing mould release more stable, and the silicone oil face molecular structure of mould release membrance is more
Closely, silicone oil face is more smooth, and the off-type force of the mould release membrance added after Fructus Gleditsia extract is 770 ~ 830g/in.Specifically, the soap
The preparation method of pod extract is as follows:Gleditsia officinalis fruit is taken, is crushed, the clear water that quality is 4 ~ 6 times of crushed material is added, stirs 30 points
Heated sealed 1 hour after clock, after standing cooling, take supernatant to obtain stoste, heating steaming is carried out to stoste using Rotary Evaporators
Hair, until stoste volume reduces 60% ~ 70%, stopping heating, standing is cooled to room temperature, obtains Fructus Gleditsia extract.
After Fructus Gleditsia extract is added, the mould release in silicone fluid can become active, therefore use common curing agent
Resulting solidification effect is undesirable, and curing efficiency is very low, on the other hand, the present invention uses Methyl Hydrogen Polysiloxane Fluid with platinum with 1:
The mixed curing agent that 2 ratio is mixed to prepare, this mixed curing agent is specifically for the silicone fluid body added with Fructus Gleditsia extract
System, improves its solidification effect and curing efficiency, and the silicone oil face after coating forms closely stable molecular structure faster.
In practical application, in order to ensure that mould release membrance can quickly and easily be attached to the solid thermal melten gel surface of melting, heat
On the products such as solid glue, the present invention adds off-type force conditioning agent pressure sensitive adhesive in silicone fluid system, and the addition of pressure sensitive adhesive can make
Silicone oil face carries slight viscosity, is easy to adhere to, while the off-type force of mould release membrance can be adjusted for pressure sensitive adhesive, adds pressure-sensitive
The off-type force of mould release membrance after glue is about 750 ~ 780g/in.
The invention also discloses the production technology of the release mould release membrance of the smooth weight in silicone oil face, comprise the following steps:
A, silicone oil face liquid is prepared.
B, using coating machine by silicone oil face liquid applicator in substrate surface, drying, form silicone oil face.
C, wind, obtain light release film roll.
Wherein, step A comprises the following steps:
A1, by solvent D-30 and solvent IPA with 3:2 ratio mixing, is uniformly mixing to obtain mixed solvent.
A2, by organosilicon silicone grease, fluororesin and microwax with 2:1:0.1 ratio is well mixed, and obtains mixing mould release.
A3, by diisocyanate and Fructus Gleditsia extract with 20:1 ratio is well mixed, and obtains mixed cross-linker.
A4, by Methyl Hydrogen Polysiloxane Fluid and platinum with 1:2 ratio is well mixed, and obtains mixed curing agent.
A5, mould release addition in the mixed solvent will be mixed, and stir 10 minutes, then add mixed cross-linker, continue to stir
Mix 20 minutes, add off-type force conditioning agent, continue stirring 20 minutes, be eventually adding mixed curing agent, persistently stir 30 minutes, obtain
To silicone oil face liquid.
Wherein, in step B, drying temperature is 45 ~ 55 DEG C, and the present invention is directed to the silicone fluid body that with the addition of Fructus Gleditsia extract
System uses low temperature drying, makes the silicone oil face more smooth steady of shaping.
Wherein, in step B, the liquid tank pressure of coating machine is 0.12 ~ 0.15N.
Beneficial effects of the present invention:The present invention using three kinds of mould releases be mixed to prepare a kind of higher weight of off-type force it is release from
Type film, while the crosslinking agent mixed using diisocyanate and Fructus Gleditsia extract improves the stability of the mould release membrance, makes its silicone oil
Face smooth steady, recycle pressure sensitive adhesive that the off-type force of mould release membrance is adjusted, if while making its silicone oil face that there is viscosity.This hair
Bright mould release membrance off-type force is high, and uniformity is good, while silicone oil face smooth steady, has weak viscosity, for the solids hot melt of melting
The compound use of the products such as glue surface, hot-setting adhesive.
Embodiment
To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, one is entered to the present invention by the following examples
Step describes in detail.
Embodiment 1
In the present embodiment, the release mould release membrance of the smooth weight in silicone oil face, including base material and the silicone oil face being attached on base material, should
The composition in silicone oil face by weight, including:
45 parts of solvent;
18 parts of mould release;
0.5 part of curing agent;
0.1 part of pressure sensitive adhesive;
1 part of crosslinking agent;
In the present embodiment, solvent is solvent D-30 and solvent IPA with 3:2 ratio is mixed to get.
In the present embodiment, mould release is organosilicon silicone grease, fluororesin and microwax with 2:1:0.1 ratio is mixed to get.
In the present embodiment, crosslinking agent is diisocyanate and Fructus Gleditsia extract with 20:1 ratio is mixed to get.
In the present embodiment, the preparation method of Fructus Gleditsia extract is as follows:Gleditsia officinalis fruit is taken, is crushed, adds quality to crush
The clear water that 5 times of thing, heated sealed 1 hour after stirring 30 minutes, after standing cooling, takes supernatant to obtain stoste, utilizes rotation to steam
Send out instrument and heating evaporation is carried out to stoste, until stoste volume reduces 65%, stopping heating, standing is cooled to room temperature, obtains Chinese honey locust and carry
Take thing.
In the present embodiment, curing agent is Methyl Hydrogen Polysiloxane Fluid and platinum with 1:2 ratio is mixed to get.
The present embodiment also discloses the production technology of the release mould release membrance of the smooth weight in silicone oil face, comprises the following steps:
A, silicone oil face liquid is prepared.
B, using coating machine by silicone oil face liquid applicator in substrate surface, dried at 50 DEG C, form silicone oil face.
C, wind, obtain light release film roll.
Wherein, step A comprises the following steps:
A1, by solvent D-30 and solvent IPA with 3:2 ratio mixing, is uniformly mixing to obtain mixed solvent.
A2, by organosilicon silicone grease, fluororesin and microwax with 2:1:0.1 ratio is well mixed, and obtains mixing mould release.
A3, by diisocyanate and Fructus Gleditsia extract with 20:1 ratio is well mixed, and obtains mixed cross-linker.
A4, by Methyl Hydrogen Polysiloxane Fluid and platinum with 1:2 ratio is well mixed, and obtains mixed curing agent.
A5, mould release addition in the mixed solvent will be mixed, and stir 10 minutes, then add mixed cross-linker, continue to stir
Mix 20 minutes, add off-type force conditioning agent, continue stirring 20 minutes, be eventually adding mixed curing agent, persistently stir 30 minutes, obtain
To silicone oil face liquid.
Embodiment 2
The present embodiment is substantially same as Example 1, unlike, the silicone oil face of the release mould release membrance of weight of the present embodiment into
Divide by weight, including:
60 parts of solvent;
22 parts of mould release;
1 part of curing agent;
0.5 part of pressure sensitive adhesive;
3 parts of crosslinking agent.
Embodiment 3
The present embodiment is substantially same as Example 1, unlike, the silicone oil face of the release mould release membrance of weight of the present embodiment into
Divide by weight, including:
52 parts of solvent;
20 parts of mould release;
0.8 part of curing agent;
0.3 part of pressure sensitive adhesive;
2 parts of crosslinking agent.
Comparative example 1
This comparative example is substantially same as Example 1, unlike, the silicone oil face of the release mould release membrance of weight of this comparative example into
Divide and use crosslinking agent.
Comparative example 2
This comparative example is substantially same as Example 1, unlike, the silicone oil face of the release mould release membrance of weight of this comparative example into
In point, crosslinking agent uses merely diisocyanate.
Comparative example 3
This comparative example is substantially same as Example 1, unlike, the silicone oil face of the release mould release membrance of weight of this comparative example into
Divide and use pressure sensitive adhesive.
The off-type force of above-described embodiment 1 ~ 3, the mould release membrance of comparative example 1 ~ 3 is tested, the detection method of off-type force:Adopt
Pasted with TESA7475 standard rubbers band and mould release membrance, following table is then participated in 300mm/mn, 180 degree of strippings, test result:
Sample project | Normal temperature RT off-type forces(g/in) | 70 DEG C of aging off-type forces(g/in) | Remaining then rate % | Surface viscosity(g/in) |
Embodiment 1 | 760 | 790 | 92 | 1 |
Embodiment 2 | 763 | 805 | 92 | 1 |
Embodiment 3 | 766 | 809 | 94 | 1 |
Comparative example 1 | 390 | 466 | 72 | 2 |
Comparative example 2 | 602 | 655 | 83 | 2 |
Comparative example 3 | 820 | 872 | 85 | 0 |
The test result of embodiment 1 ~ 3 and the comparison of comparative example 1, it can be seen that add mixed cross-linker(That is two isocyanic acids
Ester and Fructus Gleditsia extract)Afterwards, the off-type force stability of finished product mould release membrance is good, and off-type force is high, and the silicone oil face of mould release membrance is smooth, peels off
Simple and fast, noresidue, performance are good.
Implement 1 ~ 3 compared with the test result of comparative example 1 and 2, it can be seen that after adding Fructus Gleditsia extract, finished product is release
The off-type force stability of film is good, and off-type force improves again, and performance is good.
The test result of embodiment 1 ~ 3 and the comparison of comparative example 3, it can be seen that after adding pressure sensitive adhesive, finished product mould release membrance
Off-type force somewhat reduces(I.e. pressure sensitive adhesive has adjustment effect to off-type force), the silicone oil face of mould release membrance has weak viscosity.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (7)
1. a kind of smooth release mould release membrance of weight in silicone oil face, including base material and the silicone oil face that is attached on base material, it is characterised in that
The composition in the silicone oil face by weight, including:
45 ~ 60 parts of solvent;
18 ~ 22 parts of mould release;
0.5 ~ 1 part of curing agent;
0.1 ~ 0.5 part of off-type force conditioning agent;
1 ~ 3 part of crosslinking agent;
The solvent is solvent D-30 and solvent IPA with 3:2 ratio is mixed to get;
The mould release is organosilicon silicone grease, fluororesin and microwax with 2:1:0.1 ratio is mixed to get;
The crosslinking agent is diisocyanate and Fructus Gleditsia extract with 20:1 ratio is mixed to get;
The preparation method of the Fructus Gleditsia extract is as follows:Gleditsia officinalis fruit is taken, is crushed, adds quality as the clear of 4 ~ 6 times of crushed material
Water, heated sealed 1 hour after stirring 30 minutes, after standing cooling, takes supernatant to obtain stoste, using Rotary Evaporators to stoste
Heating evaporation is carried out, until stoste volume reduces 60% ~ 70%, stopping heating, standing is cooled to room temperature, obtains Fructus Gleditsia extract.
2. the smooth release mould release membrance of weight in silicone oil face according to claim 1, it is characterised in that the curing agent is methyl
Containing hydrogen silicone oil is with platinum with 1:2 ratio is mixed to get.
3. the smooth release mould release membrance of weight in silicone oil face according to claim 1, it is characterised in that the off-type force conditioning agent
For pressure sensitive adhesive.
4. a kind of production technology of the smooth release mould release membrance of weight in silicone oil face as described in claim 1 ~ 3 any one, it is special
Sign is, comprises the following steps:
A, silicone oil face liquid is prepared;
B, using coating machine by silicone oil face liquid applicator in substrate surface, drying, form silicone oil face;
C, wind, obtain light release film roll.
5. the production technology of the smooth release mould release membrance of weight in silicone oil face according to claim 4, it is characterised in that the step
Rapid A comprises the following steps:
A1, by solvent D-30 and solvent IPA with 3:2 ratio mixing, is uniformly mixing to obtain mixed solvent;
A2, by organosilicon silicone grease, fluororesin and microwax with 2:1:0.1 ratio is well mixed, and obtains mixing mould release;
A3, by diisocyanate and Fructus Gleditsia extract with 20:1 ratio is well mixed, and obtains mixed cross-linker;
A4, by Methyl Hydrogen Polysiloxane Fluid and platinum with 1:2 ratio is well mixed, and obtains mixed curing agent;
A5, mould release addition in the mixed solvent will be mixed, and stir 10 minutes, then add mixed cross-linker, continue stirring 20
Minute, off-type force conditioning agent is added, continues stirring 20 minutes, is eventually adding mixed curing agent, persistently stirs 30 minutes, obtains silicon
Pasta liquid.
6. the production technology of the smooth release mould release membrance of weight in silicone oil face according to claim 4, it is characterised in that the step
In rapid B, drying temperature is 45 ~ 55 DEG C.
7. the production technology of the smooth release mould release membrance of weight in silicone oil face according to claim 4, it is characterised in that the step
In rapid B, the liquid tank pressure of coating machine is 0.12 ~ 0.15N.
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CN105601970A (en) * | 2016-01-06 | 2016-05-25 | 湖南尚鑫新材料科技有限公司 | Release film with overweight release force and preparation method thereof |
CN106189559B (en) * | 2016-07-21 | 2018-07-13 | 苏州泰仑电子材料有限公司 | The heavy release film and preparation method thereof of controllable off-type force |
CN107674224A (en) * | 2017-09-22 | 2018-02-09 | 东莞市鼎力薄膜科技有限公司 | Feature mould release membrance of ceramic condenser and preparation method thereof |
CN110358376A (en) * | 2019-07-22 | 2019-10-22 | 安徽屹珹新材料科技有限公司 | A kind of release coating of fluorine element, fluorine element release film and preparation method thereof |
CN116178771B (en) * | 2023-02-22 | 2023-12-15 | 四川群琪科技有限公司 | Release film and preparation method thereof |
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CN104087189A (en) * | 2014-07-08 | 2014-10-08 | 佛山凯仁精密材料有限公司 | Protective film with soft bonding surface and production technique thereof |
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