CN104085139A - Easily released film with smooth silicone oil surface and production process thereof - Google Patents
Easily released film with smooth silicone oil surface and production process thereof Download PDFInfo
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- CN104085139A CN104085139A CN201410322495.XA CN201410322495A CN104085139A CN 104085139 A CN104085139 A CN 104085139A CN 201410322495 A CN201410322495 A CN 201410322495A CN 104085139 A CN104085139 A CN 104085139A
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Abstract
The invention discloses an easily released film with a smooth silicone oil surface and a production process thereof. The easily released film comprises a base material and the silicone oil surface adhered to the surface of the base material, wherein the silicone oil surface comprises the following components in parts by weight: 11000 parts of a solvent, 2000 parts of a release agent, 72 parts of a cross-linking agent, 26 parts of a solidifying agent and 10 parts of a release force regulating agent; the solvent comprises one or a mixture of multiple of a solvent D-120, a solvent D-30, a solvent MEK (methyl ethyl ketone) and a solvent IPA (iso propyle alcohol); the release agent is formed by mixing a release agent A and a release agent B, the release agent A is a 9106-form release agent or a 9104-form release agent, and the release agent B is 7458-form release agent or a 7226-form release agent; the cross-linking agent comprises one or a mixture of multiple of a 7689-form cross-linking agent, a 7672-form cross-linking agent and a 9176-form cross-linking agent. The easily released film has the beneficial effects that the silicone oil surface is smooth, the release force is small, the silicone oil surface is easy to separate, no silicone oil residue is left on a rubber belt after the separation, the performance of the film is stable, and the yield is high.
Description
Technical field
The present invention relates to a kind of light release mould release membrance and production technology, in particular level and smooth light release mould release membrance and the production technology thereof of a kind of silicone oil face.
Background technology
Mould release membrance refers to that surface has film separatory, and mould release membrance does not have viscosity after contacting under limited condition with specific material, or slight viscosity.For example on ground PET film, be coated with last layer silicone oil and can obtain silicone oil type PET mould release membrance, the effect of this silicone oil is the adhesive force that reduces PET film surface, reaches release effect.
On market, the off-type force of existing light release mould release membrance (peeling force) is generally 6-8 g/in, uses without base material two-sided tape for 3M467.Because 3M467 is stronger without the viscosity of base material two-sided tape, and the silicone oil face of existing light release mould release membrance is comparatively coarse, not easily separated after both laminatings, and after separating by force, the silicone oil face being attached on PET ground easily comes off and remains on adhesive tape.
In addition, the silicone oil face of existing light release mould release membrance generally adopts a kind of mould release to make, and single mould release is produced the silicone oil face interior molecules obtaining in conjunction with loose, less stable, and silicone oil face easily comes off.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide light release mould release membrance and production technology thereof that a kind of silicone oil face is level and smooth, the silicone oil face that is intended to solve traditional light release mould release membrance is coarse, the technical problem of the weak effect separating with adhesive tape.
Technical scheme of the present invention is as follows: the light release mould release membrance that a kind of silicone oil face is level and smooth, and comprise ground and be attached to the silicone oil face of surface of bottom material, wherein, described silicone oil face component by weight, comprising:
11000 ± 220 parts of solvents;
2000 ± 20 parts of mould releases;
72 ± 0.072 parts of crosslinking agents;
26 ± 0.026 parts, curing agent;
10 ± 0.01 parts of off-type force conditioning agents;
Described solvent comprises one or more mixing in solvent D-120, solvent D-30, solvent MEK or solvent IPA;
Described mould release is that mould release A and mould release B mix; Described mould release A is 9106 type mould releases or 9104 type mould releases; Described mould release B is 7458 type mould releases or 7226 type mould releases;
Described crosslinking agent comprises one or more mixing in 7689 type crosslinking agents, 7672 type crosslinking agents or 9176 type crosslinking agents.
The light release mould release membrance that described silicone oil face is level and smooth, wherein, described mould release A is 9106 type mould releases, mould release B is 7458 type mould releases; The mixed proportion of described mould release A and mould release B is 1:1.
The light release mould release membrance that described silicone oil face is level and smooth, wherein, described solvent comprises solvent D-120, solvent D-30, solvent MEK and tetra-kinds of solvent of solvent IPA, its mixed proportion is 2.5:2.5:5:1.
The light release mould release membrance that described silicone oil face is level and smooth, wherein, described crosslinking agent comprises that 7689 type crosslinking agents, 7672 type crosslinking agents and three kinds of crosslinking agents of 9176 type crosslinking agents mix, its mixed proportion is 20:5:11.
The light release mould release membrance that described silicone oil face is level and smooth, wherein, described curing agent is 4000 type curing agent.
The light release mould release membrance that described silicone oil face is level and smooth, wherein, described off-type force conditioning agent is 7200 type off-type force conditioning agents.
The production technology of the light release mould release membrance that described silicone oil face is level and smooth, wherein, comprises the following steps:
A: prepare silicon pasta liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in to surface of bottom material, dry, form silicone oil face;
C: rolling, obtains light release mould release membrance volume.
The production technology of the light release mould release membrance that described silicone oil face is level and smooth, wherein, described step a comprises the following steps:
A1: prepare solvent, solvent D-120, solvent D-30, solvent MEK and solvent IPA are mixed, obtain mixed solvent;
A2: 9106 type mould releases, 7689 type crosslinking agents and 7672 type crosslinking agents are put into agitator, get 40% of mixed solvent amount, pour in agitator, stir;
A3: 7458 type mould releases and 9176 type crosslinking agents are added in agitator, get 50% of mixed solvent amount, pour in agitator, stir 10 minutes;
A4: get 5% of mixed solvent amount, dilution 7200 type off-type force conditioning agents, after dilution, add 7200 type off-type force conditioning agents in agitator, stir 20 minutes;
A5: get 5% of mixed solvent amount, dilution 4000 type curing agent, after dilution, add 4000 type curing agent in agitator, continue to stir 15 minutes, obtain silicone oil face liquid.
The production technology of the light release mould release membrance that described silicone oil face is level and smooth, wherein, in described step b, the liquid tank pressure of coating machine is 0.05-0.1N.
Beneficial effect of the present invention: the silicone oil face liquid of mould release membrance of the present invention adopts two kinds of different mould releases to make, corresponding different two kinds of mould releases of crosslinking agent and this of employing react simultaneously, finally mix, obtain a kind of molecular structure tight, stable silicone oil face liquid, utilize this silicone oil face liquid to coordinate production technology of the present invention to produce the silicone oil face of the light release mould release membrance obtaining level and smooth, its off-type force is 3-5g/in, this light release mould release membrance contacts with adhesive tape, level and smooth silicone oil face is than traditional coarse silicone oil face, the area contacting with adhesive tape is less, be more prone to separate.It is stable that the present invention produces the product property obtaining in addition, and after tested, the off-type force of 99.9% product is all in 3-5g/in interval.
Brief description of the drawings
Fig. 1 is the structural representation of the light release mould release membrance that in the present invention, silicone oil face is level and smooth.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
The invention discloses the light release mould release membrance that a kind of silicone oil face is level and smooth, its structure as shown in Figure 1, comprises ground 100 and is attached to the silicone oil face 200 of surface of bottom material.Because the silicone oil face of traditional light release mould release membrance is very coarse, the area contacting with adhesive tape is large, is therefore adhered by adhesive tape, not easily separated, when when being torn energetically, and silicone oil face cracky, silicone oil material easily remains in tape surface.The present invention has improved the structure of silicon layer, adopts two kinds of mould releases to make silicone oil face, and corresponding different two kinds of mould releases of crosslinking agent and this of employing react simultaneously, finally mix, and obtain tight, the stable silicone oil face of a kind of molecular structure.Below, by embodiment, the present invention will be described in detail.
Embodiment 1
The present embodiment discloses the light release mould release membrance that a kind of silicone oil face is level and smooth, and the component of its silicone oil face by weight, comprising:
11000 parts of solvents;
2000 parts of mould releases;
72 parts of crosslinking agents;
26 parts, curing agent;
10 parts of off-type force conditioning agents;
In the present embodiment, solvent comprises solvent D-120, solvent D-30, solvent MEK and tetra-kinds of mixing of solvent IPA, and its mixed proportion is 2.5:2.5:5:1.
In the present embodiment, mould release is that mould release A and mould release B mix, and mixed proportion is 1:1; Concrete mould release A is 9106 type mould releases, for example, can adopt 9106 type mould releases of Dow Corning Corporation; Mould release B is 7458 type mould releases, for example, can adopt 7458 type mould releases of Dow Corning Corporation.
In the present embodiment, crosslinking agent comprises 7689 type crosslinking agents, 7672 type crosslinking agents and three kinds of mixing of 9176 type crosslinking agents.Concrete, 7689 type crosslinking agents can be selected 7689 crosslinking agents of Dow Corning Corporation, and 7672 type crosslinking agents can be selected 7672 crosslinking agents of Dow Corning Corporation, and 9176 type crosslinking agents can be selected 9176 crosslinking agents of Dow Corning Corporation.The ratio that these three kinds of crosslinking agents mix is 20:5:11.
In the present embodiment, curing agent is selected 4000 curing agent of Dow Corning Corporation, and off-type force conditioning agent adopts 7200 off-type force conditioning agents of Dow Corning Corporation.
In the present embodiment, the concrete steps of producing mould release membrance are as follows:
A: prepare silicon pasta liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in to surface of bottom material, dry, form silicone oil face;
C: rolling, obtains light release mould release membrance volume.
Concrete, in step a, first be ready to each raw material (by weight) according to proportioning, in the present embodiment, need to prepare 10 parts of 2500 parts of solvent D-120,2500 parts of solvent D-30,5000 parts of solvent MEK, 1000 parts of solvent IPA, 1000 parts of 9106 type mould releases, 1000 parts of 7458 type mould releases, 40 parts of 7689 type crosslinking agents, 10 parts of 7672 type crosslinking agents, 22 parts of 9176 type crosslinking agents, 26 parts, 4000 type curing agent and 7200 type off-type force conditioning agents.It should be noted that solvent weighing error is in ± 2% scope; Mould release weighing error is in ± 1% scope; Crosslinking agent weighing error is in ± 0.1% scope; Curing agent weighing error is in ± 0.1% scope; Off-type force conditioning agent weighing error is in ± 0.1% scope.Be ready to after each raw material, prepare silicone oil face liquid according to following steps:
A1: prepare solvent, solvent D-120, solvent D-30, solvent MEK and solvent IPA are mixed, obtain mixed solvent;
A2: 9106 type mould releases, 7689 type crosslinking agents and 7672 type crosslinking agents are put into agitator, get 40% of mixed solvent amount, pour in agitator, stir; Now 9106 type mould releases of linearity molecular structure fully react with 7672 type crosslinking agents, form a kind of cancellated molecular structure, and this cancellated molecular structure has improved the stability of silicone oil face greatly.In addition, this cancellated molecular structure and ground have good adhesive effect, have improved greatly the adhesive force of silicone oil face and ground, and both are not easy separately.
A3: 7458 type mould releases and 9176 type crosslinking agents are added in agitator, get 50% of mixed solvent amount, pour in agitator, stir 10 minutes.Add after the second mould release (i.e. 7458 type mould releases), the molecular structure obtaining after two kinds of mould releases react from different crosslinking agents is respectively different, these two kinds of mutual adhesives of molecular structure, spacing between molecule reduces, form tight, stable molecular system, make formed silicone oil face level and smooth, stable.
A4: get 5% of mixed solvent amount, dilution 7200 type off-type force conditioning agents, after dilution, add 7200 type off-type force conditioning agents in agitator, stir 20 minutes.Adding of 7200 type off-type force conditioning agents, the further spacing of molecule in Molecular regulator system, improves compactness and the flatness of silicone oil face, thereby further reduces the size of off-type force.
A5: get 5% of mixed solvent amount, dilution 4000 type curing agent, after dilution, add 4000 type curing agent in agitator, continue to stir 15 minutes, obtain silicone oil face liquid.
In practical application, in order to improve, silicone oil liquid is applied to the uniformity on ground, in the present embodiment, in step b, the liquid tank pressure of coating machine is 0.05-0.1N.The liquid tank pressure of coating machine is larger, and coating weight is less, and Painting effect is inhomogeneous, but easily controls; The liquid tank pressure of coating machine is less, and coating weight is larger, and Painting effect is even, but is difficult to control.In the present invention, test many times trial through inventor, find that, in the time that the liquid tank pressure of coating machine is 0.05-0.1N, the silicone oil liquid of this molecular structure that the present invention is proposed is the most applicable, Painting effect is even, and the silicone oil face of formation can be fitted with ground closely.
In step b and c in the present embodiment, adopt traditional mould release membrance production technology, but must notice that regulating the liquid tank pressure of coating machine is 0.05-0.1N, to reach best effect.
The silicone oil face that the present embodiment is produced the light release mould release membrance obtaining is level and smooth, silicone oil face for example, contacts closely firm with ground (PET film), difficult drop-off, silicone oil face and tape contact face are long-pending little, off-type force is little, easily tears separation, separates on rear adhesive tape without silicone oil retention thing, result of use is good, is worthy of popularization.Meanwhile, produce the light release mould release membrance obtaining according to the present embodiment scheme, properties of product are stable, and yields is high, and the off-type force of 99.9% product is all in the good interval in 3-5g/in.
Embodiment 2
Scheme in the present embodiment is substantially with identical in embodiment 1, different, and in the present embodiment, mould release A is 9104 type mould releases, for example, can adopt 9104 type mould releases of Dow Corning Corporation; Mould release B is 7226 type mould releases, for example, can adopt 7226 type mould releases of Dow Corning Corporation.
The present embodiment is the scheme of a suboptimum, produces the product stability obtaining low with respect to embodiment 1, and its silicone oil face and tape contact face are long-pending little, and off-type force is little, easily tears separation, and on the rear adhesive tape of separation, substantially without silicone oil retention thing, result of use is better.Meanwhile, produce the light release mould release membrance obtaining according to the present embodiment scheme, properties of product are stable, and yields is high, and the off-type force of 98% product is all in the good interval in 3-5g/in.
In the present invention, the address of the raw material of the light release mould release membrance of above-mentioned production is that these chemicals are called in tradition on the market, for example 9106 type mould releases (code name that this address is product), are commonly considered as the mould release with the 9106 mould release character the same (or very similar) of Dow Corning Corporation.Therefore, though the present invention adopts the tradition address of chemical agent, can only be with this kind of chemical agent but do not limit, the chemical agent identical or quite similar with this chemical agent character all falls within the scope of protection of the present invention, the for example embodiment of the present invention is disclosed is 9106 mould releases that adopt Dow Corning Corporation, but not only limit 9106 mould releases that can only adopt Dow Corning Corporation, any chemical agent identical with 9106 mould release character of Dow Corning Corporation all can substitute 9106 mould releases of Dow Corning Corporation, for example adopt the mould release of some no-solvent types, do not enumerate at this.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (9)
1. the level and smooth light release mould release membrance of silicone oil face, comprises ground and is attached to the silicone oil face of surface of bottom material, it is characterized in that described silicone oil face
componentby weight, comprising:
11000 ± 220 parts of solvents;
2000 ± 20 parts of mould releases;
72 ± 0.072 parts of crosslinking agents;
26 ± 0.026 parts, curing agent;
10 ± 0.01 parts of off-type force conditioning agents;
Described solvent comprises one or more mixing in solvent D-120, solvent D-30, solvent MEK or solvent IPA;
Described mould release is that mould release A and mould release B mix; Described mould release A is 9106 type mould releases or 9104 type mould releases; Described mould release B is 7458 type mould releases or 7226 type mould releases;
Described crosslinking agent comprises one or more mixing in 7689 type crosslinking agents, 7672 type crosslinking agents or 9176 type crosslinking agents.
2. the level and smooth light release mould release membrance of silicone oil face according to claim 1, is characterized in that, described mould release A is 9106 type mould releases, and mould release B is 7458 type mould releases; The mixed proportion of described mould release A and mould release B is 1:1.
3. the level and smooth light release mould release membrance of silicone oil face according to claim 1, is characterized in that, described solvent comprises solvent D-120, solvent D-30, solvent MEK and tetra-kinds of solvent of solvent IPA, and its mixed proportion is 2.5:2.5:5:1.
4. the level and smooth light release mould release membrance of silicone oil face according to claim 1, is characterized in that, described crosslinking agent comprises that 7689 type crosslinking agents, 7672 type crosslinking agents and three kinds of crosslinking agents of 9176 type crosslinking agents mix, and its mixed proportion is 20:5:11.
5. the level and smooth light release mould release membrance of silicone oil face according to claim 1, is characterized in that, described curing agent is 4000 type curing agent.
6. the level and smooth light release mould release membrance of silicone oil face according to claim 1, is characterized in that, described off-type force conditioning agent is 7200 type off-type force conditioning agents.
7. a production technology for the light release mould release membrance that the silicone oil face of production as described in claim 1-6 any one is level and smooth, is characterized in that, comprises the following steps:
A: prepare silicon pasta liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in to surface of bottom material, dry, form silicone oil face;
C: rolling, obtains light release mould release membrance volume.
8. the production technology of the light release mould release membrance that silicone oil face according to claim 7 is level and smooth, is characterized in that, described step a comprises the following steps:
A1: prepare solvent, solvent D-120, solvent D-30, solvent MEK and solvent IPA are mixed, obtain mixed solvent;
A2: 9106 type mould releases, 7689 type crosslinking agents and 7672 type crosslinking agents are put into agitator, get 40% of mixed solvent amount, pour in agitator, stir;
A3: 7458 type mould releases and 9176 type crosslinking agents are added in agitator, get 50% of mixed solvent amount, pour in agitator, stir 10 minutes;
A4: get 5% of mixed solvent amount, dilution 7200 type off-type force conditioning agents, after dilution, add 7200 type off-type force conditioning agents in agitator, stir 20 minutes;
A5: get 5% of mixed solvent amount, dilution 4000 type curing agent, after dilution, add 4000 type curing agent in agitator, continue to stir 15 minutes, obtain silicone oil face liquid.
9. the production technology of the light release mould release membrance that silicone oil face according to claim 7 is level and smooth, is characterized in that, in described step b, the liquid tank pressure of coating machine is 0.05-0.1N.
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| CN104845528A (en) * | 2015-06-08 | 2015-08-19 | 佛山伟利信电子材料有限公司 | Air-permeable flame-retardant protecting film and production process thereof |
| CN104945649A (en) * | 2015-06-08 | 2015-09-30 | 佛山伟利信电子材料有限公司 | High release force type release film with smooth silicone oil surface and production process of high release force type release film |
| CN105128469A (en) * | 2015-05-05 | 2015-12-09 | 东莞市鼎力薄膜科技有限公司 | Antistatic superlight mold-release force functional film |
| CN105820362A (en) * | 2016-05-23 | 2016-08-03 | 浙江美登特种薄膜有限公司 | Anti-static release film |
| CN106973486A (en) * | 2017-03-27 | 2017-07-21 | 浙江欧仁新材料有限公司 | A kind of FPC FPCs dedicated substrate |
| CN107338675A (en) * | 2017-06-30 | 2017-11-10 | 江阴华美光电科技有限公司 | The ultralight anti-preparation method for being adhered mould release membrance |
| CN110003752A (en) * | 2019-04-15 | 2019-07-12 | 深圳市普利司德高分子材料有限公司 | A kind of release film protective film technological process of production |
| CN112500785A (en) * | 2020-11-18 | 2021-03-16 | 江阴通利光电科技有限公司 | Mixed coating liquid of solvent type silicone oil and solvent-free type silicone oil and coating method |
| CN115651535A (en) * | 2022-11-22 | 2023-01-31 | 江阴通利光电科技有限公司 | Overweight stripping force coating liquid, release film and preparation method |
| WO2024070440A1 (en) * | 2022-09-29 | 2024-04-04 | 住友化学株式会社 | Optical laminate |
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| CN105128469A (en) * | 2015-05-05 | 2015-12-09 | 东莞市鼎力薄膜科技有限公司 | Antistatic superlight mold-release force functional film |
| CN104945649B (en) * | 2015-06-08 | 2018-03-30 | 佛山伟利信电子材料有限公司 | A kind of smooth release mould release membrance of weight in silicone oil face and its production technology |
| CN104945649A (en) * | 2015-06-08 | 2015-09-30 | 佛山伟利信电子材料有限公司 | High release force type release film with smooth silicone oil surface and production process of high release force type release film |
| CN104845528B (en) * | 2015-06-08 | 2017-06-16 | 佛山伟利信电子材料有限公司 | A kind of ventilative fire-resisting protection film and its production technology |
| CN104845528A (en) * | 2015-06-08 | 2015-08-19 | 佛山伟利信电子材料有限公司 | Air-permeable flame-retardant protecting film and production process thereof |
| CN105820362A (en) * | 2016-05-23 | 2016-08-03 | 浙江美登特种薄膜有限公司 | Anti-static release film |
| CN106973486B (en) * | 2017-03-27 | 2020-03-24 | 浙江欧仁新材料有限公司 | Special substrate for FPC (Flexible printed Circuit) |
| CN106973486A (en) * | 2017-03-27 | 2017-07-21 | 浙江欧仁新材料有限公司 | A kind of FPC FPCs dedicated substrate |
| CN107338675A (en) * | 2017-06-30 | 2017-11-10 | 江阴华美光电科技有限公司 | The ultralight anti-preparation method for being adhered mould release membrance |
| CN110003752A (en) * | 2019-04-15 | 2019-07-12 | 深圳市普利司德高分子材料有限公司 | A kind of release film protective film technological process of production |
| CN112500785A (en) * | 2020-11-18 | 2021-03-16 | 江阴通利光电科技有限公司 | Mixed coating liquid of solvent type silicone oil and solvent-free type silicone oil and coating method |
| WO2024070440A1 (en) * | 2022-09-29 | 2024-04-04 | 住友化学株式会社 | Optical laminate |
| CN115651535A (en) * | 2022-11-22 | 2023-01-31 | 江阴通利光电科技有限公司 | Overweight stripping force coating liquid, release film and preparation method |
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