CN104085139B - 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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- CN104085139B CN104085139B CN201410322495.XA CN201410322495A CN104085139B CN 104085139 B CN104085139 B CN 104085139B CN 201410322495 A CN201410322495 A CN 201410322495A CN 104085139 B CN104085139 B CN 104085139B
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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 thereof, the light release mould release membrance that in particular a kind of silicone oil face is level and smooth and production technology thereof.
Background technology
Mould release membrance refers to that surface has film separatory, and mould release membrance does not have viscosity after contacting under limited conditions with specific material, or slight viscosity.In ground PET film, be such as coated with last layer silicone oil can obtain silicone oil type PET mould release membrance, the effect of this silicone oil is the adhesive force reducing PET film surface, reaches release effect.
On market, the off-type force (peeling force) of existing light release mould release membrance is generally 6-8 g/in, uses without base material two-sided tape for 3M467.Because 3M467 is comparatively strong without the viscosity of base material two-sided tape, and the silicone oil face of existing light release mould release membrance is comparatively coarse, and not easily separated after both laminatings, after being separated by force, the silicone oil face be 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 produces the silicone oil face interior molecules that obtains in conjunction with loose, and less stable, silicone oil face easily comes off.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The light release mould release membrance that the object of the present invention is to provide a kind of silicone oil face level and smooth and production technology thereof, the silicone oil face of being intended to solve traditional light release mould release membrance is coarse, the technical problem of the weak effect be separated 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, comprises ground and is attached to the silicone oil face of surface of bottom material, and wherein, described silicone oil face component by weight, comprising:
Solvent 11000 ± 220 parts;
Mould release 2000 ± 20 parts;
Crosslinking agent 72 ± 0.072 parts;
26 ± 0.026 parts, curing agent;
Off-type force conditioning agent 10 ± 0.01 parts;
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, and 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 solvent IPA tetra-kinds of solvent mixing, and 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 the three kinds of crosslinking agent mixing of 7689 type crosslinking agents, 7672 type crosslinking agents and 9176 type crosslinking agents, and 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: preparation silicone oil face liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in surface of bottom material, dries, and forms 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, mixes solvent D-120, solvent D-30, solvent MEK and solvent IPA, obtains mixed solvent;
A2: 9106 type mould releases, 7689 type crosslinking agents and 7672 type crosslinking agents are put into agitator, gets 40% of mixed solvent amount, pour in agitator, stir;
A3: add in agitator by 7458 type mould releases and 9176 type crosslinking agents, get 50% of mixed solvent amount, pour in agitator, stirs 10 minutes;
A4: get 5% of mixed solvent amount, dilutes 7200 type off-type force conditioning agents, after dilution, adds in agitator by 7200 type off-type force conditioning agents, stirs 20 minutes;
A5: get 5% of mixed solvent amount, dilutes 4000 type curing agent, after dilution, adds in agitator by 4000 type curing agent, continues stirring 15 minutes, obtains 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, the crosslinking agent that simultaneously corresponding employing is different and this two kinds of mould releases react, finally mix, obtain a kind of molecular structure tight, stable silicone oil face liquid, this silicone oil face liquid is utilized to coordinate production technology of the present invention to produce the silicone oil face of the light release mould release membrance obtained level and smooth, its off-type force is 3-5g/in, this light release mould release membrance and adhesive strips contact, level and smooth silicone oil face is compared to traditional coarse silicone oil face, less with the area of adhesive strips contact, be more prone to be separated.The present invention produces the product property that obtains and stablizes in addition, and after tested, the off-type force of the product of 99.9% is all in 3-5g/in interval.
Accompanying drawing explanation
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 clearly, clearly, 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, large with the area of adhesive strips contact, therefore adhered by adhesive tape, not easily separated, when with when being torn energetically, silicone oil face cracky, silicone materials easily remains in tape surface.Present invention improves over the structure of silicon layer, adopt two kinds of mould releases to make silicone oil face, the crosslinking agent that simultaneously corresponding employing is different and this two kinds of mould releases react, and finally mix, obtain the silicone oil face that a kind of molecular structure is tight, stable.Below, by embodiment, the present invention will be described in detail.
Embodiment 1
Present embodiment discloses the light release mould release membrance that a kind of silicone oil face is level and smooth, the component in its silicone oil face by weight, comprising:
Solvent 11000 parts;
Mould release 2000 parts;
Crosslinking agent 72 parts;
26 parts, curing agent;
Off-type force conditioning agent 10 parts;
In the present embodiment, solvent comprises solvent D-120, solvent D-30, solvent MEK and solvent IPA tetra-kinds mixing, 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, such as, can adopt 9106 type mould releases of Dow Corning Corporation; Mould release B is 7458 type mould releases, such as, 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 9176 type crosslinking agents three kinds mixing.Concrete, 7689 type crosslinking agents can select 7689 crosslinking agents of Dow Corning Corporation, and 7672 type crosslinking agents can select 7672 crosslinking agents of Dow Corning Corporation, and 9176 type crosslinking agents can select 9176 crosslinking agents of Dow Corning Corporation.The ratio of these three kinds of crosslinking agent mixing is 20:5:11.
In the present embodiment, 4000 curing agent of Dow Corning Corporation selected by curing agent, 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: preparation silicone oil face liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in surface of bottom material, dries, and forms silicone oil face;
C: rolling, obtains light release mould release membrance volume.
Concrete, in step a, first get out each raw material (by weight) according to proportioning, in the present embodiment, need to prepare solvent D-120 2500 parts, solvent D-30 2500 parts, solvent MEK 5000 parts, solvent IPA 1000 parts, 9106 type mould release 1000 parts, 7458 type mould release 1000 parts, 7689 type crosslinking agent 40 parts, 7672 type crosslinking agent 10 parts, 9176 type crosslinking agent 22 parts, 26 parts, 4000 type curing agent and 7200 type off-type force conditioning agents 10 parts.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.After getting out each raw material, prepare silicone oil face liquid according to following steps:
A1: prepare solvent, mixes solvent D-120, solvent D-30, solvent MEK and solvent IPA, obtains mixed solvent;
A2: 9106 type mould releases, 7689 type crosslinking agents and 7672 type crosslinking agents are put into agitator, gets 40% of mixed solvent amount, pour in agitator, stir; Now 9106 type mould releases of linearity molecular structure and 7672 type crosslinking agents fully react, and form a kind of cancellated molecular structure, this cancellated molecular structure greatly improves the stability in silicone oil face.In addition, this cancellated molecular structure and ground have good adhesive effect, greatly improve the adhesive force of silicone oil face and ground, make both be not easy separately.
A3: add in agitator by 7458 type mould releases and 9176 type crosslinking agents, get 50% of mixed solvent amount, pour in agitator, stirs 10 minutes.After adding the second mould release (i.e. 7458 type mould releases), the molecular structure obtained 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, dilutes 7200 type off-type force conditioning agents, after dilution, adds in agitator by 7200 type off-type force conditioning agents, stirs 20 minutes.Adding of 7200 type off-type force conditioning agents, can the spacing of Molecular regulator system Middle molecule further, improve compactness and the flatness in silicone oil face, thus reduce the size of off-type force further.
A5: get 5% of mixed solvent amount, dilutes 4000 type curing agent, after dilution, adds in agitator by 4000 type curing agent, continues stirring 15 minutes, obtains silicone oil face liquid.
In practical application, in order to improve the uniformity be applied to by silicone fluid 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 uneven, 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, attempt through inventor's numerous experiments, find when the liquid tank pressure of coating machine is 0.05-0.1N, the most applicable to the silicone fluid of this molecular structure that the present invention proposes, Painting effect is even, can fit with ground closely in the silicone oil face of formation.
In step b in the present embodiment and c, adopt traditional mould release membrance production technology, but must notice that the liquid tank pressure regulating coating machine is 0.05-0.1N, to reach best effect.
The silicone oil face that the present embodiment produces the light release mould release membrance obtained is level and smooth, silicone oil face contacts closely firm with ground (such as PET film), difficult drop-off, silicone oil face and adhesive strips contact area little, off-type force is little, easily tears separation, is separated on rear adhesive tape without silicone oil retention thing, result of use is good, is worthy of popularization.Meanwhile, according to the present embodiment scheme produce the light release mould release membrance obtained, properties of product are stablized, and yields is high, and the off-type force of the product of 99.9% is all in the excellent interval of 3-5g/in.
Embodiment 2
Scheme in the present embodiment substantially with identical in embodiment 1, unlike, in the present embodiment, mould release A is 9104 type mould releases, such as, can adopt 9104 type mould releases of Dow Corning Corporation; Mould release B is 7226 type mould releases, such as, can adopt 7226 type mould releases of Dow Corning Corporation.
The present embodiment is the scheme of a suboptimum, produces the product stability that obtains low relative to embodiment 1, and its silicone oil face is little with adhesive strips contact area, and off-type force is little, easily tears separation, be separated afterwards on adhesive tape substantially without silicone oil retention thing, result of use is better.Meanwhile, according to the present embodiment scheme produce the light release mould release membrance obtained, properties of product are stablized, and yields is high, and the off-type force of the product of 98% is all in the excellent interval of 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 in tradition address on the market, such as 9106 type mould releases (this address is the code name of product), are commonly considered as the mould release of the same with 9106 mould release character of Dow Corning Corporation (or very similar).Therefore, though the present invention adopts the tradition address of chemical agent, but not limiting can only be with this kind of chemical agent, the chemical agent identical or quite similar with this chemical agent character all falls within the scope of protection of the present invention, such as 9106 mould releases adopting Dow Corning Corporation disclosed in the embodiment of the present invention, 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, such as 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 citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. the light release mould release membrance that silicone oil face is level and smooth, 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:
Solvent 11000 ± 220 parts;
Mould release 2000 ± 20 parts;
Crosslinking agent 72 ± 0.072 parts;
26 ± 0.026 parts, curing agent;
Off-type force conditioning agent 10 ± 0.01 parts;
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 light release mould release membrance that silicone oil face according to claim 1 is level and smooth, 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 light release mould release membrance that silicone oil face according to claim 1 is level and smooth, is characterized in that, described solvent comprises solvent D-120, solvent D-30, solvent MEK and solvent IPA tetra-kinds of solvent mixing, and its mixed proportion is 2.5:2.5:5:1.
4. the light release mould release membrance that silicone oil face according to claim 1 is level and smooth, is characterized in that, described crosslinking agent comprises the three kinds of crosslinking agent mixing of 7689 type crosslinking agents, 7672 type crosslinking agents and 9176 type crosslinking agents, and its mixed proportion is 20:5:11.
5. the light release mould release membrance that silicone oil face according to claim 1 is level and smooth, is characterized in that, described curing agent is 4000 type curing agent.
6. the light release mould release membrance that silicone oil face according to claim 1 is level and smooth, 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, comprise the following steps:
A: preparation silicone oil face liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in surface of bottom material, dries, and forms silicone oil face;
C: rolling, obtains light release mould release membrance volume;
Described step a comprises the following steps:
A1: prepare solvent, mixes solvent D-120, solvent D-30, solvent MEK and solvent IPA, obtains mixed solvent;
A2: 9106 type mould releases, 7689 type crosslinking agents and 7672 type crosslinking agents are put into agitator, gets 40% of mixed solvent amount, pour in agitator, stir;
A3: add in agitator by 7458 type mould releases and 9176 type crosslinking agents, get 50% of mixed solvent amount, pour in agitator, stirs 10 minutes;
A4: get 5% of mixed solvent amount, dilutes 7200 type off-type force conditioning agents, after dilution, adds in agitator by 7200 type off-type force conditioning agents, stirs 20 minutes;
A5: get 5% of mixed solvent amount, dilutes 4000 type curing agent, after dilution, adds in agitator by 4000 type curing agent, continues stirring 15 minutes, obtains silicone oil face liquid.
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, in described step b, the liquid tank pressure of coating machine is 0.05-0.1N.
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| CN201410322495.XA CN104085139B (en) | 2014-07-08 | 2014-07-08 | Easily released film with smooth silicone oil surface and production process thereof |
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| CN201410322495.XA CN104085139B (en) | 2014-07-08 | 2014-07-08 | Easily released film with smooth silicone oil surface and production process thereof |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
| 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 |
| 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) |
| CN107338675B (en) * | 2017-06-30 | 2019-07-19 | 江阴华美光电科技有限公司 | The ultralight anti-preparation method for being adhered release film |
| 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 |
| JP2024050177A (en) * | 2022-09-29 | 2024-04-10 | 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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| CN102794960A (en) * | 2012-07-10 | 2012-11-28 | 苏州市星辰科技有限公司 | Anti-static release liner as well as preparation method and equipment thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794960A (en) * | 2012-07-10 | 2012-11-28 | 苏州市星辰科技有限公司 | Anti-static release liner as well as preparation method and equipment thereof |
| CN102816538A (en) * | 2012-08-03 | 2012-12-12 | 深圳市摩码科技有限公司 | Heavy-release force release film having surface microviscosity and preparation method thereof |
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