CN104073185A - Silicone oil release film with sticky surface and production process of silicone oil release film - Google Patents
Silicone oil release film with sticky surface and production process of silicone oil release film Download PDFInfo
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- CN104073185A CN104073185A CN201410321951.9A CN201410321951A CN104073185A CN 104073185 A CN104073185 A CN 104073185A CN 201410321951 A CN201410321951 A CN 201410321951A CN 104073185 A CN104073185 A CN 104073185A
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Abstract
The invention discloses a silicone oil release film with a sticky surface and a production process of the silicone oil release film. The silicone oil release film comprises a substrate and a silicone oil face attached to the surface of the substrate, wherein the silicone oil face is prepared from the following components in parts by weight: 9240 parts of a solvent, 1000 parts of a releaser, 200 parts of a cross-linking agent, 13 parts of a curing agent, 300 parts of a releasing force adjustor and 3000 parts of an adhesive. The solvent comprises one or a mixture of more of a solvent TOL (Toluene), a solvent D-40, a solvent D-30, a solvent MEK (Methyl Ethyl Ketone) or a solvent IPA (Iso Propyle Alcohol). The releaser comprises a 7485 type releaser. The cross-linking agent comprises one or a mixture of more of a 297 type cross-linking agent, a 7672 type cross-linking agent or a 7028 type cross-linking agent. The adhesive is a 7652 type adhesive or a 7651 type adhesive. The release film disclosed by the invention has certain viscidity, can be stably attached to a hot melt adhesive without displacement, and is low in releasing force and convenient to be separated from the hot melt adhesive and free from residues on the surface of the hot melt adhesive separated.
Description
Technical field
The present invention relates to a kind of silicone oil release film and production technique thereof, in particular the sticking silicone oil release film of a kind of surface band and production technique thereof.
Background technology
Release film refers to that surface has film separatory, and release film 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 release film, the effect of this silicone oil is the sticking power that reduces PET film surface, reaches release effect.Release film according to the size of its off-type force be divided into light release release film, in release release film and heavy release release film.
Traditional hot melt adhesive is generally release release film or heavy release release film use in collocation, but because hot melt adhesive has the feature (general 70 ℃-90 ℃ for high temperature) of " normal temperature viscosity low and high temperature viscosity is high ", in release release film when normal temperature, be difficult to fit with hot melt adhesive, unstable, be easily subjected to displacement; Heavy release release film is bonding firmly with hot melt adhesive when high temperature, is difficult for peeling off.Therefore in traditional, release release film and heavy release release film are all not suitable for hot melt adhesive and use.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide the sticking silicone oil release film of a kind of surface band and production technique thereof, be intended to solve traditional release film and be not suitable for the technical problem that hot melt adhesive is used.
Technical scheme of the present invention is as follows: the sticking silicone oil release film of a kind of surface band, and the silicone oil face that comprises ground and be attached to substrate surface, wherein, described silicone oil face component by weight, comprising:
9240 ± 184.8 parts of solvents;
1000 ± 10 parts of parting agents;
200 ± 0.2 parts of linking agents;
13 ± 0.013 parts, solidifying agent;
300 ± 0.3 parts of off-type force conditioning agents;
3000 ± 30 parts of sizing agents;
Described solvent comprises one or more mixing in solvent TOL, solvent D-40, solvent D-30, solvent MEK or solvent IPA;
Described parting agent comprises 7458 type parting agents;
Described linking agent comprises one or more mixing in 297 type linking agents, 7672 type linking agents or 7028 type linking agents;
Described sizing agent is 7652 type sizing agents or 7651 type sizing agents.
The sticking silicone oil release film of described surface band, wherein, described solvent comprises solvent TOL, solvent D-30, solvent MEK and tetra-kinds of solvent of solvent IPA, its blending ratio is 21:21:42:8.4.
The sticking silicone oil release film of described surface band, wherein, described solvent comprises solvent TOL, solvent D-40, solvent MEK and tetra-kinds of solvent of solvent IPA, its blending ratio is 21:21:42:8.4.
The sticking silicone oil release film of described surface band, wherein, described linking agent comprises that 297 type linking agents, 7672 type linking agents and three kinds of linking agents of 7028 type linking agents mix, its blending ratio is 1:1:18.
The sticking silicone oil release film of described surface band, wherein, described solidifying agent is 4000 type solidifying agent.
The sticking silicone oil release film of described surface band, wherein, described off-type force conditioning agent is 7210 type off-type force conditioning agents.
The production technique of the sticking silicone oil release film of described surface band, wherein, comprises the following steps:
A: prepare silicon pasta liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in to substrate surface, dry, form silicone oil face;
C: rolling, obtains silicone oil release film volume.
The production technique of the sticking silicone oil release film of described surface band, wherein, described step a comprises the following steps:
A1: prepare solvent, solvent D-120, solvent orange 2 A, solvent MEK and solvent IPA are mixed, obtain mixed solvent, wherein solvent orange 2 A is solvent D-30 or solvent D-40;
A2: 7458 type parting agents, 297 type linking agents, 7672 type linking agents and 7028 type linking agents are put into agitation vat, get 40% of mixed solvent amount, pour in agitation vat, stir;
A3: get 3% of mixed solvent amount, dilution 7210 type off-type force conditioning agents; Get 3% of mixed solvent amount, dilution 4000 type solidifying agent; Get 4% of mixed solvent amount, dilution 7652 type sizing agents;
A4: 7210 type off-type force conditioning agents after dilution are added in agitation vat and reacted, then add in agitation vat 50% of remaining mixed solvent amount, stir 10 minutes;
A5: 7652 type sizing agents after dilution are added in agitation vat, continue to stir 20 minutes;
A6: 4000 type solidifying agent after dilution are added in agitation vat, continue to stir 15 minutes, obtain silicone oil face liquid.
The production technique of the sticking silicone oil release film of described surface band, wherein, in described step b, the liquid tank pressure of coating machine is 0.05-0.1N.
Beneficial effect of the present invention: the present invention by adding 7458 type parting agents and 7652 type sizing agents (or 7651 type sizing agents) in the composition of release film, make to produce the release film obtaining and both possessed off-type force, possess again certain viscosity, its off-type force is 200-500g/in.This release film of the present invention is very applicable to be used for hot melt adhesive, and when normal temperature, release film of the present invention has certain viscosity, and can be stable fit with hot melt adhesive, is not subjected to displacement; When high temperature, the off-type force of release film of the present invention is lower, be convenient to separated with hot melt adhesive, and hot melt adhesive surface noresidue after separated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sticking silicone oil release film of surface band in the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.
The invention discloses the sticking silicone oil release film of a kind of surface band, its structure as shown in Figure 1, the silicone oil face 200 that comprises ground 100 and be attached to substrate surface.Because hot melt adhesive has the feature of " normal temperature viscosity low and high temperature viscosity is high ", traditional in release release film and heavy release release film cannot meet the user demand of hot melt adhesive.The present invention has improved the textural property of release film silicon layer, in silicone oil face composition, add parting agent and sizing agent simultaneously, make to produce the silicon layer obtaining and there is off-type force and viscosity simultaneously, this release film is very applicable to be used for hot melt adhesive, when normal temperature, release film of the present invention has certain viscosity, and can be stable fit with hot melt adhesive, is not subjected to displacement; When high temperature, the off-type force of release film of the present invention is lower, be convenient to separated with hot melt adhesive, and hot melt adhesive surface noresidue after separated.Below, by embodiment, the present invention will be described in detail.
Embodiment 1
The present embodiment discloses the sticking silicone oil release film of a kind of surface band, and the component of its silicone oil face by weight, comprising:
9240 parts of solvents;
1000 parts of parting agents;
200 parts of linking agents;
13 parts, solidifying agent;
300 parts of off-type force conditioning agents;
3000 parts of sizing agents
In the present embodiment, solvent comprises solvent TOL, solvent D-30, solvent MEK and tetra-kinds of mixing of solvent IPA, and its blending ratio is 21:21:42:8.4.
In the present embodiment, sizing agent adopts 7651 type sizing agents, concrete, can adopt 7651 sizing agents of Dow Corning Corporation.In practical application, the excessive release film surface viscosity that causes of sizing agent is excessive, easily affects the release effect of release film; Gluing dosage causes the release film surface viscosity under normal temperature too low very little, is easily subjected to displacement with hot melt adhesive is bonding.When the amount of sizing agent is moderate, although viscosity meet the requirements, the poor stability of silicone oil face, silicone oil face easily comes off.Contriver attempts finally finding through test of many times the formula that a kind of viscosity is applicable to, stability is high.
In the present embodiment, linking agent comprises 297 type linking agents, 7672 type linking agents and three kinds of mixing of 7028 type linking agents.Concrete, 297 type linking agents can be selected 297 linking agents of Dow Corning Corporation, and 7672 type linking agents can be selected 7672 linking agents of Dow Corning Corporation, and 7028 type linking agents can be selected 7028 linking agents of Dow Corning Corporation.The ratio that these three kinds of linking agents mix is 1:1:18.
In the present embodiment, solidifying agent is selected 4000 solidifying agent of Dow Corning Corporation, and off-type force conditioning agent adopts 7210 off-type force conditioning agents of Dow Corning Corporation.
In the present embodiment, the concrete steps of producing release film are as follows:
A: prepare silicon pasta liquid;
B: utilize coating machine that silicone oil face uniform liquid is coated in to substrate surface, dry, form silicone oil face;
C: rolling, obtains silicone oil release film volume.
Concrete, in step a, first according to proportioning, be ready to each raw material (by weight), in the present embodiment, need to prepare 300 parts of 2100 parts of solvent TOL, 2100 parts of solvent D-30,4200 parts of solvent MEK, 840 parts of solvent IPA, 1000 parts of 7458 type parting agents, 10 parts of 297 type linking agents, 10 parts of 7672 type linking agents, 180 parts of 7028 type linking agents, 13 parts, 4000 type solidifying agent and 7210 type off-type force conditioning agents.It should be noted that solvent weighing error is in ± 2% scope; Parting agent and sizing agent weighing error are in ± 1% scope; Linking agent weighing error is in ± 0.1% scope; Solidifying 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, according to following steps, prepare silicone oil face liquid:
A1: prepare solvent, solvent D-120, solvent orange 2 A, solvent MEK and solvent IPA are mixed, obtain mixed solvent, wherein solvent orange 2 A is solvent D-30 or solvent D-40;
A2: 7458 type parting agents, 297 type linking agents, 7672 type linking agents and 7028 type linking agents are put into agitation vat, get 40% of mixed solvent amount, pour in agitation vat, stir; Put into after 7458 type parting agents, can make silicone oil mask have certain off-type force, in the present invention, off-type force size is 200-400g/in.Wherein, 297 type linking agents are set additive, are mainly used for silicone oil face and ground firmly bondingly, make silicone oil face be not easy to come off.
A3: get 3% of mixed solvent amount, dilution 7210 type off-type force conditioning agents; Get 3% of mixed solvent amount, dilution 4000 type solidifying agent; Get 4% of mixed solvent amount, dilution 7652 type sizing agents;
A4: 7210 type off-type force conditioning agents after dilution are added in agitation vat and reacted, then add in agitation vat 50% of remaining mixed solvent amount, stir 10 minutes; In the present embodiment, adopt the amount of 7210 type off-type force conditioning agents more, be mainly used for stable and strengthening off-type force, make off-type force not be subject to the impact of sizing agent.
A5: 7652 type sizing agents after dilution are added in agitation vat, continue to stir 20 minutes; Add after sizing agent, can produce certain impact to off-type force, but because the amount of sizing agent is moderate, can incorporate in the system of silicone oil face completely, while is due to the existence of off-type force conditioning agent, so off-type force is comparatively stable, and producing the silicone oil mask obtaining has certain viscosity, silicone oil face is stable simultaneously, difficult drop-off.
A6: 4000 type solidifying agent after dilution are added in agitation vat, continue to stir 15 minutes, obtain silicone oil face liquid.
In practical application, in order to improve, silicone oil liquid is applied to the homogeneity 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 glue spread is less, and Painting effect is inhomogeneous, but easily controls; The liquid tank pressure of coating machine is less, and glue spread is larger, and Painting effect is even, but is difficult to control.In the present invention, through contriver, test many times trial, find that, when the liquid tank pressure of coating machine is 0.05-0.1N, this silicone oil liquid 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 release film production technique, 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 silicone oil release film obtaining possesses release character and viscosity simultaneously, this release film is very applicable to be used for hot melt adhesive, and when normal temperature, release film of the present invention has certain viscosity, can be stable fit with hot melt adhesive, is not subjected to displacement; When high temperature, the off-type force of release film of the present invention is lower, be convenient to separated with hot melt adhesive, and hot melt adhesive surface noresidue after separated.Meanwhile, produce the silicone oil release film obtaining according to the present embodiment scheme, product performance are stable, and good article rate is high, and the off-type force of 99.9% product is all in the good interval in 200-400g/in.The viscosity of the release film that the present embodiment provides is lower, off-type force is moderate, the product that very applicable hot melt adhesive die-cut shapes is larger is used, this is because hot melt adhesive die-cut shapes is larger, the contact surface of release film and hot melt adhesive is large, even therefore release film viscosity lower also can be stable with hot melt adhesive laminating, be not subjected to displacement, moderate off-type force is conducive to release film separated with hot melt adhesive simultaneously.
Embodiment 2
Scheme in the present embodiment is substantially with identical in embodiment 1, different, in the present embodiment, with solvent D-40 replace solvents D-30, with 7652 type sizing agents, substitutes 7651 type sizing agents.
The present embodiment is produced large in the silicone oil face viscosity ratio embodiment 1 of the release film obtain, and its off-type force is 300-500g/in, is comparatively applicable to the product that hot melt adhesive die-cut shapes is less and uses.
In the present invention, the address of the raw material of above-mentioned production silicone oil release film is that these chemicals are called in tradition on the market, 7458 type parting agents (this address is the code name of product) for example, are commonly considered as the parting agent with the 7458 parting agent character the same (or very similar) of Dow Corning Corporation.Therefore; though the present invention adopts the tradition address of chemical agent; but do not limit, 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; for example the embodiment of the present invention is disclosed is 7458 parting agents that adopt Dow Corning Corporation; but not only limit 7458 parting agents that can only adopt Dow Corning Corporation; any chemical agent identical with 7458 parting agent character of Dow Corning Corporation all can substitute 7458 parting agents of Dow Corning Corporation, at this, do not enumerate.
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 sticking silicone oil release film of surface band, the silicone oil face that comprises ground and be attached to substrate surface, is characterized in that, described silicone oil face component by weight, comprising:
9240 ± 184.8 parts of solvents;
1000 ± 10 parts of parting agents;
200 ± 0.2 parts of linking agents;
13 ± 0.013 parts, solidifying agent;
300 ± 0.3 parts of off-type force conditioning agents;
3000 ± 30 parts of sizing agents;
Described solvent comprises one or more mixing in solvent TOL, solvent D-40, solvent D-30, solvent MEK or solvent IPA;
Described parting agent comprises 7458 type parting agents;
Described linking agent comprises one or more mixing in 297 type linking agents, 7672 type linking agents or 7028 type linking agents;
Described sizing agent is 7652 type sizing agents or 7651 type sizing agents.
2. the sticking silicone oil release film of surface band according to claim 1, is characterized in that, described solvent comprises solvent TOL, solvent D-30, solvent MEK and tetra-kinds of solvent of solvent IPA, and its blending ratio is 21:21:42:8.4.
3. the sticking silicone oil release film of surface band according to claim 1, is characterized in that, described solvent comprises solvent TOL, solvent D-40, solvent MEK and tetra-kinds of solvent of solvent IPA, and its blending ratio is 21:21:42:8.4.
4. the sticking silicone oil release film of surface band according to claim 1, is characterized in that, described linking agent comprises that 297 type linking agents, 7672 type linking agents and three kinds of linking agents of 7028 type linking agents mix, and its blending ratio is 1:1:18.
5. the sticking silicone oil release film of surface band according to claim 1, is characterized in that, described solidifying agent is 4000 type solidifying agent.
6. the sticking silicone oil release film of surface band according to claim 1, is characterized in that, described off-type force conditioning agent is 7210 type off-type force conditioning agents.
7. a production technique for the surface band sticking silicone oil release film of production as described in claim 1-6 any one, 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 substrate surface, dry, form silicone oil face;
C: rolling, obtains silicone oil release film volume.
8. the production technique of the sticking silicone oil release film of surface band according to claim 7, is characterized in that, described step a comprises the following steps:
A1: prepare solvent, solvent D-120, solvent orange 2 A, solvent MEK and solvent IPA are mixed, obtain mixed solvent, wherein solvent orange 2 A is solvent D-30 or solvent D-40;
A2: 7458 type parting agents, 297 type linking agents, 7672 type linking agents and 7028 type linking agents are put into agitation vat, get 40% of mixed solvent amount, pour in agitation vat, stir;
A3: get 3% of mixed solvent amount, dilution 7210 type off-type force conditioning agents; Get 3% of mixed solvent amount, dilution 4000 type solidifying agent; Get 4% of mixed solvent amount, dilution 7652 type sizing agents;
A4: 7210 type off-type force conditioning agents after dilution are added in agitation vat and reacted, then add in agitation vat 50% of remaining mixed solvent amount, stir 10 minutes;
A5: 7652 type sizing agents after dilution are added in agitation vat, continue to stir 20 minutes;
A6: 4000 type solidifying agent after dilution are added in agitation vat, continue to stir 15 minutes, obtain silicone oil face liquid.
9. the production technique of the sticking silicone oil release film of surface band according to claim 7, is characterized in that, in described step b, the liquid tank pressure of coating machine is 0.05-0.1N.
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| CN104449352A (en) * | 2014-11-05 | 2015-03-25 | 苏州培华电子材料有限公司 | Formula and preparation method of silicone oil |
| 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 |
| CN105419635A (en) * | 2015-12-14 | 2016-03-23 | 广东弘擎电子材料科技有限公司 | Even coating release film |
| 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 |
| CN105820362A (en) * | 2016-05-23 | 2016-08-03 | 浙江美登特种薄膜有限公司 | Anti-static release film |
| CN106189559A (en) * | 2016-07-21 | 2016-12-07 | 苏州泰仑电子材料有限公司 | Heavy mould release membrance of controlled off-type force and preparation method thereof |
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| 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 |
| CN116178771A (en) * | 2023-02-22 | 2023-05-30 | 四川群琪科技有限公司 | Release film and preparation method thereof |
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| CN104449352A (en) * | 2014-11-05 | 2015-03-25 | 苏州培华电子材料有限公司 | Formula and preparation method of silicone oil |
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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 |
| CN105820362A (en) * | 2016-05-23 | 2016-08-03 | 浙江美登特种薄膜有限公司 | Anti-static release film |
| CN106189559A (en) * | 2016-07-21 | 2016-12-07 | 苏州泰仑电子材料有限公司 | Heavy mould release membrance of controlled off-type force and preparation method thereof |
| CN107254252A (en) * | 2017-06-09 | 2017-10-17 | 常州市展明薄膜科技有限公司 | A kind of graphite calendering mould release membrance mixed liquor and preparation method thereof |
| 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 |
| CN116178771A (en) * | 2023-02-22 | 2023-05-30 | 四川群琪科技有限公司 | 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 |
| CN118109120A (en) * | 2024-02-26 | 2024-05-31 | 江门市君盛实业有限公司 | PET (polyethylene terephthalate) press-fit release film coating liquid and preparation method and application thereof |
| CN118109120B (en) * | 2024-02-26 | 2024-08-30 | 江门市君盛实业有限公司 | PET (polyethylene terephthalate) press-fit release film coating liquid and preparation method and application thereof |
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