CN104388007A - Organic silicon anti-adherent film and preparation method thereof - Google Patents
Organic silicon anti-adherent film and preparation method thereof Download PDFInfo
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- CN104388007A CN104388007A CN201410755195.0A CN201410755195A CN104388007A CN 104388007 A CN104388007 A CN 104388007A CN 201410755195 A CN201410755195 A CN 201410755195A CN 104388007 A CN104388007 A CN 104388007A
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- micro mist
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Abstract
The invention discloses an organic silicon anti-adherent film. The organic silicon anti-adherent film comprises a substrate and a composite release layer with which the substrate is coated, wherein the composite release layer is prepared by coating a compound releasing agent/coating agent and the compound releasing agent/coating agent comprises an organic silicon releasing agent, lipophilic micropowder, an anchoring agent, a dispersing agent, a bridging agent, a catalyst and a solvent. The preparation method of the organic silicon anti-adherent film comprises the following steps: drying micropowder, adding dried micropowder, the organic silicon releasing agent, the dispersing agent, the anchoring agent and the solvent into a container and uniformly dispersing to prepare a micropowder dispersion liquid; uniformly mixing the bridging agent and the solvent to prepare a bridging agent diluent; uniformly mixing the catalyst and the solvent to prepare a catalyst diluent; uniformly mixing the micropowder dispersion liquid, the bridging agent diluent, the catalyst diluent and the solvent to prepare the compound releasing agent/coating agent; and coating the compound releasing agent/coating agent on the surface of the substrate, desolventizing and carrying out high-temperature curing to prepare the organic silicon anti-adherent film.
Description
Technical field
The present invention relates to film class non-stick material field, particularly a kind of anti-adhesive silicone film and preparation method thereof.
Background technology
The agent of silicone pressure sensitive gluing a kind ofly has excellent high and low temperature resistance, the material of pole low surface free energy and excellent ageing-resistant performance, be widely used in cross cutting, electronics, medical science, optics, the aspects such as plating protection and materials processing, and the agent of silicone pressure sensitive gluing generally all coordinates non-stick material to use together when cross cutting uses, the chemical constitution of conventional release agent is generally paper release silicone and the antiseized material agent of fluorine element, but anti-adhesive silicone material does not have anti-adhesion effects for the agent of silicone pressure sensitive gluing, the fluorine element non-stick material only having surface free energy lower just has anti-adhesion effects to the agent of silicone pressure sensitive gluing.
And the main component of fluorine element non-stick material is crosslinked polyfluorine siloxanes, price is very expensive, and is managed by its manufacturer Dow Corning company monopolizing, and general Pressuresensitive Tape manufacturing enterprise is difficult to buy at home; And the main component of anti-adhesive silicone material is polysiloxane, manufacturer both domestic and external is many, and price is also suitable cheap, buys and uses all than being easier to; Therefore, by changing the way of contact of silicone pressure sensitive gluing agent and non-stick material, developing and using silicone release agent for main body and the non-stick material agent of silicone pressure sensitive gluing also being had to fine antiseized effect, very important realistic meaning will be had.
Summary of the invention
For above-mentioned technical problem, the present invention discloses a kind of anti-adhesive silicone film, comprise base material and coating compound release layer on the substrate, described compound release layer is formed by compound parting agent coating agent, and described compound parting agent coating agent comprises organosilicon parting agent, lipophilic micro mist, breaking-down agent, dispersion agent, bridging agent, catalyzer and solvent.
Preferably, described lipophilic micro mist is one or more in organic micropowder or inorganic micro powder.
Preferably, described organic micropowder be nonnitrogenous, phosphorus, element sulphur, be insoluble to toluene, ethyl acetate or alkane, fusing point is greater than in the organism of 80 DEG C one or more.
Preferably, described inorganic micro powder is one or more in gas-phase silica, precipitated silica, silicon powder, diatomite, molecular sieve, carbon black, glass microballon, metal-salt and metal oxide.
Preferably, described lipophilic micro mist is the lipophilic micro mist of particle size range 0.05 ~ 100 micron.
Preferably, described lipophilic micro mist accounts for 1% ~ 100% mass parts of organosilicon parting agent dry weight.
The preparation method of anti-adhesive silicone film of the present invention, comprises the following steps:
Step one, by the drying more than 60 minutes in the vacuum drying oven of 60 DEG C of lipophilic micro mist;
Step 2, joins dispersion mixing in container, obtained micro mist dispersion liquid by also closing the lipophilic micro mist, end group polyisobutene class hyper-dispersant, breaking-down agent, solvent and the parting agent that are cooled to room temperature after vacuum-drying;
Step 3, by bridging agent and solvent mixing, obtained bridging agent diluent;
Step 4, mixes catalysts and solvents, obtained catalyst dilution liquid;
Step 5, mixes particle dispersion liquid, bridging agent diluent, catalyst dilution liquid and solvent, obtained compound parting agent coating agent;
Step 6, is coated in compound parting agent coating agent the substrate surface that surface free energy is not less than 52 dynes per centimeter;
Step 7, carries out precipitation, solidification by the base material being coated with compound parting agent coating agent in baking oven.
The invention has the beneficial effects as follows: make compound release layer coating agent by adding specific lipophilic micro mist in silicone release agent, be coated on base material with this compound parting agent coating agent and make film class non-stick material, it is protruding that micro mist in non-stick material release layer forms a large amount of point-like on release layer surface, the contact form of this non-stick material and the agent of matching used silicone pressure sensitive gluing is contacted by face-face and changes into point-face contact, thus make anti-adhesive silicone film of the present invention also have anti-adhesion effects to organosilicon sizing agent; Change the particle size range of micro mist, the antiseized of the thick sizing agent of different glue can be adapted to; Change the consumption of micro mist, actual anti-adhesion effects can be adjusted.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of anti-adhesive silicone film of the present invention.
In figure, 1-base material; The agent of 2-silicone release; 3-lipophilic micro mist.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification sheets word to make those skilled in the art.
As shown in the figure, the present invention discloses a kind of anti-adhesive silicone film, comprise base material 1 and be coated in the compound release layer on described base material 1, described compound release layer is formed by compound parting agent coating agent, and described compound parting agent coating agent comprises organosilicon parting agent 2, lipophilic micro mist 3, breaking-down agent, dispersion agent, bridging agent, catalyzer and solvent.
Preferably, described lipophilic micro mist 3 is one or more in organic micropowder or inorganic micro powder.
Preferably, described organic micropowder be nonnitrogenous, phosphorus, element sulphur, be insoluble to toluene, ethyl acetate or alkane, fusing point is greater than in the organism of 80 DEG C one or more.
Preferably, described inorganic micro powder is one or more in gas-phase silica, precipitated silica, silicon powder, diatomite, molecular sieve, carbon black, glass microballon, metal-salt and metal oxide.
Preferably, described lipophilic micro mist 3 is the lipophilic micro mist of particle size range 0.05 ~ 100 micron.
Preferably, described lipophilic micro mist 3 accounts for 1% ~ 100% mass parts of organosilicon parting agent dry weight.
The preparation method of anti-adhesive silicone film of the present invention, comprises the following steps:
Step one, by the drying more than 60 minutes in the vacuum drying oven of 60 DEG C of lipophilic micro mist;
Step 2, joins dispersion mixing in container, obtained micro mist dispersion liquid by also closing the lipophilic micro mist, end group polyisobutene class hyper-dispersant, breaking-down agent, solvent and the parting agent that are cooled to room temperature after vacuum-drying;
Step 3, by bridging agent and solvent mixing, obtained bridging agent diluent;
Step 4, mixes catalysts and solvents, obtained catalyst dilution liquid;
Step 5, mixes particle dispersion liquid, bridging agent diluent, catalyst dilution liquid and solvent, obtained compound parting agent coating agent;
Step 6, is coated in compound parting agent coating agent the substrate surface that surface free energy is not less than 52 dynes per centimeter;
Step 7, carries out precipitation, solidification by the base material being coated with compound parting agent coating agent in baking oven.
Specifically tell about anti-adhesive silicone film of the present invention and preparation method thereof below.
Embodiment 1:
Anti-adhesive silicone film of the present invention, it is a kind of antiadhesion barrier of alternative fluorine element non-stick material, described anti-adhesive silicone film is made up of PET base material and the compound parting agent be coated in described PET base material, and described compound parting agent comprises organosilicon parting agent Syl-Off
?sB 7458, Syl-Off
?sB 7200, particle diameter are lipophilic precipitated silica particulate, the bridging agent Syl-Off of 30 μm
?7672, catalyst S yl-Off
?4000, breaking-down agent Syl-Off
?297, end group polyisobutene class hyper-dispersant and solvent toluene.
The preparation method of anti-adhesive silicone film of the present invention is:
First, in only clean stainless steel vessel, pour 3000g toluene into, then pour the Syl-Off of 100g into
?sB 7200, stirring and dissolving; To Syl-Off
?slowly add the lipophilic precipitated silica particulate that the end group polyisobutene class hyper-dispersant of 3g and diameter are 30 μm in SB 7200 toluene solution, stir 5 minutes, until mix evenly after add the breaking-down agent Syl-Off of 3g more respectively
?297 and the Syl-Off of 900g
?sB 7458, stirs 5 minutes mixs even, then disperses more than 15 minutes with shearing dispersion machine, dispersion effect microscopic, regulate dispersion intensity and jitter time, until be uniformly dispersed, obtain compound parting agent dispersion liquid; In compound parting agent dispersion liquid, 1% Syl-Off of 600g is added successively under whipped state
?1% Syl-Off of 7672 toluene solutions, 500g
4000 toluene solutions, and add about 900g toluene, continue stirring more than 10 minutes, obtain compound parting agent coating agent.By the compound parting agent coating agent release film coating machine prepared, the PET base material being not less than 52 dynes per centimeter at surface free energy is coated with, controlling wet film glue spread is 10g/m
2-20g/m
2between; Coating Speed is depending on baking oven length, and generally between 15m/min-60m/min, oven temperature is 60 DEG C ~ 80 DEG C in precipitation section, and solidification section is at 120 DEG C ~ 150 DEG C; Require release layer completion of cure.
To be coated with and the dry silicon glue spread Xray fluorescence spectrometer of the antiadhesion barrier solidified detects, to control the dry silicon glue spread of silicone release agent at 0.5 g/m
2-1.0 g/m
2between; Detect the actual off-type force of anti-adhesive silicone film prepared by embodiment 1, test with the organic pressure-sensitive gel band that dry glue thickness is 0.025mm, actual peeling force is less than 0.08N/25mm.
Embodiment 2:
Anti-adhesive silicone film of the present invention, be made up of PET base material and the compound parting agent be coated in described PET base material, described compound parting agent comprises organosilicon parting agent Syl-Off
?sL 7688, Syl-Off
?297, particle diameter is lipophilic silicon powder, the bridging agent Syl-Off of 35 μm
?7672, catalyst S yl-Off
?4000, end group polyisobutene class hyper-dispersant and solvent toluene.
The preparation method of anti-adhesive silicone film of the present invention is:
First, in only clean stainless steel vessel, pour 3000g toluene into, slowly add the lipophilic silicon powder that the end group polyisobutene class hyper-dispersant of 3g and particle diameter are 35 μm, stir 5 minutes mixs evenly after add the breaking-down agent Syl-Off of 3g more respectively
?297 and the Syl-Off of 1000g
?sL 7688, stirs 5 minutes mixs even, then disperses more than 15 minutes with shearing dispersion machine, dispersion effect microscopic, regulate dispersion intensity and jitter time, until be uniformly dispersed, obtain compound parting agent dispersion liquid; In compound parting agent dispersion liquid, 1% Syl-Off of 600g is added successively under whipped state
?1% Syl-Off of 7672 toluene solutions and 500g
?4000 toluene solutions, and add about 900g toluene, continue stirring more than 10 minutes, obtain compound parting agent coating agent.By the compound parting agent coating agent release film coating machine prepared, the PET base material being not less than 52 dynes per centimeter at surface free energy is coated with, controlling wet film glue spread is 10g/m
2-20g/m
2between; Coating Speed is depending on baking oven length, and generally between 15m/min ~ 60m/min, oven temperature is 60 DEG C ~ 80 DEG C in precipitation section, and solidification section is at 120 DEG C ~ 150 DEG C; Require release layer completion of cure.
To be coated with and the dry silicon glue spread Xray fluorescence spectrometer of the antiadhesion barrier solidified detects, to control the dry silicon glue spread of silicone release agent at 0.5 g/m
2-1.0 g/m
2between; Detect the actual off-type force of antiadhesion barrier prepared by embodiment 2, test with the organic pressure-sensitive gel band that dry glue thickness is 0.030mm, actual peeling force is less than 0.10N/25mm.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. an anti-adhesive silicone film, it is characterized in that, comprise: base material and coating compound release layer on the substrate, described compound release layer is formed by compound parting agent coating agent, and described compound parting agent coating agent comprises organosilicon parting agent, lipophilic micro mist, breaking-down agent, dispersion agent, bridging agent, catalyzer and solvent.
2. anti-adhesive silicone film according to claim 1, is characterized in that: described lipophilic micro mist is one or more in organic micropowder or inorganic micro powder.
3. anti-adhesive silicone film according to claim 2, is characterized in that: described organic micropowder be nonnitrogenous, phosphorus, element sulphur, be insoluble to toluene, ethyl acetate or alkane, fusing point is greater than in the organism of 80 DEG C one or more.
4. anti-adhesive silicone film according to claim 2, is characterized in that: described inorganic micro powder is one or more in gas-phase silica, precipitated silica, silicon powder, diatomite, molecular sieve, carbon black, glass microballon, metal-salt and metal oxide.
5. anti-adhesive silicone film according to claim 1, is characterized in that: described lipophilic micro mist is the lipophilic micro mist of particle size range 0.05 ~ 100 micron.
6. anti-adhesive silicone film according to claim 1, is characterized in that: described lipophilic micro mist accounts for 1% ~ 100% mass parts of organosilicon parting agent dry weight.
7. the preparation method of the anti-adhesive silicone film according to any one of claim 1 ~ 6, is characterized in that, comprise the following steps:
Step one, by the drying more than 60 minutes in the vacuum drying oven of 60 DEG C of lipophilic micro mist;
Step 2, joins dispersion mixing in container, obtained micro mist dispersion liquid by also closing the lipophilic micro mist, end group polyisobutene class hyper-dispersant, breaking-down agent, solvent and the parting agent that are cooled to room temperature after vacuum-drying;
Step 3, by bridging agent and solvent mixing, obtained bridging agent diluent;
Step 4, mixes catalysts and solvents, obtained catalyst dilution liquid;
Step 5, mixes particle dispersion liquid, bridging agent diluent, catalyst dilution liquid and solvent, obtained compound parting agent coating agent;
Step 6, is coated in compound parting agent coating agent the substrate surface that surface free energy is not less than 52 dynes per centimeter;
Step 7, carries out precipitation, solidification by the base material being coated with compound parting agent coating agent in baking oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755195.0A CN104388007A (en) | 2014-12-11 | 2014-12-11 | Organic silicon anti-adherent film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755195.0A CN104388007A (en) | 2014-12-11 | 2014-12-11 | Organic silicon anti-adherent film and preparation method thereof |
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| CN104388007A true CN104388007A (en) | 2015-03-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403939A (en) * | 2015-10-26 | 2016-03-16 | 浙江龙游道明光学有限公司 | Manufacturing method of light-reflecting warning tape |
| CN109466124A (en) * | 2017-12-27 | 2019-03-15 | 宁波长阳科技股份有限公司 | A kind of release film |
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| CN1693395A (en) * | 2005-06-16 | 2005-11-09 | 海南赛诺实业有限公司 | Separated coating film and its preparation process |
| CN101233204A (en) * | 2005-08-01 | 2008-07-30 | 艾利丹尼森公司 | Release liner and method of using same |
| CN101235260A (en) * | 2008-02-28 | 2008-08-06 | 永大（中山）有限公司 | Low noise adhesive tape and its preparing process |
| JP2013511415A (en) * | 2009-11-24 | 2013-04-04 | フータマキ フィルムズ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Release film with foam structure |
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2014
- 2014-12-11 CN CN201410755195.0A patent/CN104388007A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693395A (en) * | 2005-06-16 | 2005-11-09 | 海南赛诺实业有限公司 | Separated coating film and its preparation process |
| CN101233204A (en) * | 2005-08-01 | 2008-07-30 | 艾利丹尼森公司 | Release liner and method of using same |
| CN101235260A (en) * | 2008-02-28 | 2008-08-06 | 永大（中山）有限公司 | Low noise adhesive tape and its preparing process |
| JP2013511415A (en) * | 2009-11-24 | 2013-04-04 | フータマキ フィルムズ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Release film with foam structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403939A (en) * | 2015-10-26 | 2016-03-16 | 浙江龙游道明光学有限公司 | Manufacturing method of light-reflecting warning tape |
| CN109466124A (en) * | 2017-12-27 | 2019-03-15 | 宁波长阳科技股份有限公司 | A kind of release film |
| CN109466124B (en) * | 2017-12-27 | 2021-08-06 | 宁波长阳科技股份有限公司 | Release film |
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Effective date of abandoning: 20170620 |
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