CN104877568A - Ultraviolet curable high-strippability anti-adhesive agent used in electronic field - Google Patents
Ultraviolet curable high-strippability anti-adhesive agent used in electronic field Download PDFInfo
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- CN104877568A CN104877568A CN201510247888.3A CN201510247888A CN104877568A CN 104877568 A CN104877568 A CN 104877568A CN 201510247888 A CN201510247888 A CN 201510247888A CN 104877568 A CN104877568 A CN 104877568A
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Abstract
The invention belongs to the technical field of anti-adhesive agents and in particular relates to an ultraviolet curable high-strippability anti-adhesive agent used in the electronic field. The anti-adhesive agent comprises the following raw materials in parts by weight: 50-60 parts of polydimethylsiloxane acrylate, 15-20 parts of aromatic polyurethane acrylate, 5-10 parts of dimethylaminoethyl acrylate, 1-6 parts of photoinitiators, 0.2-0.5 part of levelling agent, 0.5-1 part of pigment and 20-25 parts of graphene. The anti-adhesive agent has the beneficial effects that an ultraviolet sensitive group containing anti-adhesive agent prepolymer adopting a methylacryloyloxy group as the terminal group has higher polysiloxane content and good strippability; the anti-adhesive agent has the effects of saving energy, simplifying the process and improving the product quality, is beneficial to environmental protection and has an extensive development prospect.
Description
Technical field
The invention belongs to release agent technical field, particularly a kind of electronic applications ultraviolet light polymerization height separability release agent.
Background technology
In pressure sensitive substrate, and pressure-sensitive adhesive it is also important that release agent.Use at most in release agent product, technology is also more ripe such as organopolysiloxane.Its development roughly experienced by three phases: solvent-borne type, emulsion-type and no-solvent type (thermofixation and radiation curing two kinds).The first wants the energy and the resource of at substantial, and greatly dangerous in production process, current developed country does not re-use substantially; Although the second overcomes danger and problem of environmental pollution, but still need the at substantial energy, and unstable product quality.The solvent-borne type release agent of thermofixation avoids the defect of front good total type, and product properties is excellent, but because coating process is difficult and still need hot setting to be also unsuitable for the production requirement of heat-sensitive substrate material.The organopolysiloxane release agent of actinic radiation-curable (UV-light, electron beam), overcomes the main drawback of solvent-borne type and latex formulation release agent, can low-temperature curing, so the release treatment of suitable especially heatsensitive substrates.
Paint barrier of polusiloxane is extremely important to label industry, if do not have reliable release agent for pressure sensitive adhesive, in pressure sensitive adhesive, other component just can not exist with present form.And along with development in science and technology, the raising of people's standard of living, for the continuous lifting of target level of product quality, general release agent on the market can not meet new standard new demand with rapid changepl. never-ending changes and improvements, is therefore badly in need of a kind of ultraviolet light polymerization release agent of high stripping performance.
Summary of the invention
The object of the present invention is to provide a kind of electronic applications ultraviolet light polymerization height separability release agent, the present invention adopts the release agent prepolymer containing ultraviolet photosensitive group that methacryloxy group is end group, containing higher polysiloxane level, possesses good stripping performance.Save energy of the present invention, environmental, Simplified flowsheet, improve the quality of products, there is vast potential for future development.
The technical solution used in the present invention is:
A kind of electronic applications ultraviolet light polymerization height separability release agent, be made up of by mass parts following raw material: polymethyl methacrylate siloxanes 50-60 part, aromatic urethane acrylate 15-20 part, dimethylaminoethyl acrylate 5-10 part, light trigger 1-6 part, flow agent 0.2-0.5 part, pigment 0.5-1 part, Graphene 20-25 part.
As preferably, described flow agent is organosilicon flow agent or acrylate flow agent.
As preferably, described light trigger is one or more in 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, phenylbenzene-(2,4,6-trimethylbenzoyl) oxygen phosphorus, benzophenone.
Further, described polymethyl methacrylate siloxanes is containing methyl group, be prepared from by following steps: by dichlorodimethylsilane and prestox ring fourth siloxanes with the ratio mix and blend of mass ratio 1:4 ~ 6, continue 1 ~ 2h, add hydroxypropyl acrylate and hydroxyethyl methacrylate, be heated to 30 ~ 50 DEG C, be uniformly mixed 1 ~ 2h and get final product.
Graphene is a kind of novel material of the individual layer sheet structure be made up of carbon atom.Be a kind ofly form with sp2 hybridized orbital the flat film that hexangle type is honeycomb lattice by carbon atom, only have the two-dimensional material of a carbon atom thickness.Graphene is the thinnest in the world is at present the hardest nano material also, and it is almost completely transparent, only absorbs the light of 2.3%; Thermal conductivity is up to 5300W/mK, and higher than carbon nanotube and diamond, under normal temperature, its electronic mobility is more than 15000cm2/Vs, again than CNT (carbon nano-tube) or silicon wafer height, and resistivity only about 10-6 Ω cm, than copper or silver lower, be the material that resistivity is minimum in the world at present.At present, also report that no matter Graphene is directly prepare on copper or nickel, or transfer on other metals, all can provide anti-corrosion protection.Copper coating cultivates single-layer graphene, adopts chemical Vapor deposition process, and slower than naked copper seven times of corrosion meeting, nickel coating cultivates multi-layer graphene, corrodes slower than naked nickel more than 20 times.Single-layer graphene has identical anti-corrosion protection effect, and just as conventional organic coating, but the latter wants thick more than five times.Interpolation Graphene effectively prevent release agent and in use corrodes by environment and ectocine, thus loses its function effect, causes damage to electronic applications.
The ultraviolet light polymerization release agent of a kind of high stripping performance of the present invention, with dichlorodimethylsilane and prestox ring fourth siloxanes for single main body prepares polymethyl methacrylate siloxanes containing methyl group, can synthesize with methacryloxy group is end group containing the release agent prepolymer of ultraviolet photosensitive group, containing higher polysiloxane level, possesses good stripping performance.Save energy of the present invention, environmental, Simplified flowsheet, improve the quality of products, there is vast potential for future development.
The invention has the beneficial effects as follows as follows:
One, the present invention possesses good stripping performance; Save energy of the present invention, environmental, Simplified flowsheet, improve the quality of products, there is vast potential for future development;
Two, the present invention adopts Graphene to have outstanding antiseptic power, has good acting in conjunction with photocuring system, and effect stability, action effective is long;
Three, energy fast setting of the present invention is dry, environment-protecting asepsis, lasting stability, is suitable for promoting.
Embodiment
The present invention is set forth further below in conjunction with embodiment:
Embodiment 1
A kind of electronic applications ultraviolet light polymerization height separability release agent, be made up of by mass parts following raw material: polymethyl methacrylate siloxanes 50 parts, aromatic urethane acrylate 15 parts, dimethylaminoethyl acrylate 5 parts, 1-hydroxycyclohexyl phenyl ketone 1 part, organosilicon flow agent 0.2 part, pigment 0.5 part, Graphene 20 parts.
Embodiment 2
A kind of electronic applications ultraviolet light polymerization height separability release agent, be made up of by mass parts following raw material: polymethyl methacrylate siloxanes 60 parts, aromatic urethane acrylate 20 parts, dimethylaminoethyl acrylate 10 parts, 6 parts, 2-hydroxy-2-methyl-1-phenyl-1-acetone, acrylate flow agent 0.5 part, pigment 1 part, Graphene 25 parts.
Embodiment 3
A kind of electronic applications ultraviolet light polymerization height separability release agent, be made up of by mass parts following raw material: polymethyl methacrylate siloxanes 55 parts, aromatic urethane acrylate 18 parts, dimethylaminoethyl acrylate 8 parts, phenylbenzene-(2,4,6-trimethylbenzoyl) 4 parts, oxygen phosphorus, organosilicon flow agent 0.4 part, pigment 1 part, Graphene 22 parts.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (4)
1. an electronic applications ultraviolet light polymerization height separability release agent, it is characterized in that being made up of by mass parts following raw material: polymethyl methacrylate siloxanes 50-60 part, aromatic urethane acrylate 15-20 part, dimethylaminoethyl acrylate 5-10 part, light trigger 1-6 part, flow agent 0.2-0.5 part, pigment 0.5-1 part, Graphene 20-25 part.
2. a kind of electronic applications ultraviolet light polymerization height separability release agent according to claim 1, is characterized in that: described flow agent is organosilicon flow agent or acrylate flow agent.
3. a kind of electronic applications ultraviolet light polymerization height separability release agent according to claim 1, it is characterized in that: described light trigger is 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, phenylbenzene-(2,4,6-trimethylbenzoyl) oxygen phosphorus, one or more in benzophenone.
4. a kind of electronic applications ultraviolet light polymerization height separability release agent according to claim 1, it is characterized in that: described polymethyl methacrylate siloxanes is containing methyl group, be prepared from by following steps: by dichlorodimethylsilane and prestox ring fourth siloxanes with the ratio mix and blend of mass ratio 1:4 ~ 6, continue 1 ~ 2h, add hydroxypropyl acrylate and hydroxyethyl methacrylate, be heated to 30 ~ 50 DEG C, be uniformly mixed 1 ~ 2h and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247888.3A CN104877568A (en) | 2015-05-15 | 2015-05-15 | Ultraviolet curable high-strippability anti-adhesive agent used in electronic field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510247888.3A CN104877568A (en) | 2015-05-15 | 2015-05-15 | Ultraviolet curable high-strippability anti-adhesive agent used in electronic field |
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| CN104877568A true CN104877568A (en) | 2015-09-02 |
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| CN201510247888.3A Pending CN104877568A (en) | 2015-05-15 | 2015-05-15 | Ultraviolet curable high-strippability anti-adhesive agent used in electronic field |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348454A (en) * | 1981-03-02 | 1982-09-07 | General Electric Company | Ultraviolet light curable acrylic functional silicone compositions |
| CN104213465A (en) * | 2014-07-31 | 2014-12-17 | 东莞宏石功能材料科技有限公司 | UV paper varnish having separating effect and being ultra-smooth after ultraviolet light curing and preparation method thereof |
| CN104312238A (en) * | 2014-10-28 | 2015-01-28 | 成都纳硕科技有限公司 | Ultraviolet curable adhesive with high stripping performance |
| CN104371510A (en) * | 2014-11-24 | 2015-02-25 | 张家港保税区冠祥贸易有限公司 | Ultraviolet light curable metal anticorrosive paint and preparation method thereof |
-
2015
- 2015-05-15 CN CN201510247888.3A patent/CN104877568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348454A (en) * | 1981-03-02 | 1982-09-07 | General Electric Company | Ultraviolet light curable acrylic functional silicone compositions |
| CN104213465A (en) * | 2014-07-31 | 2014-12-17 | 东莞宏石功能材料科技有限公司 | UV paper varnish having separating effect and being ultra-smooth after ultraviolet light curing and preparation method thereof |
| CN104312238A (en) * | 2014-10-28 | 2015-01-28 | 成都纳硕科技有限公司 | Ultraviolet curable adhesive with high stripping performance |
| CN104371510A (en) * | 2014-11-24 | 2015-02-25 | 张家港保税区冠祥贸易有限公司 | Ultraviolet light curable metal anticorrosive paint and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 洪啸吟等: "《涂料化学》", 31 August 1997, 科学出版社 * |
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Application publication date: 20150902 |