WO2016052891A1 - 실리콘계 코팅 조성물 및 이를 포함하는 실리콘계 이형필름 - Google Patents
실리콘계 코팅 조성물 및 이를 포함하는 실리콘계 이형필름 Download PDFInfo
- Publication number
- WO2016052891A1 WO2016052891A1 PCT/KR2015/009795 KR2015009795W WO2016052891A1 WO 2016052891 A1 WO2016052891 A1 WO 2016052891A1 KR 2015009795 W KR2015009795 W KR 2015009795W WO 2016052891 A1 WO2016052891 A1 WO 2016052891A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silicone
- coating composition
- weight
- release film
- formula
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
Definitions
- It relates to a silicone-based coating composition and a silicone-based release film comprising the same.
- FPDs Flat panel displays
- display devices such as CRT displays, liquid crystal displays, plasma displays, organic EL displays, inorganic EL displays, LED displays, surface electrolytic displays (SEDs), field emission displays (FEDs), and touch panels using these
- SEDs surface electrolytic displays
- FEDs field emission displays
- Various films are attached for the purpose of preventing scratches, stains, fingerprints, anti-statics, anti-reflections, anti-glare, anti-peeping, and the like of the display surface.
- organic resin adhesives such as an acrylic adhesive and a urethane type adhesive, were used as this film adhesive.
- the pressure-sensitive adhesive film using the pressure-sensitive adhesive film may be rolled up during adhesion, and the display may cause uneven display of luminance, brightness, and color unevenness due to the bubble. In some cases, the display itself may be damaged during peeling and re-peeling. Accordingly, the need for a release film having excellent peeling characteristics has recently emerged.
- One embodiment of the present invention provides a silicone-based coating composition having excellent peeling properties by adjusting the contact angle and surface energy by including a silicon-based compound.
- Another embodiment of the present invention provides a silicone-based release film including a coating layer that is a cured product of the silicone-based coating composition.
- a silicone-based coating composition comprising a silicone-based resin, a silicone-based curing agent, and a thermal initiator, and further comprising a silicone-based compound of Formula 1 below:
- the silicone-based compound may include about 1 part by weight to about 20 parts by weight.
- the silicone resin may be polydimethylsiloxane (PDMS).
- the silicone-based curing agent may be at least one selected from the group consisting of hydrogensilane, toluene, and combinations thereof.
- the silicone-based curing agent may include about 0.5 parts by weight to about 5 parts by weight.
- the thermal initiator may be of Formula 2:
- the silicone coating composition may have a concentration of about 0.5% by weight to about 10% by weight of total solids.
- the substrate layer It provides a silicone-based release film comprising a; and a coating layer which is a cured product of the silicone-based coating composition.
- the contact angle of the coating layer may be about 90 ° to about 120 °.
- the surface energy of the coating layer may be about 15mN / m to about 35mN / m.
- the coating layer may have a thickness of about 50 nm to about 200 nm.
- the substrate layer may have a thickness of about 20 ⁇ m to about 150 ⁇ m.
- the base layer may include one or more selected from the group consisting of polyethylene resin, polyethylene terephthalate resin, polyether ether ketone, paper, and combinations thereof.
- the silicone coating composition may control the contact angle and the surface energy.
- the silicon-based adhesive film may implement excellent peeling characteristics at various interfaces.
- a silicone-based coating composition comprising a silicone-based resin, a silicone-based curing agent, and a thermal initiator, and further comprising a silicone-based compound of Formula 1 below.
- m may be an integer of 1 to 1,000. Specifically, it may be an integer of 10 to 300.
- a silicone resin, a silicone curing agent, and a thermal initiator further include a silicone-based compound of Chemical Formula 1, and by controlling the contact angle and surface energy of the silicone-based coating composition by adding a silicone-based compound of Chemical Formula 1, The release film excellent in the peeling characteristic in an interface can be provided.
- the silicone-based compound serves as a release force modifier, by using the hydrophilicity of the silicone-based compound can lower the surface energy of the coating layer formed of the composition, the wetness control of the substrate layer to be bonded to the coating layer (wetting balance).
- the silicone-based compound may include about 1 part by weight to about 20 parts by weight.
- the silicon-based compound When containing less than about 1 part by weight of the silicon-based compound may be inadequate surface energy control effect of the coating layer formed of the composition, when containing more than about 20 parts by weight of the silicone-based resin may reduce the adhesive effect.
- the silicone resin may be polydimethylsiloxane (PDMS).
- PDMS polydimethylsiloxane
- the peel strength can be increased by controlling the content of wah:
- n is an integer of 1 to 10,000.
- the viscosity of the PDMS About 100 cps to about 20,000 cps. If the viscosity of the PDMS is too low, problems occur when applying and drying the composition on top of the base layer, if too high a problem of flatness of the coating layer formed due to the rapid rise in viscosity may cause a poor peeling force of the release film Can be.
- the silicone-based curing agent may be at least one selected from the group consisting of hydrogensilane, toluene and combinations thereof.
- the silicone-based curing agent may be a hydrogen silane of the general formula (2), the average viscosity of the hydrogen silane may be about 1cps to about 5,000cps:
- the silicone-based curing agent may include about 0.5 parts by weight to about 5 parts by weight.
- the silicon-based curing agent is included in less than about 0.5 parts by weight, there is a risk that the curing is insignificant, and when it contains more than about 5 parts by weight there is a problem such as over-curing, fast curing, change over time, the content of the above range is maintained May help maintain stability upon curing.
- the thermal initiator may be of Formula 2 included in the composition:
- R of Formula 2 surrounds the platinum catalyst, which is not active at low temperatures, so that the platinum catalyst is not exposed, but the bond is broken at a predetermined temperature of about 60 ° C. to about 80 ° C., and the platinum catalyst is exposed to activate the reaction. To control the reaction.
- the composition may include the addition of about 1,000 to 10,000 ppm of a platinum catalyst in a solvent, for example, toluene, in addition to the above-described configuration, wherein the platinum catalyst promotes an addition reaction between the silicone resin and the silicone curing agent under a constant temperature.
- a platinum catalyst promotes an addition reaction between the silicone resin and the silicone curing agent under a constant temperature.
- the platinum catalyst content may be adjusted according to the content of the silicone-based resin and the silicone-based curing agent.
- the curing process by the platinum catalyst of the silicone-based resin and the silicone-based curing agent may be expressed as in the following general formula 3:
- a crosslinking agent In addition to the platinum catalyst, a crosslinking agent, a peel force control agent, a silicone resin for imparting adhesion may be further included.
- the silicone coating composition may have a concentration of about 0.5% by weight to about 10% by weight of total solids.
- concentration of the solid content is less than about 0.5% by weight, coating failure may occur due to insufficient presence of a silicone-based resin on the surface of the substrate layer after coating drying of the composition.
- concentration of the solid content exceeds about 10% by weight, the viscosity of the composition may be rapidly increased. Poor wetting may occur when applied to the layer surface.
- the substrate layer It provides a silicone-based release film comprising a; and a coating layer which is a cured product of the silicone-based coating composition.
- the coating layer may be formed by applying and curing the silicone-based coating composition on the base layer.
- known methods such as a bar coat method, a doctor bleed method, a reverse roll coat method or a gravure roll coat method can be used.
- the silicone coating composition In curing the silicone coating composition, heat, ultraviolet rays, electromagnetic rays, and the like may be used, but curing by heat is advantageous in consideration of the curing rate, ease of obtaining an irradiation apparatus, price, and the like.
- the curing time can be adjusted according to the distance from the light source, the type of the light source.
- thermosetting is advantageously performed at a temperature of about 80 ° C. to about 150 ° C. for about 10 seconds to about 100 seconds in that the curing of the composition is complete to ensure durability.
- 'Contact angle' is the angle at which the thermodynamic equilibrium is achieved on liquid and solid surfaces. It is a measure of the wettability of a solid surface and is measured by water droplets to be mostly fixed. In this case, the low contact angle indicates high surface energy and the high contact angle indicates low surface energy.
- the coating layer exhibits a high contact angle and low surface energy, thereby exhibiting a difference in surface energy from the base layer, thereby ensuring excellent peeling characteristics.
- the contact angle of the coating layer may be about 90 ° to about 120 °.
- the surface energy of the coating layer may be about 15mN / m to about 35mN / m. Specifically, it may be about 15 mN / m to about 30 mN / m.
- the contact angle and the surface energy is a conflicting value, it is possible to obtain a contact angle and surface energy value of the above range by the composition comprising the silicone compound of the formula (1).
- the coating layer may have a thickness of about 50 nm to about 200 nm. If the coating layer is less than about 50nm, the coating layer is too thin, the releasability can be reduced, if it exceeds about 200nm it becomes too thick to cause a long curing time, the problem of durability can be maintained, excellent release stability and maintaining the above range It is advantageous in that curing stability and substrate adhesion can be secured.
- the base layer may include one or more selected from the group consisting of polyethylene resin, polyethylene terephthalate resin, polyether ether ketone, paper, and combinations thereof. Specifically, the thickness of the base layer may be about 20um to about 150um.
- a silicone-based release film was prepared in the same manner as in Example 1.
- a silicone-based release film was prepared in the same manner as in Example 1.
- a silicone-based release film was manufactured in the same manner as in Example 1, except that 15 parts by weight of the silicon-based compound of Formula 1 was included.
- a silicone-based release film was manufactured in the same manner as in Example 1, except that the polyethylene terephthalate resin film was replaced with a polyethylene resin film.
- a polyethylene terephthalate resin film containing no coating layer was prepared.
- the polyethylene resin film which does not contain a coating layer was prepared.
- a silicone-based release film was manufactured in the same manner as in Example 1, except that the silicone-based compound of Formula 1 was not included.
- a silicone-based release film was prepared in the same manner as in Example 5.
- 'Pol' refers to surface energy indicating the polarity propensity calculated by dropping ultrapure water on the films of Examples and Comparative Examples
- 'Dis' refers to the nonpolar propensity calculated by dropping diodomethane. It means the surface energy which shows.
- the total surface energy corresponds to the sum of the surface energies (Pol and Dis).
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
Description
표면에너지 | |||
Dis(mN/m) | Pol(mN/m) | Total(mN/m) | |
실시예1 | 30.31 | 1.22 | 31.53 |
실시예2 | 27.38 | 0.91 | 28.29 |
실시예3 | 25.89 | 0.73 | 26.62 |
실시예4 | 24.62 | 0.50 | 25.12 |
실시예5 | 21.30 | 1.56 | 22.86 |
비교예1 | 42.58 | 3.12 | 45.7 |
비교예2 | 27.34 | 3.96 | 31.3 |
비교예3 | 33.11 | 2.29 | 35.40 |
비교예4 | 26.71 | 3.55 | 30.26 |
Claims (13)
- 제 1항에 있어서,상기 실리콘계 수지 100중량부에 대해서, 상기 실리콘계 화합물 1 중량부 내지 20 중량부를 포함하는실리콘계 코팅 조성물.
- 제 1항에 있어서,상기 실리콘계 수지가 폴리디메틸실록산(Polydimethylsiloxane, PDMS)인실리콘계 코팅 조성물.
- 제 1항에 있어서,상기 실리콘계 경화제가 하이드로겐실란, 톨루엔, 및 이들의 조합으로 이루어진 군으로부터 선택된 하나 이상인실리콘계 코팅 조성물.
- 제 1항에 있어서,상기 실리콘계 수지 100중량부에 대해서, 상기 실리콘계 경화제 0.5중량부 내지 5중량부를 포함하는실리콘계 코팅 조성물.
- 제 1항에 있어서,상기 실리콘계 코팅 조성물은 전체 고형분의 농도가 0.5중량% 내지 10중량%인실리콘계 코팅 조성물.
- 기재층; 및제 1항 내지 제 7항 중 선택된 어느 하나를 포함하는 실리콘계 코팅 조성물의 경화물인 코팅층;을 포함하는실리콘계 이형필름.
- 제 8항에 있어서,상기 코팅층의 접촉각은 90°내지 120°인실리콘계 이형필름.
- 제 8항에 있어서,상기 코팅층의 표면에너지는 15mN/m 내지 35mN/m인실리콘계 이형필름.
- 제 8항에 있어서,상기 코팅층의 두께는 50nm 내지 200nm인실리콘계 이형필름.
- 제 8항에 있어서,상기 기재층의 두께는 20um 내지 150um인실리콘계 이형필름.
- 제 8항에 있어서,상기 기재층은 폴리에틸렌 수지, 폴리에틸렌테레프탈레이트 수지, 폴리에테르에테르케톤, 종이, 및 이들의 조합으로 이루어진 군으로부터 선택된 하나를 포함하는실리콘계 이형필름.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/513,471 US10208229B2 (en) | 2014-09-29 | 2015-09-17 | Silicone-based coating composition and silicone-based release film comprising the same |
JP2017513075A JP6400189B2 (ja) | 2014-09-29 | 2015-09-17 | シリコーン系コーティング組成物及びこれを含むシリコーン系離型フィルム |
CN201580050002.4A CN107075305B (zh) | 2014-09-29 | 2015-09-17 | 基于硅氧烷的涂层组合物和包含其的基于硅氧烷的剥离膜 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20140130552 | 2014-09-29 | ||
KR10-2014-0130552 | 2014-09-29 | ||
KR10-2015-0131236 | 2015-09-16 | ||
KR1020150131236A KR101989905B1 (ko) | 2014-09-29 | 2015-09-16 | 실리콘계 코팅 조성물 및 이를 포함하는 실리콘계 이형필름 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016052891A1 true WO2016052891A1 (ko) | 2016-04-07 |
Family
ID=55630870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/009795 WO2016052891A1 (ko) | 2014-09-29 | 2015-09-17 | 실리콘계 코팅 조성물 및 이를 포함하는 실리콘계 이형필름 |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2016052891A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018178106A (ja) * | 2017-04-06 | 2018-11-15 | 積水化学工業株式会社 | 離型フィルム |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070059680A (ko) * | 2005-12-07 | 2007-06-12 | 도레이새한 주식회사 | 박리력을 조절할 수 있는 실리콘 이형 조성물 및 이를코팅한 실리콘 이형필름 |
KR20090040474A (ko) * | 2006-08-14 | 2009-04-24 | 다우 코닝 코포레이션 | 실리콘 박리 피복 조성물 |
US20100179281A1 (en) * | 2007-07-02 | 2010-07-15 | Jotun A/S | Coating compositions comprising organofunctional polysiloxane polymers, and use thereof |
KR20110049770A (ko) * | 2008-07-07 | 2011-05-12 | 모멘티브 퍼포먼스 머티리얼즈 인크. | 실리콘 조성물 |
US20130302526A1 (en) * | 2012-05-10 | 2013-11-14 | Chris Fish | High performance silicon based thermal coating compositions |
WO2014074372A1 (en) * | 2012-11-08 | 2014-05-15 | 3M Innovative Properties Company | Uv-curable silicone release compositions |
-
2015
- 2015-09-17 WO PCT/KR2015/009795 patent/WO2016052891A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070059680A (ko) * | 2005-12-07 | 2007-06-12 | 도레이새한 주식회사 | 박리력을 조절할 수 있는 실리콘 이형 조성물 및 이를코팅한 실리콘 이형필름 |
KR20090040474A (ko) * | 2006-08-14 | 2009-04-24 | 다우 코닝 코포레이션 | 실리콘 박리 피복 조성물 |
US20100179281A1 (en) * | 2007-07-02 | 2010-07-15 | Jotun A/S | Coating compositions comprising organofunctional polysiloxane polymers, and use thereof |
KR20110049770A (ko) * | 2008-07-07 | 2011-05-12 | 모멘티브 퍼포먼스 머티리얼즈 인크. | 실리콘 조성물 |
US20130302526A1 (en) * | 2012-05-10 | 2013-11-14 | Chris Fish | High performance silicon based thermal coating compositions |
WO2014074372A1 (en) * | 2012-11-08 | 2014-05-15 | 3M Innovative Properties Company | Uv-curable silicone release compositions |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018178106A (ja) * | 2017-04-06 | 2018-11-15 | 積水化学工業株式会社 | 離型フィルム |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015023063A1 (ko) | 플렉서블 터치 스크린 패널의 제조 방법 | |
WO2017082654A1 (ko) | 광학적층체 및 이를 포함하는 화상표시장치 | |
WO2020209450A1 (ko) | 불소기 함유 이형 필름 | |
WO2018135866A1 (ko) | Oled 패널 하부 보호필름 및 이를 포함하는 유기발광표시장치 | |
WO2014137065A1 (ko) | 광학적 특성 및 내스크래치성이 우수한 비산 방지 필름 및 그 제조 방법 | |
WO2018208049A1 (ko) | 광학 적층체 및 이를 포함하는 플렉서블 디스플레이 | |
WO2015080428A1 (ko) | 접착 필름 형성용 조성물, 광경화전 가공용 점착 필름, 접착 필름 및 전자종이 표시장치 | |
KR101989905B1 (ko) | 실리콘계 코팅 조성물 및 이를 포함하는 실리콘계 이형필름 | |
KR20110052483A (ko) | 실리콘 점착제 조성물 및 점착 필름 | |
WO2020101319A1 (ko) | 밀봉재 조성물 | |
KR101927851B1 (ko) | 점착제용 이형성 조성물, 이를 포함하는 이형필름, 및 이를 이용한 시트 제조방법 | |
WO2009145564A2 (ko) | 보호필름 | |
WO2018004050A1 (ko) | 반도체 웨이퍼의 하프커팅 후 이면 연삭 가공용 자외선 경화형 점착시트 | |
WO2016052919A1 (ko) | 무광 코팅 조성물, 무광 코팅 시트 및 이의 제조방법 | |
WO2018021674A1 (ko) | 광경화 수지 조성물 및 이의 용도 | |
WO2016032157A1 (ko) | 비산 방지 필름 및 이의 제조방법 | |
WO2009145565A2 (ko) | 보호필름 | |
WO2017073883A1 (ko) | 실리콘 점착제 조성물 | |
WO2016003057A1 (ko) | 광학부재용 점착제 조성물, 이를 포함하는 광학부재 및 이를 포함하는 광학표시장치 | |
WO2022196878A1 (ko) | 실리콘계 조성물 및 이의 경화물 | |
WO2017061634A1 (ko) | 리버스백릿 필름 및 그 제조방법 | |
CN110041847B (zh) | 一种温控性粘离胶及包含其的温控性粘离膜 | |
WO2016052891A1 (ko) | 실리콘계 코팅 조성물 및 이를 포함하는 실리콘계 이형필름 | |
CN108136740A (zh) | 包括玻璃状层的复合结构和形成方法 | |
WO2016052883A1 (ko) | 편광판 및 이를 구비한 화상 표시 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15846273 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2017513075 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15513471 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15846273 Country of ref document: EP Kind code of ref document: A1 |