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1. (WO2018052178) OPTICALLY CLEAR ADHESIVE COMPOSITION, OPTICALLY CLEAR ADHESIVE FILM COMPRISING SAME, AND FLAT DISPLAY DEVICE
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Pub. No.: WO/2018/052178 International Application No.: PCT/KR2017/005951
Publication Date: 22.03.2018 International Filing Date: 08.06.2017
IPC:
C09J 133/10 (2006.01) ,C08J 7/04 (2006.01) ,C08J 5/18 (2006.01) ,C09J 7/02 (2006.01) ,G02B 5/30 (2006.01) ,G02F 1/1335 (2006.01)
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
J
ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
133
Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
04
Homopolymers or copolymers of esters
06
of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
10
Homopolymers or copolymers of methacrylic acid esters
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
7
Chemical treatment or coating of shaped articles made of macromolecular substances
04
Coating
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
5
Manufacture of articles or shaped materials containing macromolecular substances
18
Manufacture of films or sheets
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
J
ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
7
Adhesives in the form of films or foils
02
on carriers
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
30
Polarising elements
G PHYSICS
02
OPTICS
F
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1
Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01
for the control of the intensity, phase, polarisation or colour
13
based on liquid crystals, e.g. single liquid crystal display cells
133
Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333
Constructional arrangements
1335
Structural association of optical devices, e.g. polarisers, reflectors, with the cell
Applicants:
동우 화인켐 주식회사 DONGWOO FINE-CHEM CO., LTD. [KR/KR]; 전라북도 익산시 약촌로 132 132, Yakchon-ro Iksan-si, Jeollabuk-do 54631, KR
Inventors:
최한영 CHOI, Han-Young; KR
정경문 JUNG, Kyong-Moon; KR
박일성 PARK, Yil-Sung; KR
유병묵 YU, Byung-Muk; KR
Agent:
한양특허법인 HANYANG PATENT FIRM; 서울시 강남구 논현로38길 12, 한양빌딩 Hanyang building, 12, Nonhyeonro 38-gil, Gangnam-gu Seoul 06296, KR
Priority Data:
10-2016-011771913.09.2016KR
Title (EN) OPTICALLY CLEAR ADHESIVE COMPOSITION, OPTICALLY CLEAR ADHESIVE FILM COMPRISING SAME, AND FLAT DISPLAY DEVICE
(FR) COMPOSITION ADHÉSIVE OPTIQUEMENT TRANSPARENTE, FILM ADHÉSIF OPTIQUEMENT TRANSPARENT EN COMPRENANT, ET DISPOSITIF À ÉCRAN PLAT
(KO) 광학 투명 점착제 조성물, 그를 포함하는 광학 투명 점착 필름 및 평판표시장치
Abstract:
(EN) The present invention relates to: an optically clear adhesive composition comprising a radiation curable (meth)acrylate copolymer and a photopolymerization initiator, wherein the radiation curable (meth)acrylate copolymer comprises, on the basis of the total weight of the constituent elements contained in the copolymer, 95-99.9 wt% of an acrylic copolymer containing a hydroxyl group and 0.1-5 wt% of a (meth)acrylate-based monomer containing an isocyanate group, the acrylic copolymer containing a hydroxyl group and the (meth)acrylate-based monomer containing an isocyanate group form a urethane bond, and the acrylic copolymer containing a hydroxyl group comprises an ethylene oxide group-containing (meth)acrylate monomer having a glass transition temperature (Tg) of -75°C to -55°C and a hydroxyl group-containing alkyl acrylate monomer and has a weight average molecular weight of 200,000-1,000,000; an optically clear adhesive film comprising the same; and a flat display device.
(FR) La présente invention concerne : une composition adhésive optiquement transparente comprenant un copolymère de (méth)acrylate durcissable par rayonnement et un initiateur de photopolymérisation, le copolymère de (méth)acrylate durcissable par rayonnement comprenant, par rapport au poids total des éléments constitutifs contenus dans le copolymère, 95 à 99,9 % en poids d'un copolymère acrylique contenant un groupe hydroxyle et 0,1 à 5 % en poids d'un monomère à base de (méth)acrylate contenant un groupe isocyanate, le copolymère acrylique contenant un groupe hydroxyle et le monomère à base de (méth)acrylate contenant un groupe isocyanate formant une liaison uréthane, et le copolymère acrylique contenant un groupe hydroxyle comprenant un monomère de (méth)acrylate contenant un groupe d'oxyde d'éthylène présentant une température de transition vitreuse (Tv ) variant de -75 °C à -55 °C et un monomère d'alkylacrylate contenant un groupe hydroxyle et présentant un poids moléculaire moyen en poids variant de 200 000 à 1 000 000. L'invention concerne également un film adhésif optiquement transparent en comprenant ; et un dispositif à écran plat.
(KO) 본 발명은 광경화성 (메타)아크릴레이트 공중합체 및 광중합 개시제를 포함하는 광학 투명 점착제 조성물로서, 상기 광경화성 (메타)아크릴레이트 공중합체는, 공중합체에 포함되는 구성단위 총 중량에 대하여 히드록시기 함유 아크릴계 공중합체 95 내지 99.9 중량% 및 이소시아네이트기 함유 (메타)아크릴레이트계 단량체 0.1 내지 5 중량%를 포함하며, 상기 히드록시기 함유 아크릴계 공중합체와 이소시아네이트기 함유 (메타)아크릴레이트계 단량체가 우레탄 결합을 형성한 것이며, 상기 히드록시기 함유 아크릴계 공중합체는 유리전이온도(Tg)가 -75 내지 -55℃인 에틸렌옥사이드기 함유 (메타)아크릴레이트 단량체 및 히드록시기 함유 알킬 아크릴레이트 단량체를 포함하며, 중량평균 분자량이 20만 내지 100만인 것을 특징으로 하는 광학 투명 점착제 조성물 및 이를 포함하는 광학 투명 점착 필름 및 평판표시장치에 관한 것이다.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)