(12) International Application Status Report

Received at International Bureau: 19 September 2017 (19.09.2017)

Information valid as of: 13 July 2018 (13.07.2018)

Report generated on: 18 March 2019 (18.03.2019)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2018/04827215 March 2018 (15.03.2018) Korean (KO)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/KR2017/00995011 September 2017 (11.09.2017) Korean (KO)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
10-2016-0117135 (KR)12 September 2016 (12.09.2016) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
C09J 133/12 (2006.01); C09J 175/14 (2006.01); C09J 7/02 (2006.01)

(71) Applicant(s):
DONGWOO FINE-CHEM CO., LTD. [KR/KR]; 132, Yakchon-ro Iksan-si, Jeollabuk-do 54631 (KR) (for all designated states)

(72) Inventor(s):
CHOI, Han-Young; 102-906, 151-9, Gungdong-ro Iksan-si, Jeollabuk-do 54551 (KR)
JUNG, Kyong-Moon; 43, Baeksu-ro 15-gil, Baeksu-eup Yeonggwang-gun, Jeollanam-do 57027 (KR)
PARK, Yil-Sung; 5-505, 231, Juseung-ro, Nam-gu Incheon 22241 (KR)
YU, Byung-Muk; 45-5, Bijeon 1-ro Pyeongtaek-si, Gyeonggi-do 17880 (KR)

(74) Agent(s):
HANYANG PATENT FIRM; Hanyang building, 12, Nonhyeonro 38-gil, Gangnam-gu Seoul 06296 (KR)

(54) Title (EN): OPTICAL TRANSPARENT ADHESIVE COMPOSITION, OPTICAL TRANSPARENT ADHESIVE FILM AND FLAT PANEL DISPLAY INCLUDING SAME
(54) Title (FR): COMPOSITION ADHÉSIVE TRANSPARENTE OPTIQUE, FILM ADHÉSIF TRANSPARENT OPTIQUE ET ÉCRAN PLAT LA COMPRENANT
(54) Title (KO): 광학 투명 점착제 조성물, 그를 포함하는 광학 투명 점착 필름 및 평판표시장치

(57) Abstract:
(EN): The present invention provides an optical transparent adhesive composition characterized in that a photocurable (meth)acrylate copolymer contains 95 to 99.9% by weight of a hydroxy group-containing acrylic copolymer and 0.1 to 5% by weight of an isocyanate group-containing (meth)acrylate monomer, with respect to the total weight of the constitutional units contained in the copolymer, wherein the hydroxy group-containing acrylic copolymer and the isocyanate group-containing (meth)acrylate monomer form a urethane bond, and wherein the hydroxy group-containing acrylic copolymer contains 50 to 89% by weight of C4-C12 linear or branched alkyl acrylate monomers having a glass transition temperature of -70 to -50℃, and 11 to 50% by weight of hydroxy C4-C6 linear or branched alkyl acrylate monomers having a glass transition temperature of -60 to -40℃, with respect to the total weight of the monomers contained in the copolymer, and has a weight average molecular weight of 200,000 to 1,000,000.
(FR): La présente invention concerne une composition adhésive transparente optique caractérisée en ce qu'un copolymère de (méth)acrylate photodurcissable contient de 95 à 99,9 % en poids d'un copolymère acrylique contenant un groupe hydroxy et de 0,1 à 5 % en poids d'un monomère de (méth)acrylate contenant un groupe isocyanate, par rapport au poids total des unités constitutives contenues dans le copolymère, le copolymère acrylique contenant un groupe hydroxy et le monomère de (méth)acrylate contenant un groupe isocyanate formant une liaison uréthane, et le copolymère acrylique contenant un groupe hydroxy contenant de 50 à 89 % en poids de monomères d'acrylate d'alkyle linéaires ou ramifiés en C4 -C12 présentant une température de transition vitreuse située dans la plage allant de -70 à -50 °C, et de 11 à 50 % en poids de monomères d'acrylate d'alkyle linéaire ou ramifié en C4-C6 d'hydroxy présentant une température de transition vitreuse située dans la plage allant de -60 à -40 °C, par rapport au poids total des monomères contenus dans le copolymère, et présente un poids moléculaire moyen en poids situé dans la plage allant de 200 000 à 1 000 000.
(KO): 본 발명은 상기 광경화성 (메타)아크릴레이트 공중합체는 공중합체에 포함되는 구성단위 총 중량에 대하여 히드록시기 함유 아크릴계 공중합체 95~99.9 중량% 및 이소시아네이트기 함유 (메타)아크릴레이트계 단량체 0.1~5 중량%를 포함하며, 상기 히드록시기 함유 아크릴계 공중합체와 이소시아네이트기 함유 (메타)아크릴레이트계 단량체가 우레탄 결합을 형성한 것이며, 상기 히드록시기 함유 아크릴계 공중합체는 공중합체에 포함된 단량체 총 중량에 대하여 유리전이온도 -70 ~ -50℃인 C4~C12의 직쇄 또는 분지쇄 알킬 아크릴레이트 단량체 50~89 중량%와 유리전이온도(Tg)가 -60 ~ -40℃인 히드록시 C4~C6 직쇄 또는 분지쇄 알킬 아크릴레이트 단량체 11~50 중량%를 포함하며, 중량평균분자량이 20만 내지 100만인 것을 특징으로 하는 광학 투명 점착제 조성물을 제공한다.

International search report:
Received at International Bureau: 22 June 2018 (22.06.2018) [KR]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) 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, JO, 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
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 (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG
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 Organization (EAPO) : AM, AZ, BY, KG, KZ, RU, TJ, TM