수성 폴리우레탄 수지, 표면 처리제 및 그것을 사용하여표면 처리한 피혁

• Main Authors: SAITO YUSUKE, NANBOKU NAOKI, KONDO KUNIAKI, NISHINO MASAKAZU
• Format: Patent
• Language: Korean
• Published: 21.08.2023
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR; INKS; LAUNDERING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF TEXTILES OR THE LIKE; USE OF MATERIALS THEREFOR; WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL; WOODSTAINS

(a) 유기 폴리이소시아네이트, (b) 폴리올, (c) 음이온성 친수기와 적어도 2개의 활성 수소를 갖는 화합물 및 (d) 다가 알코올의 반응 생성물인 이소시아네이트기 말단 프리폴리머의 중화물의 (e) 아미노기 및/또는 이미노기를 2개 이상 갖는 폴리아민에 의한 쇄신장물인 수성 폴리우레탄 수지이며, 상기 (b) 폴리올이, (b1) 탄소수가 3 내지 10의 정수인 분지 구조를 갖는 디올 유래의 구조 단위를 갖는 폴리카르보네이트디올 및 (b2) 탄소수가 3부터 9까지의 홀수인 직쇄 구조를 갖는 디올 유래의 구조 단위를 갖는 폴리카르보네이트디올로 이루어지는 군에서 선택되는 적어도 1종을 포함하는 것이며, 상기 (d) 다가 알코올이, 적어도 3개 이상의 활성 수소를 갖는 다가 알코올을 포함하는 것인, 수성 폴리우레탄 수지. An aqueous polyurethane resin is a chain-extended product of a neutralized product of an isocyanate group-terminated prepolymer which is a reaction product of (a) an organic polyisocyanate, (b) a polyol, (c) a compound having an anionic hydrophilic group and at least two active hydrogens and (d) a polyhydric alcohol, the chain-extended product being obtained by chain-extending the neutralized product with (e) a polyamine having two or more amino groups and/or imino groups, wherein the polyol contains at least one selected from the group consisting of polycarbonate diols each having a structural unit derived from a diol having a branched structure with an integer of 3 to 10 carbon atoms and polycarbonate diols having a structural unit derived from a diol having a linear structure with an odd number of 3 to 9 carbon atoms, and the polyhydric alcohol contains a polyhydric alcohol having at least three or more active hydrogens.