Patent AU-2013280006-A1 (AU)
Title: Preparation method for polyester/polyvinyl glyoxal hot melt adhesive having a semi-interpenetrating network structure
Inventor: LI ZHELONG
IPC: C08G63/183
Filed: 2013-06-20
Abstract: (12) tfI1W&PieSA iW (10) (43)E~# WO 2013/189294 A1 2013 * 12,T] 27 H (27.12.2013) WIPO I P W CT (51) 04"*13#9: ERTY AGENCY); 1 dJ IM fi 789 V 1 K C09J167/02 (2006.01) C08G 63/183 (2006.01) 341 r, Shanghai 200335 (CN)o C09J 129/14 (2006.01) (21) RR$ t': PCT/CN2013/077547 tP): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, (22) 0 FY * : 2013 F 6 A 20 H (20.06.2013) BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, Fl, GB, (25) $4*c: GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, (26) 4*i :A LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, (30) g . NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, 202158 . 2RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, 201210581743.3 2012 T 12 19 28 H (28.12.2012) CN SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, (71) *WA : Li* JflPR4$ (KUNSHAN VN, ZA, ZM, ZWo TIANYANG HOT MELT ADHESIVE CO.,LTD.) (84) It*Th W - TdiZIX [CN/CN]; 1:P N WAVfPEi J -T4% f 366 ' tf): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, Jiangsu 215341 (CN)0 RW, SD, SL, SZ TZ, UG, ZM, ZW), [ A (AM, AZ (SHANGHAI TIANYANG HOT MELT ADHESIVE BY, KG, KZ, RU, TJ, TM), ZMd (AL, AT, BE (A, ,CH CO.,LTD.) [CN/CN]; +P N 50 BY KG K#A RU, TJ, TM) VI (AL AT5EB,5H Shanghai [CN/CN o(EAS5 CY, CZ, DE, DK, EE, ES, Fl, FR, GB, GR, HR, HU, IE, y, Shanghai 201802 (CN)o[ (EAST IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, CHINA UNIVERSITY OF SCIENCE AND TECHNO- RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, LOGY)f[CN/CN]; F2hbY$t fCtL F'$ 130t 5, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)o Shanghai 200237 (CN) o (72) A flA: T A (LI, Zhelong); NI MR VM - T F$ 505 , Shanghai 201802 (CN) *( 2 3 (ZHU, Wanyu); N1 * M A EX MT t 505 A - kdftfJt$i$'7, N 1i$ Shanghai 201802 (CN) o A * (WU, Fangqun); )([ 48.2(h))o N I * M T Y 505 5, Shanghai 201802 -21# & AlidJ, 7*2 1 (2)(a)Pf*QAf) lt (CN)0 o fWW (ZENG, Zuoxiang); +' A W 5 p Z [ ExltM 130 Shanghai 200237 (CN)o -(74)R A *fir* fg4 C* t ti0 (SHANGHAI SAVVY INTELLECTUAL PROP (54) Title: PREPARATION METHOD FOR POLYESTER/POLYVINYL GLYOXAL HOT MELT ADHESIVE HAVING A SEMI-INTERPENETRATING NETWORK STRUCTURE -(5 4) V At M WVWAU/WL Y 1L_#: *Nn $I 'r) (57) Abstract: A polyester/polyvinyl glyoxal hot melt adhesive having a semi-interpenetrating network structure and preparation technique therefor, mainly comprising the following steps: 1) placing a certain amount of dimethyl terephthalate and other dibsic es ters, 1,4-butanediol and other diols, and an organic tin catalyst into a reactor, conducting an ester exchange reaction under the pro tection of nitrogen till the distillate quantity of the byproduct, monohydric alcohol, is above the theoretical quantity of 95%, and ending the ester exchange reaction; 2) maintaining the temperature for a period, adding a stabilizer and a polycondensation catalyst, continuing to raise the reaction temperature, performing polycondensation under a reduced pressure to obtain copolymer particles, and freezing and crushing to obtain copolymer powder; 3) adding a mixture of polyvinyl alcohol (PVA)/oxalic acid to the product of step 2), stirring under the normal temperature to make even, and producing the target product. The product can form a semi-interpen 0 etrating network structure under an operation temperature. HL A f l hfihRfJl t P n' 1,4T ±f itL 9T _V h hn s, H-&H, l o4 1 1Wf k'1j +AF__R&A L- P4AW R-T - , * M,~j qL55 ;k -FI 4 AWRhItljJ AE I MtFk Li~ & IA-~Vt T T'fn~/~ tb"Tt XNh t _f§M t",M;4