SG11201906606WA - Biodegradable hot melt adhesives - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 26 July 2018 (26.07.2018) WIP0 I PCT omit VIII °nolo oiloomillowo oimIE (10) International Publication Number WO 2018/136679 Al (51) International Patent Classification: TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, C09J 5/06 (2006.01) C09J 167/04 (2006.01) (21) International Application Number: PCT/US2018/014321 (22) International Filing Date: 19 January 2018 (19.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/448,483 20 January 2017 (20.01.2017) US (71) Applicant: DANIMER BIOPLASTICS, INC. [US/US]; 1301 Colquitt Highway, Bainbridge, GA 39817 (US). (72) Inventors: CARRAWAY, Daniel; 1301 Colquitt High- way, Bainbridge, GA 39817 (US). WANN, Steven; 1301 Colquitt Highway, Bainbridge, GA 39817 (US). ARNOLD, Rachelle; 1301 Colquitt Highway, Bainbridge, GA 39817 (US). BROWN GRUBBS, III Joseph; 1301 Colquitt High- way, Bainbrindge, GA 39817 (US). (74) Agent: GONCE, J., David et al.; Luedeka Neely Group, P.C., P.O. Box 1871, Knoxville, TN 37901 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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, KR, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) 1-1 • (54) Title: BIODEGRADABLE HOT MELT ADHESIVES 01 (57) : The present disclosure provides a hot melt adhesive which includes at least the following components: (1) from about IN • 10 to about 20 weight percent of a lactic acid oligomer or polymer having a weight average molecular weight from about 1500 to about • 3000; (2) from about 40 to about 75 weight percent of polylactide having a weight average molecular weight from about 10,000 to M about 18,000; (3) from about 20 to about 35 weight percent of a polyester formed from the copolymerization of one or more diols 1-1 and one or more dicarboxylic acids; and (4) from about 0.5 to about 5 weight percent of a copolymer of vinyl acetate and a mono- unsaturated short chain fatty acid, the fatty acid having from 4 to 12 carbon atoms. All of the aforementioned weight percentages are 1-1 based on the overall weight of the hot melt adhesive. An adhesive-coated substrate and a method for applying a hot melt adhesive to ei a substrate are also disclosed.