Patent SG-11201809681W-A (SG)
Title: Low-to-mid range water-reducing polymer with mixed polyoxyalkylene side chains
Inventor: KUO LAWRENCE
IPC: C04B24/28
Filed: 2017-05-02
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 111111111111111111111111111111111111111111111111111111111111 1111111111111 0111111 Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\"\" WO 2017/192507 Al 09 November 2017 (09.11.2017) W I P0 I P C T (51) International Patent Classification: TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, CO4B 24/26 (2006.01) CO4B 24/28 (2006.01) KM, ML, MR, NE, SN, TD, TG). (21) International Application Number: PCT/US2017/030532 Published: — with international search report (Art. 21(3)) (22) International Filing Date: 02 May 2017 (02.05.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/144,958 03 May 2016 (03.05.2016) US (71) Applicant: GCP APPLIED TECHNOLOGIES INC. [US/US]; 62 Whittemore Ave., Cambridge, MA 02140 (US). (72) Inventor: KUO, Lawrence, L.; 43 Lexington Drive, Ac- ton, MA 01720 (US). (74) Agent: LEON, Craig, K.; GCP Applied Technologies, 62 Whittemore Ave., Cambridge, MA 02140 (US). 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, 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. = (81) 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, (84) Title: LOW-TO-MID RANGE WATER-REDUCING POLYMER WITH MIXED POLYOXYALKYLENE SIDE CHAINS (54) : Methods for plasticizing cementitious mixtures having relatively high water/cement ratio (at least 0.40 or higher) are (57) It surprisingly improved in terms of dosage efficiency, compared to conventional \"superplasticizer\" polycarboxylate polymers, when the 45 C comb-type carboxylate copolymer is formed from two different polyether side chains, specifically selected monomer constituents: (A) IN first polyoxyalkylene monomer represented by structural formula (R1)(R3)C=C(R2X(CH2)4C0).0(CH2)0(AO)pR4) wherein (A0) p 0 in represents linear alkylene oxide and p is an integer of 5-23; (B) second polyoxyalkylene monomer represented by structural formula (R') N 3 CiN (R K=C(R 2 X(CH2)m(C0)„0(CH2)0(A0),A 4 ) wherein (A0) q represents linear alkylene oxide groups and q is an integer of 20 to 200; 1-1 ---. (C) unsaturated carboxylic acid monomer represented by (R 5 )(R 7 )C=C(R 6 )(C(0)0M) wherein M represents an alkali metal, and the IN ratio of component A to component B is 20:80 to 50:50; and, optionally, (D) a water- soluble monomer represented by (R 8 )(R 9 )C=C(R 1° ) 0 (X) wherein R 8 , R 9 , and R 10 each represent hydrogen or methyl group, and X represents C(0)NH2, C(0)NHR 11 , C(0)NR 12 R , OR 13 14 , ei 1 R 12 R13 each represent a Cl to C5 alkyl , , , and — tc 14 SO3H, C6H4S03H, or C(0)NHC(CH3)2CH2S03H, or mixture thereof, wherein R 1 group.