	US 12,297,150 B2
	Maintenance treatments useful for improving the performance of aged or brittle resinous binders in paving or roofing
Ronald Christopher Williams, Ames, IA (US); Eric W. Cochran, Ames, IA (US); Theodore Huisman, Ames, IA (US); Ashley F. Buss, Ames, IA (US); Irvin Pinto, Ames, IA (US); Nacu Hernandez, Ames, IA (US); Joseph Podolsky, Ames, IA (US); Michael J. Forrester, Ames, IA (US); Maxwell D. Staver, Ames, IA (US); Baker W. Kuehl, Ames, IA (US); and Austin D. Hohmann, Ames, IA (US)
Assigned to IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC., Ames, IA (US)
Filed by IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC., Ames, IA (US)
Filed on Oct. 12, 2021, as Appl. No. 17/499,081.
Claims priority of provisional application 63/090,503, filed on Oct. 12, 2020.
Prior Publication US 2022/0112130 A1, Apr. 14, 2022
Int. Cl. C08L 95/00 (2006.01); C04B 26/26 (2006.01); C09D 195/00 (2006.01); C04B 111/00 (2006.01)

CPC C04B 26/26 (2013.01) [C08L 95/005 (2013.01); C09D 195/00 (2013.01); C04B 2111/0075 (2013.01)]

15 Claims

1. An emulsified coating product comprising:

water;

one or more surfactants; and

one or more rejuvenators of formula (X)

wherein:

each A is selected independently at each occurrence thereof from the group consisting of

and

wherein at least one A is

each

represents the point of attachment to a —CH₂— group;

n is 1, 2, or 3;

R is selected from the group consisting of H, C₁-C₂₃alkyl, and benzyl, wherein the C₁-C₂₃alkyl can be optionally substituted with an aryl, heteroaryl, or heterocyclyl; or

R is selected from the group consisting of

each

represents the point of attachment to a

moiety;

R¹, R², and R³are independently selected from the group consisting of —H and —C(O)R⁴;

R⁴is H, C₁-C₂₃alkyl, or aryl;

wherein the one or more rejuvenators of formula (X) have an N_evalue which is greater than about 1.0 and an N_dvalue less than about N_d,0−1; and

wherein the components form an emulsion.