	US 12,139,619 B2
	Binder composition based on biosourced ingredients and use thereof for forming non-woven glass-fibre webs
Léo Simonin, Paris (FR)
Assigned to SAINT-GOBAIN ADFORS, Courbevoie (FR)
Appl. No. 18/037,803
Filed by SAINT-GOBAIN ADFORS, Courbevoie (FR)
PCT Filed Nov. 19, 2021, PCT No. PCT/FR2021/052042 § 371(c)(1), (2) Date May 19, 2023, PCT Pub. No. WO2022/106789, PCT Pub. Date May 27, 2022.
Claims priority of application No. 2011924 (FR), filed on Nov. 20, 2020.
Prior Publication US 2023/0407125 A1, Dec. 21, 2023
Int. Cl. C09D 103/02 (2006.01); C03C 25/1095 (2018.01); C03C 25/321 (2018.01); C09D 7/63 (2018.01); C09D 7/65 (2018.01)

CPC C09D 103/02 (2013.01) [C03C 25/1095 (2013.01); C03C 25/321 (2013.01); C09D 7/63 (2018.01); C09D 7/65 (2018.01); D06N 2201/082 (2013.01)]

14 Claims

1. An aqueous binder composition, comprising:

10 to 40% by weight of a hydrogenated sugar,

25 to 55% by weight of citric acid,

25 to 50% by weight of a polysaccharide, which is dissolved in the aqueous binder composition and is selected from the group consisting of a dextrin having a weight-average molar mass of between 150,000 and 2,000,000 and a solubility in water of between 50 and 85% at ambient temperature and a functionalized starch, and

1 to 10% by weight of sodium hypophosphite or hypophosphorous acid,

said percentages being expressed relative to a total dry weight of the binder composition.