IP Library › Granted Patent US 12,565,568
Granted Patent B2
US 12,565,568 · App. 17/602,005 · Granted Mar 3, 2026

Aqueous binder compositions

Inventors: Gert Mueller (New Albany, OH); Xiujuan Zhang (New Albany, OH); Liang Chen (New Albany, OH); Jose Mendez-Andino (Columbus, OH)
Assignee: Owens Corning Intellectual Capital, LLC
C08J5/249C08F16/06C08J5/244C08K5/053C08K5/17C08F2810/20C08J2329/04
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Quick Facts
Patent No.
US 12,565,568
App. No.
17/602,005
Granted
Mar 3, 2026
Kind
B2
Abstract

An aqueous binder composition is disclosed that comprises at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons; a primary cross-linking agent comprising at least two carboxylic acid groups; and a secondary cross-linking agent comprising a short-chain polyol having at least two hydroxyl groups and a number average molecular weight less than 2,000 Daltons.

Claims (41)

1 . An aqueous binder composition comprising:

at least 65 wt. % of a polymeric cross-linking agent comprising at least two carboxylic acid groups, based on the total solids content of the aqueous binder composition;

at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons; and

optionally, at least one short-chain polyol having at least two hydroxyl groups and a number average molecular weight of less than 2,000 Daltons;

wherein a ratio of molar equivalents of carboxylic acid groups, anhydride groups, or salts thereof to molar equivalents of hydroxyl groups is from 1/0.75 to 1/5; and

wherein the binder composition, once cured, includes no greater than 6.0 wt. % water soluble material.

2 . The aqueous binder composition of claim 1 , wherein the short-chain polyol is present in an amount from 1.0 to 30 wt. %, based on the total solids content of the aqueous binder composition.

3 . The aqueous binder composition of claim 1 , wherein the short-chain polyol is present in an amount from 10.0 to 25 wt. %, based on the total solids content of the aqueous binder composition.

4 . The aqueous binder composition of claim 1 , wherein said short-chain polyol comprises one or more of a sugar alcohol, 2,2-bis(methylol)propionic acid, tri(methylol)propane, pentaerythritol, and an alkanolamine.

5 . The aqueous binder composition of claim 4 , wherein said short-chain polyol comprises a sugar alcohol selected from the group consisting of glycerol, erythritol, arabitol, xylitol, sorbitol, maltitol, mannitol, iditol, isomaltitol, lactitol, cellobitol, palatinitol, maltotritol, syrups thereof, and mixtures thereof.

6 . The aqueous binder composition of claim 4 , wherein the alkanolamine comprises triethanolamine.

7 . The aqueous binder composition of claim 1 , wherein a ratio of long-chain polyol to short-chain polyol is between 1/50 and 20/1.

8 . The aqueous binder composition of claim 1 , wherein a ratio of long-chain polyol to short-chain polyol is between 1/20 and 10/1.

9 . The aqueous binder composition of claim 1 , wherein once cured, the binder composition includes no greater than 5.0 wt. % water soluble material.

10 . The aqueous binder composition of claim 1 , wherein once cured, the binder composition includes no greater than 4.0 wt. % water soluble material.

11 . The aqueous binder composition of claim 1 , wherein the binder composition has a viscosity of 175 cP at 30% solids or less.

12 . The aqueous binder composition of claim 1 , wherein the binder composition, once cured, has a pH between 5 and 9.0.

13 . An aqueous binder composition comprising:

at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons;

at least 65 wt. % of a polymeric cross-linking agent comprising at least two carboxylic acid groups, based on the total solids content of the aqueous binder composition; and

at least one short-chain polyol having at least two hydroxyl groups and a number average molecular weight of less than 2,000 Daltons,

wherein a ratio of molar equivalents of carboxylic acid groups, anhydride groups, or salts thereof to molar equivalents of hydroxyl groups is from 1/0.75 to 1/5 and a ratio of long-chain polyol to short-chain polyol is between 1/50 and 20/1.

14 . The aqueous binder composition of claim 13 , wherein the long chain polyol is present in an amount from 1.0 to 30 wt. %, based on the total solids content of the aqueous binder composition.

15 . The aqueous binder composition of claim 13 , wherein the short-chain polyol is present in an amount from 10.0 to 25 wt. %, based on the total solids content of the aqueous binder composition.

16 . The aqueous binder composition of claim 13 , wherein said short-chain polyol comprises one or more of a sugar alcohol, 2,2-bis(methylol)propionic acid, tri(methylol)propane, and an alkanolamine.

17 . The aqueous binder composition of claim 16 , wherein said short-chain polyol comprises a sugar alcohol selected from the group consisting of glycerol, erythritol, arabitol, xylitol, sorbitol, maltitol, mannitol, iditol, isomaltitol, lactitol, cellobitol, palatinitol, maltotritol, syrups thereof, and mixtures thereof.

18 . The aqueous binder composition of claim 16 , wherein the alkanolamine comprises triethanolamine.

19 . The aqueous binder composition of claim 13 , wherein a ratio of long-chain polyol to short-chain polyol is between 1/10 and 5/1.

20 . The aqueous binder composition of claim 13 , wherein a ratio of long-chain polyol to short-chain polyol is between 1/20 and 10/1.

21 . The aqueous binder composition of claim 13 , wherein once cured, the binder composition includes no greater than 5.0 wt. % water soluble material.

22 . The aqueous binder composition of claim 13 , wherein once cured, the binder composition includes no greater than 4.0 wt. % water soluble material.

23 . A fibrous product comprising:

a plurality of randomly oriented fibers; and

an aqueous binder composition at least partially coating said fibers, said binder composition comprising:

at least 65 wt. % of a polymeric cross-linking agent comprising at least two carboxylic acid groups, based on the total solids content of the aqueous binder composition;

at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons; and

optionally, at least one short-chain polyol having at least two hydroxyl groups and a number average molecular weight of less than 2,000 Daltons;

wherein a ratio of molar equivalents of carboxylic acid groups, anhydride groups, or salts thereof to molar equivalents of hydroxyl groups is from 1/0.75 to 1/5; and

wherein the binder composition, once cured, includes no greater than 6.0 wt. % water soluble material.

24 . The fibrous product of claim 23 , wherein once cured, the binder composition includes no greater than 5.0 wt. % water soluble material.

25 . The fibrous product of claim 23 , wherein once cured, the binder composition includes no greater than 4.0 wt. % water soluble material.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 18, 2021
From: MUELLER, GERT; ZHANG, XIUJUAN; CHEN, LIANG; MENDEZ-ANDINO, JOSE
To: OWENS CORNING INTELLECTUAL CAPITAL, LLC
Reel/Frame 057813/0487 →
Continuity (2)
Provisional Application 62831222 · Apr 9, 2019
Related Publication 20220162410A1 · May 26, 2022
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