US 12,312,472 B2
Binder composition comprising polyamine(s) as well as 1,3-dihydroxyacetone, glycolaldehyde and/or glyceraldehyde for composite articles
Gereon Antonius Sommer, Ludwigshafen am Rhein (DE); Guenter Scherr, Ludwigshafen am Rhein (DE); Stephan Weinkoetz, Ludwigshafen am Rhein (DE); Thomas Servay, Ludwigshafen am Rhein (DE); Jessica Nadine Hamann, Ludwigshafen am Rhein (DE); Joaquim Henrique Teles, Ludwigshafen am Rhein (DE); Ralph Lunkwitz, Ludwigshafen am Rhein (DE); and David Tuerp, Ludwigshafen am Rhein (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 18/268,989
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Dec. 22, 2021, PCT No. PCT/EP2021/087428
§ 371(c)(1), (2) Date Jun. 22, 2023,
PCT Pub. No. WO2022/136613, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 20216812 (EP), filed on Dec. 23, 2020.
Prior Publication US 2024/0052168 A1, Feb. 15, 2024
Int. Cl. C08L 97/02 (2006.01); B27N 3/00 (2006.01); B27N 3/02 (2006.01); C08G 69/10 (2006.01); C08G 69/26 (2006.01)
CPC C08L 97/02 (2013.01) [B27N 3/002 (2013.01); B27N 3/02 (2013.01); C08G 69/10 (2013.01); C08G 69/265 (2013.01)] 30 Claims
 
1. A binder composition comprising
a) component A comprising polymer(s) A1 having primary and/or secondary amino groups wherein polymer A1 has (have) a NCps of at least 1 wt.-%, wherein the polymer(s) A1 comprise(s) polymerization product of
i) amino acids, and/or
ii) amines comprising at least two amino groups, wherein the amines are no amino acids, and amino acids, and/or
iii) amines comprising at least two amino groups, wherein the amines are no amino acids, and di and/or tricarboxylic acids, and optionally amino acids and/or
iv) at least two compounds defined in i) to iii),
and
b) component B comprising component B1 which is 1,3-dihydroxyacetone,
glycolaldehyde, glyceraldehyde or any mixture thereof, wherein polymer A1 has (have) a total weight average molecular weight Mw,total of at least 800 g/mol,
wherein the number ratio of the sum of the numbers of primary and secondary amine groups of Component A1 to sum of the numbers of aldehyde and keto groups of component B1 is from 10:1 to 0.3:1.