公开(公告)号：US20230323127A1

公开(公告)日：2023-10-12

申请号：US17995398

申请日：2020-04-03

Applicant: ROCKWOOL A/S

Inventor： Linda DE VRIES ,  Dorte Bartnik JOHANSSON ,  Miroslav NIKOLIC

IPC: C08L97/00 ,  E01C13/08 ,  C08K5/00 ,  C08J5/04

CPC classification number: C08L97/005 ,  E01C13/08 ,  C08K5/0016 ,  C08J5/043 ,  C08J2397/00

Abstract: The present invention relates to a sports field comprising:



(i) a lower base layer;
(ii) an upper grass and/or artificial grass layer;
(iii) a shock pad layer, positioned between the base layer and the grass or artificial grass layer;

wherein the shock pad layer comprises at least one shock pad comprising a coherent plate having upper and lower major surfaces, wherein the coherent plate comprises at least one coherent layer comprising man-made vitreous fibres (MMVF) bonded with a cured aqueous binder composition; wherein the aqueous binder composition prior to curing comprises:

a component (i) in form of one or more oxidized lignins;
a component (ii) in form of one or more cross-linkers;
a component (iii) in form of one or more plasticizers.