Invention Publication
- Patent Title: ACOUSTIC PRODUCTS
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Application No.: US17995397Application Date: 2020-04-03
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Publication No.: US20230169947A1Publication Date: 2023-06-01
- Inventor: Dorte Bartnik Johansson , Miroslav NIKOLIC
- Applicant: ROCKWOOL A/S
- Applicant Address: DK Hedehusene
- Assignee: ROCKWOOL A/S
- Current Assignee: ROCKWOOL A/S
- Current Assignee Address: DK Hedehusene
- International Application: PCT/EP2020/059645 2020.04.03
- Date entered country: 2022-10-03
- Main IPC: G10K11/168
- IPC: G10K11/168 ; B32B7/12 ; B32B5/26 ; B32B5/02 ; B32B37/12 ; B32B38/10 ; B32B38/00 ; C03C25/50 ; E04B9/04

Abstract:
The invention relates to a method of making an acoustic product and a novel acoustic product, wherein the acoustic product is made by adhering a facing to a first major surface of an acoustic insulation element by the use of an adhesive and curing the adhesive. The adhesive is an aqueous adhesive composition which 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.
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.
Information query