Invention Grant
- Patent Title: Carpet coating compositions of improved stability formed from vinyl acetate/ethylene copolymer dispersions
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Application No.: US14365385Application Date: 2011-12-20
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Publication No.: US09951243B2Publication Date: 2018-04-24
- Inventor: Harmin Mueller , Paul Stuart Wormald , Paolo Bavaj
- Applicant: Harmin Mueller , Paul Stuart Wormald , Paolo Bavaj
- Applicant Address: DE Sulzbach
- Assignee: CELANESE SALES GERMANY GMBH
- Current Assignee: CELANESE SALES GERMANY GMBH
- Current Assignee Address: DE Sulzbach
- Agency: Roberts Mlotkowski Safran Cole & Calderon, P.C.
- International Application: PCT/IB2011/003377 WO 20111220
- International Announcement: WO2013/093547 WO 20130627
- Main IPC: C09D131/04
- IPC: C09D131/04 ; D06N7/00 ; C09D101/28

Abstract:
Disclosed are aqueous carpet-coating compositions suitable for use as binders or adhesives in carpet products. Such compositions, prior to being applied to carpet substrates and cured, comprise: A) a selected type of vinyl acetate/ethylene (VAE) copolymer dispersion which has been stabilized with emulsifiers and a cellulose ether-based protective colloid, and B) at least one carbon black based filler in the form of a dispersion/slurry with a solids content between 20 and 70%. These coating compositions exhibit especially desirable initial viscosity and viscosity stability characteristics. Carpet products which utilize such coating compositions to provide binder and/or adhesive layer within the carpet are also disclosed. Such carpet products can have desirable odor-controlling and odor-absorbing properties.
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