04-11-2021 дата публикации
Номер: US20210340408A1
A floor covering includes a floor covering element having an obverse face and a reverse face; an adhesive layer applied to the reverse face; and a release liner in adherence to the adhesive layer; where the adhesive layer includes a UV-curable hot melt adhesive composition that includes a UV-curable acrylic co-polymer. 129.-. (canceled)31. The article of claim 30 , wherein:{'sup': 1', '6', '7', '6', '7', '6', '7, 'sub': n′', 'n′', 'x′', 'y', 'p, 'Ris arylene, cycloalkylenyl, —[C(R)(R)]—, or —{[C(R)(R)]C(O)}[O(C(R)(R))]—;'}{'sup': 6', '10, 'each Ris individually H, OR, alkyl, aryl, or C(O)OH;'}{'sup': 7', '10, 'each Ris individually H, OR, alkyl, or aryl;'}{'sup': '10', 'each Ris individually H or alkyl;'}n′ is 1-12;y is 1, 2, or 3;p is 1, 2, or 3; andx′ is 1-10.32. The article of claim 30 , wherein Ris —(CH)— claim 30 , cyclohexan-1 claim 30 ,4-yl claim 30 , phenylen-1 claim 30 ,4-yl claim 30 , —[(CH)C(O)]—O—(CH)— claim 30 , —C(CH)(C(O)OH)— claim 30 , —C(H)(phenyl)C(CH)(H)— claim 30 , or —CHC(CH)CH—.33. The article of claim 30 , wherein Ris —(CH)—; E is O; n is 0 claim 30 , x is 0 claim 30 , and Ris H or methyl.35. The article of claim 30 , wherein the compound of Formula (I) claim 30 , (II) claim 30 , or (III) is present from about 0.01 wt % to about 5 wt % claim 30 , based on the solids of the UV-curable hot melt adhesive composition.36. The article of claim 30 , wherein the (meth)acrylic co-polymer is derived from a (meth)acrylic monomer containing acrylic acid claim 30 , methacrylic acid claim 30 , methylmethacrylic acid claim 30 , methylmethacrylate claim 30 , ethylmethacrylate claim 30 , a hydroxy vinyl ether claim 30 , methyl acrylate claim 30 , ethyl acrylate claim 30 , n-propyl acrylate claim 30 , isopropyl acrylate claim 30 , n-butyl acrylate (BA) claim 30 , n-decyl acrylate claim 30 , isobutyl acrylate claim 30 , n-amyl acrylate claim 30 , n-hexyl acrylate claim 30 , isoamyl acrylate claim 30 , 2-hydroxyethyl acrylate claim 30 , 2-hydroxypropyl acrylate ...
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