The present invention provides an one-component (1K) anaerobic curable composition comprising, based on the weight of the composition:

from 15 to 35 wt. % of a1) at least one (meth)acrylate monomer represented by Formula I:

H.sub.2C═CGCO.sub.2R.sup.1   (I) wherein: G is hydrogen, halogen or a C.sub.1-C.sub.4 alkyl group; and, R.sup.1 is selected from C.sub.1-C.sub.30 alkyl, C.sub.3-C.sub.30 cycloalkyl, C.sub.2-C.sub.20 alkenyl and C.sub.2-C.sub.12 alkynyl;

from 5 to 25 wt. % of a2) at least one (meth)acrylate monomer represented by Formula II:

H.sub.2C═CQCO.sub.2R.sup.2   (II) wherein: Q may be hydrogen, halogen or a C.sub.1-C.sub.4 alkyl group; and, R.sup.2 may be selected from C.sub.6-C.sub.18 aryl, alkaryl and aralkyl;

from 35 to 75 wt. % of a3) at least one (meth)acrylate-functionalized oligomer;

from 0.1 to 10 wt. % of b) at least one cure initiator;

from 0.1 to 5 wt. % of c) at least one cure accelerator;

from 1 to 5 wt. % of d) at least one cellulose mixed ester of which all of said ester groups are selected from C.sub.1-C.sub.6 ester groups; and,

from 1 to 5 wt. % of e) fumed silica.

Cellulose derivative particles including an alkoxy group having 2 or more carbons or an acyl group having 3 or more carbons, wherein the cellulose derivative particles have an average particle size of 80 nm or greater and 100 μm or less, a sphericity of 70% or greater and 100% or less, and a surface smoothness of 80% or greater and 100% or less; and a total substitution degree of the cellulose derivative is 0.7 or greater and 3 or less.

Cellulose derivative particles including an alkoxy group having 2 or more carbons or an acyl group having 3 or more carbons, wherein the cellulose derivative particles have an average particle size of 80 nm or greater and 100 μm or less, a sphericity of 70% or greater and 100% or less, and a surface smoothness of 80% or greater and 100% or less; and a total substitution degree of the cellulose derivative is 0.7 or greater and 3 or less.

A process for preparing a recycle cellulose ester and a recycle cellulose ester composition and articles made with such recycle cellulose esters comprising at least one cellulose ester having at least one substituent on an anhydroglucose unit (AU) derived from recycled cellulose ester content syngas are provided. The recycled cellulose ester content syngas can be obtained by gasifying feedstocks containing a solid fossil fuel such as coal, a cellulose ester, and water. The cellulose ester can be post-consumer or post-industrial cellulose ester.

The present invention discloses a surface covering, in particular floor or wall covering, comprising at least one polymer layer comprising a blend of polymers, said blend of polymers comprising from 6.5 to 93.5% by weight of a cellulose ester and from 93.5 to 6.5% by weight of one or more polymers selected from the group consisting of (meth)acrylate comprising (co)polymers, vinyl alkanoate comprising (co)polymers, vinylacetals (co)polymers, (co)polyesters, (co)polyamides, polyurethanes, nitrile (co)polymers, styrene (co)polymers, vinylchloride (co)polymers, olefin (co)polymers, and ionomers.

The present invention discloses a surface covering, in particular floor or wall covering, comprising at least one polymer layer comprising a blend of polymers, said blend of polymers comprising from 6.5 to 93.5% by weight of a cellulose ester and from 93.5 to 6.5% by weight of one or more polymers selected from the group consisting of (meth)acrylate comprising (co)polymers, vinyl alkanoate comprising (co)polymers, vinylacetals (co)polymers, (co)polyesters, (co)polyamides, polyurethanes, nitrile (co)polymers, styrene (co)polymers, vinylchloride (co)polymers, olefin (co)polymers, and ionomers.

A material for a hot melt extrusion method contains at least a cellulose derivative and an additive. The cellulose derivative is cellulose acetate propionate and when a degree of substitution of an acetyl group is X and a degree of substitution of a propionyl group is Y, the cellulose derivative satisfies the following Expression (1) and Expression (2); and the additive contains a plasticizer and a compound A containing a partial structure having a NICS value in the range of −14 or more and −10 or less,

[00001]$\begin{array}{cc}2.0\le X+Y\le 3.0& \mathrm{Expression}\left(1\right)\\ 0.5\le Y\le 2.6.& \mathrm{Expression}\left(2\right)\end{array}$

A material for a hot melt extrusion method contains at least a cellulose derivative and an additive. The cellulose derivative is cellulose acetate propionate and when a degree of substitution of an acetyl group is X and a degree of substitution of a propionyl group is Y, the cellulose derivative satisfies the following Expression (1) and Expression (2); and the additive contains a plasticizer and a compound A containing a partial structure having a NICS value in the range of −14 or more and −10 or less,

[00001]$\begin{array}{cc}2.0\le X+Y\le 3.0& \mathrm{Expression}\left(1\right)\\ 0.5\le Y\le 2.6.& \mathrm{Expression}\left(2\right)\end{array}$

An opacifying article can be made using a (i) fabric having a face side and a back side and an (ii) opacifying element having a substrate that has first and second opposing surfaces; and a dry opacifying layer that has an inner surface and an outer surface. The dry opacifying layer is disposed with its inner surface in contact with the first opposing surface of the substrate. The dry opacifying layer has (a) 40-90 weight % of porous particles, each having a continuous polymeric phase and discrete pores dispersed within the continuous polymeric phase. The porous particles have a mode particle size of 2-50 μm and a porosity of 20-70 volume %. The dry opacifying layer also contains (b) 10-60 weight % of a binder material. The (ii) opacifying element is laminated to the back side of the fabric to provide the opacifying article.

An opacifying article can be made using a (i) fabric having a face side and a back side and an (ii) opacifying element having a substrate that has first and second opposing surfaces; and a dry opacifying layer that has an inner surface and an outer surface. The dry opacifying layer is disposed with its inner surface in contact with the first opposing surface of the substrate. The dry opacifying layer has (a) 40-90 weight % of porous particles, each having a continuous polymeric phase and discrete pores dispersed within the continuous polymeric phase. The porous particles have a mode particle size of 2-50 μm and a porosity of 20-70 volume %. The dry opacifying layer also contains (b) 10-60 weight % of a binder material. The (ii) opacifying element is laminated to the back side of the fabric to provide the opacifying article.