The present invention relates to improved bentonite barrier compositions, and more particularly, to the use of geosynthetic clay liners including these improved bentonite barrier compositions having enhanced low permeability over time in containment applications. A geosynthetic clay liner comprises at least one geosynthetic layer; and a bentonite barrier composition comprising bentonite and a polyanionic starch, wherein the polyanionic starch is carboxymethyl starch.

A cementitious composite for in-situ hydration includes a first layer, a second layer, a cementitious mixture including cementitious material positioned between the first layer and the second layer, and a structure layer positioned between the first layer and the second layer. The cementitious mixture comprises a majority of a volume between the first layer and the second layer.

The invention relates to a planar textile drainage element for preventing moisture to accumulate around plants, as well as to the use thereof.

In one embodiment, the present disclosure may be a wrapping material for formed bales of materials, including at least one layer of a flexible plastic material film web divided into portions by a plurality of spaced lines of perforations, the web including a first surface and an opposite second surface, each portion having a first adhesive substrate adhered to the first surface of each portion adjacent to each line of perforation, each first adhesive substrate including a first adhesive surface adhered to the first surface of each portion and a second adhesive surface facing outwardly opposite the first adhesive surface, each portion having a second adhesive substrate adhered to the first surface of each portion, each second adhesive substrate including a first adhesive surface adhered to the first surface of each portion and a second adhesive surface facing outwardly opposite the first adhesive surface, and a first release liner overlying the second adhesive surface of the first adhesive substrate and a second release liner overlying the second adhesive surface of the second adhesive substrate.

The invention relates to a metallocene complexes according to formula (I), (I) wherein R.sub.1 and R.sub.2 are independently selected from H, an alkyl or an aryl group, wherein R.sub.3 is a C1-C10 alkyl group, wherein R is selected from H, an alkyl group, an aryl group and wherein different R substituents can be connected to form a ring structure and wherein B is a 1,2 phenylene bridging moiety, which can be optionally substituted, wherein Mt is selected from Ti, Zr and Hf, X is an anionic ligand, z is the number of X groups and equals the valence of Mt minus 2. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerisation process of olefinic monomers.

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The invention relates to a multilayered composite textile, comprising at least one first layer, comprising a first biodegradable polymer; and, at least one second layer, comprising a second layer fabric wherein the second layer fabric comprises second layer filaments; wherein said second layer fabric comprises a second biodegradable polymer, characterized in that, the visual degradation speed of the first layer is slower than the visual degradation speed of the second layer. The invention further relates to the use of such fabric for temporary weed control, temporary erosion control, as a hygienic article, or temporary packaging material.

The breathable sheet of the present invention is comprised of a 4-methyl-1-pentene-based polymer or a resin composition containing the 4-methyl-1-pentene-based polymer as a main component. In addition, the breathable sheet of the present invention is preferably selected from the group consisting of a net, a mesh, a non-woven fabric, a woven fabric, and a perforated sheet.

Disclosed are multilayer films which can provide balanced improvement in film mechanical performance, where the film comprises a propylene-based polymer and an elastic ethylene copolymer.

The present invention relates to a 3D printer material including an outer layer and an inner layer, in which a heat quantity of crystallization of the 3D printer material in differential scanning calorimetry is from 20 to 60 J/g, and the outer layer contains a resin composition (C) containing a crystalline polyamide-based resin (A) and a component (B) that delays crystallization of the crystalline polyamide-based resin (A).

The agricultural material includes a cellulose acylate layer and a polymer layer. The cellulose acylate layer is formed of cellulose acylate. The polymer layer is provided on a first CA surface, which is one surface of the cellulose acylate layer. The polymer layer has a moisture permeation resistance of at most 7.510.sup.4 m.sup.2.Math.day/g per 1 m of thickness and is formed of a polymer different from cellulose acylate. The agricultural material has a tear strength of at least 0.10 N.