A water-soluble container made up of two halves that seal together, each containing a plurality of chambers that may receive a cleaning substance, commonly a liquid or powder. This container is formed from four, water-soluble, flexible membranes with each half made up of two of the four membranes; a shaped membrane, and a non-shaped membrane, wherein the shaped membrane seals to the non-shaped membrane to form the plurality of physically distinct chambers. Each half is sealed independently to the other half and are subsequently sealed together at their non-shaped membranes to form the water-soluble container resulting in the outer surface of the container to be shaped on both opposing sides.

An asphalt-based sealcoat composition comprising high levels of titanium oxide particles is provided. In some embodiments, a highly solar reflective asphalt-based sealcoat composition comprising high levels of titanium oxide particles is provided. In some embodiments, an asphalt-based sealcoat composition capable of reducing pollutants comprising high levels of titanium oxide particles is provided. In some embodiments, methods for preparing asphalt-based sealcoat compositions as well as their application to asphalt surfaces is provided.

New polypropylene composition, which combines low sealing initiation temperature (SIT), high melting temperature, good processability and good optical properties, like low haze, its use of and articles made therefrom.

A polyethylene composition includes a first polyethylene which is an ethylene copolymer having a weight average molecular weight of from 70,000 to 250,000 and a molecular weight distribution Mw/Mn of <2.3, a second polyethylene which is an ethylene copolymer or homopolymer having a weight average molecular weight of from 15,000 to 100,000 and a molecular weight distribution Mw/Mn of <2.3, and a third polyethylene which is an ethylene copolymer or homopolymer having a weight average molecular weight of from 70,000 to 250,000 and a molecular weight distribution Mw/Mn of >2.3, where the first polyethylene has more short chain branching than the second polyethylene or the third polyethylene. The polyethylene composition has a soluble fraction in a CEF analysis of at least 10 weight percent. Film made from the polyethylene composition may have a machine direction 1% secant modulus of □190 MPa (at a film thickness of about 1 mil), a seal initiation temperature (SIT) of ≤100° C. (at a film thickness of about 2 mil), an area of hot tack window (AHTW) of ≥160 Newtons.Math.C° (at a film thickness of about 2 mil) and an oxygen transmission rate (OTR) of ≥650 cm3 per 100 inch2 per day (at a film thickness of about 1 mil).

An object is to provide a cured product having excellent heat resistance and dielectric properties (low dielectric properties) and prepregs, circuit boards, build-up films, semiconductor sealing materials, and semiconductor devices having these pieces of performance by using a curable resin having a specific structure. Specifically, provided is a curable resin having a structural unit (1) represented by General Formula (1) below and a terminal structure (2) represented by General Formula (2) below. In Formulae (1) and (2) above, the details of R.sub.1, R.sub.2, R.sub.3, k, and X are as described herein.

##STR00001##

An object of the present invention is to provide a propylene polymer composition capable of forming a heat seal layer that can be heat-sealed at a relatively low temperature and suppressing blocking in a film including the heat seal layer. A propylene polymer composition contains the following propylene polymer (1) and the following propylene-α-olefin copolymer (2), in which a content of the propylene polymer (1) is 2% by mass to 25% by mass with respect to 100% by mass of a total content of the propylene polymer (1) and the propylene-α-olefin copolymer (2), and the propylene polymer composition satisfies the following requirement (3):

Propylene polymer (1):

a polymer containing 94% by mass or more of a monomer unit derived from propylene.

Propylene-α-olefin copolymer (2):

a copolymer containing 60% by mass or more and less than 94% by mass of a monomer unit derived from propylene and more than 6% by mass and 40% by mass or less of a monomer unit derived from an α-olefin having 4 to 12 carbon atoms.

Requirement (3):

the following Expression (3-1) is satisfied in a temperature rising elution fractionation method in which ortho-dichlorobenzene is used as a solvent and a temperature range is set to 0° C. to 140° C.

[00001]$\begin{array}{cc}\mathrm{Wb}\le -1.79\times Th+150& \left(3\text{-}1\right)\end{array}$

A polyethylene composition includes a first polyethylene which is an ethylene copolymer having a weight average molecular weight of from 70,000 to 250,000 and a molecular weight distribution M.sub.w/M.sub.n of <2.3, a second polyethylene which is an ethylene copolymer or homopolymer having a weight average molecular weight of from 15,000 to 100,000, a molecular weight distribution M.sub.w/M.sub.n of >2.3, and a third polyethylene which is an ethylene copolymer or homopolymer having a weight average molecular weight of from 70,000 to 250,000 and a molecular weight distribution M.sub.w/M.sub.n of >2.3, where the first polyethylene has more short chain branching than the second polyethylene or the third polyethylene. The polyethylene composition has a soluble fraction in a CEF analysis of at least 10 weight percent. Film made from the polyethylene composition may have a machine direction 1% secant modulus of 200 ≥MPa (at a film thickness of about 1 mil), a seal initiation temperature (SIT) of ≤90° C. (at a film thickness of about 2 mil), an area of hot tack window (AHTW) of ≥160 Newtons.Math.C° (at a film thickness of about 2 mil) and an oxygen transmission rate (OTR) of ≥600 cm.sup.3 per 100 inch per day (at a film thickness of about 1 mil).

New C.sub.2C.sub.3 random copolymers, which combine low sealing initiation temperature (SIT), high hot-tack, low C6-solubles, good optical properties and an improved stiffness/impact balance, which are particularly suited for preparing blown films. The present invention is furthermore related to the manufacture of said copolymers and to their use, as well as to the blown films comprising such C.sub.2C.sub.3 random copolymers.

The present invention provides a water-soluble packaging film which is capable of preventing appearance defects such as clouding and deterioration of sealing properties, especially heat sealing properties, over a long period of time and achieving less deterioration and excellent water solubility after packaging. The present invention relates to a water-soluble packaging film containing: a polyvinyl alcohol; a plasticizer; and a dicarboxylic acid containing a hydroxy group, the dicarboxylic acid containing a hydroxy group having a hydroxy group coefficient, which is a quotient of dividing a weight average molecular weight by the number of hydroxy groups, of 90 or more, the film containing the dicarboxylic acid containing a hydroxy group in an amount of 1 to 5 parts by weight.

A shrink film includes at least one layer of polyethylene. The layer has a thickness of about 1 mil to about 3 mil. Materials and methods for forming crosslinked shrink films via a blown film extrusion process are described.