The present disclosure relates generally to cohesive compositions, articles including a cohesive composition, and methods of making such compositions and articles. In some embodiments, the cohesive compositions include rubber, thermoplastic elastomer, filler, and UV or heat stabilizers. In some embodiments, the cohesive articles include the cohesive composition described herein adjacent to a backing. In some embodiments, the cohesive articles further include at least one of a tie layer and a seal layer. Some embodiments of the present disclosure further relate to packaging materials that include the cohesive articles of the present disclosure. Such packaging materials may also include, for example, a cushioning layer and an outer layer. In other embodiments, the present disclosure relates to fastening systems comprising cohesive compositions and films described herein.

The present disclosure relates generally to cohesive compositions, articles including a cohesive composition, and methods of making such compositions and articles. In some embodiments, the cohesive compositions include rubber, thermoplastic elastomer, filler, and UV or heat stabilizers. In some embodiments, the cohesive articles include the cohesive composition described herein adjacent to a backing. In some embodiments, the cohesive articles further include at least one of a tie layer and a seal layer. Some embodiments of the present disclosure further relate to packaging materials that include the cohesive articles of the present disclosure. Such packaging materials may also include, for example, a cushioning layer and an outer layer. In other embodiments, the present disclosure relates to fastening systems comprising cohesive compositions and films described herein.

An adhesive tape has superior mechanical properties, and can suppress occurrence of cracks after being exposed to high temperature conditions for a long period of time. The adhesive tape includes a substrate and an adhesive layer formed on one side of the substrate; wherein the substrate is made of a resin composition including 40 to 65 parts by mass of high boiling point plasticizer and 5 to 15 parts by mass of antimony trioxide with respect to 100 parts by mass of polyvinyl chloride resin.

Provided is a PSA sheet having excellent moisture resistance with reduced gas emission.

The sheet body provided by this invention is a laminate sheet body having a PSA layer on at least one face. The sheet body has a moisture permeability of less than 90 g/cm.sup.2 per 24 hour measurement period in in-plane direction of bonding interface of PSA layer, with the sheet body having an internal volume (bulk) forming a permeation channel that has a prescribed length of 2.5 mm, the moisture permeability determined based on a modified MOCON method, at a permeation cell temperature of 40 C., with humidistat gas at a temperature of 40 C. and 90% relative humidity supplied to a wet chamber. It also has an amount of thermally released gas of 10 g/cm.sup.2 or less, determined at 130 C., over 30 minutes, by gas chromatography/mass spectrometry.

The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.

The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.

A member for use in undersea applications comprising a plurality of conduits assembled into a bundle; the bundle being wrapped with a pressure-sensitive tape comprising a backing, a layer of corrosion-resistant yarns on one surface of the backing, and pressure-sensitive adhesive layer that coats the corrosion-resistant yarns and binds them to the backing.

Provided is a PSA composition capable of achieving excellent moisture resistance.

The PSA composition provided by the present invention comprises a polymer A and a polymer B different from the polymer A. In each of the polymer A and the polymer B, isobutylene is polymerized at a ratio of 50% by weight or higher.

Provided is a PSA composition capable of achieving excellent moisture resistance.

The PSA composition provided by the present invention comprises a polymer A and a polymer B different from the polymer A. In each of the polymer A and the polymer B, isobutylene is polymerized at a ratio of 50% by weight or higher.

The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.