4 results about "Chloroprene Polymers" patented technology

[Objective] To develop, as an automotive interior material, a chloroprene polymer latex adhesive composition being excellent in terms of both characteristics of adhesiveness to nonpolar materials such as olefins and thermal creep resistance and having favorable storage stability without performing a complicated step. [Solution] An adhesive composition containing a chloroprene polymer latex, containing a chloroprene polymer latex (A), a tackifier (B), and a chlorinated polyolefin resin (C), in which a content rate of a gel component of a chloroprene polymer in the chloroprene polymer latex (A) is more than 0 mass% and 50 mass% or less, the tackifier (B) has a softening point of 85°C or higher, and the chlorinated polyolefin resin (C) has a softening point of lower than 80°C, the tackifier (B) is more than 5 parts by mass and less than 30 parts by mass relative to 100 parts by mass of a solid content of the chloroprene polymer latex (A), the chlorinated polyolefin resin (C) is 6 parts by mass or more and less than 30 parts by mass relative to 100 parts by mass of a solid content of the chloroprene polymer latex (A), and no crosslinking agent is contained.

The present invention relates to a composition including a chloroprene polymer, a molded body, and a method for producing a molded body, and the composition includes a chloroprene polymer (A), and a thiol compound (B) having 2 mercapto groups in a molecule. An amount of the thiol compound (B) is 1.5 to 20 parts by mass per 100 parts by mass of the chloroprene polymer (A).

This invention provides a chloroprene-based polymer latex composition that yields an adhesive composition with excellent initial adhesive strength, and an adhesive composition containing the chloroprene-based polymer latex composition. According to the invention, a chloroprene-based polymer latex composition is provided, comprising a chloroprene polymer and an aromatic compound having 7 to 10 carbon atoms, wherein the total content of the aromatic compound having 7 to 10 carbon atoms in the aforementioned chloroprene-based polymer latex composition is 0.0001 to 0.0100 parts by mass relative to 100 parts by mass of solid components in the aforementioned chloroprene-based polymer latex composition.

Provided is a chloroprene polymer which has high tensile strength at break and a low modulus at 100% elongation, and which makes it possible to obtain a dip-molded product having excellent texture. The present invention provides a chloroprene polymer, wherein the loss tangent tanδ in the 10 Hz frequency region of a film containing the chloroprene polymer, as obtained when the tensile-type dynamic viscoelasticity is measured in accordance with the non-resonant forced vibration technique at a temperature of 25°C and under a strain of 0.75%, is 0.08 to 0.14, and the film is obtained by drying chloroprene polymer latex containing the chloroprene polymer for three days at 23°C or lower.