Abstract:
A polymer compound comprises a thermoplastic resin and poly (meth) acrylimide (P (M) I) foam particles. The polymer compound achieves better mechanical performance than the individual components, and can be widely used in lightweight construction.
Abstract:
The present invention relates to methods for forming foamed polymeric articles and articles produced by such methods. In particular, the invention relates to a method of forming a foamed polymeric article comprising a foamed polymeric material (17) sandwiched between two layers (7,13) in a mold (1,9), wherein the polymeric material comprises a chemical blowing agent, and the expansion of the polymeric material during foaming causes the outer layers of the article to deform so as to provide good contact with the surfaces of the mold. The present invention further relates to foamed polymeric articles formed by the method of the invention having complex surface geometry and/or good continuity of the foam.
Abstract:
A thermoplastic elastomer foam is made by incorporating a gaseous or supercritical blowing agent under pressure into a molten thermoplastic elastomer comprising polymeric crystalline domains, then releasing the pressure to foam the thermoplastic elastomer.
Abstract:
Schaumstoffpartikel auf Basis von thermoplastischen Elastomeren mit einer Beschichtung, welche mindestens eine elektrisch leitfähige Substanz enthält, Verfahren zu deren Herstellung durch Beschichtung der Schaumstoffpartikel mit einer Emulsion einer leitfähigen Substanz in einem Weichmacher, sowie Verfahren zur Herstellung von Partikelschaumstoffen durch thermisches Verbinden der Schaumstoffpartikel mittels hochfrequenter elektromagnetischer Strahlung.
Abstract:
There is disclosed a polymer-based foam composition comprising a polymer and up to 20 wt.-% particles of one or more inorganic particulate materials, based on the total weight of the composition, wherein the one or more inorganic particulate materials comprise less than 20 wt.-% Al, calculated as Al 2 O 3 -content. According to one aspect, the one or more inorganic particulate materials comprise phyllosilicates. Also part of the present invention is the use of such polymer-based foam compositions and their method of production.
Abstract:
A cured blend of a butyl rubber ionomer, at least one elastomer co-curable with the butyl rubber ionomer and a filler has improved physical and/or dynamic properties, most notably improvements in one or more of green strength, flex fatigue, adhesion and tear strength.
Abstract:
Decorative foamed articles are prepared from foamed pellets, beads, particles, or other articles of a thermoplastic elastomer infused with a supercritical fluid in a pressurized container, then rapidly depressurized and heated either by immersion in a heated fluid that can rapidly heat the article or with infrared or microwave radiation to heat and foam the pellets, beads, particles, or other articles that are then molded into the decorative foamed articles. The pellets are dyed with a nonionic or anionic dye by one of: (1) before being infused with the supercritical fluid, (2) during being infused with the supercritical fluid by a nonionic or anionic dye dissolved or dispersed in the supercritical fluid, which optionally comprises a polar liquid, (3) during immersion in the heated fluid, where the heated fluid contain the dye, or (4) after being foamed.