Abstract:
A resin composite having excellent strength is easily produced by using a resin foam having a specific surface roughness (Ra) as the core material of the resin composite.
Abstract:
A plasticized PVC formulation for foam extrusion including polyvinyl chloride, at least one plasticizer, at least one nucleating agent and a chemical blowing agent, wherein the plasticized PVC formulation is a dry blend containing 0.5 to 5% by weight of one or more nucleating agents and 0.1 to 3% by weight of the chemical blowing agent, wherein the blowing agent is sodium bicarbonate and the nucleating agent is talcum, and a foam extrusion method using said formulation. The extruded plasticized PVC foam is particularly suitable for rock shield pads used for pipeline protection. The foams are lightweight and require less consumption of materials with comparable properties to corresponding solid articles.
Abstract:
The present invention relates to a cable jacket composition comprising an expandable and crosslinkable jacket blend of: a polymer composition comprising a polyolefin material, which polyolefin material bears silane moieties, and a foaming system, wherein the provided jacket blend will comprise at least 0.1 % by weight of a foaming agent, with respect to the total weight of the polyolefin material; cable jacket; cable, e.g. a power cable or a communication cable; and uses thereof.
Abstract:
A process for making a three dimensional foam article of non-uniform shape employs a two-stage nitrogen autoclave process and a pre-form which has a non-uniform cross- section in at least one dimension.
Abstract:
Polymer foam contains a continuous matrix of styrenic polymer that has metal oxide particulates selected from a group consisting of alumina boehmite and magnesium oxide and brominate styrene/butadiene copolymer dispersed therein.
Abstract:
Generation of a balloon-shaped air bubble is suppressed. A foam molded article according to a mode of the present disclosure is characterized in that in a situation of being divided into two equal parts in the thickness direction T of the foam molded article, the average cell diameter ±1 in the thickness direction T on the inner surface side A of the foam molded article is 1.2 times ((±1/²1)=1.2) or greater of the average cell diameter ²1 in the thickness direction T on the outer surface side B of the foam molded article and that the surface roughness Sm of the inner surface of the foam molded article is 1000 µm or greater.
Abstract:
Described herein are methods and processes of manufacturing irradiation crosslinked polypropylene foam. In some embodiments, this includes extrusion of all material components, including a liquid crosslinking agent, to manufacture extruded structures for production of irradiation crosslinked polypropylene foam.