Patent · US Expired

Composition for polyolefin resin foam, foam of the same, and process for producing foam

US7803862B2 · kind B2 · utility

1Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2004
Grant dateSep 28, 2010
Priority date
Expiry dateAug 27, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2421/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A composition for polyolefin resin foam, which comprises a polymer component comprising a polyolefin resin and a rubber and/or thermoplastic elastomer, and a powder particle, wherein the composition has an extensional viscosity as measured with a capillary rheometer (temperature, 200° C.; shear rate, 5,000 [1/s]) of from 20 to 100 kPa·s.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.