Patent · US Expired

Chain entanglement crosslinked polymers

US6451953B1 · kind B1 · utility

57Cited by
10References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 18, 1997
Grant dateSep 17, 2002
Priority date
Expiry dateDec 18, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/24
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A rigid crosslinked polymer having effective levels of chain entanglement crosslinking produced by a rapid rate polymerization procedure which comprises the steps of creating a radical flux by providing monomer units with an effective amount of an initiator to initiate polymer growth. dispersing the monomers and initiator to form an aqueous dispersion, and heating the aqueous dispersion to a temperature greater than the ten-hour half-life temperature of the initiator.

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