Patent · US Expired

Method for preparing a spherical cured polymer or a composition thereof containing linear organopolysiloxane blocks

US4594134A · kind A · utility

33Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1984
Grant dateJun 10, 1986
Priority date
Expiry dateNov 9, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S528/901
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Provided is a method for preparing a spherical cured product having a diameter of 5 mm or less of a polymer or a polymer composition containing at least 10 wt % of the linear organopolysiloxane blocks represented by the following general formula (1), characterized by curing in an atomized state a curable polymer or a curable polymer composition containing at least 10 wt % of the linear organopolysiloxane blocks represented by the following general formula (1): EQU --R.sub.2 SiO].sub.n (1) wherein R's are the same or different monovalent hydrocarbon groups and n is an integer of 5 or more.

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