A PROCESS FOR PREPARING A LATEX.
Application 1885/MAS/1997 published 2006-06-23, filed 1997-08-27
The present invention relates to a process for preparing a latex comprising two populations of particles of homo-or copolymer of vinyl chloride, which process comprises polymerizing, under microsuspension conditions, the corresponding monomer or monomers in the presence of a first seeding polymer (PI), the particles of which contain at least one organosoluble initiator, of a second seeding polymer (P2), the particles of which have a mean diameter less than that of the particles of the first seeding polymer (P I), of water, of an anionic emulsifier, of a soluble metal salt and of a reducing agent; the mean diameter of the particles of the first seeding polymer (PI) being between 0.6 and 0.9 um.
Applicant
ELF ATOCHEM S.A,
4 & 8 COURS MICHELET, LA DEFENSE 10,, F-92800 PUTEAUX,, FRANCE.
Inventor
International Info
Classification: C 08 E 14/00 , C 08 F 259/04 , C 08 L 27/06
Publication Number:
Priority Information
96 10493 FRANCE 1996-08-27