Process for the polymerization of vinyl chloride in aqueous suspension utilizing an oil-soluble initiator and subsequently a water-soluble initiator and use of the powders obtained thereby
Patent
·
OSTI ID:6463982
Process for the polymerization of vinyl chloride in aqueous suspension in the presence of a dispersing system comprising a cellulosic derivative and an anionic emulsifying agent wherein the polymerizaton is initiated by an oil-soluble initiator and a water-soluble free radical polymerization initiator is added in the course of polymerization. The thus obtained polyvinyl chloride powders are particularly suitable for the production of battery separators.
- Assignee:
- Solvay and Cie S A (Belgium)
- Patent Number(s):
- US 4243562
- OSTI ID:
- 6463982
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903 -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
36 MATERIALS SCIENCE
360401* -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
BATTERY SEPARATORS
CHEMICAL REACTIONS
CHLORINATED ALIPHATIC HYDROCARBONS
DISPERSIONS
HALOGENATED ALIPHATIC HYDROCARBONS
MATERIALS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
POLYMERIZATION
POLYMERS
POLYVINYLS
POWDERS
PRODUCTION
PVC
SUSPENSIONS
250903 -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
36 MATERIALS SCIENCE
360401* -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
BATTERY SEPARATORS
CHEMICAL REACTIONS
CHLORINATED ALIPHATIC HYDROCARBONS
DISPERSIONS
HALOGENATED ALIPHATIC HYDROCARBONS
MATERIALS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
POLYMERIZATION
POLYMERS
POLYVINYLS
POWDERS
PRODUCTION
PVC
SUSPENSIONS