FIELD: chemistry.
SUBSTANCE: synthesis of suspension polyvinylchloride is realised by polymerisation of vinylchloride by heating in presence of initiating system, which consists of initiators, which differ by temperature of period of half-life: peroxydicarbonates and acyl peroxides, and emulsifying system based on methyloxypropylcellulose and secondary polyvinyl alcohol, which are introduced at the beginning of process; after drop of pressure, temperature of polymerisation is raised on 6-10°C from heating temperature, and reaction mass is exposed during 40-60 minutes. Suspension polyvinylchloride can be used for production of plasticised materials such as, cable and medical plasticates, films.
EFFECT: obtaining efficient method of suspension polyvinylchloride synthesis.
2 tbl, 8 ex
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR SUSPENSION POLYMERISATION OF VINYL CHLORIDE | 2011 |
|
RU2469049C1 |
METHOD OF SUSPENSION POLYMERIZATION OF VINYL CHLORIDE | 1998 |
|
RU2155775C2 |
METHOD FOR SUSPENSION POLYMERIZATION OF VINYL CHLORIDE | 2005 |
|
RU2288234C1 |
METHOD FOR SUSPENSION POLYMERISATION OF VINYL CHLORIDE | 2010 |
|
RU2434021C2 |
METHOD OF PREPARING SUSPENSION POLYVINYL CHLORIDE | 1999 |
|
RU2178799C2 |
METHOD OF INTENSIFICATION OF SUSPENSION VINYL CHLORIDE POLYMERIZATION | 1995 |
|
RU2109755C1 |
METHOD FOR SUSPENSION POLYMERISATION OF VINYL CHLORIDE | 2013 |
|
RU2529493C1 |
METHOD OF PREPARING SUSPENSION POLYVINYL CHLORIDE | 1996 |
|
RU2125064C1 |
METHOD OF PRODUCING GRANULAR PLASTICISED POLYVINYL CHLORIDE COMPOSITION | 2008 |
|
RU2358994C1 |
CONTINUOUS METHOD OF PRODUCING VINYL CHLORIDE (CO) | 2007 |
|
RU2434885C2 |
Authors
Dates
2008-10-20—Published
2007-02-01—Filed