FIELD: chemistry.
SUBSTANCE: invention relates to method of obtaining polyvinylchloride resin. Method of obtaining polyvinylchloride (PVC), possessing particles with average diameter, equal from 10 to 80 mcm, is realised by vinylchloride polymerisation. Method is characterised by the fact that it includes the following stages: (a) introduction of water, initiator(s), optionally one or more auxiliary substances and part of vinylchloride into container and mixing components; (b) dispersion and addition of one or more auxiliary substances to form suspension with continuation of dispersion; (c) heating mixture until polymerisation temperature is set; (d) addition of remaining vinylchloride, which is carried out from the beginning of heating or during the heating, is started after setting of polymerisation temperature; and (e) product processing.
EFFECT: obtaining PVC resin fillers, with optimised characteristics, they provide reduction of viscosity in obtaining paste or plastisol.
13 cl, 4 tbl, 11 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PREPARING THERMOPLASTIC MOLDING MASS | 2000 |
|
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| METHOD FOR PREPARING POLYVINYL CHLORIDE | 2001 |
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RU2819900C1 |
