Vinyl chloride resin aggregate particles, process for producing same, and glove obtained using same

Abstract

The present invention provides: vinyl chloride-based resin aggregate particles that can be produced through a heat treatment while inhibiting scale formation within a vessel for the heat treatment and that provide a plastisol with non-infiltrating property and a satisfactory sagging property; a process for producing the particles; and a glove obtained using the particles. The vinyl chloride-based resin aggregate particles of the present invention are characterized in that the aggregate particles have a mean volume particle diameter of 10 to 60 μm, the percentage of particles having a particle diameter of 10 to 60 μm is at least 50 vol. %, and a plastisol containing 100 weight parts of the aggregate particles and 160 weight parts of di-2-ethylhexyl phthalate satisfies the relationship 3≦η70/η40≦1000 where η40 is the viscosity at a shear rate of 1 s −1 of the plastisol that has been retained at 40° C. for 10 minutes and η70 is the viscosity at a shear rate of 1 s −1 of the plastisol that has been warmed from 40° C. at 10° C./min. and retained at 70° C. for 3 minutes. The vinyl chloride-based resin aggregated particles are obtained by flocculating a vinyl chloride-based resin through a two-stage heat treatment consisting of a primary heat treatment and a secondary heat treatment.

1 . Vinyl chloride-based resin aggregate particles, wherein the aggregate particles have a mean volume particle diameter of 10 to 60 μm, and the percentage of particles having a particle diameter of 10 to 60 μm is at least 50% by volume, a plastisol comprising 100 parts by weight of the aggregate particles and 160 parts by weight of di-2-ethylhexyl phthalate satisfies a relationship of 3≦η70/η40≦1000 when η40 is a viscosity at a shear rate of 1 s −1  of a plastisol retained at 40° C. for 10 minutes and η70 is a viscosity at a shear rate of 1 s −1  of a plastisol that has been warmed from 40° C. at 10° C./min. and retained at 70° C. for 3 minutes. 
     
     
         2 . The vinyl chloride-based resin aggregate particles according to  claim 1 , wherein the η70/η40 is in a range of 5 to 110. 
     
     
         3 - 11 . (canceled) 
     
     
         12 . A glove coated with a vinyl chloride-based resin,
 wherein the glove is coated with the vinyl chloride-based resin by applying a plastisol on the fabric surface of the glove and subsequently heating for gelation, and the plastisol contains the vinyl chloride-based resin aggregate particles according to  claim 1 .