Method of preparation of vinyl chloride resin plastisol

Details Method of preparation of vinyl chloride resin plastisol Method of preparation of vinyl chloride resin plastisol

1992-09-30

1993-07-27

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524297, 524298, 524314, C08K 510, C08K 511, C08K 512

Patent

active

052311252

ABSTRACT:
A vinyl chloride resin plastisol can be prepared without the shearing action mixing conventionally required for mixing a resin and plasticizer, merely by immersing in a conventional plasticizer, aggregates in the form of a dry power and having an average diameter of 80 to 700 .mu.m of vinyl chloride resin particles; using a spray drying apparatus to form aggregates having an average diameter in the range from 80 to 700 .mu.m or by adding an organic fluid which is barely soluble in water and does not dissolve or swell the vinyl chloride resin to the aqueous dispersion of the vinyl chloride particles, followed by drying the aggregates thus formed at a temperature of 70.degree. C.or below.

REFERENCES:
patent: 3725325 (1973-04-01), Takeda et al.
patent: 3795649 (1979-03-01), May
Japanese Patent Laid Open No. Tokkaisho 60-120726 (JP 60120726) (abstract only).
Japanese Patent Laid Open No. Tokkaisho 64-31605 (JP 1031605) (abstract only).
Japanese Patent Public No. Tokkohei 1-42282 (JP 89042282).

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