Process for the addition of additives to thermoplastics

Details Process for the addition of additives to thermoplastics Process for the addition of additives to thermoplastics

1975-03-04

1976-10-26

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106243, 106285, 260 23H, 260 342, C08K 501

Patent

active

039882853

ABSTRACT:
The invention is directed to a method for the addition of additives, for instance, heat-stabilizers, anti-oxidants, UV-stabilizers, internal or external lubricants, antistatic agents, antiblocking agents, corrosion-inhibitors, and the like, to thermoplastics, by melting the additive in mineral oil to form a melt and then adding the melt to the processing of thermoplastic resins. By mixing additives with the mineral oil, the additives may be melted or dissolved in the mineral oil at temperatures less than the melting point of said additives.

REFERENCES:
patent: 2770609 (1956-11-01), Symonds
patent: 3000841 (1961-09-01), Ware
patent: 3447883 (1969-06-01), Boyer et al.
patent: 3582503 (1971-06-01), Horne
patent: 3594342 (1971-07-01), Ratzsch
patent: 3694402 (1972-09-01), Essam

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