Organoclay antiozonant complex

Details Organoclay antiozonant complex Organoclay antiozonant complex

1984-05-29

1985-07-30

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

252400R, 524925, C08K 904, C08K 518

Patent

active

045322856

ABSTRACT:
An organoclay-antiozonant complex suitable for incorporating in rubber formulations as an additive to inhibit and retard ozone attack is formed by complexing a substituted paraphenylenediamine antiozonant with an organoclay having been produced by treating a smectite-containing clay with a quaternary amine. The organoclay-antiozonant complex is preferably incorporated into the rubber formulation by first mixing the prepared organoclay-antiozonant complex with a naphthenic oil and a polar solvent to form a paste which is then added to the rubber formulation.

REFERENCES:
patent: 3674705 (1972-07-01), Hytrek
E. R. Erickson et al., "A Study of the Reaction of Ozone with Polybutadiene Rubbers", Symposium on Effect of Ozone on Rubber, ASTM Special Technical Pub. No. 229, pp. 11-29, American Society for Testing Materials, Phil., Pa. (1958).
Document No. AD 27115, "Development of Ozone and/or Oxygen Resistant Polymers", Burke Research Co. Technical Report, Reproduced by Document Service Center, Knott Bldg. Dayton, Ohio (1968), 1 to 6, 13 to 14, 18, 25 to 27 and C-8.
John W. Jordan, "Organophilic Bentonites I", J. Physical & Colloid Chemistry 53, 294 (1949).

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