Sealant application method

Details Sealant application method Sealant application method

1976-01-07

1978-01-10

Derrington, James H.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

260 304A, 260 336A, 260 338UA, 260 4236, 427230, 427236, 428521, 526 20, 526 52, C08J 324, C08K 508

Patent

active

040680274

ABSTRACT:
A fast gelling method of formulating and applying a curable butyl rubber sealant composition which composition is cured using a quinoid curing agent and a free radical cross-linking activator. The curing agent and a first portion of the activator are added to the sealant components to produce a base component. If the amount of activator in the first portion is chosen correctly, the base component remains ungelled until the remainder of the activator is added, at which time a very rapid gel takes place. This method is particularly useful where the sealant is a tire sealant and is to be sprayed onto the inner surface of a tire.

REFERENCES:
patent: 2551600 (1951-05-01), Holland
patent: 2822342 (1958-02-01), Ford et al.
patent: 3674735 (1972-07-01), Callan
patent: 3846370 (1974-11-01), Bunk et al.

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