Channel sealant compositions

Details Channel sealant compositions Channel sealant compositions

1977-09-02

1980-01-22

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525474, C08L 8502, C08L 8308, C08L 7504

Patent

active

041850416

ABSTRACT:
A sealant composition comprising a non-crosslinked, elastomeric mastic and an extrusion-inhibiting amount of vulcanized rubber particles of irregular shape and having sharp edges and angular surfaces. When the composition is used as a channel sealant, the ability of the particles to deform at structural gaps while offering resistance to extrusion prevents the loss of the elastomeric mastic.

REFERENCES:
patent: 3580870 (1971-05-01), Rosner
patent: 3663469 (1972-05-01), Weissmahr
patent: 3726944 (1973-04-01), Bennett et al.
patent: 4000166 (1976-12-01), Witner et al.
patent: 4026839 (1977-05-01), Dieck et al.
patent: 4057090 (1977-11-01), Hoshikawa et al.

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