Microwave curing of latex-based compositions

Details Microwave curing of latex-based compositions Microwave curing of latex-based compositions

1984-07-20

1985-02-12

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 469, 264 54, 264DIG5, 521 66, 521 69, 521 71, 521 72, 521915, B29H 526

Patent

active

044990367

ABSTRACT:
A method of providing cured latex-based compositions is disclosed which permits in situ curing of latexes disposed in plastic container closures or other heat sensitive receptacles without adverse effect on the closure or receptacle. The method comprises heating a fluid latex composition to gel the latex and effect removal of at least a portion of the water initially contained therein and subjecting the resultant composition to modulated microwave energy to effect curing thereof. Modulation of the microwave energy is achieved by applying same in an intermittent or pulsed fashion. The method is of particular interest for the in situ formation of cured latex-based gaskets in polyalkylene container closures.

REFERENCES:
patent: 3737399 (1973-06-01), Locke et al.
patent: 3737488 (1973-06-01), Porter et al.
patent: 4391765 (1983-07-01), Lee et al.

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