Polythiol accelerated radiation crosslinking of olefinically uns

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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20415914, 20415915, 2041592, 260 23XA, 260 79, 260 795C, 260 795P, 260 795NV, 260775, 260779R, 260823, B01J 110, B01J 112

Patent

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040947572

ABSTRACT:
Improved radiation vulcanization of elastomers is accomplished by incorporating into the elastomer composition a polythiol. The polythiol is preferably a hydrocarbon thioether thiol and is normally liquid at room temperature with a molecular weight of at least 150. Though difunctional polythiols are operative in this invention, the preferred polythiols have about three to about five thiol groups per molecule.

REFERENCES:
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patent: 3625925 (1971-12-01), Oswald et al.
patent: 3662023 (1972-05-01), Kehr et al.
patent: 3700574 (1972-10-01), Kehr et al.
patent: 3725229 (1973-04-01), Kehr et al.
patent: 3843502 (1974-10-01), Pearson et al.
patent: 3864229 (1975-02-01), Zapp et al.

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