Method for preparing shaped articles of a fluorinated elastomer

Details Method for preparing shaped articles of a fluorinated elastomer Method for preparing shaped articles of a fluorinated elastomer

1976-05-28

1978-06-13

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

260900, 264230, 264236, 264347, 264DIG71, C08F 2922

Patent

active

040949494

ABSTRACT:
A fluorinated elastomer is blended with a poly(vinylidene fluoride) resin at a temperature between the temperature of 70.degree. C below the melting temperature of the resin and the decomposition temperature of the same resin to form a resin blend capable of giving shaped articles having superior mechanical strengths. The resin blend is suitable for preparing heat-shrinkable articles like heat-shrinkable tubes by heating with expansion by internal pressure at an elevated temperature higher than the melting temperature of the resin, followed by cooling without release of the pressure to room temperature where the pressure is released. Such heat-shrinkable tubes can readily become shrunken by re-heating.

REFERENCES:
patent: 3417176 (1968-12-01), Anderson et al.
patent: 3452126 (1969-06-01), Sieron
patent: 3560595 (1971-02-01), Phillips et al.
patent: 3597372 (1971-08-01), Cook
patent: 3701702 (1972-10-01), Shichman et al.
patent: 3769371 (1973-10-01), Nersasian
patent: 3864228 (1975-02-01), Rossetti, Jr.
patent: 3899807 (1975-08-01), Sovish et al.

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