Lubricant and mold-release agent for the manufacture of ties

Details Lubricant and mold-release agent for the manufacture of ties Lubricant and mold-release agent for the manufacture of ties

1980-06-23

1985-02-26

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

252 52A, B28B 736

Patent

active

045016160

ABSTRACT:
A lubricant and release agent for the manufacture of tires containing as the active ingredient liquid polyoxypropylenediols or polyoxypropylenepolyoxyethylenediols or ethers of the diols, which liquid has a viscosity of at least 8000 mPa.times.sec. The use of the release agent of the present invention avoids the occurrence of defects in the interior surface of the vulcanized tire and improves the life of the rubber bags used in the unvulcanized carcass shell of the tire.

REFERENCES:
patent: 3791971 (1974-02-01), Lowe
patent: 3838052 (1974-09-01), Miller
patent: 4039143 (1977-08-01), Brown et al.
patent: 4263250 (1981-04-01), Schmidt et al.

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