Release agent for rubber radiator hoses

Details Release agent for rubber radiator hoses Release agent for rubber radiator hoses

1998-08-18

1999-11-30

Marcheschi, Michael

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 382, 10628723, 10628726, B28B 736, B28B 738

Patent

active

059935294

ABSTRACT:
The invention relates to a release agent and lubricant for rubber moldings, especially radiator hoses, which comprises a polyether which is liquid at room temperature, has a viscosity from 400 to 2000 mPas and is obtained by addition reaction of ethylene oxide with oligo- and polyglycerols, individually or in a mixture as initial alcohols, in which reaction from 3 to 15 mol of ethylene oxide are added on per hydroxyl group.

REFERENCES:
patent: 4263250 (1981-04-01), Schmidt et al.
patent: 4265774 (1981-05-01), Langdon
patent: 4326999 (1982-04-01), Fink et al.
patent: 4501616 (1985-02-01), Fink et al.
patent: 5334322 (1994-08-01), Williams, Jr.

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