Rubber composition

Details Rubber composition Rubber composition

1992-12-10

1995-02-28

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524265, 524247, 524425, 524433, 524448, 524492, 524493, C08J 510, C08K 554, C08L 700

Patent

active

053938160

ABSTRACT:
A rubber composition for cleaning a metal mold comprises a rubber, an aminoalcohol, a glycol, an adsorptive, and if desired, an organic silane of the formula, Z.sup.1 --Alk.sup.1 --S.sub.n --Alk.sup.2 --Z.sup.2 where Z.sup.1 and Z.sup.2 are --Si(R.sup.1) (R.sup.2)(R.sup.3) where R.sup.1, R.sup.2 and R.sup.3 are C.sub.1-4 alkoxy, Alk.sup.1 and Alk.sup.2 are C.sub.1 -C.sub.6 hydrocarbylene, n is 2-6, or an organic peroxide having a predetermined half-life due to decomposition.
Metal molds are cleaned by bringing the above-mentioned rubber composition into contact with a surface of a dirtied metal mold and heating.

REFERENCES:
Novikova et al., "Compression Moulds: Lubricants and Methods of Cleaning," International Polymer Science and Technology, vol. 15, No. 4, 1988.
Japanese Patent Abstracts, Section Ch, Week 9129, Sep. 4, 1991, JP-A-3-136817.
Japanese Patent Gazette, Section Ch, Week 8705, Mar. 27, 1987, JP-A-287946.
Yokoyama et al., "Mould-Cleaning Methods. (3) Mould-Cleaning Rubbers," International Polymer Science and Technology, vol. 12, No. 12, 1985.

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