Method for cleaning a metal mold

Details Method for cleaning a metal mold Method for cleaning a metal mold

1994-10-24

1995-08-15

Michl, Paul R.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 221, 134 2219, 134 30, 134 42, 524265, 524267, 524247, 524425, 524433, 524448, 524492, 524493, B08B 904

Patent

active

054415730

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-61-287946.
Yokoyama et al, "Mould-Cleaning Methods, (3) Mould-Cleaning Rubbers," International Polymer Science and Technology, vol. 12, No. 12, 1985.

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