Lubricant for transport of P.E.T. containers

Details Lubricant for transport of P.E.T. containers Lubricant for transport of P.E.T. containers

1993-03-08

1995-02-21

McAvoy, Ellen M.

Compositions

Electrolytes for electrical devices

252 493, C10M17302, C10M13702

Patent

active

053913086

ABSTRACT:
The invention relates to compositions, methods and processes of dilutable aqueous conveyor lubricant concentrates and to the use of the lubricant compositions especially as lubricants for the transport of P.E.T. containers, i.e., containers made of ethylene terephthalate homopolymers, copolymers and mixtures thereof. The aqueous lubricant concentrate compositions (pH 9.0-10.5) contain fatty acid, alkyl phosphate ester and alkyl aryl phosphate esters, which serve the dual role as emulsifying agent and stress crack inhibitor, in the presence of potassium hydroxide as the saponifying agent and in combinations with typical coupling/hydrotrope and chelating agents; and optional inorganic phosphate.

REFERENCES:
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patent: 5062979 (1991-11-01), Scharf et al.
patent: 5073280 (1991-12-01), Rossio et al.
patent: 5190679 (1993-03-01), McDonald
patent: 5223162 (1993-06-01), Rossio
Ethox Chemicals, Inc. catalog, pp. 1-16, no date.
Avny et al., "Chemical Modification of Polyester Fiber Surfaces" Journal of Applied Polymer Science, vol. 32, (Aug. 1986).
Constar International, Certified Lubricant List, (Sept. 1993).
Rohm Haas Specialty Chemicals Hydrotopes catalog, Jan. 1980.

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