Washing composition for inhibiting stress cracking in poly(alkyl

Details Washing composition for inhibiting stress cracking in poly(alkyl Washing composition for inhibiting stress cracking in poly(alkyl

1991-12-06

1993-06-29

McAvoy, Ellen

Compositions

Electrolytes for electrical devices

252 33, 252 493, 252 515R, 252 56R, C10M17302

Patent

active

052231623

ABSTRACT:
Stress cracking in poly(alkylene terephthalate) or polycarbonate articles of manufacture is inhibited by applying to the article a hydrophilic-substituted aromatic hydrocarbon having either an alkyl or aryl side chain, such as, e.g., a sodium sulfonate. Preferably, the stress crack inhibitor is applied to the article in the form of a dilute aqueous caustic bottle washing solution.

REFERENCES:
patent: 4929375 (1990-05-01), Rossio et al.
patent: 5009801 (1991-04-01), Wider et al.
patent: 5073280 (1991-12-01), Rossio et al.

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