Process for the surface treatment of an article by sulphonation

Details Process for the surface treatment of an article by sulphonation Process for the surface treatment of an article by sulphonation

1995-06-02

1997-02-25

Beck, Shrive

Coating processes

Interior of hollow article coating

Spraying

427237, 4272557, 427335, 427336, 427337, 4274123, B05D 310

Patent

active

056057180

ABSTRACT:
Process for the surface treatment of at least a part of an article comprising at least one surface essentially composed of a plastic, the said process comprising at least one sulphonation stage and at least one neutralization stage and being characterized in that the neutralization is carried out by bringing into contact with at least one polyamine compound.

REFERENCES:
patent: 2786780 (1957-03-01), Walles et al.
patent: 3613957 (1971-10-01), Walles et al.
patent: 3629025 (1971-12-01), Walles et al.
patent: 3911184 (1975-10-01), Caskey et al.
patent: 4861250 (1989-08-01), Walles et al.
patent: 5202161 (1993-04-01), Seizert et al.
SAE Passenger Car Meet. (Dearborn, Mich. Oct. 19-22, 1987) PAP. No. 871999, 9P, Buck et al, "An Evaluation Of Process Parameters To Optimize Gasohol Barrier Properties In HPDE Fuel Tanks".
SAE Int. Congr. (Detroit Feb. 29-Mar. 4, 1988) PAP. No. 8806865 1-8. Smith et al. "Analysis Of Barrier Performance On HDPE Fuel Tanks Using a Mini--Shed Test Procedure".
SAE Passenger Car Meet. (Troy, Mich. Jun. 7-10, 1982) PAP. No. 820800, 22P. Johnke et al. "A status Report On HPDE Fuel Tanks In European Automobiles: Characteristics Of Service Life On Performance".

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