Thixotropic rust removal coating and process

Details Thixotropic rust removal coating and process Thixotropic rust removal coating and process

1982-03-31

1986-03-25

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524112, 29 81R, 134 2, 134 3, 134 4, 134 41, 25217424, 252524, 252527, 252DIG2, 252DIG3, B08B 700, C11D 337, C11D 732, C08L 500

Patent

active

045784078

ABSTRACT:
Spreadable thixotropic coating composition suitable for rust removal and containing polyvinylpyrrolidone, water and a thixotropic agent which is either xanthan gum or water-soluble crosslinked interpolymer of maleic anhydride, monovinyl alkyl ether and crosslinking agent. The composition has a pH between about 1.5 and 7.0 is applied to rusty metal surfaces and allowed to dry. During drying the rust becomes incorporated into the coating which is then easily removed.

REFERENCES:
patent: 3448088 (1969-06-01), Azorlosa
patent: 3492238 (1970-01-01), Wohlberg
patent: 3729423 (1973-04-01), Hirota
patent: 3810784 (1974-05-01), Wong et al.
patent: 4250048 (1981-02-01), Leveskis
patent: 4325744 (1982-04-01), Panayappan et al.
patent: 4336145 (1982-06-01), Briscoe

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