D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/08 (2006.01) D06M 13/256 (2006.01) D06M 13/352 (2006.01) D06M 13/405 (2006.01) D06M 15/53 (2006.01) D21F 1/30 (2006.01) D21H 21/02 (2006.01)
Patent
CA 2131143
-17- ABSTRACT OF THE DISCLOSURE This invention relates to an improved press felt conditioning treatment which controls the deposition of poly(amino- amide) - epichlorohydrin type resins in a press felt. The treatment comprises applying to the felt an effective inhibiting amount of a conditioner comprising: an ethoxylated nonylphenol having greater than about 30 moles of ethoxylation; sodium n-hexadecyl diphenyl- oxide disulfonate; a fatty acid imidazoline or an alkylamidopropyl- dimethylamine which include an alkyl hydrophobe substituent having a carbon chain length of about 18.
Curham Kevin D.
Khan Abdul Q.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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