Nitrogen-containing water-soluble polymeric compounds

Details Nitrogen-containing water-soluble polymeric compounds Nitrogen-containing water-soluble polymeric compounds

1989-03-15

1990-05-29

Nielsen, Earl

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621646, 528367, 528391, 528405, 528341, 558 48, C08G 7300

Patent

active

049293095

ABSTRACT:
Water-soluble crosslinkable polymeric compounds which are obtainable by reaction of reaction products, containing halogenohydrin groups, of ammonia or mono- or polyamines and an epihalogenohydrin with inorganic bases and subsequent reaction of the resulting compounds containing epoxide groups with halogen-free sulphonic acids to give compounds containing sulphonic acid ester groups are used for imparting wet strength to paper.

REFERENCES:
patent: 3493502 (1970-02-01), Coscia
patent: 3567659 (1971-03-01), Nagy
patent: 4624975 (1986-11-01), Pham
patent: 4718918 (1988-01-01), Heller et al.
patent: 4837283 (1989-06-01), Ries
patent: 4857586 (1989-08-01), Bachem et al.

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