Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1998-12-16
2000-11-07
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
162135, 1621646, D21H 2118
Patent
active
06143132&
ABSTRACT:
The novel AOX-free process for imparting wet strength to paper with water-dispersible polyisocyanates is distinguished by a good wet-strength effect, even under mild drying conditions, and does not affect the activity of optical brighteners used at the same time.
REFERENCES:
patent: 2926116 (1960-02-01), Keim
patent: 3049469 (1962-08-01), Davidson
patent: 3238010 (1966-03-01), Habib et al.
patent: 3311608 (1967-03-01), Murphy
patent: 3332901 (1967-07-01), Keim
patent: 3483077 (1969-12-01), Aldrich
patent: 3589978 (1971-06-01), Kamal et al.
patent: 3748329 (1973-07-01), Liebsch et al.
patent: 3752700 (1973-08-01), Dahl
patent: 3761307 (1973-09-01), Dahl
patent: 3802988 (1974-04-01), Dahl
patent: 3925283 (1975-12-01), Dahl
patent: 3996154 (1976-12-01), Johnson et al.
patent: 4505778 (1985-03-01), Robertson
patent: 4547265 (1985-10-01), Forgione et al.
patent: 4663377 (1987-05-01), Hombach et al.
patent: 4670100 (1987-06-01), Henning et al.
patent: 4892620 (1990-01-01), Beuzelin et al.
Ullmanns Encyklopadie der technischen Chemie (Ulmann's Encyclopaedia of Chemical Technology), Weinheim, vol. 17 (1979) pp. 585-587.
R. Pelzer et al., Wochenblatt fur Papierfabrikation Weekly Journal for Paper Manufacture, 11/12 (1989) pp. 499, 500, 502, 504.
Methoden der organischen Chemie (Methods of Organic Chemistry), Houben-Weyl, vol. XIV/1, part 1, pp. 190-208.
Chemical Abstracts, vol. 94 (1981) JP-A-86035r.
Chemical Abstracts, Polymer Chemistry, p. 5, JA-57 149.
Faika Harald
Konig Joachim
Laas Hans-Josef
Reiff Helmut
Reiners Jurgen
Bayer Aktiengesellschaft
Chin Peter
LandOfFree
Process for imparting wet strength to paper does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for imparting wet strength to paper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for imparting wet strength to paper will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1637067