Treatment of cellulosic materials

Details Treatment of cellulosic materials Treatment of cellulosic materials

1974-12-09

1976-11-23

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

81156, 8181, 8189, 162158, 252182, 260 296H, 260326A, 536 31, C07D20934, C09K 300, D21F 1100

Patent

active

039936406

ABSTRACT:
The present invention provides compositions for treating cellulosic materials, and in particular for sizing paper or waterproofing textiles with a reactive agent. The reactive agent is a cyclic imide substituted by an aliphatic hydrophobic group and N-substituted by an electron-withdrawing group. Preferably, the composition contains a non-aromatic cyclic imide N-substituted by a long chain acyl group, e.g. N-stearoyl-4-cyclohexene-1,2-dicarboximide. Aqueous emulsions of the imides preferably contain a retention aid such as acrylamides and may be used particularly suitably to size aqueous paper pulp even under mildly alkaline conditions.

REFERENCES:
patent: 2594145 (1952-04-01), Flory
patent: 2961367 (1960-11-01), Weisgerber
patent: 3034922 (1962-05-01), Boe
patent: 3084092 (1963-04-01), Arlt
patent: 3236685 (1966-02-01), Caldwell et al.
patent: 3562100 (1971-02-01), Wasko et al.
patent: 3575796 (1971-04-01), Brown et al.
patent: 3878224 (1975-04-01), Matsui et al.

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