Pulping wood using fatty acid esters of polyoxyalkalene glycols

Details Pulping wood using fatty acid esters of polyoxyalkalene glycols Pulping wood using fatty acid esters of polyoxyalkalene glycols

1994-03-28

1996-03-26

Lacey, David L.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 72, 162DIG4, 162 90, D21C 304

Patent

active

055017690

ABSTRACT:
A process for cooking wood to pulp by contacting the wood with a deresinating agent containing fatty acid esters of polyoxyalkene glycols priors to cooking the wood with an alkaline liquor to simultaneously reduce pulp rejects and increase pulp yield.

REFERENCES:
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patent: 3909345 (1975-09-01), Parker et al.
patent: 4673460 (1987-06-01), Raff
patent: 4906331 (1990-03-01), Blackstone et al.
patent: 4952277 (1991-06-01), Chen et al.
patent: 5032224 (1991-06-01), Ahluwalia
patent: 5223089 (1993-06-01), Kato
patent: 5298120 (1994-03-01), Blackstone
Chemax, Inc., Chemax DFO-155 and Chemax DFO-199M.

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