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US 2022/0074138 A1Published application
Method for producing softwood-derived pulp fibers for paper and softwood-derived pulp fibers for paper
AssigneeUnicharm Corporation
InventorsTakeshi Bandou, Takayoshi Konishi
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Abstract
A method of producing conifer-derived pulp fibers for paper includes a beating step of beating conifer-derived material pulp fibers in the presence of a liquid including water; and an ozone treatment step of treating, with ozone water, the beaten conifer-derived material pulp fibers.
Claims11
A method of producing conifer-derived pulp fibers for paper, the method comprising:
- a beating step of beating conifer-derived material pulp fibers in the presence of a liquid including water;
- and
- an ozone treatment step of treating, with ozone water, the beaten conifer-derived material pulp fibers.
A fiber product comprising:
- conifer-derived pulp fibers for paper, wherein
- a length-loaded average fiber length is 1.6 to 2.1 mm.
Dependencies are inferred from the claim text.