Hydrophilic fibers containing substantive polysiloxanes and tissue products made therefrom
First Claim
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1. Polysiloxane pretreated pulp fibers comprising:
- a) pulp fibers; and
, b) a polysiloxane, wherein the polysiloxane pretreated pulp fibers have a polysiloxane content of about 0.4 percent or greater by weight of dry pulp fibers, a silicone retention factor of about 0.6 or greater, and an initial water drop absorption value of about 180 seconds or less.
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Abstract
The present invention is polysiloxane pretreated pulp fibers comprising pulp fibers, and a polysiloxane. The polysiloxane pretreated pulp fibers have a polysiloxane content of about 0.4 percent or greater by weight of dry pulp fibers, a silicone retention factor of about 0.6 or greater, and an initial water drop absorption value of about 180 seconds or less.
54 Citations
62 Claims
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1. Polysiloxane pretreated pulp fibers comprising:
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a) pulp fibers; and
,b) a polysiloxane, wherein the polysiloxane pretreated pulp fibers have a polysiloxane content of about 0.4 percent or greater by weight of dry pulp fibers, a silicone retention factor of about 0.6 or greater, and an initial water drop absorption value of about 180 seconds or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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- 9. The polysiloxane pretreated pulp fibers of claim 9, wherein the polysiloxane is a hydrophilic polysiloxane having the general structure of:
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32. Polysiloxane pretreated pulp fibers comprising:
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a) pulp fibers; and
,b) a hydrophobic polysiloxane; and
c) a hydrophilic polysiloxane;
wherein the polysiloxane pretreated pulp fibers have a polydialkylsiloxane content of about 0.4 percent by weight of dry fibers or greater, a silicone retention factor of about 0.6 or greater and an initial water drop absorption value of about 180 second or less. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
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Specification