IT1033200B - Moisture-resistant cellulosic fibres - obtd by adding resin to aqueous fibre suspension, reducing pH, dehydrating, and drying-crosslinking - Google Patents
Moisture-resistant cellulosic fibres - obtd by adding resin to aqueous fibre suspension, reducing pH, dehydrating, and drying-crosslinkingInfo
- Publication number
- IT1033200B IT1033200B IT2066775A IT2066775A IT1033200B IT 1033200 B IT1033200 B IT 1033200B IT 2066775 A IT2066775 A IT 2066775A IT 2066775 A IT2066775 A IT 2066775A IT 1033200 B IT1033200 B IT 1033200B
- Authority
- IT
- Italy
- Prior art keywords
- suspension
- moisture
- cellulosic fibres
- dehydrating
- crosslinking
- Prior art date
Links
Abstract
Cellulosic fibres impregnated internally with a resin for use e.g., in prepn. of tampons, tissue paper, napkins, wadding, upholstery matls. etc., are prepd. by (a) prepg. a suspension of (I) cellulosic fibres in water, (b) adjusting the pH of the suspension to a value at which (I) swells, (c) adding (II) a resin that increases the moisture resistance of (I), while agitating and macerating the suspensions; (d) reducing the pH of the suspension to a lower value at which (I) contracts and (II) polymerises, (e) dehydrating the suspension to a concn. which facilities the sepn. of (I), (f) sepg. (I), and (g) drying (I) and crosslinking (II). This gives prodts. with a good resistance to moisture and compression, a soft handle, a higher porosity, and good intermingling props. The prodt. can be easily processed on papermaking machines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2066775A IT1033200B (en) | 1975-02-25 | 1975-02-25 | Moisture-resistant cellulosic fibres - obtd by adding resin to aqueous fibre suspension, reducing pH, dehydrating, and drying-crosslinking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2066775A IT1033200B (en) | 1975-02-25 | 1975-02-25 | Moisture-resistant cellulosic fibres - obtd by adding resin to aqueous fibre suspension, reducing pH, dehydrating, and drying-crosslinking |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1033200B true IT1033200B (en) | 1979-07-10 |
Family
ID=11170281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2066775A IT1033200B (en) | 1975-02-25 | 1975-02-25 | Moisture-resistant cellulosic fibres - obtd by adding resin to aqueous fibre suspension, reducing pH, dehydrating, and drying-crosslinking |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1033200B (en) |
-
1975
- 1975-02-25 IT IT2066775A patent/IT1033200B/en active
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