GB964855A - A process for the production of sheet materials from polyamide fibres - Google Patents
A process for the production of sheet materials from polyamide fibresInfo
- Publication number
- GB964855A GB964855A GB3282/63A GB328263A GB964855A GB 964855 A GB964855 A GB 964855A GB 3282/63 A GB3282/63 A GB 3282/63A GB 328263 A GB328263 A GB 328263A GB 964855 A GB964855 A GB 964855A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibres
- tanning
- melting point
- treated
- agents
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Laminated Bodies (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Sheet materials are made from polyamide fibres by treating the fibres with natural tanning agents containing hydroxyl groups, partial ethers or esters thereof or synthetic polyhydroxy compounds having a tanning action, dispersing the treated fibres in water, casting the dispersion to form a web, dehydrating, drying and consolidating the product. Polyamides referred to are those from caprolactam and from the salt of adipic acid and hexamethylene diamine. Tanning agents referred to are gallotannins, oak bark tanning substances, catechol tanning substances, partially etherified and esterified tannins, polyhydroxy-benzophenones, polyhydroxyanthraquinones; polyhydroxynaphthoquinones and condensation products thereof with agents such as formaldehyde, and digallic acid. The fibres can be treated by conducting a tow through the tanning solution, and then stretching and washing, or they can be treated with tanning solutions after stretching or cutting to length. The fibres are preferably not dried after treatment with the tanning agent, but merely separated from the treatment liquor by centrifuging. The products can be calendered hot or cold, or sprayed in a dry condition with impregnating agents or binding resins, or drawn through solutions or emulsions of such materials, e.g. a copolyamide. They can be consolidated by heat and pressure, when they contain a proportion of polyamide fibres which have a lower melting point than the other fibres, using a temperature slightly above the melting point of the fibres of lower melting point. In one example untreated fibres are added to an aqueous suspension of treated fibres, this suspension made into paper, and the paper is calendered at the melting point of the untreated fibres. Specification 868,651 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV21977A DE1204518B (en) | 1962-02-02 | 1962-02-02 | Process for the production of paper-like structures from polyamide fibers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB964855A true GB964855A (en) | 1964-07-22 |
Family
ID=7579533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3282/63A Expired GB964855A (en) | 1962-02-02 | 1963-01-25 | A process for the production of sheet materials from polyamide fibres |
Country Status (8)
Country | Link |
---|---|
US (1) | US3222244A (en) |
AT (1) | AT244739B (en) |
BE (1) | BE626316A (en) |
CH (1) | CH398293A (en) |
DE (1) | DE1204518B (en) |
FR (1) | FR1352221A (en) |
GB (1) | GB964855A (en) |
NL (1) | NL288445A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049491A (en) * | 1975-02-20 | 1977-09-20 | International Paper Company | Viscous dispersion for forming wet-laid, non-woven fabrics |
JP3868376B2 (en) * | 2001-01-31 | 2007-01-17 | 旭化成ケミカルズ株式会社 | Method for producing cellulose derivative aqueous dispersion |
WO2022119550A2 (en) * | 2021-12-28 | 2022-06-09 | Ficus Innovations Teksti̇l Anoni̇m Şi̇rketi̇ | Red-colored natural textile dye composition and related dyeing method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2317728A (en) * | 1941-12-06 | 1943-04-27 | Du Pont | Sizing synthetic linear polyamide textiles |
US2496665A (en) * | 1949-06-10 | 1950-02-07 | William A Hermanson | Composite transparent sheet |
US2869973A (en) * | 1954-08-25 | 1959-01-20 | Du Pont | Synthetic paper sheet of chemically bonded synthetic polymer fibers and process of making the same |
-
0
- BE BE626316D patent/BE626316A/xx unknown
- NL NL288445D patent/NL288445A/xx unknown
-
1962
- 1962-02-02 DE DEV21977A patent/DE1204518B/en active Pending
- 1962-12-18 AT AT988262A patent/AT244739B/en active
-
1963
- 1963-01-02 FR FR920259A patent/FR1352221A/en not_active Expired
- 1963-01-09 CH CH22463A patent/CH398293A/en unknown
- 1963-01-25 GB GB3282/63A patent/GB964855A/en not_active Expired
- 1963-02-04 US US256149A patent/US3222244A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR1352221A (en) | 1964-02-14 |
US3222244A (en) | 1965-12-07 |
DE1204518B (en) | 1965-11-04 |
CH398293A (en) | 1965-08-31 |
NL288445A (en) | |
AT244739B (en) | 1966-01-25 |
BE626316A (en) |
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