ES365921A1 - Liquid activated bonded polyamide articles - Google Patents

Liquid activated bonded polyamide articles

Info

Publication number
ES365921A1
ES365921A1 ES365921A ES365921A ES365921A1 ES 365921 A1 ES365921 A1 ES 365921A1 ES 365921 A ES365921 A ES 365921A ES 365921 A ES365921 A ES 365921A ES 365921 A1 ES365921 A1 ES 365921A1
Authority
ES
Spain
Prior art keywords
gas
articles
inert liquid
filaments
web
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
Application number
ES365921A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
Original Assignee
Monsanto Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of ES365921A1 publication Critical patent/ES365921A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving

Abstract

Synthetic linear polyamide articles are bonded by contacting them with a gas dissolved in an inert liquid in which the gas remains substantially unionised, the gas being able to disrupt the intermolecular bonds between adjacent -NHCO- linkages without appreciably disrupting covalent bonds within the polymeric chains of the polyamide, and removing the gas' from the articles while they are in contact so as to bond them together. The gas may be HCI, HBr, BF 3 , BCl 3 , Cl 2 , SO 3 , N 2 O 3 or NO 2 . The inert liquid can be acetone, ether, chloroform, carbon tetrachloride, benzene, pentane, trichlorofluoromethane or heptane. The gas and inert liquid can be removed by heating or washing. The articles may be filaments, pellicles or granules. The filaments can be staple or continuous and be formed into a web on a Rando Webber, carding or paper-making machine, or by air-laying. The web can be pressed to assist contact during bonding.
ES365921A 1968-04-11 1969-04-11 Liquid activated bonded polyamide articles Expired ES365921A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72061468A 1968-04-11 1968-04-11

Publications (1)

Publication Number Publication Date
ES365921A1 true ES365921A1 (en) 1971-03-16

Family

ID=24894669

Family Applications (1)

Application Number Title Priority Date Filing Date
ES365921A Expired ES365921A1 (en) 1968-04-11 1969-04-11 Liquid activated bonded polyamide articles

Country Status (12)

Country Link
US (1) US3536556A (en)
JP (1) JPS5015900B1 (en)
AT (1) AT314465B (en)
BE (1) BE731411A (en)
CH (1) CH558169D (en)
DE (1) DE1918580C3 (en)
ES (1) ES365921A1 (en)
FR (1) FR2006079A1 (en)
GB (1) GB1268071A (en)
IL (1) IL31993A (en)
LU (1) LU58382A1 (en)
NL (1) NL6905646A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901755A (en) * 1972-05-24 1975-08-26 Cons Bathurst Ltd Bonding of polymers by surface activation
SE7602629L (en) * 1975-03-03 1976-09-06 Monsanto Co LAYERED FABRICS AND PROCEDURES FOR THEIR MANUFACTURE
JPS5419220U (en) * 1977-07-12 1979-02-07
JPS54104428U (en) * 1977-12-29 1979-07-23

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US2920992A (en) * 1954-09-22 1960-01-12 Du Pont Article of commerce

Also Published As

Publication number Publication date
AT314465B (en) 1974-04-10
DE1918580A1 (en) 1969-10-30
GB1268071A (en) 1972-03-22
DE1918580C3 (en) 1979-03-15
CH558169D (en) 1900-01-01
IL31993A0 (en) 1969-06-25
FR2006079A1 (en) 1969-12-19
JPS5015900B1 (en) 1975-06-09
IL31993A (en) 1972-07-26
US3536556A (en) 1970-10-27
DE1918580B2 (en) 1978-07-13
LU58382A1 (en) 1969-11-13
BE731411A (en) 1969-10-13
NL6905646A (en) 1969-10-14

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