GB878669A - Optically brightened polyamides - Google Patents

Optically brightened polyamides

Info

Publication number
GB878669A
GB878669A GB4920/60A GB492060A GB878669A GB 878669 A GB878669 A GB 878669A GB 4920/60 A GB4920/60 A GB 4920/60A GB 492060 A GB492060 A GB 492060A GB 878669 A GB878669 A GB 878669A
Authority
GB
United Kingdom
Prior art keywords
barium
neutral
salts
calcium
salt
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
GB4920/60A
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.)
BASF Schweiz AG
Original Assignee
Ciba AG
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 Ciba AG filed Critical Ciba AG
Publication of GB878669A publication Critical patent/GB878669A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/60—Optical bleaching or brightening
    • D06L4/664—Preparations of optical brighteners; Optical brighteners in aerosol form; Physical treatment of optical brighteners

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Artificial Filaments (AREA)

Abstract

Optically brightened shaped structures of linear polyamides are made by adding to the polyamide prior to its shaping, or to the starting materials from which the polyamide is manufactured, a substantially colourless sparingly water-soluble metal salt of an optical brightener of the formula:- <FORM:0878669/IV (a)/1> in which A1, A2, A3 and A4 are residues formed from a primary or secondary amine by removal of a hydrogen atom attached directly to the amino nitrogen atom and m and n are each 1 or 2. Specified polyamides are those derived from w-aminoundecanoic acid, e -aminocaproic acid, e -caprolactam and adipic acid and hexamethylene diamine. Specified metal salts are those of manganese, titanium, zinc, zirconium, aluminium, magnesium, strontium, barium and calcium. In the example 10,000 parts of polyhexamethylene adipamide having a molecular weight of about 13,000 is tumbled in the form of chips with 30 parts of titanium dioxide and 5 parts of the neutral calcium, barium, zirconium or magnesium salts of:- <FORM:0878669/IV (a)/2> the neutral barium salt of:- <FORM:0878669/IV (a)/3> the neutral barium salt of:- <FORM:0878669/IV (a)/4> and the aluminium salt of:- <FORM:0878669/IV (a)/5> the mixtures being melted and spun into filaments which are stretched.ALSO:The Specification discloses the preparation of sparingly water-soluble neutral calcium and barium salts of <FORM:0878669/IV (b)/1> by reacting the free disulphonic acid with calcium or barium hydroxide, the salts formed being optical brightening agents. Other optical brightening agents specified which it is stated are prepared by analogous methods are the neutral zirconium and magnesium salts of the above specified disulphonic acid, the neutral barium salts of <FORM:0878669/IV (b)/2> and <FORM:0878669/IV (b)/3> and the aluminium salt of <FORM:0878669/IV (b)/4>
GB4920/60A 1959-02-13 1960-02-11 Optically brightened polyamides Expired GB878669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH6956159A CH370918A (en) 1959-02-13 1959-02-13 Process for the production of optically brightened structures from polyamides

Publications (1)

Publication Number Publication Date
GB878669A true GB878669A (en) 1961-10-04

Family

ID=4529610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4920/60A Expired GB878669A (en) 1959-02-13 1960-02-11 Optically brightened polyamides

Country Status (6)

Country Link
BE (1) BE587557A (en)
CH (1) CH370918A (en)
DE (1) DE1145745B (en)
ES (1) ES255743A1 (en)
FR (1) FR1250824A (en)
GB (1) GB878669A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1113543A (en) * 1953-11-24 1956-03-30 Bayer Ag Synthetic fiber production process

Also Published As

Publication number Publication date
CH370918A (en) 1963-07-31
FR1250824A (en) 1961-01-13
ES255743A1 (en) 1960-08-16
DE1145745B (en) 1963-03-21
BE587557A (en) 1960-08-12

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