CH629060B - METHOD OF PREPARING A PHOSPHAZEN MIXTURE AND ITS USE AS A FIRE RETARDANT AGENT. - Google Patents

METHOD OF PREPARING A PHOSPHAZEN MIXTURE AND ITS USE AS A FIRE RETARDANT AGENT.

Info

Publication number
CH629060B
CH629060B CH1647974A CH1647974A CH629060B CH 629060 B CH629060 B CH 629060B CH 1647974 A CH1647974 A CH 1647974A CH 1647974 A CH1647974 A CH 1647974A CH 629060 B CH629060 B CH 629060B
Authority
CH
Switzerland
Prior art keywords
mixture
propanol
phosphazen
preparing
fire retardant
Prior art date
Application number
CH1647974A
Other languages
German (de)
Other versions
CH629060GA3 (en
Inventor
Carroll Wendell Lanier
James Tzu-Fen Kao
John Wayne Hudson
Original Assignee
Ethyl Corp
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 of CH629060B publication Critical patent/CH629060B/en
Application filed by Ethyl Corp filed Critical Ethyl Corp
Priority to CH1647974A priority Critical patent/CH629060GA3/en
Publication of CH629060GA3 publication Critical patent/CH629060GA3/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/667—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing phosphorus in the main chain
    • D06M15/673—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing phosphorus in the main chain containing phosphorus and nitrogen in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G79/00—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
    • C08G79/02—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule a linkage containing phosphorus
    • C08G79/025—Polyphosphazenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • C08L1/06—Cellulose hydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Fireproofing Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

In the reaction of a phosphorus nitride chloride, in particular of the formula (PNCl2)n where n>/=3, which comprises from 65 to 95% of cyclic compounds, with propanol in the presence of an HCl acceptor, such as pyridine, at least the first half of the propanol is passed into the reaction mixture at an increasing rate in such a way that the temperature of the mixture does not exceed 38 DEG C. In total, from 95 to 150% of the theoretical amount of propanol are employed. A mixture of propoxylated phosphazenes having a mean molecular weight of from 900 to 1600 and a viscosity of from 1400 to 4800 cP at 25 DEG C is obtained. The mixture is used for the flameproofing of cellulose textile materials.
CH1647974A 1974-12-11 1974-12-11 Process for the preparation of a phosphazene mixture, and the use thereof as flameproofing agent CH629060GA3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH1647974A CH629060GA3 (en) 1974-12-11 1974-12-11 Process for the preparation of a phosphazene mixture, and the use thereof as flameproofing agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1647974A CH629060GA3 (en) 1974-12-11 1974-12-11 Process for the preparation of a phosphazene mixture, and the use thereof as flameproofing agent

Publications (2)

Publication Number Publication Date
CH629060B true CH629060B (en)
CH629060GA3 CH629060GA3 (en) 1982-04-15

Family

ID=4417744

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1647974A CH629060GA3 (en) 1974-12-11 1974-12-11 Process for the preparation of a phosphazene mixture, and the use thereof as flameproofing agent

Country Status (1)

Country Link
CH (1) CH629060GA3 (en)

Also Published As

Publication number Publication date
CH629060GA3 (en) 1982-04-15

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