GB1326929A - Lactam-impregnated red phosphorus and the use thereof - Google Patents

Lactam-impregnated red phosphorus and the use thereof

Info

Publication number
GB1326929A
GB1326929A GB6170870A GB6170870A GB1326929A GB 1326929 A GB1326929 A GB 1326929A GB 6170870 A GB6170870 A GB 6170870A GB 6170870 A GB6170870 A GB 6170870A GB 1326929 A GB1326929 A GB 1326929A
Authority
GB
United Kingdom
Prior art keywords
lactam
thermoplastic material
mixture
extruder
composition
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
GB6170870A
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 SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1326929A publication Critical patent/GB1326929A/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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/10—Encapsulated ingredients
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

1326929 Flame-proofed thermoplastics compositions BADISCHE ANILIN- & SODAFABRIK AG 30 Dec 1970 [31 Dec 1969] 61708/70 Headings C3P and C3R A flame-proofed composition is made from synthetic thermoplastic materials by incorporating red phosphorus which has been impregnated with a C 4-12 lactam. The incorporation may take place at any stage in the manufacture or processing of the thermoplastic material. The thermoplastic material may be, e.g. polyurethane, polyacetal, polyesteramide, styrene/ acrylonitrile copolymer, polypropylene, polyformaldehyde, trioxan copolymers, polyethylene terephthalate, or a linear polyamide or copolyamide, e.g. nylon 6, 6/6, or 6/10, or polyamides fromed from C 4-18 aliphatic dicarboxylic acids and diamines. The composition may also comprise glass, carbon or metal fibres, whiskers or asbestos; lubricants, e.g. Ca or Zn stearates, waxes, aliphatic dicarboxamides or dicarboxylic acid esters; stabilizers, e.g. substituted phenols, naphthols, or mercaptans, e.g. N - (p - hydroxyphenyl)benzamide; antistatic agents; dyes or pigments, e.g. Cd yellow; or fillers, e.g. kaolin or chalk. The P/lactam mixture may be made by melting the lactam before, during or after blending; the mixture may comprise 25-90% P and 10-75% lactam. The P may have particle size 0À01-15 mm. The granular thermoplastic material may be mixed with the additives continuously or batchwise and the resulting premix fed to an extruder where the thermoplastic material is melted and mixed homogeneously with the additives, the mixture being then extruded as a strand or ribbon; which is then granulated. Preferably the extruder has a port for withdrawing gases; the lactam may be volatilized and removed during mixing. The extruder may be single- or twin-shaft; or disc-kneaders or mixing-rolls may be used. The P/lactam mixture may be first masterbatched with some of the thermoplastic material. The proportion of P in the final composition may be 1-20% by weight based on polymer.
GB6170870A 1969-12-31 1970-12-30 Lactam-impregnated red phosphorus and the use thereof Expired GB1326929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691965635 DE1965635B2 (en) 1969-12-31 1969-12-31 PRODUCTION OF THERMOPLASTIC PLASTICS WITH RED PHOSPHORUS FLAME RETARDANT

Publications (1)

Publication Number Publication Date
GB1326929A true GB1326929A (en) 1973-08-15

Family

ID=5755337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6170870A Expired GB1326929A (en) 1969-12-31 1970-12-30 Lactam-impregnated red phosphorus and the use thereof

Country Status (6)

Country Link
BE (1) BE761037A (en)
CA (1) CA947043A (en)
DE (1) DE1965635B2 (en)
FR (1) FR2074394A5 (en)
GB (1) GB1326929A (en)
NL (1) NL7019023A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625692A1 (en) * 1975-06-10 1976-12-16 Rhone Poulenc Ind Means for making plastics flame retardant

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428758C3 (en) * 1974-06-14 1982-05-13 Basf Ag, 6700 Ludwigshafen Process for the production of self-extinguishing thermoplastic molding compounds
FR2303837A1 (en) * 1975-03-13 1976-10-08 Rhone Poulenc Ind FIRE-RETARDANT THERMOSTABLE COMPOSITIONS BASED ON PREPOLYMERS OBTAINED FROM BIS-IMIDS AND DIAMINES
FR2344615A1 (en) * 1976-03-19 1977-10-14 Rhone Poulenc Ind COMPOSITIONS INTENDED FOR THE FLAME PROTECTION OF PLASTICS
DE2623112C2 (en) * 1976-05-22 1984-08-23 Hoechst Ag, 6230 Frankfurt Flame-retardant molding compounds made from thermoplastics
GB1585085A (en) * 1976-06-21 1981-02-25 Ici Ltd Polyamide compositions
DE3215750A1 (en) * 1982-04-28 1983-11-03 Basf Ag, 6700 Ludwigshafen FLAME RESISTANT POLYAMIDE OR POLYURETHANE MOLDS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625692A1 (en) * 1975-06-10 1976-12-16 Rhone Poulenc Ind Means for making plastics flame retardant
DE2625692C3 (en) * 1975-06-10 1983-11-24 Rhone-Poulenc Industries, 75008 Paris Flame-proofing of plastics

Also Published As

Publication number Publication date
DE1965635A1 (en) 1970-10-08
DE1965635B2 (en) 1971-06-16
NL7019023A (en) 1971-07-02
FR2074394A5 (en) 1971-10-01
CA947043A (en) 1974-05-14
BE761037A (en) 1971-06-30

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years