GB1014981A - Fire retardant compositions comprising methyl methacrylate polymers - Google Patents

Fire retardant compositions comprising methyl methacrylate polymers

Info

Publication number
GB1014981A
GB1014981A GB3633263A GB3633263A GB1014981A GB 1014981 A GB1014981 A GB 1014981A GB 3633263 A GB3633263 A GB 3633263A GB 3633263 A GB3633263 A GB 3633263A GB 1014981 A GB1014981 A GB 1014981A
Authority
GB
United Kingdom
Prior art keywords
chloroethyl
methyl methacrylate
phosphate
copolymer
fire
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
GB3633263A
Inventor
Alan William Jukes
Dennis Ridley
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3633263A priority Critical patent/GB1014981A/en
Priority to NL6410345A priority patent/NL6410345A/xx
Publication of GB1014981A publication Critical patent/GB1014981A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/51Phosphorus bound to oxygen
    • C08K5/52Phosphorus bound to oxygen only
    • C08K5/521Esters of phosphoric acids, e.g. of H3PO4

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)

Abstract

Fire retardant compositions comprise a homopolymer or copolymer of methyl methacrylate, said copolymer containing a major proportion by weight of polymerized methyl methacrylate, and from 3 to 25% by weight based on the weight of said homopolymer or copolymer of mono-(2-chloroethyl) phosphate and/or bis (2-chloroethyl) phosphate. Suitable co-monomers for the copolymer include acrylic acid, methacrylic acid, esters, particularly C1- 12 alkyl esters, of acrylic and methacrylic acid, styrene, substituted styrenes, e.g. halostyrenes, maleimide, N-substituted maleimides, e.g. N-aryl maleimides, acrylonitrile and mixtures thereof. The polymers used can be prepared by known bulk or solution polymerization methods. Other ingredients may optionally be included in the compositions, e.g. dyestuffs, U.V. absorbers, heat stabilizers, plasticizers, substances which render the composition opalescent, e.g. polystyrene, and known fire-retardant agents. In an example, fire-retardant polymethyl methacrylate sheets are prepared by adding a mixture of mono-(2-chloroethyl) phosphate and bis-(2-chloroethyl) phosphate together with azo-diisobutyronitrile to a partially polymerized methyl methacrylate syrup, and moulding the mixture at elevated temperature; comparison processes are also illustrated using mixtures of the corresponding ethyl, n-propyl, n-butyl and isopropyl acid phosphates instead of the chloroethyl acid phosphates.
GB3633263A 1963-09-16 1963-09-16 Fire retardant compositions comprising methyl methacrylate polymers Expired GB1014981A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3633263A GB1014981A (en) 1963-09-16 1963-09-16 Fire retardant compositions comprising methyl methacrylate polymers
NL6410345A NL6410345A (en) 1963-09-16 1964-09-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3633263A GB1014981A (en) 1963-09-16 1963-09-16 Fire retardant compositions comprising methyl methacrylate polymers

Publications (1)

Publication Number Publication Date
GB1014981A true GB1014981A (en) 1965-12-31

Family

ID=10387181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3633263A Expired GB1014981A (en) 1963-09-16 1963-09-16 Fire retardant compositions comprising methyl methacrylate polymers

Country Status (2)

Country Link
GB (1) GB1014981A (en)
NL (1) NL6410345A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311832A1 (en) * 1983-03-31 1984-10-04 Röhm GmbH, 6100 Darmstadt FLAME-RETARDANT POLYMETHYL METHACRYLATE MOLDING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311832A1 (en) * 1983-03-31 1984-10-04 Röhm GmbH, 6100 Darmstadt FLAME-RETARDANT POLYMETHYL METHACRYLATE MOLDING

Also Published As

Publication number Publication date
NL6410345A (en) 1965-03-17

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