Composition for flame-retardant cast panels made of (meth)acryli

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

524706, 524710, 524712, 526193, 526233, C08K 552, C08K 549

Patent

active

057475695

ABSTRACT:
The invention relates to compositions for flame-retardant cast panels made of (meth)acrylic polymers.
The composition comprises at least one (meth)acrylic ester monomer, (meth)acrylic acid and at least one phosphorus compound which is anhydrous and is chosen from phosphoric acids, phosphoric acid esters or their mixtures, optionally in combination with an optionally halogenated neutral phosphoric ester. The amount of (meth)acrylic acid and of phosphorus compound, by weight with respect to the total mixture constituting the composition, is such that the flame-retardancy coefficient FRC: ##EQU1## is greater than 0.95.

REFERENCES:
patent: 3030327 (1962-04-01), Hosch et al.

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