Antipyrene compositions

FIELD: chemistry.

SUBSTANCE: invention relates to fire-resistant compositions which are used for making various products, for example in form of films, fibre, tape, moulding compositions, section materials or as binders for coating materials, adhesives or filler. This composition contains (a) polyolefin and (b) at least one compound of formula I: R4R3R2C-Z1-Z2-Z3(R2)rR3R4 (I).

EFFECT: use of non-halogenated compounds of general formula (I) in the composition as antipyrene for polyolefins and is an industrially and environmentally necessary alternative to halogenated antipyrene compounds, resulting in excellent combustion slowing down, excellent initial colouring, weak yellowing and self-extinction of such compositions.

20 cl, 4 ex, 2 tbl

 

The text descriptions are given in facsimile form.

1. Flame retardant composition, which includes
(a) a polyolefin, and
(b) at least one compound of formula (I)

in which Z1and Z2both represent NR1a Z3denotes C or N; r represents 0 when Z3denotes N, and r is 1 when Z3means With;
both R1together they form the link between Z1and Z2or each of R1independently denotes H or forms a bond together with R2at the adjacent atom, or, respectively, Z3;
each R2independently forms a bond or denotes a monovalent radical as listed below for R3and R4;
each R3independently and each R4independently denote a monovalent radical selected from H, optionally substituted alkyl, who obazatelno substituted cycloalkyl, or when one or both of the atom and Z3as stated above in the formula (I), R3and R4together with the aforementioned atom or, respectively, Z3to which they are attached, form a optionally substituted saturated, partially saturated or aromatic mono - or polycyclic ring system containing from 5 to 20 carbon atoms; a R2denotes a monovalent radical, as it is presented above for R3and R4or forms a link between Z3and Z4or forms a bond in the ring system formed by R3and R4between the said atom or, respectively, Z3and adjacent ring atom;
or Z3together with R2if there is one, R3and R4that join to form the group-R'5([Z1-Z2-R6-]kZ1-Z2-R5-H)tin which each of R'5and R5independently denotes alkylene, cycloalkyl, cycloalkenyl or cycloalkylcarbonyl, each R6independently denotes alkylene, cycloalkyl, cycloalkenyl or cycloalkylcarbonyl, each of Z1-Z2- represents-NR1-NR1-;
t denotes 1 or 2, and k values indicates 0-3,
each group or the rest of the group, described as options for R3, R43, R'4, R'5and R6, optionally substituted independently with 1-3 alkilani, alkenylamine, akinyemi, cycloalkyl, cycloalkenyl, arylalkyl; or Z3together with R2if there is one, R3and R4who join it, represent a connecting group R8- education group, R2R3R4C-Z1-Z2-R8-[U]xthat is a recurring structural unit of the polymer, in which R8means connecting link or alkylene, cycloalkyl, heterocyclyl or Allen; U denotesor; R' denotes H or alkyl, and x is from 2 to 500;
provided that in the compound of formula (I) at least one of an atom and Z3as shown in the above formula (I), R3and R4independently other than N, and R2denotes H or link.

2. The composition according to claim 1, which compound of formula (I) selected from the following compounds of formulas (II) and (III):
the compound of formula (II)
,
in which both R1together form a bond or each of R1independently denotes H or forms a bond together with R2at the adjacent atom as specified in claim 1;
the compound of formula (III)
,
in which the nd both R 1together form a bond;
where in the above formulas (II) and (III) the values of R1for R4indicated in claim 1.

3. The composition according to claim 1, in which in the compound of formula (I) as with the atom, and the atom Z3, R3and R4other than N, and R2denotes H or link.

4. The composition according to claim 1, in which compound (I) is acyclic a-Z1-Z2is symmetrical substituted.

5. The composition according to claim 1, in which compound (I) is acyclic a-Z1-Z2is asimmetricheskii replaced.

6. The composition according to claim 1, in which the compound of formula (I) is a compound of formula R4R3R2C-N=N-CR2R3R4(IIa), where the values of R2for R4in the formula (IIa) shown in claim 1.

7. The composition according to claim 2, in which the compound of formula (II) is acyclic and R3and R4at the same atom, together with them, form a optionally substituted saturated, partially saturated or aromatic, mono - or polycyclic ring system according to claim 1, the said ring which is selected from cycloalkyl or aryl, which is not substituted or is substituted by 1-3 of alkyl, alkenyl, quinil, cycloalkyl, cycloalkenyl or arylalkyl.

8. The composition according to claim 2, which compound of formula (II) are selected from bis-(cycloalkylcarbonyl)alkanovykh, the cycle is alkylalkoxysilane, arylalkylamines, cycloalkylation, cycloalkylation, arealsoulsinger and unilaterally compounds, preferably bis-(cycloalkylcarbonyl)alkane, cycloalkylation or cycloalkylation, resulting in any of the alkyl-, aryl-, arylalkyl, cycloalkyl and cycloalkenyl optionally substituted by 1-3 substituents.

9. The composition according to claim 1, in which the compound of formula (I) is a compound of formula (IIb)

in which one or both of (R3and R4) and (R'3and R'4) together with the aforementioned atom to which they are attached, form a optionally substituted saturated, partially saturated or aromatic mono - or polycyclic ring system according to claim 1 where the above-mentioned ring system selected from phenyl, mono - or bicyclic cycloalkyl containing from 5 to 16 atoms; or each R3and R4and/or each R'3and R'4independently represents H, alkyl or cycloalkyl where cycloalkyl as a group or part of a group is a mono - or bicyclic ring containing from 5 to 16 atoms; a R2denotes H or a bond in the above-mentioned ring system between the atom and the adjacent ring atom.

10. The composition according to claim 9, in which the compound of formula (I) submitted is a compound of formula (IIb')

in which one or both of (R3and R4) and (R'3and R'4) together with the aforementioned atom to which they are attached, form a saturated monocyclic ring system where the above-mentioned ring system selected from a monocyclic of cycloalkyl containing from 5 to 8 atoms, or each R'3and R'4independently denotes H, C1-C20alkyl or C5-C8cycloalkyl; a R2denotes H or a bond in the above-mentioned ring system between the atom and the adjacent ring atom.

11. The composition according to claim 1, in which component (b) comprises a compound of the formula (IIc)

in which R3and R4together with the aforementioned atom to which they are attached, form cycloalkyl containing from 5 to 8 atoms;
and the atom together with the N, R'3and R'4that join to form the group-R'5([Z1-Z2-R6-]kZ1-Z2-R5-H)tin which each of R'5and R5independently represents C1-C8alkylen,5-C8cycloalkyl,5-C8cycloalkyl-C1-C8alkylen,5-C8cycloalkyl-C1-C8alkylen-C5-C8cycloalkyl; every Z1-Z2- represent-N=-, t stands for 1, a k denotes 0.

12. The composition according to claim 1, which includes (I) an additional flame retardant.

13. The composition according to item 12, in which an additional flame retardant is a halogenated fire retardant, compound of phosphorus, metal hydroxide, metal oxides, flame retardant, based on the melamine, N-hydrocarbonoclastic (NOR) hindered amine AP, the connection of the aluminum compound of antimony or boron compound, or a mixture.

14. The composition according to item 12, provided that the composition does not contain any halogenated flame retardant compounds.

15. The composition according to 14, which comprises a synergistic mixture of compounds of formula (I) as defined in claim 1 and one or more additional AP selected from legalizirovala N-hydrocarbonization (NOR) difficulty amine flame retardant, aluminum compounds, boron compounds, magnesium hydroxide and/or swelling systems.

16. The composition according to claim 1, comprising as additional additives additives selected from the group comprising phenolic and/or amine antioxidants, employed amine light stabilizers, absorbers of UV rays, phosphites, phosphonites, benzophenone, metallic stearates, metal oxides, pigments, dyes, organophosphorus compounds, hydroxylamine or flame retardants, or mixtures thereof.

17. A way to slow the burning of the polyolefin, to what the op in this polyolefin add at least one compound of formula (I) according to claim 1.

18. The method according to 17, provided that the polymeric material does not contain one or more halogenated flame retardants.

19. The use of the compounds of formula (I) according to claim 1 as a flame retardant for polyolefin.

20. The composition according to claim 1, where component (b) is a compound of the formula
or



 

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