초록 ▼

This invention provides a flame-retardant resin composition comprising: (A) 100 parts by weight of a thermoplastic resin other than a thermotropic liquid crystal polymer, (B) 0.01 to 50 parts by weight of a thermotropic liquid crystal polymer, and (C) 1 to 30 parts by weight of a halogen-free p

This invention provides a flame-retardant resin composition comprising: (A) 100 parts by weight of a thermoplastic resin other than a thermotropic liquid crystal polymer, (B) 0.01 to 50 parts by weight of a thermotropic liquid crystal polymer, and (C) 1 to 30 parts by weight of a halogen-free phosphazene compound, the invention providing a novel flame-retardant resin composition which is free of the problems arising due to the presence of halogen element, the composition being excellent in flame retardancy, mechanical properties, molding processability and the like, and being unlikely to cause dripping.

대표청구항 ▼

This invention provides a flame-retardant resin composition comprising: (A) 100 parts by weight of a thermoplastic resin other than a thermotropic liquid crystal polymer, (B) 0.01 to 50 parts by weight of a thermotropic liquid crystal polymer, and (C) 1 to 30 parts by weight of a halogen-free p

This invention provides a flame-retardant resin composition comprising: (A) 100 parts by weight of a thermoplastic resin other than a thermotropic liquid crystal polymer, (B) 0.01 to 50 parts by weight of a thermotropic liquid crystal polymer, and (C) 1 to 30 parts by weight of a halogen-free phosphazene compound, the invention providing a novel flame-retardant resin composition which is free of the problems arising due to the presence of halogen element, the composition being excellent in flame retardancy, mechanical properties, molding processability and the like, and being unlikely to cause dripping. ntly of each other C1-C10alkyl, C5-C12cycloalkyl; or R5and R6and/or R7and R8together with the carbon atom form a C5-C12cycloalkyl ring; R11is formyl, C2-C18alkylcarbonyl, benzoyl, C1-C18alkyl, benzyl or phenyl; and R12is OH, C114 C18alkoxy, benzyloxy, NR23R24,wherein R23and R24are independently of each other hydrogen, C1-C18alkyl or phenyl; where X represents a group having at least one carbon atom and is such that the free radical X. derived from X is capable of initiating polymerization of ethylenically unsaturated monomers. 2. A compound according to claim 1, wherein X is selected from the group consisting of --CH2-aryl, --CH2--CH2-aryl, (C5-C6cycloalkyl)2CCN, (C1-C12alkyl)2CCN, --CH2CH=CH2,(C1-C12)alkyl-CR30--C(O)--(C1-C12)alkyl, (C1-C12)alkyl-CR30--C(O)--(C6-CR)aryl, (C1-C12)alkyl-CR30--C(O)--(C1-C12)alkoxy, (C1-C12)alkyl-CR30--C(O)-phenoxy, (C1-C12)alkyl-CR30--C(O)--N-di(C1-C12)alkyl, (C1-C12)alkyl-CR30--CO--NH(C1-C12)alkyl, (C1-C12)alkyl-CR30--CO--NH2,--CH2CH=CH--CH3,--CH2--C(CH3)=CH2,--CH2--CH=CH-phenyl, (C1-C12)alkyl-CR30--CN, wherein R30is hydrogen or C1-C12alkyl; the aryl groups are phenyl or naphthyl, which are unsubstituted or substituted with C1-C12alkyl, halogen, C1-C12alkoxy, formyl, C2-C12alkylcarbonyl, glycidyloxy, OH, --COOH or --COOC1--C12alkyl. 3. A compound according to claim 1, wherein X is selected from the group consisting of --CH2-phenyl, CH3CH-phenyl, (CH3)2C-phenyl, (C5-C6cycloalkyl)2CCN, (CH3)2CCN, --CH2CH=CH2,CH3CH--CH=CH2(C114 C8alkyl)CR30--C(O)-phenyl, (C1-C8)alkyl-CR30--C(O)--(C1-C8)alkoxy, (C1-C8)alkyl-CR30--C(O)--(C1-C8)alkyl, (C1-C8)alkyl-CR30--C(O)--N--di(C1-C8)alkyl, C1-C8)alkyl-CR30--C(O)--NH(C1-C8)alkyl, (C1-C8)alkyl-CR30--C(O)--NH2,wherein R30is hydrogen or (C1-C8)alkyl. 4. A compound according to claim 1, wherein X is selected from the group consisting of --CH2-phenyl, CH3CH-phenyl, (CH3)2C-phenyl, (C5-C6cycloalkyl)2CCN, (CH3)2CCN, --CH2CH=CH2,CH3CH--CH=CH2(C1-C4alkyl)CR30--C(O)-phenyl, (C1-C4)alkyl-CR30--C(O)--(C1-C4)alkoxy, (C1-C4)alkyl-CR30--C(O)--(C1-C4)alkyl, (C1-C4)alkyl-CR30--C(O)--N-di(C1-C4)alkyl, (C1-C4)alkyl-CR30--C(O)--NH(C1-C4)alkyl, (C1-C4)alkyl- CR30--C(O)--NH2,wherein R30is hydrogen or (C1-C4)alkyl. 5. A compound of formula (Ib) according to claim 1, wherein Q is O; R5,R6,R7and R8are independently of each other methyl or ethyl; or R5and R6and/or R7and R8together with the carbon atom form a C5-C6cycloalkyl ring; R9and R10are independently of each other formyl, C2-C8alkylcarbonyl, benzoyl, C1-C8alkyl, benzyl or phenyl. 6. A compound of formula (Ic) according to claim 1, wherein Y is O; R5,R6,R7and R8are independently of each other methyl or ethyl; or R5and R6and/or R7and R8together with the carbon atom form a C5-C6cycloalkyl ring; R11is formyl, C2-C18alkylcarbonyl, benzoyl, C1-C18alkyl, benzyl or phenyl and R12is OH, C1-C18alkoxy, benzyloxy, NR23R24,wherein R23and R24are independently of each other hydrogen or C1-C18alkyl. 7. A polymerizable composition, comprising a) at least one ethylenically unsaturated monomer or oligomer, and b) at least one compound of formula (Ia), (Ib) or (Ic) wherein Y is O or CH2; Q is O or NR20,wherein R20is hydrogen or C1-C18alkyl; R1is tertiary C4-C18alkyl or phenyl, which are unsubstituted or substituted by halogen, OH, COOR21or C(O)--R22wherein R21is hydrogen, a alkali metal atom or C1-C18alkyl and R22is C1-C18alkyl; or R1is C5-C12cycloalkyl, C5-C12cycloalkyl which is interrupted by at least one O or N atom, a polycyclic alkyl radical or a polycyclic alkyl radical which is interrupted by at least one O or N atom; R2and R3are independently C1-C18alkyl, benzyl, C5-C12cycloalkyl or phenyl, which are unsubstituted or substituted by halogen, OH, COOR21or C(O)--R22or together with the carbon atom form a C5-C12cycloalkyl ring; if Y is O, R4and R12are OH, O(alkali-metal) C1-C18alkoxy, benzyloxy, NR23R24,wherein R23and R24are independently from each other hydrogen, C1-C18alkyl or phenyl, which are unsubstituted or substituted by halogen, OH, COOR21or C(O)--R22; if Y is CH2, R4is OH, C1-C18alkoxy, benzyloxy, O--C(O)--(C1-C18)alkyl or NR23R24; R12are a group C(O)R25,wherein R25is OH, C1-C18alkoxy, benzyloxy, NR23N24,wherein R23and R24are independently from each other hydrogen, C1-C18alkyl or phenyl, which are unsubstituted or substituted by halogen, OH, COOR21or C(O)--R22; R5,R6,R7and R8are independently of each other C1-C18alkyl, C5-C12cycloalykyl or phenyl, with the proviso that not more than two are phenyl; or R5and R6and/or R7and R8together with the carbon atom form a C5-C12cycloalkyl ring; R9and R10are independently of each other hydrogen, formyl, C2-C18alkylcarbonyl, benzoyl, C1-C18alkyl, C5-C12cycloalkyl, C5-C12cycloalkyl which is interrupted by at least one O or N atom, benzyl or phenyl which are unsubstituted or substituted by halogen, OH, COOR21or C(O)--R22; R11,is formyl, C2-C18alkylcarbonyl, benzoyl, C1-C18alkyl, C5-C12cycloalkyl, C5-C12cycloalkyl which is interrupted by at least one O or N atom, benzyl or phenyl which are unsubstituted or substituted by halogen, OH, COOR21or C(O)--R22; and X represents a group having at least one carbon atom and is such that the free radical X. derived from X is capable of initiating polymerization of ethylenically unsaturated monomers. 8. A composition according to claim 7, wherein the ethylenically unsaturated monomer or oligomer is selected from the group consisting of ethylene, propylene, n-butylene, i-butylene, styrene, substituted styrene, conjugated dienes, acrolein, vinyl acetate, vinylpyrrolidone, vinylimidazole, maleic anhydride, (alkyl)acrylic acidanhydrides, (alkyl)acrylic acid salts, (alkyl)acrylic esters, (meth)acrylonitriles, (alkyl)acrylamides, vinyl halides or vinylidene halides. 9. A composition according to claim 8 wherein the ethylenically unsaturated monomer is selected from the group consisting of ethylene, propylene, n-butylene, i-butylene, isoprene, 1,3-butadiene, α-C5-C18alkene, styrene, α-methyl styrene, p-methyl styrene and compounds of formula CH2=C(Ra)--(C=Z)--Rb,wherein Rais hydrogen or C1-C4alkyl, Rbis NH2,O-(Me+), glycidyl, unsubstituted C1-C18alkoxy, C2-C100alkoxy interrupted by at least one N and/or O atom, or hydroxy-substituted C1-C18alkoxy, unsubstituted C1-C18alkylamino, di(C1-C18alkyl)amino, hydroxy-substituted C1-C18alkylamino or hydroxy-substituted di(C1-C18alkyl)amino, --O--CH2--CH2--N(CH3)2or --O--CH2--CH2--N+H(CH3)2An-, An-is a anion of a monovalent organic or inorganic acid, Me is a monovalent metal atom or the ammonium ion and Z is oxygen or sulfur. 10. A composition according to claim 9, wherein Rais hydrogen or methyl, Rbis NH2,gycidyl, unsubstituted or with hydroxy substituted C1-C4alkoxy, unsubstituted C1-C4alkylamino, di(C1-C4alkyl)amino, hydroxy-substituted C1-C4alkylamino or hydroxy-substituted di(C1-C4alkyl)amino; and Z is oxygen. 11. A composition according to claim 10, wherein the ethylenically unsaturated monomer is selected from the group consisting of styrene, methylacrylate, ethylacrylate, butylacrylate, isobutylacrylate, tert.butylacrylate, hydroxyethylacrylate, hydroxpropylacrylate, dimethylaminoethylacrylate, glycidylacrylates, methyl(meth)acylate, ethyl(methyl)acrylate, butyl(meth)acrylate, hydroxyethyl(meth)acrylate, hydroxypropyl(meth)acrylate, dimethylaminoethyl(meth)acrylate, glycidyl(meth)acrylates, acrylonitrile, acrylamide, methacrylamide and dimethylaminopropylmethacrylamide. 12. A composition according to claim 7, wherein the ethylenically unsaturated monomer is a mixture of a methacrylate and an acrylate. 13. A composition according to claim 7, wherein the initiator compound is present in an amount of from 0.1 mol-% to 30 mol-%, based on the monomer or monomer mixture. 14. A process for preparing an oligomer, a cooligomer, a polymer or a copolymer (block or random) by free radical polymerization of at least one ethylenically unsaturated monomer or oligomer, which comprises (co)polymer