Brominated polymers as FR additives and polymer systems containing same
View Patent ↗Certain brominated polymers compounds are effective FR additives for combustible organic polymers. These FR additives include: i) a copolymer having styrene and 2,3-dibromopropylmaleimide repeating units; ii) a brominated polyester having aliphatically bound bromine; iii) an allyl ether of a ring-brominated novolac resin; iv) a 3-bromo-2-hydroxypropyl ether of a novolac resin; v) a 2,3-dibromopropyl ether of a cresol novolac resin; and vi) a brominated ROMP polymer or copolymer.
1. A polymer composition comprising a combustible polymer having mixed therein a brominated FR additive selected from one or more of the following:
i) a copolymer having styrene and 2,3-dibromopropylmaleimide repeating units;
ii) a brominated polyester having aliphatically bound bromine;
iii) an allyl ether of a ring-brominated novolac resin;
iv) a 3-bromo-2-hydroxypropyl ether of a novolac resin;
v) a 2,3-dibromopropyl ether of a cresol novolac resin; and
vi) a brominated ROMP polymer or copolymer.
2. The polymer composition of claim 1 , wherein the combustible polymer is a polymer or copolymer of a vinyl aromatic monomer.
3. The polymer composition of claim 2 , wherein the combustible polymer is a polymer or copolymer of styrene, alpha-methyl styrene, 4-methyl styrene, divinylbenzene or a mixture of any two or more thereof.
4. The polymer composition of claim 2 , wherein the combustible polymer is polystyrene, a styrene-acrylonitrile copolymer, a styrene-acrylic acid copolymer or a styrene-acrylonitrile-butadiene resins.
5. The polymer composition of claim 2 , wherein the combustible polymer is polystyrene.
6. The polymer composition of claim 2 , wherein the combustible polymer is a random, block or graft copolymer of butadiene and at least one vinyl aromatic monomer.
7. The polymer composition of claim 1 , which is a foam.
8. A polymer composition comprising a combustible polymer having mixed therein a brominated FR additive selected from one or more of the following:
ii) a brominated polyester having aliphatically bound bromine;
iii) an allyl ether of a ring-brominated novolac resin;
iv) a 3-bromo-2-hydroxypropyl ether of a novolac resin;
v) a 2,3-dibromopropyl ether of a cresol novolac resin; and
vi) a brominated ROMP polymer or copolymer.
9. The polymer composition of claim 8 , wherein the combustible polymer is a polymer or copolymer of a vinyl aromatic monomer.
10. The polymer composition of claim 9 , wherein the combustible polymer is a polymer or copolymer of styrene, alpha-methyl styrene, 4-methyl styrene, divinylbenzene or a mixture of any two or more thereof.
11. The polymer composition of claim 9 , wherein the combustible polymer is polystyrene, a styrene-acrylonitrile copolymer, a styrene-acrylic acid copolymer or a styrene-acrylonitrile-butadiene resins.
12. The polymer composition of claim 9 , wherein the combustible polymer is polystyrene.
13. The polymer composition of claim 9 , wherein the combustible polymer is a random, block or graft copolymer of butadiene and at least one vinyl aromatic monomer.
14. The polymer composition of claim 8 , which is a foam.