C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 133/08 (2006.01) C08F 220/10 (2006.01) C08F 230/02 (2006.01) C09J 4/00 (2006.01) C09J 133/06 (2006.01)
Patent
CA 2309670
A pressure-sensitive, flame-retardant adhesive is disclosed comprising a composition fabricated with the polymerization of acrylic esters, dibromostyrene, and vinyl phosphonic acid, with or without acrylic acid, mixed with dispersions of antimony trioxide. The adhesive composition preferably is an emulsion polymer fabricated with dibromostyrene, 2-ethylhexyl acrylate, n-butyl acrylate, and vinyl phospohonic acid, mixed with Sb2O3 in an approximate ratio of 100 parts polymer per about 8-12 parts Sb2O3. Preferred polymers are those containing at least about 11.6 % to 15.6 % bromine and from 0.25 % to 2.5 % phosphorous. The adhesive is particularly advantageous in fabricating optical circuit devices.
L'invention concerne un adhésif autocollant ininflammable à base de composition issue de la polymérisation d'esters acryliques, de dibromostyrène et d'acide phosphonique vinylique, avec ou sans acide acrylique, en mélange avec des dispersions de trioxyde d'antimoine. De préférence, la composition adhésive est un polymère en émulsion à base de dibromostyrène, de 2-éthylhexyle acrylate, de n-butyle acrylate, et d'acide phosphonique vinylique, en combinaison avec Sb2O3 environ selon 100 parties de polymère pour environ 8 à 12 parties de Sb2O3. De préférence, les polymères choisis contiennent au moins environ entre 11,6 % et 15,6 % de brome et entre 0,25 % et 2,5 % de phosphore. L'adhésif considéré est particulièrement avantageux dans la fabrication des dispositifs à circuits optiques.
Burack John Joseph
Yurcick Peter A.
Ashland Inc.
Ashland Licensing And Intellectual Property Llc
Deeth Williams Wall Llp
Lucent Technologies Inc.
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