US 10,889,732 B2
Monochromatic actinic radiation curable coatings for optical fiber
Kangtai Ren, Geneva, IL (US); Huimin Cao, Addison, IL (US); and Wendell Wayne Cattron, Elgin, IL (US)
Assigned to DSM IP ASSETS B.V., Heerlen (NL)
Appl. No. 15/329,633
Filed by DSM IP ASSETS B.V., Heerlen (NL)
PCT Filed Aug. 17, 2015, PCT No. PCT/US2015/045475
§ 371(c)(1), (2) Date Aug. 8, 2017,
PCT Pub. No. WO2016/028668, PCT Pub. Date Feb. 25, 2016.
Claims priority of provisional application 62/142,217, filed on Apr. 2, 2015.
Claims priority of provisional application 62/056,594, filed on Sep. 28, 2014.
Claims priority of provisional application 62/056,592, filed on Sep. 28, 2014.
Claims priority of provisional application 62/038,357, filed on Aug. 17, 2014.
Prior Publication US 2018/0163075 A1, Jun. 14, 2018
Int. Cl. C03C 25/285 (2018.01); C09D 133/10 (2006.01); C09D 4/00 (2006.01); C03C 25/26 (2018.01); C03C 25/1065 (2018.01); C03C 25/326 (2018.01); C08F 2/48 (2006.01); C08F 222/10 (2006.01); C08L 75/14 (2006.01); C08F 216/12 (2006.01)
CPC C09D 133/10 (2013.01) [C03C 25/1065 (2013.01); C03C 25/26 (2013.01); C03C 25/285 (2013.01); C03C 25/326 (2013.01); C08F 2/48 (2013.01); C08F 222/1006 (2013.01); C08L 75/14 (2013.01); C09D 4/00 (2013.01); C08F 216/125 (2013.01); C08F 222/102 (2020.02); C08F 222/1065 (2020.02)] 20 Claims
OG exemplary drawing
 
1. A liquid radiation curable composition for coating an optical fiber comprising:
(a) a component possessing an electron-donating substituent attached to a vinyl group, which is present in an amount from about 0.5 wt. % to about 20 wt. %, relative the total weight of the liquid radiation curable composition;
(b) a (meth)acrylate oligomer;
(c) a (meth)acrylate diluent monomer; and
(d) a free-radical photoinitiator component;
wherein component (a) comprises a multifunctional vinyl ether monomer; and
wherein the composition is configured to attain
a top surface percent reacted acrylate unsaturation (% RAU) of at least about 71% according to an LED DSC method, when said composition is cured by a source of monochromatic actinic radiation with a peak spectral output from about 355 nm to about 420 nm.