US 9,810,838 B2
Fiber coatings with low young's modulus and high tear strength
Yangbin Chen, Lima, NY (US); Manuela Ocampo, Corning, NY (US); and Ruchi Tandon, Painted Post, NY (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by Corning Incorporated, Corning, NY (US)
Filed on Aug. 18, 2014, as Appl. No. 14/461,685.
Claims priority of provisional application 61/876,918, filed on Sep. 12, 2013.
Prior Publication US 2015/0071595 A1, Mar. 12, 2015
Int. Cl. G02B 6/02 (2006.01); C08G 18/75 (2006.01); C08G 18/48 (2006.01); C08G 18/04 (2006.01); C09D 175/16 (2006.01); G02B 1/14 (2015.01); C03C 25/10 (2006.01); C08G 18/67 (2006.01)
CPC G02B 6/02395 (2013.01) [C03C 25/106 (2013.01); C08G 18/04 (2013.01); C08G 18/4825 (2013.01); C08G 18/672 (2013.01); C08G 18/758 (2013.01); C09D 175/16 (2013.01); G02B 1/14 (2015.01)] 21 Claims
OG exemplary drawing
 
1. A composition comprising an oligomeric material comprising a polyether urethane acrylate compound having the molecular formula:

OG Complex Work Unit Drawing
and a di-adduct compound having the molecular formula:

OG Complex Work Unit Drawing
wherein
R1, R2 and R3 are independently selected from linear alkyl groups, branched alkyl groups,
or cyclic alkyl groups;
y is 1, 2, 3, or 4;
x is between 40 and 100; and
said di-adduct compound is present in an amount of at least 2.35 wt %.