D1369 D RADIATION CURABLE SECONDARY COATING FOR OPTICAL FIBER
First Claim
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1. A Radiation Curable Secondary Coating Composition, wherein said composition comprisesA) a Secondary Coating Oligomer Blend, which is mixed withB) a first diluent monomer;
- C) a second diluent monomer;
D) optionally, a third diluent monomer;
E) an antioxidant;
F) a first photoinitiator;
G) a second photoinitiator; and
H) optionally a slip additive or a blend of slip additives;
wherein said Secondary Coating Oligomer Blend comprises;
α
) an Omega Oligomer; and
β
) an Upsilon Oligomer;
wherein said Omega Oligomer is synthesized by the reaction ofα
1) a hydroxyl-containing (meth)acrylate;
α
2) an isocyanate;
3) a polyether polyol; and
α
4) tripropylene glycol;
in the presence ofα
5) a polymerization inhibitor; and
α
6) a catalyst;
to yield the Omega Oligomer;
wherein said catalyst is selected from the group consisting of copper naphthenate, cobalt naphthenate, zinc naphthenate, triethylamine, triethylenediamine, 2-methyltriethyleneamine, dibutyl tin dilaurate;
metal carboxylates, including, but not limited to;
organobismuth catalysts such as bismuth neodecanoate;
zinc neodecanoate;
zirconium neodecanoate;
zinc 2-ethylhexanoate;
sulfonic acids, including but not limited to dodecylbenzene sulfonic acid, methane sulfonic acid;
amino or organo-base catalysts, including, but not limited to;
1,2-dimethylimidazole and diazabicyclooctane;
triphenyl phosphine;
alkoxides of zirconium and titanium, including, but not limited to Zirconium butoxide and Titanium butoxide; and
Ionic liquid phosphonium salts; and
tetradecyl(trihexyl)phosphonium chloride;
wherein said Upsilon Oligomer is an epoxy diacrylate.
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Abstract
A new radiation curable Secondary Coating for optical fibers is described and claimed wherein said composition comprises a Secondary Coating Oligomer Blend, which is mixed with a first diluent monomer; a second diluent monomer; optionally, a third diluent monomer; an antioxidant; a first photoinitiator; a second photoinitiator; and optionally a slip additive or a blend of slip additives; wherein said Secondary Coating Oligomer Blend comprises:
- α) an Omega Oligomer; and
- β) an Upsilon Oligomer;
- wherein said Omega Oligomer is synthesized by the reaction of
- α1) a hydroxyl-containing (meth)acrylate;
- α2) an isocyanate;
- α3) a polyether polyol; and
- α4) tripropylene glycol; in the presence of
- α5) a polymerization inhibitor; and
- α6) a catalyst;
- to yield the Omega Oligomer;
- wherein said catalyst is selected from the group consisting of dibutyl tin dilaurate; metal carboxylates, including, but not limited to: organobismuth catalysts such as bismuth neodecanoate; zinc neodecanoate; zirconium neodecanoate; zinc 2-ethylhexanoate; sulfonic acids, including but not limited to dodecylbenzene sulfonic acid, methane sulfonic acid; amino or organo-base catalysts, including, but not limited to: 1,2-dimethylimidazole and diazabicyclooctane; triphenyl phosphine; alkoxides of zirconium and titanium, including, but not limited to Zirconium butoxide and Titanium butoxide; and Ionic liquid phosphonium salts; and tetradecyl(trihexyl)phosphonium chloride; and
- wherein said Upsilon Oligomer is an epoxy diacrylate.
-
Citations
6 Claims
-
1. A Radiation Curable Secondary Coating Composition, wherein said composition comprises
A) a Secondary Coating Oligomer Blend, which is mixed with B) a first diluent monomer; -
C) a second diluent monomer; D) optionally, a third diluent monomer; E) an antioxidant; F) a first photoinitiator; G) a second photoinitiator; and H) optionally a slip additive or a blend of slip additives; wherein said Secondary Coating Oligomer Blend comprises; α
) an Omega Oligomer; andβ
) an Upsilon Oligomer;wherein said Omega Oligomer is synthesized by the reaction of α
1) a hydroxyl-containing (meth)acrylate;α
2) an isocyanate;3) a polyether polyol; and α
4) tripropylene glycol;
in the presence ofα
5) a polymerization inhibitor; andα
6) a catalyst;to yield the Omega Oligomer; wherein said catalyst is selected from the group consisting of copper naphthenate, cobalt naphthenate, zinc naphthenate, triethylamine, triethylenediamine, 2-methyltriethyleneamine, dibutyl tin dilaurate;
metal carboxylates, including, but not limited to;
organobismuth catalysts such as bismuth neodecanoate;
zinc neodecanoate;
zirconium neodecanoate;
zinc 2-ethylhexanoate;
sulfonic acids, including but not limited to dodecylbenzene sulfonic acid, methane sulfonic acid;
amino or organo-base catalysts, including, but not limited to;
1,2-dimethylimidazole and diazabicyclooctane;
triphenyl phosphine;
alkoxides of zirconium and titanium, including, but not limited to Zirconium butoxide and Titanium butoxide; and
Ionic liquid phosphonium salts; and
tetradecyl(trihexyl)phosphonium chloride;wherein said Upsilon Oligomer is an epoxy diacrylate. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification