发明名称 |
STRAHLUNGSHÄRTBARE D1378 CA-GRUNDIERBESCHICHTUNG FÜR OPTISCHE FASERN |
摘要 |
<p>Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. A radiation curable Primary Coating composition comprising: an oligomer; a diluent monomer; a photoinitiator; an antioxidant; and an adhesion promoter; wherein said oligomer is the reaction product of: a hydroxyethyl acrylate; an aromatic isocyanate; an aliphatic isocyanate; a polyol; a catalyst; and an inhibitor, wherein said catalyst is an organo bismuth catalyst; wherein said oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of said radiation curable coating composition has a peak tan delta Tg of from about−25° C. to about−45° C.; and a modulus of from about 0.50 MPa to about 1.2 MPa.</p> |
申请公布号 |
AT498594(T) |
申请公布日期 |
2011.03.15 |
申请号 |
AT20070862847T |
申请日期 |
2007.12.13 |
申请人 |
DSM IP ASSETS B.V. |
发明人 |
WU, XIAOSONG;SCHMID, STEVEN R.;MURPHY, EDWARD J.;ZIMMERMAN, JOHN M.;TORTORELLO, ANTHONY JOSEPH |
分类号 |
C03C25/10;C03C25/26;C09D11/00;C09D175/14;C09D175/16 |
主分类号 |
C03C25/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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