US2007203321A1PendingUtilityA1

Urethane-acrylic coatings for optical fiber

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Assignee: DSM NVPriority: Jan 12, 2001Filed: Apr 23, 2007Published: Aug 30, 2007
Est. expiryJan 12, 2021(expired)· nominal 20-yr term from priority
Inventors:Wendell Wayne CattronXiaosong Wu
C09D 175/16C03C 25/106C03C 25/1065C09D 4/06G02B 6/4402G02B 6/4482
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Claims

Abstract

The present invention relates to a method of improving the tensile, elongation, and/or modulus (overall toughness) of a radiation curable composition by reacting in a free multi-functional isocyanate prior to curing.

Claims

exact text as granted — not AI-modified
1 - 21 . (canceled)  
   
   
       22 . A method of improving the tensile strength, modulus, and/or elongation of a radiation-curable composition comprising: 
 adding a multi-functional isocyanate to the composition prior to curing.    
   
   
       23 . The method according to  claim 22 , further comprising reacting at least a portion of the added multi-functional isocyanate with a hydroxyl-functional mono(meth)acrylate.  
   
   
       24 . A composition obtainable by the method according to any one of claims  22 - 23 .

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