Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1988-12-16
1991-10-15
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C08F 2400
Patent
active
050575872
ABSTRACT:
The invention provides a radiation-curable liquid resin useful as a secondary coating of lightwave guides. The resin is a reaction product of (meth)acrylic acid or glyceroldi (meth)acrylate or Pentaerythritoltri(meth)acrylate with a 2:1 addition compound of a diepoxide and an .alpha., .omega.-diol with a mean molecular weight between 600 and 3000, or, a reaction product of (meth)acrylic acid or -acid chloride or isocyanatoalkyl-(meth)acrylate with a conversion product of the 2:1 addition compound and a low-molecular monovalent alcohol (C.sub.1 to C.sub.10), a low-molecular bivalent alcohol (C.sub.2 to C.sub.4) or water, where the diepoxide is an aromatic diglycidylether and the .alpha.,.omega.-diol is an .alpha., .omega.-hydroxy-terminated polyoxyalkylene, an .alpha., .omega.-hydroxy-terminated polyester, an .alpha.,.omega.-hydroxy-terminated polybutadiene or an .alpha.,.omega.-hydroxy-terminated organo-functional polysiloxane.
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"Chemical Abstracts", vol. 106, p. 7, No. 161368 y (1987).
Birkle Siegfried
Feucht Hans-Dieter
Kamps Rainer
Rissel Eva
Schofer Joseph L.
Siemens Aktiengesellschaft
Walker Alex H.
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