| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a photosetting repairing material for the inner surface of a pipeline branch excellent in handleability and improved so as to be able not only to omit the preparation work requiring much labor on the spot but also to shorten the time up to perfect curing, and an industrially advantageous photosetting repairing method for the inner surface of the pipeline branch using the photosetting repairing material. <P>SOLUTION: The photosetting repairing material for the inner surface of the pipeline branch comprises a semicured sheet containing a fiber reinforcing material and/or a filler, an unsaturated polyester resin, a vinyl ester resin and/or a urethane (meth)acrylate resin, and a polymerization initiator active at a wavelength of 250-700 nm and is processed into the shape corresponding to the inner surface shape of the pipeline branch part (3). <P>COPYRIGHT: (C)2003,JPO</p> |
