| 摘要 |
A method for manufacturing a plugged honeycomb structure 30 which comprises attaching a mask film 4 to an end surface 11 ; making holes 3 at selected portions corresponding to the predetermined cell opening end portions 7 ; applying a pretreating agent 20 containing at least one component compatible with a dispersion medium for slurry for plugging the predetermined cell opening end portions 7 to partition walls 10 at the predetermined cell opening end portions 7 , then submerging, in a plugging slurry 6 , the end surface 11 of the material to which the perforated mask film 4 has been attached to fill the predetermined cell opening end portions 7 with the plugging slurry 6.
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