Treatment method of cleaning surface of plastic molded item

Details Treatment method of cleaning surface of plastic molded item Treatment method of cleaning surface of plastic molded item

1993-04-09

1994-09-27

Dang, Thi

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156668, 252 791, 134 38, B29C 7100, B05D 300

Patent

active

053504895

ABSTRACT:
The present treatment method of cleaning is characterized by etching the surfaces of a plastic molded item, particularly a fluororesin molded item by using a strong alkaline solution of an organic strong base such as tetramethylammonium hydroxide. According to the method, impurities absorbed into the surfaces of the molded item by chemical treatment can be eliminated effectively within a short period of time.

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