Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1991-11-19
1994-03-29
Chaudhuri, Olik
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
134 6, 25217423, 25217421, 25217422, 252DIG5, B08B 700
Patent
active
052980782
ABSTRACT:
Disclosed is a cleaning composition for use in cleaning the interior of a molding machine having residual molding resin retained therein, comprising (a) a specific graft polymer comprised of a main chain comprising an olefin polymer and having, grafted thereto, a side chain comprising a styrene polymer and (b) a thermoplastic styrene polymer, the graft polymer (a) and the thermoplastic styrene polymer (b) being present in a weight ratio of from 2/100 to 160/100. This cleaning composition exhibits an extremely excellent cleaning effect due to its high capability to scape off a residual resin on a metallic surface. By using this cleaning composition, the cleaning of the interior of a molding machine having a residual molding resin retained therein can be effectively and efficiently performed in a short period of time and at a low cost.
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patent: 4731126 (1988-03-01), Dixit et al.
patent: 4838945 (1989-06-01), Fujii et al.
patent: 4838948 (1989-06-01), Bailey
patent: 5034449 (1991-07-01), Mallikarjun
Itoh Mikihiko
Murahara Narimichi
Asahi Kasei Kogyo Kabushiki Kaisha
Chaudhuri Olik
Everhart C.
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