(19)
(11) EP 0 346 956 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.06.1990 Bulletin 1990/25

(43) Date of publication A2:
20.12.1989 Bulletin 1989/51

(21) Application number: 89201168.5

(22) Date of filing: 13.03.1989
(51) International Patent Classification (IPC)4C11D 3/14, C11D 3/37, C11D 1/22
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 12.03.1988 JP 58688/88

(71) Applicant: CHISSO CORPORATION
Osaka (JP)

(72) Inventors:
  • Takasu, Hiroshi
    Ichiharashi Chibaken (JP)
  • Obama, Kenjiro
    Ichiharashi Chibaken (JP)
  • Fujii, Hiroyuki
    Ichiharashi Chibaken (JP)

(74) Representative: Hansen, Bernd, Dr.rer.nat. et al
Hoffmann, Eitle & Partner Patentanwälte Postfach 81 04 20
81904 München
81904 München (DE)


(56) References cited: : 
   
       


    (54) A cleaning resin composition


    (57) A cleaning resin composition by the use of which it is possible to effect color exchange inside various molding machines by exchanging the composition for the preceding colored resin or to clean the inside of the machines or to effect resin exchange for the preceding resin inside the machines, in a small quantity of the composition, in a simple operation and in a short time is provided,
    which composition comprises a polyolefin resin such as polyethylene, polypropylene, etc. and a neutral salt of an alkylbenzenesulfonic acid, an inorganic filler and a water-repellent compound blended with the polyolefin resin.





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