(19)
(11) EP 0 252 477 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.09.1990 Bulletin 1990/38

(43) Date of publication A2:
13.01.1988 Bulletin 1988/02

(21) Application number: 87109727.5

(22) Date of filing: 06.07.1987
(51) International Patent Classification (IPC)4D06M 15/333
(84) Designated Contracting States:
BE DE FR GB IT NL SE

(30) Priority: 07.07.1986 US 882760

(71) Applicant: AIR PRODUCTS AND CHEMICALS, INC.
Trexlertown Pennsylvania 18087 (US)

(72) Inventor:
  • Marten, Finn Lennart
    Macungie, PA 18062 (US)

(74) Representative: Schwabe - Sandmair - Marx 
Stuntzstrasse 16
81677 München
81677 München (DE)


(56) References cited: : 
   
       


    (54) Waxless polyvinyl alcohol size composition


    (57) An aqueous waxiess size composition for textile yam comprising in an aqueous solution

    (a) 100 parts polyvinyl alcohol and

    (b) 2-6 parts ethylene oxide-propylene oxide surfactant which has a surface tension less than 49 dynes/cm, preferably between about 40 to 48 dynes/cm, as a 0.1% aqueous solution at 25°C, and desirably a foaming number less than about 20 (ml foam/g solution)°F as a 7% aqueous polyvinyl alcohol solution containing 4 parts surfactant per 100 parts polyvinyl alcohol.







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