Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-02-16
1983-11-01
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524272, 524375, C08K 517
Patent
active
044130821
ABSTRACT:
A water-soluble, pressure-sensitive, self-adhesive composition comprising a limited class of copolymers and a specific plasticizer which is completely neutralized with potassium hydroxide. The composition comprises 30 to 80 parts of a copolymer of 70 to 88% by weight acrylic acid butyl ester and 12 to 30% by weight vinyl carboxylic acid. The ester may be substituted in an amount of 3 to 12% by weight by acrylic acid-2-ethylhexyl ester and/or 5 to 25% by weight by a mixture of vinyl acetate and fumaric acid dialkyl ester. The composition also includes 20 to 70 parts by weight of a water soluble plasticizer which is ethoxylated phenol (or alkylphenol), ethoxylated alkyl mono- or diamine, or an ethoxylated alkyl ammonium compound. The composition is particularly useful for the production of adhesive tapes and similar articles useful in the papermaking industry for maintaining paper webs in continuous form.
REFERENCES:
patent: 2889297 (1959-06-01), Brandner et al.
patent: 3758433 (1973-09-01), Mullen
patent: 4033918 (1977-07-01), Hauber
Hackh's Chemical Dictionary, p. 404, "Maleic Acid".
Gleichenhagen Peter
Wesselkamp Ingrid
Beiersdorf Aktiengesellschaft
Bierman Jordan B.
Bierman Linda
Sarofin N.
Schofer Joseph L.
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