Emulsion type acrylic pressure sensitive adhesives
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United States of America Patent
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Issued Date -
Nov 10, 2005
app pub date -
Jul 1, 2004
filing date -
May 5, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a composition of an emulsion type, acrylic, pressure sensitive adhesive, which includes (a) 15 to 35 parts per hundred of dialkyl dicarboxylate, (b) 15 to 35 parts per hundred of vinyl esters, (c) 35 to 65 parts per hundred of alkyl acrylates or alkyl mathacrylates; (d) 0.1 to 2.0 parts per hundred of cross-linker based on the total weight of (a)+(b)+(c), (e) 0.2.about.2.0 parts per hundred of hydroxy alkyl acrylates or hydroxy alkyl mathacrylates, (f) 0.1 to 1.0 parts per hundred nonionic surfactant, (g) 0.4 to 3.0 parts per hundred of anionic surfactant, (h) 0.1.about.0.5 parts per hundred of reactive surfactant; which react with de-ionized water, an initiator and a buffer. The adhesives composition has excellent water-whitening resistance and aging resistance properties.
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