Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1994-12-15
1995-11-07
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526287, 5263077, 5263184, 5263285, 526342, 526240, C08F22606, C08F22802, C08F21802, C08F22056, C08F22010, C08F22044, C08F23004
Patent
active
054649161
ABSTRACT:
The invention relates to pressure-sensitive adhesive (PSA) structured bead, which has a distinct morphology, which is comprised of a copolymer which is characterized as aa two-phase system wherein more rigid, thermoplastic segments (hydrophilic segments formed from the polymerization of water soluble monomer in the water-in-oil emulsion particles) provide discrete reinforcing micro-domains within a predominating continuous matrix formed by rubbery, viscoelastic polymer segments (formed from the polymerization of the ester and the polar monomer). The invention also relates to a method of making the beads via a polymerization of a water-in-oil emulsion in a water suspension.
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Lu Ying-Yuh
Young Chung I.
Cheng Wu C.
Dowdall Janice L.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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