Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-11-02
1992-01-14
Nutter, Nathan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
525308, 428137, C08F 900, C08F26504, C08G 900, B32B 310
Patent
active
050811665
ABSTRACT:
An improved process for producing stabilized core-shell latex emulsion adhesives is disclosed. In a process which comprises preparing a hydrophilic polymer and thereafter contacting the hydrophilic polymer with a hydrophobic monomer for producing an inverted core-shell latex emulsion, the improvement comprises the additional step of adjusting the pH of the inverted core-shell latex emulsion for dissolving the hydrophilic polymer, thereby to produce a stabilized latex emulsion adhesive.
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Colloque International sur la Copolymerisation et les Copolymeres en Emulsion, Mar. 1984, pp. 377-386 & 387-390--and the English translation titled: Emulsion Copolymerization, reprinted from Makromol. Chem., Suppl. 10/11, 359-390 (1985), pp. 24-31.
See also "Bibliographie" of the English-language Translation, Journal of Polymer Science: The Formation of `Inverted` Core-Shell Latexes by D. I. Lee and T. Ishikawa in the Polymer Chemistry Edition, vol. 21, at pp. 147-154, published 1983.
J.A.P.S. Article: "Preparation of Carboxylated Polymer Emulsion Particles in Which Carboxyl Groups Are Predominantly Localized at Surface Layer by Using Seeded Emulsion Polymerization Technique", by Masayoshi et al., Synopsis, p. 1.
S. Muroi Article: "Internal Structure of Latex Particles Formed by [Two]-Stage Feed Polymerization of Ethyl Acrylate-Methacrylate Acid Mixture", p. 1, 2nd para.
Polymer Article: "Properties and Structure of Elastomeric Two-Stage Emulsion Interpenetrating Networks" by Narkis et al., see Abstract, pp. 1-2.
Journal of Applied Polymer Science Article: "Morphology of Latex Particles Formed by Poly(methyl Methacrylate)-Seeded Emulsion Polymerization of Styrene", from vol. 30, pp. 1903-1926 of J.A.P.S., see also Synopsis, p. 1903, first sentence by Cho et al.
Esser Richard J.
Jensen Dennis P.
Kiehlbauch Richard A.
Morgan Lee W.
Volk Vince S.
Nutter Nathan M.
S. C. Johnson & Son Inc.
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