Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1981-08-10
1982-09-21
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
526317, 524833, C08L 3504
Patent
active
043506224
ABSTRACT:
An aqueous dispersion of a vinylidene chloride copolymer resin which, when coated onto a synthetic resinous film substrate, has the combined properties of: (1) good adhesion to the substrate; (2) good adhesion of a printing ink to the coating; (3) excellent barrier to gases (especially oxygen) and water vapor; and (4) a high resistance to a boiling water treatment. The dispersion must contain methacrylic acid in an amount of from about 1.times.10.sup.-4 to about 3.times.10.sup.-4 moles per gram of polymer solids content. The dispersion must also have a molar ratio of acrylonitrile to methyl methacrylate of from about 0 to 1 to about 1 to 1. A limited portion of the amount of methacrylic acid is contained in the aqueous phase. The remaining amount of methacrylic acid is polymerized with the vinylidene chloride.
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Hiyoshi Kazuhiko
Matsugichi Michiharu
Matsuura Norio
Nishikage Tadao
Onofusa Norio
Asahi-Dow Limited
Howard D. R.
Lipman Bernard
Schofer Joseph L.
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