Title: Radiation process for producing a reactive aqueous emulsion

Abstract: A process for producing a reactive aqueous emulsion comprising dispersing a monomer mixture of (a) 65.0 - 98.8% by weight of radical polymerizable hydrophobic ethylenic unsaturated monomer having one ethylenic unsaturated bond, (b) 1.0 - 30.0% by weight of radical polymerizable ethylenic unsaturated monomer having a glycidyl group and (c) 0.2 - 5.0% by weight of a radical polymerizable ethylenic unsaturated monomer having a carboxylic group in water by virtue of a restricted amount of surface active agent and irradiating with an ionizing radiation for a total dose of more than 0.01 Mrad at temperatures ranging from -5.degree. C. to 50.degree. C. This reactive aqueous emulsion does not contain low-molecular water-soluble compounds such as a radical polymerization initiator, a pH regulator, etc. and can form a film having improved properties.

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Inventors: Araki, Kunio (Takasaki, JP)
Makuuchi, Keizo (Sakai, JP)
Takagi, Tohru (Takasaki, JP)
Nakayama, Hiroyuki (Kanagawa, JP)

Application Number: 824819
Filing Date: 1977-08-15
Publication_date: 1979-03-13
Assignee: Japan Atomic Energy Research Institute (Tokyo, JP); Kansai Paint Co., Ltd. (Amagasaki, JP)
Primary Class(es): 522/5 522/84, 522/912, 523/300, 524/811, 525/530, 525/531, 526/271, 526/272, 526/273
Other Classes:
US Patent Ref:

2787561	Apr, 1957	Sanders	117/232.
3073806	Jan, 1963	Reinhard	260/78.
3083171	Mar, 1963	Aronoff et al.	260/29.
3666645	May, 1972	Ronsohoff	204/159.
3701679	Oct, 1972	Johnson et al.	117/93.
3716524	Feb, 1973	Cenci	260/78.

Other Refs:
Primary Examiner: Turer, Richard B.
Assistant Examiner:
Attorney: Flynn & Frishauf