Method for production of polychloroprene latex in...

Details Method for production of polychloroprene latex in... Method for production of polychloroprene latex in...

2004-05-21

2009-02-10

Egwim, Kelechi C (Department: 1796)

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...

C524S458000, C524S459000, C524S501000, C524S503000, C524S520000, C524S552000, C526S201000, C526S202000

Reexamination Certificate

active

07488770

ABSTRACT:
A polychloroprene latex is provided with excellent adhesive strength, particularly for an EVA material, by dissolving an ethylene/vinyl acetate copolymer in a chloroprene monomer alone or in a mixture of a chloroprene monomer and a monomer copolymerizable with chloroprene to prepare a monomer solution, which is emulsified and dispersed in an aqueous solution containing an emulsifier and/or a dispersant, followed by polymerization to produce a polychloroprene latex. The obtained polychloroprene latex can provide improved adhesive strength particularly for an EVA material.

REFERENCES:
patent: 2005/0182173 (2005-08-01), Yashima et al.
patent: 2000-302809 (2000-10-01), None
patent: 2000-303043 (2000-10-01), None
patent: 2001-19805 (2001-01-01), None
patent: 2003-73635 (2003-03-01), None
patent: 2003-313368 (2003-11-01), None
patent: 2004-189964 (2004-07-01), None
patent: WO 03/089511 (2003-10-01), None
JIS K6854-3, pp. 140-143. Jan. 31, 2003.

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