CHLOROPRENE RUBBER LATEX 2-PACK TYPE ADHESIVE COMPOSITION AND BONDING THEREOF

PROBLEM TO BE SOLVED: To obtain the subject composition excellent in adhesive physical properties, such as normal and high temperature adhesive force, particularly, initial adhesive strength, by comprising a main agent containing chloroprene rubber latex as the main component, and a specific solidif...

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Bibliographic Details
Main Authors YAMAMOTO NORIMASA, KARASUDA TOSHINORI, WAKAYAMA HISAMASA
Format Patent
LanguageEnglish
Published 20.10.1998
Edition6
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
USE OF MATERIALS AS ADHESIVES
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Summary:PROBLEM TO BE SOLVED: To obtain the subject composition excellent in adhesive physical properties, such as normal and high temperature adhesive force, particularly, initial adhesive strength, by comprising a main agent containing chloroprene rubber latex as the main component, and a specific solidifying agent. SOLUTION: This 2-pack type composition comprises (A) a main agent consisting of (i) chloroprene rubber latex as the main component, and as necessary, (ii) a tackifying resin and/or a metallic oxide(s), and (B) a solidifying agent consisting of (iii) 1-50 pts.wt., of a water-soluble metallic salt per 100 pts.wt. of the rubber in the component A (in terms of pure rubber content) and (iv) an aqueous solution containing a cationic surfactant in the weight ratio: the component (iii)/the component (iv) of (10:1)-(1:10). As the component (i), a copolymer, obtained from chloroprene monomer and carboxyl group- containing vinyl monomer by using an emulsifier/dispersant affording latex- stability (e.g. water-soluble salt of alkyl diphenyl ether disulfonic acid), is preferably used.
Bibliography:Application Number: JP19970090543