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Coagulated SBR or nitrile rubber latexes with low salt contents, suitable for processing in belt or bar driers, are prepd. by adding mixts. of NaCl and quaternary ammonium polymers to the latexes. Thus, an 18%-solids nitrile rubber latex contg. 0.4 phr poly(dialkyldimethylammonium chloride) (I) requires 50 parts satd. NaCl soln. for complete coagulation of 100 parts latex, compared with 150 in the absence of I. [on SciFinder (R)]
Type
patent
EPO Family ID
5517151
Inventors
Harwart, Martin
•
Rothenhaeusser, Bernd
•
Hahn, Mathias
•
Seehaus, Friedhelm
•
Jaeger, Werner
•
Dautzenberg, Horst
•
Reinisch, Gerhard
•
•
Ohme, Roland
Note
Alternative title(s) : (de) Verfahren zur koagulation von kautschuklatices
EPFL units
Patent number | Country code | Kind code | Date issued |
DD142345 | DD | A1 | 1980-06-18 |
Available on Infoscience
February 27, 2006
Use this identifier to reference this record