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4623678 |
In accordance with the present invention, solids are recovered from a latex stabilized with a pH sensitive emulsifier by passing carbon dioxide through the latex to lower the pH and thereby destabilize the latex and then subjecting the l...
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4080352 |
A process for continuously coagulating a polymeric latex and consolidating as a paste coagulum in an apparatus comprising a barrel containing first and second feed ports, a rotor having opposed rows of angled tab blades and opposed wiper...
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4064093 |
There is disclosed a process for preparing a latex comprising grafted rubber particles for ABS polyblends that is free of coagulum, the steps comprising, preparing said latex and passing it through a porous filter bed means comprising ag...
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3719572 |
The preparation of aqueous latices from solvent dispersions of elastomers and other high polymer compositions has presented problems including excessive viscosity during processing and foaming and coagulation, which have produced losses ...
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3673133 |
This invention relates to an internally reinforced synthetic butadiene rubber latex containing a rubber reinforcing substance.
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3608611 |
Method and apparatus for concentrating an organic solvent solution or slurry of rubbery or thermoplastic polymers, and for recovering such polymers wherein the solution or slurry is fed to a column filled with heated water, the solvent i...
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