Accelerator free latex formulations, methods of making same...

Details Accelerator free latex formulations, methods of making same... Accelerator free latex formulations, methods of making same...

2006-02-28

2006-02-28

Nutter, Nathan M. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S193000, C525S194000, C525S196000

Reexamination Certificate

active

07005478

ABSTRACT:
The present invention is directed to methods of making natural or synthetic latex articles without the use of accelerators, thiurams or carbamates. The method includes making an elastomeric material by mixing a base polymer containing carboxylate groups with a carboxylic acid or derivative thereof, a divalent or trivalent metal, an amine or amino compound, and a neutralizing agent. The elastomeric material is formed into a latex article. The present invention is also directed to a latex article made according to this method. The latex article does not contain any accelerators, thiurams or carbamates.

REFERENCES:
patent: 4888367 (1989-12-01), Quigley et al.
patent: 5387635 (1995-02-01), Rowland et al.
patent: 5591803 (1997-01-01), Sullivan et al.
patent: 6706816 (2004-03-01), Williams et al.

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