C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/19 (2006.01) C08J 3/24 (2006.01) C08K 5/3445 (2006.01)
Patent
CA 2280329
Rubber and plastic accelerator formulations of the present invention are directed to formulations containing an accelerator compound comprised of an organic- based quaternary ammonium salt. Preferably, the accelerator compound of the present invention is comprised of a quaternary ammonium salt selected from the group consisting of trimethylbetahydroxyethyl ammonium hydroxide (TMBHEAH), carboxymethyltrimethyl ammonium hydroxide (CMTAH), methylallylbenzylphenol ammonium iodide, benzyltriethyl ammonium chloride, hexadecyltrimethyl ammonium chloride imidazolium compounds. As particularly preferred embodiments, the accelerator formulations are comprised of a choline based compound comprised of trimethylbetahydroxyethyl ammonium hydroxide and/or of a betaine compound comprised of carboxymethyltrimethyl ammonium hydroxide. These accelerator formulations are far more effective as they offer considerably improved physical properties with only one-half the use as compared to the rubber accelerators currently used by the rubber industry. The accelerator formulations of the present invention are non-toxic. They offer a degree of safety in use and handling that is not available with the toxic rubber accelerators currently used in the rubber industry. Moreover, the accelerators of the present invention cause no defects to the rubber and plastic products in which they are used. Such formulations are stable and can be stored for long periods without reacting or breaking down chemically. They are non-staining and non-discoloring to light-colored rubber or plastic products. They do not give off foul, pungent odors and have a bland, mild odor. In effect, the accelerators of the present invention are much more effective and provide a degree of safety and freedom from defects for rubber and plastic products and persons handling them that is not available with the rubber accelerators, primary, ultra or secondary types, currently used by the rubber industry.
Wright Susan
Yankner Paul R.
Smart & Biggar
Technical Processing Inc.
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