hexamethylene tetramine


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Related to hexamethylene tetramine: Hexamine, Hexamethylenediamine

hexamethylene tetramine

[‚hek·sə′meth·ə‚lēn ′te·trə‚mēn]
(organic chemistry)
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The appearance of this compound is believed to be a reaction product of octadecanoic acid (stearic acid) associated with metal stearate mold release agent and ammonia from hexamethylene tetramine curing agent.
Additional sources of nitrogen include sand additives and polymerization catalysts (urea, hexamethylene tetramine, triethylamine, ammonium chloride, flour and seacoal).
7 HMT (6) 1 1 1 1 (1) N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine, (2) polymerized 2,2,4-trimethyM,2-dihydroquinollne, (3) cashew oil modified phenol resin, 4) 20% oil-treated Insoluble sulfur, 5) N-tert-butyl-2-benzothiazolesulfenamide, (6) hexamethylene tetramine Table 3--winter tire formulation Formulation 1 2 3 4 Natural rubber 30 30 30 30 S-SBR 70 70 70 70 TDAE 20 10 10 10 LBR-307 -- 10 -- -- LBR-305 -- -- 10 -- LBR-300 -- -- -- 10 Carbon black (N220) 10 10 10 10 Silica 60 60 60 60 Silane coupling agent (Si-75) 4.