Alkaline earth oxides and hydroxides to reduce nitrosamine forma

Details Alkaline earth oxides and hydroxides to reduce nitrosamine forma Alkaline earth oxides and hydroxides to reduce nitrosamine forma

1990-09-19

1991-12-03

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524201, 524433, C08K 322, C08K 539, C08K 544

Patent

active

050701304

ABSTRACT:
Cured rubber compositions having reduced nitrosamine content are made with small amounts by weight of an alkaline earth oxide or hydroxide which are utilized in association with secondary amine containing accelerators. The amount of nitrosamine in the cured rubber is often reduced to less than 20 parts per billion.

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