Abstract:
S u r f a c t a n t s which f i n d a p p l i c a t i o n s i n l o c a l NR l a t e x i n d u s t r y are
c h i e f l y imported c h e m i c a l s . With a view t o r e p l a c e some of these
c h e m i c a l s w i t h l o c a l l y p r o d u c i b l e m a t e r i a l s , i n t h i s s t u d y , c a s t o r o il
e x t r a c t e d in t h i s country was converted c h e m i c a l l y i n t o i ts
d e r i v a t i v e s - c a s t o r soap ( p o t a s s i um r i c i n o l e a f e e ) and s u l p h a t e d c a s t or
o i l . The e f f e c t s o f a d d i t i o n o f each d e r i v a t i v e on t h e s t a b i l i t y and
f o a m i n g b e h a v i o u r of NR l a t e x and on e m u l s i f i c a t i o n of a l i q u id
s o f t e n e r ( p a r a f f i n o i l ) were i n v e s t i g a t e d . F u r t h e r , t h e d e r i v a t i v e,
s u l p h a t e d c a s t o r o i l was a l s o t e s t e d for i t s s u i t a b i l i t y as a
d i s p e r s i n g agent in the p r e p a r a t i o n of an a c c e l e r a t o r (ZMBT)
d i s p e r s i o n .
To assess the performances of these d e r i v a t i v e s in the above
d e t e r m i n a t i o n s , p a r a l l e l t e s t s were a l s o c a r r i e d out u s i n g potassium
o l e a t e in the f i r s t two t e s t s and D i s p e r s o l LN (sodium s a l t of
n a p h t h a l e n e f o r m a l d e h y d e s u l p h o n a t e ) i n t h e t h i r d t e s t.
