ATI Text AC New CHEMICALS
DIVISION
ATLAS P O W D E R C O M P A N Y , WiLftUNGTON 9 9 , DELAWARE ATLAS P O W D E R C O M P A N Y . C A N A D A . LTD.. B R A N T F O R D
CANADA
ATLAC 3 8 2 . . . a different polyester that resists many corrosive chemicals RESISTANCE TO ALKALIES
*
4.0
SE ο
Stand ara Pair·»··
P-o^*1
1 CHEJttlCALRE.ilSTANCE OF POLYESTE R I AMI NATES IN H,P0 4 β 25° C
W> ζ3
AIIÀ£ POLYESTER IAMINATI
EXPOSURE TIME—DAYS
EXPOSURE T I M E - D A Y S
If you're planning t h e production of reinforced plastic p r o d u c t s t h a t will be used in t h e presence of corrosive agents, take a look at t h e u n u s u a l properties y o u get w i t h A t l a c 3 8 2 . T h i s i s a different kind of polyester. I t is b a s e d on b i s phenol, a n d offers c h e m i c a l qualities superior t o standard p o l y e s t e r s . S h o w n here are t w o e x a m p l e s of t h e excellent chemical r e s i s t a n c e e x h i b i t e d by laminates made w i t h Atlac 382. In a dilute alkaline s o l u t i o n ( 1 0 % N a O H ) , standard polyester l a m i n a t e s deteriorate rapidly . . . passing t h e acceptable p o i n t of increase in w e i g h t in a b o u t fifteen days. A t l a c l a m i n a t e s , h o w e v e r , retain their stability far u e y o n d this period. E v e n in h o t alkali s o l u t i o n s , t h e y l a s t a l m o s t fifteen t i m e s as long as ordinary laminates.
Water-blocked
Resistance t o m a n y acids is superior, t o o . Phosphoric acid rapidly deteriorates s t a n d a r d polyester l a m i n a t e s . . . b u t causes n o appreciable w e i g h t c h a n g e in Atlac l a m i n a t e s . In prepreg compounds* A t l a c 3 8 2 gives y o u flexibility i n y o u r formulas. Y o u can control the t a c k of t h e finished product, a n d u s e any of a v a r i e t y of cross-linking m o n o m e r s t o gain desired effects. Excell e n t mechanical and electrical properties are obtained. We'll b e glad t o send y o u d a t a o n extens i v e laboratory t e s t s m a d e o n A t l a c 3 8 2 in various corrosive a g e n t s . W r i t e t o A t l a s t o d a y for samples for y o u r o w n experimental work, a n d for assistance b y our staff on y o u r o w n specific formulat i o n problems.
oil wells
well, the water barrier is broken and normal flow is resumed.
restored by ATPET®93 J
The average treatment costs only a few hundred dollars, and is repaid by increased production in only a few days. The exceptional effectiveness of the Atpet treatment is verified by scores of applications. The technique is valuable in completing wells that are subject to water damage, and as an assistant in fracturing and acidizing jobs.
A low-cost product to restore production of oil wells that have been blocked by water infiltration is bringing new economy to many oil producers. It's called Atpet 931 . . . a highly effective interfacial tension depressant made by Atlas. By pumping crude oil containing about 1% of this material into the VOLUME
3 3.
NO.
28
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·
·
·
For a booklet outlining technical characteristics and methods of use, write to Atlas today.
JULY
II,
1955
emulsions
of paraffin
wax
made ATLAS
RESISTANCE TO ACIDS [5.0
Stable
readily
with
surfactants
E m u l s i o n s of paraffin wax i n water are w i d e l y used in industry for m a n y t y p e s of w a x c o a t i n g and waterproofing. T h i s typical c o m m o n emulsion problem of dispersing w a x in w a t e r is easily solved b y m e a n s of t h e well-known A t l a s cmulsifiers, Span® 4 0 (sorbitan monopalmit a t e ) and Tween® 4 0 (polyoxyethylene sorbitan m o n o p a l m i t a t e ) . W h e n exceptionally good stability t o hard water and agitation are required, a small a m o u n t of stearic acid and A t l a s G-750 (solution of sodium sorbitol borate) m a y be added, as s h o w n in t h e following formula :
: - ;
