THE C H E M I C A L W O R L D THIS WEEK productivity. Sir Oliver Franks charge* the c h e m i c a l industry, t o g e t h e r w i t h t h electrical a n d automotive and aircraft in dustries, with p r i m a r y responsibility for continued rise i n productivity a n d stand ard of living. T h e former diplomat also looks to th chemical industry, with its combination c business m a n , scientist, a n d engineer, t find "a great n e w invention to give a fur ther lift to productivity" during t h e ne> d e c a d e s . This n e w invention will b e re lated t o peaceful applications of atomi energy, explains Sir Oliver. " L e t none of u s think t h a t progress, pre ductivity, the rise i n o u r real income i assured. It is n o t . T h e r e has b e e n a Ion lag a n d delay. I think it depends in ou age n o t on our wealth of r a w material and n o t on our physical resources; it dc pends o n our wits and o n our g u t s , " Si Oliver c o n c l u d e d . Sir Oliver F r a n k s (left) chats with chairman C . G. H a y m a n at annual ABCM d i n n e r
Crosslinking I m p o r t a n t in H C T i o n ο τ vàriVÔJiai w i i w G n € S € i € n
C&EN REPORTS: Association of British C h e m i c a l
Manufacturers
More Foreign Competition Won't Deter British Chemical Expansion exports seerr, to have had a salutary ef fect and injected more realism into British trading operations i\*%.**w*?± SVC tr* r* pressed as mean b r e a k i n g length. Tensil s t r e n g t h a n d shrinkage t e m p e r a t u r e w e i found to increase a n d t h e n level off at m a x i m u m as t h e a m o u n t of glyoxal give increases. S e c o n d phase, consisting of stress-strai measurements, of t h e r m a l shrunken colls gen fibers, showed a drastic decrease i molecular weight a n d t h e n a leveling o at a m i n i m u m as t h e a m o u n t of o'lvoxs increases. In addition, t h e reaction wit glyoxal increased t h e modulus of elasticit of t h e shrunken collagen. A b o u t half of t h e cationic protein group of collagen are irreversibly inactivated b the fixed anion of high molecular w e i g l lignosulfonic acid, according t o A. Larrso and K . H . Gustavson, Garverinaringec Forskningsinstitut, Stockholm. Results c the s a m e order of m a g n i t u d e w e r e o t tained b y t w o i n d e p e n d e n t m e t h o d s : meas u r e m e n t of difference in heat of reactio of collagen with t h e acids and hydrochlori acid. T h e second m e t h o d used investigs tion of t h e reaction of lignosulfonic aci with m e t h y l a t e d collagen containing 9 5 9 of its carboxyl groups esterified, a n d pre t e i n - b o u n d hydrochloric acid. T h e study t h u s proves t h e governin i m p o r t a n c e of t h e d e g r e e of affinity of t h polyvalent anion for d i e cationic group of collagen, c o m b i n i n g irreversibly w i t the s a m e , for reactions of this t y p e , th a u t h o r s concluded. A N D
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