Document xj299kDMOvbKn2e9ErdEaRpry

FILE NAME: Chemical Abstracts (CHAB) DATE: 1943 DOC#: CHAB025 DOCUMENT DESCRIPTION: Abstract Originally Published in 1942 by Linzbach im BT' 2843 Chemical Abstracts 2844 Vol. 37 Albert G. Reynolds and John T. Yollaud (to R. Y. P. Mfg. Co.). U. S. 2,305,193, Dec. 15. Various struc tural, mech. and operative details. Reclaiming carbon dioxide used in storage tanks for fruit juices. Bergedorfer Eisenwerk Akt.-Ges. AstraWerke. Ger. 707,928, May 29, 1941 (Cl. 53*. 1.01). Decomposition of dry vegetables. Chemischcs Werk Dr. Klopfer G. m. b. H. Ger. 707,782, May 29, 1941 (Cl. 53c. 6.01). The dry vegetables are comminuted and treated with solvents for chlorophyll and carotene. To the coin, is added a neutral fat and the chlorophyll and the sarotene are distd. oil. Isolating vegetable proteins such as soybean protein. Percy L. Julian and Bernard T. Maker (to The Gliddcn Co.). U. S. 2,304,099, Dec. 8. The material, such as soybean meal, is extd. witli water, caustic alkali and lirnr arc added to the sepd. ext., and the resulting alk. liquor is centrifuged and the protein is recovered from the clarified ext. Preserving green feed. Wilhelm Klein. Ger. 708,024, June 5, 1941 (Cl. 53g. 5.01). Green matter is preserved with NajSjOj. For 100 kg. of the green matter, an aq. soln. of up to 10 g. of NajSjOj and the required quantity of acid to decomp, this salt are used. 13--CHEMICAL INDUSTRY AND MISCELLANEOUS INDUSTRIAL PRODUCTS (PLASTICS, KFiSINOIDS, INSULATORS, ADHESIVKS, KTC.) IIKRMAN A .DRUSON Mellon Institute in wartime. E. R. Weidlein. Chem. Eng. News 21, 467-78(1943); cf. C. A . 36, 2951.--The annual report is curtailed because of wartime restrictions. A table shows the industrial fellowships in operation during 1941, 465(1941); Chem. Zentr. 1942, I, 1907 --S02 in juries (frequently occurring in founding Mg alloys) al though generally of temporary nature, may lead to indis positions lasting a week or longer. R. P. E. Hopf the fiscal year March 1, 1942 to March 1, 1943 and some The occupational cancer of asbestos workers. A. J. \ discussion is given of investigations on cotton, high-temp, Linzbach and H. W. Wedler. Arch. path. Anat. ( Ftr- electrical insulation materials, plate glass, special plas- 4 chow's) 307, 387-409(1941); Chem. Zentr. 1942, I, 1513; tics for aircraft and (under the heading "Wax services cf. C. A . 33, 94881.-- Description of a severe asbestosis of of Industrial Hygiene Foundation" ) lost workdays in the lungs in a 60-ycar-old man with development of a cor- essential manufacturers, plant-hygiene surveys and toxi nifying squamous-celled epithelioma in the right inferior ! cology, Mg-dust hazards, industrial exhaust ventilation lobe. Asbestos injury was considered to be the cause of the j and A1 powder in the treatment of silicosis as well as (from cancer. The disease is, therefore, in agreement with the Institute's Department of Research in Pure Chemis Nordmann ( C. A . 36, 2006*), to be considered an occupa try) synthetic antimalarials, modified cinchona alkaloids, tional cancer. Mech. tissue injury and chem. effects congeneric synthetics and drug standardization. (hornblende and serpentine asbestos) are involved as in E. J. C. 5 jurious factors of the asbestos. Ruth Berggren Chemical industry advances in Brazil. Charles F. Advances in plastics during 1942. G. M. Kline. India Bonilla. Chem. &*Met. Eng. 50, No. 3, 96-9(1943). Rubber World 107, 573-5; Mech. Eng. 65, 245-7, 2611 E. H. (1943); cf. C. A. 37, 1205'.--A review, with 110 refer Chemical warfare and the mission of the veterinary. ences. C. C. Davis R. G. Espinet. Rev. med. vet. 22, 437(1940); Ancles The influence of temperature on the strength of plas asoc. quim. argentine 30, 31B(1942).--Present knowledge tics. II. Impact strength at high and low temperatures. of the action of chem. agents, their classification, and a de R. Nitschc and E. Salewski. Kunststaffe 31, 381-8 scription of the most important are given. Symptoma- t. (1941); Chem. Zentr. 1942, 1, 935; cf. C. A. 34, 81041.-- tology, lesions and treatment of animals which have suf Strength tests were performed on 26 plastics in the temp, fered from the effects of chem. agents, particularly horses range --70 to +200. Test specimens 10 X 15 X 120 and dogs, are given. E. M. Symmes mm. were used. The specimen was previously brought to Protection of civilians from vesicant agents. T. F. the desired temp, then placed in position in the pendulum- Bradley, J. T. Cassaday, T. G. Moore and Wm. C. type testing app. and sprayed with liquid of the same Moore. Chem. Eng. News 21, 373-5(1943).--A descrip temp. The liquid stream was interrupted only for the tion is given of the mobile war gas casualty station de actual test. The influence of temp, on strength is most veloped by the Stamford, Conn, civilian defense group. r marked in the cellulose derivs. In unlaminated moldings The decontamination truck, carrying the hot-water show- 1 the strength-temp, curve depends largely on the nature of ers, was constructed for approx. $600. A list of auxiliary the filler. Laminated moldings show a steady increase in equipment and an operation schedule are given. Use of strength up to about +80, above which it starts to di mobile units of this type avoids vesicant contamination of minish. Among the thermoplastics polyvinyl chloride and regular transportation and first-aid facilities. Four "Copolymer M P" show a marked temp, effect above 0. references. Richard G. Rowe It is proposed to use 20 =*= 1 as a test temp, for cellulose Sorption of acetylene. E. V. Alekseevski! and O. M. acetate Type A, benzyl cellulose, vulcanized fiber and Kuznetsova-Kharina. J . Gen. Chem. (U. S. S. R.) 12, Cl-contg. vinyl polymerizates; 20 =*=2 for other plas- 296-304(in English, 304-5) (1942).--The suitability of a i tics. There is no obvious relationship between the impact variety of commercial carbons, charcoals, silica gel and strength-temp, curve and the impression hardness-temp, Fe(OH)i gel and a variety of carbons treated with numer curve. Anthony M. Schwartz ous inorg. salts, as packing for gas-masks or respirators Investigation of the mechanical behavior of synthetic for protection against acetylene; all of these materials resins at low temperatures and its dependence upon prepa were found to be totally unsuitable. The sorption iso ration and pretreatment. W. Rohrs and K. H. Hauck. therms were detd. for acetylene on ethyl heptadecyl ke Kunststoff-Tech. u. Kunststoff-Anwcnd. 11, 213-28(1941); tone, cellulose, acetylcellulose, acctylstearoylccllulosc, Chem. Zentr. 1942, I, 543-4.--Investigation of the nitrocellulose and nitroacetylccllulose. Only cellulose modulus of elasticity (I), and the elastic limit (II) of and acetylstearoylcellulose were found to have appreciably `> hardenable and nonhardenable synthetic resins in relation large sorption of CiHj. G. M. Kosolapoff to temp, in the realm of low temps. (+20 to --70). The poisons in chemical industry. Victor Andriska. From compression measurements with a definite compres Kern. Lapja 2, No. 10, 2-3, No. 11, 1-4(1941); Chem. sion velocity, I and II were detd. in relation to temp. Ex entr. 1942, I, 1400.--A review on the various poisonous pansion measurements and polystyrene viscosity measure substances, their manner of entering the organism, ac ments also served to complete the investigation. For tion, the individual reaction, treatment and prophylaxis. phenol-formaldehyde cast resins and molding compds. as A. E. Meyer well as urea-formaldehyde molding material, the influence Sulfur dioxide iniuries. Symanski. Arbeiisschult. of the degree of hardening upon the mech. properties was