ChemInform Abstract: SULFUR-CONTAINING ORGANOMETALLIC COMPOUNDS, PREPARATION AND SOME PHYSICAL PROPERTIES OF (P-TOLYLTHIOMETHYL)-TRIPHENYL-TIN AND -GERMANIUM, PH3MCH2SC6H4ME-P (M=GE, SN) AND (2-(P-TOLYLTHIO)ETHYL)TRIPHENYLTIN, PH3SNCH2CH2SC6H4ME-P

1974 ◽  
Vol 5 (52) ◽  
pp. no-no
Author(s):  
R. D. TAYLOR ◽  
J. L. WARDELL
Keyword(s):  
Physical Properties ◽  
Organometallic Compounds ◽  
Sulfur Containing

CARLSON ALLOY C601

Alloy Digest ◽  
1994 ◽  
Vol 43 (7) ◽  
Keyword(s):  
High Temperature ◽  
Physical Properties ◽  
Stress Corrosion ◽  
Tensile Properties ◽  
High Temperatures ◽  
Stress Corrosion Cracking ◽  
Heat Treating ◽  
Resistance To Stress ◽  
Extended Exposure ◽  
Sulfur Containing

Abstract Carlson Alloy C601 is characterized by high tensile, yield and creep-rupture strengths for high temperature service. The alloy is not embrittled by extended exposure to high temperatures and has excellent resistance to stress-corrosion cracking, to carburizing, nitriding and sulfur containing environments. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on forming, heat treating, machining, and joining. Filing Code: Ni-458. Producer or source: G.O. Carlson Inc.

DUCROPUR P/M Cr

Alloy Digest ◽  
1993 ◽  
Vol 42 (4) ◽  
Keyword(s):  
Corrosion Resistance ◽  
High Temperature ◽  
Physical Properties ◽  
Tensile Properties ◽  
Glass Industry ◽  
Heat Exchangers ◽  
Flue Gases ◽  
Corrosion Resistant ◽  
Temperature Performance ◽  
Sulfur Containing

Abstract DUCROPUR P/M CHROMIUM is a heat and corrosion resistant P/M chromium material designed for engineering into parts in the chemical and petro-chemical markets, as combustion systems, for use in the glass industry, and as heat exchangers for sulfur containing flue gases. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as machining. Filing Code: CR-3. Producer or source: Metallwerk Plansee.

Refractive Index of Rubber

1935 ◽  
Vol 8 (3) ◽  
pp. 421-429 ◽  
Author(s):  
Archibald T. McPherson ◽  
Arthur D. Cummings
Keyword(s):  
Refractive Index ◽  
Physical Properties ◽  
Linear Function ◽  
Exploratory Study ◽  
Grazing Incidence ◽  
Sulfur Compounds ◽  
Vulcanized Rubber ◽  
Reflected Light ◽  
Sulfur Containing ◽  
Soft Rubber

Abstract This paper presents an exploratory study of the refractive index of rubber. Previous observations on the refractive index of rubber have been, for the most part, restricted to transparent samples. In the present investigation, however, by using reflected light rather than light at grazing incidence, it was found possible to extend the range of measurements to rubber samples that were somewhat dark in color or that were very nearly opaque. Such being the case, determinations of refractive index were made not only on translucent samples of unvulcanized or soft vulcanized rubber, but also on binary mixtures of rubber and different compounding materials, and on compounds of rubber and sulfur containing 0 to 19 per cent of sulfur and covering the range from soft to semi-hard rubber. Different samples of unvulcanized Hevea rubber, of plantation origin, all showed approximately the same refractive index, irrespective of considerable variations in the nonhydrocarbon components. The index was not appreciably altered by the amount of mastication which rubber ordinarily receives in processing and mixing with compounding ingredients. Mixtures of rubber with substances insoluble in it showed the same index as the rubber itself, while mixtures with soluble substances differed in index from rubber by an amount which depended upon the index of the substance and the amount in solution. Measurements of refractive index, therefore, afford a means of measuring the solubility of substances in rubber and were employed for determinations of the solubility of sulfur and of a common antioxidant, phenyl-β-naphthylamine. Sulfur in combination with rubber had a relatively greater effect on the refractive index than did sulfur in solution. For vulcanized rubber-sulfur compounds in the soft-rubber range, the refractive index was a simple linear function of the percentage of sulfur and also of the temperature. Preliminary measurements on vulcanized compounds in the hard-rubber range indicate that the change in physical properties of rubber-sulfur compounds from soft to hard was accompanied by a decrease in the slope of the curve relating refractive index to temperature.

ChemInform Abstract: DESULFURIZATION OF SULFUR-CONTAINING ORGANOMETALLIC COMPOUNDS.

1984 ◽  
Vol 15 (34) ◽  
Author(s):  
G. A. RAZUVAEV ◽  
V. I. SHCHERBAKOV ◽  
I. K. GRIGOR'EVA
Keyword(s):  
Organometallic Compounds ◽  
Sulfur Containing

scholarly journals Synthesis and Some Physical Properties of New Organometallic Compounds Containing Si and Sn Atoms

Proceedings ◽  
2018 ◽  
Vol 9 (1) ◽  
pp. 62
Author(s):  
Terraza ◽  
Gerbino ◽  
Podestá
Keyword(s):  
Physical Properties ◽  
Exchange Reaction ◽  
Organometallic Compounds ◽  
119Sn Nmr ◽  
Diastereomeric Mixture

: This paper reports the synthesis of two new organotin hydrides containing a (phenyldimethylsilyl)methyl ligand. It was found that the reaction of (phenyldime thylsilyl) methylmagnesium bromide in ether afforded ((phenyldimethylsilyl)methyl) trimethyltin (3) (72%), and with (−)-menthyldimethyltin bromide (4) gave (((phenyl dimethylsilyl)methyl)(1R,2R,5R) -2-isopropyl-5-methylcyclohexyl)dimethyltin (5) (84%). Bromo dealkylation of 3 with bromine in MeOH led to ((phenyldimethylsilyl)methyl)dimethyltin bromide (6) (82%), which upon reduction with LiAlH4 yielded ((phenyldimethyl silyl)methyl)dimethyltin hydride (7) (95%). The best method for obtaining the corresponding bromostannylated derivative of compound 5, i.e., (((phenyldimethylsilyl) methyl)(1R,2R,5R)-2-isopropyl-5-methylcyclohexyl) methyltin bromide (8) was the exchange reaction between 4 and HgBr2 that led to 8 with 90% yield. The reduction of bromide 8 with LiAlH4 gave a diastereomeric mixture of (((phenyldimethylsilyl)methyl)(1R,2R,5R)-2-isopropyl-5- methylcyclohexyl)methyltin hydride (9). Some physical properties and 1H, 13C, and 119Sn NMR of the new organotin hydrides, as well as that of their intermediate precursors are included.

Organic Sulfides as Vulcanizing Agents of Rubber

1951 ◽  
Vol 24 (1) ◽  
pp. 211-223 ◽  
Author(s):  
R. L. Sibley
Keyword(s):  
Natural Rubber ◽  
Physical Properties ◽  
Organic Compounds ◽  
Fractional Part ◽  
Sulfur Compounds ◽  
Organic Sulfur ◽  
Rubber Compound ◽  
Organic Sulfur Compounds ◽  
Organic Sulfides ◽  
Sulfur Containing

Abstract 1. It has been demonstrated that a number of organic sulfides possess the property of breaking down under vulcanizing conditions in a rubber compound to produce a cure. 2. Although several scores of sulfur-containing organic compounds other than those discussed in this paper or described in other papers have been tested, as yet there appear possible no generalizations to serve as a guide to further exploratory studies. 3. Organic sulfur compounds which are unstable under temperature conditions higher than normal do not liberate all of their sulfur in all cases. 4. Organic sulfur compounds employed alone as vulcanizing agents usually produce slower-curing rubber stocks than does sulfur, and at the same time lessen greatly the tendency of the stock to scorch. 5. Stocks of satisfactory physical properties, superior aging characteristics, and outstanding freedom from scorchiness are obtained by the use of a fractional part of the normal sulfur requirement together with a sulfur liberator. 6. Morpholine disulfide is a good example of a sulfur liberator, and exhibits its greatest effects in conjunction with a mercaptobenzothiazole type accelerator. 7. Morpholine disulfide gives satisfactory cures when used in place of sulfur in natural rubber, GR-S rubber, and Hycar-OR, but gives slow cures in GR-I rubber.

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