摘要:
Fluorinated-alkyl sulfides represented by [R.sub.f (CH.sub.2).sub.n S].sub.z Q where R.sub.f is fluoroalkyl, n is 2 or 3, z is 1 or 2, and Q is an aryl, alkylaryl, alkyl heterocyclic or heterocyclic radical, are useful as surfactants or as intermediates for the preparation of salt-type, quaternary-salt, or amphoteric surfactants.
摘要:
Fluorinated aliphatic sulfides, represented by R.sub.f (CH.sub.2).sub.n S(CH.sub.2).sub.m Q wherein R.sub.f is fluoroalkyl, n is 2 or 3, m is an integer from 2 to 4, Q is --N(R).sub.2 or --N.sup..sym. (R).sub.2 CH.sub.2 COOH X.sup..crclbar. where X is Cl or Br, and R is an alkyl group of 1 to 4 carbon atoms, are particularly effective amphoteric surface-tension depressants or intermediates therefor.
摘要:
The reaction products of the alpha-halogenated half esters or amides of succinic acid and thiadiazole dimercaptides as new compositions of matter and their use as lubricant additives possessing multifunctional properties such as extreme pressure, antiwear, antioxidant and anticorrosion.
摘要:
The reaction products of the alpha-halogenated half esters or amides of succinic acid and thiadiazole dimercaptides as new compositions of matter and their use as lubricant additives possessing multifunctional properties such as extreme pressure, antiwear, antioxidant and anticorrosion.
摘要:
Method of preparing an oil soluble lubricant additive composition which includes forming a stable reaction product of a polymer of 3,5-dimercapto-1,2,4-thiadiazole, a polyalkylene succinimide, a fatty acid, and a mercaptan of 8 to 15 carbon atoms.
摘要:
Fluorinated-alkyl sulfides represented by [R.sub.f (CH.sub.2).sub.n S].sub.z Q where R.sub.f is fluoroalkyl, n is 2 or 3, z is 1 or 2, and Q is an aryl, alkylaryl, alkyl heterocyclic or heterocyclic radical, are useful as surfactants or as intermediates for the preparation of salt-type, quaternary-salt, or amphoteric surfactants.This application is a division of co-pending application Ser. No. 61,567 filed July 30, 1979, now U.S. Pat. No. 4,254,266, which is a division of Ser. No. 587,794 filed June 17, 1975, now U.S. Pat. No. 4,177,351 issued Dec. 4, 1979, which is a division of Ser. No. 396,649 filed Sept. 12, 1973, now U.S. Pat. No. 3,933,819 issued Jan. 20, 1976, which is a continuation-in-part of Ser. No. 171,325 filed Aug. 21, 1971, now abandoned.
摘要:
Flourinated-alkyl sulfides represented by [R.sub.f (CH.sub.2).sub.n S].sub.z Q where R.sub.f is fluoroalkyl, n is 2 or 3, z is 1 or 2, and Q is an aryl, alkylaryl, alkyl heterocyclic or heterocyclic radical, are useful as surfactants or as intermediates for the preparation of salt-type, quaternary-salt, or amphoteric surfactants.
摘要翻译:由[Rf(CH 2)n S] z Q表示的氟化烷基硫化物,其中Rf为氟烷基,n为2或3,z为1或2,Q为芳基,烷基芳基,烷基杂环或杂环基,可用作表面活性剂或 作为制备盐型,季盐或两性表面活性剂的中间体。
摘要:
A simple, effective and inexpensive method for cleansing dental appliances comprises the immersion of the artificial denture in a dilute aqueous solution of a carboxylic acid having the structure R(Z)COOH, where "R" is a hydrocarbon chain and "Z" is a hydroxy, a halo or aryl radical.