Described herein is a non-aqueous composition including (a) an organic solvent, and (b) at least one additive of formulae I,

##STR00001##

where R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently selected from C.sub.1 to C.sub.10 alkyl, C.sub.1 to C.sub.11 alkylcarbonyl, C.sub.6 to C.sub.12 aryl, C.sub.7 to C.sub.14 alkylaryl, and C.sub.7 to C.sub.14 arylalkyl; and n is 0 or 1.

The magnetic recording medium includes: a non-magnetic support; and a magnetic layer including ferromagnetic powder, in which a difference S.sub.after−S.sub.before between a spacing S.sub.after measured on a surface of the magnetic layer by optical interferometry after ethanol cleaning and a spacing S.sub.before measured on the surface of the magnetic layer by optical interferometry before ethanol cleaning is more than 0 nm and 6.0 nm or less, and the non-magnetic support is an aromatic polyester support having a moisture absorption of 0.3% or less.

Described herein is a non-aqueous composition including (a) an organic protic solvent, (b) ammonia, and (c) at least one additive of formulae I or II

##STR00001## where R.sup.1 is H R.sup.2 is selected from H, C.sub.1 to C.sub.10 alkyl, C.sub.1 to C.sub.10 alkoxy, C.sub.6 to C.sub.10 aryl, and C.sub.6 to C.sub.10 aroxy, R.sup.3 is selected from R.sup.2, R.sup.4 is selected from C.sub.1 to C.sub.10 alkyl, C.sub.1 to C.sub.10 alkoxy, C.sub.6 to C.sub.10 aryl, and C.sub.6 to C.sub.10 aroxy, R.sup.10, R.sup.12 are independently selected from C.sub.1 to C.sub.10 alkyl and C.sub.1 to C.sub.10 alkoxy, m is 1, 2 or 3, and n is 0 or an integer from 1 to 100.

Described herein is a non-aqueous composition including (a) an organic solvent; and (b) at least one additive of formulae I or II where R.sup.1 is H R.sup.2 is selected from the group consisting of H, C.sub.1 to C.sub.10 alkyl, C.sub.1 to C.sub.10 alkoxy, C.sub.6 to C.sub.10 aryl, and C.sub.6 to C.sub.10 aroxy, R.sup.3 is selected from the group consisting of R.sup.2, R.sup.4 is selected from the group consisting of C.sub.1 to C.sub.10 alkyl, C.sub.1 to C.sub.10 alkoxy, C.sub.6 to C.sub.10 aryl, and C.sub.6 to C.sub.10 aroxy, R.sup.10, R.sup.12 are independently selected from the group consisting of C.sub.1 to C.sub.19 alkyl and C.sub.1 to C.sub.10 alkoxy, m is 1, 2 or 3, and n is 0 or an integer from 1 to 100.

The invention relates to a fluid comprising or consisting of glycerol and potassium acetate in a weight ratio interval of 3:2 to 1:6 with a water content of 55-80 w %, wherein the combined weight of glycerol and potassium acetate constitutes 20-45 w %, up to a maximum or total of 100 w %. The inventive fluid is useful as a heat transfer fluid, a deicing fluid or a windscreen washing fluid. A method for producing the inventive fluid is also provided.

The present disclosure provides minimum-boiling, homogeneous azeotropic and azeotrope-like compositions of 1,2,2-trifluoro-1-trifluoromethylcyclobutane (“TFMCB”) with each of ethanol, n-pentane, cyclopentane, trans-1,2-dichloroethylene, and perfluoro(2-methyl-3-pentanone).

The invention relates to a non-corrosive process for cleaning a recyclable material comprising the following steps: (a) providing a contaminated recyclable material; (b) treating the contaminated recyclable material at a temperature in the range of from 45-30° C. with a solution that contains one or more polyols to remove contaminants from the contaminated recyclable material, wherein the one or more polyols is (are) present in an amount of at least 15 wt. %, based on the total weight of the solution, thereby forming a liquid 10 mixture which comprises one or more polyols, contaminants removed from the recyclable material, and treated recyclable material; (c) separating at a temperature in the range 10-55° C. at least part of the recyclable material as obtained in step (b) from the liquid mixture as obtained in step (b); (d) allowing at least part of the remaining liquid mixture as obtained in step (c) to phase-1 separate into a polyol phase and a phase which contains contaminants removed from the contaminated recyclable material; (e) recovering the polyol phase as obtained in step (d); (f) recovering the phase which contains contaminants removed from the recyclable material as obtained in step (d); and 20 (g) recovering the separated recyclable material as obtained in step (c).

A method of cleaning highway and road construction equipment is disclosed.

This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one first chelating agent, the first chelating agent being a polyaminopolycarboxylic acid; 3) at least one metal corrosion inhibitor, the metal corrosion inhibitor being a substituted or unsubstituted benzotriazole; 4) at least one pH adjusting agent, the pH adjusting agent being a base free of a metal ion; and 5) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.

A cleaning agent composition for use in removal of a polysiloxane adhesive remaining on a substrate, the composition containing a tetrahydrocarbylammonium fluoride and an organic solvent, wherein the organic solvent contains an alkylene glycol dialkyl ether and a lactam compound represented by formula (1).

##STR00001##

(in formula (1), R.sup.101 represents a C1 to C6 alkyl group, and R.sup.102 represents a C1 to C6 alkylene group.)