An object of the present invention is to provide a chemical liquid purification method which makes it possible to obtain a chemical liquid having excellent defect inhibition performance. Another object of the present invention is to provide a chemical liquid. The chemical liquid purification method according to an embodiment of the present invention is a chemical liquid purification method including obtaining a chemical liquid by purifying a substance to be purified containing an organic solvent, in which a content of the stabilizer in the substance to be purified with respect to the total mass of the substance to be purified is equal to or greater than 0.1 mass ppm and less than 100 mass ppm.

The present invention relates to the technical field of chemical engineering and catalysis. Provided are an application of an ionic liquid in propylene glycol ether synthesis and a method for synthesizing a propylene glycol ether. The ionic liquid is a methyl carbonate ionic liquid, and is used as a catalyst for catalyzing propylene glycol ether synthesis. The method for synthesizing the propylene glycol ether comprises the following steps: placing propylene oxide and an alcohol within a reactor to contact a catalyst, and heating the mixture in an enclosed environment to 50-200 C. to obtain the propylene glycol ether, wherein the catalyst is a methyl carbonate ionic liquid. The method for synthesizing propylene glycol ether provided in the present invention is a green synthesis technique, and does not require special production equipment. The method has simple and easily controllable processes, and can be used in industrial production and applications.

The present invention relates to the technical field of chemical engineering and catalysis. Provided are an application of an ionic liquid in propylene glycol ether synthesis and a method for synthesizing a propylene glycol ether. The ionic liquid is a methyl carbonate ionic liquid, and is used as a catalyst for catalyzing propylene glycol ether synthesis. The method for synthesizing the propylene glycol ether comprises the following steps: placing propylene oxide and an alcohol within a reactor to contact a catalyst, and heating the mixture in an enclosed environment to 50-200 C. to obtain the propylene glycol ether, wherein the catalyst is a methyl carbonate ionic liquid. The method for synthesizing propylene glycol ether provided in the present invention is a green synthesis technique, and does not require special production equipment. The method has simple and easily controllable processes, and can be used in industrial production and applications.

The present invention relates to the technical field of chemical engineering and catalysis. Provided are an application of an ionic liquid in propylene glycol ether synthesis and a method for synthesizing a propylene glycol ether. The ionic liquid is a methyl carbonate ionic liquid, and is used as a catalyst for catalyzing propylene glycol ether synthesis. The method for synthesizing the propylene glycol ether comprises the following steps: placing propylene oxide and an alcohol within a reactor to contact a catalyst, and heating the mixture in an enclosed environment to 50-200 C. to obtain the propylene glycol ether, wherein the catalyst is a methyl carbonate ionic liquid. The method for synthesizing propylene glycol ether provided in the present invention is a green synthesis technique, and does not require special production equipment. The method has simple and easily controllable processes, and can be used in industrial production and applications.

The invention relates to an integrated process for the production of fuel components starting from materials of a biological origin which comprises: (A) transformation of glycerine into an alkoxy-propanediol having formula ROCH.sub.2CHOHCH.sub.2OH, wherein R is a linear or branched C.sub.1-C.sub.8 alkyl, (B) transformation of glycerine into 1,2-propanediol CH.sub.3CHOHCH.sub.2OH, (C) dehydration of the 1,2-propanediol obtained in (B) to propionic aldehyde, (D) reaction of part of the propionic aldehyde obtained in (C) with the alkoxy-propanediol having formula ROCH.sub.2CHOHCH.sub.2OH obtained in (A) to give an acetal having formula (a) wherein R is a linear or branched C.sub.1-C.sub.8 alkyl, (E) transformation of part of the propionic aldehyde obtained in (C) to a propionate having formula CH.sub.3CH.sub.2COOR, wherein R is a linear or branched C.sub.1-C.sub.8 alkyl. Particular components for gasolines and/or diesel are also described.

The invention relates to an integrated process for the production of fuel components starting from materials of a biological origin which comprises: (A) transformation of glycerine into an alkoxy-propanediol having formula ROCH.sub.2CHOHCH.sub.2OH, wherein R is a linear or branched C.sub.1-C.sub.8 alkyl, (B) transformation of glycerine into 1,2-propanediol CH.sub.3CHOHCH.sub.2OH, (C) dehydration of the 1,2-propanediol obtained in (B) to propionic aldehyde, (D) reaction of part of the propionic aldehyde obtained in (C) with the alkoxy-propanediol having formula ROCH.sub.2CHOHCH.sub.2OH obtained in (A) to give an acetal having formula (a) wherein R is a linear or branched C.sub.1-C.sub.8 alkyl, (E) transformation of part of the propionic aldehyde obtained in (C) to a propionate having formula CH.sub.3CH.sub.2COOR, wherein R is a linear or branched C.sub.1-C.sub.8 alkyl. Particular components for gasolines and/or diesel are also described.

A (meth)acrylic monomer is represented by general formula (1) (wherein R.sup.1 represents a hydrogen atom or a methyl group; R.sup.2 to R.sup.4 independently represent CH.sub.3 or CH.sub.2OR.sup.5, wherein at least one of R.sup.2 to R.sup.4 represents CH.sub.2OR; R.sup.5 represents an alkyl group having 1 to 4 carbon atoms; and Z represents multiple atoms necessary for the formation of an alicyclic hydrocarbon group having 3 to 10 carbon atoms in conjunction with a carbon atom). The (meth)acrylic monomer has a property of high acid degradability and can be removed by the action of an acid.

A (meth)acrylic monomer is represented by general formula (1) (wherein R.sup.1 represents a hydrogen atom or a methyl group; R.sup.2 to R.sup.4 independently represent CH.sub.3 or CH.sub.2OR.sup.5, wherein at least one of R.sup.2 to R.sup.4 represents CH.sub.2OR; R.sup.5 represents an alkyl group having 1 to 4 carbon atoms; and Z represents multiple atoms necessary for the formation of an alicyclic hydrocarbon group having 3 to 10 carbon atoms in conjunction with a carbon atom). The (meth)acrylic monomer has a property of high acid degradability and can be removed by the action of an acid.

Provided herein is a lubricant including a compound of Formula I
L-(CF.sub.2CF.sub.2O).sub.nCF.sub.2CH.sub.2ONOCH.sub.2CF.sub.2O(CF.sub.2CF.sub.2O).sub.m-M(Formula I) wherein L is selected from the group consisting of ##STR00001## M is selected from the group consisting of ##STR00002## wherein each instance of R.sup.1, R.sup.2, and R.sup.3 is independently selected from the group consisting of hydroxyl, alkoxyl, carbocycyl, phenyl, heterocycyl, piperonyl, carboxyl, alkylamido, acetamido, carbamoyl, N-alkylcarbamoyl, N,N-dialkylcarbamoyl, 2,3-dihydroxy-1-propoxyl, acryloyl, alkacryloyl, methacryloyl, a sustituent of methyl methacrylate, and a substituent of glycidyl ether; and wherein n1, m1, and n and m are the same or different.

A method of producing one or more glycerol ethers, the method comprising contacting glycerol and tertiary butanol (TBA) in the presence of an acidic catalyst to produce one or more glycerol ethers selected from mono-tert butyl glycerol ethers, di-tert butyl glycerol ethers, tri-tert butyl glycerol ethers, or a combination thereof; separating water and a stream comprising isobutylene, unreacted TBA, or a combination thereof from the one or more glycerol ethers; and recycling at least a portion of the stream comprising isobutylene, unreacted TBA, or a combination thereof to the contacting. Also disclosed is a process of co-producing isooctene, wherein the process involves contacting glycerol and tertiary butanol in the presence of a dehydrating catalyst and dimerizing/oligomerizing the dehydrated products in the presence of an oligomerizing catalyst to form isooctene, a precursor of isooctane and isomers thereof.