A process includes forming a bio-derived crosslinking material from biorenewable aconitic acid. The process includes initiating a chemical reaction to form a bio-derived crosslinking material that includes multiple functional groups. The chemical reaction includes converting each carboxylic acid group of a biorenewable aconitic acid molecule to one of the multiple functional groups.

A process includes forming a bio-derived crosslinking material from biorenewable aconitic acid. The process includes initiating a chemical reaction to form a bio-derived crosslinking material that includes multiple functional groups. The chemical reaction includes converting each carboxylic acid group of a biorenewable aconitic acid molecule to one of the multiple functional groups.

Provided is an enzymatic process for the preparation of a mercaptan of formula RSH from disulfides utilizing hydrogen.

Provided is an enzymatic process for the preparation of a mercaptan of formula RSH from disulfides utilizing hydrogen.

The invention relates to a catalyst comprising an active component based on molybdenum and on potassium and a support based on hydroxyapatite, and also to a process for preparing said catalyst and a process for producing methyl mercaptan in a catalytic process by reaction of carbon monoxide, sulphur and/or hydrogen sulphide and hydrogen, comprising the use of said catalyst.

The invention relates to a catalyst comprising an active component based on molybdenum and on potassium and a support based on hydroxyapatite, and also to a process for preparing said catalyst and a process for producing methyl mercaptan in a catalytic process by reaction of carbon monoxide, sulphur and/or hydrogen sulphide and hydrogen, comprising the use of said catalyst.

The invention relates to a catalyst comprising an active component based on molybdenum and on potassium and a support based on hydroxyapatite, and also to a process for preparing said catalyst and a process for producing methyl mercaptan in a catalytic process by reaction of carbon monoxide, sulphur and/or hydrogen sulphide and hydrogen, comprising the use of said catalyst.

The present invention provides a Molybdenum or Tungsten chalcogenide nanoobject having: (a) an object size comprised from 0.1 to 500 nm, and (b) from 1 to 99% by weight of molecules of formula (I) with respect to the total weight of the nanoobject, wherein: A is OH; X is selected from: (C.sub.1-C.sub.20)alkyl optionally substituted with one or more radicals; a 2 to 20-member heteroalkyl optionally substituted with one or more radicals; and a homopolymer or copolymer comprising a polymeric chain; B is selected from: H, OH, NH.sub.2, (C.sub.1-C.sub.4)alkyl, halogen, phenyl substituted with one or more halogen radicals, benzyl substituted with one or more halogen radicals, C(O)R.sub.3, C(O)(R.sub.7), OC(O)(O)R.sub.3, C(O)(O.sup.), C(O)(O)R.sub.3, OR.sub.3, CH(OR.sub.3)(OR.sub.4), C(OR.sub.3)(OR.sub.4)(R.sub.5), C(OR.sub.3)(OR.sub.4)(OR.sub.5), C(OR.sub.3)(OR.sub.4)(OR.sub.5)(OR.sub.6), NR.sub.1R.sub.2, N.sup.+R.sub.1R.sub.2R.sub.3, C(NR.sub.1)(R.sub.2), C(O)(NR.sub.1R.sub.2), N(C(O)(R.sub.1)) (C(O)(R.sub.2))(R.sub.3), O(CN), NC(O), ONO.sub.2, CN, NC, ON(O), NO.sub.2, NO, C.sub.5H.sub.4N, SR.sub.1, SSR.sub.1, S(O)(R.sub.1), S(O)(O)(R.sub.1), S(O)(OH), S(O)(O)(OH), SCN, NCS, C(S)(R.sub.1), PR.sub.1R.sub.2, P(O)(OH).sub.2, OP(O)(OH).sub.2, OP(O)(OR.sub.1)(OR.sub.2), B(OH), B(OR.sub.1)(OR.sub.2), and B(OR.sub.1)(R.sub.2); provided that when B is H or (C.sub.1-C.sub.4) alkyl, then X is a homopolymer, a copolymer, or a 2 to 20-member heteroalkyl optionally substituted with one or more radicals as defined above.

The present invention also provides processes for the preparation of the nanoobjects, their use as additive for reducing the friction coefficient of a material, and compositions comprising thereof.

A-X-B(I)

The present invention provides a Molybdenum or Tungsten chalcogenide nanoobject having: (a) an object size comprised from 0.1 to 500 nm, and (b) from 1 to 99% by weight of molecules of formula (I) with respect to the total weight of the nanoobject, wherein: A is OH; X is selected from: (C.sub.1-C.sub.20)alkyl optionally substituted with one or more radicals; a 2 to 20-member heteroalkyl optionally substituted with one or more radicals; and a homopolymer or copolymer comprising a polymeric chain; B is selected from: H, OH, NH.sub.2, (C.sub.1-C.sub.4)alkyl, halogen, phenyl substituted with one or more halogen radicals, benzyl substituted with one or more halogen radicals, C(O)R.sub.3, C(O)(R.sub.7), OC(O)(O)R.sub.3, C(O)(O.sup.), C(O)(O)R.sub.3, OR.sub.3, CH(OR.sub.3)(OR.sub.4), C(OR.sub.3)(OR.sub.4)(R.sub.5), C(OR.sub.3)(OR.sub.4)(OR.sub.5), C(OR.sub.3)(OR.sub.4)(OR.sub.5)(OR.sub.6), NR.sub.1R.sub.2, N.sup.+R.sub.1R.sub.2R.sub.3, C(NR.sub.1)(R.sub.2), C(O)(NR.sub.1R.sub.2), N(C(O)(R.sub.1)) (C(O)(R.sub.2))(R.sub.3), O(CN), NC(O), ONO.sub.2, CN, NC, ON(O), NO.sub.2, NO, C.sub.5H.sub.4N, SR.sub.1, SSR.sub.1, S(O)(R.sub.1), S(O)(O)(R.sub.1), S(O)(OH), S(O)(O)(OH), SCN, NCS, C(S)(R.sub.1), PR.sub.1R.sub.2, P(O)(OH).sub.2, OP(O)(OH).sub.2, OP(O)(OR.sub.1)(OR.sub.2), B(OH), B(OR.sub.1)(OR.sub.2), and B(OR.sub.1)(R.sub.2); provided that when B is H or (C.sub.1-C.sub.4) alkyl, then X is a homopolymer, a copolymer, or a 2 to 20-member heteroalkyl optionally substituted with one or more radicals as defined above.

The present invention also provides processes for the preparation of the nanoobjects, their use as additive for reducing the friction coefficient of a material, and compositions comprising thereof.

A-X-B(I)

A compound, which is 1-(1,3-bis(methylthio)propoxy)-3-(methylthio)propan-1-ol, a composition containing the compound, a method for the preparation thereof, a method for preparing 3-methylthiopropionaldehyde by reacting 1-(1,3-bis(methylthio)propoxy)-3-(methylthio)propan-1-ol with acrolein, and also to the use of 1-(1,3-bis(methylthio)propoxy)-3-(methylthio)propan-1-ol or compositions containing the compound for the storage and/or transport of 3-methylthiopropionaldehyde and/or methyl mercaptan.