Poly(thioesters), Their Applications and Derivatives

A compound of the formulae:

• MF1mOAOM1,
• wherein:
• F1 is of the formula —OAORSnR1—;
• m is at least 1;
• n is of 2 to 4;
• R and R1 are ethylene;
• A is the residue of an aliphatic dicarboxylic acid of from 2 to 40 carbon atoms;
• and
• M and M1 are H.

A composition of the formulae:

• MFmORSnR1OM1
• wherein:
• O and S have their normal meaning of oxygen and sulfur;
• n is at least 2 and, not more than 8;
• F is of the formula —ORSnR1OA-;
• m is at least 1;
• M and M1 are the same or different and are hydrogen or an organic substituent;
• R and R1 are the same or different and are organic divalent radicals, each having from 2 to 20 carbon atoms;
• and
• A is the residue of a dicarboxylic acid of from 2 to 40 carbon atoms.

A compound having at least one unit of the formula:

• —ORSnR1OA-
• wherein:
• O and S have their normal meaning of oxygen and sulfur;
• n is at least 2 and not more than 8;
• R and R1 are the same or different and are organic divalent radicals, each having from 2 to 20 carbon atoms;
• and
• A is the residue of a dibasic carboxylic acid of from 1 to 40 carbon atoms, wherein A is a fatty acid dimer residue, and R and R1 are aliphatic.

A compound containing one or more units formed from a polysulfide diol and a fatty acid dimer having from 24 to 40 carbon atoms with the structure:

• —[R—Sx—R—O—C(O)—R′—C(O)]—
• wherein:
• x can be any value between 2 and 8,
• each R comprises at least 2 carbon atoms and the sum of carbon atoms contributed by R groups is from 4 to 40, and
• R′ is a section of the fatty acid dimer located between two carboxylic groups.