diacid


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di·ac·id

(dī-as'id),
Denoting a substance containing two ionizable hydrogen atoms per molecule; more generally, a base capable of combining with two hydrogen ions per molecule.
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Diacid, diol, and hydroxyl-terminated PDMS with 1 wt% T-12 based on the total mass of monomers as the catalyst were charged into a 100 ml three-necked flask, equipped with a mechanical stirrer, a nitrogen inlet, a reflux condenser, and a receiver pipe.
Effects of diacid chloride concentration on the weights of polyamide formed by interfacial polymerization.
The isomeric diacids were used to explore the effect of the monomer conformation on the hydrolytic stability of the resultant oligoester.
1 equivalent of appropriate diacid chloride (4a-c) was added slowly at room temperature with stirring and stirring was continued for 3 h.
Research on polyester formation by reacting aliphatic diacids with aliphatic diols produced some interesting materials, but none that appeared promising for commercial applications.
The cyclohexane diacid monomers, which can be typically used in the preparation of polyesters, are haxahydrophthalic anhydride (HHPA), 1,3-cyclohexanedicarboxylic acid (1,3-CHDA) and 1,4-cyclohexanedicarboxylic acid (1,4-CHDA).
Elevance is making Inherent[TM] C18 diacid, also known as octadecanedioic diacid or ODDA, using a unique and efficient production process and materials produced from its world-scale biorefinery in Gresik, Indonesia.
The reaction pathways of ammonium hydroxide NMSO with cotton cellulose are influenced by the degree of triglyceride modification with diacid groups.
Vestamid Terra HS is based on polyamide 610, which is the polycondensation product of 1,6-hexamethylene diamine (H) and 1,10-decanedoic diacid (sebacic acid - S).
The 45% bio-content polymer Vestamid Terra DD is based on polyamide 1012, which is the polycondensation product of 1,10-decamethylene diamine (D) and 1,12-dodecanedoic diacid (D).
Degradation rate can be altered through changes in the hydrophobicity of the diacid building blocks like addition of hydrophilic monomer, such as sebacic acid [92].
Marley NA, Bennett P, Janecky DR, Gaffney JS (1989) Spectroscopic evidence for organic diacid complexation with dissolved silica in aqueous systems-l.