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US 2023/0279243 A1Published application
Tricyclodecane dimethanol composition and preparation method of the same
AssigneeSK Chemicals Co., Ltd.
InventorsHee IL CHAE, Ju-Sik KANG, Jeong Ho PARK, Song LEE, Yu Mi CHANG
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Abstract
Provided are a tricyclodecane dimethanol composition, in which a ratio of isomers is controlled, and a preparation method thereof.
Claims11
A tricyclodecane dimethanol composition comprising
- A) octahydro-4,7-methano-1H-indene-1eq,6eq-dimethanol;
- B) octahydro-4,7-methano-1H-indene-3eq,6eq-dimethanol;
- C) octahydro-4,7-methano-1H-indene-2eq,6eq-dimethanol;
- and
- D) octahydro-4,7-methano-1H-indene-2ax,6eq-dimethanol, wherein a weight ratio of (A+B+C)/D is 10 to 200.
2 more elements
A method of preparing a tricyclodecane dimethanol composition,
- the tricyclodecane dimethanol composition comprising
- A) octahydro-4,7-methano-1H-indene-1eq,6eq-dimethanol;
- B) octahydro-4,7-methano-1H-indene-3eq,6eq-dimethanol;
- C) octahydro-4,7-methano-1H-indene-2eq,6eq-dimethanol;
- and
- D) octahydro-4,7-methano-1H-indene-2ax,6eq-dimethanol,
- wherein a weight ratio of (A+B+C)/D is 10 to 200,
- the method comprising the step of:
- performing a hydrogenation reaction of tricyclodecane dialdehyde in the presence of a hydrogenation catalyst including a support and a catalyst metal supported on the support,
- wherein the support includes one or more elements selected from the group consisting of K, Na, Cr, Fe, Al, Mn, Ba, Si, Zn, Ca, and Bi, and
- the catalyst metal is one or more selected from the group consisting of Ru, Pd, Pt, Rh, Ni, Cu, and V.
8 more elements
Dependencies are inferred from the claim text.