EP0109014A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Titanium ester compositions having depressed freezing points
Assignee: EIDP Inc
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Filing: 1983-11-04
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Granted: —
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Expires: 2003-11-04
Abstract
Abstract Reaction product obtained by combining (i) (R 1 O) 4 Ti with (ii) 2,4-pentanedione and (iii) either (a) at least one (R 2 O) 4 Ti or (b) at least one R 3 OH wherein R 2 and R 3 differ from R 1 and are each methyl, ethyl, 2-chloroethyl, isopropyl, n-propyl, n-butyl, n-pentyl, 2-pentyl, 3-methylbutyl, 2-methoxyethyl, or methoxyethoxyethyl and the (i) : (ii) mol ratio is in the range between 1 : 1 and 1 : 2. The quantity of (iii) is sufficient, even in the presence of a nucleating agent, to depress the freezing point of the reaction product obtained by combining (i) with (ii). Methods of preparing the reaction product are disclosed.
Inventors
- 👤 Gordon Bradbury Robbins
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 22:20
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/28; C07F7/003
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
140 words
A composition comprising the reaction product obtained by combining (i) a titanate represented by the empirical formula (R 1 O) 4 Ti with (ii) 2,4-pentanedione and (iii) a substance which is either (a) at least one other titanate represented by the empirical formula ( R 2 0) 4 T i or (b) at least one alcohol represented by the empirical formula R 3 OH wherein the titanate:pentanedione mol ratio is in the range between 1:1 and 1:2; R 2 and R 3 differ R 1 ; and R 1 , R 2 and R 3 are each methyl, ethyl, 2-chloroethyl, isopropyl, n-propyl, n-butyl, n-pentyl,-2-pentyl, 3-methylbutyl, 2-methoxyethyl, or methoxyethoxyethyl; the quantity of said substance being sufficient, even in the presence of a nucleating agent, to depress the freezing point of the reaction product obtained by combining said first-mentioned titanate with 2,4-pentanedione.
Claim 2
Dependent Claim
140 words
A composition comprising the reaction product obtained by combining (i) a titanate represented by the empirical formula (R 1 O) 4 Ti with (ii) 2,4-pentanedione and (iii) a substance which is either (a) at least one other titanate represented by the empirical formula ( R 2 0) 4 T i or (b) at least one alcohol represented by the empirical formula R 3 OH wherein the titanate:pentanedione mol ratio is in the range between 1:1 and 1:2; R 2 and R 3 differ R 1 ; and R 1 , R 2 and R 3 are each methyl, ethyl, 2-chloroethyl, isopropyl, n-propyl, n-butyl, n-pentyl,-2-pentyl, 3-methylbutyl, 2-methoxyethyl, or methoxyethoxyethyl; the quantity of said substance being sufficient, even in the presence of a nucleating agent, to depress the freezing point of the reaction product obtained by combining said first-mentioned titanate with 2,4-pentanedione.
Claim 3
Dependent Claim
21 words
The composition of Claim 1 wherein the titanate represented by the empirical formula (R 1 O) 4 Ti is tetraisopropyl titanate.
Claim 4
Dependent Claim
29 words
The composition of Claims 1 or 2 wherein the substance of the empirical formula R 3 0 H comprises methanol, ethanol, n-butanol or a mixture of methanol and n-butanol.
Claim 5
Dependent Claim
25 words
The composition of Claims 1 to 3 containing methoxy, isopropoxy and n-butoxy substituents in the molar proportions defined by the area UVWXYZ in the Figure..
Claim 6
Dependent Claim
24 words
The composition of Claim 4 which contains about 51 mol % isopropoxy, about 15 mol % n-butoxy and about 34 mol % methoxy substituents.
Claim 7
Dependent Claim
17 words
The composition of Claim 1 in which the (R 1 0) 4 Ti:2,4-pentanedione mol ratio is 1:2.
Claim 8
Dependent Claim
134 words
The process of preparing the reaction product of Claim 1 which comprises reacting (i) a titanate represented by the empirical formula (R 1 O) 4 Ti with (ii) 2,4-pentanedione and (iii) a substance which is either (a) at least one other titanate represented bv the empirical formula or (b) at least one alcohol represented by the empirical formula wherein the titanate:pentanedione mol ratio is in the range between 1:1 and 1:2; R 2 and R 3 differ R 1 ; and R 1 , R 2 and R are each methyl, ethyl, 2-chloroethyl, isopropyl, n-propyl, n-butyl, n-pentyl, 2-pentyl, 3-methylbutyl, 2-methoxyethyl, or methoxyethoxyethyl; the quantity of said substance being sufficient, even in the presence of a nucleating agent, to depress the freezing point of the reaction product obtained by combining said first-mentioned titanate with 2,4-pentanedione.
Claim 9
Dependent Claim
22 words
The process of Claim 7 in which said titanate represented by the empirical formula (R 1 O) 4 Ti is tetraisopropyl titanate.
Claim 10
Dependent Claim
44 words
The process of Claim 8 wherein tetraisopropyl titanate is reacted with 2,4-pentanedione, all or part of the isopropanol thereby generated is removed from the reaction product and one or more of the alcohols represented by the empirical formula is added to the reaction product.
Claim 11
Dependent Claim
43 words
The process of Claim 9 wherein the titanate:pentanedione mol ratio is 1:2, all or part of the isopropanol is removed by distillation and a mixture of methanol and n-butanol is added in a quantity sufficient to replace the isopropanol which has been removed.
Claim 12
Dependent Claim
43 words
The process of Claim 7 wherein an alcohol represented by the empirical formula generated in the reaction of 2,4-pentanedione and the titanate represented by the empirical formula is removed prior to the introduction of at least one alcohol represented by the empirical formula
Claim 13
Dependent Claim
36 words
12 . The process of Claim 7 wherein the alcohol represented by the empirical formula has a higher boiling point than the alcohol represented by the empirical formula and the alcohol represented by the empirical formula
Claim 14
Dependent Claim
20 words
is removed after completion of the reaction of said pentanedione, said titanate and said alcohol represented by the empirical formula
Claim 15
Dependent Claim
20 words
is removed after completion of the reaction of said pentanedione, said titanate and said alcohol represented by the empirical formula
References Cited (Backward Citations)
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