Patent US3843365A successfully refreshed from Google Patents.
Patent US4585803A successfully refreshed from Google Patents.
US4585803A
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Internal mold release compositions
Assignee: Dow Chemical Co
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Filing: 1984-08-17
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Granted: 1986-04-29
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Expires: 2004-08-17
Abstract
Abstract Internal mold release compositions suitable for use in preparing polyurethane and polyurea moldings comprise a tertiary amine compound, a metal salt of a carboxylic acid, amidocarboxylic acid, phosphorus-containing acid or boron-containing acid. The metal is from Group IA, IB, IIA, or IIB metal or aluminum, chromium, molybdenum, iron, cobalt, nickel, tin, lead, antimony or bismuth.
Inventors
- 👤 Donald L. Nelson
- 👤 Roney J. Matijega
- 👤 Dennis P. Miller, deceased
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:00
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/18; C08G18/1825; C08K5/04; C08K5/09; C08K5/098; C08K5/16; C08K5/17; C08K5/20; C08K5/55; B29K; B29K2075/00; C08G2125/00; Y; Y10; Y10S; Y10S264/00; Y10S264/83
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
126 words
An internal mold release composition comprising (a) a metal salt of a carboxylic acid, amido carboxylic acid, phosphorus-containing acid or boron-containing acid wherein (i) the acid contains a lipophilic group which renders it incompatible with a polyahl and (ii) the metal is chosen from the metals in Groups IA, IB, IIA and IIB of the Periodic Table of the Elements, aluminum, chromium, molybdenum, iron, cobalt, nickel, tin, lead, antimony or bismuth and (b) a compatibilizing amount of a tertiary amine compound containing at least one tertiary nitrogen, which tertiary amine compound is a compatibilizer for the said metal salt in an active hydrogen-containing composition comprising said polyahl, but does not compatibilize the metal acid salt in a reacting mixture comprising said hydrogen-containing composition and a polyisocyanate.
Claim 2
Dependent Claim
126 words
An internal mold release composition comprising (a) a metal salt of a carboxylic acid, amido carboxylic acid, phosphorus-containing acid or boron-containing acid wherein (i) the acid contains a lipophilic group which renders it incompatible with a polyahl and (ii) the metal is chosen from the metals in Groups IA, IB, IIA and IIB of the Periodic Table of the Elements, aluminum, chromium, molybdenum, iron, cobalt, nickel, tin, lead, antimony or bismuth and (b) a compatibilizing amount of a tertiary amine compound containing at least one tertiary nitrogen, which tertiary amine compound is a compatibilizer for the said metal salt in an active hydrogen-containing composition comprising said polyahl, but does not compatibilize the metal acid salt in a reacting mixture comprising said hydrogen-containing composition and a polyisocyanate.
Claim 3
Dependent Claim
15 words
The internal mold release composition of claim 1 wherein the acid comprises a fatty acid.
Claim 4
Dependent Claim
29 words
The internal mold release composition of claim 2 wherein the metal acid salt is a zinc, calcium, cadmium, lithium or nickel salt of stearic, lauric, oleic, or palmitic acid.
Claim 5
Dependent Claim
28 words
The internal mold release composition of claim 1 wherein the tertiary amine compound has one or more hydroxy-terminated poly(oxyalkylene) or alkanol groups attached to a tertiary nitrogen atom.
Claim 6
Dependent Claim
59 words
The internal mold release composition of claim 4 wherein the tertiary amine compound comprises a monoamine represented by the structure R'.sub.(3-n) N[(CH.sub.2 CHRO).sub.x H].sub.n wherein x is a number between 1-5, n is 2 or 3, each R is independently hydrogen, halogen or inertly substituted lower alkyl and R' is an inertly substituted lower alkyl group or phenyl group.
Claim 7
Dependent Claim
29 words
The internal mold release composition of claim 5 wherein the tertiary amine compound is chosen from the group consisting of triethanol amine, alkyl diethanol amine, alkyl di(isopropanol)amine and tri(isopropanol)amine.
Claim 8
Dependent Claim
61 words
The internal mold release composition of claim 4 wherein the tertiary amine compound comprises a diamine represented by the structure ##STR7## wherein each R' is independently an inertly substituted alkyl or phenyl group, each y is independently a number from about 1-50, R 2 is an inertly substituted alkylene, dialkylene ether or polyether diradical, and each m is 1 or 2.
Claim 9
Dependent Claim
40 words
The internal mold release composition of claim 7 wherein the tertiary amine compound is the reaction product of an alkylene diamine, a hydroxyethyl alkylene diamine or an amine-terminated polyether with about 1-30 moles of an alkylene oxide per amine hydrogen.
Claim 10
Dependent Claim
44 words
The internal mold release agent of claim 8 wherein the tertiary amine compound is a reaction product of ethylene diamine or hydroxyethyl ethylene diamine and 1-3 moles of propylene oxide or a mixture of propylene oxide and ethylene oxide per equivalent of amine hydrogen.
Claim 11
Dependent Claim
35 words
The internal mold release composition of claim 4 wherein the tertiary amine comprises a reaction product of piperazine and about 1-3 moles of a C 2 -C 4 alkylene oxide per equivalent of amine hydrogen.
Claim 12
Dependent Claim
41 words
The internal mold release composition of claim 4 wherein the tertiary amine comprises the reaction product of an aminoalkyl piperazine or bis(aminoalkyl)piperazine and about 1-20 moles of a C 2 -C 4 alkylene oxide per mole of aminoalkyl piperazine or bis(aminoalkyl)-piperazine.
Claim 13
Dependent Claim
17 words
The internal mold release composition of claim 4 wherein the tertiary amine comprises an N,N',N" hydroxyalkyl triazine.
Claim 14
Dependent Claim
34 words
The internal mold release composition of claims 1, 2, 6, 9, 10, 11 or 12 containing about 1-10 parts by weight of the tertiary amine compound per part by weight of the metal salt.
Claim 15
Dependent Claim
30 words
The internal mold release composition of claim 13, further comprising a polyahl, such that the composition contains from about 5-40 percent by weight of the composition of the metal salt.
Claim 16
Dependent Claim
31 words
The internal mold release composition of claim 14 which contains less than an amount of a primary or secondary amine which is sufficient to compatibilize the metal salt and a polyahl.
Claim 17
Dependent Claim
138 words
An active hydrogen containing composition comprising (a) a polyahl having dispersed or dissolved therein (b) an effective amount of an internal mold release composition comprising (i) a metal salt of a carboxylic acid, amido carboxylic acid, phosphorous-containing acid or boron-containing acid wherein the acid contains a lipophilic group which renders it incompatible with the polyahl and a metal chosen from the metals in Groups IA, IB, IIA and IIB of the Periodic Table of the Elements, aluminum, chromium, molybdenum, iron, cobalt, nickel, tin, lead, antimony or bismuth and (ii) a compatibilizing amount of a tertiary amine compound containing at least one tertiary nitrogen, which tertiary amine compound is a compatibilizer for the said metal salts in said polyahl, but does not compatibilize the metal carboxylic acid salt in a reaction mixture comprising said hydrogen-containing composition and a polyisocyanate.
Claim 18
Dependent Claim
138 words
An active hydrogen containing composition comprising (a) a polyahl having dispersed or dissolved therein (b) an effective amount of an internal mold release composition comprising (i) a metal salt of a carboxylic acid, amido carboxylic acid, phosphorous-containing acid or boron-containing acid wherein the acid contains a lipophilic group which renders it incompatible with the polyahl and a metal chosen from the metals in Groups IA, IB, IIA and IIB of the Periodic Table of the Elements, aluminum, chromium, molybdenum, iron, cobalt, nickel, tin, lead, antimony or bismuth and (ii) a compatibilizing amount of a tertiary amine compound containing at least one tertiary nitrogen, which tertiary amine compound is a compatibilizer for the said metal salts in said polyahl, but does not compatibilize the metal carboxylic acid salt in a reaction mixture comprising said hydrogen-containing composition and a polyisocyanate.
Claim 19
Dependent Claim
16 words
The active hydrogen containing composition of claim 16 wherein the carboxylic acid comprises a fatty acid.
Claim 20
Dependent Claim
28 words
The active hydrogen containing composition of claim 16 wherein the tertiary amine compound has one or more hydroxy-terminated poly(oxyalkylene) or alkanol groups attached to a tertiary nitrogen atom.
Claim 21
Dependent Claim
29 words
The active hydrogen-containing composition of claim 18 wherein the tertiary amine compound is chosen from the group consisting of triethanol amine, alkyldiethanol amine, alkyl di(2-propanol) amine and tri(2-propanol amine).
Claim 22
Dependent Claim
36 words
The active hydrogen containing composition of claim 18 wherein the tertiary nitrogen compound comprises a reaction product of an alkylene diamine or an amine-terminated polyether with about 1-20 moles of an alkylene oxide per amine hydrogen.
Claim 23
Dependent Claim
30 words
The active hydrogen-containing composition of claim 18 wherein the tertiary amine compound comprises a reaction product of piperazine and about 2-6 moles of a C 2 -C 4 alkylene oxide.
Claim 24
Dependent Claim
35 words
The active hydrogen containing composition of claim 18 wherein the tertiary amine compound comprises a reaction product of an aminoalkylpiperazine or a bis(aminoalkyl)piperazine and about 1-20 moles of a C 2 -C 4 alkylene oxide.
Claim 25
Dependent Claim
27 words
The active hydrogen containing composition of claims 16, 17, 19, 20, 21 or 22 containing about 0.5-5 percent by weight of the composition of said metal salt.
Claim 26
Dependent Claim
21 words
The active hydrogen containing composition of claim 16 further comprising a catalyst for a reaction between said polyahl and a polyisocyanate.
Claim 27
Dependent Claim
14 words
The active hydrogen containing composition of claim 16 wherein sand polyahl comprises a polyol.
Claim 28
Dependent Claim
17 words
The active hydrogen-containing composition of claim 25 wherein the polyahl is substantially devoid of aliphatic amine hydrogens.
Claim 29
Dependent Claim
22 words
A molded polymer prepared by the reaction of the active hydrogen containing composition of claim 23 with a polyisocyanate in a mold.
Claim 30
Dependent Claim
37 words
A molded polymer prepared by reacting (a) a polyahl and (b) a polyisocyanate in the presence of an amount of the internal mold release agent of claim 1 sufficient to improve the release properties of the polymer.
Claim 31
Dependent Claim
47 words
The internal mold release composition of claim 1 wherein said metal salt comprises about 0.25 to about 10 percent by weight of the composition, and said tertiary amine compound is present in an amount from about 1 to about 10 times the weight of said metal salt.
Claim 32
Dependent Claim
26 words
The active hydrogen-containing composition of claim 16 wherein the weight ratio of said tertiary amine compound to said metal salt is about 0.5 to about 20.
Claim 33
Dependent Claim
23 words
The active hydrogen-containing composition of claim 30 wherein the metal salt comprises about 0.25 to about 10 percent by weight of said composition.
References Cited (Backward Citations)
US3262889A
Cited
US3767743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-28 | 1989-10-28 | 1990-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-28 | 1993-10-28 | 1994-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-28 | 1997-10-28 | 1998-04-29 | $7700.00 | Window Closed / Lapsed |