US4357268A
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Nucleation agents for crystalline polymers
Assignee: Honeywell International Inc
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Filing: 1980-12-29
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Granted: 1982-11-02
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Expires: 2000-12-29
Abstract
Abstract A polyethylene terephthalate composition comprising the salt of a dimer acid, trimer acid or the salt of a mixture of dimer and trimer acid. The dimer and/or trimer acids are neutralized with a Group IA metal cation, preferably sodium. The composition can contain a filler, plasticizer, impact modifier and/or a polyepoxide.
Inventors
- 👤 Nicholas Vanderkooi, Jr.
- 👤 John C. Haylock
- 👤 Stephen R. Schulze
- 👤 Harold W. Tuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08L; C08L67/00; C08L67/02
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
104 words
A composition comprising: polyethylene terephthalate; and from about 0.2 percent to about 10 percent, based on the weight of the polyethylene terephthalate, of a nucleating agent comprising a dimer acid and trimer acid mixture, the mixture having from 0 percent to 100 percent by weight trimer acid, the dimer acid having at least 36 carbon atoms and two carboxyl groups, the trimer acid having at least 54 carbon atoms and three carboxyl groups, with the total amount of carboxyl groups being neutralized from 10 to 100 percent by a cation of a metal selected from Group IA of the Periodic Table of the Elements.
Claim 2
Dependent Claim
104 words
A composition comprising: polyethylene terephthalate; and from about 0.2 percent to about 10 percent, based on the weight of the polyethylene terephthalate, of a nucleating agent comprising a dimer acid and trimer acid mixture, the mixture having from 0 percent to 100 percent by weight trimer acid, the dimer acid having at least 36 carbon atoms and two carboxyl groups, the trimer acid having at least 54 carbon atoms and three carboxyl groups, with the total amount of carboxyl groups being neutralized from 10 to 100 percent by a cation of a metal selected from Group IA of the Periodic Table of the Elements.
Claim 3
Dependent Claim
20 words
The composition as recited in claim 1, wherein the cation is selected from the group consisting of potassium and sodium.
Claim 4
Dependent Claim
12 words
The composition as recited in claim 2, wherein the cation is sodium.
Claim 5
Dependent Claim
31 words
The composition as recited in claim 3, wherein the sodium cation is supplied by a cation containing material selected from the group consisting of sodium bicarbonate, sodium carbonate and sodium hydroxide.
Claim 6
Dependent Claim
15 words
The composition as recited in claim 3, wherein the cation containing material is sodium hydroxide.
Claim 7
Dependent Claim
30 words
The composition as recited in claim 1, wherein the cation is supplied by a cation containing material selected from the group consisting of metal: carbonates, bicarbonates, hydroxides, alkyloxides and acetates.
Claim 8
Dependent Claim
24 words
The composition as recited in claim 6, wherein the cation containing material is selected from the group consisting of metal: carbonates, bicarbonates and hydroxides.
Claim 9
Dependent Claim
23 words
The composition as recited in claim 3, wherein the dimer acid has a 36 carbon chain with carboxyl groups at the chain ends.
Claim 10
Dependent Claim
29 words
The composition as recited in claim 3, wherein the trimer acid has 54 carbon atoms having at least three alkyl chains, with three alkyl chains ending in carboxyl groups.
Claim 11
Dependent Claim
30 words
The composition as recited in claims 1 or 3, wherein about 50 percent to 100 percent of the carboxyl groups of the dimer acid and trimer acid mixture are neutralized.
Claim 12
Dependent Claim
33 words
The composition as recited in claims 1 or 3, wherein there is from about 0.2 percent to 2 percent by weight of the polyethylene terephthalate of the dimer acid and trimer acid mixture.
Claim 13
Dependent Claim
34 words
The composition as recited in claim 11 wherein there is between about 0.3 percent and about 1 percent, based on the weight of the polyethylene terephthalate, of the dimer acid and trimer acid mixture.
Claim 14
Dependent Claim
26 words
The composition as recited in claims 1 or 3, further comprising up to 150 percent, based on the weight of the polyethylene terephthalate, of a filler.
Claim 15
Dependent Claim
29 words
The composition as recited in claim 13, wherein there is from about 30 percent to about 90 percent, based on the weight of the polyethylene terephthalate, of fiberglass filler.
Claim 16
Dependent Claim
26 words
The composition as recited in claims 1 or 3, further comprising up to 15 percent, based on the weight of the polyethylene terephthalate, of a plasticizer.
Claim 17
Dependent Claim
29 words
The composition as recited in claim 15, wherein there is between about 2 percent and about 10 percent, based on the weight of the polyethylene terephthalate, of the plasticizer.
Claim 18
Dependent Claim
29 words
The composition as recited in claim 16, wherein there is between about 2 percent and about 6 percent, based on the weight of the polyethylene terephthalate, of the plasticizer.
Claim 19
Dependent Claim
31 words
The composition as recited in claim 17, wherein the plasticizer is selected from the group consisting of: dioctyl adipate, neopentyl glycol dibenzoate, triethylene glycol dibenzoate, glyceryl tribenzoate, trimethylolethane, and pentaerythritol tetrabenzoate.
Claim 20
Dependent Claim
23 words
The composition as recited in claim 18, wherein the plasticizer is selected from the group consisting of dioctyl adipate and neopentyl glycol dibenzoate.
Claim 21
Dependent Claim
24 words
The composition as recited in claim 16, containing sufficient plasticizer for the composition to have a T ch of not greater than 110° C.
Claim 22
Dependent Claim
27 words
The composition as recited in claims 1 or 3, containing sufficient nucleating agent for the composition to have a T cc of at least about 210° C.
Claim 23
Dependent Claim
27 words
The composition as recited in claims 1 or 3, further comprising up to 10 percent, based on the weight of the polyethylene terephthalate, of an impact modifier.
Claim 24
Dependent Claim
34 words
The composition as recited in claim 22, wherein the impact modifier is selected from a group consisting of the following copolymers: ethylene acrylic acid, methylene acrylic acid, ethylene ethyl acrylate, and ethylene vinyl acetate.
Claim 25
Dependent Claim
28 words
The composition as recited in claim 23, containing between about 2 percent and about 6 percent based on the weight of the polyethylene terephthalate, of the impact modifier.
Claim 26
Dependent Claim
27 words
The composition as recited in claims 1 or 3, further comprising from 0.1 to about 3 percent, based on the weight of the polyethylene terephthalate, of epoxy.
Claim 27
Dependent Claim
31 words
The composition as recited in claims 1 or 3, wherein the dimer acid and trimer acid mixture contains from about 3 percent to about 90 percent by weight of trimer acid.
Claim 28
Dependent Claim
31 words
The composition as recited in claim 26, wherein the dimer acid and trimer acid mixture is about 75 percent by weight dimer acid and about 25 percent by weight trimer acid.
Claim 29
Dependent Claim
130 words
A composition comprising: polyethylene terephthalate; from about 0.2 percent to about 10 percent based on the weight of the polythethylene terephthalate, of a nucleating agent comprising a nucleating agent comprising a dimer acid and a trimer acid mixture, the mixture having from 0 percent to 100 percent trimer acid, the dimer acid having at least 36 carbon atoms and two carboxyl groups, the trimer acid having at least 54 carbon atoms and three carboxyl groups, with the total amount of carboxyl groups being neutralized from 10 to 100 percent by a cation of a metal selected from sodium and potassium; up to 150 percent based on the weight of polyethylene terephthalate of a filler; and up to 15 percent, based on the weight of the polyethylene terephthalate, of a plasticizer.
Claim 30
Dependent Claim
130 words
A composition comprising: polyethylene terephthalate; from about 0.2 percent to about 10 percent based on the weight of the polythethylene terephthalate, of a nucleating agent comprising a nucleating agent comprising a dimer acid and a trimer acid mixture, the mixture having from 0 percent to 100 percent trimer acid, the dimer acid having at least 36 carbon atoms and two carboxyl groups, the trimer acid having at least 54 carbon atoms and three carboxyl groups, with the total amount of carboxyl groups being neutralized from 10 to 100 percent by a cation of a metal selected from sodium and potassium; up to 150 percent based on the weight of polyethylene terephthalate of a filler; and up to 15 percent, based on the weight of the polyethylene terephthalate, of a plasticizer.
Claim 31
Dependent Claim
28 words
The composition as recited in claim 28, wherein there is between about 30 percent and about 90 percent, based on the weight of the polyethylene terephthalate, of filler.
Claim 32
Dependent Claim
57 words
The composition as recited in claim 29, wherein the filler is from 30 percent to 60 percent based on the weight of the polyethylene terephthalate, of glass fibers, and there is from 0.3 percent to 0.6 percent, based on the weight of the polyethylene terephthalate, of the sodium salt of a dimer acid and trimer acid mixture.
Claim 33
Dependent Claim
32 words
The composition as recited in claims 29 or 30, wherein there is between about 3 percent and about 6 percent by weight, based on the weight of the polyethylene terephthalate, of plasticizer.
Claim 34
Dependent Claim
19 words
The composition as recited in claim 31, wherein the plasticizer is selected from dioctyl adipate and neopentyl glycol dibenzoate.
Claim 35
Dependent Claim
27 words
The composition as recited in claim 31, further comprising between 2 percent and 6 percent, based on the weight of the polyethylene terephthalate, of an impact modifier.
Claim 36
Dependent Claim
28 words
The composition as recited in claim 31, wherein the impact modifier is selected from the group of ethylene ethyl acrylate copolymer, ethylene acrylic acid copolymer, and mixtures thereof.
Claim 37
Dependent Claim
23 words
The composition as recited in claim 31, further comprising 0.1 to 3 percent, based on the weight of the polyethylene terephthalate, of epoxy.
Claim 38
Dependent Claim
26 words
The composition as recited in claim 28, wherein the dimer and trimer mixture contains from about 3 percent to about 90 percent by weight dimer acid.
Claim 39
Dependent Claim
25 words
The composition as recited in claim 28, containing sufficient nucleating agent for the composition to have a T cc of at least about 210° C.
Claim 40
Dependent Claim
24 words
The composition as recited in claim 28, containing sufficient plasticizer for the composition to have a T ch of not greater than 110° C.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-11-01 | 1986-05-03 | 1986-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-01 | 1990-05-03 | 1990-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-01 | 1994-05-03 | 1994-11-02 | $7700.00 | Window Closed / Lapsed |