US4618630A
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Organic polymer composition containing an antistatic agent comprising a nonvolatile ionizable metal salt and a salt or ester of a carboxylic acid
Assignee: Dow Chemical Co
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Filing: 1985-07-02
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Granted: 1986-10-21
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Expires: 2005-07-02
Abstract
Abstract An antistatic additive for polymers, particularly polyurethanes is disclosed comprising an ionizable metal salt and an enhancer comprising a non-ionizable salt or ester of an organic acid.
Inventors
- 👤 Thomas M. Knobel
- 👤 Earl E. Kennedy
- 👤 Mary A. Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:10
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/181; C; C08; C08K; C08K13/00; C08K13/02; C08K3/00; C08K3/01; C08K3/017; C08K5/00; C08K5/0008; C08K5/0075; C08K5/55; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
77 words
An organic polymer composition comprising an organic polymer having dispersed therein (a) a non-volatile ionizable metal salt and (b) an enhancer compound comprising a salt or ester of a carboxylic acid, which salt or ester contains about 6 to about 30 carbon atoms and is compatible with said organic polymer, and in which said metal salt is soluble, wherein from about 1 to about 25 moles of said enhancer are present per mole of ionizable metal salt.
Claim 2
Dependent Claim
77 words
An organic polymer composition comprising an organic polymer having dispersed therein (a) a non-volatile ionizable metal salt and (b) an enhancer compound comprising a salt or ester of a carboxylic acid, which salt or ester contains about 6 to about 30 carbon atoms and is compatible with said organic polymer, and in which said metal salt is soluble, wherein from about 1 to about 25 moles of said enhancer are present per mole of ionizable metal salt.
Claim 3
Dependent Claim
44 words
The polymer composition of claim 1 wherein said enhancer compound increases the conductivity of said organic polymer in the presence of said ionizable metal salt, but does not substantially increase the conductivity of said organic polymer in the absence of said ionizable metal salt.
Claim 4
Dependent Claim
20 words
The polymer composition of claim 2 wherein the enhancer compound comprises a salt of a C 8 -C 22 carboxylic.
Claim 5
Dependent Claim
21 words
The polymer composition of claim 2 wherein the enhancer compound comprises an ester of a C 6 -C 30 dicarboxylic acid.
Claim 6
Dependent Claim
19 words
The polymer composition of claim 4 wherein the carboxylic acid is a C 6 -C 12 aliphatic carboxylic acid.
Claim 7
Dependent Claim
17 words
The polymer composition of claim 4 wherein the carboxylic acid is an inertly substituted aromatic carboxylic acid.
Claim 8
Dependent Claim
20 words
The polymer composition of claim 6 wherein the ester is an alkyl or poly(oxyalkylene) ester of phthalic or terephthalic acid.
Claim 9
Dependent Claim
18 words
The polymer composition of claim 2 or 7 wherein the ionizable metal salt comprises an alkali metal thiocyanate.
Claim 10
Dependent Claim
18 words
The polymer composition of claims 2 or 7 wherein the ionizable metal salt is an alkali metal tetraphenylboride.
Claim 11
Dependent Claim
41 words
The polymer composition of claim 2 wherein the organic polymer comprises a polyurethane, a polyolefin, polyvinyl chloride, polyvinylidene chloride, a polyester, a poly(vinyl aromatic), an acrylonitrile-butadiene-styrene polymer a polycarbonate or a copolymer of an olefin with carbon monoxide or vinyl alcohol.
Claim 12
Dependent Claim
14 words
The polymer composition of claim 7 containing about 0.01-10 weight percent ionizable metal salt.
Claim 13
Dependent Claim
88 words
An active hydrogen containing composition comprising a polyahl or polyahls having dispersed therein (a) a non-volatile ionizable metal salt and (b) an enhancer comprising a salt or ester of a carboxylic acid containing about 6 to about 30 carbon atoms, wherein said ionizable salt and enhancer are present in an amount sufficient to increase the conductivity of an organic polyisocyanate polymer prepared from said active hydrogen containing composition, and wherein from about 1 to about 25 moles of said enhancer are present per mole of ionizable metal salt.
Claim 14
Dependent Claim
88 words
An active hydrogen containing composition comprising a polyahl or polyahls having dispersed therein (a) a non-volatile ionizable metal salt and (b) an enhancer comprising a salt or ester of a carboxylic acid containing about 6 to about 30 carbon atoms, wherein said ionizable salt and enhancer are present in an amount sufficient to increase the conductivity of an organic polyisocyanate polymer prepared from said active hydrogen containing composition, and wherein from about 1 to about 25 moles of said enhancer are present per mole of ionizable metal salt.
Claim 15
Dependent Claim
26 words
The active hydrogen containing composition of claim 12 further comprising a blowing agent and a catalyst for a reaction between said polyahl and an organic polyisocyanate.
Claim 16
Dependent Claim
25 words
The active hydrogen containing composition of claim 12 wherein said ionizable salt comprises from about 0.015-20 percent by weight of the active hydrogen containing composition.
Claim 17
Dependent Claim
22 words
The composition of claim 14 wherein said enhancer comprises an alkali metal salt of an unsaturated C 6 -C 12 carboxylic acid.
Claim 18
Dependent Claim
23 words
The composition of claim 14 wherein the enhancer comprises an alkylene or polyoxyalkylene glycol diester of a C 6 -C 12 dicarboxylic acid.
Claim 19
Dependent Claim
20 words
The composition of claim 16 wherein said enhancer comprises an ester of a poly(alkylene oxide) and phthalic or terephthalic acid.
Claim 20
Dependent Claim
17 words
The composition of claim 14 or 16 wherein the ionizable metal salt comprises an alkali metal thiocyanate.
Claim 21
Dependent Claim
17 words
The composition of claim 14 or 17 wherein the ionizable metal salt comprises an alkali metal tetraphenylborate.
Claim 22
Dependent Claim
101 words
An additive for increasing the conductivity of an organic polymer, comprising (a) a non-volatile ionizable metal salt and (b) an enhancer which comprises a salt or ester of a carboxylic acid containing about 6 to about 30 carbon atoms, in which salt or ester said metal salt is soluble, which enhancer increases the conductivity of a polymer containing said ionizable salt, but which does not substantially increase the conductivity of said organic polymer in the substantial absence of said ionizable salt, and wherein from about 1 to about 25 moles of said enhancer are present per mole of ionizable metal salt.
Claim 23
Dependent Claim
101 words
An additive for increasing the conductivity of an organic polymer, comprising (a) a non-volatile ionizable metal salt and (b) an enhancer which comprises a salt or ester of a carboxylic acid containing about 6 to about 30 carbon atoms, in which salt or ester said metal salt is soluble, which enhancer increases the conductivity of a polymer containing said ionizable salt, but which does not substantially increase the conductivity of said organic polymer in the substantial absence of said ionizable salt, and wherein from about 1 to about 25 moles of said enhancer are present per mole of ionizable metal salt.
Claim 24
Dependent Claim
19 words
The additive of claim 20 wherein the enhancer is a salt of a C 6 -C 22 carboxylic acid.
Claim 25
Dependent Claim
19 words
The additive of claim 20 wherein the enhancer is an ester of a C 6 -C 30 dicarboxylic acid.
Claim 26
Dependent Claim
18 words
The additive of claim 22 wherein the carboxylic acid comprises an aliphatic hydrocarbyl group containing 4-10 carbon atoms.
Claim 27
Dependent Claim
16 words
The additive of claim 22 wherein the carboxylic acid is an inertly substituted aromatic carboxylic acid.
Claim 28
Dependent Claim
15 words
The additive of claim 24 wherein the aromatic carboxylic acid is phthalic or terephthalic acid.
Claim 29
Dependent Claim
19 words
The additive of claim 25 wherein the ester is an alkyl or poly(oxyalkylene) ester of phthalic or terephthalic acid.
Claim 30
Dependent Claim
14 words
The additive of claim 20 containing from about 1-20 percent ionizable salt by weight.
Claim 31
Dependent Claim
14 words
The additive of claim 20 wherein the metal salt is an alkali metal thiocyanate.
Claim 32
Dependent Claim
23 words
A process for preparing an antistatic polymer, comprising reacting a polyahl with a polyisocyanate in the presence of the additive of claim 20.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1989-10-20 | 1990-04-21 | 1990-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-20 | 1994-04-21 | 1994-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-20 | 1998-04-21 | 1998-10-21 | $7700.00 | Window Closed / Lapsed |