US4207224A
Expired / Lapsed
US
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Plastics composition
Assignee: FMC Corp
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Filing: 1978-02-10
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Granted: 1980-06-10
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Expires: 1998-02-10
Abstract
Abstract Aromatic hydrocarbon oligomers of the formula (A).sub.a (--CH.sub.2 --).sub.b [--CH.sub.2 (OCH.sub.2).sub.m OCH.sub.2 --] c (--CH 2 X) d wherein A is at least one aromatic hydrocarbon or heterocyclic residue, X is OH or a derivative thereof, a is 2 to 20 but equals b+c+1, b is 0 to 19, c is 0 to 19, d is 0 to 2a and m is 0 to 10, there being at least two (--CH 2 X) groups per molecule, the group each --CH 2 O--CH 2 -- portion of the group counting as (--CH 2 X) for this purpose, are suitable as non-volatile fire retardent agents in chlorine-containing aliphatic polymers, copolymers or polyblends, which contain an ester of an phosphorus acid.
Inventors
- 👤 Donald R. Randell
- 👤 Thomas G. Hyde
- 👤 Frank Lamb
- 👤 Brian G. Clubley
- 👤 Boyce I. D. Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08G; C08G10/00; C08G10/02; C08G16/00; C08G16/02; C08L; C08L101/00; C08L101/02; C08L101/04; C08L27/00; C08L27/02; C08L27/04; C08L61/00; C08L61/18; C08L2201/00; C08L2201/02; C08L59/00; C08L71/00
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
227 words
A composition comprising a chlorine-containing aliphatic polymer and (a) an ester of a phosphorus acid, and (b) an aromatic hydrocarbon-containing oligomer of the formula (A).sub.a (--CH.sub.2 --).sub.b [--CH.sub.2 (OCH.sub.2).sub.m OCH.sub.2 --].sub.c (--CH.sub.2 X).sub.d wherein A is at least one aromatic hydrocarbon-containing radical wherein the aromatic hydrocarbon moiety is selected from the group consisting of benzene, naphthalene and diphenyl ether, X is a member selected from the group consisting of --OH, --OR, ##STR22## phenoxy, benzyloxy and alkylphenoxy wherein R represents (1) a straight or branched chain alkyl having 1 to 12 carbon atoms, (2) cycloalkyl to 5 to 12 carbon atoms, (3) cycloalkenyl of 5 to 12 carbon atoms, or one of said groups (1) to (3) substituted by halogen, epoxy, nitro, amino, amido, ether, carboxyl, or ester groups, a is 2 to 20 but equals b+c+1, b is 0 to 19, c is 0 to 19, d is 0 to 2a and m is 0 to 10, there being at least two (--CH 2 X) groups per molecule, each --CH 2 O--CH 2 portion of the group [CH 2 (OCH 2 ) m OCH 2 ] counting as (--CH 2 X) for this purpose, the said groups (--CH 2 --), [--CH 2 (OCH 2 ) m OCH 2 --] and (-- CH 2 X) being bonded directly to a nuclear carbon atom of the aromatic hydrocarbon-containing radical.
Claim 2
Dependent Claim
227 words
A composition comprising a chlorine-containing aliphatic polymer and (a) an ester of a phosphorus acid, and (b) an aromatic hydrocarbon-containing oligomer of the formula (A).sub.a (--CH.sub.2 --).sub.b [--CH.sub.2 (OCH.sub.2).sub.m OCH.sub.2 --].sub.c (--CH.sub.2 X).sub.d wherein A is at least one aromatic hydrocarbon-containing radical wherein the aromatic hydrocarbon moiety is selected from the group consisting of benzene, naphthalene and diphenyl ether, X is a member selected from the group consisting of --OH, --OR, ##STR22## phenoxy, benzyloxy and alkylphenoxy wherein R represents (1) a straight or branched chain alkyl having 1 to 12 carbon atoms, (2) cycloalkyl to 5 to 12 carbon atoms, (3) cycloalkenyl of 5 to 12 carbon atoms, or one of said groups (1) to (3) substituted by halogen, epoxy, nitro, amino, amido, ether, carboxyl, or ester groups, a is 2 to 20 but equals b+c+1, b is 0 to 19, c is 0 to 19, d is 0 to 2a and m is 0 to 10, there being at least two (--CH 2 X) groups per molecule, each --CH 2 O--CH 2 portion of the group [CH 2 (OCH 2 ) m OCH 2 ] counting as (--CH 2 X) for this purpose, the said groups (--CH 2 --), [--CH 2 (OCH 2 ) m OCH 2 --] and (-- CH 2 X) being bonded directly to a nuclear carbon atom of the aromatic hydrocarbon-containing radical.
Claim 3
Dependent Claim
12 words
A composition as claimed in claim 1, in which m is 0.
Claim 4
Dependent Claim
85 words
A composition as claimed in claim 1, in which A is unsubstituted other than by the said groups (--CH 2 --), [--CH 2 (OCH 2 ) m OCH 2 --] and (--CH 2 X) or is substituted additionally by one or two groups selected from halogen, alkyl of 1 to 4 carbon atoms, haloalkyl of 2 to 4 carbon atoms, and the group OR 3 where R 3 represents hydrogen, alkyl of 1 to 4 carbon atoms or acyl of 1 to 4 carbon atoms.
Claim 5
Dependent Claim
21 words
A composition as claimed in claim 1, in which greater than 50 mol % of radicals A are derived from naphthalene.
Claim 6
Dependent Claim
21 words
A composition as claimed in claim 4, in which more than 75 mol % of radicals A are derived from naphthalene.
Claim 7
Dependent Claim
41 words
A composition as claimed in claim 4, in which the naphthalene radicals are linked by (--CH 2 --O--CH 2 --) groups and the links are attached to the positions 1,4; 1,5; 1,6; 1,7; 2,5; 2,6 or 2,7 on the naphthalene nucleus.
Claim 8
Dependent Claim
23 words
A composition as claimed in claim 6, in which the links are attached to the 1,4 or 1,5 positions on the naphthalene nucleus.
Claim 9
Dependent Claim
21 words
A composition as claimed in claim 1, in which X is --OH, --OCH 3 , --OC 6 H 5 or ##STR23##
Claim 10
Dependent Claim
21 words
A composition as claimed in claim 1, in which the oligomer has a number average molecular weight of 300 to 3500.
Claim 11
Dependent Claim
21 words
A composition as claimed in claim 9, in which the oligomer has a number average molecular weight of 350 to 1500.
Claim 12
Dependent Claim
21 words
A composition as claimed in claim 10, in which the oligomer has a number average molecular weight of 400 to 1000.
Claim 13
Dependent Claim
24 words
A composition as claimed in claim 1, in which the ester (a) is derived from phosphoric acid, phosphonic acid, phosphinic acid or phosphorous acid.
Claim 14
Dependent Claim
24 words
A composition as claimed in claim 1, in which acid groups in partial esters are present as free acid groups or as a salt.
Claim 15
Dependent Claim
18 words
A composition as claimed in claim 1, in which the ester (a) is an ester of pentavalent phosphorus.
Claim 16
Dependent Claim
27 words
A composition as claimed in claim 14, in which ester (a) is a triaryl phosphate a tri-halo-alkyl phosphate a dialkyl aryl phosphate or a diaryl alkyl phosphate.
Claim 17
Dependent Claim
16 words
A composition as claimed in claim 1, in which the polymer contains at least 5% chlorine.
Claim 18
Dependent Claim
16 words
A composition as claimed in claim 16, in which the polymer contains more than 20% chlorine.
Claim 19
Dependent Claim
16 words
A composition as claimed in claim 17, in which the polymer contains more than 40% chlorine.
Claim 20
Dependent Claim
32 words
A composition as claimed in claim 1, in which the polymer is polyvinyl chloride, chlorinated polybutene, poly-chloroprene, poly-vinylidene chloride, chlorinated poly-4,4-dimethyl pentene, chlorinated polyethylene, chlorinated polypropylene, chlorinated polyethylene containing some chlorosulphonyl groups.
Claim 21
Dependent Claim
27 words
A composition as claimed in claim 1, in which components (a) and (b) are present in a ratio of from 0.1 to 10 to 10 to 0.1.
Claim 22
Dependent Claim
20 words
A composition as claimed in claim 20, in which the ratio of (a) and (b) is from 1:5 to 5:1.
Claim 23
Dependent Claim
20 words
A composition as claimed in claim 21, in which the ratio of (a) and (b) is from 1:5 to 3:1.
Claim 24
Dependent Claim
28 words
A composition as claimed in claim 1, in which 0.1 to 150 parts by weight of (a) plus (b) are used per 100 parts by weight of polymer.
Claim 25
Dependent Claim
25 words
A composition as claimed in claim 23, in which from 2 to 100 parts of (a) plus (b) are used per 100 parts of polymer.
Claim 26
Dependent Claim
24 words
A composition as claimed in claim 24, in which 5 to 25 parts of (a) plus (b) are used per 100 parts of polymer.
Claim 27
Dependent Claim
33 words
A composition as claimed in claim 1, in which the oligomer (b) is admixed with a compound of the formula ACH 2 X where A and X are as defined in claim 1.
Claim 28
Dependent Claim
45 words
A composition as claimed in claim 1, which also contains at least one member of the group consisting of a heat stabilizer, light stabilizer, antioxidant filler, pigment, lubricant, blowing agent, fungicide, Friedel Crafts catalyst or precursor thereof, extender, other fire retardant additive and smoke suppressant.
Claim 29
Dependent Claim
18 words
A composition as claimed in claim 1, which also includes a phosphorus-free plasticizer in admixture with ester (a).
Claim 30
Dependent Claim
22 words
A composition as claimed in claim 28, in which a phosphate ester is used with a phthalate ester or an adipate ester.
Claim 31
Dependent Claim
25 words
A composition as claimed in claim 27, in which the phosphorus acid ester is present in a concentration of at least 50% in such mixtures.
Claim 32
Dependent Claim
22 words
A composition as claimed in claim 30, in which the phosphorus acid ester is used in a concentration of at least 75%.
Claim 33
Dependent Claim
34 words
A composition as claimed in claim 28, in which the phosphorus acid ester comprises a haloalkyl phosphate either alone or with an aryl phosphate, and the amount of phosphorus-free plasticizer is up to 90%.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-06-10 | 1983-12-10 | 1984-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-06-10 | 1987-12-10 | 1988-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-06-10 | 1991-12-10 | 1992-06-10 | $7700.00 | Window Closed / Lapsed |