Patent US1930982A successfully refreshed from Google Patents.
EP0137574A2
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Method and catalyst for polymerizing a cationic polymerizable monomer
Assignee: Uniroyal Chemical Co Inc
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Filing: 1984-03-08
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Granted: —
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Expires: 2004-03-08
Abstract
Abstract Disclosed is a process for polymerizing cationically polymerizable monomers comprising: (A) providing a solution containing an activated catalyst, said catalyst comprising (a) an aluminum compound having the formula R n AlX 3-n , wherein n is an integer from 0 to 3; R is C 1 -C 12 alkyl, C 7 -C 9 aralkyl, C 7 -C 18 alkaryl or C 6 -C 10 aryl; and X is Cl, Br or I; and (b) (1) a compound having the formula R'X, wherein X is Cl, Br or I and R' is C 1 -C 24 , alkyl, C 3 -C 20 alkenyl, C 5 -C 9 bridged or non-bridged cycloalkyl or cycloalkenyl, C 7 -C 9 aralkyl or (2) a hydrocarbon polymer carrying at least one X substituent wherein X is Cl, Br or l; and (B) contacting cationically polymerizable monomers with the solution of activated catalyst of (A). Novel catalyst compositions for use in the process are also described.
Inventors
- 👤 Aspet V. Merijanian
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 08:04
CPC Classifications
C; C10; C10G; C10G50/00; C10G50/02; B; B01; B01J; B01J31/00; B01J31/02; B01J31/0231; B01J31/12; B01J31/14; B01J31/143; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; C07C2531/00; C07C2531/02; C07C2531/06; C07C2531/12; C07C2531/14
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
154 words
A process for polymerizing cationically polymerizable monomers characterised in that the process comprises: (A) providing a solution containing an activated catalyst comprising (a) an aluminum compound having theformula R n A1X 3-n wherein n is an integer from 0 to 3; R is C 1 - C 12 alkyl, C 7 - C 18 alkaryl or C 6 - C 10 aryl; and X is Cl, Br or I; and (b) (1) a compound having the formula R'X, which is reactive with (a), wherein X is Cl, Br or I and R' is C 1 - C 24 alkyl, C 3 - C 20 alkenyl, C 5 - C 9 bridged or non-bridged cycloalkyl or cycloalkenyl, C 7 - C 9 aralkyl or (2) a hydrocarbon polymer carrying at least one X substituent wherein X is Cl, Br or I; and (B) contacting cationically polymerizable monomers with the solution of activated catalyst of (A).
Claim 2
Dependent Claim
154 words
A process for polymerizing cationically polymerizable monomers characterised in that the process comprises: (A) providing a solution containing an activated catalyst comprising (a) an aluminum compound having theformula R n A1X 3-n wherein n is an integer from 0 to 3; R is C 1 - C 12 alkyl, C 7 - C 18 alkaryl or C 6 - C 10 aryl; and X is Cl, Br or I; and (b) (1) a compound having the formula R'X, which is reactive with (a), wherein X is Cl, Br or I and R' is C 1 - C 24 alkyl, C 3 - C 20 alkenyl, C 5 - C 9 bridged or non-bridged cycloalkyl or cycloalkenyl, C 7 - C 9 aralkyl or (2) a hydrocarbon polymer carrying at least one X substituent wherein X is Cl, Br or I; and (B) contacting cationically polymerizable monomers with the solution of activated catalyst of (A).
Claim 3
Dependent Claim
59 words
A process according to claim 1 characterised in that said catalyst solution of (A) contains a solvent (c) toluene, xylene or a C 1 - C 12 hydrocarbon having F, Cl or Br substituents, said solvent being essentially inert to the mixture of (a) and (b), said solvent being present in an amount sufficient to solubilize the activated catalyst.
Claim 4
Dependent Claim
19 words
A process according to claim 2 characterised in that said solvent has a boiling point of at least 30°C.
Claim 5
Dependent Claim
30 words
A process according to the preceding claims characterised in that said hydrocarbon polymer is selected from poly(vinyl chloride), poly(vinylidene chloride), halogenated poly(alpha-olefins), halogenated polydienes, halogenated paraffins and halogenated naphthenic oils.
Claim 6
Dependent Claim
15 words
A process according to the preceding claims characterised in the the polymerization temperature is 0-200°C.
Claim 7
Dependent Claim
15 words
A process according to the preceding claims characterised in that the polymerization temperature is 10-80°C.
Claim 8
Dependent Claim
18 words
A process according to the preceding claims characterised in that said activated catalyst is essentially completely in solution.
Claim 9
Dependent Claim
165 words
A catalyst composition characterised in that is comprises: (a) an aluminum compound having the formula R n A1X 3 -n wherein n is an integer from 0 to 3; R is C 1 - C 12 alkyl, C 7 - C 9 aralkyl, C 7 - C 18 alkaryl or C 6 - C 10 aryl; and X is Cl, Br or I; and (b) an activator having the formula R'X wherein X has the meanings above, and R' is C 2 - C 24 alkyl, C 3 - C 20 alkenyl, C 5 - C 9 bridged or non-bridged cycloalkyl or cycloalkenyl, C 7 - C 9 aralkyl or is a hydrocarbon polymer carrying at least one X substituent wherein X has the meaning above, and where the R'/X weight ratio of the R'X activator is from 9.5/1 to 1/8.1; with the proviso that at least one X substituent of the R'X activator is not attached to a carbon atom carrying another X substituent.
Claim 10
Dependent Claim
165 words
A catalyst composition characterised in that is comprises: (a) an aluminum compound having the formula R n A1X 3 -n wherein n is an integer from 0 to 3; R is C 1 - C 12 alkyl, C 7 - C 9 aralkyl, C 7 - C 18 alkaryl or C 6 - C 10 aryl; and X is Cl, Br or I; and (b) an activator having the formula R'X wherein X has the meanings above, and R' is C 2 - C 24 alkyl, C 3 - C 20 alkenyl, C 5 - C 9 bridged or non-bridged cycloalkyl or cycloalkenyl, C 7 - C 9 aralkyl or is a hydrocarbon polymer carrying at least one X substituent wherein X has the meaning above, and where the R'/X weight ratio of the R'X activator is from 9.5/1 to 1/8.1; with the proviso that at least one X substituent of the R'X activator is not attached to a carbon atom carrying another X substituent.
Claim 11
Dependent Claim
40 words
A composition according to claim 8 further comprising as a solvent (c) toluene, xylene or a C 1 - C 12 hydrocarbon having F, Cl or Br substituents, said solvent being essentially inert to the mixture of (a) and (b).
Claim 12
Dependent Claim
19 words
A composition according to claim 9 characterised in that the (c)/(a+b) ratio is from 1/99 to 95/5 by weight.
Claim 13
Dependent Claim
19 words
A composition according to claim 10 characterised in that said (c)/(a+b) ratio is from 75/25 to 90/10 by weight.
Claim 14
Dependent Claim
28 words
A process or composition as claimed in any of the preceding claims characterised in that the overall X/Al molar ratio of (a) plus (b) is at least 3.1/1.
Claim 15
Dependent Claim
23 words
A process or composition as claimed in any of the preceding claims characterised in that said X/Al ratio is at least 4/1 molar.
Claim 16
Dependent Claim
29 words
A process or composition according to any of the preceding claims characterised in that the R'/X weight ratio of the activator R'X of (b) is from 9.5/1 to 1/8.1.
Claim 17
Dependent Claim
23 words
A process or composition according to any of the preceding claims characterised in that the X/Al ratio is from 4/1 to 12/1 molar.
References Cited (Backward Citations)
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