Cyclic conjugated diene polymer and method of producing same
First Claim
1. A cyclic conjugated diene polymer comprising a main chain represented by the following formula (I):
- ##STR12## wherein A to E are monomer units constituting said main chain in which monomer units A to E are arranged in any order, and l to p are, respectively, weight percentages of monomer units A to E, based on the total weight of monomer units A to E;
wherein;
A is selected from the class consisting of cyclic conjugated diene monomer units each being independently represented by the following formula (III);
##STR13## wherein each R2 independently represents a hydrogen atom, a halogen atom, a C1 -C20 alkyl group, a C2 -C20 unsaturated aliphatic hydrocarbon group, a C5 -C20 aryl group, a C3 -C20 cycloalkyl group, a C4 -C20 cyclodienyl group or a 5 to 10-membered heterocyclic group having at least one nitrogen, oxygen or sulfur atom as a heteroatom,B is selected from the class consisting of chain conjugated diene monomer units,C is selected from the class consisting of vinyl aromatic monomer units,D is selected from the class consisting of polar monomer units, andE is selected from the class consisting of an ethylene monomer unit and α
-olefin monomer units; and
wherein;
l to p satisfy the following requirements;
space="preserve" listing-type="equation">l+m+n+o+p=100,
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Abstract
Disclosed is a cyclic conjugated diene polymer comprising a main chain represented by the formula (I): ##STR1## wherein A to E are monomer units constituting the main chain in which A to E are arranged in any order, and l to p are, respectively, weight percentages of A to E, based on the total weight of A to E; A is selected from cyclic conjugated diene monomer units, B is selected from chain conjugated diene monomer units, C is selected from vinyl aromatic monomer units, D is selected from polar monomer units, and E is selected from an ethylene monomer unit and α-olefin monomer units; and l to p satisfy the following requirements: 0.5≦l≦100, 0≦m, n, o, p<100, wherein when l=100 and the A monomer units are comprised of monomer units which are the same, the polymer has a number average molecular weight Mn of from 40,000 to 5,000,000, wherein when l=100 and the A monomer units are comprised of monomer units which are different, the polymer has an Mn of from 25,000 to 5,000,000, and wherein when 0.5≦l<100, the polymer has an Mn of from 500 to 5,000,000. The cyclic conjugated diene polymer has excellent thermal and mechanical properties. The polymer can be advantageously produced using a catalyst comprised of a complex of an organometallic compound containing a Group IA metal with a complexing agent, especially an amine.
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Citations
35 Claims
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1. A cyclic conjugated diene polymer comprising a main chain represented by the following formula (I):
- ##STR12## wherein A to E are monomer units constituting said main chain in which monomer units A to E are arranged in any order, and l to p are, respectively, weight percentages of monomer units A to E, based on the total weight of monomer units A to E;
wherein; A is selected from the class consisting of cyclic conjugated diene monomer units each being independently represented by the following formula (III);
##STR13## wherein each R2 independently represents a hydrogen atom, a halogen atom, a C1 -C20 alkyl group, a C2 -C20 unsaturated aliphatic hydrocarbon group, a C5 -C20 aryl group, a C3 -C20 cycloalkyl group, a C4 -C20 cyclodienyl group or a 5 to 10-membered heterocyclic group having at least one nitrogen, oxygen or sulfur atom as a heteroatom,B is selected from the class consisting of chain conjugated diene monomer units, C is selected from the class consisting of vinyl aromatic monomer units, D is selected from the class consisting of polar monomer units, and E is selected from the class consisting of an ethylene monomer unit and α
-olefin monomer units; andwherein; l to p satisfy the following requirements;
space="preserve" listing-type="equation">l+m+n+o+p=100, - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
- ##STR12## wherein A to E are monomer units constituting said main chain in which monomer units A to E are arranged in any order, and l to p are, respectively, weight percentages of monomer units A to E, based on the total weight of monomer units A to E;
-
2. 5≦
- l≦
100,
space="preserve" listing-type="equation">0≦
m<
100,
space="preserve" listing-type="equation">0≦
n<
100,
space="preserve" listing-type="equation">0≦
o<
100,and
space="preserve" listing-type="equation">0≦
p<
100,with the proviso that when l=100 and said A monomer units are comprised of cyclic conjugated diene monomer units which are the same, said cyclic conjugated diene polymer has a number average molecular weight of from 40,000 to 5,000,000, that when l=100 and said A monomer units are comprised of cyclic conjugated diene monomer units which are different, said cyclic conjugated diene polymer has a number average molecular weight of from 25,000 to 5,000,000, and that when 0.5≦
l<
100, said cyclic conjugated diene polymer is a block copolymer which contains at least one polymer block consisting of at least two A monomer units, and has a number average molecular weight of from 500 to 5,000,000.
- l≦
-
15. A method for producing a cyclic conjugated diene polymer comprising a main chain represented by the following formula (I):
- ##STR14## wherein A to E are monomer units constituting said main chain in which monomer units A to E are arranged in any order, and l to p are, respectively, weight percentages of monomer units A to E, based on the total weight of monomer units A to E;
wherein; A is selected from the class consisting of cyclic conjugated diene monomer units, B is selected from the class consisting of chain conjugated diene monomer units, C is selected from the class consisting of vinyl aromatic monomer units, D is selected from the class consisting of polar monomer units, and E is selected from the class consisting of an ethylene monomer unit and α
-olefin monomer units; andwherein; l to p satisfy the following requirements;
space="preserve" listing-type="equation">l+m+n+o+p=100,
- ##STR14## wherein A to E are monomer units constituting said main chain in which monomer units A to E are arranged in any order, and l to p are, respectively, weight percentages of monomer units A to E, based on the total weight of monomer units A to E;
-
16. 5≦
- l<
100,
space="preserve" listing-type="equation">0≦
m<
100,
space="preserve" listing-type="equation">0≦
n<
100
space="preserve" listing-type="equation">0≦
o<
100,and
space="preserve" listing-type="equation">0≦
p<
100,which comprises polymerizing at least one cyclic conjugated diene monomer, or at least one cyclic conjugated diene monomer and at least one comonomer copolymerizable therewith in the presence of a catalyst comprised of a complex of at least one organometallic compound containing a metal belonging to Group IA of the Periodic Table with at least one complexing agent, said at least one comonomer being selected from the class consisting of chain conjugated diene monomers, vinyl aromatic monomers, polar monomers, an ethylene monomer, and α
-olefin monomers.
- l<
Specification