US4923943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metathesis polymerized copolymer
Assignee: Metton America Inc
•
Filing: 1988-03-14
•
Granted: 1990-05-08
•
Expires: 2008-03-14
Abstract
Abstract A cross-linked copolymer comprising repeating units derived from a mixture comprising metathesis polymerizable cyclic compounds such as dicyclopentadiene and carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety, a process for producing the copolymer, a process for producing a molded article from the copolymer and a polymerizable composition therefor.
Inventors
- 👤 Shigeyoshi Hara
- 👤 Zen-ichiro Endo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:21
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C08G61/08
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
72 words
A metathesis polymerized cross-linked copolymer comprising: (a) 50-99 mole % of repeating units derived from at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of repeating units derived from at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety.
Claim 2
Dependent Claim
72 words
A metathesis polymerized cross-linked copolymer comprising: (a) 50-99 mole % of repeating units derived from at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of repeating units derived from at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety.
Claim 3
Dependent Claim
21 words
A copolymer of claim 1 in which the metathesis polymerizable cyclic compounds (a) contain at least 50 mole % of dicyclopentadiene.
Claim 4
Dependent Claim
30 words
A copolymer of claim 1 in which the content of the repeating units (a) is 65-97 mole % and the content of the repeating units (b) is 35-3 mole %.
Claim 5
Dependent Claim
17 words
A copolymer of claim 1 in which the ester compounds (b) are (5-norbornenyl)methyl-5'-norbornenyl-carboxylate, 5-norbornenyl-5'-norbornenylcarboxylate, (5-norbornenyl)methyl-5'-(5'-methylnorbornenyl)carboxylate and bis[(5-norbornenyl)]-nadicate.
Claim 6
Dependent Claim
81 words
A process for producing a cross-linked copolymer, which comprises metathesis polymerizing, in the presence of a metathesis polymerization catalyst system, a mixture comprising: (a) 50-99 mole % of at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety.
Claim 7
Dependent Claim
81 words
A process for producing a cross-linked copolymer, which comprises metathesis polymerizing, in the presence of a metathesis polymerization catalyst system, a mixture comprising: (a) 50-99 mole % of at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety.
Claim 8
Dependent Claim
21 words
A process of claim 5 in which the metathesis polymerizable cyclic compounds (a) contain at least 50 mole % of dicyclopentadiene.
Claim 9
Dependent Claim
28 words
A process of claim 5 in which the mixture comprises 65-97 mole % of the cyclic compounds (a) and 35-3 mole % of the carboxylic acid esters (b).
Claim 10
Dependent Claim
18 words
A process of claim 5 in which the carboxylic acid esters (b) are (5-norbornenyl)methyl-5'-norbornenyl-carboxylate, 5-norbornenyl-5'-norbornenylcarboxylate, (5-norbornenyl)methyl-5'-(5'-methylnorbornenyl)carboxylate and bis[(5-norbornenyl)]-nadicate.
Claim 11
Dependent Claim
104 words
A process for producing a molded article by introducing a reactive liquid mixture comprising metathesis polymerizable monomers and a metathesis polymerization catalyst system into a mold in which said liquid mixture is metathesis polymerized in bulk to produce the molded article, said metathesis polymerizable monomers comprising: (a) 50-99 mole % of at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety.
Claim 12
Dependent Claim
104 words
A process for producing a molded article by introducing a reactive liquid mixture comprising metathesis polymerizable monomers and a metathesis polymerization catalyst system into a mold in which said liquid mixture is metathesis polymerized in bulk to produce the molded article, said metathesis polymerizable monomers comprising: (a) 50-99 mole % of at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety.
Claim 13
Dependent Claim
21 words
A process of claim 9 in which the metathesis polymerizable cyclic compounds (a) contain at least 50 mole % of dicyclopentadiene.
Claim 14
Dependent Claim
28 words
A process of claim 9 in which the mixture comprises 65-97 mole % of the cyclic compounds (a) and 35-3 mole % of the carboxylic acid esters (b).
Claim 15
Dependent Claim
18 words
A process of claim 9 in which the carboxylic acid esters (b) are (5-norbornenyl)methyl-5'-norbornenyl-carboxylate, 5-norbornenyl-5'-norbornenylcarboxylate, (5-norbornenyl)methyl-5'-(5'-methylnorbornenyl)carboxylate and bis[(5-norbornenyl)]-nadicate.
Claim 16
Dependent Claim
10 words
A molded article produced by the process of claim 9.
Claim 17
Dependent Claim
98 words
A multi-part polymerizable composition comprising metathesis polymerizable monomers and a metathesis polymerization catalyst system, said metathesis polymerizable monomers comprising: (a) 50-99 mole % of at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety, said metathesis polymerization catalyst system comprising a catalyst component and an activator component which are not present in the same part.
Claim 18
Dependent Claim
98 words
A multi-part polymerizable composition comprising metathesis polymerizable monomers and a metathesis polymerization catalyst system, said metathesis polymerizable monomers comprising: (a) 50-99 mole % of at least one of metathesis polymerizable cyclic compounds containing at least 30 mole %, based on total moles of the metathesis polymerizable cyclic compounds, of dicyclopentadiene, and (b) 50-1 mole % of at least one of carboxylic acid esters of which the acid residue and alcohol residue have individually at least one norbornene-moiety, said metathesis polymerization catalyst system comprising a catalyst component and an activator component which are not present in the same part.
Claim 19
Dependent Claim
19 words
A composition of claim 14 in which the cyclic compounds (a) contain at least 50 mole % of dicyclopentadiene.
Claim 20
Dependent Claim
30 words
A composition of claim 14 in which said metathesis polymerizable monomers comprise 65-97 mole % of the cyclic compounds (a) and 35-3 mole % of the carboxylic acid esters (b).
Claim 21
Dependent Claim
18 words
A composition of claim 14 in which the carboxylic acid esters (b) are (5-norbornenyl)methyl-5'-norbornenylcarboxylate, 5-norbornenyl-5'-norbornenylcarboxylate, (5-norbornenyl)methyl-5'-(5'-methylnorbornenyl)carboxylate and bis[(5-norbornenyl)]-nadicate.
References Cited (Backward Citations)
US4657981A
Cited
US3789042A
Cited
US4380617A
Cited
US4469809A
Cited
EP0084888A1
Cited
US4400340A
Cited
US4520181A
Cited
US4507453A
Cited
US4661575A
Cited
US4485208A
Cited
US4436858A
Cited
US4426502A
Cited
EP0096877A1
Cited
US4426506A
Cited
US4418178A
Cited
US4418179A
Cited
US4604408A
Cited
US4481344A
Cited
US4535097A
Cited
US4496668A
Cited
US4458037A
Cited
US4496669A
Cited
US4598102A
Cited
US4604447A
Cited
EP0181640A1
Cited
US4689380A
Cited
US4607077A
Cited
JPS61293208A
Cited
US4703098A
Cited
JPH05324400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-07 | 1993-11-06 | 1994-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-07 | 1997-11-06 | 1998-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-07 | 2001-11-06 | 2002-05-08 | $7700.00 | Window Closed / Lapsed |