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Method, composition and product produced by delayed gelation in the polymerization of cycloolefins

Assignee: Metton America Inc
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Filing: 1984-11-16
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Granted: 1986-07-01
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Expires: 2004-11-16
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Abstract

Abstract A composition and method for polymerization of cycloolefins using a feed stream including dialkylaluminum iodide and the cross-linked polymer produced. The polymer product may be formed by polymerization in an intricately shaped mold and/or be of ultra-low density. A trialkylaluminum compound or a dialkylaluminum chloride are preferably included with dialkylaluminum iodide.

Inventors

  • 👤 Douglas R. Leach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:57
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; C08G; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C08G61/08; C08J2345/00

Claims Analysis

Total Claims: 59
Claim 1
Independent Claim 38 words
A low solvent feed composition for polymerization of cyclic olefin having less than one percent of noncycloolefin solvent on a molar basis, comprising: (a) at least one cyclic olefin; and (b) an activator mixture comprising a dialkylaluminum iodide.
Claim 2
Dependent Claim 38 words
A low solvent feed composition for polymerization of cyclic olefin having less than one percent of noncycloolefin solvent on a molar basis, comprising: (a) at least one cyclic olefin; and (b) an activator mixture comprising a dialkylaluminum iodide.
Claim 3
Dependent Claim 14 words
The feed composition of claim 1 further comprising a trialkylaluminum or a dialkylaluminum chloride.
Claim 4
Dependent Claim 15 words
The composition of claim 2 wherein said dialkylaluminum iodide is diethylaluminum iodide or dioctylaluminum iodide.
Claim 5
Dependent Claim 10 words
The composition of claim 2 wherein said trialkylaluminum is trioctylaluminum.
Claim 6
Dependent Claim 12 words
The composition of claim 2 wherein said dialkylaluminum chloride is diethylaluminum chloride.
Claim 7
Dependent Claim 10 words
The composition of claim 2 wherein further comprising a catalyst.
Claim 8
Dependent Claim 16 words
The composition of claim 6 further comprising less than one percent solvent on a molar basis.
Claim 9
Dependent Claim 16 words
The composition of claim 6 wherein said catalyst is a tungsten oxyhalide or a tungsten halide.
Claim 10
Dependent Claim 11 words
The composition of claim 1 wherein said composition is solvent free.
Claim 11
Dependent Claim 10 words
The composition of claim 2 further comprising a blowing agent.
Claim 12
Dependent Claim 10 words
The composition of claim 2 further comprising a fluorinated surfactant.
Claim 13
Dependent Claim 8 words
The composition of claim 2 further comprising elastomer.
Claim 14
Dependent Claim 16 words
The composition of claim 2 wherein said cyclic olefin is dicyclopentadiene, norbornene, cyclopentene, dimethanooctahydronaphthalene or norbornadiene.
Claim 15
Dependent Claim 11 words
The composition of claim 13 wherein said cyclic olefin is dicyclopentadiene.
Claim 16
Dependent Claim 16 words
The composition of claim 13 wherein said cyclic olefin further comprises norbornene, cyclopentene, dimethanooctahydronaphthalene or norbornadiene.
Claim 17
Dependent Claim 10 words
The composition of claim 2 further comprising a nucleating agent.
Claim 18
Independent Claim 45 words
A method of making substantially cross-linked polymerized cyclic olefin, comprising: (a) providing a polymerization mixture comprising (i) at least one cyclic olefin, (ii) a catalyst, (iii) an activator mixture comprising dialkylaluminum iodide, and (b) polymerizing said polymerization mixture to form substantially cross-linked polymerized cyclic olefin.
Claim 19
Independent Claim 45 words
A method of making substantially cross-linked polymerized cyclic olefin, comprising: (a) providing a polymerization mixture comprising (i) at least one cyclic olefin, (ii) a catalyst, (iii) an activator mixture comprising dialkylaluminum iodide, and (b) polymerizing said polymerization mixture to form substantially cross-linked polymerized cyclic olefin.
Claim 20
Dependent Claim 14 words
The method of claim 17 further comprises a trialkylaluminum compound or a dialkylaluminum chloride.
Claim 21
Dependent Claim 14 words
The method of claim 18 wherein said polymerization mixture further comprises a blowing agent.
Claim 22
Dependent Claim 14 words
The method of claim 18 wherein said polymerization mixture further comprises a fluorinated surfactant.
Claim 23
Dependent Claim 12 words
The method of claim 18 wherein said polymerization mixture further comprises elastomer.
Claim 24
Dependent Claim 68 words
The method of claim 17 wherein said substantially cross-linked polymerized cyclic olefin is a thermoset polymer consisting essentially of polymerized units of dicyclopentadiene and has a notched Izod impact strength of at least 1.5 ft-lb/in notch, a flexural modulus of at least 150,000 psi and a percent gel swell determined after the polymer is immersed in toluene for two hours at 100° C. of less than about 200%.
Claim 25
Dependent Claim 16 words
The method of claim 18 wherein said cyclic olefin is dicyclopentadiene, norbornene, cyclopentene, dimethanooctahydronaphthalene or norbornadiene.
Claim 26
Dependent Claim 11 words
The method of claim 23 wherein said cyclic olefin comprises dicyclopentadiene.
Claim 27
Dependent Claim 16 words
The method of claim 24 wherein said cyclic olefin further comprises norbornene, cyclopentene, dimethanooctahydronaphthalene or norbornadiene.
Claim 28
Dependent Claim 23 words
A substantially cross-linked thermoset polymeric composition comprising: (a) substantially cross-linked polymerized units of at least one cyclic olefin, and (b) a dialkylaluminum iodide.
Claim 29
Dependent Claim 23 words
A substantially cross-linked thermoset polymeric composition comprising: (a) substantially cross-linked polymerized units of at least one cyclic olefin, and (b) a dialkylaluminum iodide.
Claim 30
Dependent Claim 14 words
The composition of claim 26 further comprising a trialkylaluminum compound or a dialkylaluminum chloride.
Claim 31
Dependent Claim 10 words
The composition of claim 27 wherein said composition is cellular.
Claim 32
Dependent Claim 16 words
The composition of claim 27 wherein the density of said composition is 1.25 g/ml or less.
Claim 33
Dependent Claim 17 words
The composition of claim 27 wherein the density of said composition is from 0.8 to 0.04 g/ml.
Claim 34
Dependent Claim 10 words
The composition of claim 27 further comprising a fluorinated surfactant.
Claim 35
Dependent Claim 10 words
The composition of claim 27 further comprising a nucleating agent.
Claim 36
Dependent Claim 11 words
The composition of claim 26 wherein said cyclic olefin is dicyclopentadiene.
Claim 37
Dependent Claim 20 words
A cross-linked thermoset polymerized dicyclopentadiene foam composition having a density of 0.18 g/ml or less comprising polymerized units of dicyclopentadiene.
Claim 38
Dependent Claim 20 words
A cross-linked thermoset polymerized dicyclopentadiene foam composition having a density of 0.18 g/ml or less comprising polymerized units of dicyclopentadiene.
Claim 39
Dependent Claim 10 words
The composition of claim 34 further comprising a fluorinated surfactant.
Claim 40
Dependent Claim 8 words
The composition of claim 34 further comprising elastomer.
Claim 41
Independent Claim 50 words
A method of mold filling for polymerization of cyclic olefin to form cross-linked cyclic olefin comprising: (a) providing a polymerization mixture comprising (i) cyclic olefin; (ii) activator comprising dialkylaluminum iodide; and (b) conveying said polymerization mixture to mold means, and allowing said mixture to polymerize to form a molded product.
Claim 42
Independent Claim 50 words
A method of mold filling for polymerization of cyclic olefin to form cross-linked cyclic olefin comprising: (a) providing a polymerization mixture comprising (i) cyclic olefin; (ii) activator comprising dialkylaluminum iodide; and (b) conveying said polymerization mixture to mold means, and allowing said mixture to polymerize to form a molded product.
Claim 43
Dependent Claim 17 words
The method of claim 37 wherein said activator further comprises a trialkylaluminum compound or a dialkylaluminum chloride.
Claim 44
Dependent Claim 16 words
The method of claim 38 wherein said cyclic olefin is dicyclopentadiene, norbornene, cyclopentene, dimethanooctahydronaphthalene or norbornadiene.
Claim 45
Dependent Claim 11 words
The method of claim 38 wherein said cyclic olefin comprises dicyclopentadiene.
Claim 46
Dependent Claim 16 words
The method of claim 36 wherein said cyclic olefin further comprises norbornene, cyclopentene, dimethanooctahydronaphthalene or norbornadiene.
Claim 47
Dependent Claim 12 words
The method of claim 37 wherein said polymerization mixture further comprises elastomer.
Claim 48
Dependent Claim 18 words
The method of claim 37 wherein said polymerization mixture further comprises a dialkylaluminum chloride or a trialkylaluminum compound.
Claim 49
Dependent Claim 14 words
The method of claim 37 wherein said polymerization mixture further comprises a fluorinated surfactant.
Claim 50
Dependent Claim 14 words
The method of claim 37 wherein said polymerization mixture further comprises a blowing agent.
Claim 51
Dependent Claim 24 words
The method of claim 37 wherein said mold means comprises a pour mold and said conveying comprises pouring whereby said product is pour molded.
Claim 52
Dependent Claim 24 words
The method of claim 37 wherein said mold means comprises a spray mold and said conveying comprises spraying whereby said product is spray molded.
Claim 53
Dependent Claim 31 words
The method of claim 37 wherein said mold means comprises a reaction injection mold and said conveying comprises fluid transfer along a pressure gradient from a supply means to said mold.
Claim 54
Dependent Claim 45 words
A low solvent metathesis catalysis activator composition comprising: (a) two molar percent of less solvent; and (b) an activator said activator comprising a dialkylaluminum iodide and a trialkylaluminum or a dialkylaluminum chloride and a polycyclo-olefin and not more than 3% by weight of non-cycloolefin solvent.
Claim 55
Dependent Claim 45 words
A low solvent metathesis catalysis activator composition comprising: (a) two molar percent of less solvent; and (b) an activator said activator comprising a dialkylaluminum iodide and a trialkylaluminum or a dialkylaluminum chloride and a polycyclo-olefin and not more than 3% by weight of non-cycloolefin solvent.
Claim 56
Dependent Claim 10 words
The composition of claim 49 wherein said polycycloolefin is dicyclopentadiene.
Claim 57
Dependent Claim 12 words
The composition of claim 50 wherein said dialkylaluminum iodide to diethylaluminum iodide.
Claim 58
Dependent Claim 21 words
The composition off claim 49 wherein the ratio of dialkylaluminum iodide to trialkylaluminum or dialkylaluminum chloride is from 3:1 to 2.4:1.
Claim 59
Dependent Claim 9 words
The composition of claim 49 comprising substantially no solvent.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-06-30 1989-12-30 1990-07-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-06-30 1993-12-30 1994-07-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-06-30 1997-12-30 1998-07-01 $7700.00 Window Closed / Lapsed

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