Solvent bonding method for polyolefin materials
First Claim
1. A method for using a polymeric cement to assemble medical devices comprising the steps of:
- providing a first article of a first low crystallinity polymer;
providing a second article of a second low crystallinity polymer;
wherein the first low crystallinity polymer and the second low crystallinity polymer are selected from the group consisting of;
(a) a homopolymer of a polyolefin, (b) a copolymer having a first monomer selected from the group consisting of propylene, butene, pentene, hexene, heptene, octene, nonene and decene, (c) ethylene copolymerized with monomers selected from the group of α
-olefins having 3-10 carbons, lower alkyl and lower alkene substituted carboxylic acids and esters and anhydride derivatives thereof, (d) ethylene-propylene rubbers, (e) EPDM, (f) ionomers, (g) homopolymers of cyclic olefins, (h) copolymers of cyclic olefins selected from the group consisting of substituted and unsubstituted cyclopentene, cyclopentadiene, cyclohexene, cyclohexadiene, cycloheptadiene, cyclooctene, and cyclooctadiene, copolymerized with a fourth monomer selected from the group consisting of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons, (i) homopolymers of bridged polycyclic hydrocarbons, and (j) and copolymers of bridged polycyclic hydrocarbons containing more than 7 carbons with a fifth monomer selected from the group of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons;
providing a cement composition having a first component of a polymer obtained from an addition-polymerization process, the polymer having a backbone containing a cyclic olefin or a bridged polycyclic hydrocarbon wherein the cyclic olefin or bridged polycyclic hydrocarbon constitutes at least about 20 mole percent of the backbone, and a second component of an effective amount of a hydrocarbon solvent having a solubility parameter of less than about 20 (MPa)1/2 and a molecular weight of less than about 200 g/mole;
applying the cement composition to one of the first and second articles to define a bonding area; and
attaching the first article to the second article along the bonding area to fixedly attach the first article to the second article.
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Abstract
The present invention provides a method for using a polymeric cement to assemble medical devices. The method includes the steps of: (1) providing a first article of a low crystallinity polymer; (2) providing a second article of a low crystallinity polymer; (3) providing a cement composition having a first component of a cyclic olefin containing polymer or a bridged polycyclic hydrocarbon containing polymer and a second component of an effective amount of a solvent having a solubility parameter of less than about 20 (MPa)1/2; applying the cement composition to one of the first and second articles to define a bonding area; and (4) attaching the first article to the second article along the bonding area to fixedly attach the first article to the second article.
50 Citations
65 Claims
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1. A method for using a polymeric cement to assemble medical devices comprising the steps of:
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providing a first article of a first low crystallinity polymer;
providing a second article of a second low crystallinity polymer;
wherein the first low crystallinity polymer and the second low crystallinity polymer are selected from the group consisting of;
(a) a homopolymer of a polyolefin, (b) a copolymer having a first monomer selected from the group consisting of propylene, butene, pentene, hexene, heptene, octene, nonene and decene, (c) ethylene copolymerized with monomers selected from the group of α
-olefins having 3-10 carbons, lower alkyl and lower alkene substituted carboxylic acids and esters and anhydride derivatives thereof,(d) ethylene-propylene rubbers, (e) EPDM, (f) ionomers, (g) homopolymers of cyclic olefins, (h) copolymers of cyclic olefins selected from the group consisting of substituted and unsubstituted cyclopentene, cyclopentadiene, cyclohexene, cyclohexadiene, cycloheptadiene, cyclooctene, and cyclooctadiene, copolymerized with a fourth monomer selected from the group consisting of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons,(i) homopolymers of bridged polycyclic hydrocarbons, and (j) and copolymers of bridged polycyclic hydrocarbons containing more than 7 carbons with a fifth monomer selected from the group of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons;
providing a cement composition having a first component of a polymer obtained from an addition-polymerization process, the polymer having a backbone containing a cyclic olefin or a bridged polycyclic hydrocarbon wherein the cyclic olefin or bridged polycyclic hydrocarbon constitutes at least about 20 mole percent of the backbone, and a second component of an effective amount of a hydrocarbon solvent having a solubility parameter of less than about 20 (MPa)1/2 and a molecular weight of less than about 200 g/mole;
applying the cement composition to one of the first and second articles to define a bonding area; and
attaching the first article to the second article along the bonding area to fixedly attach the first article to the second article. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method for using a polymeric cement to assemble medical devices comprising the steps of:
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providing a first article of a low crystallinity polymer;
providing a second article of a low crystallinity polymer;
wherein the first low crystallinity polymer and the second low crystallinity polymer are selected from the group consisting of;
(a) a homopolymer of a polyolefin, (b) a copolymer having a first monomer selected from the group consisting of propylene, butene, pentene, hexene, heptene, octene, nonene and decene, (c) ethylene copolymerized with monomers selected from the group of α
-olefins having 3-10 carbons, lower alkyl and lower alkene substituted carboxylic acids and esters and anhydride derivatives thereof,(d) ethylene-propylene rubbers, (e) EPDM, (f) ionomers, (g) homopolymers of cyclic olefins, (h) copolymers of cyclic olefins selected from the group consisting of substituted and unsubstituted cyclopentene, cyclopentadiene, cyclohexene, cyclohexadiene, cycloheptadiene, cyclooctene, and cyclooctadiene, copolymerized with a fourth monomer selected from the group consisting of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons,(i) homopolymers of bridged polycyclic hydrocarbons, and (j) and copolymers of bridged polycyclic hydrocarbons containing more than 7 carbons with a fifth monomer selected from the group of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons;
providing a cement composition comprising a first component obtained by copolymerizing a norbornene monomer and an ethylene monomer in an addition polymerization process, the norbornene monomer being present in an amount of at least about 20 mole percent of the copolymer, the first component being present in an amount from about 1% to about 20% by weight of the composition;
a second component of an effective amount of a solvent having a solubility parameter of 20 (MPa)1/2 and a molecular weight of less than about 200 g/mole; and
a third component of a first ethylene and α
-olefin copolymer, the third component being present in an amount from about 0% to about 10% by weight of the composition;
applying the cement composition to one of the first and second articles to define a bonding area; and
attaching the first article to the second article along the bonding area to fixedly attach the first article to the second article. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33)
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34. A medical device assembly comprising:
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a first article of a low crystallinity polymer;
a second article of a low crystallinity polymer;
wherein the first low crystallinity polymer and the second low crystallinity polymer are selected from the group consisting of;
(a) a homopolymer of a polyolefin, (b) a copolymer having a first monomer selected from the group consisting of propylene, butene, pentene, hexene, heptene, octene, nonene and decene, (c) ethylene copolymerized with monomers selected from the group of α
-olefins having 3-10 carbons, lower alkyl and lower alkene substituted carboxylic acids and esters and anhydride derivatives thereof,(d) ethylene-propylene rubbers, (e) EPDM, (f) ionomers, (g) homopolymers of cyclic olefins, (h) copolymers of cyclic olefins selected from the group consisting of substituted and unsubstituted cyclopentene, cyclopentadiene, cyclohexene, cyclohexadiene, cycloheptadiene, cyclooctene, and cyclooctadiene, copolymerized with a fourth monomer selected from the group consisting of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons,(i) homopolymers of bridged polycyclic hydrocarbons, and (j) and copolymers of bridged polycyclic hydrocarbons containing more than 7 carbons with a fifth monomer selected from the group of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons;
a cement composition fixedly attaching the first article to the second article, the composition having a first component of a polymer having a backbone containing monomers of a cyclic olefin or a bridged polycyclic hydrocarbon wherein the polymer is at least about 20 mole percent of the first component and is obtained by an addition polymerization process, and a second component of an effective amount of a solvent having a solubility parameter of less than about 20 (MPa)1/2 and a molecular weight of less than about 200 g/mole. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. A medical device assembly comprising:
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a first article of a low crystallinity polymer;
a second article of a low crystallinity polymer;
wherein the first low crystallinity polymer and the second low crystallinity polymer are selected from the group consisting of;
(a) a homopolymer of a polyolefin, (b) a copolymer having a first monomer selected from the group consisting of propylene, butene, pentene, hexene, heptene, octene, nonene and decene, (c) ethylene copolymerized with monomers selected from the group of α
-olefins having 3-10 carbons, lower alkyl and lower alkene substituted carboxylic acids and esters and anhydride derivatives thereof,(d) ethylene-propylene rubbers, (e) EPDM, (f) ionomers, (g) homopolymers of cyclic olefins, (h) copolymers of cyclic olefins selected from the group consisting of substituted and unsubstituted cyclopentene, cyclopentadiene, cyclohexene, cyclohexadiene, cycloheptadiene, cyclooctene, and cyclooctadiene, copolymerized with a fourth monomer selected from the group consisting of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons,(i) homopolymers of bridged polycyclic hydrocarbons, and (j) and copolymers of bridged polycyclic hydrocarbons containing more than 7 carbons with a fifth monomer selected from the group of α
-olefins having from 2-10 carbons, cyclic olefins, bridged polycyclic hydrocarbons and aromatic hydrocarbons; and
a cement composition connecting the first article to the second article comprising a first component obtained by copolymerizing a norbornene monomer and an ethylene monomer in an addition polymerization process, the norbornene monomer being present in an amount of at least about 20 mole percent of the copolymer, the first component being present in an amount from about 1% to about 30% by weight of the composition;
a second component of an effective amount of a solvent having a solubility parameter of less than about 20 (Mpa)1/2; and
an optional third component of a first ethylene and α
-olefin copolymer, the third component being in an amount from about 0% to about 10% by weight of the composition;
applying the cement composition to one of the first and second articles to define a bonding area; and
attaching the first article to the second article along the bonding area to fixedly attach the first article to the second article. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65)
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Specification