Patent US924562A successfully refreshed from Google Patents.
Patent US5357005A successfully refreshed from Google Patents.
US5357005A
Expired / Lapsed
US
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Reactive surface functionalization
Assignee: International Business Machines Corp
•
Filing: 1991-12-11
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Granted: 1994-10-18
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Expires: 2011-12-11
Abstract
Abstract Method for treating surface of dielectric polymer with water vapor plasma to form reactive sites and grafting a reactive polymer thereto to tailor the properties of the dielectric polymer surface.
Inventors
- 👤 Stephen L. Buchwalter
- 👤 Charles R. Davis
- 👤 Ronald D. Goldblatt
- 👤 Richard R. Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:38
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/123; B; B05; B05D; B05D3/00; B05D3/14; B05D3/141; B05D3/142; B05D3/144; B29; B29C; B29C59/00; B29C59/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31721
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
224 words
A method comprising treating a dielectric polymer selected from the group consisting of: polyamides, polyesters, polyurethanes, polysiloxanes, phenolics, polysulfides, polyacetals, polyethylenes, polyisobutylenes, polyacrylonitriles, polyvinylchlorides, polystyrenes, polymethylmethacrylates, polyvinylacetates, polytetrafluoroethylenes, polyisoprenes, polycarbonates, polyethers, polyimides, polybenzimidazoles, polybenzoxazoles, polybenzothiazoles, polyoxadiazoles, polytriazoles, polyquinoxalines, polyimidazopyrrolones and copolymers containing an aromatic constituent and a constituent selected from a vinyl and cyclobutane group, said constituents containing at least one of the group of Si, Ge, Ti, Zn and Fe, by exposing said dielectric polymer to a water vapor plasma wherein said water vapor containing plasma is generated in an electric field from an electric power of from about 10 -3 watts/cm 3 to about 1000 watts/cm 3 at a temperature of from about ambient to about the glass transition temperature of said treated polymer body and a pressure in the range from about 10 -6 atmospheres to about 5 atmospheres for a period of time ranging from about 0.1 minute to about 1 hour, to form reactive sites on the surface of said dielectric polymer; contacting said treated dielectric polymer surface with a composition of matter selected from the group consisting of an epoxy compound, an acid chloride, an isocyanate, or prepolymers of said epoxy compound, said acid chloride or said isocyanate, said composition reacting with said reactive sites to graft said composition of matter thereon and forming a reaction product thereon.
Claim 2
Independent Claim
224 words
A method comprising treating a dielectric polymer selected from the group consisting of: polyamides, polyesters, polyurethanes, polysiloxanes, phenolics, polysulfides, polyacetals, polyethylenes, polyisobutylenes, polyacrylonitriles, polyvinylchlorides, polystyrenes, polymethylmethacrylates, polyvinylacetates, polytetrafluoroethylenes, polyisoprenes, polycarbonates, polyethers, polyimides, polybenzimidazoles, polybenzoxazoles, polybenzothiazoles, polyoxadiazoles, polytriazoles, polyquinoxalines, polyimidazopyrrolones and copolymers containing an aromatic constituent and a constituent selected from a vinyl and cyclobutane group, said constituents containing at least one of the group of Si, Ge, Ti, Zn and Fe, by exposing said dielectric polymer to a water vapor plasma wherein said water vapor containing plasma is generated in an electric field from an electric power of from about 10 -3 watts/cm 3 to about 1000 watts/cm 3 at a temperature of from about ambient to about the glass transition temperature of said treated polymer body and a pressure in the range from about 10 -6 atmospheres to about 5 atmospheres for a period of time ranging from about 0.1 minute to about 1 hour, to form reactive sites on the surface of said dielectric polymer; contacting said treated dielectric polymer surface with a composition of matter selected from the group consisting of an epoxy compound, an acid chloride, an isocyanate, or prepolymers of said epoxy compound, said acid chloride or said isocyanate, said composition reacting with said reactive sites to graft said composition of matter thereon and forming a reaction product thereon.
Claim 3
Dependent Claim
13 words
The method defined in claim 1, wherein the epoxy resin is diglycidyl ether.
Claim 4
Dependent Claim
37 words
The method defined in claim 1, wherein said epoxy resin has an epoxide equivalent weight between about 1600 and 2000 and is dissolved in methyl isobutyl ketone and a reaction occurs in the presence of N,N-dimethylbenzylamine catalyst.
Claim 5
Dependent Claim
20 words
The method defined in claim 3, wherein said reaction product is further reacted by contacting it with a cyclic anhydride.
Claim 6
Dependent Claim
20 words
The method described in claim 4, wherein said reaction product is reacted further by contacting it with nadic methyl anhydride.
Claim 7
Dependent Claim
19 words
The method described in claim 4, wherein said reaction product is reacted further by contacting it with hexahydrophthalic anhydride.
Claim 8
Dependent Claim
20 words
The method described in claim 4, wherein said reaction product is reacted further by contacting it with methyl tetrahydrophthalic anhydride.
Claim 9
Dependent Claim
19 words
The method described in claim 4, wherein said reaction product is reacted further by contacting it with phthalic anhydride.
Claim 10
Dependent Claim
19 words
The method described in claim 4, wherein said reaction product is reacted further by contacting it with maleic anhydride.
Claim 11
Dependent Claim
20 words
The method described in claim 4, wherein said reaction product is reacted further by contacting it with noneyl succinic anhydride.
Claim 12
Dependent Claim
19 words
The method described in claim 4, wherein said reaction product is reacted further by contacting it with succinic anhydride.
Claim 13
Dependent Claim
15 words
The method defined in claim 1, wherein said composition of matter is an acid chloride.
Claim 14
Dependent Claim
14 words
The method defined in claim 12, wherein said composition of matter is malonyl dichloride.
Claim 15
Dependent Claim
14 words
The method defined in claim 12, wherein said composition of matter is 4-(cyano)benzoyl chloride.
Claim 16
Dependent Claim
14 words
The method defined in claim 12, wherein said composition of matter is 4-(trifluoromethyl) benzoylchloride.
Claim 17
Dependent Claim
14 words
The method defined in claim 1 wherein said composition of matter is an isocyanate.
Claim 18
Dependent Claim
15 words
The method defined in claim 16, wherein said composition of matter is 2 4-tolylene diisocyanate.
Claim 19
Dependent Claim
14 words
The method defined in claim 16, wherein said composition of matter is methylene bis(4-phenylisocyanate).
Claim 20
Dependent Claim
13 words
The method defined in claim 16, wherein said composition of matter is polyphenylisocyanate.
Claim 21
Dependent Claim
19 words
The method defined in claim 1, wherein said composition of matter is a prepolymer that is a structoset prepolymer.
Claim 22
Dependent Claim
14 words
The method defined in claim 20, wherein said structoset prepolymer is a structoterminal prepolymer.
Claim 23
Dependent Claim
14 words
The method defined in claim 2, wherein said structoset prepolymer is a structopendant prepolymer.
Claim 24
Dependent Claim
13 words
The method defined in claim 1, wherein said composition of matter is: ##STR15##
Claim 25
Dependent Claim
35 words
The method defined in claim 1, wherein said composition of matter is: ##STR16## wherein the average value for n is between about 0.2 and 1.6 and the epoxy functionality is between about 2.2 and 3.6.
Claim 26
Dependent Claim
15 words
The method defined in claim 1, wherein said composition of matter is 1,4-butanediol diglycidyl ether.
Claim 27
Dependent Claim
14 words
The method defined in claim 1, wherein said composition of matter is triglycidyl isocyanurate.
Claim 28
Dependent Claim
19 words
The method defined in claim 1, wherein said composition of matter is N,N,N 1 ,N 1 -tetraglycidyl-4,4 1 -methylenebisbenzenamine.
Claim 29
Dependent Claim
20 words
The method defined in claim 1, wherein said composition of matter is: ##STR17## having a theoretical functionality of about 3.0.
Claim 30
Dependent Claim
35 words
The method defined in claim 20, wherein said composition of matter is: ##STR18## wherein the average value for n is between about 0.7 and 3.4 and the epoxy functionality is between about 2.7 and 5.4.
Claim 31
Dependent Claim
20 words
The method defined in claim 1, wherein said composition of matter is an alicylic diepoxy carboxylate having the formula: ##STR19##
Claim 32
Dependent Claim
11 words
The method defined in claim 1 wherein said polymer is polyimide.
Claim 33
Dependent Claim
17 words
The method defined in claim 31 wherein said polyimide is the reaction product of PMDA and ODA.
Claim 34
Dependent Claim
13 words
The method defined in claim 32 wherein said acid chloride is malonyl dichloride.
Claim 35
Dependent Claim
11 words
The method defined in claim 3 wherein said polymer is polyimide.
Claim 36
Dependent Claim
17 words
The method defined in claim 31 wherein said polyimide is the reaction product of BPDA and PDA.
References Cited (Backward Citations)
US5019210A
Cited
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