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US4210449A Expired / Lapsed US ⏱️ 0.0 years remaining

Radiation sensitive composition comprising copolymer of glycidyl methacrylate and allyl glycidyl ether and diazonium salt of complex halogenide

Assignee: Primerica Inc
•
Filing: 1975-02-04
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Granted: 1980-07-01
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Expires: 1995-02-04
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Abstract

Abstract Copolymers of glycidyl methacrylate and allyl glycidyl ether having pendant epoxy groups, having an inherent viscosity of at least about 0.25, preferably within the range of about 0.25 to about 0.38, and an epoxy equivalent of at least about 0.65 epoxide equivalent per 100 g. of polymer are provided which upon admixture with a radiation-sensitive aryldiazonium salt provide compositions which exhibit improved sensitivity, curing rates and other properties. Articles for recording and storing information from a laser source and other articles such as microfilm are derived from such compositions by subjecting a coated substrate to an energy source of sufficient intensity to decompose the radiation-sensitive catalyst and thus effect polymerization via the epoxy groups of the copolymer.

Inventors

  • 👤 Sheldon I. Schlesinger
  • 👤 Veronica Cochran

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 23:32
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/021; G03F7/0212; G03F7/0217; C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/32; C08F220/325; Y; Y10; Y10S; Y10S430/00; Y10S430/143; Y10S430/146

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 181 words
A composition of matter comprising, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to about 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 per 100 grams of polymer and, as a latent curing catalyst, an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid effective to initiate polymerization, said catalyst being present in an amount sufficient to effect polymerization of said copolymer and being selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is halogen, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorus and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m .
Claim 2
Dependent Claim 181 words
A composition of matter comprising, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to about 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 per 100 grams of polymer and, as a latent curing catalyst, an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid effective to initiate polymerization, said catalyst being present in an amount sufficient to effect polymerization of said copolymer and being selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is halogen, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorus and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m .
Claim 3
Dependent Claim 17 words
A composition of matter as claimed in claim 1 wherein said aromatic diazonium salt is 2,5-diethoxy-4-(p-tolylthio)benzenediazonium hexafluorophosphate.
Claim 4
Dependent Claim 26 words
A composition of matter as claimed in claim 1 in which said copolymer has an inherent viscosity within the range of about 0.25 to about 0.38.
Claim 5
Dependent Claim 29 words
A composition as claimed in claim 3 in which said copolymer has an epoxide equivalent within the range of about 0.65 to about 0.74 per 100 g. of polymer.
Claim 6
Dependent Claim 195 words
As an article of manufacture, a composite sheet, comprising: a support; and, in surface contact therewith, a radiation-responsive organic-solvent-soluble layer of substantially uniform thickness containing, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to about 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 epoxide equivalent per 100 g. of polymer and, as a latent curing catalyst an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid, selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is halogen, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorus and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m , and said latent curing agent having had substantially no exposure to radiation.
Claim 7
Dependent Claim 195 words
As an article of manufacture, a composite sheet, comprising: a support; and, in surface contact therewith, a radiation-responsive organic-solvent-soluble layer of substantially uniform thickness containing, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to about 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 epoxide equivalent per 100 g. of polymer and, as a latent curing catalyst an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid, selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is halogen, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorus and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m , and said latent curing agent having had substantially no exposure to radiation.
Claim 8
Dependent Claim 23 words
The article of manufacture of claim 5 wherein said copolymer has an inherent viscosity within the range of about 0.25 to about 0.38.
Claim 9
Dependent Claim 24 words
The article of manufacture of claim 5 wherein said support is selected from the group consisting of metal, glass, plastic, silicon, paper and rubber.
Claim 10
Dependent Claim 16 words
The article of manufacture of claim 7 wherein said aromatic diazonium salt is 2,5-diethoxy-4-(p-tolylthio)benzene diazonium hexafluorophosphate.
Claim 11
Dependent Claim 182 words
A composition of matter comprising, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 per 100 grams of polymer and, as a latent curing catalyst, an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid effective to initiate polymerization, said catalyst being present in an amount sufficient to effect polymerization of said copolymer and being selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is chlorine or fluorine, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorous and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m .
Claim 12
Dependent Claim 182 words
A composition of matter comprising, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 per 100 grams of polymer and, as a latent curing catalyst, an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid effective to initiate polymerization, said catalyst being present in an amount sufficient to effect polymerization of said copolymer and being selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is chlorine or fluorine, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorous and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m .
Claim 13
Dependent Claim 16 words
A composition as defined in claim 9 wherein said complex halogenide is an aryl diazonium hexafluorophosphate.
Claim 14
Dependent Claim 91 words
A composition of matter comprising, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity within the range of about 0.25 to about 0.38 and an epoxide equivalent within the range of about 0.65 to about 0.74 per 100 grams of polymer and, as a latent curing catalyst, 2,5-diethoxy-4-p-(tolylthio) benzene diazonium hexafluorophosphate, said catalyst being present in an amount sufficient to effect polymerization of said copolymer upon exposure to irradiation.
Claim 15
Dependent Claim 91 words
A composition of matter comprising, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity within the range of about 0.25 to about 0.38 and an epoxide equivalent within the range of about 0.65 to about 0.74 per 100 grams of polymer and, as a latent curing catalyst, 2,5-diethoxy-4-p-(tolylthio) benzene diazonium hexafluorophosphate, said catalyst being present in an amount sufficient to effect polymerization of said copolymer upon exposure to irradiation.
Claim 16
Dependent Claim 196 words
As an article of manufacture, a composite sheet, comprising: a support; and, in surface contact therewith, a radiation-responsive organic-solvent-soluble layer of substantially uniform thickness containing, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 epoxide equivalent per 100 g. of polymer and, as a latent curing catalyst an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid, selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is chlorine or fluorine, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorus and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m , and said latent curing agent having had substantially no exposure to radiation.
Claim 17
Dependent Claim 196 words
As an article of manufacture, a composite sheet, comprising: a support; and, in surface contact therewith, a radiation-responsive organic-solvent-soluble layer of substantially uniform thickness containing, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity of at least about 0.25 and an epoxide equivalent of at least about 0.65 epoxide equivalent per 100 g. of polymer and, as a latent curing catalyst an aromatic diazonium salt of a complex halogenide which decomposes upon exposure to electromagnetic or electron beam irradiation to release a Lewis Acid, selected from compounds having the general formula (ArN 2 ) m (MX n+m ) wherein Ar is an aryl or substituted aryl group, X is chlorine or fluorine, M is selected from the group consisting of arsenic, antimony, bismuth, iron, tin, phosphorus and boron, n is the oxidation state of M, and m is the number of diazonium groups in the diazonium salt as determined by the net charge on the complex anion (MX n+m ) -m , and said latent curing agent having had substantially no exposure to radiation.
Claim 18
Dependent Claim 19 words
An article of manufacture as defined in claim 12 in which said complex halogenide is an aryl diazonium hexafluorophosphate.
Claim 19
Dependent Claim 103 words
As an article of manufacture; a composite sheet, comprising: a support; and, in surface contact therewith, a radiation-responsive organic-solvent-soluble layer of substantially uniform thickness containing, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to about 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity within the range of about 0.25 to about 0.38 and an epoxide equivalent within the range of about 0.65 to about 0.74 per 100 grams of polymer, and, as a latent curing catalyst, 2,5-diethoxy-4-(p-tolylthio) benzene diazonium hexafluorophosphate, said catalyst having had substantially no exposure to radiation.
Claim 20
Dependent Claim 103 words
As an article of manufacture; a composite sheet, comprising: a support; and, in surface contact therewith, a radiation-responsive organic-solvent-soluble layer of substantially uniform thickness containing, in admixture, a copolymer of glycidyl methacrylate and allyl glycidyl ether, derived from about 4 to about 5 moles of glycidyl methacrylate per mole of allyl glycidyl ether, having an inherent viscosity within the range of about 0.25 to about 0.38 and an epoxide equivalent within the range of about 0.65 to about 0.74 per 100 grams of polymer, and, as a latent curing catalyst, 2,5-diethoxy-4-(p-tolylthio) benzene diazonium hexafluorophosphate, said catalyst having had substantially no exposure to radiation.

References Cited (Backward Citations)

US3396019A Cited
US3074869A Cited
US3205157A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-07-01 1983-12-31 1984-07-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-07-01 1987-12-31 1988-07-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-07-01 1991-12-31 1992-07-01 $7700.00 Window Closed / Lapsed

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