Patent US4656415A successfully refreshed from Google Patents.
Patent US5354611A successfully refreshed from Google Patents.
US4546145A
Expired / Lapsed
US
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Polymer composition
Assignee: Mitsubishi Chemical Corp
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Filing: 1984-08-14
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Granted: 1985-10-08
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Expires: 2004-08-14
Abstract
Abstract A polymer composition wherein an inorganic substance and an organic polymer are firmly consolidated, which is characterized by being produced by polymerizing a vinyl monomer susceptible to radical polymerization in a polymerization system containing a dispersed inorganic substance in the presence of at least one monomer selected from sulfonic acid monomers, sulfonate monomers, or carboxylic acid monomers represented by the general formula [I] <IMAGE> [I] wherein R1 is a hydrogen atom, alkyl group having 1 to 20 carbon atoms, phenyl group, derivative of phenyl group, or halogen atom, X is CONH, <IMAGE> COO(CH2)m or (CH2)n (wherein R2 and R3 are each a hydrogen atom or alkyl group having 1 to 15 carbon atoms, R4 is an alkylene group having 1 to 15 carbon atoms, m is an integer of 1 to 20, and n is an integer of 0 to 20), and Y is a hydrogen atom, ammonium radical, or an alkali metal atom, or by the general formula [II] <IMAGE> [II] wherein R5 is a hydrogen atom, alkyl group having 1 to 15 carbon atoms, COOZ, halogen atom, phenyl group, or derivative of phenyl group, R6 is a hydrogen atom, alkyl group having 1 to 15 carbon atoms, COOZ, halogen atom, phenyl group, or derivative of phenyl group, R7 is a hydrogen atom, alkyl group having 1 to 15 carbon atoms, halogen atom, phenyl group, or derivative of phenyl group, and Z is a hydrogen atom, ammonium radical, or alkali metal atom, or by the general formula [III] <IMAGE> [III] wherein R8 and R9 are each a hydrogen atom, alkyl group having 1 to 15 carbon atoms, halogen atom, phenyl group, or derivative of phenyl group.
Inventors
- 👤 Kazuo Kishida
- 👤 Isao Sasaki
- 👤 Nobuhiro Mukai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:33
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/44
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
183 words
A method of preparing a polymeric composition in which an inorganic substance is firmly consolidated in an organic polymer, comprising: heterogeneously polymerizing methyl methacrylate or a vinyl monomer mixture comprising methyl methacrylate as the major component without initiating the reaction with a radical polymerization initiator in a polymerization system containing said inorganic substance dispersed in an aqueous medium in the presence of at least one carboxylic acid monomer of the formula: ##STR9## wherein R 5 is a hydrogen atom, an alkyl group of 1 to 15 carbon atoms, COOZ, halogen, phenyl or a derivative of a phenyl group, R 6 is hydrogen, alkyl of 1 to 15 carbon atoms, COOZ, hydrogen, phenyl or derivative of a phenyl group, R 7 is a hydrogen, alkyl of 1 to 15 carbon atoms, halogen, phenyl or derivative of a phenyl group, and Z is a hydrogen, ammonium or an alkali metal atom, or at least one monomer of the formula: ##STR10## wherein R 8 and R 9 are each hydrogen, alkyl of 1 to 15 carbon atoms, halogen, phenyl or a derivative of a phenyl group.
Claim 2
Independent Claim
183 words
A method of preparing a polymeric composition in which an inorganic substance is firmly consolidated in an organic polymer, comprising: heterogeneously polymerizing methyl methacrylate or a vinyl monomer mixture comprising methyl methacrylate as the major component without initiating the reaction with a radical polymerization initiator in a polymerization system containing said inorganic substance dispersed in an aqueous medium in the presence of at least one carboxylic acid monomer of the formula: ##STR9## wherein R 5 is a hydrogen atom, an alkyl group of 1 to 15 carbon atoms, COOZ, halogen, phenyl or a derivative of a phenyl group, R 6 is hydrogen, alkyl of 1 to 15 carbon atoms, COOZ, hydrogen, phenyl or derivative of a phenyl group, R 7 is a hydrogen, alkyl of 1 to 15 carbon atoms, halogen, phenyl or derivative of a phenyl group, and Z is a hydrogen, ammonium or an alkali metal atom, or at least one monomer of the formula: ##STR10## wherein R 8 and R 9 are each hydrogen, alkyl of 1 to 15 carbon atoms, halogen, phenyl or a derivative of a phenyl group.
Claim 3
Dependent Claim
58 words
The method of claim 1, wherein the inorganic substance is at least one member selected from the group consisting of calcium sulfite, calcium sulfate, silicone dioxide, titanium oxide, antimony trioxide, talc, clay, aluminum oxide, calcium carbonate, carbon black, carbon fiber, glass fiber, graphite, nickel powder, iron powder, zinc powder, copper powder, iron oxide, zinc oxide and aluminum hydroxide.
Claim 4
Dependent Claim
18 words
The method of claim 1, wherein said carboxylic acid monomer is acrylic acid, methacrylic acid or crotonic acid.
Claim 5
Dependent Claim
21 words
The method of claim 1, wherein the weight ratio of monomer mixture to the inorganic substance ranges from 250:1 to 1:5.
Claim 6
Dependent Claim
24 words
The method of claim 1, wherein said polymerization reaction is conducted under an inert gas atmosphere at a temperature from 10° to 100° C.
Claim 7
Dependent Claim
36 words
The method of claim 1, wherein the amount of said monomer in the reaction medium ranges from 0.05 to 100% by weight based on the total amount of inorganic substance and monomer in the polymerization medium.
Claim 8
Independent Claim
173 words
A method of preparing a polymeric composition in which an inorganic substance is firmly consolidated in an organic polymer, comprising: heterogeneously polymerizing methyl methacrylate or a vinyl monomer mixture comprising methyl methacrylate as the major component without initiating the reaction with a radical polymerization initiator in a polymerization system containing said inorganic substance dispersed in an aqueous medium in the presence of at least one monomer of the formula: ##STR11## wherein R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a phenyl group, a derivative of phenyl group, or halogen atom, X is CONH, ##STR12## COO(CH 2 ) m or (CH 2 ) n , wherein R 2 and R 3 are each a hydrogen atom or alkyl group having 1 to 15 carbon atoms, R 4 is an alkylene group having 1 to 15 carbon atoms, m is an integer of 1 to 20, and n is an integer of 0 to 20, and Y is a hydrogen atom, ammonium radical, or an alkali metal atom.
Claim 9
Independent Claim
173 words
A method of preparing a polymeric composition in which an inorganic substance is firmly consolidated in an organic polymer, comprising: heterogeneously polymerizing methyl methacrylate or a vinyl monomer mixture comprising methyl methacrylate as the major component without initiating the reaction with a radical polymerization initiator in a polymerization system containing said inorganic substance dispersed in an aqueous medium in the presence of at least one monomer of the formula: ##STR11## wherein R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a phenyl group, a derivative of phenyl group, or halogen atom, X is CONH, ##STR12## COO(CH 2 ) m or (CH 2 ) n , wherein R 2 and R 3 are each a hydrogen atom or alkyl group having 1 to 15 carbon atoms, R 4 is an alkylene group having 1 to 15 carbon atoms, m is an integer of 1 to 20, and n is an integer of 0 to 20, and Y is a hydrogen atom, ammonium radical, or an alkali metal atom.
Claim 10
Dependent Claim
58 words
The method of claim 7, wherein the inorganic substance is at least one member selected from the group consisting of calcium sulfite, calcium sulfate, silicon dioxide, titanium oxide, antimony trioxide, talc, clay, aluminum oxide, calcium carbonate, carbon black, carbon fiber, glass fiber, graphite, nickel powder, iron powder, zinc powder, copper powder, iron oxide, zinc oxide and aluminum hydroxide.
Claim 11
Dependent Claim
21 words
The method of claim 7, wherein the weight ratio of monomer mixture to the inorganic substance ranges from 250:1 to 1:5.
Claim 12
Dependent Claim
23 words
The method of claim 7, wherein said polymerization reaction is conducted under an inert gas atmosphere at a temperature up to 100° C.
Claim 13
Dependent Claim
38 words
The method of claim 7, wherein the amount of said carboxylic acid monomer in the reaction medium ranges from 0.05 to 100% by weight based on the total amount of inorganic substance and monomer in the polymerization medium.
References Cited (Backward Citations)
US3997708A
Cited
US3897586A
Cited
US3935340A
Cited
US3884871A
Cited
US3946139A
Cited
JPS5146552A
Cited
JPS5231912A
Cited
US4184030A
Cited
US4230810A
Cited
US4435540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-07 | 1989-04-08 | 1989-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-07 | 1993-04-08 | 1993-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-07 | 1997-04-08 | 1997-10-08 | $7700.00 | Window Closed / Lapsed |