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US4296214A
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Methacrylic resin having a high solar radiant energy absorbing property and process for producing the same
Assignee: Mitsubishi Chemical Corp
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Filing: 1980-04-11
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Granted: 1981-10-20
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Expires: 2000-04-11
Abstract
Abstract A methacrylic resin having a high solar radiant energy absorbing property wherein an organic compound (A) containing cupric ion and a compound (B) having at least one P-O-H bond in a molecule are contained into the methacrylic resin selected from poly(methyl methacrylate) or methacrylic polymers containing at least 50% by weight of a methyl methacrylate unit. A process for producing said methacrylic resin is also disclosed.
Inventors
- 👤 Kazumasa Kamada
- 👤 Yoshio Nakai
- 👤 Kazunori Abe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:43
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/44; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16; C08F20/18
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
98 words
A methacrylic resin having a high solar radiant energy absorbing property wherein an organic compound (A) containing cupric ion in an amount of 0.01 to 5 parts by weight calculated as cupric ion and a compound (B) having at least one P--O--H bond in a molecule in an amount to be 0.1 to 10 mols per mol of the above mentioned organic compound (A) are contained per 100 parts by weight of a methacrylic resin selected from homopolymer of methyl methacrylate or copolymers of polymerizable unsaturated monomer mixture containing at least 50% by weight of a methyl methacrylate.
Claim 2
Dependent Claim
98 words
A methacrylic resin having a high solar radiant energy absorbing property wherein an organic compound (A) containing cupric ion in an amount of 0.01 to 5 parts by weight calculated as cupric ion and a compound (B) having at least one P--O--H bond in a molecule in an amount to be 0.1 to 10 mols per mol of the above mentioned organic compound (A) are contained per 100 parts by weight of a methacrylic resin selected from homopolymer of methyl methacrylate or copolymers of polymerizable unsaturated monomer mixture containing at least 50% by weight of a methyl methacrylate.
Claim 3
Dependent Claim
48 words
A methacrylic resin having a high solar radiant energy absorbing property according to claim 1, wherein the organic compound (A) containing cupric ion is selected from the group consisting of salts of carboxylic acid and cupric ion, and complex salts of acetylacetone or acetoacetic acid and cupric ion.
Claim 4
Dependent Claim
106 words
A methylacrylic resin having a high solar radiant energy absorbing property according to claim 1, wherein the compound (B) having at least one P--O--H bond in a molecule is selected from the group consisting of derivatives of phosphoric acid represented by the following formula ##STR2## (wherein R 1 is selected from alkyl, allyl, aryl, aralkyl, alkaryl, acryloxyalkyl and methacryloxyalkyl radicals of 1 to 18 carbon atoms and their derivatives and n is 1 or 2) and derivatives of phosphorous acid represented by the following formula (HO).sub.n --P--(OR.sup.1).sub.3-n (II) (wherein R 1 and n are respectively the same as are defined in the above mentioned formula (I)).
Claim 5
Dependent Claim
49 words
A methacrylic resin having a high solar radiant energy absorbing property according to claim 2, wherein the carboxylic acid is selected from the group consisting of formic acid, acetic acid, propionic acid, hexanoic acid, octanoic acid, decanoic acid, lauric acid, stearic acid, 2-ethylhexanoic acid, naphthenic acid and benzoic acid.
Claim 6
Dependent Claim
38 words
A methacrylic resin having a high solar radiant energy absorbing property according to claim 1, wherein from 0.01 to 1.0 part by weight of an ultraviolet ray absorbent is added per 100 parts by weight of methacrylic resin.
Claim 7
Dependent Claim
36 words
A methacrylic resin having a high solar radiant energy absorbing property according to claim 1, wherein from 0.0001 to 0.05 parts by weight of carbon black is added per 100 parts by weight of methacrylic resin.
Claim 8
Dependent Claim
115 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property which comprises polymerizing a polymerizable material selected from methyl methacrylate or a polymerizable unsaturated monomer mixture containing at least 50% by weight of methyl methacrylate or its partially polymerized product, including an organic compound (A) containing cupric ion in an amount of 0.01 to 5 parts by weight calculated as cupric ion per 100 parts by weight of above mentioned polymerizable material and a compound (B) having at least one P--O--H bond in a molecule in an amount to be 0.1 to 10 mols per mol of the above mentioned organic compound (A) in the presence of a radical polymerization initiator.
Claim 9
Dependent Claim
115 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property which comprises polymerizing a polymerizable material selected from methyl methacrylate or a polymerizable unsaturated monomer mixture containing at least 50% by weight of methyl methacrylate or its partially polymerized product, including an organic compound (A) containing cupric ion in an amount of 0.01 to 5 parts by weight calculated as cupric ion per 100 parts by weight of above mentioned polymerizable material and a compound (B) having at least one P--O--H bond in a molecule in an amount to be 0.1 to 10 mols per mol of the above mentioned organic compound (A) in the presence of a radical polymerization initiator.
Claim 10
Dependent Claim
51 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 7, wherein the organic compound (A) containing cupric ion is selected from the group consisting of salts of carboxylic acid and cupric ion, and complex salts of acetylacetone or acetoacetic acid and cupric ion.
Claim 11
Dependent Claim
109 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 7, wherein the compound (B) having at least one P--O--H bond in a molecule is selected from the group consisting of derivatives of phosphoric acid represented by the following formula ##STR3## (wherein R 1 is selected from alkyl, allyl, aryl, aralkyl, alkaryl, acryloxyalkyl and methacryloxyalkyl radicals of 1 to 18 carbon atoms and their derivatives and n is 1 or 2) and derivatives of phosphorous acid represented by the following formula (HO).sub.n --P--(OR.sup.1).sub.3-n (II) (wherein R 1 and n are respectively the same as are defined in the above mentioned formula (I)).
Claim 12
Dependent Claim
51 words
A process for producing methacrylic resin having a solar radiant energy absorbing property according to claim 8, wherein the carboxylic acid is selected from group of consisting of formic acid, acetic acid, propionic acid, hexanoic acid, octanoic acid, decanoic acid, lauric acid, stearic acid, 2-ethylhexanoic acid, naphthenic acid and benzoic acid.
Claim 13
Dependent Claim
38 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 7, wherein at least one of the radical polymerization initiator are selected from the group consisting of azo-compound and organic peroxide.
Claim 14
Dependent Claim
50 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 7, wherein at least one organic peroxide selected from the group consisting of di-tert.-butyl peroxide, tert.-butyl cumyl peroxide, dicumyl peroxide, α,α'-bis(tert.-butyl peroxy) hexane, and 2,5-dimethyl-2,5-di(tert.-butyl peroxy) hexine coexists with other radical polymerization initiator.
Claim 15
Dependent Claim
41 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 7, wherein from 0.01 to 1.0 part by weight of an ultraviolet ray absorbent is added per 100 parts by weight of methacrylic resin.
Claim 16
Dependent Claim
38 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 7, wherein from 0.0001 to 0.05 part by weight of carbon black is added per 100 parts by weight methacrylic resin.
Claim 17
Dependent Claim
33 words
A methacrylic resin having a high solar radiant energy absorbing property according to claim 1, wherein the visible light transmission thereof is equal to or higher than the solar radiant energy transmission thereof.
Claim 18
Dependent Claim
41 words
A methacrylic resin having a high solar radiant energy absorbing property according to claim 15, wherein the visible light transmission thereof is 70% or more and the solar radiant energy transmission is 70% or less for plate 5 mm in thickness.
Claim 19
Dependent Claim
43 words
A methacrylic resin having a high solar radiant energy absorbing property according to claim 16, wherein the visible light transmission thereof is 70% or more and the solar radiant energy transmission thereof is 60% or less for a plate 5 mm in thickness.
Claim 20
Dependent Claim
42 words
A methacrylic resin having a high solar radiant energy absorbing porperty according to claim 15, wherein the visible light transmission thereof is 60% or more and the solar radiant energy transmission thereof is 60% or less for plate 5 mm in thickness.
Claim 21
Dependent Claim
40 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 7, wherein the visible light transmission of the resin is equal to or higher than the solar radiant energy transmission of the same.
Claim 22
Dependent Claim
49 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 19, wherein the visible light transmission of the resin is 70% or more and the solar radiant energy transmission of the resin is 70% or less for plate 5 mm in thickness.
Claim 23
Dependent Claim
50 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 20, wherein the visible light transmission of the resin is 70% or more and the solar radiant energy transmission of the resin is 60% or less for a plate 5 mm in thickness.
Claim 24
Dependent Claim
50 words
A process for producing methacrylic resin having a high solar radiant energy absorbing property according to claim 19, wherein the visible light transmission of the resin is 60% or more and the solar radiant energy transmission of the resin is 60% or less for a plate 5 mm in thickness.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-10-19 | 1985-04-20 | 1985-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-19 | 1989-04-20 | 1989-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-19 | 1993-04-20 | 1993-10-20 | $7700.00 | Window Closed / Lapsed |