Patent US3856554A successfully refreshed from Google Patents.
Patent US4454284A successfully refreshed from Google Patents.
US4454284A
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Resin compositions containing polyphenylene oxide and olefin-glycidyl (meth)acrylate copolymer
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1981-12-21
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Granted: 1984-06-12
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Expires: 2001-12-21
Abstract
Abstract A resin composition comprising: (A) a polyphenylene oxide resin or a resin composition containing polyphenylene oxide, and (B) a copolymer of an olefin and glycidyl methacrylate and/or glycidyl acrylate. The aforesaid resin composition is excellent in processability, impact resistance and oil resistance as well as adhesiveness with inorganic fillers such as glass fiber, calcium carbonate, silica, titanium oxide, etc.
Inventors
- 👤 Katsuji Ueno
- 👤 Takashi Maruyama
- 👤 Kazuo Hayatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:27
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L51/00; C08L51/04; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; C08L61/00; C08L63/00; C08L67/00; C08L69/00; C08L77/00; C08L81/00; C08L83/00; C08L83/04; Y; Y10; Y10S; Y10S525/00; Y10S525/905
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
45 words
A melt-blended resin composition comprising a mixture of (A) a polyphenylene oxide resin or a resin composition containing polyphenylene oxide, and (B) a copolymer of an olefin and glycidyl methacrylate and/or glycidyl acrylate, containing said olefin in an amount of 1 to 99% by weight.
Claim 2
Dependent Claim
45 words
A melt-blended resin composition comprising a mixture of (A) a polyphenylene oxide resin or a resin composition containing polyphenylene oxide, and (B) a copolymer of an olefin and glycidyl methacrylate and/or glycidyl acrylate, containing said olefin in an amount of 1 to 99% by weight.
Claim 3
Dependent Claim
75 words
The resin composition according to claim 1, wherein the component (A) is a polyphenylene oxide resin which is one obtained by subjecting one or more of the phenols represented by the general formula: ##STR5## (wherein R 1 , R 2 , R 3 , R 4 and R 5 each represents hydrogen, a halogen, a hydrocarbon group or a substituted hydrocarbon group, and at least one of them is always hydrogen) to oxidative coupling polymerization.
Claim 4
Dependent Claim
43 words
The resin composition according to claim 2, wherein the phenol is at least one member selected from the group consisting of phenol, o-, m- or p-cresol, 2,6-, 2,5-, 2,4- or 3,5-dimethylphenol, 2-methyl-6-phenylphenol, 2,6-diphenylphenol, 2,6-diethylphenol, 2-methyl-6-ethylphenol, 2,3,5-, 2,3,6- or 2,4,6-trimethylphenol, 3-methyl-6-t-butylphenol, thymol and 2-methyl-6-allylphenol.
Claim 5
Dependent Claim
26 words
The resin composition according to claim 1, wherein the component (A) is a resin composition containing the polyphenylene oxide as defined above and other high-molecular compounds.
Claim 6
Dependent Claim
24 words
The resin composition according to claim 4, wherein the other high-molecular compound is polyolefins, polyamides, alkenylaromatic resins, rubber-modified alkenyl aromatic resins or rubbery polymers.
Claim 7
Dependent Claim
15 words
The resin composition according to claim 5, wherein the alkenylaromatic resin is a polystyrene resin.
Claim 8
Dependent Claim
53 words
The resin composition according to claim 5, wherein the rubbery polymer is a copolymer composed of 40-100% by weight of butadiene and 60-0% by weight of styrene, copolymer composed of 65-82% by weight of butadiene and 35-18% by weight of acrylonitrile, styrene-butadiene copolymer, styrene-butadiene-styrene block copolymer, styrene-grafted polybutadiene, ethylene-propylene copolymer or ethylene-propylene-diene copolymer.
Claim 9
Dependent Claim
21 words
The resin composition according to claim 1, wherein the olefin is ethylene, propylene, butene-1, isobutylene, pentene-1, hexene-1, heptene-1, octene-1, or dodecene-1.
Claim 10
Dependent Claim
23 words
The resin composition according to claim 1, wherein the content of the components (A) and (B) are 99.5-0.5 and 0.5-99.5% by weight, respectively.
Claim 11
Dependent Claim
54 words
The resin composition according to claim 1, wherein the component (A) is the polyphenylene oxide or a resin composition comprising the polyphenylene oxide and the alkenyl aromatic resin, the component (B) is a copolymer of an olefin and glycidyl methacrylate and/or glycidyl acrylate, and the content of the component (B) is 3-30% by weight.
Claim 12
Dependent Claim
53 words
The resin composition according to claim 1, wherein the component (A) is a resin composition containing a polyphenylene oxide, an alkenyl aromatic resin and a rubbery polymer, the component (B) is a copolymer of an olefin and glycidyl methacrylate and/or glycidyl acrylate, and the content of the component (B) is 0.5-20% by weight.
Claim 13
Dependent Claim
100 words
The resin composition according to claim 1, wherein the component (A) is a polyphenylene oxide resin, a resin composition comprising a polyphenylene oxide and an alkenylaromatic resin, or a resin composition containing a polyphenylene oxide, an alkenylaromatic resin and/or a rubbery polymer, and the component (B) is a copolymer of an olefin and glycidyl methacrylate and/or glycidyl acrylate, and an inorganic filler selected from the group consisting of glass fiber, calcium carbonate, silica, zinc oxide and titanium oxide is contained therein, the content of the component (B) being 1-40% by weight to the sum of the components (A) and (B).
Claim 14
Dependent Claim
18 words
The resin composition according to claim 1, which contains reinforcing materials, plasticizers, stabilizers, flame retardants, dyes or pigments.
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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) | 1987-06-12 | 1987-12-12 | 1988-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-12 | 1991-12-12 | 1992-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-12 | 1995-12-12 | 1996-06-12 | $7700.00 | Window Closed / Lapsed |