US4703074A
Expired / Lapsed
US
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Polyphenylene sulfide resin composition containing mixture of silicon compounds
Assignee: DIC Corp
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Filing: 1986-05-16
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Granted: 1987-10-27
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Expires: 2006-05-16
Abstract
Abstract A polyphenylene sulfide resin composition comprising (1) a polyphenylene sulfide resin having a melt flow value of at least 1,000 g/min., (2) silicic acid and/or a silicate, and (3) a silane compound composed of a vinylsilane and an aminosilane and/or an epoxysilane.
Inventors
- 👤 Hitoshi Izutsu
- 👤 Toshihide Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:39
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/12; C; C08; C08K; C08K3/00; C08K3/34; C08K5/00; C08K5/54
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
49 words
A polyphenylene sulfide resin composition comprising (1) a polyphenylene sulfide resin having a melt flow value of at least 1,000 g/min., (2) silicic acid, a silicate, or mixture thereof, and (3) a silane compound composed of (a) a vinyl lane and (b) an aminosilane, an epoxysilane or mixture thereof.
Claim 2
Dependent Claim
49 words
A polyphenylene sulfide resin composition comprising (1) a polyphenylene sulfide resin having a melt flow value of at least 1,000 g/min., (2) silicic acid, a silicate, or mixture thereof, and (3) a silane compound composed of (a) a vinyl lane and (b) an aminosilane, an epoxysilane or mixture thereof.
Claim 3
Dependent Claim
20 words
The composition of claim 1 wherein the polyphenylene sulfide resin has a melt flow value of at least 3,000 g/min.
Claim 4
Dependent Claim
44 words
The composition of claim 1 wherein silicic acid, the silicate salt, or mixture thereof is at least one material selected from the group consisting of amorphous or crystalline silica, silica beads, silica fibers, talc, mica, glass fibers, glass balloons, glass beads and calcium silicate.
Claim 5
Dependent Claim
73 words
The composition of claim 1 wherein the vinylsilane is a compound represented by the general formula ##STR12## wherein R' represents a hydrocarbon group having 1 to 3 carbon atoms, Q represents a hydrolyzable group having affinity for, or reactivity with, silicic acid and the silicate, X represents a hydrocarbon group having 1 to 15 carbon taoms, m is an integer of at least 1, and n is an integer of 1 to 3.
Claim 6
Dependent Claim
95 words
The composition of claim 1 wherein the aminosilane is a compound represented by the general formula ##STR13## wherein Y is NH 2 , NHR or N(R) 2 in which R represents a hydrocarbon group having 1 to 15 carbon atoms, R' represents a hydrocarbon group having 1 to 3 carbon atoms, Q represents a hydrolyzable group having affinity for, or reactivity with, silicic acid and the silicate, X represents a hydrocarbon group having 1 to 15 carbon atoms, m represents an integer of at least 1, and n represents an integer of 1 to 3.
Claim 7
Dependent Claim
87 words
The composition of claim 1 wherein the epoxysilane is a compound represented by the general formula ##STR14## wherein Z is ##STR15## X represents a hydrocarbon group having 1 to 5 carbon atoms, R' represents a hydrocarbon group having 1 to 3 carbon atoms, Q represents a hydrolylzable group having affinity for, or reactivity with, silicic acid and the silicate, X represents a hydrocarbon group having 1 to 15 carbon atoms, m represents an integer of at least 1, and n represents an integer of 1 to 3.
Claim 8
Dependent Claim
29 words
The composition of claim 1 wherein the amount of silicic acid, the silicate, or mixture thereof is 15 to 80% by weight based on the weight of the composition.
Claim 9
Dependent Claim
25 words
The composition of claim 1 wherein the amount of the silane compound is 0.01 to 10% by weight based on the weight of the composition.
Claim 10
Dependent Claim
53 words
An electronic component part encapsulated with a polyphenylene sulfide resin composition comprising (1) a polyphenylene sulfide resin having a melt flow value or at least 1,000 g/min., (2) silicic acid, a silicate, or mixture thereof, and (3) a silane compound composed of a vinylsilane and (b) an aminosilane, an epoxysilane, or mixture thereof.
Claim 11
Dependent Claim
53 words
An electronic component part encapsulated with a polyphenylene sulfide resin composition comprising (1) a polyphenylene sulfide resin having a melt flow value or at least 1,000 g/min., (2) silicic acid, a silicate, or mixture thereof, and (3) a silane compound composed of a vinylsilane and (b) an aminosilane, an epoxysilane, or mixture thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1990-10-26 | 1991-04-27 | 1991-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-26 | 1995-04-27 | 1995-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-26 | 1999-04-27 | 1999-10-27 | $7700.00 | Window Closed / Lapsed |