US4748169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyarylene sulfide resin composition
Assignee: DIC Corp
•
Filing: 1986-01-15
•
Granted: 1988-05-31
•
Expires: 2006-01-15
Abstract
Abstract A polyarylene sulfide resin composition comprising (A) 100 parts by weight of a polyarylene sulfide resin, (B) 0.01 to 30 parts of a polymer containing a fluoro-aliphatic group and having affinity for the resin (A) and a graft or block copolymer having affinity for the resin (A) and hydrophilicity and (C) 0 to 600 parts by weight of a filler. The composition is suitable for use as an encapsulation on material for electronic component parts and a coating agent.
Inventors
- 👤 Hitoshi Izutsu
- 👤 Toshihide Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:30
CPC Classifications
C; C08; C08L; C08L81/00; C08L81/02; C08L33/00; C08L33/02; C08L51/00; C08L53/00; C08L63/00; H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/032; H05K1/0333; H05K1/0353; H05K1/0373
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
146 words
A polyarylene sulfide resin composition useful for encapsulating electronic components by injection-molding, as a coating composition, or for molding into printed circuit boards, said composition comprising: (A) 100 parts by weight of polyarylene sulfide resin, (B) 0.01 to 30 parts by weight of a polymer containing a fluoroaliphatic group and having affinity for the resin (A), said polymer (B) being a random, block or graft copolymer of an unsaturated monomer containing a fluoroaliphatic group represented by the general formula (Rf--.sub.n X--A 1 wherein Rf represents a fluoroaliphatic group having 3 to 20 carbon atoms, X is ##STR11## R represents H or a hydrocarbon group having 1 to 10 carbon atoms, l is 1 to 10 and n is 1 or 2, and an unsaturated monomer containing an organic group having affinity for the resin (A), and (C) 0 to 600 parts by weight of a filler.
Claim 2
Dependent Claim
146 words
A polyarylene sulfide resin composition useful for encapsulating electronic components by injection-molding, as a coating composition, or for molding into printed circuit boards, said composition comprising: (A) 100 parts by weight of polyarylene sulfide resin, (B) 0.01 to 30 parts by weight of a polymer containing a fluoroaliphatic group and having affinity for the resin (A), said polymer (B) being a random, block or graft copolymer of an unsaturated monomer containing a fluoroaliphatic group represented by the general formula (Rf--.sub.n X--A 1 wherein Rf represents a fluoroaliphatic group having 3 to 20 carbon atoms, X is ##STR11## R represents H or a hydrocarbon group having 1 to 10 carbon atoms, l is 1 to 10 and n is 1 or 2, and an unsaturated monomer containing an organic group having affinity for the resin (A), and (C) 0 to 600 parts by weight of a filler.
Claim 3
Dependent Claim
38 words
The composition of claim 1 wherein the polyarylene sulfide resin (A) has a melt flow rate, measured by the method of ASTM D-1238-74 at 315.5° C. under a load of 5 kg, of 10 to 10000 g/10 minutes.
Claim 4
Dependent Claim
50 words
The composition of claim 1 wherein the polymer containing a fluoroaliphatic group contains at least one group selected from alkyl groups, alkylidene groups, aryl groups, acyl groups, a vinyl group, a vinylidene group, an ethylenic double bond, an amino group, an epoxy group, a polydimethylcyclohexane group and a mercapto group.
Claim 5
Dependent Claim
110 words
The composition of claim 1 wherein the unsaturated monomer containing an organic group is at least one compound selected from the group consisting of alkyl esters, cyclic alkyl esters, aromatic alkyl esters, aryl esters and glycidyl esters of acrylic acid, alpha-substituted acrylic acid and beta-substituted acrylic acid; alkyl-substituted amides of acrylic acid, alpha-substituted acrylic acid and beta-substituted acrylic acid; alkyl vinyl ethers, alicyclic alkyl vinyl ethers, aromatic alkyl vinyl ethers and aryl vinyl ethers; alkyl vinyl thioethers and aryl vinyl thioethers; fatty acid vinyl esters and aromatic carboxylic acid vinyl esters; styrene monomers; aminoalkyl esters of acrylic acid, alpha-substituted acrylic acid and beta-substituted acrylic acid; and glycidyl group-containing vinyl monomers.
Claim 6
Dependent Claim
21 words
The composition of claim 1 wherein the fluoroaliphatic group-containing polymer has a number average molecular weight of from 5,000 to 500,000.
Claim 7
Dependent Claim
132 words
An encapsulated electronic component comprising an electronic component encapsulated within an injection-molded composition comprising (A) 100 parts by weight of polyarylene sulfide resin, (B) 0.01to 30 parts by weight of a polymer containing a fluoroaliphatic group and having affinity for the resin (A), said polymer (B) being a random, block or graft copolymer of an unsaturated monomer containing a fluoroaliphatic group represented by the general formula (Rf--.sub.n X--A wherein Rf represents a fluoroaliphatic group having 3 to 20 carbon atoms, X is ##STR12## R represents H or a hydrocarbon group having 1 to 10 carbon atoms, l is 1 to 10 and n is 1 or 2, and an unsaturated monomer containing an organic group having affinity for the resin (A), and (C) 0 to 600 parts by weight of a filler.
Claim 8
Dependent Claim
132 words
An encapsulated electronic component comprising an electronic component encapsulated within an injection-molded composition comprising (A) 100 parts by weight of polyarylene sulfide resin, (B) 0.01to 30 parts by weight of a polymer containing a fluoroaliphatic group and having affinity for the resin (A), said polymer (B) being a random, block or graft copolymer of an unsaturated monomer containing a fluoroaliphatic group represented by the general formula (Rf--.sub.n X--A wherein Rf represents a fluoroaliphatic group having 3 to 20 carbon atoms, X is ##STR12## R represents H or a hydrocarbon group having 1 to 10 carbon atoms, l is 1 to 10 and n is 1 or 2, and an unsaturated monomer containing an organic group having affinity for the resin (A), and (C) 0 to 600 parts by weight of a filler.
Claim 9
Dependent Claim
128 words
A printed circuit board molded with a composition comprising: (A) 100 parts by weight of polyarylene sulfide resin, (B) 0.01 to 30 parts by weight of a polymer containing a fluoroaliphatic group and having affinity for the resin (A), said polymer (B) being a random, block or graft compolymer of an unsaturated monomer containing a fluoroaliphatic group represented by the general formula (Rf--.sub.n X--A wherein Rf represents a fluoroaliphatic group having 3 to 20 carbon atoms, X is ##STR13## R represents H or a hydrocarbon group having 1 to 10 carbon atoms, l is 1 to 10 and n is 1 or 2, and an unsaturated monomer containing an organic group having affinity for the resin (A), and (C) 0 to 600 parts by weight of a filler.
Claim 10
Dependent Claim
128 words
A printed circuit board molded with a composition comprising: (A) 100 parts by weight of polyarylene sulfide resin, (B) 0.01 to 30 parts by weight of a polymer containing a fluoroaliphatic group and having affinity for the resin (A), said polymer (B) being a random, block or graft compolymer of an unsaturated monomer containing a fluoroaliphatic group represented by the general formula (Rf--.sub.n X--A wherein Rf represents a fluoroaliphatic group having 3 to 20 carbon atoms, X is ##STR13## R represents H or a hydrocarbon group having 1 to 10 carbon atoms, l is 1 to 10 and n is 1 or 2, and an unsaturated monomer containing an organic group having affinity for the resin (A), and (C) 0 to 600 parts by weight of a filler.
References Cited (Backward Citations)
US988008A
Cited
JPS5545704A
Cited
UST988008I4
Cited
JPS57202344A
Cited
US4546141A
Cited
US4487879A
Cited
US4436865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-31 | 1991-11-30 | 1992-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-31 | 1995-11-30 | 1996-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-31 | 1999-11-30 | 2000-05-31 | $7700.00 | Window Closed / Lapsed |