EP0268765A2
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EP
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Resin comprising a polyphenylene sulfide/polyphenylene sulfone block copolymer, process for preparing the copolymer and molded article
Assignee: DIC Corp
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Filing: 1987-09-07
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Granted: —
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Expires: 2007-09-07
Abstract
Abstract A resin composition comprising a block copolymer composed of polyphenylene sulfide segments and polyphenylene sulfide sulfone segments and at least one polymer selected from polyphenylene sulfides, polyphenylene sulfide sulfones, polysulfones, polyphenylene oxides, polyarylates, polycarbonates and polyetherimides, and optionally a filler.
Inventors
- 👤 Juheiji Kawabata
- 👤 Manabu Chiba
- 👤 Toshinori Sugie
- 👤 Fumihiro Kobata
- 👤 Hitoshi Izutsu
- 👤 Toshio Inoue
- 👤 Takayuki Mine
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 16:01
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/301; C; C08; C08G; C08G75/00; C08G75/02; C08G75/0204; C08G75/0236; C08G75/0245; C08G75/20; C08L; C08L81/00; C08L81/02; C08L81/06; C08L67/00; C08L69/00; C08L71/00; C08L71/08; C08L71/10; C08L71/12
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
40 words
A resin composition comprising a block copolymer composed of polyphenylene sulfide segments and polyphenylene sulfide sulfone segments and at least one polymer selected from polyphenylene sulfides, polyphenylene sulfide sulfones, polysulfones, polyphenylene oxides, polyarylates, polycarbonates and polyetherimides, and optionally a filler.
Claim 2
Dependent Claim
40 words
A resin composition comprising a block copolymer composed of polyphenylene sulfide segments and polyphenylene sulfide sulfone segments and at least one polymer selected from polyphenylene sulfides, polyphenylene sulfide sulfones, polysulfones, polyphenylene oxides, polyarylates, polycarbonates and polyetherimides, and optionally a filler.
Claim 3
Dependent Claim
53 words
The composition of claim 1 wherein the polyphenylene sulfide segments have a logarithmic viscosity [η] of 0.03 to 0.80, said logarithmic viscosity being determined by at 206°C for its solution in alphachloronaphthalene in a polymer concentration of 0.4 g/100 ml of solution and calculated in accordance with the equation [η]=ℓn (relative viscosity)/polymer concentration.
Claim 4
Dependent Claim
68 words
The composition of claim 1 wherein the polyphenylene sulfide sulfone segments of the block copolymer have a logarithmic viscosity η inh of 0.05 to 1.0, said logarithmic viscosity η inh being determined at 30°C for its solution in a phenol/1,1,2,2-tetrachloroethane (3:2 by weight) mixed solvent in a polymer concentration of 0.5/ 100 ml of solution and calculated in accordance with the equation η inh =ℓn (relative viscosity)/polymer concentration.
Claim 5
Dependent Claim
26 words
The composition of claim 1 wherein the weight ratio of the polyphenylene sulfide segments of the polyphenylene sulfide sulfone segments in the block copolymer is 1-99/99-1.
Claim 6
Dependent Claim
51 words
The composition of claim 1 wherein the block copolymer has a logarithmic viscosity of 0.03 to 1.0, said logarithmic viscosity [η] being determined at 206°C for its solution in alpha-chloronaphthalene in a polymer concentration of 0.4 g/100 ml of solution and calculated in accordance with the equation [η]=ℓn (relative viscosity)/polymer concentration.
Claim 7
Dependent Claim
38 words
The composition of claim 1 which comprises 3 to 100 parts by weight of the block copolymers by weight of at least one polymer selected from polyphenylene sulfides, polyphenylene sulfide sulfones, polysulfones, polyphenylene oxides, polyarylates, polycarbonates and polyetherimides.
Claim 8
Dependent Claim
79 words
A resin composition for encapsulating electronic component parts, said resin composition comprising a block copolymer composed of polyphenylene sulfide segments and polyphenylene sulfide sulfone segments, at least one polymer selected form polyphenylene sulfides, polyphenylene sulfide sulfones, polysulfones, polyphenylene oxides, polyarylates, polycarbonates and polyetherimides, and a filler, and having a melt viscosity, determined at 320°C under a load of 10 kg using an orifice with a diameter of 1 mm and a length of 2mm, of 200 to 2,000 poises.
Claim 9
Dependent Claim
79 words
A resin composition for encapsulating electronic component parts, said resin composition comprising a block copolymer composed of polyphenylene sulfide segments and polyphenylene sulfide sulfone segments, at least one polymer selected form polyphenylene sulfides, polyphenylene sulfide sulfones, polysulfones, polyphenylene oxides, polyarylates, polycarbonates and polyetherimides, and a filler, and having a melt viscosity, determined at 320°C under a load of 10 kg using an orifice with a diameter of 1 mm and a length of 2mm, of 200 to 2,000 poises.
Claim 10
Dependent Claim
10 words
A molded article prepared from the composition of claim 1.
Claim 11
Dependent Claim
10 words
The molded article of claim 8 which is a film.
Claim 12
Dependent Claim
11 words
An electronic component part encapsulated with the composition of claim 7.
Claim 13
Dependent Claim
131 words
A process for producing a block copolymer composed of polyphenylene sulfide segments and polyphenylene sulfide sulfone segments and having a logarithmic viscosity [η] of 0.03 to 1.0, said logarithmic viscosity [η] being determiend at 206°C for its solution in alpha-chloronaphthalene in a polymer concentration of 0.4 g/100 ml of solution and calculate in accordance with the equation [η]=ℓn (relative viscosity)/polymer concentration, which comprises reacting a polyphenylene sulfide prepolymer in an amide-type polar solvent with a polyphenylene sulfide sulfone prepolymer having a logarithmic viscosity η inh of 0.05 to 1.0, said logarithmic viscosity η inh being determined at 30°C for its solution in a phenol/1,1,2,2-tetrachloroethane (3:2 by weight) mixed solvent in a polymer concentration of 0.5/100 ml of solution and calculated in accordance with the equation η inh =ℓn (relative viscosity)/polymer concentration.
Claim 14
Dependent Claim
131 words
A process for producing a block copolymer composed of polyphenylene sulfide segments and polyphenylene sulfide sulfone segments and having a logarithmic viscosity [η] of 0.03 to 1.0, said logarithmic viscosity [η] being determiend at 206°C for its solution in alpha-chloronaphthalene in a polymer concentration of 0.4 g/100 ml of solution and calculate in accordance with the equation [η]=ℓn (relative viscosity)/polymer concentration, which comprises reacting a polyphenylene sulfide prepolymer in an amide-type polar solvent with a polyphenylene sulfide sulfone prepolymer having a logarithmic viscosity η inh of 0.05 to 1.0, said logarithmic viscosity η inh being determined at 30°C for its solution in a phenol/1,1,2,2-tetrachloroethane (3:2 by weight) mixed solvent in a polymer concentration of 0.5/100 ml of solution and calculated in accordance with the equation η inh =ℓn (relative viscosity)/polymer concentration.
Claim 15
Dependent Claim
22 words
The process of claim 11 wherein the polyphenylene sulfide prepolymer has a sodium sulfide group and/or a chlorophenyl group at molecular terminals.
Claim 16
Dependent Claim
19 words
The process of claim 11 wherein the polyphenylene sulfide prepolymer logarithmic viscosity [η], as defined, of 0.03 to 0.80.
Claim 17
Dependent Claim
23 words
The process of claim 11 wherein the polyphenylene sulfide sulfone prepolymer has a sodium sulfide group and/or a chlorophenyl group at molecular terminals.
Claim 18
Dependent Claim
25 words
The process of claim 11 wherein the weight ratio of the polyphenylene sulfide prepolymer to the polyphenylene sulfide sulfone prepolymer is from 1/99 to 99/1.
Claim 19
Dependent Claim
101 words
A process for producing a block copolymer composed of polyphenylene sulfide segments and polyphenylene sufide sulfone segments and having a logarithmic viscosity [η] of 0.03 to 1.0, said logarithmic viscosity [η] being determined at 206°C for its solution in alpha-chloronaphthalene in a polymer concentration of 0.4 g/100 ml of solution and calculated in accordance with the equation [η]=ℓn (relative viscosity)/polymer concentration, which comprises reacting in an amide-type polar sovent a polyphenylene sulfide prepolymer with a mixture of a dihalodiphenylsulfone and a sulfidization agent, or a polyphenylene sulfide sulfone prepolymer with a mixture of a polyhalogenated aromatic compound and a sulfidization agent.
Claim 20
Dependent Claim
101 words
A process for producing a block copolymer composed of polyphenylene sulfide segments and polyphenylene sufide sulfone segments and having a logarithmic viscosity [η] of 0.03 to 1.0, said logarithmic viscosity [η] being determined at 206°C for its solution in alpha-chloronaphthalene in a polymer concentration of 0.4 g/100 ml of solution and calculated in accordance with the equation [η]=ℓn (relative viscosity)/polymer concentration, which comprises reacting in an amide-type polar sovent a polyphenylene sulfide prepolymer with a mixture of a dihalodiphenylsulfone and a sulfidization agent, or a polyphenylene sulfide sulfone prepolymer with a mixture of a polyhalogenated aromatic compound and a sulfidization agent.
Claim 21
Dependent Claim
22 words
The process of claim 16 wherein the polyphenylene sulfide prepolymer has a sodium sulfide group and/or a chlorophenyl group at molecular terminals.
Claim 22
Dependent Claim
21 words
The process of claim 16 wherein the polyphenylene sulfide prepolymer had a logarithmic viscosity [η], as defined, of 0.03 to 0.80.
Claim 23
Dependent Claim
63 words
The process of claim 16 wherein the polyphenylene sulfide sulfone prepolymer has a logarithmic viscosity η inh of 0.05 to 1.0, said logarithmic viscosity η inh being determined at 30°C for its solution in a phenol/1,1,2,2-tetrachloroethane (3:2 by weight) mixed solvent in a polymer concentration of 0.5/100 ml of solution and calculated in accordance with the equation η inh =ℓn (relative viscosity/polymer concentration.
Claim 24
Dependent Claim
29 words
The process of claim 16 wherein the sulfidization agent is an alkali metal sulfide compound alone or a mixture of a sulfur source and an alkali metal hydroxide compound.
Claim 25
Dependent Claim
27 words
The process of claim 16 wherein the polyhalogenated aromatic compound is a halogenated aromatic compound having at least two halogen atoms directly bonded to the aromatic ring.
References Cited (Backward Citations)
No citation records indexed.
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