US4663375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing heat-resisting moldings
Assignee: Mitsubishi Chemical Corp
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Filing: 1985-05-10
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Granted: 1987-05-05
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Expires: 2005-05-10
Abstract
Abstract A process for producing a thermoplastic resin molding which comprises adding to a thermoplastic resin an organic compound which is compatible with said thermoplastic resin to form a homogeneous phase at a molten state of said thermoplastic resin and causes phase separation by cooling, molding the composition by melting, and solidifying it by cooling; and the molding thus obtained.
Inventors
- 👤 Yutaka Tamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
393 words
A process for producing a thermoplastic resin molding, which comprises: heating a composition containing an amorphous thermoplastic resin, having a crystallinity of no more than 20%, as measured by X-ray diffraction under ordinary conditions of use, and having a glass transition temperature of at least 120° C., and an organic compound to a temperature high enough to melt said resin, said organic compound being compatible with said resin in that it forms a homogeneous phase with the molten resin and being able to phase separate from said resin when the resin containing said organic compound is cooled to a solidified state; molding the molten composition; and cooling said melt, thus achieving phase separation of said organic compound as fine particles within the resin and solidification of the molten resin, said organic compound further being at least one compound selected from the group consisting of compounds represented by formulas: ##STR13## wherein R 1 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 20 carbon atoms, R 2 and R 3 each represent a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 4 represents a substituted or unsubstituted saturated or unsaturated, straight chain or branched chain hydrocarbon radical having from 11 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 11 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 11 to 20 carbon atoms, R 5 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 10 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 10 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 6 and R 7 each represent a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical, a substituted or unsubstituted alicyclic hydrocarbon radical, or a substituted or unsubstituted aromatic hydrocarbon radical, wherein the total of carbon atoms in R 6 and R 7 is 2 to 10; and --X-- represents --O--, --S--, >CO, --COO-- or >SO 2 .
Claim 2
Dependent Claim
393 words
A process for producing a thermoplastic resin molding, which comprises: heating a composition containing an amorphous thermoplastic resin, having a crystallinity of no more than 20%, as measured by X-ray diffraction under ordinary conditions of use, and having a glass transition temperature of at least 120° C., and an organic compound to a temperature high enough to melt said resin, said organic compound being compatible with said resin in that it forms a homogeneous phase with the molten resin and being able to phase separate from said resin when the resin containing said organic compound is cooled to a solidified state; molding the molten composition; and cooling said melt, thus achieving phase separation of said organic compound as fine particles within the resin and solidification of the molten resin, said organic compound further being at least one compound selected from the group consisting of compounds represented by formulas: ##STR13## wherein R 1 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 20 carbon atoms, R 2 and R 3 each represent a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 4 represents a substituted or unsubstituted saturated or unsaturated, straight chain or branched chain hydrocarbon radical having from 11 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 11 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 11 to 20 carbon atoms, R 5 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 10 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 10 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 6 and R 7 each represent a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical, a substituted or unsubstituted alicyclic hydrocarbon radical, or a substituted or unsubstituted aromatic hydrocarbon radical, wherein the total of carbon atoms in R 6 and R 7 is 2 to 10; and --X-- represents --O--, --S--, >CO, --COO-- or >SO 2 .
Claim 3
Dependent Claim
32 words
The process of claim 1, wherein said thermoplastic resin is a member selected from the group consisting of a polyphenylene ether and a blend of a polyphenylene ether and a styrene resin.
Claim 4
Dependent Claim
50 words
The process of claim 1, wherein said organic compound has a melting point of from 150° to 300° C. and is incorporated in said thermoplastic resin in an amount of from 0.1 to 25 parts by weight per 100 parts by weight of the total amount of said thermoplastic resin.
Claim 5
Dependent Claim
26 words
The process of claim 1, wherein said organic compound is represented by the formula: ##STR14## wherein R 1 -R 3 are as defined in claim 1.
Claim 6
Dependent Claim
27 words
The process of claim 1, wherein said organic compound is represented by the formula: ##STR15## wherein groups R 2 -R 4 are as defined in claim 1.
Claim 7
Dependent Claim
31 words
The process of claim 1, wherein said organic compound is represented by the formula: ##STR16## wherein groups R 1 , R 2 and R 5 are as defined in claim 1.
Claim 8
Dependent Claim
45 words
The process of claim 1, wherein said organic compound is represented by the formula: ##STR17## wherein groups R 2 , R 3 , R 6 and R 7 are as defined in claim 1, and --X-- represents --O--, --S--, >CO, --COO-- or >SO 2 .
Claim 9
Dependent Claim
40 words
The process of claim 1, wherein said thermoplastic resin is polystyrene, high impact polystyrene, a styrene copolymer, polyvinyl chloride, polymethyacrylic acid ester, polyacrylic acid derivatives, a polycarbonate, polynorbornene resin, polyarylate, a polysulfone, a polyether sulfone, polyfluoroethylene, or modified polymers thereof.
Claim 10
Dependent Claim
180 words
The process of claim 1, wherein the substituent on the radical which defines groups R 1 , R 2 , R 3 and R 5 is selected from the group consisting of: --R 8 , which is a hydrocarbon group having from 1 to 10 carbon atoms, --X, which is a halogen atom, --OR 9 , wherein R 9 represents H or a hydrocarbon group having from 1 to 10 carbon atoms, --NR 10 R 11 , wherein R 10 and R 11 each represents H or a hydrocarbon group having from 1 to 10 carbon atoms, --OCOR 12 , wherein R 12 represents a H or a hydrocarbon group having from 1 to 10 carbon atoms, --COOR 13 , wherein R 13 represents H or a hydrocarbon group having from 1 to 10 carbon atoms, --COR 14 , wherein R 14 represents a hydrocarbon group having from 1 to 10 carbon atoms, --SO 2 R 15 , wherein R 15 represents OH or a hydrocarbon group having from 1 to 10 carbon atoms, --NO 2 , --NO, and --CN.
Claim 11
Dependent Claim
23 words
The process of claim 1, wherein the substituent of the group which defines R 4 is a hydrogen atom or a hydroxy group.
Claim 12
Dependent Claim
392 words
A thermplastic resin molding prepared by a process, comprising: heating a composition containing an amorphous thermoplastic resin, having a crystallinity of no more than 20%, as measured by X-ray diffraction under ordinary conditions of use, and having a glass transition temperature of at least 120° C., and an organic compound to a temperature high enough to melt said resin, said organic compound being compatible with said resin in that it forms a homogeneous phase with the molten resin and being able to phase separate from said resin when the resin containing said organic compound is cooled to a solidified state; molding the molten composition; and cooling said melt, thus achieving phase separation of said organic compound as fine particles within the resin and solidification of the molten resin, said organic compound further being at least one compound selected from the group consisting of compounds represented by formulas: ##STR18## wherein R 1 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 20 carbon atoms, R 2 and R 3 each represent a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 4 represents a substituted or unsubstituted saturated or unsaturated, straight chain or branched chain hydrocarbon radical having from 11 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 11 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 11 to 20 carbon atoms, R 5 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 10 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 10 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 6 and R 7 each represent a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical, a substituted or unsubstituted alicyclic hydrocarbon radical, or a substituted or unsubstituted aromatic hydrocarbon radical, wherein the total of carbon atoms in R 6 and R 7 is 2 to 10; and --X-- represents --O--, --S--, >CO, --COO-- or >SO 2 .
Claim 13
Dependent Claim
392 words
A thermplastic resin molding prepared by a process, comprising: heating a composition containing an amorphous thermoplastic resin, having a crystallinity of no more than 20%, as measured by X-ray diffraction under ordinary conditions of use, and having a glass transition temperature of at least 120° C., and an organic compound to a temperature high enough to melt said resin, said organic compound being compatible with said resin in that it forms a homogeneous phase with the molten resin and being able to phase separate from said resin when the resin containing said organic compound is cooled to a solidified state; molding the molten composition; and cooling said melt, thus achieving phase separation of said organic compound as fine particles within the resin and solidification of the molten resin, said organic compound further being at least one compound selected from the group consisting of compounds represented by formulas: ##STR18## wherein R 1 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 20 carbon atoms, R 2 and R 3 each represent a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 4 represents a substituted or unsubstituted saturated or unsaturated, straight chain or branched chain hydrocarbon radical having from 11 to 20 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 11 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 11 to 20 carbon atoms, R 5 represents a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical having from 1 to 10 carbon atoms, a substituted or unsubstituted alicyclic hydrocarbon radical having from 3 to 10 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon radical having from 6 to 10 carbon atoms, R 6 and R 7 each represent a substituted or unsubstituted, saturated or unsaturated straight chain or branched chain hydrocarbon radical, a substituted or unsubstituted alicyclic hydrocarbon radical, or a substituted or unsubstituted aromatic hydrocarbon radical, wherein the total of carbon atoms in R 6 and R 7 is 2 to 10; and --X-- represents --O--, --S--, >CO, --COO-- or >SO 2 .
Claim 14
Dependent Claim
28 words
The thermoplastic resin molding of claim 11, wherein said organic compound is represented by the formula: ##STR19## wherein R 1 -R 3 are as defined in claim 11.
Claim 15
Dependent Claim
29 words
The thermoplastic resin molding of claim 11, wheein said organic compound is represented by the formula: ##STR20## wherein groups R 2 -R 4 are as defined in claim 11.
Claim 16
Dependent Claim
33 words
The thermoplastic resin molding of claim 11, wherein said organic compound is represented by the formula: ##STR21## wherein groups R 1 , R 2 and R 5 are as defined in claim 11.
Claim 17
Dependent Claim
182 words
The thermoplastic resin molding of claim 11, wherein the substituent on the radical which defines groups R 1 , R 2 , R 3 and R 5 is selected from the group consisting of: --R 8 , which is a hydrocarbon group having from 1 to 10 carbon atoms, --X, which is a halogen atom, --OR 9 , wherein R 9 represents H or a hydrocarbon group having from 1 to 10 carbon atoms, --NR 10 R 11 , wherein R 10 and R 11 each represents H or a hydrocarbon group having from 1 to 10 carbon atoms, --OCOR 12 , wherein R 12 represents a H or a hydrocarbon group having from 1 to 10 carbon atoms, --COOR 13 , wherein R 13 represents H or a hydrocarbon group having from 1 to 10 carbon atoms, --COR 14 , wherein R 14 represents a hydrocarbon group having from 1 to 10 carbon atoms, --SO 2 R 15 , wherein R 15 represents OH or a hydrocarbon group having from 1 to 10 carbon atoms, --NO 2 , --NO, and --CN.
Claim 18
Dependent Claim
25 words
The thermoplastic resin molding of claim 11, wherein the substituent of the group which defines R 4 is a hydrogen atom or a hydroxy group.
References Cited (Backward Citations)
US2758982A
Cited
US2948698A
Cited
US3207736A
Cited
US3274144A
Cited
US3186961A
Cited
US3386795A
Cited
US3398175A
Cited
US3420792A
Cited
US3557031A
Cited
US3649585A
Cited
US3751388A
Cited
US3796775A
Cited
US3660557A
Cited
US3846391A
Cited
US3935143A
Cited
US3801530A
Cited
US4119603A
Cited
US4352904A
Cited
US4430289A
Cited
US4530952A
Cited
US4500665A
Cited
JP2000004950A
Cited
EP1152182A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-04 | 1990-11-03 | 1991-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-04 | 1994-11-03 | 1995-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-04 | 1998-11-03 | 1999-05-05 | $7700.00 | Window Closed / Lapsed |