US4663375A — Process for producing heat-resisting moldings

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.

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

Process for producing heat-resisting moldings

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