# US 4,393,162 A · Polyamides and copolyamides comprising -1,2-di(p-aminophenoxy) ethane moieties

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- Number: US 4,393,162 A
- Document ID: US4393162A
- Status: Granted
- Kind: A
- Application number: 06/378,119
- Filed: 1982-05-14
- Granted: 1983-07-12
- Earliest claimed: 1982-05-14
- Assignees: Standard Oil Company (Indiana)
- Inventors: Edward E. Paschke; C. Bruce Petty-Weeks
- Web page: https://patentgrep.com/patent/US4393162A

## CPC

- C08G 69/40: Polyamides containing oxygen in the form of ether groups (C08G69/12, C08G69/32 take precedence)
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

## Abstract

Novel polyamides and copolyamides are prepared from 1,2-di(p-aminophenoxy) ethane and diacids or mixtures of 1,2-di(p-aminophenoxy) ethane and other diamines and diacids. These polyamides and copolyamides are useful as molded objects, fiber, films, laminate and coating.

## Claims

### Claim 1

A polyamide comprising the following recurring structure: ##STR5## wherein R is a divalent aliphatic or aromatic hydrocarbon radical or an aromatic hydrocarbon radical containing from 6 to 10 carbon atoms joined directly or by a stable linkage selected from the group consisting of --O--, methylene ##STR6## --SO--, --SO.sub.2 -- and S radicals.

### Claim 2 (depends on 1)

The polymer of claim 1 wherein R is an aliphatic hydrocarbon from 2 to 18 carbon atoms.

### Claim 3 (depends on 1)

The polyamide of claim 1 wherein R is an aromatic hydrocarbon from 6 to 20 carbon atoms.

### Claim 4 (depends on 1)

The polyamide of claim 1 wherein the aromatic hydrocarbon radical contains from about 6 to about 10 carbon atoms joined directly or by stable linkage consisting essentially of --O--, methylene, ##STR7## --SO--, --SO.sub.2 --, and --S--.

### Claim 5 (depends on 1)

The polyamide of claim 1 wherein the polyamide is in the form of a molded object.

### Claim 6 (depends on 1)

The polyamide of claim 1 wherein the polyamide is in the form of a fiber.

### Claim 7 (depends on 1)

The polyamide of claim 1 wherein the polyamide is in the form of a laminate.

### Claim 8 (depends on 1)

The polyamide of claim 1 wherein the polyamide is in the form of a film.

### Claim 9 (depends on 5)

The polyamide of claim 5 wherein the molded object contains about 30 to 50 weight percent of glass fiber, glass beads or graphite.

### Claim 10

A copolyamide comprising the following recurring structure: ##STR8## wherein R and R.sub.1 are the same or different divalent aliphatic or aromatic hydrocarbon radicals or an aromatic hydrocarbon radical containing from 6 to 10 carbon atoms joined directly or by a stable linkage selected from the group consisting of --O--, methylene, ##STR9## --SO--, --SO.sub.2 -- and S radicals.

### Claim 11 (depends on 10)

The copolyamide of claim 10 where R and R.sub.1 are aliphatic hydrocarbons from 2 to 18 carbon atoms.

### Claim 12 (depends on 1)

The copolyamide of claim 1 wherein R and R.sub.1 are aromatic hydrocarbons from 6 to 20 carbon atoms.

### Claim 13 (depends on 10)

The copolyamide of claim 10 wherein the aromatic, hydrocarbon radical contains from about 6 to 10 carbon atoms joined directly or by stable linkage consisting essentially of --O--, methylene, ##STR10## --SO--, --SO.sub.2 --, and --S-- radicals.

### Claim 14 (depends on 10)

The copolyamide of claim 10 wherein the copolyamide is in the form of a molded object.

### Claim 15 (depends on 14)

The molded object of claim 14 wherein the molded object contains about 30 to 50 weight percent of glass fiber, glass beads or graphite.

### Claim 16 (depends on 10)

The copolyamide of claim 10 wherein the copolyamide is in the form of a fiber.

### Claim 17 (depends on 10)

The copolyamide of claim 10 wherein the copolyamide is in the form of a film.

### Claim 18 (depends on 10)

The copolyamide of claim 10 wherein the copolyamide is in the form of a laminate.

### Claim 19 (depends on 11)

The copolyamide of claim 11 wherein R and R.sub.1 are divalent aliphatic hydrocarbons containing five carbon atoms.

### Claim 20 (depends on 19)

The copolyamide of claim 19 wherein the copolyamide is in the form of a molded object.

### Claim 21 (depends on 19)

The molded object of claim 19 wherein the molded object contains about 30 to 50 weight percent of glass fiber, glass beads or graphite.

### Claim 22 (depends on 19)

The copolyamide of claim 19 wherein the copolyamide is in the form of a fiber.

### Claim 23 (depends on 19)

The copolyamide of claim 19 wherein the copolyamide is in the form of a film.

### Claim 24 (depends on 19)

The copolyamide of claim 19 wherein the copolyamide is in the form of a laminate.

### Claim 25 (depends on 12)

The copolyamide of claim 12 wherein R and R.sub.1 are the same or different containing the following divalent hydrocarbon moieties: ##STR11##

### Claim 26 (depends on 25)

The copolyamide of claim 25 wherein the copolyamide is in the form of molded objects.

### Claim 27 (depends on 25)

The molded object of claim 25 wherein the molded object contains about 30 to 50 weight percent of glass fiber, glass beads or graphite.

### Claim 28 (depends on 25)

The copolyamide of claim 25 wherein the copolyamide is in the form of a film.

### Claim 29 (depends on 25)

The copolyamide of claim 25 wherein the copolyamide is in the form of a laminate.

### Claim 30 (depends on 25)

The copolyamide of claim 25 wherein the copolyamide is in the form of a fiber.