US4122072A — Polyester and process for making same

Claim 1

Independent Claim 345 words

A new fiber-forming composition of matter comprising at least 85 weight percent of the following structural units: ##STR20## wherein "Hyd" is selected from the group consisting of ##STR21## wherein Z is a radical individually selected from the group consisting of bivalent alkyls containing from 1-20 carbon atoms, bivalent aryls containing from 6-10 carbon atoms, bivalent alkyl-aryls containing from 6-20 carbon atoms and cycloalkyls containing from 5-12 carbon atoms; wherein A is individually selected from the group of aromatic divalent radicals consisting of ##STR22## and branched or linear alkylene radicals containing from 4 to 10 carbon atoms, wherein Y is selected from the group of difunctional radicals consisting of a branched or linear C 1 -C 4 alkylene, --O--, --S--, and --SO 2 --; wherein G is selected from the group of divalent radicals consisting of a branched or linear C 2 -C 10 alkylene and C 5 -C 10 cycloalkylene; R 1 , R 2 , R 1 ' and R 2 ' are individually selected from the group of radicals consisting of hydrogen, aryls containing from 6-10 carbon atoms, alkyls containing from 1-20 carbon atoms, and cycloalkyls containing from 5-10 carbon atoms; R 1 and R 2 may be cojointly a tetramethylene radical or a pentamethylene radical, R 3 , R 3 ', R 5 , R 5 ', R 7 , R 7 ' and R 9 , R 9 ' are individually selected from the group of radicals consisting of hydrogen, methyl, ethyl and saturated cycloalkyls containing from 5-10 carbon atoms; R 4 , R 4 ', R 6 , R 6 ', R 8 , R 8 ' and R 10 , R 10 ' is hydrogen and R 3 and R 4 , R 5 and R 6 , R 7 and R 8 , R 9 and R 10 may be cojointly a tetramethylene radical; wherein x is an integer from 0-20, y is an integer from 0-20 and the sum of x+y is at least 1 and the weight percent of units II is not more than 20.

Claim 2

Dependent Claim 345 words

A new fiber-forming composition of matter comprising at least 85 weight percent of the following structural units: ##STR20## wherein "Hyd" is selected from the group consisting of ##STR21## wherein Z is a radical individually selected from the group consisting of bivalent alkyls containing from 1-20 carbon atoms, bivalent aryls containing from 6-10 carbon atoms, bivalent alkyl-aryls containing from 6-20 carbon atoms and cycloalkyls containing from 5-12 carbon atoms; wherein A is individually selected from the group of aromatic divalent radicals consisting of ##STR22## and branched or linear alkylene radicals containing from 4 to 10 carbon atoms, wherein Y is selected from the group of difunctional radicals consisting of a branched or linear C 1 -C 4 alkylene, --O--, --S--, and --SO 2 --; wherein G is selected from the group of divalent radicals consisting of a branched or linear C 2 -C 10 alkylene and C 5 -C 10 cycloalkylene; R 1 , R 2 , R 1 ' and R 2 ' are individually selected from the group of radicals consisting of hydrogen, aryls containing from 6-10 carbon atoms, alkyls containing from 1-20 carbon atoms, and cycloalkyls containing from 5-10 carbon atoms; R 1 and R 2 may be cojointly a tetramethylene radical or a pentamethylene radical, R 3 , R 3 ', R 5 , R 5 ', R 7 , R 7 ' and R 9 , R 9 ' are individually selected from the group of radicals consisting of hydrogen, methyl, ethyl and saturated cycloalkyls containing from 5-10 carbon atoms; R 4 , R 4 ', R 6 , R 6 ', R 8 , R 8 ' and R 10 , R 10 ' is hydrogen and R 3 and R 4 , R 5 and R 6 , R 7 and R 8 , R 9 and R 10 may be cojointly a tetramethylene radical; wherein x is an integer from 0-20, y is an integer from 0-20 and the sum of x+y is at least 1 and the weight percent of units II is not more than 20.

Claim 3

Dependent Claim 19 words

The new composition of matter defined in claim 1 wherein the sum of x+y is up to about 30.

Claim 4

Dependent Claim 21 words

The new composition of matter defined in claim 2 wherein the sum of x+y is an integer from 1 to 20.

Claim 5

Dependent Claim 21 words

The new composition of matter defined in claim 2 wherein the sum of x+y is an integer from 4 to 15.

Claim 6

Dependent Claim 30 words

The new composition of matter defined in claim 1 wherein the weight percent of units II is from about 4 to about 10 weight percent of the total copolymer weight.

Claim 7

Dependent Claim 30 words

The new composition of matter defined in claim 1 wherein R 1 and R 2 are --CH 3 ; A is ##STR23## and G is --CH 2 CH 2 --.

Claim 8

Dependent Claim 30 words

A new fiber-forming composition of matter comprising at least 85 weight percent of the following structural units: ##STR24## wherein the weight percent of units II is not more than 20.

Claim 9

Dependent Claim 30 words

A new fiber-forming composition of matter comprising at least 85 weight percent of the following structural units: ##STR24## wherein the weight percent of units II is not more than 20.

Claim 10

Dependent Claim 19 words

The new composition of matter defined in claim 7 wherein the sum of x+y is up to about 30.

Claim 11

Dependent Claim 21 words

The new composition of matter defined in claim 8 wherein the sum of x+y is an integer from 4 to 15.

Claim 12

Dependent Claim 30 words

The new composition of matter defined in claim 7 wherein the weight percent of units II is from about 4 to about 10 weight percent of the total copolymer weight.

Claim 13

Dependent Claim 19 words

The new composition of matter defined in claim 7 wherein R 1 and R 2 are --CH 3 .

Claim 14

Dependent Claim 47 words

A new fiber-forming composition of matter comprising at least 85 weight percent of the following structural units: ##STR25## wherein the sum of x+y is an integer from 4-15 and the weight percent of units II is from about 4 to 10 weight percent of the total weight.

Claim 15

Dependent Claim 47 words

A new fiber-forming composition of matter comprising at least 85 weight percent of the following structural units: ##STR25## wherein the sum of x+y is an integer from 4-15 and the weight percent of units II is from about 4 to 10 weight percent of the total weight.

Claim 16

Dependent Claim 152 words

In a process for manufacturing a dye receptive and thermally stable linear condensation polyester modified with a compound containing a polyalkoxylated hydantoin derivative comprising the steps: mixing together at least one compound selected from the group consisting of terephthalic acid, isophthalic acid and dimethyl terephthalate, and a glycol of the series HO(CH 2 ) n OH, in which n is an integer from 2 to 10 and a compound containing a hydantoin derivative having the formula: ##STR26## in which x+y is up to about 30, R 1 and R 2 is a radical selected from the group consisting of hydrogen, aryls containing from 6-10 carbon atoms, alkyls containing from 1-20 carbon atoms and cycloalkyls containing from 5-10 carbon atoms; reacting said mixture by heating to at least 150° C. in the presence of a suitable catalyst; and continuing said heating and reaction of said mixture until a fiber-forming modified polyester is obtained.

Claim 17

Dependent Claim 152 words

In a process for manufacturing a dye receptive and thermally stable linear condensation polyester modified with a compound containing a polyalkoxylated hydantoin derivative comprising the steps: mixing together at least one compound selected from the group consisting of terephthalic acid, isophthalic acid and dimethyl terephthalate, and a glycol of the series HO(CH 2 ) n OH, in which n is an integer from 2 to 10 and a compound containing a hydantoin derivative having the formula: ##STR26## in which x+y is up to about 30, R 1 and R 2 is a radical selected from the group consisting of hydrogen, aryls containing from 6-10 carbon atoms, alkyls containing from 1-20 carbon atoms and cycloalkyls containing from 5-10 carbon atoms; reacting said mixture by heating to at least 150° C. in the presence of a suitable catalyst; and continuing said heating and reaction of said mixture until a fiber-forming modified polyester is obtained.

Claim 18

Dependent Claim 15 words

The process as defined in claim 13 wherein the sum of x+y is about 30.

Claim 19

Dependent Claim 18 words

The process defined in claim 13 wherein the sum of x+y is an integer from 1 to 20.

Claim 20

Dependent Claim 18 words

The process defined in claim 13 wherein the sum of x+y is an integer from 4 to 15.

Claim 21

Dependent Claim 17 words

The process as defined in claim 13 wherein R 1 and R 2 are --CH 3 .

Claim 22

Dependent Claim 23 words

The process as defined in claim 13 wherein terephthalic acid and ethylene glycol are reacted with said hydantoin derivative to form said polyester.

Claim 23

Dependent Claim 152 words

In a process for manufacturing a dye receptive and thermally stable linear condensation polyester modified with a compound containing a polyalkoxylated hydantoin derivative comprising the steps: mixing together at least one compound selected from the group consisting of terephthalic acid, isophthalic acid and dimethyl terephthalate, and a glycol of the series HO(CH 2 ) n OH, in which n is an integer from 2 to 10, to form a polymer; adding to said polymer a compound containing a hydantoin derivative having the formula: ##STR27## in which x+y is up to about 30, R 1 and R 2 is a radical selected from the group consisting of hydrogen, aryls containing from 6-10 carbon atoms, alkyls containing from 1-20 carbon atoms and cycloalkyls containing from 5-10 carbon atoms; reacting said polymer by heating to at least 150° C.; and continuing said heating and reaction of said polymer until a fiber-forming modified polyester is obtained.

Claim 24

Dependent Claim 152 words

In a process for manufacturing a dye receptive and thermally stable linear condensation polyester modified with a compound containing a polyalkoxylated hydantoin derivative comprising the steps: mixing together at least one compound selected from the group consisting of terephthalic acid, isophthalic acid and dimethyl terephthalate, and a glycol of the series HO(CH 2 ) n OH, in which n is an integer from 2 to 10, to form a polymer; adding to said polymer a compound containing a hydantoin derivative having the formula: ##STR27## in which x+y is up to about 30, R 1 and R 2 is a radical selected from the group consisting of hydrogen, aryls containing from 6-10 carbon atoms, alkyls containing from 1-20 carbon atoms and cycloalkyls containing from 5-10 carbon atoms; reacting said polymer by heating to at least 150° C.; and continuing said heating and reaction of said polymer until a fiber-forming modified polyester is obtained.

Claim 25

Dependent Claim 41 words

A fiber having improved dyeability and thermal oxidative stability, comprising the polycondensation product of terephthalic acid, a glycol of the series HO(CH 2 ) n OH, in which n is an integer from 2 to 10 and a polyalkoxylated hydantoin compound.

Claim 26

Dependent Claim 41 words

A fiber having improved dyeability and thermal oxidative stability, comprising the polycondensation product of terephthalic acid, a glycol of the series HO(CH 2 ) n OH, in which n is an integer from 2 to 10 and a polyalkoxylated hydantoin compound.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1981-10-23	1982-04-24	1982-10-24	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1985-10-23	1986-04-24	1986-10-24	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1989-10-23	1990-04-24	1990-10-24	$7700.00	Window Closed / Lapsed

Polyester and process for making same

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