US4217437A — Process for the preparation of carbonic acid bis-…

Claim 1

Independent Claim 151 words

A process for the preparation of a polyalkylene oxide-diol-bis-diphenol carbonate, lengthened via carbonate groups, comprising: i. heating a polyalkylene oxide-diol having a molecular weight Mn (number average) of over 135 with a carbonic acid bis-aryl ester a. at a temperature of between about 100° C. and 200° C., b. in vacuo below about 35 mm Hg, and c. in the presence of a catalyst, characterized in that less than 1 mol of carbonic acid bis-aryl ester is employed per mol of OH-groups of the polyalkylene oxide-diol, and ii. heating the resulting polyalkylene oxide-diol bis-aryl carbonate with a diphenol a. at a temperature of between about 100° C. and 200° C., b. in vacuo below about 35 mm Hg, and c. in the presence of a catalyst, characterized in that more than one mol of diphenol is employed per mol of carbonic acid aryl ester groups of the polyalkylene oxide-diol bis-aryl carbonate.

Claim 2

Dependent Claim 151 words

A process for the preparation of a polyalkylene oxide-diol-bis-diphenol carbonate, lengthened via carbonate groups, comprising: i. heating a polyalkylene oxide-diol having a molecular weight Mn (number average) of over 135 with a carbonic acid bis-aryl ester a. at a temperature of between about 100° C. and 200° C., b. in vacuo below about 35 mm Hg, and c. in the presence of a catalyst, characterized in that less than 1 mol of carbonic acid bis-aryl ester is employed per mol of OH-groups of the polyalkylene oxide-diol, and ii. heating the resulting polyalkylene oxide-diol bis-aryl carbonate with a diphenol a. at a temperature of between about 100° C. and 200° C., b. in vacuo below about 35 mm Hg, and c. in the presence of a catalyst, characterized in that more than one mol of diphenol is employed per mol of carbonic acid aryl ester groups of the polyalkylene oxide-diol bis-aryl carbonate.

Claim 3

Dependent Claim 24 words

The process according to claim 1, wherein the resulting polyalkylene oxide-diol bis-aryl carbonate and excess carbonic acid bis-aryl ester are reacted with a diphenol.

Claim 4

Dependent Claim 52 words

The process according to claim 1, wherein the polyalkylene oxide-diol has the general formula: ##STR16## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, and b is an integer of from about 3 to 350.

Claim 5

Dependent Claim 80 words

The process according to claim 1, wherein the polyalkylene oxide-diol bis-aryl carbonate has the general formula: ##STR17## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, n is an integer of from about 2 to 20, and Ar is a substituted or unsubstituted aryl radical with from about 6 to 18 C atoms.

Claim 6

Dependent Claim 42 words

The process according to claim 1, wherein the diphenol has the general formula: ##STR18## wherein X denotes --CH 2 --, ##STR19## O, S or SO 2 , and Y 1 to Y 4 are identical or different and denote hydrogen or halogen.

Claim 7

Dependent Claim 18 words

The process according to claim 1, wherein the molecular weight of the polyalkylene oxide-diol is above about 800.

Claim 8

Dependent Claim 18 words

The process according to claim 1, wherein the reaction temperature is between about 110° C. and 180° C.

Claim 9

Dependent Claim 18 words

The process according to claim 1, wherein the pressure is between about 25 mm and 0.1 mm Hg.

Claim 10

Dependent Claim 31 words

The process according to claim 1, wherein the amount of diphenol is between about 1.1 and about 2 mols, per carbonic acid aryl ester group of the polyalkylene oxide-diol bis-aryl carbonates.

Claim 11

Dependent Claim 15 words

The process according to claim 1, when carried out in the absence of a solvent.

Claim 12

Dependent Claim 16 words

The process according to claim 1, when carried out in the presence of an inert solvent.

Claim 13

Dependent Claim 62 words

The process according to claim 1, wherein a polyalkylene oxide-diol bis-phenol carbonate is reacted with bisphenol-A a. in a molar ratio of bis-phenol carbonate to bisphenol-A of about 1:3, b. in the presence of the disodium phenolate of bisphenol-A as the catalyst, c. at a temperature of about 150° C., and d. in vacuo below about 25 mm and 0.1 mm Hg.

Claim 14

Dependent Claim 17 words

A polyalkylene oxide-diol bis-diphenol carbonate, lengthened via carbonate groups, prepared by the process according to claim 1.

Claim 15

Dependent Claim 83 words

A polyalkylene oxide diol bis-diphenol carbonate of the formula: ##STR20## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, n is an integer of from about 2 to 20, Y 1 and Y 4 are identical or different and denote hydrogen or halogen, and X denotes --CH 2 --, ##STR21## O, S or SO 2 .

Claim 16

Dependent Claim 83 words

A polyalkylene oxide diol bis-diphenol carbonate of the formula: ##STR20## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, n is an integer of from about 2 to 20, Y 1 and Y 4 are identical or different and denote hydrogen or halogen, and X denotes --CH 2 --, ##STR21## O, S or SO 2 .

Claim 17

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR22## wherein, R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 18

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR22## wherein, R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 19

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR23## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 20

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR23## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 21

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR24## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 22

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR24## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 23

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR25## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 24

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR25## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 25

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR26## wherein R' and R" independently of one another are hydrogen or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 26

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR26## wherein R' and R" independently of one another are hydrogen or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 27

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR27## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 28

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR27## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 29

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR28## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 30

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR28## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 31

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR29## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 32

Dependent Claim 56 words

A polyalkylene oxide-diol bis-diphenol carbonate of the formula: ##STR29## wherein R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 33

Dependent Claim 123 words

A process for the preparation of a polyether/polycarbonate, comprising reacting a polyalkylene oxide-diol bis-diphenol carbonate prepared by the process according to claim 1 with a diphenol and phosgene in a liquid mixture comprising an inert organic solvent and an alkaline aqueous solution, at a temperature of from about 0° to about 80° C., at a pH value of from about 9 to 14, wherein after the addition of phosgene, polycondensation is carried out by adding from about 0.2 mol % to 10 mol %, relative to the molar amount of diphenol of a tertiary amine, the weight ratio of polyalkylene oxide-diol bis-diphenol carbonate to the diphenol being determined by the desired proportion of polycarbonate and the proportion of polyether in the resulting polyether/polycarbonate.

Claim 34

Dependent Claim 42 words

The process according to claim 23, wherein the diphenol has the general formula: ##STR30## wherein X denotes --CH 2 --, ##STR31## O, S or SO 2 , and Y 1 to Y 4 are identical or different and denote hydrogen or halogen.

Claim 35

Dependent Claim 22 words

The process according to claim 23, wherein the tertiary amine has from about 3 to about 15 C atoms per amine molecule.

Claim 36

Dependent Claim 24 words

The process according to claim 23, wherein between about 0.05 and about 2 mol % of trifunctional or more than trifunctional compounds are employed.

Claim 37

Dependent Claim 28 words

The process according to claim 23, wherein the polyether/polycarbonate is subjected to gelling, shearing or heat treatment in the course of isolation whereby the recovered polymer is multi-phase.

Claim 38

Dependent Claim 29 words

The process according to claim 23, wherein the polyether/polycarbonate is not subjected to gelling, shearing or heat treatment in the course of isolation whereby the recovered polymer is single-phase.

Claim 39

Dependent Claim 117 words

A polyether/polycarbonate comprising from about 30 to about 95% by weight of aromatic polycarbonate structural units of the formula: ##STR32## wherein X denotes --CH 2 --, ##STR33## O, S or SO 2 , and Y 1 to Y 4 are identical or different and denote hydrogen or halogen, and of from about 70 to 5% by weight of polyalkylene oxide-diol block units. lengthened via carbonate groups, of the formula: ##STR34## wherein, R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 40

Dependent Claim 117 words

A polyether/polycarbonate comprising from about 30 to about 95% by weight of aromatic polycarbonate structural units of the formula: ##STR32## wherein X denotes --CH 2 --, ##STR33## O, S or SO 2 , and Y 1 to Y 4 are identical or different and denote hydrogen or halogen, and of from about 70 to 5% by weight of polyalkylene oxide-diol block units. lengthened via carbonate groups, of the formula: ##STR34## wherein, R' and R" independently of one another are H or C 1 -C 4 alkyl, a is an integer of from about 1 to 6, b is an integer of from about 3 to 350, and n is an integer of from about 2 to 20.

Claim 41

Dependent Claim 40 words

The polyether/polycarbonate according to claim 29, wherein from about 35 to 80% by weight of the structural units of the formula IVa and from about 65 to 20% by weight of the block units of the formula VII are employed.

Claim 42

Dependent Claim 23 words

The polyether/polycarbonate according to claim 29, wherein the average molecular weight Mw (weight-average) of the polyether/polycarbonate is between about 25,000 and about 250,000.

Claim 43

Dependent Claim 26 words

The polyether/polycarbonate according to claim 29, wherein the aromatic polycarbonate structural units have the formula: ##STR35## wherein Y is H, Cl, Br or CH 3 .

Claim 44

Dependent Claim 8 words

The product of the process of claim 23.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1983-08-12	1984-02-11	1984-08-12	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1987-08-12	1988-02-11	1988-08-12	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1991-08-12	1992-02-11	1992-08-12	$7700.00	Window Closed / Lapsed

Process for the preparation of carbonic acid bis-diphenol esters of polyalkylene oxide-diols lengthened via carbonate groups and their use for the preparation of high-molecular, segmented polyether/polycarbonates which can be processed as thermoplastics

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