US4049732A — Continuous telomerization process and its liquid …

Claim 1

Independent Claim 134 words

In a continuous process of producing normally liquid telomers wherein a liquid telogen is metalated with an organometal initiator and said metalated telogen is then reacted with at least one gaseous taxogen selected from the group of conjugated dienes and vinyl-substituted aromatic compounds, the steps which comprise forming a solution of said initiator and said telogen, continuously passing said solution to a first reaction zone, continuously passing a controlled stream of said gaseous taxogen through fine apertures into said first reaction zone into direct contact with said initiator solution to effect telomerization of the telogen in said first reaction zone, continuously passing the resulting intermixture containing liquid telomer into a second reaction zone while continuously passing said gaseous taxogen through fine apertures into said intermixture containing liquid telomer to produce additional quantities of telomer.

Claim 2

Dependent Claim 134 words

In a continuous process of producing normally liquid telomers wherein a liquid telogen is metalated with an organometal initiator and said metalated telogen is then reacted with at least one gaseous taxogen selected from the group of conjugated dienes and vinyl-substituted aromatic compounds, the steps which comprise forming a solution of said initiator and said telogen, continuously passing said solution to a first reaction zone, continuously passing a controlled stream of said gaseous taxogen through fine apertures into said first reaction zone into direct contact with said initiator solution to effect telomerization of the telogen in said first reaction zone, continuously passing the resulting intermixture containing liquid telomer into a second reaction zone while continuously passing said gaseous taxogen through fine apertures into said intermixture containing liquid telomer to produce additional quantities of telomer.

Claim 3

Dependent Claim 205 words

In a continuous process of producing normally liquid telomers wherein a liquid telogen is metalated with an organometal initiator and said metalated telogen is then reacted with at least one gaseous taxogen selected from the group of conjugated dienes and vinyl-substituted aromatic compounds, the steps which comprise forming a solution of said initiator and said telogen whereby to metalate the telogen, continuously passing said solution to a first reaction zone in a first reactor vessel, continuously passing a controlled stream of said gaseous taxogen through fine apertures into said first reaction zone into direct contact with said initiator solution in said reaction zone to effect telomerization of the telogen in said first reaction zone, continuously passing the resulting intermixture containing liquid telomer through said reactor and into a second reaction zone in a second reactor vessel while continuously passing said gaseous taxogen through fine apertures into said second reaction zone into direct contact with said reaction intermixture produced in said first reactor to produce additional quantities of telomer, polymerization of said taxogen occurring as the stream continues its passage through said first reactor, followed by remetalation as said stream continues its passage through said first reactor and prior to its passage into said second reactor.

Claim 4

Dependent Claim 205 words

In a continuous process of producing normally liquid telomers wherein a liquid telogen is metalated with an organometal initiator and said metalated telogen is then reacted with at least one gaseous taxogen selected from the group of conjugated dienes and vinyl-substituted aromatic compounds, the steps which comprise forming a solution of said initiator and said telogen whereby to metalate the telogen, continuously passing said solution to a first reaction zone in a first reactor vessel, continuously passing a controlled stream of said gaseous taxogen through fine apertures into said first reaction zone into direct contact with said initiator solution in said reaction zone to effect telomerization of the telogen in said first reaction zone, continuously passing the resulting intermixture containing liquid telomer through said reactor and into a second reaction zone in a second reactor vessel while continuously passing said gaseous taxogen through fine apertures into said second reaction zone into direct contact with said reaction intermixture produced in said first reactor to produce additional quantities of telomer, polymerization of said taxogen occurring as the stream continues its passage through said first reactor, followed by remetalation as said stream continues its passage through said first reactor and prior to its passage into said second reactor.

Claim 5

Dependent Claim 16 words

The process of claim 2, in which the telogen is toluene and the taxogen is 1,3-butadiene.

Claim 6

Dependent Claim 12 words

The process of claim 3, in which the initiator is an organolithium.

Claim 7

Dependent Claim 18 words

The process of claim 4, in which the organolithium initiator comprises a complex of n-butyllithium and potassium t-butoxide.

Claim 8

Dependent Claim 17 words

The process of claim 4, in which the organolithium initiator comprises a complex of n-butyllithium and N,N,N',N'-tetramethylethylenediamine.

Claim 9

Dependent Claim 17 words

The process of claim 4, in which the organolithium initiator comprises a complex of dilithiodiisoprene and N,N,N',N'-tetramethylethylenediamine.

Claim 10

Dependent Claim 18 words

The process of claim 3, in which the organolithium initiator is a complex of n-butyllithium and potassium t-butoxide.

Claim 11

Dependent Claim 17 words

The process of claim 3, in which the organolithium initiator is a complex of n-butyllithium and N,N,N',N'-tetramethylethylenediamine.

Claim 12

Dependent Claim 17 words

The process of claim 3, in which the organolithium initiator comprises a complex of dilithiodiisoprene and N,N,N',N'-tetramethylethylenediamine.

Claim 13

Dependent Claim 155 words

In a continuous process of producing normally liquid telomers wherein toluene is metalated with an organometal initiator and said metalated toluene is then reacted with gaseous 1,3-butadiene, said initiator comprising a complex of n-butyllithium and potassium t-butoxide, the steps which comprise forming a solution of said initiator and said toluene, with or without an inert organic solvent, whereby to metalate the toluene, continuously passing said solution to a first reaction zone in a first reactor vessel, continuously passing a controlled stream of gaseous 1,3-butadiene through fine apertures into said first reaction zone into direct contact with said initiator solution in said reaction zone, continuously passing the resulting intermixture containing telomer through said reactor and into a second reaction zone in a second reactor vessel while continuously passing gaseous 1,3-butadiene through fine apertures into said second reaction zone into direct contact with said reaction intermixture produced in said first reactor to produce additional quantities of telomer.

Claim 14

Dependent Claim 155 words

In a continuous process of producing normally liquid telomers wherein toluene is metalated with an organometal initiator and said metalated toluene is then reacted with gaseous 1,3-butadiene, said initiator comprising a complex of n-butyllithium and potassium t-butoxide, the steps which comprise forming a solution of said initiator and said toluene, with or without an inert organic solvent, whereby to metalate the toluene, continuously passing said solution to a first reaction zone in a first reactor vessel, continuously passing a controlled stream of gaseous 1,3-butadiene through fine apertures into said first reaction zone into direct contact with said initiator solution in said reaction zone, continuously passing the resulting intermixture containing telomer through said reactor and into a second reaction zone in a second reactor vessel while continuously passing gaseous 1,3-butadiene through fine apertures into said second reaction zone into direct contact with said reaction intermixture produced in said first reactor to produce additional quantities of telomer.

Claim 15

Dependent Claim 26 words

The process of claim 1, wherein said fine apertures having a size corresponding to a diameter in the range of about 2 to about 40 microns.

Claim 16

Dependent Claim 26 words

The process of claim 2, wherein said fine apertures having a size corresponding to a diameter in the range of about 2 to about 40 microns.

Claim 17

Dependent Claim 26 words

The process of claim 8, wherein said fine apertures having a size corresponding to a diameter in the range of about 2 to about 40 microns.

Claim 18

Dependent Claim 23 words

The process of claim 2, in which the rate of admission of the taxogen is maintained essentially constant to each of said reactors.

Claim 19

Dependent Claim 27 words

The process of claim 2, in which the initiator to taxogen ratio is controlled to maintain it essentially constant throughout the process of forming said liquid telomers.

Claim 20

Dependent Claim 30 words

The process of claim 8, in which the process is controlled whereby substantially the same number of polybutadiene molecules of equivalent molecular weight is formed in each of the reactors.

Claim 21

Dependent Claim 179 words

In a continuous process of producing normally liquid telomers in which there are interacted, as essential ingredients, a liquid telogen, an organometal initiator and a gaseous taxogen, and wherein the reactions which occur in said process comprise (a) chain transfer or transmetalation and (b) polymerization, and wherein the steps in which said (a) and (b) reactions were carried out are isolated to a substantial extent, the steps which comprise forming a solution of said initiator and said telogen whereby initially to metalate the telogen, continuously passing said solution to a first reaction zone in a first reactor vessel, continuously passing a controlled stream of the gaseous taxogen through fine apertures into said first reaction zone into direct contact with said initiator solution in said first reaction zone, continuously passing the resulting intermixture containing telomer through said reactor and into a second reaction zone in a second reactor vessel while continuously passing gaseous 1,3-butadiene through fine apertures into said second reaction zone into direct contact with said reaction intermixture produced in said first reactor to produce additional quantities of telomer.

Claim 22

Dependent Claim 179 words

In a continuous process of producing normally liquid telomers in which there are interacted, as essential ingredients, a liquid telogen, an organometal initiator and a gaseous taxogen, and wherein the reactions which occur in said process comprise (a) chain transfer or transmetalation and (b) polymerization, and wherein the steps in which said (a) and (b) reactions were carried out are isolated to a substantial extent, the steps which comprise forming a solution of said initiator and said telogen whereby initially to metalate the telogen, continuously passing said solution to a first reaction zone in a first reactor vessel, continuously passing a controlled stream of the gaseous taxogen through fine apertures into said first reaction zone into direct contact with said initiator solution in said first reaction zone, continuously passing the resulting intermixture containing telomer through said reactor and into a second reaction zone in a second reactor vessel while continuously passing gaseous 1,3-butadiene through fine apertures into said second reaction zone into direct contact with said reaction intermixture produced in said first reactor to produce additional quantities of telomer.

Claim 23

Dependent Claim 51 words

The process of claim 18, wherein during passage through said first reactor after contact of the metalated liquid telogen with the gaseous taxogen polymerization of said taxogen occurs, and wherein, prior to passage of said intermixture into said second reactor, remetalation occurs of the liquid telomer which has previously been formed.

Claim 24

Dependent Claim 26 words

The process of claim 19, in which the telogen comprises toluene, the taxogen comprises 1,3-butadiene, and the initiator is a complex of n-butyllithium and potassium t-butoxide.

Claim 25

Dependent Claim 25 words

The process of claim 19, in which the telogen comprises toluene, the taxogen comprises 1,3-butadiene, and the initiator is a complex of n-butyllithium and N,N,N,',N'-tetramethylethylenediamine.

Claim 26

Dependent Claim 25 words

The process of claim 19, in which the telogen comprises toluene, the taxogen comprises 1,3-butadiene, and the initiator is a complex of dilithiodiisoprene and N,N,N',N'-tetramethylethylenediamine.

Claim 27

Dependent Claim 36 words

A telomer according to claim 2, in which the viscosity of the liquid telomer prepared by the continuous process is from about one-tenth to about one-half that of the liquid telomer prepared by the batch process.

Claim 28

Dependent Claim 37 words

A telomer according to claim 2, in which the volatiles content of the liquid telomer prepared by the continuous process is from about one-tenth to about one-half that of the liquid telomer prepared by the batch process.

Claim 29

Dependent Claim 40 words

A telomer according to claim 2, in which the molecular weight distribution of the liquid telomer prepared by the continuous process is from about 10 to about 35% lower than that of the liquid telomer prepared by the batch process.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1980-09-19	1981-03-21	1981-09-20	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1984-09-19	1985-03-21	1985-09-20	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1988-09-19	1989-03-21	1989-09-20	$7700.00	Window Closed / Lapsed

Continuous telomerization process and its liquid products

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