Novel bingham fluids

Claim 2

A polymerization-initiating, polymerization-controlling or polymerization-modifying Bingham fluid composition suitable for continuous direct addition to a continuous olefin polymerization reaction system, said composition being a solid at ambient temperature and capable of flow under an applied pressure, said composition consisting essentially of: (a) a continuous solid phase consisting essentially of an intimate mixture of a wax and a liquid hydrocarbon, and (b) at least one functional material capable of initiating, controlling, or modifying a polymerization reaction uniformly dispered throughout the continuous solid phase of (a).

Claim 3

A composition of claim 1 in which the continuous solid phase of (a) consists essentially of 100 parts by weight of a wax and about 40 to 250 parts by weight of the liquid hydrocarbon.

Claim 4

A composition of claim 1 or 2 in which the functional material of (b) dispersed throughout the continuous solid phase of (a) is a solid at ambient temperature.

Claim 5

A composition of claim 1 or 2 in which the functional material of (b) dispersed throughout the continuous solid phase of (a) is a catalyst for the polymerization of a polymerizable olefin.

Claim 6

A composition of claim 1 or 2 in which the functional material of (b) dispersed throughout the continuous solid phase of (a) is a chromium compound.

Claim 7

A composition of claim 1 or 2 in which the functional material of (b) dispersed throughout the continuous solid phase of (a) is the reaction product of a salt of a transition metal of Group IV-B, V-B, or VI-B of the Periodic Table and an organometallic compound of a metal of Group II-A, II-B, or III-A of the Periodic Table.

Claim 8

A composition of claim 1 or 2 in which the functional material of (b) dispersed throughout the continuous solid phase of (a) is the reaction product of a titanium chloride and an aluminum alkyl.

Claim 9

A polymer-modifying Bingham fluid composition suitable for continuous direct addition to a molten polymer stream, said composition being a solid at ambient temperature and capable of flow under an applied pressure, said composition consisting essentially of: (a) a continuous solid phase consisting essentially of an intimate mixture of a wax and a liquid hydrocarbon, and (b) at least one functional material capable of modifying a solid polymer uniformly dispersed throughout the continuous solid phase of (a).

Claim 10

A polymer-modifying Bingham fluid composition suitable for continuous direct addition to a molten polymer stream, said composition being a solid at ambient temperature and capable of flow under an applied pressure, said composition consisting essentially of: (a) a continuous solid phase consisting essentially of an intimate mixture of a wax and a liquid hydrocarbon, and (b) at least one functional material capable of modifying a solid polymer uniformly dispersed throughout the continuous solid phase of (a).

Claim 11

A composition of claim 8 in which the continuous solid phase of (a) consists essentially of 100 parts by weight of a wax and about 40 to 250 parts by weight of the liquid hydrocarbon.

Claim 12

A composition of claim 8 or 9 in which the functional material of (b) dispersed throughout the continuous solid phase of (a) is a solid at ambient temperature.

Claim 13

A composition of claim 8 or 9 in which the solid functional material of (b) dispersed throughout the continuous solid phase of (a) is a finely-divided inorganic material.

Claim 14

A composition of claim 8 or 9 in which at least one of the functional materials is a colorant.

Claim 15

A composition of claim 8 or 9 in which at least one of the functional materials is carbon black.

Claim 16

A composition of claim 8 or 9 in which at least one of the functional materials is an antiblock agent.

Claim 17

A composition of claim 8 or 9 in which at least one of the functional materials consists predominately of siliceous material.

Claim 18

A composition of claim 8 or 9 in which at least one of the functional materials is diatomaceous earth.

Claim 19

A composition of claim 8 or 9 in which at least one of the functional materials is an antioxidant.

Claim 20

A composition of claim 8 or 9 in which at least one of the functional materials is a slip agent.

Claim 21

A composition of claim 1, 2, 8, or 9 in which the wax is a hydrocarbon wax.

Claim 22

A composition of claim 1 or8 in which the mixture of (a) consists essentially of 100 parts by weight of a hydrocarbon wax and about 80-150 parts by weight of the liquid hydrocarbon.

Claim 23

A process for the preparation of a Bingham fluid composition having finely-divided particles of a first solid material uniformly distributed throughout a solid hydrocarbon mixture which consists essentially of: (a) stirring a heated mixture of: (i) a hydrocarbon wax, (ii) a hydrocarbon which is a liquid at ambient temperature, and (iii) finely-divided particles of a solid material which does not dissolve in a heated mixture of (i) and (ii) to suspend the solid particles of (iii) in a liquid phase, and (b) cooling the mixture of step (a) to ambient temperature to recover a Bingham fluid containing the finely-divided solid material of (iii) uniformly dispersed throughout a continuous solid phase which consists essentially of an intimate mixture of the hydrocarbon wax and the hydrocarbon liquid; the hydrocarbon wax and the liquid hydrocarbon employed in step (a) being present in proportion such that, upon cooling to ambient temperature, they will form a continuous solid phase which will flow at ambient temperature under an applied pressure.

Claim 24

A process for the preparation of a Bingham fluid composition having finely-divided particles of a first solid material uniformly distributed throughout a solid hydrocarbon mixture which consists essentially of: (a) stirring a heated mixture of: (i) a hydrocarbon wax, (ii) a hydrocarbon which is a liquid at ambient temperature, and (iii) finely-divided particles of a solid material which does not dissolve in a heated mixture of (i) and (ii) to suspend the solid particles of (iii) in a liquid phase, and (b) cooling the mixture of step (a) to ambient temperature to recover a Bingham fluid containing the finely-divided solid material of (iii) uniformly dispersed throughout a continuous solid phase which consists essentially of an intimate mixture of the hydrocarbon wax and the hydrocarbon liquid; the hydrocarbon wax and the liquid hydrocarbon employed in step (a) being present in proportion such that, upon cooling to ambient temperature, they will form a continuous solid phase which will flow at ambient temperature under an applied pressure.

Claim 25

A process of claim 21 in which the solid material distributed throughout the solid hydrocarbon mixture is a chromium polymerization catalyst.

Claim 26

A process for preparing a Ziegler-type catalyst composition having good storage characteristics and a reduced tendencey to be deactivated by exposure to atmospheric moisture and oxygen which consists essentially of: (a) stirring a heated mixture of: (i) a hydrocarbon wax, (ii) a hydrocarbon which is a liquid at ambient temperature, (iii) a salt of a transition metal of Group IV-B, V-B, or VI-B of the Periodic Table, and (iv) an organometallic compound of a metal of Group II-A, II-B, or III-A of the Periodic Table, to form a finely-divided solid reaction product of (iii) and (iv) suspended in a liquid phase, and (b) cooling the mixture of step (a) to ambient temperature to recover a Bingham fluid composition consisting essentially of a finely-divided reaction product of the transition metal compound and the organometallic compound uniformly dispered in a continuous solid phase which consists essentially of an intimate mixture of the hydrocarbon wax and liquid hydrocarbon; the hydrocarbon wax and the liquid hydrocarbon employed in step (a) being present in proportions such that, upon cooling to ambient temperature, they will form a continuous solid phase which will flow at ambient temperature under an applied pressure; the transition metal salt and the organmetallic compound being employed in proportions to form an active olefin polymerization catalyst.

Claim 27

A process for preparing a Ziegler-type catalyst composition having good storage characteristics and a reduced tendencey to be deactivated by exposure to atmospheric moisture and oxygen which consists essentially of: (a) stirring a heated mixture of: (i) a hydrocarbon wax, (ii) a hydrocarbon which is a liquid at ambient temperature, (iii) a salt of a transition metal of Group IV-B, V-B, or VI-B of the Periodic Table, and (iv) an organometallic compound of a metal of Group II-A, II-B, or III-A of the Periodic Table, to form a finely-divided solid reaction product of (iii) and (iv) suspended in a liquid phase, and (b) cooling the mixture of step (a) to ambient temperature to recover a Bingham fluid composition consisting essentially of a finely-divided reaction product of the transition metal compound and the organometallic compound uniformly dispered in a continuous solid phase which consists essentially of an intimate mixture of the hydrocarbon wax and liquid hydrocarbon; the hydrocarbon wax and the liquid hydrocarbon employed in step (a) being present in proportions such that, upon cooling to ambient temperature, they will form a continuous solid phase which will flow at ambient temperature under an applied pressure; the transition metal salt and the organmetallic compound being employed in proportions to form an active olefin polymerization catalyst.

Claim 28

A process of claim 23 in which the transition metal salt is a titanium chloride and the organometallic compound is an aluminum alkyl.

Claim 29

An ethylene polymerization initiating Bingham fluid composition which is a solid at subambient temperatures but which will flow under an applied pressure consisting essentially of: (a) a continuous solid phase consisting essentially of an intimate mixture of 100 parts by weight of a C 10 to C 15 aliphatic hydrocabon and about 40-250 parts by weight of ethylene, and (b) an ethylene polymerization catalyst uniformly dispersed throughout the continuous phase.

Claim 30

An ethylene polymerization initiating Bingham fluid composition which is a solid at subambient temperatures but which will flow under an applied pressure consisting essentially of: (a) a continuous solid phase consisting essentially of an intimate mixture of 100 parts by weight of a C 10 to C 15 aliphatic hydrocabon and about 40-250 parts by weight of ethylene, and (b) an ethylene polymerization catalyst uniformly dispersed throughout the continuous phase.