CN107000256A - 聚烯烃组合物的制备工艺 - Google Patents
聚烯烃组合物的制备工艺 Download PDFInfo
- Publication number
- CN107000256A CN107000256A CN201580062571.0A CN201580062571A CN107000256A CN 107000256 A CN107000256 A CN 107000256A CN 201580062571 A CN201580062571 A CN 201580062571A CN 107000256 A CN107000256 A CN 107000256A
- Authority
- CN
- China
- Prior art keywords
- polyolefin
- flow velocity
- additive
- hopper
- polyolefin powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 212
- 239000000203 mixture Substances 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims description 14
- 238000005516 engineering process Methods 0.000 title description 4
- 239000000843 powder Substances 0.000 claims abstract description 115
- 239000000654 additive Substances 0.000 claims abstract description 103
- 230000000996 additive effect Effects 0.000 claims abstract description 80
- 238000001125 extrusion Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 55
- 239000008188 pellet Substances 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 230000004044 response Effects 0.000 claims abstract description 18
- 230000002902 bimodal effect Effects 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 31
- 229920000642 polymer Polymers 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 21
- -1 polyethylene Polymers 0.000 claims description 18
- 239000004698 Polyethylene Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 10
- 239000004215 Carbon black (E152) Substances 0.000 claims description 9
- 229930195733 hydrocarbon Natural products 0.000 claims description 9
- 239000006187 pill Substances 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 150000004291 polyenes Chemical class 0.000 claims description 6
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 3
- 150000001336 alkenes Chemical group 0.000 description 13
- 238000006116 polymerization reaction Methods 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000005469 granulation Methods 0.000 description 8
- 230000003179 granulation Effects 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 4
- 239000004597 plastic additive Substances 0.000 description 4
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 4
- 238000009827 uniform distribution Methods 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 125000004836 hexamethylene group Chemical class [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- XWJBRBSPAODJER-UHFFFAOYSA-N 1,7-octadiene Chemical compound C=CCCCCC=C XWJBRBSPAODJER-UHFFFAOYSA-N 0.000 description 2
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N 1-Heptene Chemical compound CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 2
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical class CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 241001575049 Sonia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001195 anabolic effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000007909 melt granulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- SJYNFBVQFBRSIB-UHFFFAOYSA-N norbornadiene Chemical compound C1=CC2C=CC1C2 SJYNFBVQFBRSIB-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000011990 phillips catalyst Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/007—Methods for continuous mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/748—Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7485—Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of the components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/298—Feeding the extrusion material to the extruder in a location other than through a barrel, e.g. through a screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
- G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92085—Velocity
- B29C2948/92104—Flow or feed rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/286—Raw material dosing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2507/00—Use of elements other than metals as filler
- B29K2507/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/18—Bulk density
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
一种用于在配备有至少一个料斗的挤出机设备中连续地制备聚烯烃组合物的工艺,该聚烯烃组合物包括双模态或多模态聚烯烃以及一种或一种以上的添加剂,该工艺包括将双模态或多模态聚烯烃以聚烯烃粉末的形式供应到料斗;测量聚烯烃粉末的流速,或者测量制备的聚烯烃丸粒的流速;将一种或一种以上的添加剂供应到相同的料斗;响应于聚烯烃粉末的测量的流速而调整供应到料斗的一种或一种以上的添加剂的流速,或者响应于聚烯烃丸粒的流速而调整聚烯烃粉末的流速;在挤出机设备中将聚烯烃粉末和添加剂熔融并均化;以及使熔融的聚烯烃组合物粒化。
Description
技术领域
本发明提供了一种连续地制备聚烯烃组合物的工艺,该聚烯烃组合物包括双模态或多模态聚烯烃以及一种或一种以上的添加剂。本发明具体地提供一种连续地制备包括聚烯烃以及一种或一种以上的添加剂的聚烯烃组合物的工艺,其中聚烯烃是双模态或多模态的高密度聚乙烯。
背景技术
聚烯烃是最广泛使用的商业化聚合物。然而,为了实现和保持期望特性,有必要为聚合物配备额外的物质。这些所谓的塑料添加剂是辅助化合物,尽管添加剂的添加量很小,却能够显著地影响聚合物的特性,并使聚合物在商业上可用。在粒化步骤过程中发生聚合反应之后,添加剂和聚烯烃通常直接组合在一起。
美国第4,448,736号专利在制备降解聚合物的工艺中公开了一种连续流水线熔体流速控制系统,其中对来自挤出机的熔体的滑流粘度进行监测,并调整供给到挤出机中的降解剂(比如过氧化物)的量。欧洲专利EP 2 030 757 A1中描述了一种对挤出装置进行吹扫的工艺,其通过吹扫聚合物,使残余量的挤出聚合物发生位移,从而通过将残余量的挤出聚合物从挤出装置上去除而实现。用于将聚合物粉末供给到挤出装置的设备上配备有流量计。
具有卓越的性能组合的聚烯烃是所谓的双模态或多模态聚烯烃。通常,这些聚合物是在通常具有不同的聚合条件的两个或两个以上的聚合反应器级联下制备而成。对于在这种聚合工艺中获得的聚烯烃粉末,其各个颗粒可能在其组合过程中发生显著变化。因此,需要特别努力来使粒化步骤中的这些聚乙烯均化。例如,专利WO 2004/096523 A1中公开了一种用于使多模态或双模态聚烯烃熔融和均化的特殊的挤出机构型。
然而,为了制备出具有卓越特性的双模态或多模态聚烯烃,不仅需要使聚烯烃的聚合物组分被极好地均化,而且需要让塑料添加剂很均匀地分布在聚合物内。这种均匀度不仅应该包含整个聚合物材料中非常均匀的均化,而且包含塑料添加剂与聚烯烃材料的比率、以及不同添加剂之间的比率对于所有的聚烯烃丸粒而言均基本上相同。此外,通过采用可靠且经济的方法,应当可以实现这种均匀分布。
因此,需要克服现有技术的缺点,并提供一种工艺,使得能够实现添加剂在包括双模态或多模态聚乙烯的聚烯烃中(尤其是在包括双模态或多模态高密度聚乙烯的聚烯烃组合物中)非常均匀的分布,且该工艺可以经济地、可靠地、高定量准确性地进行。
发明内容
本发明提供了一种在配备有至少一个料斗的挤出机设备中连续地制备聚烯烃组合物的工艺,该聚烯烃组合物包括双模态或多模态聚烯烃以及一种或一种以上的添加剂,其中聚烯烃丸粒在挤出机设备中由聚烯烃组合物制备而成,该工艺包括:
(i)将聚烯烃粉末形式的双模态或多模态聚烯烃供应到料斗内;
(ii)测量供应到料斗内的聚烯烃粉末的流速,或者测量挤出机设备中制备的聚烯烃丸粒的流速;
(iii)将一种或一种以上的添加剂供应到相同的料斗;
(iv)当测量供应到料斗内的聚烯烃粉末的流速时,响应于聚烯烃粉末的测量的流速而调整供应到料斗内的一种或一种以上的添加剂的流速,或者当测量挤出机设备中制备的聚烯烃丸粒的流速时,响应于聚烯烃丸粒的测量的流速而调整供应到料斗内的聚烯烃粉末的流速,并且响应于聚烯烃丸粒的测量的流速,将供应到料斗内的一种或一种以上的添加剂的流速保持恒定或者调整一种或一种以上的添加剂的流速;
(v)将聚烯烃粉末和添加剂从料斗转移到挤出机设备中;
(vi)在挤出机设备中使聚烯烃粉末和添加剂熔融并均化,以形成熔融的聚烯烃组合物;以及
(vii)使熔融的聚烯烃组合物粒化。
在一些实施例中,测量聚烯烃粉末的流速。
在一些实施例中,测量挤出机设备中制备的聚烯烃丸粒的流速。
在一些实施例中,采用固体流量计来测量聚烯烃粉末的流速或聚烯烃丸粒的流速。
在一些实施例中,从储存容器供应聚烯烃粉末,采用卸料辅助装置使聚烯烃粉末在储存容器内保持自由流动状态。
在一些实施例中,聚烯烃粉末以及一种或一种以上的添加剂首先被供应到混合设备中,其将聚烯烃粉末和添加剂进行混合,然后聚烯烃粉末和添加剂的混合物从混合设备被转移到料斗,其中,在将一种或一种以上的添加剂供应到混合设备的同时,对一种或一种以上的添加剂的流速进行测量,并且响应于供应到混合设备中的聚烯烃粉末的测量的流速而调整供应到混合设备的一种或一种以上的添加剂的流速,或者响应于聚烯烃丸粒的测量的流速而调整供应到混合设备的一种或一种以上的添加剂和聚烯烃粉末的流速。
在一些实施例中,混合设备是桨叶式混合机,其包括两个水平朝向的反向旋转轴。
在一些实施例中,聚烯烃粉末在重力作用下从储存容器被转移到料斗。
在一些实施例中,通过在至少两个级联的聚合反应器中对一种或一种以上的1-烯烃进行聚合而获得聚烯烃粉末。
在一些实施例中,聚烯烃聚乙烯中。
在一些实施例中,聚烯烃是高密度聚乙烯,根据ISO 1183在23℃下测定的其密度为从0.945到965g/cm3。
在一些实施例中,添加剂的一种是炭黑。
在一些实施例中,炭黑以炭黑母料的形式供给。
在一些实施例中,该工艺另外包括
(viii)将聚烯烃丸粒供应到相同的料斗;以及
(ix)响应于聚烯烃粉末的测量的流速或者响应于聚烯烃丸粒的测量的流速而调整供给到料斗的聚合物丸粒的流速。
在一些实施例中,挤出机设备是具有反向旋转和相互啮合式双螺杆的连续混合机,或者挤出机设备包括至少一个共同旋转的双螺杆挤压机。
附图说明
尽管公开了多个实施例,但通过以下具体实施方式,本领域技术人员将容易理解又一些其它实施例。显而易见的是,在不背离本文所提出的权利要求的精神和范围的前提下,本文公开的某些实施例能够在各个明显方面进行修改。因此,附图和具体实施方式将被视为示例性的而非限制性的。
以下图表示出了本文公开的主题的优选实施例。通过参照以下说明并结合附图,可以了解所公开的主题,其中相似的附图标记表示相似的元件,且其中:
图1示意性地示出了根据本发明的用于制备聚烯烃组合物的适当装置,其中将聚烯烃粉末和添加剂直接供应到挤出机设备的料斗内。
图2示意性地示出了根据本发明的用于制备聚烯烃组合物的一种适当装置,其中首先将聚烯烃粉末和添加剂供应到混合设备,然后再转移到挤出机设备的料斗内。
具体实施方式
本发明涉及一种制备聚烯烃组合物的工艺,该聚烯烃组合物包括双模态或多模态聚烯烃以及一种或一种以上的添加剂。通过对烯烃进行聚合,尤其是对1-烯烃(即具有末端双键的烃)进行聚合而获得合适的烯烃,但并不限于此。优选的单体是非极性烯烃化合物,包含芳基取代的1-烯烃。特别优选的1-烯烃是线型或支链C2-C12-1-烯类,尤其是线型C2-C10-1-烯类,比如乙烯、丙烯、1-丁烯、1-戊烯、1-己烯、1-庚烯、1-辛烯、1-癸烯,或支链C2-C10-1-烯类,比如4-甲基-1-戊烯,共轭的和非共轭的二烯,比如1,3-丁二烯、1,4-己二烯、或1,7-辛二烯,或乙烯基芳族化合物,比如苯乙烯或取代苯乙烯。还可以对各种1-烯烃的混合物进行聚合。合适的烯烃还包含双键是环形结构的一部分的那些烯烃,环形结构可以具有一个或一个以上的环系统。实例为环戊烯、降冰片烯、四环十二碳烯或甲基降冰片烯,或者二烯,比如5-亚乙基-2-降冰片烯、降冰片二烯或乙基降冰片二烯。还可以对两种或两种以上的烯烃的混合物进行聚合。
本发明的工艺具体地为制备聚烯烃组合物的工艺,该聚烯烃组合物包括通过乙烯或丙烯的均聚或共聚而获得的聚烯烃。由于丙烯聚合中的共聚单体的优选用量至多40重量%的乙烯和1-丁烯。
在一个优选实施例中,本发明的工艺是指制备聚烯烃组合物,该聚烯烃组合物包括通过乙烯的均聚或共聚而获得的烯烃。特别优选的是制备包括聚乙烯类的聚烯烃组合物,其中乙烯与至多40重量%的C3-C8-1-烯类(优选地为1-丁烯、1-戊烯、1-己烯、1-辛烯或其混合物)进行共聚。特别优选的工艺是,其中乙烯与至多20重量%的1-丁烯、1-己烯或其混合物进行共聚。
所有行业上已知的聚合方法都可以用于制备聚烯烃。这包括溶液工艺、悬浮液工艺以及气相工艺。聚合可以间歇地进行,或者优选地通过两个或两个以上的阶段连续进行。此类型的工艺对本领域技术人员而言通常是已知的。在所述的聚合工艺中,优选地为气相聚合工艺(尤其是在气相流化床反应器或多区域循环气相反应器中)以及悬浮液聚合工艺(尤其是在环形反应器或搅拌釜式反应器中)。
本发明的工艺可以用于制备所有类型的常见聚烯烃聚合物形成的聚烯烃组合物。本发明的工艺尤其适于制备包括双模态或多模态聚烯烃的聚烯烃组合物,其中,术语双模态和多模态是指分子量分布的模态。可以在不同的反应条件下,在两个或两个以上的级联的聚合反应器中获得这种聚合物。因此,“模态”是指用于制备聚烯烃所用的不同聚合条件的数量,而不管这种模态的分子量分布在凝胶渗透色谱(GPC)曲线中是否可以被视为单独的极值。本领域经常使用的以及本文也使用的术语多模态可以包含双模态。除了分子量分布之外,聚烯烃聚合物还可以具有共聚单体分布,其中优选地,具有较高分子量的聚合物链的共聚单体含量高于具有较低分子量的聚合物链的平均共聚单体含量。然而,还可以在反应级联的所有聚合反应器中采用相同或非常相似的反应条件,并因此制备窄分子量的聚烯烃聚合物。然而,在不同的反应条件下操作的级联的聚合反应器中制备多模态聚烯烃的复杂性在于:由于不同的反应器中各个聚烯烃颗粒的不同停留时间,聚烯烃粉末的各个聚烯烃颗粒的组合物可能明显不同。
可以采用所有常规的烯烃聚合催化剂进行聚合。也就是说,例如,可以采用基于氧化铬的菲利浦催化剂、采用钛基齐格勒或齐格勒-纳塔催化剂、采用单点催化剂、或采用此类催化剂的混合物进行聚合。用于烯烃聚合的这些催化剂的制备和使用通常是已知的。
所获得的聚烯烃通常为粉末,即微小颗粒的形式。颗粒通常具有或多或少规则的形态和尺寸,这取决于催化剂的形态和尺寸以及聚合条件。根据所用的催化剂,聚烯烃粉末的颗粒通常具有的平均直径为从几百到几千微米。在铬催化剂的情况下,平均粒径通常为从约300到约1600μm,在齐格勒型催化剂的情况下,平均粒径通常为从约100到约3000μm。优选的聚烯烃粉末具有的平均粒径为从150到250μm。例如,通过筛分可以有利地确定粒径分布。合适的方法为:比如振动筛分分析或在空气喷射条件下的筛分分析。
制备本发明的聚烯烃组合物所用的优选聚烯烃是聚乙烯,其具有从50到100重量%的乙烯含量,更优选地从80到100重量%,尤其地从98到100重量%。因此,聚乙烯中的其它烯类的含量为优选地从0到50重量%,更优选地从0到20重量%,尤其地从0到2重量%。
采用本发明的工艺所得的优选聚乙烯组合物的密度为从0.90g/cm3到0.97g/cm3。优选地,该密度在从0.920g/cm3到0.968g/cm3的范围之内,具体地在从0.945g/cm3到0.965g/cm3的范围之内。该密度应被理解为根据DIN EN ISO 1183-1:2004标准的方法A(浸入法)测定的密度,该方法采用2mm厚度的压塑板块,在180℃、20MPa的条件下加压8分钟,然后置于沸水中结晶30分钟。
根据DIN EN ISO 1133:2005标准的条件G测定的聚乙烯组合物在190℃、21.6kg载荷条件下的熔体流速MFR21.6为从1g/10分钟到80g/10分钟,优选地为从2g/10分钟到50g/10分钟,具体地为从5g/10分钟到25g/10分钟。
通过将聚烯烃与一种或一种以上的添加剂进行组合来制备聚烯烃组合物。此类添加剂是本领域已知的。然而,尤其是对于多模态的聚烯烃,有必要让它们均匀地分布在聚烯烃内。用于制备聚烯烃组合物的适当类型的添加剂为:例如,抗氧化剂、光稳定剂、除酸剂、滑润剂、加工助剂、防粘连剂、助滑剂、防静电剂、防雾剂、颜料或染料、成核剂、阻燃剂或填料。通常,将几种添加剂添加到聚烯烃组合物中。多种添加剂可以是不同类型的添加剂。然而,还可以将一种类型的添加剂的多个典型添加到一种聚烯烃组合物中。所有这些类型的添加剂通常均可以在市面上购得,并在例如汉斯·茨魏费尔(慕尼黑)所著的《塑料添加剂手册》(第5版)(2001)中进行了描述。
在本发明的一个优选实施例中,其中一种添加剂是炭黑。然后,聚烯烃组合物通常不仅配备炭黑,而且进一步配备一种或一种以上的其它添加剂。优选地,炭黑以炭黑母料的形式被供应到挤出机设备的料斗内。
采用配备有至少一个料斗的挤出机设备来进行本发明的工艺。料斗用于接收旨在供给到挤出机设备的材料。然后,将材料从料斗转移到挤出机设备。本发明的挤出机设备配备有至少一个料斗,聚烯烃粉末和至少一种添加剂被供应到其内。然而,挤出机设备还可以配备有一个或一个以上的料斗,用于将其它材料供应到挤出机设备。
挤出机设备用于熔融聚烯烃粉末、将此类聚烯烃熔体均化、并将添加剂均匀地分布在聚烯烃熔体内。优选地,通过将热和机械能施加到聚烯烃粉末和添加剂的混合物而实现这种情况。用于本发明的工艺的合适的挤出机设备为挤出机或连续混合机。这些挤出机或混合机可以是单级或两级机器,其将聚乙烯组合物熔融并均化。挤出机的实例为销钉式挤出机、行星挤出机、或转盘式处理机。其它可能性为具有卸料螺旋和/或齿轮泵的混合机的组合。优选的挤出机为螺杆挤出机,尤其是构造为双螺杆机器的挤出机。特别优选的是双螺杆挤出机和具有卸料元件的连续混合机,尤其是具有反向旋转和相互啮合式双螺杆的连续混合机,或者包括至少一个同向旋转双螺杆挤压机的挤出机设备。在塑料行业中,这种类型的机械是常见的,其制造商如下:德国斯图加特市的科倍隆公司;德国汉诺威市的克劳斯玛菲机械公司;日本东京的日本钢铁厂有限公司;美国安索尼亚市的法拉尔公司;或者日本神户的神户制钢公司。合适的挤出机设备通常进一步配备有用于使熔体粒化的单元,比如水下造粒机。
本发明的工艺的特征在于,聚烯烃粉末形式的聚烯烃以及一种或一种以上的添加剂被供应到一个料斗内,然后将组合材料转移到挤出机设备中进行熔融和进一步的混合。优选地,从储存容器尤其是从具有锥形底部的储存容器中供应聚烯烃粉末。在一个优选实施例中,用于供应聚烯烃粉末的储存容器配备有卸料辅助装置,其将聚烯烃粉末保持为自由流动状态。例如,优选的卸料辅助装置为将惰性气体(优选为氮气)引入到储存容器的底部,更优选地引入到储存容器的锥形底部。优选地,在重力作用下将聚烯烃粉末从储存容器进行转移。
优选地,从添加剂的专用储存容器中供应添加剂。然而,还可以直接从运输容器(比如大袋)直接供应添加剂。制备本发明的聚烯烃组合物所用的添加剂可以按固态形式提供,优选地为微小颗粒的形式,或者它们可以是液态,或者它们可以按溶解形式进行供给。可以单独地供应所有的添加剂,或者可以供应一种或一种以上的添加剂混合物(其包括一些所选择的添加剂),或者所有添加剂的混合物与聚烯烃粉末一起提供。优选地,以固态颗粒的形式提供所有添加剂。
制备的聚烯烃组合物包括聚烯烃和一种或一种以上的添加剂。制备的聚烯烃组合物的组合物优选地由配方来定义,配方中指明所用的聚烯烃粉末的特性、添加剂的特性、它们的数目、它们的数量以及它们的比率。对于不同批次制备的聚烯烃组合物,制备的聚烯烃组合物的成分可能明显不同。然而,所有的聚烯烃组合物均包括大部分的聚烯烃。优选地,制备的聚烯烃组合物的聚烯烃部分为从80到99.98重量%,更优选地为从95到99.95重量%,尤其地从98到99.9重量%。本发明不仅涉及制备这种聚烯烃组合物,使得添加剂在聚烯烃组合物中非常均匀的分布,而且涉及以经济可靠的方式,采用非常恒定的组分比率来精确地制备这些组合物。
优选地,采用合适的供给设备(比如旋转阀或螺杆给料机)来调节供应到挤出机设备的料斗内的聚烯烃粉末的量。通过改变供给设备的速度,可以改变供应到挤出机设备的聚烯烃粉末的量。优选地,采用控制器来控制供给设备的速度,使得聚烯烃粉末的供给量对应于聚烯烃组合物中所需的聚烯烃部分所对应的预选设定点。
根据本发明的一个优选实施例,基于聚烯烃粉末的实际供应量(甚至对于高流速的聚烯烃粉末),通过调整供给到挤出机设备的一种或一种以上的添加剂的流速,从而确保将聚烯烃组合物中的添加剂和聚烯烃的比率保持恒定。采用供应到挤出机内的聚烯烃粉末的实际供给量来计算一种或一种以上的添加剂的这些设定点,通过对添加剂的流速进行相应的修改,来瞬时补偿聚烯烃粉末供给设备的细微速度变化。这一点不同于简单地使用聚烯烃组合物的配方所得的设定点来调节一种或一种以上的添加剂的流速。因此,要连续地测量供应到挤出机设备的料斗内的聚烯烃粉末的量。通过连续测定聚烯烃粉末的流速来实现这种情况。
根据本发明的另一个优选实施例,测量挤出机设备中制备的聚烯烃丸粒的流速,而不是测量供应到挤出机设备的料斗内的聚烯烃粉末的流速,且基于挤出机设备中制出的聚烯烃丸粒的实际量来调整供应到挤出机设备的聚烯烃粉末的流速。通过采用制备的聚合物丸粒的流速测量值来调整聚烯烃粉末的流速,依然可以对聚烯烃粉末供给设备的速度变化进行补偿;然而,这大大降低了具有一定粘性的聚合物颗粒的聚合物流速可能出现的测量难度。优选地针对干燥的聚烯烃丸粒来测量聚烯烃丸粒的流速,即优选地在通常所用的水下造粒机和离心干燥机的下游。在该实施例中,供应到料斗内的一种或一种以上的添加剂的流速被恒定保持在预定值,且聚烯烃组合物中添加剂与聚烯烃的比率仅通过调整供应到料斗的聚烯烃粉末的流速来进行控制,或者,优选地基于挤出机设备中制备的聚烯烃丸粒的实际量来调整聚烯烃粉末的流速和供应到料斗的一种或一种以上的添加剂的流速,优选地采用不同的控制特性来控制一种或一种以上的添加剂的流速,并控制聚烯烃粉末的供给[是这样吗?]。
优选地,采用固体流量计来测量供应到料斗内的聚烯烃粉末的流速或者挤出机设备中制备的聚烯烃丸粒的流速。合适的固体流量计可以使用冲击板、计量漏斗或科里奥利测量技术。此类固体流量计可以从市场上购得,比如来自美国威斯康星州白水市的申克集团,或者来自德国盖尔恩豪森市的科倍隆集团。固体流量计优选地配备有控制器。该控制器允许调整供给设备的速度,供给设备基于聚烯烃粉末的实际供应量相关的信息而将聚烯烃粉末供应到挤出机。
供应到料斗的聚烯烃粉末的测量的流速、或者聚烯烃丸粒的测量的流速被用于调整供应到料斗的一种或一种以上的添加剂的流速。为此,固体流量计的控制器向计算单元(比如计算机)传输指示供应到料斗的聚烯烃粉末的流速的信号。计算设备持续计算期望流到料斗的添加剂的设定点,该设定点表示实际供应到挤出机设备的聚烯烃粉末的量。
在本发明的一个优选实施例中,用于制备聚烯烃组合物的工艺进一步包括另外供应聚烯烃丸粒到挤出机设备的料斗。该选项提供了进一步将已经粒化的聚合物材料添加到聚烯烃组合物中的可能性。优选地,这些粒化的聚合物材料被少量添加。能够被有利地添加到聚烯烃组合物中的粒化的聚合物材料的实例为:先前制备的、不符合指定特性要求的聚烯烃组合物,或者在聚合过程中获得的、从一种聚烯烃等级过渡到另一种的过渡材料。优选地,聚烯烃丸粒被供应到与聚烯烃粉末和添加剂相同的料斗。优选地,还基于供应到料斗的聚烯烃粉末的测量的流速、或者基于聚烯烃丸粒的测量的流速来调整供应到料斗的聚烯烃丸粒的流速。然后,计算设备连续地计算期望流到料斗的聚烯烃丸粒的设定点。
聚烯烃粉末和添加剂的组合物从料斗被转移到挤出机设备中,然后在挤出机设备中被熔融和均化。然后,熔体穿过粒化单元,并在此处被转化为丸粒。
在本发明的一个优选实施例中,聚烯烃粉末和添加剂并非直接被供应到挤出机的料斗,而是首先进行混合,然后作为混合物被供应到挤出机设备的料斗。为此,聚烯烃粉末和一种或一种以上的添加剂被供应到混合设备中。然后,响应于供应到混合设备的聚烯烃粉末的流速而调整供应到混合设备的一种或一种以上的添加剂的流速。或者,响应于聚烯烃丸粒的测量的速率而调整供应到混合设备的聚烯烃粉末的速率。优选的混合设备为包括两个水平朝向的反向旋转轴的桨叶混合机。轴配备有适当几何形状的桨叶。旋转轴使得聚烯烃粉末和添加剂沿轴的轴线水平移动,并同时对它们进行强力混合。此类桨叶混合机可在市场上获得,比如:来自德国阿登纳市公司,或者德国路德维希港Engelsmann AG公司。聚烯烃粉末和添加剂的混合物在轴的端处从混合设备排出,然后优选地在重力作用下被转移到挤出机设备的料斗。
图1示意性地示出了根据本发明的用于制备聚烯烃组合物的一种适当装置,然而,并不将本发明限制于其中所述的实施例。
聚烯烃粉末经由管线(1)被供应到聚烯烃粉末储存容器(2)。为了保持聚烯烃粉末在储存容器(2)中的流动性,经由管线(3)从底部向储存容器(2)内引入氮气。聚烯烃粉末经由管线(4)被供应到由电机M操作的旋转阀(5)。然后,聚烯烃粉末在重力作用下经由管线(6)被进一步转移到也由电机M操作的挤出机设备(8)。通过改变旋转阀(5)的电机M的速度,可以调整供应到料斗(7)的聚烯烃粉末的流速。在从旋转阀(5)到料斗(7)的途中,聚烯烃粉末穿过固体流量计(9),其测量流到料斗(7)的聚烯烃粉末的流速,也就是说,测量每个时间单位内转移到料斗(7)的聚烯烃粉末的量。固体流量计(9)配备有控制器(10)。一方面,如果固体流量计(9)所测量的流速不同于控制器(10)中先前执行的流速的目标设定点,那么控制器(10)向旋转阀(5)的电机M发送信号(11)以调整聚烯烃粉末的流速。另一方面,控制器(10)还向计算单元(13)发送信号(12),该信号(12)指示从储存容器(2)到料斗(7)的聚烯烃粉末的流速。
图1示出了包括定量设备(15)的两个大体上相同的单元,用于将添加剂以微粒形态供给到料斗(7)。然而,还可以用一个或三个或三个以上的这些添加剂供给单元来操作本发明的工艺。在每个单元内,经由管线(14)将添加剂或添加剂混合物供应到由电机M操作的定量设备(15)。定量设备(15)能够称量出定量到管线(16)内的添加剂或添加剂混合物的量,添加剂经由该管线(16)被供应到料斗(7)。每个定量设备(15)配备有控制器(17)。控制器(17)接收用于指示各个定量设备(15)定量到相应管线(16)内的添加剂的量的信号。计算单元(13)基于信号(12)(其指示从储存容器(2)到料斗(7)的聚烯烃粉末的流速)、并基于聚烯烃粉末的配方(其先前在计算单元(13)内被执行)而连续地计算被定量的添加剂的量的设定点。
聚烯烃粉末和添加剂全部经由管线(6)和(16)被供应到料斗(7),它们在料斗(7)内相接触。然后,聚烯烃粉末和添加剂的组合物被转移到挤出机设备(8)内,并在其内被熔融和均化。熔体在挤出机设备(8)内被转移到粒化单元(18),粒化的聚烯烃组合物经由管线(19)从粒化单元(18)排出。
图1中所示的装置进一步包含用于将聚合物丸粒供应到料斗(7)的单元。该单元具有丸粒储存容器(20),聚合物丸粒经由管线(21)被供应到丸粒储存容器(20)。聚烯烃丸粒经由管线(22)被供应到由电机M操作的旋转阀(23)。然后,聚烯烃丸粒经由管线(24)被进一步转移到挤出机设备(8)的料斗(7)。根据旋转阀(23)的电机M的速度得出供应到料斗(7)的聚烯烃丸粒的量,该速度是由计算单元(13)基于信号(12)(其指示从储存容器(2)到料斗(7)的聚烯烃粉末的流速)、并基于聚烯烃组合物的配方(其先前在计算单元(13)内被执行)而设置。
图2示意性地示出了根据本发明的制备聚烯烃组合物的一种优选装置,其中聚烯烃粉末和添加剂首先在混合设备(25)中被混合,然后被供应到挤出机设备(8)的料斗(7)。
图2中所示的用于制备聚烯烃组合物的装置与图1中所示的相同,不同之处在于聚烯烃粉末和添加剂是经由管线(6)和(16)被供应到混合设备(25)。混合设备优选地是桨叶式混合机,其包括两个水平朝向的反向旋转轴。聚烯烃粉末和添加剂的混合物在重力作用下经由管线(26)从混合设备(25)被转移到挤出机设备(8)的料斗(7)。
通过向挤出机的料斗供给粉末状(即微小颗粒的形式)的聚烯烃,并使已经在内的聚烯烃粉末与添加剂相接触,然后将聚烯烃和添加剂的组合物转移到挤出机设备内,通过这种方式,使得添加剂在整个所有制备的聚合物丸粒中形成非常均匀的分布。在供应到挤出机设备的料斗内之前,通过在混合设备中对聚烯烃粉末和添加剂进行预混合,即使制备聚烯烃组合物所用的聚烯烃粉末的各个颗粒在其组合物中存在显著差异,依然可以实现更加均匀的分布。此外,选择供应到挤出机设备的聚烯烃粉末的流速,将其作为调整添加剂的流速的参数,使得以非常恒定的比率非常准确地供给聚烯烃组合物的所有组分,而且通过这种方式,由于添加剂在制备的聚烯烃组合物中良好的分布均匀性,从而有助于聚烯烃组合物具有一致的特性。
Claims (15)
1.一种用于在配备有至少一个料斗的挤出机设备中连续地制备聚烯烃组合物的工艺,所述聚烯烃组合物包括双模态或多模态聚烯烃以及一种或一种以上的添加剂,其中聚烯烃丸粒在所述挤出机设备中由所述聚烯烃组合物制备而成,所述工艺包括:
(i)将聚烯烃粉末形式的双模态或多模态聚烯烃供应到所述料斗;
(ii)测量供应到所述料斗的所述聚烯烃粉末的流速,或者测量所述挤出机设备中制备的所述聚烯烃丸粒的流速;
(iii)将一种或一种以上的添加剂供应到相同的料斗;
(iv)当测量供应到所述料斗的所述聚烯烃粉末的流速时,响应于所述聚烯烃粉末的测量的流速而调整供应到所述料斗的所述一种或一种以上的添加剂的流速,或者当测量所述挤出机设备中制备的所述聚烯烃丸粒的流速时,响应于所述聚烯烃丸粒的测量的流速而调整供应到所述料斗的所述聚烯烃粉末的流速,并且响应于所述聚烯烃丸粒的测量的流速,将供应到所述料斗的所述一种或一种以上的添加剂的流速保持恒定或者调整所述一种或一种以上的添加剂的流速;
(v)将所述聚烯烃粉末和所述添加剂从所述料斗转移到所述挤出机设备中;
(vi)在所述挤出机设备中使所述聚烯烃粉末和所述添加剂熔融并均化,以形成熔融的聚烯烃组合物;以及
(vii)使所述熔融的聚烯烃组合物粒化。
2.根据权利要求1所述的工艺,其中测量所述聚烯烃粉末的流速。
3.根据权利要求1所述的工艺,其中测量所述挤出机设备中制备的所述聚烯烃丸粒的流速。
4.根据权利要求2或3所述的工艺,其中采用固体流量计来测量所述聚烯烃粉末的流速或者所述聚烯烃丸粒的流速。
5.根据权利要求1到4中的任一项所述的工艺,其中从储存容器供应所述聚烯烃粉末,采用卸料辅助装置使所述聚烯烃粉末在所述储存容器内保持自由流动状态。
6.根据权利要求1到5中的任一项所述的工艺,其中所述聚烯烃粉末以及所述一种或一种以上的添加剂首先被供应到混合设备中,所述混合设备将所述聚烯烃粉末和所述添加剂进行混合,然后所述聚烯烃粉末和所述添加剂的混合物从所述混合设备被转移到所述料斗,其中,在将所述一种或一种以上的添加剂供应到所述混合设备的同时,测量所述一种或一种以上的添加剂的流速,并且响应于供应到混合设备中的聚烯烃粉末的所述测量的流速而调整供应到所述混合设备的所述一种或一种以上的添加剂的流速,或者响应于所述聚烯烃丸粒的所述测量的流速而调整供应到所述混合设备的所述一种或一种以上的添加剂以及所述聚烯烃粉末的流速。
7.根据权利要求6所述的工艺,其中所述混合设备优选地是桨叶式混合机,其包括两个水平朝向的反向旋转轴。
8.根据权利要求1到7中的任一项所述的工艺,其中所述聚烯烃粉末在重力作用下从所述储存容器被转移到所述料斗。
9.根据权利要求1到8中的任一项所述的工艺,其中在至少两个级联的聚合反应器中对一种或一种以上的1-烯烃进行聚合而得到所述聚烯烃粉末。
10.根据权利要求1到9中的任一项所述的工艺,其中所述聚烯烃是聚乙烯。
11.根据权利要求10所述的工艺,其中所述聚乙烯是高密度聚乙烯,根据ISO 1183在23℃下进行测定,其具有的密度为从0.945到965g/cm3。
12.根据权利要求1到11中的任一项所述的工艺,其中所述添加剂的一种是炭黑。
13.根据权利要求12所述的工艺,其中所述炭黑以炭黑母料的形式进行供给。
14.根据权利要求1到13中的任一项所述的工艺,其另外包括:
(viii)将聚烯烃丸粒供应到相同的料斗;以及
(ix)响应于所述聚烯烃粉末的所述测量的流速或者响应于所述聚烯烃丸粒的所述测量的流速而调整供给到所述料斗的所述聚合物丸粒的流速。
15.根据权利要求1到14中的任一项所述的工艺,其中所述挤出机设备是具有反向旋转和相互啮合式双螺杆的连续混合机,或者所述挤出机设备包括至少一个共同旋转的双螺杆挤压机。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14196371 | 2014-12-04 | ||
EP14196371.0 | 2014-12-04 | ||
PCT/EP2015/078473 WO2016087566A1 (en) | 2014-12-04 | 2015-12-03 | Process for preparing a polyolefin composition |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107000256A true CN107000256A (zh) | 2017-08-01 |
CN107000256B CN107000256B (zh) | 2020-05-19 |
Family
ID=52102484
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580062571.0A Active CN107000256B (zh) | 2014-12-04 | 2015-12-03 | 聚烯烃组合物的制备工艺 |
CN201580063533.7A Active CN107000257B (zh) | 2014-12-04 | 2015-12-03 | 用于制备聚烯烃组合物的方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580063533.7A Active CN107000257B (zh) | 2014-12-04 | 2015-12-03 | 用于制备聚烯烃组合物的方法 |
Country Status (9)
Country | Link |
---|---|
US (4) | US20170259458A1 (zh) |
EP (2) | EP3186052B2 (zh) |
JP (2) | JP6411656B2 (zh) |
KR (2) | KR101997375B1 (zh) |
CN (2) | CN107000256B (zh) |
BR (2) | BR112017009533B1 (zh) |
RU (2) | RU2678264C2 (zh) |
SA (2) | SA517381557B1 (zh) |
WO (2) | WO2016087564A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111051029A (zh) * | 2017-09-01 | 2020-04-21 | 巴塞尔聚烯烃股份有限公司 | 制备聚烯烃组合物的方法 |
CN112497698A (zh) * | 2020-11-13 | 2021-03-16 | 湖北伟通管业科技有限公司 | 一种可提高炭黑应用效果的hdpe双壁波纹管生产挤出装置及方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2873685A1 (en) | 2013-11-13 | 2015-05-20 | Abu Dhabi Polymers Co. Ltd (Borouge) LLC. | Direct feeding of carbon black in the production of black compounds for pipe and wire and cable applications / Polymer composition with improved properties for pressure pipe applications |
EP3186052B2 (en) | 2014-12-04 | 2022-02-23 | Basell Polyolefine GmbH | Process for preparing polyolefin pellets of a polyolefin composition |
US10494200B2 (en) | 2016-04-25 | 2019-12-03 | Chevron Phillips Chemical Company Lp | Measurement of product pellets flow rate |
CN107825612B (zh) * | 2017-12-05 | 2020-06-02 | 阜阳佰恩得新材料技术有限公司 | 一种呋喃树脂高效生产工艺 |
CN113573862B (zh) | 2019-01-15 | 2023-05-26 | 恩尼斯-弗林特股份有限公司 | 用于制造热塑性产品和组合物的系统和方法 |
WO2021168422A1 (en) * | 2020-02-20 | 2021-08-26 | Birla Carbon U S A., Inc. | Filler structure retention inpolymeric compositions |
DE102020212546A1 (de) | 2020-10-05 | 2022-04-07 | Coperion Gmbh | Verarbeitungsanlage für Schüttgut und Verfahren zum Verarbeiten von Schüttgut |
KR102510715B1 (ko) * | 2020-10-13 | 2023-03-16 | 디엔에스동양화학 주식회사 | 표면에 패턴이 형성된 피브이시 샤시, 상기 피브이시 제조 방법 및 그 제조 장치 |
CN112476826A (zh) * | 2020-10-27 | 2021-03-12 | 鸡西瀚宇石墨烯科技有限公司 | 一种纺织母粒的加工设备及加工工艺 |
JP2023037752A (ja) * | 2021-09-06 | 2023-03-16 | 株式会社菊水製作所 | 粉体混合供給システム |
DE102022131350A1 (de) * | 2022-04-20 | 2023-10-26 | CiTEX Holding GmbH | Verfahren zum Extrudieren eines Extrusionsproduktes und Extrusionslinie |
WO2023208664A1 (en) * | 2022-04-26 | 2023-11-02 | Basell Poliolefine Italia S.R.L. | Process for preparing a polyolefin composition |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0191338A2 (de) * | 1985-02-14 | 1986-08-20 | Werner & Pfleiderer GmbH | Verfahren und Vorrichtung zur gesteuerten Zugabe von Farbkonzentraten in eine Schneckenmaschine |
CN1780724A (zh) * | 2003-04-30 | 2006-05-31 | 科倍隆W&P有限及两合公司 | 熔化和均匀化多峰形和双峰形的聚烯烃的方法 |
EP1305155B1 (en) * | 2000-08-03 | 2008-10-08 | Ranier Limited | Precision polyurethane manufacture |
CN102947382A (zh) * | 2010-04-08 | 2013-02-27 | 帝人芳纶有限公司 | 聚烯烃组合物及其生产方法 |
Family Cites Families (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE605134A (zh) * | 1960-06-22 | 1900-01-01 | ||
US3638916A (en) | 1970-09-01 | 1972-02-01 | Phillips Petroleum Co | Method and apparatus for blending materials |
JPS5714964B2 (zh) * | 1973-01-17 | 1982-03-27 | ||
DE2751225C3 (de) * | 1977-11-16 | 1981-08-13 | Werner & Pfleiderer, 7000 Stuttgart | Vorrichtung mit einer nach dem Siebpaket eines Schneckenextruders angeordneten Schmelzindex-Meßeinrichtung und Verfahren zum Regeln der Viskosität von aufgeschmolzenem und auszuformendem Kunststoff |
US4237082A (en) * | 1978-10-04 | 1980-12-02 | Phillips Petroleum Company | Automatic control of extrusion rate |
US4448736A (en) * | 1982-05-24 | 1984-05-15 | Standard Oil Company (Indiana) | Continuous in-line melt flow rate control system |
US4510271A (en) * | 1982-10-27 | 1985-04-09 | Exxon Research & Engineering Co. | Method of finishing thermoplastic granules |
DE3610159A1 (de) * | 1986-03-26 | 1987-10-01 | Werner & Pfleiderer | Vorrichtung und verfahren zur herstellung eines kunststoffes mit definierten eigenschaften, insbesondere eines polypropylens mit definierter molekularstruktur |
SU1785908A1 (en) * | 1990-04-09 | 1993-01-07 | Ki Polt I | Mixer for polymeric materials |
US5314579A (en) | 1992-01-13 | 1994-05-24 | Quantum Chemical Corporation | Process for removing hydrocarbons from polymer slurries |
JPH05309647A (ja) * | 1992-05-07 | 1993-11-22 | Chiyoushin Boeki Kk | 着色樹脂コンパウンドの製造方法 |
IT1256083B (it) * | 1992-07-31 | 1995-11-27 | Enichem Polimeri | Procedimento per funzionalizzare polimeri dell'etilene |
UA28301A (uk) * | 1996-05-14 | 2000-10-16 | Національний Технічний Університет України "Київський Політехнічний Інститут" | Змішувач для полімерних матеріалів |
SE506754C2 (sv) * | 1996-10-09 | 1998-02-09 | Borealis Polymers Oy | Sätt för kompoundering av en multimodal polymerkomposition |
JP3480197B2 (ja) * | 1996-10-28 | 2003-12-15 | Jfeスチール株式会社 | 耐熱酸化劣化性および耐候性に優れたポリプロピレン被覆鋼管およびその製造方法 |
JPH10180841A (ja) * | 1996-12-25 | 1998-07-07 | Asahi Chem Ind Co Ltd | 粉体のサイドフィード用押出機及びそれを用いた押出方法 |
EP0881237A1 (en) * | 1997-05-26 | 1998-12-02 | Fina Research S.A. | Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones |
CN1062879C (zh) * | 1997-08-22 | 2001-03-07 | 北京市顺义跃洋绝缘材料厂 | 聚烯烃半导电外屏蔽电缆料及其制法 |
US6277314B1 (en) | 1998-02-04 | 2001-08-21 | Flextech Packaging, Ltd. | System and method for producing polymeric film |
GB9827432D0 (en) | 1998-12-11 | 1999-02-03 | Borealis As | Method |
BE1012638A3 (fr) * | 1999-04-29 | 2001-01-09 | Solvay | Compositions de polyolefines, procede pour leur preparation et utilisation de celles-ci. |
JP4721020B2 (ja) * | 2000-01-19 | 2011-07-13 | Dic株式会社 | 添加剤含有成形品の製造方法 |
US6492485B1 (en) * | 2000-04-11 | 2002-12-10 | General Electric Company | Redistributed polycarbonate resin |
PT1146079E (pt) | 2000-04-13 | 2006-05-31 | Borealis Tech Oy | Composicao de polimero para tubos |
JP2002273201A (ja) * | 2001-03-21 | 2002-09-24 | Aisan Ind Co Ltd | 粉粒体供給装置 |
JP2003345062A (ja) * | 2002-05-23 | 2003-12-03 | Ricoh Co Ltd | 静電荷像現像用トナーの製造方法、得られる製品及びこれを用いた画像形成方法 |
DE10230321A1 (de) | 2002-07-05 | 2004-01-22 | Coperion Waeschle Gmbh & Co. Kg | Vorrichtung sowie Verfahren zur Bereitstellung eines Granulats |
CN1162504C (zh) * | 2002-07-09 | 2004-08-18 | 杭州华电华源环境工程有限公司 | 一种导热高分子材料及制备方法 |
US6691558B1 (en) | 2002-07-31 | 2004-02-17 | General Electric Company | In-line rheometer device and method |
JP4190941B2 (ja) * | 2002-08-22 | 2008-12-03 | 旭化成ケミカルズ株式会社 | 製造方法及びその樹脂組成物 |
JP2005082776A (ja) * | 2003-09-11 | 2005-03-31 | Sumitomo Chemical Co Ltd | ポリオレフィン組成物の製造方法 |
WO2005068516A2 (en) | 2004-01-14 | 2005-07-28 | Chevron Phillips Chemical Company Lp | Method and apparatus for monitoring polyolefin production |
US7109290B2 (en) | 2004-06-07 | 2006-09-19 | Chevron Phillips Chemical Company Lp | Polymer transfer within a polymerization system |
DK2289952T3 (da) | 2004-08-27 | 2014-05-19 | Chevron Phillips Chemical Co | Energieffektiv polyolefinproces |
JP2009532576A (ja) | 2006-04-20 | 2009-09-10 | ザ プロクター アンド ギャンブル カンパニー | 審美的粒子を含む固体粒子洗濯洗剤組成物 |
JP2007291158A (ja) * | 2006-04-21 | 2007-11-08 | Sumitomo Chemical Co Ltd | ポリエチレン組成物の造粒方法 |
US7957947B2 (en) | 2006-08-25 | 2011-06-07 | Chevron Phillips Chemical Company Lp | Method and apparatus for managing volatile organic content in polyolefin |
ITMI20071444A1 (it) | 2007-07-18 | 2009-01-19 | Oms Impianti Spa | Apparecchiatura per il dosaggio e la miscelazione delle polveri solide in processi tecnologici di trasformazione delle materie plastiche. |
EP2101973B1 (en) * | 2007-08-27 | 2016-01-06 | Borealis Technology OY | Equipment and process for producing polymer pellets |
EP2030757A1 (en) * | 2007-08-31 | 2009-03-04 | Total Petrochemicals Research Feluy | Process for purging an extrusion apparatus. |
EP2058356A1 (en) * | 2007-11-06 | 2009-05-13 | Total Petrochemicals Research Feluy | Additivising carbon black to polymer powder |
RU2512117C2 (ru) | 2008-12-02 | 2014-04-10 | Юнивейшн Текнолоджиз Ллк | Способ окончательной обработки полимера |
JP5393411B2 (ja) * | 2009-11-13 | 2014-01-22 | 三菱エンジニアリングプラスチックス株式会社 | ポリフェニレンエーテル系樹脂組成物成形体の製造方法 |
WO2011101438A1 (en) | 2010-02-22 | 2011-08-25 | Ineos Europe Limited | Improved polyolefin manufacturing process |
JP5815257B2 (ja) * | 2011-03-24 | 2015-11-17 | 旭化成ケミカルズ株式会社 | 樹脂組成物の製造方法 |
US9089831B2 (en) * | 2011-10-25 | 2015-07-28 | Chevron Phillips Chemical Company Lp | System and method for blending polymers |
CN102993556B (zh) * | 2012-09-26 | 2015-12-16 | 天津金发新材料有限公司 | 聚丙烯复合物、其制备方法及其应用 |
EP2873685A1 (en) | 2013-11-13 | 2015-05-20 | Abu Dhabi Polymers Co. Ltd (Borouge) LLC. | Direct feeding of carbon black in the production of black compounds for pipe and wire and cable applications / Polymer composition with improved properties for pressure pipe applications |
EP2894195B1 (en) * | 2013-12-23 | 2016-09-14 | Abu Dhabi Polymers Company Limited (Borouge) | Polyethylene composition for pipe applications with improved sagging properties |
WO2015101668A1 (en) | 2014-01-06 | 2015-07-09 | Ineos Europe Ag | Polymer composition for caps and closures |
EP3186052B2 (en) | 2014-12-04 | 2022-02-23 | Basell Polyolefine GmbH | Process for preparing polyolefin pellets of a polyolefin composition |
-
2015
- 2015-12-03 EP EP15805443.7A patent/EP3186052B2/en active Active
- 2015-12-03 CN CN201580062571.0A patent/CN107000256B/zh active Active
- 2015-12-03 WO PCT/EP2015/078470 patent/WO2016087564A1/en active Application Filing
- 2015-12-03 JP JP2017527784A patent/JP6411656B2/ja active Active
- 2015-12-03 BR BR112017009533-5A patent/BR112017009533B1/pt active IP Right Grant
- 2015-12-03 KR KR1020177016596A patent/KR101997375B1/ko active IP Right Grant
- 2015-12-03 JP JP2017525956A patent/JP6513804B2/ja active Active
- 2015-12-03 KR KR1020177016420A patent/KR101963061B1/ko active IP Right Grant
- 2015-12-03 WO PCT/EP2015/078473 patent/WO2016087566A1/en active Application Filing
- 2015-12-03 EP EP15804488.3A patent/EP3186051B1/en active Active
- 2015-12-03 RU RU2017121182A patent/RU2678264C2/ru active
- 2015-12-03 RU RU2017121187A patent/RU2696257C2/ru active
- 2015-12-03 BR BR112017010540-3A patent/BR112017010540B1/pt active IP Right Grant
- 2015-12-03 US US15/532,016 patent/US20170259458A1/en not_active Abandoned
- 2015-12-03 CN CN201580063533.7A patent/CN107000257B/zh active Active
- 2015-12-03 US US15/532,274 patent/US20170341266A1/en not_active Abandoned
-
2017
- 2017-05-17 SA SA517381557A patent/SA517381557B1/ar unknown
- 2017-05-24 SA SA517381596A patent/SA517381596B1/ar unknown
-
2019
- 2019-05-28 US US16/423,829 patent/US11104036B2/en active Active
- 2019-07-10 US US16/507,987 patent/US10899041B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0191338A2 (de) * | 1985-02-14 | 1986-08-20 | Werner & Pfleiderer GmbH | Verfahren und Vorrichtung zur gesteuerten Zugabe von Farbkonzentraten in eine Schneckenmaschine |
US4684488A (en) * | 1985-02-14 | 1987-08-04 | Werner & Pfleiderer | Method and apparatus for controlled supply of color concentrates into an extruder to obtain a plastic product of desired coloration |
EP1305155B1 (en) * | 2000-08-03 | 2008-10-08 | Ranier Limited | Precision polyurethane manufacture |
CN1780724A (zh) * | 2003-04-30 | 2006-05-31 | 科倍隆W&P有限及两合公司 | 熔化和均匀化多峰形和双峰形的聚烯烃的方法 |
CN102947382A (zh) * | 2010-04-08 | 2013-02-27 | 帝人芳纶有限公司 | 聚烯烃组合物及其生产方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111051029A (zh) * | 2017-09-01 | 2020-04-21 | 巴塞尔聚烯烃股份有限公司 | 制备聚烯烃组合物的方法 |
CN112497698A (zh) * | 2020-11-13 | 2021-03-16 | 湖北伟通管业科技有限公司 | 一种可提高炭黑应用效果的hdpe双壁波纹管生产挤出装置及方法 |
CN112497698B (zh) * | 2020-11-13 | 2022-09-06 | 湖北伟通管业科技有限公司 | 一种可提高炭黑应用效果的hdpe双壁波纹管生产挤出装置及方法 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107000256A (zh) | 聚烯烃组合物的制备工艺 | |
JP2017535650A5 (zh) | ||
US20070244264A1 (en) | Process and apparatus for preparation of thermoplastic polymer blends | |
JP2012510388A (ja) | 重合体仕上げ方法 | |
EP3648939B1 (en) | Process for preparing a polyolefin composition | |
CN109070387A (zh) | 用于水力输送聚烯烃粒料的方法 | |
EP4225833B1 (en) | Process for producing a polyethylene composition comprising bimodal or multimodal polyethylene | |
EP4276124A1 (en) | Process for producing a multimodal polyolefin composition in an extruder | |
WO2023208664A1 (en) | Process for preparing a polyolefin composition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |