GB1360617A - Polymer mixtures - Google Patents

Polymer mixtures

Info

Publication number
GB1360617A
GB1360617A GB3400971*[A GB3400971A GB1360617A GB 1360617 A GB1360617 A GB 1360617A GB 3400971 A GB3400971 A GB 3400971A GB 1360617 A GB1360617 A GB 1360617A
Authority
GB
United Kingdom
Prior art keywords
additive
fed
thermoplastic polymer
screw
feed
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.)
Expired
Application number
GB3400971*[A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3400971*[A priority Critical patent/GB1360617A/en
Priority to BE775068A priority patent/BE775068A/en
Priority to LU64223D priority patent/LU64223A1/xx
Priority to AU35464/71A priority patent/AU469930B2/en
Priority to FR7140005A priority patent/FR2113689A1/fr
Priority to NL7115382A priority patent/NL7115382A/xx
Priority to CA127,282A priority patent/CA964426A/en
Priority to DE19712155656 priority patent/DE2155656A1/en
Priority to IT30885/71A priority patent/IT939165B/en
Publication of GB1360617A publication Critical patent/GB1360617A/en
Expired legal-status Critical Current

Links

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
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/022—Melting the material to be shaped
    • 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
    • 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
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/06—Feeding liquid to the spinning head
    • D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
    • 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
    • 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
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

1360617 Mixing apparatus I M P E R I A L CHEMICAL INDUSTRIES Ltd 29 Oct 1971 [9 Nov 1970 20 July 1971 (2)] 53116/70 34009/71 and 34010/70 Heading B1C [Also in Division B5] In a process for making thermoplastics extrusions (e.g. filaments, films and mouldings), granular thermoplastic polymer or molten thermoplastic polymer is mixed with a feed of additive or reactive substance which is fed in the form of discrete portions each of predetermined weight at a rate related to the metered forwarding rate of the extrusion. The extrusion may be filaments, films or mouldings and the thermoplastic polymer may be a polyester, e.g. poly(ethylene terephthalate) or a polyamide, e.g. poly(hexamethylene adipamide). The discrete portions may be in the form of tablets or capsules containing the additive or reactive substance in powdered or liquid form. The additive may be colouring materials, stabilisers, delustrants or optical brighteners. The reactive substance may be one to modify the thermoplastic polymer. The metering of the thermoplastic polymer plus additive or of the modified thermoplastic polymer may be made by a gear pump or by controlling the speed of a screw extruder. In the screw extruder shown, additive pellets 11 are fed at the desired rate through a feed tube 7 and tangential feed pocket 8 to the screw 2 to which is also fed thermoplastic polymer granules 12. The barrel of the extruder is heated. In the screw pressure melter apparatus of Fig. 3 (not shown), polymer chips are passed by a feed screw (22) on to a melt grid (23) whence the polymer flows into a melt pool (24) which is also fed with pellets of additive or reactant through an inlet (28). Mixing is effected by a paddle stirrer (25) and recycling is effected through orifices (29). An impellor (26) passes the mixture to gear pumps (27) which feed spinnerets. An inert gas is fed to the space above the melt pool. In the screw pressure melting apparatus of Fig. 4 (not shown), polymer chips are fed down a tube (42) while an additive or reactant is fed down a tube (45) on to a screw (41) which screws down the mixture on to a silver plate (44), the melt then being passed through a mixing device (46) which is described in Specification 1,122,493 and thence to spinning equipment.
GB3400971*[A 1970-11-09 1971-07-20 Polymer mixtures Expired GB1360617A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB3400971*[A GB1360617A (en) 1970-11-09 1971-07-20 Polymer mixtures
BE775068A BE775068A (en) 1970-11-09 1971-11-08 MIXTURES CONTAINING POLYMERS
LU64223D LU64223A1 (en) 1970-11-09 1971-11-08
AU35464/71A AU469930B2 (en) 1970-11-09 1971-11-08 Polymer mixtures
FR7140005A FR2113689A1 (en) 1970-11-09 1971-11-08
NL7115382A NL7115382A (en) 1970-11-09 1971-11-09
CA127,282A CA964426A (en) 1970-11-09 1971-11-09 Polymer mixtures
DE19712155656 DE2155656A1 (en) 1970-11-09 1971-11-09 Process for the production of molded articles from a thermoplastic polymer
IT30885/71A IT939165B (en) 1970-11-09 1971-11-10 POLYMER BLENDS

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5311670 1970-11-09
GB3400971*[A GB1360617A (en) 1970-11-09 1971-07-20 Polymer mixtures
GB3401071 1971-07-20

Publications (1)

Publication Number Publication Date
GB1360617A true GB1360617A (en) 1974-07-17

Family

ID=27259178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3400971*[A Expired GB1360617A (en) 1970-11-09 1971-07-20 Polymer mixtures

Country Status (9)

Country Link
AU (1) AU469930B2 (en)
BE (1) BE775068A (en)
CA (1) CA964426A (en)
DE (1) DE2155656A1 (en)
FR (1) FR2113689A1 (en)
GB (1) GB1360617A (en)
IT (1) IT939165B (en)
LU (1) LU64223A1 (en)
NL (1) NL7115382A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999062353A1 (en) * 1998-05-29 1999-12-09 Warner-Lambert Company High molecular weight elastomer processing system for chewing gum
US6056429A (en) * 1996-10-03 2000-05-02 Warner-Lambert Company Method for processing high molecular weight elastomers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6056429A (en) * 1996-10-03 2000-05-02 Warner-Lambert Company Method for processing high molecular weight elastomers
WO1999062353A1 (en) * 1998-05-29 1999-12-09 Warner-Lambert Company High molecular weight elastomer processing system for chewing gum
CN1116809C (en) * 1998-05-29 2003-08-06 沃尼尔·朗伯公司 High molecular weight elastomer processing system for chewing gum

Also Published As

Publication number Publication date
AU469930B2 (en) 1976-02-26
CA964426A (en) 1975-03-18
FR2113689A1 (en) 1972-06-23
DE2155656A1 (en) 1972-05-10
LU64223A1 (en) 1972-05-29
NL7115382A (en) 1972-05-12
IT939165B (en) 1973-02-10
AU3546471A (en) 1973-05-17
BE775068A (en) 1972-05-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee