BE732092A - - Google Patents

Info

Publication number
BE732092A
BE732092A BE732092DA BE732092A BE 732092 A BE732092 A BE 732092A BE 732092D A BE732092D A BE 732092DA BE 732092 A BE732092 A BE 732092A
Authority
BE
Belgium
Application number
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
Priority claimed from DE19681770295 external-priority patent/DE1770295C/de
Application filed filed Critical
Publication of BE732092A publication Critical patent/BE732092A/xx

Links

Classifications

    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE732092D 1968-04-27 1969-04-25 BE732092A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681770295 DE1770295C (de) 1968-04-27 Verfahren zum Abbau von hochmolekularem Polyisobutylen in Schneckenmaschinen

Publications (1)

Publication Number Publication Date
BE732092A true BE732092A (xx) 1969-10-27

Family

ID=5700462

Family Applications (1)

Application Number Title Priority Date Filing Date
BE732092D BE732092A (xx) 1968-04-27 1969-04-25

Country Status (5)

Country Link
US (1) US3634381A (xx)
AT (1) AT288017B (xx)
BE (1) BE732092A (xx)
FR (1) FR2007125A1 (xx)
GB (1) GB1257042A (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638970A (en) * 1968-02-12 1972-02-01 Becker Drilling Alberta Ltd Joint for double-walled drill pipe
US4632977A (en) * 1984-06-01 1986-12-30 The Hygenic Corporation Method of plasticizing thermoplastic polymers
US4766200A (en) * 1984-06-01 1988-08-23 The Hygenic Corporation Process for improving the melt flow index of thermoplastic polymers
US4966952A (en) * 1984-06-01 1990-10-30 The Hygenic Corporation Thermoplastic polymer composition comprising trans 1,4-polyisoprene
US4614772A (en) * 1984-10-29 1986-09-30 Polysar Limited Low molecular weight polymer process
CA1257050A (en) * 1984-10-29 1989-07-04 Douglas C. Edwards Low molecular weight polymer process
US4882407A (en) * 1986-12-23 1989-11-21 The Hygenic Corporation Thermoplastic endodontic composition having improved melt flow index
DE3932019C1 (xx) * 1989-09-26 1991-05-08 Bayer Ag, 5090 Leverkusen, De
US5262489A (en) * 1990-08-23 1993-11-16 White Donald A Process for producing low molecular weight isoolefin polymers
US5283318A (en) * 1991-12-20 1994-02-01 Exxon Research And Engineering Company Process for depolymerization of butyl rubbers and halobutyl rubbers using hot liquid water
US5286423A (en) * 1992-05-29 1994-02-15 Johnson William B Method of heat treating gutta percha based material to improve the characteristics thereof
US5539033A (en) * 1992-11-06 1996-07-23 Minnesota Mining And Manufacturing Company Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers
USRE36855E (en) * 1992-11-06 2000-09-05 3M Innovative Properties Company Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers
CA2147507C (en) * 1992-11-06 2003-07-29 Timothy D. Bredahl Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers
US5975440A (en) * 1995-04-21 1999-11-02 Watson; William Ferguson Mixing
GB2300129B (en) * 1995-04-21 1999-06-02 William Ferguson Watson Mixing
DE19806609A1 (de) * 1998-02-18 1999-08-19 Beiersdorf Ag Verfahren zur kontinuierlichen, lösungsmittel- und mastikationsfreien Herstellung von druckempfindlichen Selbstklebemassen auf Basis von nicht-thermoplastischen Elastomeren sowie deren Beschichtung zur Herstellung von selbstklebenden Artikeln
US6060584A (en) * 1998-05-13 2000-05-09 Eastman Chemical Company Process for the degradation of polyolefins
US6380316B1 (en) 1999-03-02 2002-04-30 Dow Corning Corporation Polyisobutylene copolymers having reactive silyl grafts
US6433133B1 (en) 1999-11-16 2002-08-13 Eastman Chemical Company Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products
US6420485B1 (en) 2000-08-14 2002-07-16 Dow Corning Corporation Siloxane-grafted hydrocarbon copolymers
US20070191242A1 (en) * 2004-09-17 2007-08-16 Sanjay Srinivasan Viscosity modifiers for lubricant compositions
WO2011011318A1 (en) * 2009-07-21 2011-01-27 Mylan, Inc. Process for the continuous manufacture of a polyisobutylene based transdermal patch

Also Published As

Publication number Publication date
DE1770295B2 (de) 1972-12-21
FR2007125A1 (xx) 1970-01-02
AT288017B (de) 1971-02-25
US3634381A (en) 1972-01-11
GB1257042A (xx) 1971-12-15
DE1770295A1 (de) 1972-02-03

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BADISCHE ANILIN & SODAFABRIK A.G.

Effective date: 19850425