CA1047721A - Adjusting outer polymer layer viscosity by cooling in screw extruder - Google Patents
Adjusting outer polymer layer viscosity by cooling in screw extruderInfo
- Publication number
- CA1047721A CA1047721A CA193,982A CA193982A CA1047721A CA 1047721 A CA1047721 A CA 1047721A CA 193982 A CA193982 A CA 193982A CA 1047721 A CA1047721 A CA 1047721A
- Authority
- CA
- Canada
- Prior art keywords
- discharge zone
- zone
- melt
- leakage flow
- polymer
- 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
Links
Classifications
-
- 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
- C08J3/12—Powdering or granulating
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732310920 DE2310920C3 (de) | 1973-03-05 | Verfahren zur Gewinnung von für die Verarbeitung zu Folien und Bändchen geeignetem Granulat aus Niederdruckpolyolefinen, insbesondere Niederdruckpolyäthylen-Copolymerisaten |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1047721A true CA1047721A (en) | 1979-02-06 |
Family
ID=5873861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA193,982A Expired CA1047721A (en) | 1973-03-05 | 1974-03-04 | Adjusting outer polymer layer viscosity by cooling in screw extruder |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS49119944A (de) |
AT (1) | AT332109B (de) |
BE (1) | BE811605A (de) |
BR (1) | BR7401610D0 (de) |
CA (1) | CA1047721A (de) |
ES (1) | ES423872A1 (de) |
FR (1) | FR2220359B1 (de) |
GB (1) | GB1444191A (de) |
IT (1) | IT1008351B (de) |
NL (1) | NL7402279A (de) |
NO (1) | NO142611C (de) |
ZA (1) | ZA741261B (de) |
-
1973
- 1973-03-19 AT AT240073A patent/AT332109B/de not_active IP Right Cessation
-
1974
- 1974-02-19 NL NL7402279A patent/NL7402279A/xx unknown
- 1974-02-26 FR FR7406510A patent/FR2220359B1/fr not_active Expired
- 1974-02-26 NO NO740662A patent/NO142611C/no unknown
- 1974-02-26 BE BE141418A patent/BE811605A/xx unknown
- 1974-02-26 ZA ZA00741261A patent/ZA741261B/xx unknown
- 1974-03-01 GB GB932974A patent/GB1444191A/en not_active Expired
- 1974-03-01 IT IT48886/74A patent/IT1008351B/it active
- 1974-03-04 CA CA193,982A patent/CA1047721A/en not_active Expired
- 1974-03-04 ES ES423872A patent/ES423872A1/es not_active Expired
- 1974-03-05 BR BR1610/74A patent/BR7401610D0/pt unknown
- 1974-03-05 JP JP49025620A patent/JPS49119944A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7402279A (de) | 1974-09-09 |
ATA240073A (de) | 1975-12-15 |
ZA741261B (en) | 1975-01-29 |
BR7401610D0 (pt) | 1974-11-19 |
BE811605A (fr) | 1974-08-26 |
IT1008351B (it) | 1976-11-10 |
DE2310920A1 (de) | 1975-01-30 |
DE2310920B2 (de) | 1975-05-15 |
JPS49119944A (de) | 1974-11-15 |
NO740662L (no) | 1974-09-06 |
ES423872A1 (es) | 1976-05-16 |
AT332109B (de) | 1976-09-10 |
AU6601274A (en) | 1975-08-28 |
NO142611C (no) | 1980-09-17 |
NO142611B (no) | 1980-06-09 |
FR2220359B1 (de) | 1977-09-23 |
FR2220359A1 (de) | 1974-10-04 |
GB1444191A (en) | 1976-07-28 |
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