IT1046403B - Prepolimeri contenenti gruppi chetimminici - Google Patents

Prepolimeri contenenti gruppi chetimminici

Info

Publication number
IT1046403B
IT1046403B IT29230/74A IT2923074A IT1046403B IT 1046403 B IT1046403 B IT 1046403B IT 29230/74 A IT29230/74 A IT 29230/74A IT 2923074 A IT2923074 A IT 2923074A IT 1046403 B IT1046403 B IT 1046403B
Authority
IT
Italy
Prior art keywords
ketimminical
groups
prepolymers containing
prepolymers
ketimminical groups
Prior art date
Application number
IT29230/74A
Other languages
English (en)
Original Assignee
Schering Ag
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 Schering Ag filed Critical Schering Ag
Application granted granted Critical
Publication of IT1046403B publication Critical patent/IT1046403B/it

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
    • B29C48/505—Screws
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/58—Screws provided with seal ring elements, i.e. elements of generally circular and tapered shape for preventing the back flow of the melt
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT29230/74A 1973-11-10 1974-11-08 Prepolimeri contenenti gruppi chetimminici IT1046403B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2356313A DE2356313A1 (de) 1973-11-10 1973-11-10 Schneckenpresse

Publications (1)

Publication Number Publication Date
IT1046403B true IT1046403B (it) 1980-06-30

Family

ID=5897802

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29230/74A IT1046403B (it) 1973-11-10 1974-11-08 Prepolimeri contenenti gruppi chetimminici

Country Status (2)

Country Link
DE (1) DE2356313A1 (it)
IT (1) IT1046403B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213710A (en) * 1978-09-26 1980-07-22 Usm Corporation Adjustable homogenization extruder

Also Published As

Publication number Publication date
DE2356313A1 (de) 1975-05-15

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