GB1394763A - Process for the production of sintered granulate from acrylonitrile- butadiene-styrene copolymers in powder form - Google Patents
Process for the production of sintered granulate from acrylonitrile- butadiene-styrene copolymers in powder formInfo
- Publication number
- GB1394763A GB1394763A GB4274473A GB4274473A GB1394763A GB 1394763 A GB1394763 A GB 1394763A GB 4274473 A GB4274473 A GB 4274473A GB 4274473 A GB4274473 A GB 4274473A GB 1394763 A GB1394763 A GB 1394763A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acrylonitrile
- powder
- butadiene
- extrusion
- granulate
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
1394763 Extrusion sintering SOC ITALIANA RESINE SIR SpA 11 Sept 1973 [20 Sept 1972] 42744/73 Heading B5A An acrylonitrile-butadiene-styrene copolymer powder is formed into granules of the sintered powder, by extrusion through nozzles at a temperature below the melting point of the polymer, and chopping the extrudate into the granules. The extrusion conditions comprise a powder temperature of 120 to 150‹ C. and a pressure of 300 to 500 atm., and nozzles having a diameter of 1À5 to 4 mm. The particular examples relate to acrylonitrile-butadiene-styrene copolymers prepared by graft polymerization of monomeric styrene and acrylonitrile on a polybutadiene latex by the emulsion process, and some of the examples relate to pigmentation of the granulate which is facilitated by its sintered nature. The acrylonitrile-butadienestyrene copolymer powder may be obtained from the emulsion by coagulation, separation, and drying, or alternatively by spray drying, or drying on heated rolls. The granulate is chopped by the action of stationary or rotating knives, that co-operate respectively with a rotating or stationary extrusion die of a pellet mill comprising, e.g. a rotating die and pressing rolls which frictionally heat the powder.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2942872A IT967656B (en) | 1972-09-20 | 1972-09-20 | PROCEDURE FOR THE TREATMENT OF POWDERS OF COPOLYMERS OF ACRI LONITRILE BUTADIENE AND STYRENE FOR THE TRANSFORMATION OF THESE POWDERS INTO GRANULES |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1394763A true GB1394763A (en) | 1975-05-21 |
Family
ID=11226971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4274473A Expired GB1394763A (en) | 1972-09-20 | 1973-09-11 | Process for the production of sintered granulate from acrylonitrile- butadiene-styrene copolymers in powder form |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4971044A (en) |
CA (1) | CA1025615A (en) |
CH (1) | CH580485A5 (en) |
DE (1) | DE2347236C2 (en) |
ES (1) | ES418877A1 (en) |
FR (1) | FR2200304B1 (en) |
GB (1) | GB1394763A (en) |
IT (1) | IT967656B (en) |
NL (1) | NL174025C (en) |
YU (1) | YU35154B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2149714A (en) * | 1983-11-07 | 1985-06-19 | Metrode Products Limited | Extrusion process |
CN113939549A (en) * | 2019-11-25 | 2022-01-14 | 株式会社Lg化学 | Graft copolymer and process for producing the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4302413A (en) * | 1978-11-16 | 1981-11-24 | Rogers Corporation | Process for preparing extrudable polyimide granules |
DE3405185C2 (en) * | 1984-02-14 | 1987-02-26 | Plüss-Staufer AG, Oftringen, Aargau | Device for producing compacts from polymers and additives |
-
1972
- 1972-09-20 IT IT2942872A patent/IT967656B/en active
-
1973
- 1973-09-11 GB GB4274473A patent/GB1394763A/en not_active Expired
- 1973-09-17 CA CA181,243A patent/CA1025615A/en not_active Expired
- 1973-09-18 YU YU247373A patent/YU35154B/en unknown
- 1973-09-18 CH CH1338173A patent/CH580485A5/xx not_active IP Right Cessation
- 1973-09-18 FR FR7333479A patent/FR2200304B1/fr not_active Expired
- 1973-09-19 JP JP48105824A patent/JPS4971044A/ja active Pending
- 1973-09-19 NL NL7312895A patent/NL174025C/en not_active IP Right Cessation
- 1973-09-19 DE DE19732347236 patent/DE2347236C2/en not_active Expired
- 1973-09-19 ES ES418877A patent/ES418877A1/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2149714A (en) * | 1983-11-07 | 1985-06-19 | Metrode Products Limited | Extrusion process |
CN113939549A (en) * | 2019-11-25 | 2022-01-14 | 株式会社Lg化学 | Graft copolymer and process for producing the same |
EP4067399A4 (en) * | 2019-11-25 | 2023-01-18 | LG Chem, Ltd. | Graft copolymer and method for preparing same |
Also Published As
Publication number | Publication date |
---|---|
NL174025C (en) | 1984-04-16 |
NL174025B (en) | 1983-11-16 |
FR2200304A1 (en) | 1974-04-19 |
YU247373A (en) | 1980-03-15 |
JPS4971044A (en) | 1974-07-09 |
CA1025615A (en) | 1978-02-07 |
IT967656B (en) | 1974-03-11 |
DE2347236C2 (en) | 1982-07-01 |
ES418877A1 (en) | 1976-06-16 |
DE2347236A1 (en) | 1974-04-25 |
CH580485A5 (en) | 1976-10-15 |
YU35154B (en) | 1980-09-25 |
FR2200304B1 (en) | 1977-08-12 |
NL7312895A (en) | 1974-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PCNP | Patent ceased through non-payment of renewal fee |