GB785993A - Improvements in or relating to the production of insulating bodies fromed from grains of thermo-plastic material - Google Patents
Improvements in or relating to the production of insulating bodies fromed from grains of thermo-plastic materialInfo
- Publication number
- GB785993A GB785993A GB19640/55A GB1964055A GB785993A GB 785993 A GB785993 A GB 785993A GB 19640/55 A GB19640/55 A GB 19640/55A GB 1964055 A GB1964055 A GB 1964055A GB 785993 A GB785993 A GB 785993A
- Authority
- GB
- United Kingdom
- Prior art keywords
- expanded
- production
- chlorine
- granules
- fromed
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/224—Surface treatment
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/236—Forming foamed products using binding agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
In the production of flame-proof expanded thermoplastic articles by adding a flame-proofing agent to the expanded granules and agglutinating by heat, the expanded granules are coated with a powdered water-insoluble chlorine-containing substance fusible at the agglutinating temperature. The granules should be slightly moist to assist adherence of the powder. Granular polystyrene may be expanded with petroleum ether, coated with powdered chlorinated paraffin wax containing 65 to 75 per cent chlorine, a mixture thereof with antimony trioxide or chlorine-containing polyvinyl compounds and agglutinated at 90 DEG to 130 DEG C.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE785993X | 1955-03-18 | ||
SE1134805X | 1955-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB785993A true GB785993A (en) | 1957-11-06 |
Family
ID=66428436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19640/55A Expired GB785993A (en) | 1955-03-18 | 1955-07-07 | Improvements in or relating to the production of insulating bodies fromed from grains of thermo-plastic material |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1134805A (en) |
GB (1) | GB785993A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1203953B (en) * | 1959-09-26 | 1965-10-28 | Hoechst Ag | Process for making molded parts made of polystyrene foam flame-retardant |
FR2397498A1 (en) * | 1977-07-15 | 1979-02-09 | Shell Int Research | IMPROVEMENTS TO THERMAL INSULATION BY MEANS OF EXPANDED POLYMER ALVEOLAR PARTICLES |
-
1955
- 1955-07-07 FR FR1134805D patent/FR1134805A/en not_active Expired
- 1955-07-07 GB GB19640/55A patent/GB785993A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1203953B (en) * | 1959-09-26 | 1965-10-28 | Hoechst Ag | Process for making molded parts made of polystyrene foam flame-retardant |
FR2397498A1 (en) * | 1977-07-15 | 1979-02-09 | Shell Int Research | IMPROVEMENTS TO THERMAL INSULATION BY MEANS OF EXPANDED POLYMER ALVEOLAR PARTICLES |
Also Published As
Publication number | Publication date |
---|---|
FR1134805A (en) | 1957-04-18 |
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