CA1046699A - Process for improving the heat resistance of expandable polystyrene - Google Patents
Process for improving the heat resistance of expandable polystyreneInfo
- Publication number
- CA1046699A CA1046699A CA224,153A CA224153A CA1046699A CA 1046699 A CA1046699 A CA 1046699A CA 224153 A CA224153 A CA 224153A CA 1046699 A CA1046699 A CA 1046699A
- Authority
- CA
- Canada
- Prior art keywords
- beads
- styrene
- weight
- blowing agent
- agent
- 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
- C08J9/16—Making expandable particles
-
- 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
- C08J9/0014—Use of organic additives
- C08J9/0019—Use of organic additives halogenated
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/02—Halogenated hydrocarbons
-
- 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
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2416928A DE2416928A1 (de) | 1974-04-08 | 1974-04-08 | Verbesserung der waermebelastbarkeit verschaeumbaren polystyrols |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1046699A true CA1046699A (en) | 1979-01-16 |
Family
ID=5912394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA224,153A Expired CA1046699A (en) | 1974-04-08 | 1975-04-07 | Process for improving the heat resistance of expandable polystyrene |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS50136358A (no) |
BE (1) | BE827679A (no) |
CA (1) | CA1046699A (no) |
DE (1) | DE2416928A1 (no) |
DK (1) | DK134820C (no) |
FR (1) | FR2266720B1 (no) |
GB (1) | GB1470149A (no) |
IE (1) | IE41107B1 (no) |
IT (1) | IT1034935B (no) |
LU (1) | LU72221A1 (no) |
NL (1) | NL7503971A (no) |
-
1974
- 1974-04-08 DE DE2416928A patent/DE2416928A1/de not_active Ceased
-
1975
- 1975-04-03 NL NL7503971A patent/NL7503971A/xx not_active Application Discontinuation
- 1975-04-04 GB GB1390275A patent/GB1470149A/en not_active Expired
- 1975-04-04 IT IT22015/75A patent/IT1034935B/it active
- 1975-04-07 IE IE764/75A patent/IE41107B1/xx unknown
- 1975-04-07 CA CA224,153A patent/CA1046699A/en not_active Expired
- 1975-04-07 JP JP50041361A patent/JPS50136358A/ja active Pending
- 1975-04-07 DK DK147675A patent/DK134820C/da not_active IP Right Cessation
- 1975-04-07 LU LU72221A patent/LU72221A1/xx unknown
- 1975-04-08 FR FR7510885A patent/FR2266720B1/fr not_active Expired
- 1975-04-08 BE BE155183A patent/BE827679A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
LU72221A1 (no) | 1977-02-02 |
DK147675A (no) | 1975-10-09 |
DE2416928A1 (de) | 1975-10-30 |
FR2266720A1 (no) | 1975-10-31 |
BE827679A (fr) | 1975-10-08 |
DK134820B (da) | 1977-01-24 |
IE41107L (en) | 1975-10-08 |
GB1470149A (en) | 1977-04-14 |
IT1034935B (it) | 1979-10-10 |
DK134820C (da) | 1977-06-13 |
IE41107B1 (en) | 1979-10-24 |
JPS50136358A (no) | 1975-10-29 |
FR2266720B1 (no) | 1978-10-06 |
NL7503971A (nl) | 1975-10-10 |
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