JPS5523151A - Flame-retardant, rubber-modified styrene resin composition - Google Patents
Flame-retardant, rubber-modified styrene resin compositionInfo
- Publication number
- JPS5523151A JPS5523151A JP9620078A JP9620078A JPS5523151A JP S5523151 A JPS5523151 A JP S5523151A JP 9620078 A JP9620078 A JP 9620078A JP 9620078 A JP9620078 A JP 9620078A JP S5523151 A JPS5523151 A JP S5523151A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- composition
- polymerization
- monobromostyrene
- nucleus
- 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.)
- Granted
Links
Abstract
PURPOSE: To improve the flame retardancy, impact strength and arc resistance of the title composition by polymerizing a specific mixture of styrene monomers containing a nucleus-substituted monobromostyrene and a rubber, under conditions to obtain the soft component as dispersed particles having specific particle size and swelling index.
CONSTITUTION: A composition composed of 80W99wt% of a mixture of styrene monomers containing 10W60wt% of a nucleus-substituted monobromostyrene, and 1W20wt% of a rubber, is molten by heating. The composition is subjected to the bulk polymerization with stirring, until the polymerization rate reaches 10W30%, when the rubber is dispersed as particles by the action of stirring. The composition is then polymerized to a polymerization rate of nearly 100% by the aqueous suspension polymerization in the presence of a suspension agent such as tribasic calcium phosphate, etc. The amount of the rubber and the polymerization conditions are selected to give the dispersed particles of soft component having an average particle size of 1.0W7.0μ, and a swelling index in toluene of 8.0W16.0.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9620078A JPS6036166B2 (en) | 1978-08-09 | 1978-08-09 | Method for producing flame-retardant rubber-modified styrene thread resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9620078A JPS6036166B2 (en) | 1978-08-09 | 1978-08-09 | Method for producing flame-retardant rubber-modified styrene thread resin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5523151A true JPS5523151A (en) | 1980-02-19 |
JPS6036166B2 JPS6036166B2 (en) | 1985-08-19 |
Family
ID=14158635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9620078A Expired JPS6036166B2 (en) | 1978-08-09 | 1978-08-09 | Method for producing flame-retardant rubber-modified styrene thread resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6036166B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01213349A (en) * | 1988-02-22 | 1989-08-28 | Sumitomo Chem Co Ltd | Styrene resin composition |
US5077337A (en) * | 1990-02-22 | 1991-12-31 | Great Lakes Chemical Corporation | Flame retardant graft copolymers of polypropylene |
US5380802A (en) * | 1992-12-09 | 1995-01-10 | Great Lakes Chemical Corporation | Fire retardant polyolefin fibers and fabrics |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63154114U (en) * | 1987-03-31 | 1988-10-11 |
-
1978
- 1978-08-09 JP JP9620078A patent/JPS6036166B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01213349A (en) * | 1988-02-22 | 1989-08-28 | Sumitomo Chem Co Ltd | Styrene resin composition |
US5077337A (en) * | 1990-02-22 | 1991-12-31 | Great Lakes Chemical Corporation | Flame retardant graft copolymers of polypropylene |
US5380802A (en) * | 1992-12-09 | 1995-01-10 | Great Lakes Chemical Corporation | Fire retardant polyolefin fibers and fabrics |
Also Published As
Publication number | Publication date |
---|---|
JPS6036166B2 (en) | 1985-08-19 |
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