JPS6456761A - Method for improving powder characteristic of synthetic polymer powder - Google Patents
Method for improving powder characteristic of synthetic polymer powderInfo
- Publication number
- JPS6456761A JPS6456761A JP11878088A JP11878088A JPS6456761A JP S6456761 A JPS6456761 A JP S6456761A JP 11878088 A JP11878088 A JP 11878088A JP 11878088 A JP11878088 A JP 11878088A JP S6456761 A JPS6456761 A JP S6456761A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- latex
- graft copolymer
- rubber
- synthetic polymer
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE:To improve powder characteristics of synthetic polymer powder, e.g. bulk density, fluidity and antiblocking property, by coagulating latex of a graft copolymer containing a rubber as a stem polymer and adding a silicone oil to the coagulated product. CONSTITUTION:The graft copolymer latex to be used as a raw material for the powder is composed of (a) 5-80wt.% of a rubber (preferably a rubber produced by emulsion polymerization of 20-80pts.wt. of butadiene, 0-50pts.wt. of styrene, 0-20pts.wt. of a copolymerizable monomer and 0.5-5pts.wt. of a crosslinking agent) and (b) 20-95wt.% of a grafting component (preferably composed of 30-70wt.% of methyl methacrylate, 30-70wt.% of styrene, 0-20wt.% of a crosslinkable monomer and 0-50wt.% of a crosslinking agent). The latex is coagulated and preferably dehydrated or dried. The obtained powder is added with 0.01-10pts.wt. of a silicone oil based on 100pts.wt. of the graft copolymer of the above latex.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11878088A JPS6456761A (en) | 1988-05-16 | 1988-05-16 | Method for improving powder characteristic of synthetic polymer powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11878088A JPS6456761A (en) | 1988-05-16 | 1988-05-16 | Method for improving powder characteristic of synthetic polymer powder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6456761A true JPS6456761A (en) | 1989-03-03 |
Family
ID=14744898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11878088A Pending JPS6456761A (en) | 1988-05-16 | 1988-05-16 | Method for improving powder characteristic of synthetic polymer powder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6456761A (en) |
-
1988
- 1988-05-16 JP JP11878088A patent/JPS6456761A/en active Pending
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