JPS57141402A - Production of synthetic resin particle having functional group on its surface - Google Patents
Production of synthetic resin particle having functional group on its surfaceInfo
- Publication number
- JPS57141402A JPS57141402A JP2744481A JP2744481A JPS57141402A JP S57141402 A JPS57141402 A JP S57141402A JP 2744481 A JP2744481 A JP 2744481A JP 2744481 A JP2744481 A JP 2744481A JP S57141402 A JPS57141402 A JP S57141402A
- Authority
- JP
- Japan
- Prior art keywords
- monomer
- functional groups
- synthetic resin
- particles
- hydrophobic monomer
- 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
- Polymerisation Methods In General (AREA)
Abstract
PURPOSE: To obtain easily filtrable synthetic resin particles having functional groups on their surfaces at higher densities, by suspension-copolymerizing a hydrophobic monomer having a plurality of unsaturated groups with a hydrophilic monomer having functional groups.
CONSTITUTION: A hydrophilic polymerization initiator is dissolved in a hydrophobic monomer having at least two unsaturated groups (Ma). The resulting solution is added to a medium, e.g., water, and heated with agitation. Thereby, Ma polymerizes and gels into spherical particles while it is maintained in the form of sphere dispersed in water. If is preferred that this polymerization reaction is stopped at the stage at which the spherical gel particles contain at least 5wt% unreacted Ma monomer (prepolymer gel particle). Next, a hydrophobic monomer containing functional groups (Mb) is added to an aqueous suspension of said prepolymer gel particles and the mixture is copolymerized under agitation. It is preferred that the amount of unreacted monomer remaining in the prepolymer gel particles is not higher than 95%. This makes it possible to obtain a particulate polymer having a uniform and desired particle size.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2744481A JPS57141402A (en) | 1981-02-26 | 1981-02-26 | Production of synthetic resin particle having functional group on its surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2744481A JPS57141402A (en) | 1981-02-26 | 1981-02-26 | Production of synthetic resin particle having functional group on its surface |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57141402A true JPS57141402A (en) | 1982-09-01 |
Family
ID=12221279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2744481A Pending JPS57141402A (en) | 1981-02-26 | 1981-02-26 | Production of synthetic resin particle having functional group on its surface |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57141402A (en) |
-
1981
- 1981-02-26 JP JP2744481A patent/JPS57141402A/en active Pending
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