MY110413A - Polymeric particles and their preparation. - Google Patents
Polymeric particles and their preparation.Info
- Publication number
- MY110413A MY110413A MYPI89000036A MYPI19890036A MY110413A MY 110413 A MY110413 A MY 110413A MY PI89000036 A MYPI89000036 A MY PI89000036A MY PI19890036 A MYPI19890036 A MY PI19890036A MY 110413 A MY110413 A MY 110413A
- Authority
- MY
- Malaysia
- Prior art keywords
- core
- per cent
- sheath
- ethylenically unsaturated
- particles
- Prior art date
Links
- 239000002245 particle Substances 0.000 title abstract 4
- 239000000178 monomer Substances 0.000 abstract 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000011324 bead Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 230000009477 glass transition Effects 0.000 abstract 1
- 239000003605 opacifier Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 abstract 1
- 230000008961 swelling Effects 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Paints Or Removers (AREA)
Abstract
POLYMER PARTICLES OR BEADS FOR USE AS OPACIFIERS IN PAINTS ARE DESCRIBED IN WHICH A CORE IS PROVIDED WITH A HARD SHEATH AND THE PARTICLE HAS ONE OR MORE VOIDS PRODUCED BY REACTION WITH A NON-VOLATILE PERMANENT OR FIXED BASE. THE SHEATH IS A COPOLYMER OF AN ETHYLENICALLY UNSATURATED ALIPHATIC MONOMER FREE OF ACID GROUPS AND AT LEAST 2 PER CENT BY WEIGHT OF A SOFT ESTER-CONTAINING MONOMER AND OPTIONALLY STYRENE IN AN AMOUNT OF UP TO 25 MOLE PER CENT. THE CORE IS FORMED FROM AN ETHYLENICALLY UNSATURATED MONOMER WITH ACID FUNCTIONALITY. THE SHEATH POLYMER HAS A GLASS TRANSITION TEMPERATURE OF AT LEAST 40?C. THE PARTICLES HAVE A SIZE OF UP TO 4000 NANOMETERS BEFORE SWELLING THE CORE BY SOME 150 TO 2000 PER CENT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI89000036A MY110413A (en) | 1989-01-12 | 1989-01-12 | Polymeric particles and their preparation. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI89000036A MY110413A (en) | 1989-01-12 | 1989-01-12 | Polymeric particles and their preparation. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY110413A true MY110413A (en) | 1998-05-30 |
Family
ID=79604042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI89000036A MY110413A (en) | 1989-01-12 | 1989-01-12 | Polymeric particles and their preparation. |
Country Status (1)
| Country | Link |
|---|---|
| MY (1) | MY110413A (en) |
-
1989
- 1989-01-12 MY MYPI89000036A patent/MY110413A/en unknown
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