Kamfanin masana'antar China mai farashi mai kyau 99% DMBA 2,2-Dimethylolbutanoic acid (DMBA) cas 10097-02-6
2,2-Dimethylolbutanoic acid (DMBA)
CAS: 10097-02-6
Sunan Samfura: Dimethylolbutanoic acid [2,2-Bis(hydroxymethyl)butyric Acid]
Tsarin Kwayoyin Halitta: C6H12O4
Nauyin kwayoyin halitta: 148.16
Halayen jiki da sinadarai: farin lu'ulu'u, Wurin narkewa: 108-115 ° C, mai narkewa a cikin ruwa, methanol da acetone.
| Abubuwan gwaji | Fihirisar yau da kullun |
| Bayyanar | Foda fari |
| Yawan sinadarin Hydroxyl% | ≥99 |
| Darajar Hydroxyl, mgKOH.g-1 | 728~782 |
| Yanayin narkewa ° C | ≥108°C |
| Chroma (PT-CO) | ≤150# |
| Danshi% | ≤0.3 |
| Toka% | ≤0.03 |
| Sauran aldehyde% | ≤0.03 |
| Darajar acid mgKOH/g | 374.3-378.2 |
| Baƙin ƙarfe (PPM) | ≤5 |
| Sodium (PPM) | ≤10 |
| Potassium (PPM) | ≤100 |
| Phosphorus (PPM) | ≤10 |
| Silicon (PPM) | ≤1 |
| Sinadarin Sulfate (PPM) | ≤10 |
| Gwajin Acetone-triethylamine da aka Narke | A bayyane & A bayyane |
2,2-Dimethylolbutanoic acid (DMBA) shine neopentyl carboxylic acid tare da ƙungiyoyi biyu masu amsawa na hydroxymethyl, don haka ana iya amfani da shi azaman tsarin polymer na ruwa mai roba kuma ana amfani dashi sosai a cikin tsarin polyurethane mai narkewa cikin ruwa, polyester da tsarin resin epoxy.
DMBA yana da mafi kyawun narkewa fiye da DMPA a cikin nau'ikan sinadarai daban-daban, don haka yana iya inganta aikin yadda ya kamata.
Ana ɗaukar DMBA a matsayin sabuwar tsara ta hanyar amfani da na'urar faɗaɗa sarkar kore da muhalli mai kyau da kuma emulsifier na ciki don polyurethane mai ruwa; Ana iya amfani da shi wajen samar da manne na polyurethane mai ruwa ba tare da amfani da sinadarai masu narkewa ba kuma ba tare da samar da ragowar halitta ba. Yana magance kurakuran DMPA kamar babban wurin narkewa, narkewa a hankali, tsawon lokacin amsawa, yawan amfani da makamashi mai yawa, rashin aikin samfur, buƙatar sinadarai masu narkewa na halitta, babban adadin ragowar sinadarai da sauransu.
Ana iya amfani da shi wajen kera resin epoxy mai ruwa da kuma manne polyester.
A halin yanzu, ita ce mafi kyawun kayan aikin taimako da aka gyara da yawa (hydrophilic chain extender) na polyurethane, resins na ruwa, manne na ruwa, fenti na ruwa da sauran samfuran ruwa; a matsayin monomer don tsarin gyara, Dimethylolbutanoic acid (DMBA) ba ya buƙatar sinadarai masu narkewa na halitta (ruwa), saboda haka tsarin samarwa ya fi sauƙi kuma yana da tsayayye kuma mafi kyawun aiki. Musamman, DMPA(dimethylolpropionic acid) yanzu ya zama samfurin da ya fi shahara a fannin ruwa don kyakkyawan aiki mai kyau!
25kg/jaka; ganga ko kwali mai layi a cikin jakar filastik ta aluminum. 25kg/ganga.
