推薦產品
等級
technical grade
品質等級
化驗
90%
形狀
crystals
bp
240-241 °C (lit.)
mp
92-93 °C (lit.)
SMILES 字串
O=C1COCC(=O)O1
InChI
1S/C4H4O4/c5-3-1-7-2-4(6)8-3/h1-2H2
InChI 密鑰
PIYNUZCGMLCXKJ-UHFFFAOYSA-N
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一般說明
Diglycolic anhydride (DGA) is derived from diglycolic acid, known for its ability to form polyesters and polyamides. DGA exhibits a low molecular weight and a high reactivity with hydroxyl and amine groups, making it a valuable intermediate in polymer chemistry. It can facilitate the formation of cross-linked networks, improving the mechanical properties of the resulting polymer.
應用
Diglycolic anhydride can be used:
- As a building block to synthesize bio-based polyester and poly(ester amide)s with excellent thermal stability and good solubility in organic solvents.
- To functionalize polyethylene terephthalate(PET) nanofibers for rare earth elements recovery. The addition of DGA enhances metal adsorption due to its rapid binding kinetics and high selectivity for recovering rare earth elements ions from aqueous solutions.
- As a precursor to fabricate degradable polyester network coatings for medical devices to prevent biofouling of surfaces.
訊號詞
Warning
危險聲明
危險分類
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
標靶器官
Respiratory system
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
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