글리콜에테르 및 함산소 용제

글리콜에테르 용제는 수성 도료가 건조되면서 연속 도막을 형성하게 하는 융착제 및 보조 용제입니다. A coalescent temporarily softens latex particles so they fuse below the binder's minimum film-formation temperature (MFFT), then diffuses out of the film. Ethylene glycol monobutyl ether (butyl glycol ether, CAS 111-76-2) is the standard coalescent for latex systems. Specify a coalescent when a paint must cure at low ambient temperature, and size the dose to the binder's MFFT rather than overdosing for insurance.

Here is the honest trade-off. A coalescent lowers MFFT and improves cold-weather film formation, but a slow-evaporating coalescent stays in the film and counts toward the coating's VOC. Where regulations cap VOC, formulators move to low-VOC or VOC-exempt co-solvents and lean harder on binder design instead of dosing more solvent. Diethylene glycol monoethyl ether (CAS 111-90-0) is a high-boiling co-solvent used to extend open time and flow. Confirm the VOC classification for your product type and jurisdiction before locking a grade.

Ethylene glycol (CAS 107-21-1) and propylene glycol (CAS 57-55-6) sit in the same toolbox as freeze-thaw stabilizers and co-solvents; propylene glycol is the lower-toxicity choice where a paint may see consumer handling. Diacetone alcohol (CAS 123-42-2) is a ketone-alcohol co-solvent for solvency and flow. None of these replaces the binder, so treat them as formulation aids that tune drying and stability, not as the property-defining ingredient.

• 수성(라텍스) 건축용 및 산업용 도료용 조막 조제
• 용제형 도료, 락커, 인쇄 잉크용 공용매
• 저온 보관·운송되는 수성 도료용 동결-융해 안정제
• 수성 목재 및 금속 도료용 커플링 및 오픈타임 조제
• 규제 대상 건축용 도료를 위한 저VOC 보조 용제 패키지

• Ethylene glycol monobutyl ether — PubChem
• Diethylene glycol monoethyl ether — PubChem
• Ethylene glycol — PubChem
• Propylene glycol — PubChem