Poly (Propylene Carbonate) – QPAC® 40

Polypropylene carbonate, or QPAC®40, is a transparent, amorphous solid polymer that is easy to work with and has long-term mechanical stability. The formula for the compound is (C4H6O3)n.

QPAC®40 comes in the following configurations:

• Pellet
• Solution
• Film
• Aqueous Dispersion/Emulsion

Applications

QPAC®40 polypropylene carbonatepolypropylene carbonate is used as a binder to create high-purity technical components, pastes, inks, and coatings when combined with ceramic, metal, or glass powder. Applications for sacrificial structures include pore and decomposable channel formers. Barrier film is one non-binder application in plastic processing.

Key Benefits:

• Complete and clean burnout leaving less than 10 ppm ash residue, resulting in superb mechanical and/or electrical properties
• Decomposition occurs in a wide range of atmospheres, including air, oxygen, nitrogen, hydrogen, argon, and vacuum
• Excellent viscosity properties in ink/paste systems
• Low-temperature decomposition is excellent for thermally sensitive materials and is more efficient than other binders
• Outstanding green strength
• Great adhesion and improved lubricity
• Products of combustion are only carbon dioxide & water
• Range of molecular weights from 100,000 to 300,000

Typical Physical Properties of QPAC®40

Source: Empower Materials

Property Value Density (g/cm3) 1.26 Refractive Index 1.463 Decomposition Temperature (°C) 250 (estimate) Glass Transition Temperature (°C) 15-40 Heat of combustion (cal/gm) 4,266 Heat of formation (cal/mol) -146,000 Molar Mass of repeating unit 102.1 Solubility Upon request

QPAC®40 comes in the following configurations:

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• Pellet
• Solution
• Film
• Aqueous Dispersion/Emulsion

Applications

QPAC®40 polypropylene carbonate is used as a binder to create high-purity technical components, pastes, inks, and coatings when combined with ceramic, metal, or glass powder. Applications for sacrificial structures include pore and decomposable channel formers. Barrier film is one non-binder application in plastic processing.

Key Benefits:

• Complete and clean burnout leaving less than 10 ppm ash residue, resulting in superb mechanical and/or electrical properties
• Decomposition occurs in a wide range of atmospheres, including air, oxygen, nitrogen, hydrogen, argon, and vacuum
• Excellent viscosity properties in ink/paste systems
• Low-temperature decomposition is excellent for thermally sensitive materials and is more efficient than other binders
• Outstanding green strength
• Great adhesion and improved lubricity
• Products of combustion are only carbon dioxide & water
• Range of molecular weights from 100,000 to 300,000

Typical Physical Properties of QPAC®40

Source: Empower Materials

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Property Value Density (g/cm3) 1.26 Refractive Index 1.463 Decomposition Temperature (°C) 250 (estimate) Glass Transition Temperature (°C) 15-40 Heat of combustion (cal/gm) 4,266 Heat of formation (cal/mol) -146,000 Molar Mass of repeating unit 102.1 Solubility Upon request