电子材料分散剂 DP60

• DP60 Electronic material dispersants

DP60 dispersant This product is an innovative polyester-amine block copolymer aqueous solution. It realizes the construction of a three-dimensional network structure through molecular design. It is specially developed to solve the agglomeration problem of carbon-based nanomaterials (石墨烯, 碳纳米管, 等。) and lithium-ion battery materials (silicon-carbon anode, ternary cathode, 等。) during wet grinding and spray drying. Characterized by FTIR and GPC, its molecular weight distribution D50 = 2000-5000Da, containing 30% active amino groups (calculated in KOH).

• 产品数据

组成：

It is a polymer containing multiple functional groups.

The structure is as follows:

Polyester segment: Contains carboxylic acid/ester functional groups;

Amino segment: Contains quaternary ammonium salt modified groups

Core mechanism:

1. Multi-level dispersion system: The primary steric hindrance layer is formed by the flexible winding of polyester chains.
2. Stereo-anchoring effect: The amino functional group forms a coordination bond with the surface defect sites of the carbon material.
3. Solvent synergy: Forming a hydrogen bond network with NMP to improve mass transfer efficiency.

典型特性：

外观: 浅色透明液体

粘性: 120-180s (25°C, 4# 杯子)

固体含量: ≥99.5%

Amine value: 28-32mg/g (KOH)

PH 值: 8.5-9.5 (25°C)

密度: 1.15-1.25g/cm³ (25°C)

Water content: ≤0.1%

*, The values shown in this data describe typical properties and do not constitute specification limits.

• 应用

Recommended application process:

1. Nano-scale wet grinding process

Process flow: raw material pre-dispersion → high-speed shear emulsification (12000rpm, 20min) → grinder (3000rpm, 4h, temperature control 50℃) → centrifugal impurity removal (12000g, 20min) → vacuum drying (60°C, -0.09MPa)

Recommended Levels：

①、Recommended dispersant addition: 20~50% (relative to carbon material)

②、Grinding media: zirconium oxide beads (Φ0.5mm, accounting for 80%)

*. 以上数据为实证剂量, 而最佳剂量需要通过一系列测试来确定.

2. Spray drying process optimization

• Typical application cases

Case 1: Preparation of graphene quantum dot dispersion

Formula: 10g graphene quantum dots + 3g HHDF-60 + 80ml deionized water

Effect: DLS measured particle size 8nm (PDI<0.3), transmittance>92%@550nm

Case 2: Silicon-carbon composite negative electrode slurry

Process: 15kg Si-C particles + 1kg HH-DF60 + 60kg NMP

Performance: slurry viscosity 3000cP@60rpm, tap density 1.4g/cm³

• Safety and environmental protection data

• Technical advantages

1. Low temperature stability: can remain stable for more than half a year below 40°C (accelerated test verification)
2. Multi-material universality: also effective for wide bandgap materials such as LiFePO4 and TiO2
3. Process compatibility: seamless connection with existing lithium battery production lines, transformation cost <5%

• Packing specifications

1*25公斤; 1*1000kg plastic barrel; packaging can be selected according to customer requirements.

• Storage & Transportation

Warning: This product is flammable, with a flash point of 90℃. Ventilation and explosion-proof are required during operation. Store in a cool and ventilated place, and avoid exposure to sunlight.

• Shelf life

The shelf life of unopened products is 18 months from the date of production.

此处的信息基于我们目前的知识和经验。该信息仅描述我们产品的特性，但不暗示法律意义上的特性保证. 我们建议您在使用前测试我们的产品是否适合您的预期用途. 无任何形式的保证, 明示或暗示, 包括适销性或特定用途适用性的保证, 是针对此处提及的任何产品以及列出的数据或信息制作的, 或者此类产品, 数据或信息的使用不会侵犯第三方的知识产权. 我们保留根据技术进步或进一步发展进行任何更改的权利.

The data in this manual are based on laboratory tests and typical working conditions. For actual application, please refer to the results of small tests. It is recommended to establish a material compatibility database and monitor the dispersion state in real time through surface contact angle (θ<30°) and Zeta potential (ζ>+30mV).