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DOWSIL™ 700P Additive

무기 안료, 특히 티타늄 다이옥시드를 높은 효율로 분산.

사용:

목재 코팅. 보호용 코팅. 산업용 코팅. 자동차 OEM과 보수용 도료. 인쇄잉크. 피그먼트 페이스트.

혜택:

다양한 용매계 페인트와 잉크에서 이산화 티타늄 안료를 위한 고 효율 분산제. 안료 활용도를 높이고 mill 베이스 점도를 줄입니다. 고광택 및 저농도 제공; 고온 고전에서 황변. 색상 일관성 및 색상 일치를 개선하기 위해 안료 침수 및 부유(floating) 감소. 낮은 VOC 및 저취성.

속성

*이 값은 일반적인 속성이며 제품 사양에는 사용되지 않습니다.

물리적 특성

  • 비중 Yes No 0.97
  • 시스템 Yes No Solvent Borne
  • 액티브 컨테츠 Yes No > 90 %
  • 유효 기간 Yes No 540 Days
  • 점도 at 25ºC Yes No 5.5 Centistokes
  • 혜택 Yes No 필러 트리트먼트

Improve dispersion of TiO2 pigments in solvent-based paints, reduce the risk of flooding and floating, and reduce yellowing at high temperatures with an innovative silicone additive from Dow.

If improving the dispersion of titanium dioxide pigments, improving gloss and reducing haze, and improving resistance to yellowing during high-bake or over-bake conditions are important to you, consider DOWSIL™ 700P Additive.

About DOWSIL™ 700P Additive

At very low concentrations, this siloxane-based dispersant effectively disperses inorganic pigments, preventing pigment flooding and floating in solvent-based formulations – particularly TiO2-based whites, grays and pastel shades. It offers good cost-in-use compared to competitive products, and compared to organic dispersants, it is remarkably resistant to yellowing at high temperatures. Plus, it can be added in pigment grind or during let-down for formulating flexibility.

Highly efficient

Effective at a much lower dosage than competitive dispersants, DOWSIL™ 700P Additive also delivers higher gloss and lower haze.

Figure 1. TiO2 dispersion efficiency – gloss/haze in white paint

Graph: TiO2 dispersion efficiency – gloss/haze in white paint

Good storage stability

DOWSIL™ 700P Additive creates stable, non-flocculated TiO2 dispersions, outperforming competitive solutions at a significantly lower dosage. Formulations treated with DOWSIL™ 700P Additive display good gloss and low haze over time; while formulations treated with competitive dispersants lose gloss, and their haze increases.

Figure 2. Stabilization of TiO2 dispersions – gloss/haze before and after storage

Graph: Stabilization of TiO2 dispersions – gloss/haze before and after storage

Resistance to yellowing at high temperatures

When subjected to high temperatures DOWSIL™ 700P Additive resists yellowing, while organic dispersants darken significantly.

Figure 3. Heat resistance of DOWSIL™ 700P Additive vs. organic pigment dispersants – as supplied

Heat resistance of DOWSIL 700P Additive vs organic pigment dispersants

Figure 4. Low-yellowing performance of DOWSIL™ 700P Additive vs. organic pigment dispersants in a high-temperature-curing coating

Low-yellowing performance of DOWSIL 700P Additive vs organic pigment dispersants in a high-temperature-curing coating

Effective prevention of pigment flooding and floating

DOWSIL™ 700P Additive effectively prevents pigment flooding without increasing paint viscosity or reducing gloss.

Figure 5. Pigment flooding vs. viscosity

Graph: Pigment flooding vs viscosity

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DOWSIL™ 700P Additive
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DOWSIL™ 700P Additive
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