Pembuat Kimia Kualitas Tinggi
Pantas konsultasi nasional:+86 021-64208466
Lokasi saat ini:Rumah > Produk > Aditif Cat > Aditif Lapisan >

hydroxyfunctional polyacrylic dispersion (MT-A-145)

IntroductionHydroxyfunctional polyacrylic dispersion MT-A-145 represents an advanced waterborne

Email: info@standard-groups.com

Konten

Pengantar

Hydroxyfunctional polyacrylic dispersion MT-A-145 represents an advanced waterborne resin technology designed for environmentally friendly coating systems. This colloidal system combines the performance benefits of acrylic polyols with the sustainability advantages of water-based formulations.

1. Fundamental Properties

Table 1: Basic Physical Characteristics

PropertySpecificationTest Method
PenampilanMilky white liquidVisual inspection
Solid content40±1%ISO 3251
Hydroxyl value (mg KOH/g)55±3ASTM D4274
pH value7.5-8.5ISO 976
Viscosity (25°C, mPa·s)100-500Brookfield LV
Particle size (nm)80-120Dynamic light scattering


2. Curing Performance

Table 2: Crosslinking Characteristics

ParameterWith HDI trimerWith IPDI trimerWith Polyaziridine
Pot life (h)6-88-104-6
Dust-free time (min)45-6060-9030-45
Full cure (h)729648
Pendulum hardness (s)120-140140-160100-120
MEK resistance (double rubs)200+200+150+


3. Formulation Guidelines

Table 3: Typical Coating Formulations

ComponentWood Coating (%)Industrial Coating (%)Plastic Coating (%)
MT-A-14560-7050-6040-50
Curing agent8-126-105-8
Wetting agent0.2-0.50.1-0.30.3-0.6
Defoamer0.1-0.30.1-0.30.2-0.4
Thickener0.5-1.00.3-0.80.8-1.2
Water15-2520-3030-40


4. Performance Characteristics

Table 4: Cured Film Properties

PropertyTest MethodTypical Value
Gloss (60°)ASTM D523≥85
Adhesion (cross-cut)ISO 24090-1
Flexibility (conical mandrel)ASTM D522Pass 3.2mm
Impact resistance (direct)ASTM D279450kg·cm
Water resistance (240h)ISO 2812-2No blistering
Weather resistance (QUV-B 500h)ASTM G154ΔE<2.0


Key Features

  • Excellent mechanical-chemical property balance
  • Low VOC content (<50g/L)
  • Good substrate wetting on various materials
  • Stable freeze-thaw resistance (5 cycles)
  • Compatible with most waterborne additives

Recommended Applications

  • Waterborne industrial wood coatings
  • Eco-friendly plastic coatings
  • Low-emission maintenance paints
  • High-performance DIY coatings
  • Agricultural equipment finishes

Processing Considerations

  • Optimal application viscosity: 60-90 sec (DIN4 cup)
  • Recommended curing: 30min@80°C or 7d@25°C
  • Storage stability: 12 months at 5-30°C
  • Film formation temperature: ≥15°C

Penafian: Konten di atas hanya untuk referensi dan komunikasi antara orang dalam industri, dan tidak menjamin akurasi atau kelengkapannya. Menurut hukum dan peraturan yang relevan dan peraturan situs web ini, unit atau individu yang membeli barang terkait harus memperoleh kualifikasi dan kondisi kualifikasi yang valid.


Pesan Online

Informasi Kontak

Telepon Perusahaan

+86-21-6420 0566

Jam kerja

Senin sampai Jumat

Telepon seluler:

13816217984

Email:

info@qinsun-lab.com

Kode QR