Harcryl® 1228

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Description

Harcryl® 1228 is a unique, functional acrylic monomer composed of mono and di-phosphate esters of 2-Hydroxyethylmethacrylate. Here's an overview:

Composition: It consists of both mono and di-phosphate esters, allowing easy incorporation into various polymer systems. The polarity of Harcryl® 1228 enables its application in hydrophilic formulations as well.

Inhibition: Inhibited with 400ppm of added hydroquinone.

Functionality: The phosphate functional group promotes adhesion to various surfaces, reducing the need for pretreatments. It improves corrosion resistance, thus reducing the necessity for additional inhibitors. The acrylic backbone facilitates easy incorporation into many coating systems.

Benefits:

Adhesion Promotion: Reduces the need for pretreatments, saving time and reducing coating layers.
Corrosion Resistance: Enhances corrosion resistance, reducing the need for additional inhibitors.
Versatile Incorporation: Easily integrates into various coating systems.

Usage: Harcryl® 1228 should not be used as a straight additive. As a monomer, it should be fed separately or in the monomer pre-mix. It has a shelf life of 1 year from the manufacturing date.

Handling & Storage: Should be stored out of sunlight in stainless steel, lined, or plastic vessels. Listed as a DOT corrosive.

Features:

Suitable for concrete, metals (aluminum, galvanized steel, iron-phosphated steel, zinc-phosphated steel, rolled steel, and stainless steel), and polymers (acrylic, styrene/acrylic, VEOVA/acrylic, and polyurethanes).
Contains a reactive methacrylic group and a phosphate active group.
Promotes adhesion and provides corrosion resistance.

Typical Properties:

Appearance: Yellow Liquid
Activity: 99% min
Moisture: 1% Max
Acid #1 (mgKOH/gm): 5.5 pH 196-206
Acid #2 (mgKOH/gm): 9.5 pH 275-290
pH (1% aqueous): 1.5-2.5

Files

Harcryl-1228-TDS.pdf View

Application

Paints & Coatings

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- Feldspar-group minerals: 87% or more by weight.
Hazards Identification
- Classification:
  - Specific target organ toxicity - repeated exposure, Category 2 (Lungs).
- Hazard Statements:
  - H373: May cause damage to organs (lungs) through prolonged or repeated exposure if inhaled.
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  - P260: Do not breathe dust.
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WALOCEL™ CRT 10000 G Sodium Carboxymethylcellulose is a specific type of sodium carboxymethylcellulose (CMC) produced by The Dow Chemical Company. Here's a detailed overview based on the provided sales specification:
Product Overview:
- Product Name: WALOCEL™ CRT 10000 G
- Chemical Name: Sodium Carboxymethylcellulose
- Specification Number: 000000127502
- Previous Specified Material: 00160302
- Trademark: WALOCEL™ (Trademark of The Dow Chemical Company)
Specifications and Testing Requirements:
1. Active Content (Dry Basis):
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  - Method: CE-55.4
  - Test Frequency: Audit basis
2. Substitution Degree:
  - Range: 0.82 — 0.95
  - Method: CE-28.4
3. Moisture Content (As Packaged):
  - Maximum: 8.0%
  - Method: CE-7.1
4. pH Value (1% Aqueous Solution):
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  - Method: CE-8.1
5. Total Salt Content (Dry Basis):
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  - Method: CE-15.4
  - Test Frequency: Audit basis
6. Viscosity (Brookfield, LVT, SP.3, 30 RPM, 1% Aqueous Solution, Dry Basis, 25°C):
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  - Method: CE-5.15
Product Characteristics:
- Active Content: Indicates the amount of carboxymethylcellulose present in the product.
- Degree of Substitution: Refers to the extent to which the cellulose molecule has been substituted with carboxymethyl groups. This affects the solubility and viscosity.
- Moisture Content: The amount of water present in the product. This can affect the product’s handling and performance.
- pH Value: Measures the acidity or alkalinity of a 1% aqueous solution of the product.
- Total Salt Content: Indicates the amount of salt present, which can influence the viscosity and stability of the product.
- Viscosity: A measure of the product's thickness or resistance to flow in an aqueous solution. This is important for its functionality in various applications.
Usage and Safety:
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Product Overview:
- Product Name: DOWANOL™ DPnP Glycol Ether
- Chemical Formula: C3H7O[CH2(CH)CH3O]2H (Major isomer)
- CAS Number: 29911-27-1
Description:
DOWANOL™ DPnP is characterized by a slower evaporation rate compared to DOWANOL™ PnP glycol ether and is slightly more hydrophobic. It has a mid-range balance between hydrophobic and hydrophilic properties and offers significant water solubility. It is highly effective as a coalescent in coatings, providing excellent film properties and compatibility with hydrophobic materials.
Physical Properties:
- Molecular Weight: 176.2 g/mol
- Boiling Point: 213°C (415°F)
- Flash Point (Setaflash Closed Cup): 88°C (190°F)
- Freezing Point: <-75°C (<-103°F)
- Vapor Pressure at 20°C: 0.08 mmHg (0.11 mbar)
- Specific Gravity (25/25°C): 0.919
- Density:
  - @ 20°C: 0.921 g/cm³ (7.68 lb/gal)
  - @ 25°C: 0.916 g/cm³ (7.65 lb/gal)
- Viscosity at 25°C: 11.4 cP (mPa•s)
- Surface Tension at 25°C: 27.8 dynes/cm (mN/m)
- Specific Heat at 25°C: 1.94 J/g/°C
- Heat of Vaporization at Normal Boiling Point: 265 J/g
- Net Heat of Combustion at 25°C: 29.7 kJ/g
- Autoignition Temperature: 205°C (401°F)
- Evaporation Rate:
  - n-Butyl Acetate = 1.0: 0.014
  - Diethyl Ether = 1.0: 903
- Solubility at 25°C:
  - Solvent in Water: 17.2 g/100 g (15 wt%)
  - Water in Solvent: 22.5 g/100 g (18.5 wt%)
Hansen Solubility Parameters:
- Dispersion (d): 15.0 (J/cm³)^(1/2)
- Polar (p): 3 (J/cm³)^(1/2)
- Hydrogen Bonding (h): 9.6 (J/cm³)^(1/2)
Flammable Limits (Vol.% in Air):
- Lower: 0.68%
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Product Overview:
- Product Name: TEGO® Airex 902 W
- Manufacturer: Evonik Operations GmbH
Description:
TEGO® Airex 902 W is a highly effective and compatible deaerator emulsion based on polyether siloxane technology. It is particularly effective against both micro-foam and macro-foam.
Key Benefits:
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Harcryl® 1228

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Harcryl® 1228

Manufacturer

Main Actions

Description

Files

Categories

Application

Add a review

Leave a Reply · Cancel reply

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