Harcryl® 1228 M

1 of 3 products in this brand
Harcryl® 1228 M is a free acid phosphate ester of 2-HEMA (hydroxyethyl methacrylate). It is predominantly composed of the monoalkyl phosphate ester, making it easy to incorporate into a variety of polymer systems. The ratio of mono-alkyl to dialkyl phosphate makes Harcryl® 1228 M more hydrophilic than Harcryl® 1228. In addition, it is inhibited by the addition of 400 ppm hydroquinone.

Chemical Name: 2-Hydroxyethyl methacrylate phosphate

CAS Number: 52628-03-2

Functions: Adhesion Promoter, Coupling Agent, Monomer

Chemical Family: Acrylics & Acrylates, Phosphates

Compatible Polymers & Resins: Acrylics, Polyurethanes (PU), Styrene Acrylics

Synonyms: 2-Hydroxyethyl 2-methyl-2-propenoate phosphated

Technical Data Sheet

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Enhanced TDS

Identification & Functionality

Chemical Family
Acrylics & Acrylates,
Phosphates
Chemical Name
2-Hydroxyethyl methacrylate phosphate
CASE Ingredients Functions
Adhesion Promoter,
Coupling Agent,
Monomer
Technologies
CASE Ingredients
Product Families
CASE Ingredients — Additives
Functional Additives
CASE Ingredients — Monomers & Intermediates
Monomers
Substrates
  • Metals
    • Aluminum, Galvanized Steel, Iron-Phosphated Steel, Zinc-Phosphated Steel, Rolled Steel, and Stainless Steel.
  • Polymers
    • Acrylic, Styrene/Acrylic, VEOVA/Acrylic, and Polyurethanes

Features & Benefits

CASE Ingredients Features
Corrosion Resistance
Key Attributes

Features:

  • Reactive methacrylic group
  • Phosphate active group
  • Promotes adhesion
  • Provides corrosion resistance


Benefits: 

  • The phosphate functional group promotes adhesion to a variety of surfaces, reducing the need for pretreatments.
  • Improved adhesion saves time and reduces layers from the coating process.
  • Improved corrosion resistance due to the phosphate functional group reduces the need for additional inhibitors.
  • The acrylic backbone allows Harcryl® 1228 M to easily incorporate into many coating systems.

Applications & Uses

Compatible Polymers & Resins
Acrylics,
Polyurethanes (PU),
Styrene Acrylics
Compatible Substrates & Surfaces
Concrete,
Metal
Usage Recommendation

Harcryl® 1228 M should not be used as a straight additive. As a monomer, it should be fed separately or in the monomer pre-mix. Do not mix with the initiator solution as hazardous polymerization may occur.

Properties

Physical Form
Liquid
Appearance
Yellow viscous liquid
Typical Properties
ValueUnitsTest Method / Conditions
Activitymin. 99%-
Moisture Contentmax. 1%-
Acid Number 1 (at pH 5.5)312mg KOH/g-
Acid Number 2 (at pH 9.5)580 - 590mg KOH/g-
pH (at 1% Aqueous)1.5 - 2.5--
Flash Pointmin. 93°C-
Specific Gravity (at 25ºC)1.250 - 1.35--

Regulatory & Compliance

Chemical Inventories
AICS (Australia),
DSL (Canada),
ECL (Korea),
EINECS (EU),
ENCS (Japan),
IECSC (China),
NZIoC (New Zealand),
PICCS (Phillipines),
TCSI (Taiwan),
TSCA (USA)

Packaging & Availability

Supplied by
Harcros Chemicals Inc.

Storage & Handling

Shelf Life
1 Year
Storage, Stability and Handling Information

Harcryl® 1228 M should be stored out of sunlight in stainless steel, lined, or plastic vessels. This product is listed as a DOT corrosive.