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This is a hard, thermoplastic acrylic copolymer designed as a performance additive or primary resin for demanding coating and ink formulations. The combination of MMA (hard monomer) and BMA (softer monomer) yields a specific balance of hardness and flexibility.
Appearance
Powder
Glass transition temperature (Tg)
75°C
Molecular weight (Mw)
40,000g/mol
Inherent viscosity (IV)
0.20
Acid value
10.0 mgKOH/g
Moisture content
≤ 0.5 %
2. Analysis of Physical Properties:
Form (Powder): Ensures easy handling, storage stability, and simplified blending with other powder components.
High Tg (75°C): The high glass transition temperature directly confirms the "hard heat resistance" claim. Films will be hard, rigid, and possess good resistance to blocking and heat distortion.
Moderate Mw (40,000 g/mol): This molecular weight suggests a balance between solution viscosity (for manageable application viscosity) and film properties like durability.
Acid Value (10.0 mgKOH/g): Incorporates a small level of carboxylic acid functionality, which significantly enhances adhesion to polar substrates (like many plastics) and may improve compatibility with other resins.
Low Moisture (≤0.5%): Critical for preventing defects (like blushing or foaming) in coatings and ensuring stability in moisture-sensitive formulations.
3. Decoding the Performance Claims:
Hard, Durable, Heat Resistant: Primarily due to the high Tg and the polymer backbone.
Fast Tack-Free: Results from the hard polymer matrix (high Tg) and likely good solvent release characteristics.
Excellent Adhesion to Plastics: Achieved through the acid functional groups (forming polar interactions) and the balanced solubility/miscibility of the copolymer with plastic surfaces.
Broad Compatibility: Its chemical nature allows it to be dissolved in common solvents and to blend well with other film-formers like nitrocellulose, enabling formulation flexibility.
4. Application Rationale:
Marine & Plastic Coatings: Requires durability, chemical resistance, and adhesion—all met by this resin.
Gravure & Screen Inks: The fast-drying nature, good adhesion to various substrates (including treated plastics), and solvent compatibility are key requirements for these printing processes.
5. Summary & Positioning:
This product is positioned as a versatile performance acrylic resin that provides an optimal blend of:
Hardness and Durability (from high Tg and MMA)
Substrate Adhesion (from acid functionality and monomer selection)
Formulation Flexibility (from powder form and broad compatibility)
It is ideally suited for formulators seeking to enhance hardness, drying speed, and plastic adhesion in high-performance coating and ink systems. Potential limitations might include lower flexibility at low temperatures (due to high Tg) and the need to manage the acid value's effect on water/solvent resistance in certain formulations.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Importer,Exporter,Trading Company
Year Established:
2010
Employee Number:
10~50
Ecer Certification：
Verified Supplier
Established in 2010, Xiamen WangQin Chemical Technology is a professional corporation specializing in researching, developing manufacturer for different resin products. With a staff of 50 people, WangQin has been equipped with advanced manufacturing facilities and a full range of product testing equ... Established in 2010, Xiamen WangQin Chemical Technology is a professional corporation specializing in researching, developing manufacturer for different resin products. With a staff of 50 people, WangQin has been equipped with advanced manufacturing facilities and a full range of product testing equ...
