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Hard, Durable, Heat Resistant Solid Acrylic Resin For PVC Can Inner Lid Paint

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Hard, Durable, Heat Resistant Solid Acrylic Resin For PVC Can Inner Lid Paint

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Brand Name : WeiLi

Model Number : SA-230

Certification : ISO9001

Place of Origin : China

MOQ : 5000kgs

Price : Negotiate

Payment Terms : T/T

Supply Ability : 500Tons

Delivery Time : 15 working days

Packaging Details : Plastic bag

Glass transition temperature (Tg) : 75°C

Molecular weight (Mw) : 40,000g/mol

Usage : plastic coating, gravure inks

compatibility : kinds solvents and nitrocellulose

Advantage : fast tack-free time

Type : methyl methacrylate and n-butyl methacrylate

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1. Product Identity & Core Concept:
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.

Hard, Durable, Heat Resistant Solid Acrylic Resin For PVC Can Inner Lid Paint


Product Tags:

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durable heat resistant acrylic resin

      

acrylic resin inner lid paint

      
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