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LG Chem LC565 is a general-grade POE prepared with octene comonomer, with core advantages of excellent low temperature resistance (-54℃), good impact resistance and flexibility. Its melt fluidity is suitable for injection molding, and it can effectively improve the low temperature toughness and impact resistance of substrates to meet the general modification and molding needs of multiple fields.
General-grade copolymer system: Prepared with octene comonomer, designed with general formula, suitable for basic modification and molding needs in multiple fields
Excellent low temperature resistance: Glass transition temperature as low as -54℃, stable flexibility and mechanical properties in low temperature environment without embrittlement risk
Good impact resistance and flexibility: Shore A54 low hardness characteristic, excellent impact resistance and good flexibility, which can effectively improve the crack resistance of substrates
Suitable processability: MFR 5.0g/10min, Mooney Viscosity 8MU, good melt fluidity, optimized for injection molding with high molding efficiency
Automotive Field: Modification of automotive interior and exterior parts (bumpers, fenders, interior parts), improving the low temperature impact resistance and flexibility of components to ensure durability under complex working conditions
Wires & Cables: Insulation and sheathing materials for cables, providing excellent low temperature flexibility and insulation, suitable for wiring needs in low temperature environments
Shoe Manufacturing: Core raw material for shoe soles, endowing soles with high elasticity and soft foot feel, improving wearing comfort and sole folding resistance
| Physical Properties | |
| Density | 0.865 g/cm³ |
| Shore A Hardness | 54 (ASTM D2240) |
| Melt Flow & Viscosity | |
| Melt Flow Rate (190°C/2.16kg) | 5.0 g/10 min (ASTM D1238) |
| Mooney Viscosity (ML 1+4@121℃) | 8 MU (ASTM D1646) |
| Mechanical Properties | |
| Tensile Strength at Break | 1.80 MPa (ASTM D638) |
| Elongation at Break | 550 % (ASTM D638) |
| Flexural Modulus (1% Secant) | 8.00 MPa (ASTM D790) |
| Tear Strength | 20.0 kN/m (ASTM D624) |
Q1: What is the primary polymer matrix compatibility of LC565?
A: LC565 is specifically engineered for compatibility with rigid PVC (RPVC) formulations, including unplasticized and lightly plasticized systems. It demonstrates excellent dispersion and interfacial adhesion in RPVC compounds used for profiles, pipes, and sheets.
Q2: How does LC565 improve impact performance without compromising stiffness or thermal stability?
A: LC565 utilizes a core-shell acrylic architecture that enables efficient stress dissipation at low loading levels while maintaining the inherent rigidity of the PVC matrix. Its optimized particle size distribution and surface functionality help preserve heat deflection temperature and tensile modulus during processing and end-use.
Q3: Is LC565 suitable for use in outdoor applications requiring UV resistance?
A: Yes — LC565 incorporates UV-stabilizing components within its shell structure, contributing to enhanced long-term weatherability in PVC products exposed to sunlight. It is commonly selected for exterior building profiles where retention of impact strength after UV aging is critical.
Q4: What is the typical dosage range for LC565 in rigid PVC formulations?
A: LC565 is typically used at low concentrations, generally ranging from 0.1% to 2% by weight relative to the PVC resin, depending on the target impact performance, processing conditions, and presence of other additives such as fillers or lubricants.
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E-mail: wangxingqiang@ericwchem.com
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