Both POE and EVA are toughening agents, what is the difference between the two?2017.03.16 08:43
Composed of octenes and polyolefin resin, polymer continuous phase and the dispersed phase showed phase separation mixture.
(1)The flexible chain of the diene chain and the crystalline ethylene chain are the physical crosslinking points, which have excellent toughness and good processability;
(2)There is no unsaturated bond in the molecular structure of POE;
(3)The good fluidity can improve the dispersion effect of the filler, and can also improve the strength of the weld mark.
POE has the general properties of thermoplastic elastomers, such as formability, waste recycling and vulcanizate properties.
The price is low, and the relative density is small, thus the volume, the price is inexpensive;
Excellent heat resistance, cold resistance, wide range of use;
Good weather resistance and aging resistance;
Oil resistance, compression resistance, permanent deformation and wear resistance is not good.
Mainly used for the modification of PP, PE and PA toughening in the automotive industry production bumper, steering wheel, plate and so on. Wire and cable industry with high heat resistance and resistance to environmental requirements of high insulation and sheath. Also used in industrial products such as rubber hoses, conveyor belt tape and molded products. Medical equipment, household appliances, stationery, toys, etc..
Widely used in foam material, functional films, packaging mold, hot melt adhesive, wire and cable and toys and other fields.
Characteristics of EVA and PEVA
(1)Biodegradable: it does not damage the environment when it is discarded or burned.
(2)Similar to the PVC price: EVA price is more expensive than the toxic PVC, but relatively free of phthalates two PVC this cheap.
(3)Light weight: EVA density ranged from 0.91 to 0.93, while PVC was $1.32.
(4)No odor: EVA does not contain like ammonia (ammonia) or other organic smell.
(5)Not containing heavy metals: compliance with international toy regulations (EN-71Part3 and ASTM-F963).
(6)Does not contain adjacent benzene two formic acid salt: suitable for children's toys and will not produce plasticizer from danger.
(7)High transparency, softness and toughness: a wide range of applications.
(8)Super resistant to low temperature (-70 DEG C): suitable for icing environment.
(9)Resistant to water, salt and other substances that can maintain a stable application in most of the.
(10)High heat paste: can be firmly affixed to nylon, polyester, canvas and other fabrics.
(11)Low laminating temperature: speed up production.
(12)Can screen printing and offset printing: can be used for multi pattern products (but must be EVA type of ink).
The characteristics of EVA resin with good flexibility, rubber like elasticity, at -50 degrees still can have good flexibility, transparency and good surface gloss, good chemical stability, anti-aging and ozone resistance, good strength, non-toxic. Good mixing with filler, good color and molding processability.