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CPE is one of the most important impact modifiers for the universal plastics market. Compared with other impact modifiers like AIM (Acrylic Impact Modifier), MBS and ABS.
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CPE is one of the most important impact modifiers for the universal plastics market. Compared with other impact modifiers like AIM (Acrylic Impact Modifier), MBS and ABS, CPE is more competitive in its comprehensive performances and price. Currently CPE is favored by more and more customers and it is expanding to bigger share of the impact modifier market.
Proper amount of WELLPREN®RESIN added into formulations of PVC, PE or PP plastic products will not only greatly enhance impact resistance but will largely improve low temperature performances, weatherability, welding strength and other performances. WELLPREN®RESIN is most suitable for substitution of Acrylic impact modifier (AIM) or blending with Acrylic impact modifier (AIM) with a certain percentage without adjusting the processing data and the formulation, resulting in an optimum performance /cost solution.
All in all, WELLPREN®RESIN helps fabricators and compounders meet increasing critically performance requirements and cost control needs.
Properties of WELLPREN®RESIN
◎ Superior flexibility and good low temperature impact strength
◎ Compatible with acrylic impact modifier
◎ Superior compatibility with polymers like PVC, PE and ABS
◎ Superior weatherability
◎ Superior Processibility
◎ Excellent corner strength
◎ High surface gloss
◎ Good filler acceptance
◎ Cost effective system
Table 1 Typical physical property of WELLPREN® IM series
Items | IM888 | IM898 | IM878 | IM868 | IM2500 | IM900 | IM500 | IM450 | IM1090 | IM2090 | 8000 |
Appearance | White powder | White powder | White powder | White powder | White powder | White powder | White powder | White powder | White powder | White powder | White powder |
Chlorine content, % | 35 | 35 | 35 | 35 | 25 | 40 | 35 | 32 | 40 | 40 | 30 |
Heat of fusion, J/g | 0.8 | 0.8 | 0.8 | 0.8 | 1.0 | 1.0 | 15 | 15 | 3.0 | 1.5 | 1.0 |
Volatiles, % | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
Sieve remainder, 0.8mm sieve, % | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bulk density, g/cm3 | 0.53 | 0.53 | 0.53 | 0.53 | 0.48 | 0.52 | 0.52 | 0.51 | 0.52 | 0.52 | 0.54 |
Impurity particles, piece/100g | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Thermal stability time, min @165℃ | 10 | 10 | 10 | 10 | 12 | 9 | 10 | 10 | 22 | 22 | 12 |
Hardness, Shore A | 56 | 60 | 55 | 58 | 75 | 59 | 63 | 65 | 60 | 60 | 63 |
Tensile strength, Mpa | 11.5 | 12.0 | 10.5 | 12.0 | 16.0 | 9.0 | 9.0 | 9.5 | 8.0 | 9.0 | 12.0 |
Elongation at break, % | 800 | 800 | 800 | 830 | 700 | 700 | 950 | 900 | 900 | 800 | 800 |
Melting Index (180℃@10kg) | / | / | / | / | / | / | 7 | 7 | 8 | 8 | / |
Remark: the above date should not be regarded as the final supply specification
Table 2 Selection Guide of WELLPREN® CPE IM series
Grade | Characteristics | Application | Comparable grade |
Tyrin | |||
IM888 | High molecular weight, superior mechanical performance, general impact modifier for plastic rigid products and semi-flexible products | PVC door and window profile, siding, sheet, fence, PVC pipe, electrical conduit etc. | T-3615 T-7000 T-6000 |
IM898 | High molecular weight,best impact strength and free flowing,high hardness and slower plasticizing than IM888 | For high impact application, can be loaded in super sack | T-3615 T-7000 T-6000 |
IM878 | Lower molecular weight than IM888, better processibility, suitable for high-speed extrusion | PVC door and window profiles, siding, sheet, fence etc. | T-3615 T-7000 T-6000 |
IM868 | High molecular weight, superior mechanical performance, high absorption capacity to filler, high performance/cost efficiency. | Specially for PVC pipe application, such as PVC pressure pipe, drain pipe and electrical conduit, etc. | T-3615 T-7000 T-6000 |
IM2500 | High molecular weight, lowest chlorine content, high modulus, fast fusion, superior processability, high gloss, most suitable in blends with acrylic impact modifiers, to achieve desirable combination of ductile impact and processing performance. | High quality PVC siding, pipe, window profile or fence profiles. Can replace AIM or mixed with AIM | T-2500 |
IM900 | The highest chlorine content, lowest molecular weight, excellent flame retardance, excellent flowability, excellent resistance to chemicals and oil. | Flame retardant, flexible PVC modification, tapes, coating and foamed products, etc. | T-4211 |
IM500 | Lowest molecular weight, suitable crystallinity, good compatibility with ABS, best rheological property, suitable for production of injection molded products, used as a flame retardant and impact modifier in ABS. | Flame retardant ABS. | T-3611 |
IM450 | Low chlorine content, lowest molecular weight, suitable crystallinity, good compatibility with ABS, best rheological property, highest thermo-stability, the best choice as impact modifier of FR-ABS. | Flame retardant ABS. | T-3245F |
IM1090 | High chlorine content, best transparency and good compatibility with PVC; excellent flowability, polarity and heat resistance | Transparent flexible PVC products | / |
IM2090 | High chlorine content，best transparency, high molecular weight and superior mechanical performance; Excellent heat resistance, polarity and good compatibility with PVC. | Transparent rigid PVC products | / |
8000 | Highest molecular weight, lower chlorine content, higher modulus, excellent mechanical performance, high filler acceptance, good gelation, excellent processiblity, high gloss and excellent surface for end products | High quality window profile application | / |
Above is just part of our grades, if you want to know further information or more grades, please contact info@sundow.com.
Application of WELLPREN®RESIN
1. Impact modifier for rigid and semi-flexible products
WELLPREN®RESIN improves greatly the impact resistance, low temperature performances, weatherability, and welding strength of the final products.
2. Application in Flame Retardant ABS
Addition of certain percentage of WELLPREN®RESIN into flame retardant ABS formulation will not only avoid using of big amount of inorganic flame retardants in the formulation, which causes physical performance lost, but will play positive role in enhancing the flame retardancy of the whole system and substantially improve the impact strength of the end product. (TV set; Computer etc.)
3. Application in soft products
As a good elastomer, WELLPREN®RESIN can be used directly for soft products. The soft products produced have superior weatherability and long service life.
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